/* ============================================================
   ROOT VARIABLES & RESET
   ============================================================ */
:root {
  --bg-dark:       #050a12;
  --bg-alt:        #070d18;
  --surface:       rgba(10, 20, 38, 0.75);
  --surface-solid: #0a1426;
  --cyan:          #00e5ff;
  --cyan-dim:      #00b8cc;
  --blue:          #1e6fff;
  --purple:        #7b5ef8;
  --gold:          #f0b429;
  --text-primary:  #e8f4ff;
  --text-secondary:#8ba0bb;
  --border:        rgba(0, 229, 255, 0.15);
  --border-hover:  rgba(0, 229, 255, 0.5);
  --glow-cyan:     0 0 20px rgba(0, 229, 255, 0.35), 0 0 60px rgba(0, 229, 255, 0.12);
  --glow-blue:     0 0 20px rgba(30, 111, 255, 0.4), 0 0 60px rgba(30, 111, 255, 0.12);
  --glow-gold:     0 0 20px rgba(240, 180, 41, 0.4);
  --font-display:  'Orbitron', sans-serif;
  --font-body:     'Syne', sans-serif;
  --radius:        12px;
  --radius-lg:     20px;
  --transition:    all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  margin: 0; padding: 0; box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

::selection { background: rgba(0,229,255,0.25); color: #fff; }

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--cyan-dim); border-radius: 3px; }

/* ============================================================
   UTILITY
   ============================================================ */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.glow-text {
  color: var(--cyan);
  text-shadow: 0 0 18px rgba(0,229,255,0.6), 0 0 40px rgba(0,229,255,0.3);
}

/* ============================================================
   NAV
   ============================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: transparent;
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(5, 10, 18, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 2px;
}
.nav-logo .dot { color: var(--cyan); }

.nav-links {
  display: flex;
  gap: 6px;
}

.nav-links a {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: 6px;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 70%; height: 1.5px;
  background: var(--cyan);
  border-radius: 1px;
  transition: transform 0.3s ease;
}

.nav-links a:hover { color: var(--cyan); }
.nav-links a:hover::after { transform: translateX(-50%) scaleX(1); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--cyan);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 100px 24px 60px;
}

#particleCanvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* Animated grid overlay */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 80%);
  z-index: 0;
  animation: gridPulse 6s ease-in-out infinite alternate;
}

@keyframes gridPulse {
  from { opacity: 0.5; }
  to   { opacity: 1; }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--border-hover);
  border-radius: 50px;
  padding: 6px 18px;
  margin-bottom: 24px;
  background: rgba(0,229,255,0.06);
  animation: badgePulse 3s ease-in-out infinite;
}

@keyframes badgePulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(0,229,255,0.3); }
  50%      { box-shadow: 0 0 0 6px rgba(0,229,255,0); }
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -1px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.hero-university {
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.typing-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: 'Courier New', monospace;
  font-size: clamp(1rem, 3vw, 1.3rem);
  color: var(--cyan);
  background: rgba(0,229,255,0.06);
  border: 1px solid rgba(0,229,255,0.18);
  border-radius: 8px;
  padding: 10px 20px;
  margin-bottom: 28px;
}

.typing-prefix { color: var(--purple); opacity: 0.8; }

.cursor {
  color: var(--cyan);
  animation: blink 0.9s step-end infinite;
  font-weight: 300;
}

@keyframes blink {
  0%,100% { opacity: 1; }
  50%      { opacity: 0; }
}

.hero-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.scroll-dot {
  width: 6px; height: 28px;
  border: 2px solid rgba(0,229,255,0.4);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}
.scroll-dot::after {
  content: '';
  width: 2px; height: 8px;
  background: var(--cyan);
  border-radius: 2px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 3px;
  animation: scrollAnim 1.8s ease infinite;
}
@keyframes scrollAnim {
  0%   { top: 3px; opacity: 1; }
  100% { top: 18px; opacity: 0; }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 13px 26px;
  border-radius: 8px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--cyan);
  color: var(--bg-dark);
  border-color: var(--cyan);
}
.btn-primary:hover {
  background: transparent;
  color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.btn-secondary {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}
.btn-secondary:hover {
  background: var(--blue);
  color: #fff;
  box-shadow: var(--glow-blue);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: rgba(255,255,255,0.15);
}
.btn-ghost:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   SECTION BASE
   ============================================================ */
.section {
  padding: 100px 0;
}
.section-alt {
  background: var(--bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: block;
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 3px;
  margin-bottom: 12px;
  opacity: 0.7;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.5px;
}

.section-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  border-radius: 2px;
  margin: 18px auto 0;
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  opacity: 0;
  animation: fadeInUp 1s ease 0.2s forwards;
}
@keyframes fadeInUp {
  to { opacity: 1; transform: translateY(0); }
  from { opacity: 0; transform: translateY(40px); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: start;
}

.about-avatar-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 40px 24px;
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.avatar-ring {
  position: relative;
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-inner {
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  box-shadow: 0 0 30px rgba(30,111,255,0.4);
}

.avatar-initials {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
}

.ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid rgba(0,229,255,0.25);
  animation: rotateRing linear infinite;
}
.ring-1 { width: 120px; height: 120px; animation-duration: 8s; border-top-color: var(--cyan); }
.ring-2 { width: 140px; height: 140px; animation-duration: 12s; animation-direction: reverse; border-right-color: var(--purple); }
.ring-3 { width: 160px; height: 160px; animation-duration: 16s; border-bottom-color: var(--blue); opacity: 0.4; }

@keyframes rotateRing {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  padding: 8px 16px;
  background: rgba(0,229,255,0.06);
  border: 1px solid var(--border);
  border-radius: 50px;
}

.status-dot {
  width: 8px; height: 8px;
  background: #00e676;
  border-radius: 50%;
  box-shadow: 0 0 8px #00e676;
  animation: statusPulse 2s ease infinite;
}
@keyframes statusPulse {
  0%,100% { transform: scale(1); }
  50%      { transform: scale(1.4); }
}

.about-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.info-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 22px;
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.info-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow-cyan);
  transform: translateY(-3px);
}

.info-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: linear-gradient(135deg, rgba(0,229,255,0.15), rgba(30,111,255,0.15));
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  font-size: 1.1rem;
}

.info-card h3 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}
.info-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ============================================================
   EDUCATION TIMELINE
   ============================================================ */
.timeline {
  position: relative;
  max-width: 750px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 13px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--blue), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

.timeline-dot {
  position: absolute;
  left: -34px;
  top: 22px;
  width: 14px; height: 14px;
  background: var(--surface-solid);
  border: 2px solid var(--cyan-dim);
  border-radius: 50%;
  transition: var(--transition);
}

.timeline-dot-active {
  border-color: var(--cyan);
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(0,229,255,0.7);
}

.timeline-dot-gold {
  border-color: var(--gold);
  background: var(--gold);
  box-shadow: var(--glow-gold);
}

.timeline-card {
  padding: 24px 28px;
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.timeline-card:hover {
  border-color: var(--border-hover);
  transform: translateX(6px);
  box-shadow: var(--glow-cyan);
}

.timeline-card-active {
  border-color: rgba(0,229,255,0.35);
  background: rgba(0,229,255,0.05);
}

.timeline-card-gold {
  border-color: rgba(240,180,41,0.3);
  background: rgba(240,180,41,0.04);
}

.timeline-card-gold:hover {
  border-color: rgba(240,180,41,0.6);
  box-shadow: var(--glow-gold);
}

.timeline-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(0,229,255,0.1);
  border: 1px solid rgba(0,229,255,0.2);
  border-radius: 4px;
  padding: 4px 10px;
  margin-bottom: 12px;
}
.badge-active { color: var(--cyan); background: rgba(0,229,255,0.12); }
.badge-gold { color: var(--gold); background: rgba(240,180,41,0.1); border-color: rgba(240,180,41,0.25); }

.timeline-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.timeline-sub {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.score-pill {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50px;
  padding: 5px 14px;
}
.score-pill strong { color: var(--text-primary); }

/* ============================================================
   SKILLS
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 22px;
}

.skill-card {
  padding: 28px 24px;
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
  cursor: default;
}

.skill-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--glow-cyan);
}

.skill-icon-wrap {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, rgba(0,229,255,0.12), rgba(30,111,255,0.12));
  border: 1px solid var(--border);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  transition: var(--transition);
}

.skill-card:hover .skill-icon-wrap {
  background: linear-gradient(135deg, rgba(0,229,255,0.22), rgba(30,111,255,0.22));
  border-color: var(--border-hover);
}

.skill-icon { font-size: 1.8rem; color: var(--cyan); }

.skill-card h3 {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: 1px;
}

.skill-card p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 18px;
}

.skill-bar {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.07);
  border-radius: 2px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(0,229,255,0.5);
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   PROJECTS — Card grid
   ============================================================ */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

/* Individual project card */
.proj-card {
  position: relative;
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px 28px;
  cursor: pointer;
  transition: var(--transition);
  overflow: hidden;
}

.proj-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,229,255,0.04), rgba(30,111,255,0.04));
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: var(--radius-lg);
}

.proj-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--glow-cyan);
}
.proj-card:hover::before { opacity: 1; }

.proj-card-inner { position: relative; z-index: 1; }

.proj-icon-wrap {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(0,229,255,0.12), rgba(30,111,255,0.12));
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--cyan);
  margin-bottom: 18px;
  transition: var(--transition);
}
.proj-card:hover .proj-icon-wrap {
  background: linear-gradient(135deg, rgba(0,229,255,0.22), rgba(30,111,255,0.22));
  box-shadow: 0 0 16px rgba(0,229,255,0.25);
}

.proj-lang-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(0,229,255,0.08);
  border: 1px solid rgba(0,229,255,0.2);
  border-radius: 4px;
  padding: 3px 10px;
  margin-bottom: 12px;
}

.proj-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: 0.3px;
  line-height: 1.4;
}

.proj-short {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.proj-footer {
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.proj-click-hint {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  color: var(--cyan);
  transition: var(--transition);
}
.proj-card:hover .proj-click-hint { gap: 10px; }

/* ============================================================
   PROJECT MODAL
   ============================================================ */
.proj-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.proj-modal.open {
  opacity: 1;
  pointer-events: all;
}

/* Dark overlay */
.proj-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(3, 7, 14, 0.88);
  backdrop-filter: blur(6px);
  cursor: pointer;
}

/* Modal box */
.proj-modal-box {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 760px;
  max-height: 88vh;
  overflow-y: auto;
  background: var(--bg-alt);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--glow-cyan), 0 24px 80px rgba(0,0,0,0.6);
  transform: translateY(24px) scale(0.97);
  transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
  scrollbar-width: thin;
  scrollbar-color: var(--cyan-dim) transparent;
}

.proj-modal.open .proj-modal-box {
  transform: translateY(0) scale(1);
}

/* Close button */
.proj-modal-close {
  position: absolute;
  top: 18px; right: 18px;
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.proj-modal-close:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(0,229,255,0.08);
}

/* Modal header */
.proj-modal-header {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 20px;
}

.proj-modal-icon {
  width: 56px; min-width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(0,229,255,0.12), rgba(30,111,255,0.12));
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--cyan);
}

.proj-modal-header h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 8px;
  letter-spacing: 0.5px;
  line-height: 1.3;
}

/* Description */
.proj-modal-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

/* Three-column info section */
.proj-modal-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.proj-modal-col {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.proj-modal-col h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}

.proj-modal-col ul {
  list-style: none;
  padding: 0; margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.proj-modal-col ul li {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding-left: 14px;
  position: relative;
}
.proj-modal-col ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}

/* Actions row */
.proj-modal-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ── Responsive modal ── */
@media (max-width: 700px) {
  .proj-modal-box { padding: 24px 18px; }
  .proj-modal-cols { grid-template-columns: 1fr; }
  .proj-modal-header { flex-direction: column; gap: 12px; }
}

/* Corner brackets */
.corner {
  position: absolute;
  width: 20px; height: 20px;
  border-color: var(--cyan);
  border-style: solid;
  opacity: 0.5;
}
.corner.tl { top: 12px; left: 12px; border-width: 2px 0 0 2px; }
.corner.tr { top: 12px; right: 12px; border-width: 2px 2px 0 0; }
.corner.bl { bottom: 12px; left: 12px; border-width: 0 0 2px 2px; }
.corner.br { bottom: 12px; right: 12px; border-width: 0 2px 2px 0; }

/* ============================================================
   EXPERIENCE
   ============================================================ */
.exp-card {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 36px;
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 820px;
  margin: 0 auto;
  transition: var(--transition);
}

.exp-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow-cyan);
}

.exp-icon {
  width: 56px; min-width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(0,229,255,0.12), rgba(30,111,255,0.12));
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--cyan);
}

.exp-content h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.exp-tag {
  display: inline-block;
  font-size: 0.72rem;
  color: var(--cyan);
  letter-spacing: 1.5px;
  margin-bottom: 16px;
  opacity: 0.75;
}

.exp-content p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.exp-tags span {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  color: var(--cyan);
  background: rgba(0,229,255,0.07);
  border: 1px solid rgba(0,229,255,0.2);
  border-radius: 4px;
  padding: 4px 12px;
}

/* ── Experience: Placeholder card ── */
.exp-placeholder {
  position: relative;
  max-width: 480px;
  margin: 0 auto;
  padding: 60px 40px;
  text-align: center;
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.exp-placeholder:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow-cyan);
}

.exp-placeholder-icon {
  width: 80px; height: 80px;
  background: linear-gradient(135deg, rgba(0,229,255,0.1), rgba(30,111,255,0.12));
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 2rem;
  color: var(--cyan);
  animation: placeholderPulse 3s ease-in-out infinite;
}

.exp-placeholder h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.exp-placeholder p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 24px;
}

/* ── Experience: Card grid ── */
.exp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

/* When only the placeholder is present, keep it centered */
.exp-grid:has(.exp-placeholder:only-child) {
  grid-template-columns: 1fr;
}

/* Experience clickable card (modal trigger) */
.exp-modal-card {
  position: relative;
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px 28px;
  cursor: pointer;
  transition: var(--transition);
  overflow: hidden;
}

.exp-modal-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,229,255,0.04), rgba(30,111,255,0.04));
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: var(--radius-lg);
}

.exp-modal-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--glow-cyan);
}
.exp-modal-card:hover::before { opacity: 1; }

.exp-card-inner { position: relative; z-index: 1; display: flex; gap: 20px; align-items: flex-start; }

.exp-card-icon {
  width: 52px; min-width: 52px; height: 52px;
  background: linear-gradient(135deg, rgba(0,229,255,0.12), rgba(30,111,255,0.12));
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--cyan);
  transition: var(--transition);
}
.exp-modal-card:hover .exp-card-icon {
  background: linear-gradient(135deg, rgba(0,229,255,0.22), rgba(30,111,255,0.22));
  box-shadow: 0 0 16px rgba(0,229,255,0.25);
}

.exp-card-meta { flex: 1; }

.exp-type-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(0,229,255,0.08);
  border: 1px solid rgba(0,229,255,0.2);
  border-radius: 4px;
  padding: 3px 10px;
  margin-bottom: 10px;
}

.exp-card-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
  line-height: 1.4;
}

.exp-card-short {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 18px;
}

.exp-card-footer {
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.exp-click-hint {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  color: var(--cyan);
  transition: var(--transition);
}
.exp-modal-card:hover .exp-click-hint { gap: 10px; }

/* ── Experience Modal (reuses proj-modal styles, separate class for specificity) ── */
.exp-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.exp-modal.open {
  opacity: 1;
  pointer-events: all;
}

.exp-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(3, 7, 14, 0.88);
  backdrop-filter: blur(6px);
  cursor: pointer;
}

.exp-modal-box {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 700px;
  max-height: 88vh;
  overflow-y: auto;
  background: var(--bg-alt);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--glow-cyan), 0 24px 80px rgba(0,0,0,0.6);
  transform: translateY(24px) scale(0.97);
  transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
  scrollbar-width: thin;
  scrollbar-color: var(--cyan-dim) transparent;
}

.exp-modal.open .exp-modal-box { transform: translateY(0) scale(1); }

.exp-modal-close {
  position: absolute;
  top: 18px; right: 18px;
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.exp-modal-close:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(0,229,255,0.08);
}

.exp-modal-header {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 20px;
}

.exp-modal-icon {
  width: 56px; min-width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(0,229,255,0.12), rgba(30,111,255,0.12));
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--cyan);
}

.exp-modal-header h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 8px;
  letter-spacing: 0.5px;
  line-height: 1.3;
}

.exp-modal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.exp-modal-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.exp-modal-meta-item i { color: var(--cyan); font-size: 0.78rem; }

.exp-modal-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.exp-modal-skills {
  margin-bottom: 28px;
}

.exp-modal-skills h4 {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}

.exp-skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.exp-skill-tags span {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  color: var(--cyan);
  background: rgba(0,229,255,0.07);
  border: 1px solid rgba(0,229,255,0.2);
  border-radius: 4px;
  padding: 5px 13px;
}

.exp-modal-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

@media (max-width: 700px) {
  .exp-modal-box { padding: 24px 18px; }
  .exp-modal-header { flex-direction: column; gap: 12px; }
  .exp-card-inner { flex-direction: column; gap: 14px; }
}

/* ============================================================
   CERTIFICATES — Modal-card grid system
   ============================================================ */
.certs-modal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

/* When only the placeholder is present, keep it centered */
.certs-modal-grid:has(.cert-placeholder:only-child) {
  grid-template-columns: 1fr;
}

/* Certificate clickable card (modal trigger) */
.cert-modal-card {
  position: relative;
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0;
  cursor: pointer;
  transition: var(--transition);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.cert-modal-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,229,255,0.04), rgba(123,94,248,0.04));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.cert-modal-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--glow-cyan);
}
.cert-modal-card:hover::before { opacity: 1; }

.cert-card-ribbon {
  padding: 18px 24px;
  background: linear-gradient(135deg, rgba(0,229,255,0.08), rgba(123,94,248,0.08));
  border-bottom: 1px solid var(--border);
  font-size: 1.6rem;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 12px;
}

.cert-card-ribbon .cert-issuer-name {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.cert-card-body {
  padding: 20px 24px;
  flex: 1;
  position: relative;
  z-index: 1;
}

.cert-card-body h4 {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  line-height: 1.4;
}

.cert-card-date {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
}
.cert-card-date i { color: var(--cyan); font-size: 0.72rem; }

.cert-card-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 4px;
}

.cert-card-skills span {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--cyan);
  background: rgba(0,229,255,0.07);
  border: 1px solid rgba(0,229,255,0.18);
  border-radius: 4px;
  padding: 3px 9px;
}

.cert-card-footer {
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cert-click-hint {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  color: var(--cyan);
  transition: var(--transition);
}
.cert-modal-card:hover .cert-click-hint { gap: 10px; }

/* ── Certificate Placeholder card ── */
.cert-placeholder {
  position: relative;
  max-width: 480px;
  margin: 0 auto;
  padding: 60px 40px;
  text-align: center;
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.cert-placeholder:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow-cyan);
}

.cert-placeholder-icon {
  width: 80px; height: 80px;
  background: linear-gradient(135deg, rgba(0,229,255,0.1), rgba(123,94,248,0.12));
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 2rem;
  color: var(--cyan);
  animation: placeholderPulse 3s ease-in-out infinite;
}

.cert-placeholder h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.cert-placeholder p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 24px;
}

/* ── Certificate Modal ── */
.cert-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.cert-modal.open {
  opacity: 1;
  pointer-events: all;
}

.cert-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(3, 7, 14, 0.88);
  backdrop-filter: blur(6px);
  cursor: pointer;
}

.cert-modal-box {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 680px;
  max-height: 88vh;
  overflow-y: auto;
  background: var(--bg-alt);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--glow-cyan), 0 24px 80px rgba(0,0,0,0.6);
  transform: translateY(24px) scale(0.97);
  transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
  scrollbar-width: thin;
  scrollbar-color: var(--cyan-dim) transparent;
}

.cert-modal.open .cert-modal-box { transform: translateY(0) scale(1); }

.cert-modal-close {
  position: absolute;
  top: 18px; right: 18px;
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.cert-modal-close:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(0,229,255,0.08);
}

.cert-modal-header {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.cert-modal-icon {
  width: 56px; min-width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(0,229,255,0.12), rgba(123,94,248,0.12));
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--cyan);
}

.cert-modal-header h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 4px;
  letter-spacing: 0.5px;
  line-height: 1.3;
  margin-bottom: 8px;
}

.cert-modal-info-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 4px;
}

.cert-modal-info-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.cert-modal-info-item i { color: var(--cyan); font-size: 0.76rem; }

.cert-modal-section {
  margin-bottom: 22px;
}

.cert-modal-section h4 {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.cert-modal-section p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.cert-modal-skills-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cert-modal-skills-wrap span {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  color: var(--cyan);
  background: rgba(0,229,255,0.07);
  border: 1px solid rgba(0,229,255,0.2);
  border-radius: 4px;
  padding: 5px 13px;
}

.cert-modal-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* Badge button — purple accent */
.btn-badge {
  background: transparent;
  color: var(--purple);
  border-color: var(--purple);
}
.btn-badge:hover {
  background: var(--purple);
  color: #fff;
  box-shadow: 0 0 20px rgba(123,94,248,0.4);
}

@media (max-width: 700px) {
  .cert-modal-box { padding: 24px 18px; }
  .cert-modal-header { flex-direction: column; gap: 12px; }
}

/* ============================================================
   CONTACT — Google Form embed
   ============================================================ */

/* Outer centering wrapper */
/* ============================================================
   CONTACT FORM — Native Netlify Form
   All colours come from CSS variables — no hardcoded values.
   Three theme variants are at the bottom of this block.
   ============================================================ */

/* ── Outer wrapper: centres the card ── */
.contact-outer {
  display: flex;
  justify-content: center;
  padding: 0 16px;
}

/* ── Card shell — matches Projects / Certificates glass style ── */
.contact-card {
  position: relative;         /* anchor corner brackets */
  width: 100%;
  max-width: 700px;
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 44px;
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow-cyan);
}

/* ── Form: column layout with consistent gap ── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* ── Each label + input pair ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ── Label ── */
.form-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--cyan);
  opacity: 0.9;
  user-select: none;
}

/* ── Input and Textarea base styles ── */
.form-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 13px 17px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-primary);
  outline: none;
  transition: var(--transition);
  box-sizing: border-box;
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.55;
}

.form-input:hover {
  border-color: var(--border-hover);
}

.form-input:focus {
  border-color: var(--cyan);
  background: rgba(255, 255, 255, 0.055);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.1);
}

/* Textarea-specific */
.form-textarea {
  resize: vertical;
  min-height: 140px;
  max-height: 320px;
}

/* ── Submit button ─────────────────────────────────────────────
   Inherits all of .btn and .btn-primary from the existing system.
   .btn-full makes it span full width.
   .form-submit adds a touch of extra height + letter-spacing.
──────────────────────────────────────────────────────────── */
.form-submit {
  margin-top: 6px;
  padding: 15px 24px;
  font-size: 0.85rem;
  letter-spacing: 1.2px;
  gap: 10px;
}

/* ── Success state ─────────────────────────────────────────────
   Hidden by default. The inline script in index.html sets
   display:flex when ?success=true is found in the URL.
──────────────────────────────────────────────────────────── */
.form-success {
  display: none;              /* shown by JS after Netlify redirect */
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 52px 24px;
  gap: 18px;
}

.form-success-icon {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: rgba(0, 229, 255, 0.07);
  border: 2px solid var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: var(--cyan);
  box-shadow: var(--glow-cyan);
  animation: successPop 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes successPop {
  from { transform: scale(0.4); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}

.form-success h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.form-success p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin: 0;
}

/* ── Mobile ── */
@media (max-width: 700px) {
  .contact-card {
    padding: 32px 18px;
    border-radius: var(--radius);
  }
  .form-input {
    font-size: 0.85rem;
    padding: 11px 14px;
  }
  .form-label {
    font-size: 0.65rem;
  }
}

/* ── Theme: Dev Console ─────────────────────────────────────────
   All overrides use only variables defined by [data-theme="console"]
   or explicit #hex values already used elsewhere in that theme block.
──────────────────────────────────────────────────────────── */
[data-theme="console"] .contact-card {
  background: #252526;
  border: 1px solid rgba(78, 201, 176, 0.15);
  border-left: 3px solid #569cd6;
  border-radius: 6px;
  backdrop-filter: none;
}

[data-theme="console"] .contact-card:hover {
  border-left-color: #4ec9b0;
  box-shadow: -4px 0 14px rgba(78, 201, 176, 0.14), 0 4px 20px rgba(0, 0, 0, 0.3);
}

[data-theme="console"] .form-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.4px;
  text-transform: none;
  color: #6a9955;
  opacity: 1;
}
[data-theme="console"] .form-label::before {
  content: '// ';
  opacity: 0.65;
}

[data-theme="console"] .form-input {
  background: rgba(0, 0, 0, 0.28);
  border-color: rgba(78, 201, 176, 0.18);
  border-radius: 4px;
  color: #d4d4d4;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
}
[data-theme="console"] .form-input::placeholder { color: #4a4a4a; opacity: 1; }
[data-theme="console"] .form-input:hover  { border-color: rgba(78, 201, 176, 0.38); }
[data-theme="console"] .form-input:focus  {
  border-color: #4ec9b0;
  background: rgba(0, 0, 0, 0.38);
  box-shadow: 0 0 0 3px rgba(78, 201, 176, 0.1);
}

[data-theme="console"] .form-success-icon {
  background: rgba(78, 201, 176, 0.08);
  border-color: #4ec9b0;
  color: #4ec9b0;
  box-shadow: 0 0 18px rgba(78, 201, 176, 0.22);
}
[data-theme="console"] .form-success h3  { color: #d4d4d4; }
[data-theme="console"] .form-success p   { color: #858585; }

/* ── Theme: Clean Engineer ──────────────────────────────────────
   Light theme — white card, blue/purple palette, Inter font.
──────────────────────────────────────────────────────────── */
[data-theme="clean"] .contact-card {
  background: #ffffff;
  border: 1px solid rgba(37, 99, 235, 0.1);
  box-shadow: 0 1px 4px rgba(37, 99, 235, 0.06), 0 4px 20px rgba(37, 99, 235, 0.04);
  backdrop-filter: none;
}

[data-theme="clean"] .contact-card:hover {
  border-color: rgba(37, 99, 235, 0.26);
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.13);
}

[data-theme="clean"] .form-label {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 1.2px;
  color: #2563eb;
  opacity: 1;
}

[data-theme="clean"] .form-input {
  background: #f8f9fc;
  border-color: rgba(37, 99, 235, 0.14);
  border-radius: 10px;
  color: #0f172a;
  font-family: 'Inter', sans-serif;
}
[data-theme="clean"] .form-input::placeholder { color: #94a3b8; opacity: 1; }
[data-theme="clean"] .form-input:hover  { border-color: rgba(37, 99, 235, 0.3); }
[data-theme="clean"] .form-input:focus  {
  border-color: #2563eb;
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

[data-theme="clean"] .form-success-icon {
  background: rgba(37, 99, 235, 0.07);
  border-color: #2563eb;
  color: #2563eb;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.2);
}
[data-theme="clean"] .form-success h3  { color: #0f172a; }
[data-theme="clean"] .form-success p   { color: #64748b; }

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.footer-socials {
  display: flex;
  gap: 14px;
}

.social-btn {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: var(--transition);
}

.social-btn:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
  transform: translateY(-3px);
}

.footer-tagline {
  font-size: 0.75rem;
  color: var(--text-secondary);
  opacity: 0.6;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-info { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    height: 100vh;
    width: 260px;
    background: rgba(5,10,18,0.97);
    backdrop-filter: blur(24px);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 24px 40px;
    border-left: 1px solid var(--border);
    transition: right 0.35s ease;
    gap: 4px;
  }
  .nav-links.open { right: 0; }
  .nav-links a { font-size: 0.9rem; }
  .hamburger { display: flex; }

  .hero-buttons .btn { font-size: 0.68rem; padding: 11px 18px; }

  .exp-card { flex-direction: column; gap: 18px; }

  .timeline { padding-left: 28px; }
  .timeline::before { left: 9px; }
  .timeline-dot { left: -26px; }
}

@media (max-width: 480px) {
  .section { padding: 72px 0; }
  .about-avatar-card { padding: 28px 16px; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .certs-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   THEME SWITCHER UI
   ============================================================ */
.theme-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 4px 6px;
  transition: var(--transition);
}

.theme-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 28px;
  border: none;
  background: transparent;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.25s ease;
  padding: 0;
}

.theme-icon {
  font-family: 'Courier New', monospace;
  font-size: 0.66rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: -0.5px;
  line-height: 1;
  transition: color 0.25s ease;
  user-select: none;
}

.theme-btn:hover .theme-icon { color: var(--text-primary); }

.theme-btn.active {
  background: var(--cyan);
}
.theme-btn.active .theme-icon {
  color: var(--bg-dark);
}

/* Smooth colour transitions during theme switch */
body.theme-transitioning,
body.theme-transitioning * {
  transition:
    background-color 0.35s ease,
    color            0.35s ease,
    border-color     0.35s ease,
    box-shadow       0.35s ease !important;
}

/* ============================================================
   THEME 2 — DEV CONSOLE
   VS Code Dark+ inspired editor aesthetic
   ============================================================ */
[data-theme="console"] {
  --bg-dark:       #1e1e1e;
  --bg-alt:        #252526;
  --surface:       rgba(37,37,38,0.92);
  --surface-solid: #2d2d30;
  --cyan:          #4ec9b0;
  --cyan-dim:      #3ba892;
  --blue:          #569cd6;
  --purple:        #c586c0;
  --gold:          #dcdcaa;
  --text-primary:  #d4d4d4;
  --text-secondary:#858585;
  --border:        rgba(78,201,176,0.18);
  --border-hover:  rgba(78,201,176,0.55);
  --glow-cyan:     0 0 12px rgba(78,201,176,0.22), 0 0 40px rgba(78,201,176,0.07);
  --glow-blue:     0 0 12px rgba(86,156,214,0.25);
  --glow-gold:     0 0 12px rgba(220,220,170,0.3);
  --font-display:  'JetBrains Mono','Courier New',monospace;
  --font-body:     'JetBrains Mono','Courier New',monospace;
  --radius:        6px;
  --radius-lg:     8px;
}

[data-theme="console"] body { background:#1e1e1e; color:#d4d4d4; }
[data-theme="console"] .section-alt { background:#252526; }

[data-theme="console"] #navbar.scrolled {
  background: rgba(30,30,30,0.97);
  border-bottom: 1px solid rgba(78,201,176,0.18);
}
[data-theme="console"] .nav-logo {
  font-family:'JetBrains Mono',monospace; font-size:0.85rem; letter-spacing:1px;
}
[data-theme="console"] .nav-logo .glow-text::before { content:'// '; color:#6a9955; font-weight:400; }
[data-theme="console"] .nav-links a {
  font-family:'JetBrains Mono',monospace; font-size:0.72rem; text-transform:none;
}
[data-theme="console"] .nav-links a::before { content:'.'; color:#dcdcaa; margin-right:1px; }
[data-theme="console"] .hamburger span { background:#4ec9b0; }

[data-theme="console"] .glow-text { color:#9cdcfe; text-shadow:0 0 12px rgba(156,220,254,0.35); }

[data-theme="console"] .hero-badge {
  background:rgba(78,201,176,0.08); border-color:rgba(78,201,176,0.3);
  color:#6a9955; font-family:'JetBrains Mono',monospace; font-size:0.7rem;
}
[data-theme="console"] .hero-badge::before { content:'/* '; color:#6a9955; }
[data-theme="console"] .hero-badge::after  { content:' */'; color:#6a9955; }
[data-theme="console"] .hero-name { font-family:'JetBrains Mono',monospace; }
[data-theme="console"] .hero-university { color:#6a9955; font-family:'JetBrains Mono',monospace; font-size:0.78rem; }
[data-theme="console"] .hero-university::before { content:'// university: '; color:#569cd6; }
[data-theme="console"] .typing-wrapper {
  background:rgba(0,0,0,0.4); border:1px solid rgba(78,201,176,0.2); border-radius:4px;
  font-family:'JetBrains Mono',monospace;
}
[data-theme="console"] .typing-prefix { color:#4ec9b0; opacity:1; }
[data-theme="console"] .hero-desc { font-family:'JetBrains Mono',monospace; font-size:0.83rem; color:#858585; line-height:1.9; }
[data-theme="console"] .hero-desc::before { display:block; content:'/**'; color:#6a9955; margin-bottom:2px; }
[data-theme="console"] .hero-desc::after  { display:block; content:' */'; color:#6a9955; margin-top:2px; }

[data-theme="console"] .section-tag  { font-family:'JetBrains Mono',monospace; color:#6a9955; font-size:0.72rem; }
[data-theme="console"] .section-title {
  font-family:'JetBrains Mono',monospace; font-size:clamp(1.4rem,4vw,2rem); font-weight:700;
}
[data-theme="console"] .section-title::before { content:'function '; color:#569cd6; font-weight:400; font-size:0.85em; }
[data-theme="console"] .section-title::after  { content:'()'; color:#dcdcaa; font-size:0.85em; }
[data-theme="console"] .section-line { background:linear-gradient(90deg,#4ec9b0,#569cd6); }

[data-theme="console"] .info-card,
[data-theme="console"] .timeline-card,
[data-theme="console"] .skill-card,
[data-theme="console"] .proj-card,
[data-theme="console"] .exp-modal-card,
[data-theme="console"] .cert-modal-card,
[data-theme="console"] .exp-placeholder,
[data-theme="console"] .cert-placeholder {
  background:#252526; border:1px solid rgba(78,201,176,0.15);
  border-radius:6px; border-left:3px solid #569cd6;
}
[data-theme="console"] .info-card:hover,
[data-theme="console"] .timeline-card:hover,
[data-theme="console"] .skill-card:hover,
[data-theme="console"] .proj-card:hover,
[data-theme="console"] .exp-modal-card:hover,
[data-theme="console"] .cert-modal-card:hover {
  border-left-color:#4ec9b0;
  box-shadow:-4px 0 12px rgba(78,201,176,0.15), 0 4px 20px rgba(0,0,0,0.3);
  transform:translateX(3px) translateY(-2px);
}

[data-theme="console"] .proj-modal-box,
[data-theme="console"] .cert-modal-box,
[data-theme="console"] .exp-modal-box {
  background:#1e1e1e; border-color:rgba(78,201,176,0.4);
  border-left:4px solid #4ec9b0; border-radius:6px;
}

[data-theme="console"] .info-card h3,
[data-theme="console"] .timeline-card h3,
[data-theme="console"] .proj-title,
[data-theme="console"] .cert-modal-header h2,
[data-theme="console"] .proj-modal-header h2,
[data-theme="console"] .exp-modal-header h2 { color:#dcdcaa; font-family:'JetBrains Mono',monospace; }
[data-theme="console"] .info-card p,
[data-theme="console"] .timeline-sub,
[data-theme="console"] .proj-short { color:#858585; font-size:0.78rem; }

[data-theme="console"] .timeline-badge,
[data-theme="console"] .proj-lang-badge,
[data-theme="console"] .exp-type-badge {
  background:rgba(197,134,192,0.1); border-color:rgba(197,134,192,0.25);
  color:#c586c0; font-family:'JetBrains Mono',monospace; border-radius:3px;
}
[data-theme="console"] .timeline-badge::before { content:'@'; opacity:0.7; }
[data-theme="console"] .badge-gold { color:#dcdcaa; background:rgba(220,220,170,0.1); border-color:rgba(220,220,170,0.25); }

[data-theme="console"] .skill-card h3 { color:#dcdcaa; font-family:'JetBrains Mono',monospace; font-size:0.82rem; }
[data-theme="console"] .skill-card p  { color:#6a9955; font-size:0.72rem; }
[data-theme="console"] .skill-card p::before { content:'// '; }
[data-theme="console"] .skill-fill { background:linear-gradient(90deg,#4ec9b0,#569cd6); box-shadow:0 0 6px rgba(78,201,176,0.4); }
[data-theme="console"] .skill-bar  { background:rgba(255,255,255,0.05); }

[data-theme="console"] .skill-icon-wrap,
[data-theme="console"] .proj-icon-wrap,
[data-theme="console"] .info-icon,
[data-theme="console"] .exp-card-icon,
[data-theme="console"] .cert-modal-icon { background:rgba(86,156,214,0.1); border-color:rgba(86,156,214,0.25); }

[data-theme="console"] .cert-card-skills span,
[data-theme="console"] .cert-modal-skills-wrap span,
[data-theme="console"] .exp-skill-tags span,
[data-theme="console"] .exp-tags span {
  background:rgba(197,134,192,0.1); border-color:rgba(197,134,192,0.25);
  color:#c586c0; border-radius:3px; font-family:'JetBrains Mono',monospace; font-size:0.7rem;
}

[data-theme="console"] .proj-click-hint,
[data-theme="console"] .exp-click-hint,
[data-theme="console"] .cert-click-hint { color:#6a9955; font-family:'JetBrains Mono',monospace; font-size:0.72rem; }
[data-theme="console"] .proj-click-hint::before,
[data-theme="console"] .exp-click-hint::before,
[data-theme="console"] .cert-click-hint::before { content:'// '; }

[data-theme="console"] .score-pill { background:rgba(206,145,120,0.1); border-color:rgba(206,145,120,0.25); color:#ce9178; font-family:'JetBrains Mono',monospace; border-radius:3px; }
[data-theme="console"] .score-pill strong { color:#b5cea8; }

[data-theme="console"] .timeline::before { background:linear-gradient(180deg,#4ec9b0,#569cd6,transparent); }
[data-theme="console"] .timeline-dot { border-color:#4ec9b0; background:#1e1e1e; }
[data-theme="console"] .timeline-dot-active { background:#4ec9b0; }
[data-theme="console"] .timeline-dot-gold { border-color:#dcdcaa; background:#dcdcaa; box-shadow:0 0 8px rgba(220,220,170,0.4); }
[data-theme="console"] .timeline-card-active { background:rgba(78,201,176,0.05); border-left-color:#4ec9b0 !important; }
[data-theme="console"] .timeline-card-gold   { background:rgba(220,220,170,0.04); border-left-color:#dcdcaa !important; }

[data-theme="console"] .btn { font-family:'JetBrains Mono',monospace; font-size:0.72rem; text-transform:none; border-radius:4px; }
[data-theme="console"] .btn-primary { background:#4ec9b0; color:#1e1e1e; border-color:#4ec9b0; }
[data-theme="console"] .btn-primary:hover { background:transparent; color:#4ec9b0; box-shadow:0 0 12px rgba(78,201,176,0.3); }
[data-theme="console"] .btn-secondary { color:#569cd6; border-color:#569cd6; }
[data-theme="console"] .btn-secondary:hover { background:#569cd6; color:#1e1e1e; }
[data-theme="console"] .btn-ghost { color:#858585; border-color:rgba(255,255,255,0.1); }
[data-theme="console"] .btn-ghost:hover { color:#4ec9b0; border-color:#4ec9b0; }
[data-theme="console"] .btn-badge { color:#c586c0; border-color:#c586c0; }
[data-theme="console"] .btn-badge:hover { background:#c586c0; color:#1e1e1e; }

[data-theme="console"] .about-avatar-card { background:#252526; border:1px solid rgba(78,201,176,0.15); border-top:3px solid #4ec9b0; }
[data-theme="console"] .avatar-inner { background:linear-gradient(135deg,#252526,#2d2d30); border:2px solid #4ec9b0; box-shadow:0 0 20px rgba(78,201,176,0.2); }
[data-theme="console"] .avatar-initials { color:#4ec9b0; }
[data-theme="console"] .ring { border-color:rgba(78,201,176,0.12); }
[data-theme="console"] .ring-1 { border-top-color:#4ec9b0; }
[data-theme="console"] .ring-2 { border-right-color:#c586c0; }
[data-theme="console"] .ring-3 { border-bottom-color:#569cd6; }
[data-theme="console"] .status-badge { background:rgba(78,201,176,0.07); border-color:rgba(78,201,176,0.2); color:#6a9955; font-family:'JetBrains Mono',monospace; font-size:0.72rem; }

[data-theme="console"] .cert-card-ribbon { background:rgba(86,156,214,0.12); border-bottom-color:rgba(86,156,214,0.2); }
[data-theme="console"] .cert-issuer-name { color:#569cd6; }
[data-theme="console"] .cert-card-date { color:#6a9955; }
[data-theme="console"] .corner { border-color:#4ec9b0; opacity:0.4; }

[data-theme="console"] .cert-modal-section h4,
[data-theme="console"] .exp-modal-skills h4,
[data-theme="console"] .proj-modal-col h4 { color:#569cd6; font-family:'JetBrains Mono',monospace; font-size:0.68rem; }
[data-theme="console"] .cert-modal-info-item { color:#858585; }
[data-theme="console"] .cert-modal-info-item i { color:#4ec9b0; }
[data-theme="console"] .cert-modal-section p,
[data-theme="console"] .exp-modal-desc { color:#858585; }
[data-theme="console"] .proj-modal-col { background:rgba(78,201,176,0.03); border-color:rgba(78,201,176,0.12); }
[data-theme="console"] .proj-modal-col ul li { color:#858585; }
[data-theme="console"] .proj-modal-col ul li::before { color:#4ec9b0; }
[data-theme="console"] .proj-modal-header h2 { color:#dcdcaa; }

[data-theme="console"] .proj-footer,
[data-theme="console"] .exp-card-footer,
[data-theme="console"] .cert-card-footer { border-top-color:rgba(78,201,176,0.12); }
[data-theme="console"] .cert-modal-header { border-color:rgba(78,201,176,0.15); }
[data-theme="console"] .cert-modal-actions { border-top-color:rgba(78,201,176,0.15); }

[data-theme="console"] .social-btn { background:#252526; border-color:rgba(78,201,176,0.15); }
[data-theme="console"] .social-btn:hover { border-color:#4ec9b0; box-shadow:0 0 10px rgba(78,201,176,0.2); }

[data-theme="console"] .exp-placeholder-icon,
[data-theme="console"] .cert-placeholder-icon { background:rgba(86,156,214,0.1); border-color:rgba(86,156,214,0.2); color:#569cd6; }
[data-theme="console"] .exp-placeholder h3,
[data-theme="console"] .cert-placeholder h3 { color:#dcdcaa; }
[data-theme="console"] .exp-placeholder p,
[data-theme="console"] .cert-placeholder p { color:#858585; }
[data-theme="console"] .placeholder-dots span { background:#4ec9b0; }

[data-theme="console"] #footer { background:#252526; border-top-color:rgba(78,201,176,0.15); }
[data-theme="console"] .footer-tagline::before { content:'// '; color:#6a9955; }

[data-theme="console"] .proj-modal-overlay,
[data-theme="console"] .cert-modal-overlay,
[data-theme="console"] .exp-modal-overlay { background:rgba(8,8,8,0.92); }

[data-theme="console"] ::-webkit-scrollbar-track { background:#1e1e1e; }
[data-theme="console"] ::-webkit-scrollbar-thumb { background:#4ec9b0; }

[data-theme="console"] .theme-switcher { background:rgba(78,201,176,0.06); border-color:rgba(78,201,176,0.2); }
[data-theme="console"] .theme-btn.active { background:#4ec9b0; }
[data-theme="console"] .theme-btn.active .theme-icon { color:#1e1e1e; }

[data-theme="console"] .hero-grid {
  background-image:
    linear-gradient(rgba(78,201,176,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(78,201,176,0.04) 1px, transparent 1px);
}

@media (max-width: 768px) {
  [data-theme="console"] .nav-links {
    background:rgba(30,30,30,0.99); border-left-color:rgba(78,201,176,0.2);
  }
}

/* ============================================================
   THEME 3 — CLEAN ENGINEER
   Apple / Linear / Stripe / Vercel inspired light theme
   ============================================================ */
[data-theme="clean"] {
  --bg-dark:       #f8f9fc;
  --bg-alt:        #f0f2f8;
  --surface:       rgba(255,255,255,0.85);
  --surface-solid: #ffffff;
  --cyan:          #0284c7;
  --cyan-dim:      #0369a1;
  --blue:          #2563eb;
  --purple:        #7c3aed;
  --gold:          #d97706;
  --text-primary:  #0f172a;
  --text-secondary:#64748b;
  --border:        rgba(37,99,235,0.12);
  --border-hover:  rgba(37,99,235,0.35);
  --glow-cyan:     0 4px 24px rgba(2,132,199,0.15), 0 1px 4px rgba(2,132,199,0.08);
  --glow-blue:     0 4px 24px rgba(37,99,235,0.18);
  --glow-gold:     0 4px 16px rgba(217,119,6,0.2);
  --font-display:  'Inter',sans-serif;
  --font-body:     'Inter',sans-serif;
  --radius:        12px;
  --radius-lg:     16px;
}

[data-theme="clean"] body { background:#f8f9fc; color:#0f172a; }
[data-theme="clean"] .section-alt { background:#f0f2f8; }
[data-theme="clean"] ::selection { background:rgba(37,99,235,0.15); color:#0f172a; }

[data-theme="clean"] .glow-text {
  color:#2563eb; text-shadow:none;
  background:linear-gradient(135deg,#2563eb,#7c3aed);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}

[data-theme="clean"] #navbar.scrolled {
  background:rgba(248,249,252,0.96); border-bottom:1px solid rgba(37,99,235,0.1);
  box-shadow:0 1px 20px rgba(37,99,235,0.08);
}
[data-theme="clean"] .nav-logo { font-family:'Inter',sans-serif; font-size:1.1rem; font-weight:800; letter-spacing:-0.5px; color:#0f172a; }
[data-theme="clean"] .nav-links a { font-family:'Inter',sans-serif; font-size:0.8rem; font-weight:500; text-transform:none; color:#475569; border-radius:8px; letter-spacing:0; }
[data-theme="clean"] .nav-links a:hover { color:#2563eb; background:rgba(37,99,235,0.06); }
[data-theme="clean"] .nav-links a::after { background:#2563eb; }
[data-theme="clean"] .hamburger span { background:#2563eb; }

[data-theme="clean"] .theme-switcher { background:rgba(37,99,235,0.06); border-color:rgba(37,99,235,0.14); }
[data-theme="clean"] .theme-btn.active { background:#2563eb; }
[data-theme="clean"] .theme-btn.active .theme-icon { color:#fff; }
[data-theme="clean"] .theme-icon { color:#64748b; }
[data-theme="clean"] .theme-btn:hover .theme-icon { color:#2563eb; }

[data-theme="clean"] .hero-badge {
  color:#2563eb; background:rgba(37,99,235,0.07); border-color:rgba(37,99,235,0.2);
  font-family:'Inter',sans-serif; font-weight:600; font-size:0.73rem; letter-spacing:1.5px;
}
[data-theme="clean"] .hero-name { font-family:'Inter',sans-serif; font-weight:800; letter-spacing:-2px; color:#0f172a; }
[data-theme="clean"] .hero-university { color:#64748b; font-family:'Inter',sans-serif; font-weight:500; letter-spacing:1px; }
[data-theme="clean"] .typing-wrapper {
  background:rgba(37,99,235,0.05); border:1px solid rgba(37,99,235,0.15);
  border-radius:10px; color:#2563eb; font-family:'Inter',sans-serif;
}
[data-theme="clean"] .typing-prefix { color:#7c3aed; }
[data-theme="clean"] .cursor { color:#2563eb; }
[data-theme="clean"] .hero-desc { color:#475569; font-family:'Inter',sans-serif; font-size:1rem; line-height:1.8; }
[data-theme="clean"] .hero-grid {
  background-image:
    linear-gradient(rgba(37,99,235,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.04) 1px, transparent 1px);
}

[data-theme="clean"] .section-tag {
  font-family:'Inter',sans-serif; font-weight:600; font-size:0.72rem; letter-spacing:2px; opacity:1;
  background:linear-gradient(90deg,#2563eb,#7c3aed);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
[data-theme="clean"] .section-title { font-family:'Inter',sans-serif; font-weight:800; letter-spacing:-1px; color:#0f172a; }
[data-theme="clean"] .section-line { background:linear-gradient(90deg,#2563eb,#7c3aed); height:4px; width:48px; }

[data-theme="clean"] .info-card,
[data-theme="clean"] .timeline-card,
[data-theme="clean"] .skill-card,
[data-theme="clean"] .proj-card,
[data-theme="clean"] .exp-modal-card,
[data-theme="clean"] .cert-modal-card,
[data-theme="clean"] .exp-placeholder,
[data-theme="clean"] .cert-placeholder,
[data-theme="clean"] .about-avatar-card {
  background:#ffffff; border:1px solid rgba(37,99,235,0.1);
  box-shadow:0 1px 4px rgba(37,99,235,0.06), 0 4px 20px rgba(37,99,235,0.04);
}
[data-theme="clean"] .info-card:hover,
[data-theme="clean"] .timeline-card:hover,
[data-theme="clean"] .skill-card:hover,
[data-theme="clean"] .proj-card:hover,
[data-theme="clean"] .exp-modal-card:hover,
[data-theme="clean"] .cert-modal-card:hover {
  border-color:rgba(37,99,235,0.25);
  box-shadow:0 8px 32px rgba(37,99,235,0.14), 0 2px 8px rgba(37,99,235,0.08);
  transform:translateY(-5px);
}

[data-theme="clean"] .proj-modal-box,
[data-theme="clean"] .cert-modal-box,
[data-theme="clean"] .exp-modal-box {
  background:#ffffff; border:1px solid rgba(37,99,235,0.15);
  box-shadow:0 20px 60px rgba(37,99,235,0.15), 0 4px 16px rgba(0,0,0,0.08);
}

[data-theme="clean"] .info-card h3,
[data-theme="clean"] .timeline-card h3,
[data-theme="clean"] .proj-title,
[data-theme="clean"] .cert-modal-header h2,
[data-theme="clean"] .proj-modal-header h2,
[data-theme="clean"] .exp-modal-header h2 { color:#0f172a; font-family:'Inter',sans-serif; font-weight:700; }
[data-theme="clean"] .info-card p,
[data-theme="clean"] .timeline-sub,
[data-theme="clean"] .proj-short,
[data-theme="clean"] .cert-modal-section p,
[data-theme="clean"] .exp-modal-desc { color:#64748b; font-family:'Inter',sans-serif; }

[data-theme="clean"] .timeline-badge,
[data-theme="clean"] .proj-lang-badge,
[data-theme="clean"] .exp-type-badge {
  background:rgba(37,99,235,0.07); border-color:rgba(37,99,235,0.18);
  color:#2563eb; font-family:'Inter',sans-serif; font-weight:600; font-size:0.67rem; border-radius:6px;
}
[data-theme="clean"] .badge-active { background:rgba(37,99,235,0.1); color:#2563eb; }
[data-theme="clean"] .badge-gold { background:rgba(217,119,6,0.08); color:#d97706; border-color:rgba(217,119,6,0.2); }

[data-theme="clean"] .cert-card-skills span,
[data-theme="clean"] .cert-modal-skills-wrap span,
[data-theme="clean"] .exp-skill-tags span,
[data-theme="clean"] .exp-tags span {
  background:rgba(124,58,237,0.07); border-color:rgba(124,58,237,0.18);
  color:#7c3aed; border-radius:6px; font-family:'Inter',sans-serif; font-size:0.73rem; font-weight:500;
}

[data-theme="clean"] .proj-click-hint,
[data-theme="clean"] .exp-click-hint,
[data-theme="clean"] .cert-click-hint { color:#2563eb; font-family:'Inter',sans-serif; font-weight:600; font-size:0.77rem; }

[data-theme="clean"] .score-pill { background:rgba(37,99,235,0.06); border-color:rgba(37,99,235,0.14); color:#475569; font-family:'Inter',sans-serif; font-size:0.82rem; }
[data-theme="clean"] .score-pill strong { color:#0f172a; }

[data-theme="clean"] .timeline::before { background:linear-gradient(180deg,#2563eb,#7c3aed,transparent); }
[data-theme="clean"] .timeline-dot { border-color:#93c5fd; background:#f8f9fc; }
[data-theme="clean"] .timeline-dot-active { border-color:#2563eb; background:#2563eb; box-shadow:0 0 10px rgba(37,99,235,0.4); }
[data-theme="clean"] .timeline-dot-gold { border-color:#d97706; background:#d97706; box-shadow:0 0 10px rgba(217,119,6,0.35); }
[data-theme="clean"] .timeline-card-active { background:rgba(37,99,235,0.03); border-color:rgba(37,99,235,0.2); }
[data-theme="clean"] .timeline-card-gold { background:rgba(217,119,6,0.03); border-color:rgba(217,119,6,0.15); }

[data-theme="clean"] .skill-bar  { background:rgba(37,99,235,0.08); }
[data-theme="clean"] .skill-fill { background:linear-gradient(90deg,#2563eb,#7c3aed); box-shadow:0 0 6px rgba(37,99,235,0.25); }
[data-theme="clean"] .skill-card h3 { color:#0f172a; font-family:'Inter',sans-serif; font-weight:700; font-size:0.9rem; }
[data-theme="clean"] .skill-card p  { color:#64748b; font-family:'Inter',sans-serif; }

[data-theme="clean"] .skill-icon-wrap,
[data-theme="clean"] .proj-icon-wrap,
[data-theme="clean"] .info-icon,
[data-theme="clean"] .exp-card-icon,
[data-theme="clean"] .cert-modal-icon,
[data-theme="clean"] .exp-placeholder-icon,
[data-theme="clean"] .cert-placeholder-icon {
  background:linear-gradient(135deg,rgba(37,99,235,0.08),rgba(124,58,237,0.08));
  border-color:rgba(37,99,235,0.12); color:#2563eb;
}

[data-theme="clean"] .btn { font-family:'Inter',sans-serif; font-weight:600; font-size:0.78rem; letter-spacing:0.3px; text-transform:none; border-radius:10px; }
[data-theme="clean"] .btn-primary { background:#2563eb; border-color:#2563eb; color:#fff; box-shadow:0 2px 12px rgba(37,99,235,0.25); }
[data-theme="clean"] .btn-primary:hover { background:#1d4ed8; border-color:#1d4ed8; color:#fff; box-shadow:0 6px 24px rgba(37,99,235,0.35); transform:translateY(-1px); }
[data-theme="clean"] .btn-secondary { color:#2563eb; border-color:#2563eb; }
[data-theme="clean"] .btn-secondary:hover { background:rgba(37,99,235,0.08); color:#2563eb; box-shadow:none; }
[data-theme="clean"] .btn-ghost { color:#64748b; border-color:rgba(100,116,139,0.25); }
[data-theme="clean"] .btn-ghost:hover { color:#2563eb; border-color:rgba(37,99,235,0.3); background:rgba(37,99,235,0.04); }
[data-theme="clean"] .btn-badge { color:#7c3aed; border-color:#7c3aed; }
[data-theme="clean"] .btn-badge:hover { background:#7c3aed; color:#fff; box-shadow:0 4px 16px rgba(124,58,237,0.3); }

[data-theme="clean"] .avatar-inner { background:linear-gradient(135deg,#2563eb,#7c3aed); box-shadow:0 8px 32px rgba(37,99,235,0.3); }
[data-theme="clean"] .ring { border-color:rgba(37,99,235,0.12); }
[data-theme="clean"] .ring-1 { border-top-color:#2563eb; }
[data-theme="clean"] .ring-2 { border-right-color:#7c3aed; }
[data-theme="clean"] .ring-3 { border-bottom-color:#0284c7; }
[data-theme="clean"] .status-badge { background:rgba(37,99,235,0.06); border-color:rgba(37,99,235,0.14); color:#475569; font-family:'Inter',sans-serif; }

[data-theme="clean"] .cert-card-ribbon { background:linear-gradient(90deg,rgba(37,99,235,0.06),rgba(124,58,237,0.06)); border-bottom-color:rgba(37,99,235,0.1); }
[data-theme="clean"] .cert-issuer-name { color:#2563eb; }
[data-theme="clean"] .cert-card-date { color:#64748b; }
[data-theme="clean"] .cert-card-date i { color:#2563eb; }
[data-theme="clean"] .corner { border-color:#2563eb; opacity:0.2; }

[data-theme="clean"] .cert-modal-section h4,
[data-theme="clean"] .exp-modal-skills h4,
[data-theme="clean"] .proj-modal-col h4 { color:#2563eb; font-family:'Inter',sans-serif; font-size:0.72rem; font-weight:700; }
[data-theme="clean"] .cert-modal-info-item { color:#64748b; }
[data-theme="clean"] .cert-modal-info-item i { color:#2563eb; }
[data-theme="clean"] .proj-modal-col { background:rgba(37,99,235,0.03); border-color:rgba(37,99,235,0.1); }
[data-theme="clean"] .proj-modal-col ul li::before { color:#2563eb; }
[data-theme="clean"] .proj-modal-col ul li { color:#64748b; }
[data-theme="clean"] .cert-modal-header { border-color:rgba(37,99,235,0.1); }
[data-theme="clean"] .cert-modal-actions { border-top-color:rgba(37,99,235,0.1); }

[data-theme="clean"] .proj-footer,
[data-theme="clean"] .exp-card-footer,
[data-theme="clean"] .cert-card-footer { border-top-color:rgba(37,99,235,0.08); }

[data-theme="clean"] .social-btn { background:#ffffff; border-color:rgba(37,99,235,0.12); box-shadow:0 1px 4px rgba(37,99,235,0.06); }
[data-theme="clean"] .social-btn:hover { border-color:rgba(37,99,235,0.35); box-shadow:0 4px 16px rgba(37,99,235,0.15); transform:translateY(-3px); }

[data-theme="clean"] .exp-placeholder h3,
[data-theme="clean"] .cert-placeholder h3 { color:#0f172a; }
[data-theme="clean"] .exp-placeholder p,
[data-theme="clean"] .cert-placeholder p { color:#64748b; }
[data-theme="clean"] .placeholder-dots span { background:#93c5fd; }

[data-theme="clean"] #footer { background:#f0f2f8; border-top:1px solid rgba(37,99,235,0.08); }
[data-theme="clean"] .footer-copy,
[data-theme="clean"] .footer-tagline { color:#64748b; }

[data-theme="clean"] .proj-modal-overlay,
[data-theme="clean"] .cert-modal-overlay,
[data-theme="clean"] .exp-modal-overlay { background:rgba(15,23,42,0.55); backdrop-filter:blur(8px); }

[data-theme="clean"] ::-webkit-scrollbar-track { background:#f0f2f8; }
[data-theme="clean"] ::-webkit-scrollbar-thumb { background:#93c5fd; }

@media (max-width: 768px) {
  [data-theme="clean"] .nav-links {
    background:rgba(248,249,252,0.99); border-left:1px solid rgba(37,99,235,0.12);
    box-shadow:-4px 0 24px rgba(37,99,235,0.1);
  }
  [data-theme="clean"] .nav-links a { color:#0f172a; }
}