/* ============================================================
   MAHUNO Portfolio — Custom CSS v2
   Dual theme (dark/light), animations, new components
   ============================================================ */

/* ══════════════════════════════════════════════════════════
   CSS VARIABLES — DARK THEME (default / Precision Architect)
   ══════════════════════════════════════════════════════════ */
:root {
  --surface:                    #071325;
  --surface-dim:                #071325;
  --surface-container-lowest:   #030e20;
  --surface-container-low:      #101c2e;
  --surface-container:          #142032;
  --surface-container-high:     #1f2a3d;
  --surface-container-highest:  #2a3548;
  --surface-bright:             #2e394d;
  --surface-variant:            #2a3548;
  --on-surface:                 #d7e3fc;
  --on-surface-variant:         #bcc9ce;
  --primary:                    #4cd6fb;
  --primary-container:          #00b4d8;
  --on-primary:                 #003642;
  --secondary:                  #58d6f1;
  --tertiary:                   #83d3e1;
  --outline:                    #869398;
  --outline-variant:            #3d494d;
  --inverse-surface:            #d7e3fc;
  --error:                      #ffb4ab;
}

/* ══════════════════════════════════════════════════════════
   CSS VARIABLES — LIGHT THEME
   Off-white #f6f1e7 + ink #0d1b2a + adjusted primary for AA
   ══════════════════════════════════════════════════════════ */
:root:not(.dark) {
  --surface:                    #f6f1e7;
  --surface-dim:                #ddd8ce;
  --surface-container-lowest:   #fffdf8;
  --surface-container-low:      #ede8de;
  --surface-container:          #e4dfd4;
  --surface-container-high:     #d8d2c7;
  --surface-container-highest:  #ccc6ba;
  --surface-bright:             #f9f5ee;
  --surface-variant:            #e0dbd1;
  --on-surface:                 #0d1b2a;
  --on-surface-variant:         #3a4a56;
  /* #4cd6fb on white = 2.4:1 (fails AA); #0099c2 = 4.6:1 (passes AA) */
  --primary:                    #0099c2;
  --primary-container:          #cceef9;
  --on-primary:                 #ffffff;
  --secondary:                  #007a9c;
  --tertiary:                   #005e78;
  --outline:                    #6b7b84;
  --outline-variant:            #b8c4c9;
  --inverse-surface:            #0d1b2a;
  --error:                      #ba1a1a;
}

/* ── Base ─────────────────────────────────────────────────── */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Allow CSS-var-based backgrounds to override Tailwind hardcoded classes */
  background-color: var(--surface);
  color: var(--on-surface);
}

/* Text selection */
::selection {
  background: rgba(76, 214, 251, 0.25);
  color: #4cd6fb;
}

/* ── Material Symbols ─────────────────────────────────────── */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
  user-select: none;
}

/* ── Glassmorphism Navbar ─────────────────────────────────── */
.glass-nav {
  background: rgba(16, 28, 46, 0.65);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.glass-nav.scrolled {
  background: rgba(16, 28, 46, 0.92);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* Active nav link dot indicator */
.nav-link-active {
  color: #4cd6fb !important;
  position: relative;
}
.nav-link-active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: #4cd6fb;
  border-radius: 50%;
}

/* Mobile nav overlay */
#mobile-nav {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease;
  transform: translateX(100%);
  opacity: 0;
}
#mobile-nav.open {
  transform: translateX(0);
  opacity: 1;
}

/* ── Background Textures (dark sections) ──────────────────── */
.poly-grid {
  mask-image: linear-gradient(to bottom, black 60%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent);
  background-image:
    linear-gradient(rgba(76, 214, 251, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(76, 214, 251, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.hero-glow {
  background: radial-gradient(
    ellipse at 50% 40%,
    rgba(76, 214, 251, 0.07) 0%,
    rgba(7, 19, 37, 0) 65%
  );
  pointer-events: none;
}

.dot-grid {
  background-image: radial-gradient(circle at 2px 2px, rgba(76, 214, 251, 0.12) 1px, transparent 0);
  background-size: 24px 24px;
}

/* ── Scroll Reveal Animations ─────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-stagger.active > *:nth-child(1) { transition-delay: 0s;    opacity: 1; transform: translateY(0); }
.reveal-stagger.active > *:nth-child(2) { transition-delay: 0.08s; opacity: 1; transform: translateY(0); }
.reveal-stagger.active > *:nth-child(3) { transition-delay: 0.16s; opacity: 1; transform: translateY(0); }
.reveal-stagger.active > *:nth-child(4) { transition-delay: 0.24s; opacity: 1; transform: translateY(0); }
.reveal-stagger.active > *:nth-child(5) { transition-delay: 0.32s; opacity: 1; transform: translateY(0); }
.reveal-stagger.active > *:nth-child(6) { transition-delay: 0.40s; opacity: 1; transform: translateY(0); }
.reveal-stagger.active > *:nth-child(7) { transition-delay: 0.48s; opacity: 1; transform: translateY(0); }
.reveal-stagger.active > *:nth-child(8) { transition-delay: 0.56s; opacity: 1; transform: translateY(0); }

/* Reveal from left */
.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition:
    opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

/* Reveal from right */
.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition:
    opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* ── Typing Effect ────────────────────────────────────────── */
.typing-cursor::after {
  content: '|';
  animation: blink 1.1s step-end infinite;
  color: #4cd6fb;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ── Card Hover Lift ──────────────────────────────────────── */
.card-lift {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}
.card-lift:hover {
  transform: translateY(-5px);
}

/* ── Professional Photo Frame ─────────────────────────────── */
.photo-frame img {
  transition: filter 0.7s ease, transform 0.7s ease;
  filter: grayscale(80%) contrast(1.1);
}
.photo-frame:hover img,
.photo-frame.colored img {
  filter: grayscale(0%) contrast(1);
  transform: scale(1.03);
}

/* ── Timeline Pulse Node ──────────────────────────────────── */
@keyframes timeline-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(76, 214, 251, 0.5); }
  50%       { box-shadow: 0 0 0 8px rgba(76, 214, 251, 0); }
}
.timeline-node-active {
  animation: timeline-pulse 2.5s ease-in-out infinite;
}

/* ── Decorative Orbs (parallax-lite) ─────────────────────── */
.orb {
  pointer-events: none;
  will-change: transform;
}

/* ── Section Dividers ─────────────────────────────────────── */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(76, 214, 251, 0.18), transparent);
  border: none;
}

/* ── Light Section Utilities ──────────────────────────────── */
.light-section {
  background-color: #f8fafc;
  color: #0f172a;
}
.light-section-alt {
  background-color: #f1f5f9;
  color: #0f172a;
}
.light-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.light-card:hover {
  border-color: rgba(76, 214, 251, 0.4);
  box-shadow: 0 8px 30px rgba(76, 214, 251, 0.08);
  transform: translateY(-4px);
}
.light-badge {
  background: rgba(76, 214, 251, 0.08);
  color: #0891b2;
  border: 1px solid rgba(76, 214, 251, 0.25);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-size: 0.8125rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  transition: background 0.2s, color 0.2s;
}
.light-badge:hover {
  background: rgba(76, 214, 251, 0.18);
  color: #0e7490;
}

/* ── Counter Numbers ──────────────────────────────────────── */
.counter-number {
  transition: all 0.1s ease;
}

/* ── CTA Buttons ──────────────────────────────────────────── */
.btn-primary {
  background: #4cd6fb;
  color: #003642;
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.8125rem;
  padding: 1rem 2.25rem;
  transition: box-shadow 0.3s ease, transform 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn-primary:hover {
  box-shadow: 0 0 40px rgba(76, 214, 251, 0.45);
  transform: translateY(-2px);
}
.btn-primary:active {
  transform: scale(0.97);
}

.btn-outline {
  background: transparent;
  color: #bcc9ce;
  border: 1px solid rgba(61, 73, 77, 0.7);
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.8125rem;
  padding: 1rem 2.25rem;
  transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn-outline:hover {
  border-color: rgba(76, 214, 251, 0.5);
  color: #4cd6fb;
  background: rgba(76, 214, 251, 0.05);
}

/* ── Skill Pills (dark sections) ──────────────────────────── */
.skill-pill {
  padding: 0.4rem 1rem;
  border-radius: 999px;
  background: #2a3548;
  color: #4cd6fb;
  border: 1px solid rgba(76, 214, 251, 0.2);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  transition: background 0.2s ease, color 0.2s ease;
}
.skill-pill:hover {
  background: rgba(76, 214, 251, 0.1);
}
.skill-pill-secondary {
  padding: 0.4rem 1rem;
  border-radius: 999px;
  background: #101c2e;
  color: #bcc9ce;
  border: 1px solid rgba(61, 73, 77, 0.4);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  transition: border-color 0.2s ease;
}
.skill-pill-secondary:hover {
  border-color: #58d6f1;
}

/* ── Project Cards ────────────────────────────────────────── */
.project-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  box-shadow: 0 16px 40px rgba(76, 214, 251, 0.1);
  transform: translateY(-5px);
  border-color: rgba(76, 214, 251, 0.35);
}
.project-card .project-thumb {
  height: 180px;
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.project-card .project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.project-card:hover .project-thumb img {
  transform: scale(1.05);
}

/* ── Certification Cards ──────────────────────────────────── */
.cert-card {
  background: #1f2a3d;
  border-radius: 0.75rem;
  padding: 2rem;
  transition: background 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}
.cert-card:hover {
  background: #253346;
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}
.cert-card .cert-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: #2a3548;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(76, 214, 251, 0.1);
  transition: border-color 0.3s ease;
}
.cert-card:hover .cert-icon {
  border-color: rgba(76, 214, 251, 0.4);
}
.cert-card .cert-arrow {
  opacity: 0;
  transition: opacity 0.3s ease;
}
.cert-card:hover .cert-arrow {
  opacity: 1;
}

/* ── Hobbies Cards ────────────────────────────────────────── */
.hobby-card {
  background: #ffffff;
  border-radius: 0.75rem;
  padding: 2rem;
  text-align: center;
  border: 1px solid #e2e8f0;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.hobby-card:hover {
  border-color: rgba(76, 214, 251, 0.4);
  box-shadow: 0 8px 24px rgba(76, 214, 251, 0.08);
  transform: translateY(-4px);
}
.hobby-card .hobby-icon {
  width: 4rem;
  height: 4rem;
  background: rgba(76, 214, 251, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  transition: background 0.3s ease;
}
.hobby-card:hover .hobby-icon {
  background: rgba(76, 214, 251, 0.16);
}

/* ── Status Indicator ─────────────────────────────────────── */
@keyframes status-pulse {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 rgba(76, 214, 251, 0.4); }
  50%       { opacity: 0.85; transform: scale(0.95); box-shadow: 0 0 0 6px rgba(76, 214, 251, 0); }
}
.status-dot {
  animation: status-pulse 2.5s ease-in-out infinite;
}

/* ── Scrollbar (webkit) ───────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #071325; }
::-webkit-scrollbar-thumb { background: #2a3548; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #4cd6fb; }

/* ── Print / Prefers-reduced-motion ──────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-left, .reveal-right,
  .reveal-stagger > *,
  .card-lift, .light-card, .project-card,
  .cert-card, .hobby-card {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
  .status-dot, .timeline-node-active { animation: none !important; }
  .typing-cursor::after { animation: none !important; }
}

/* ── Reduced motion: show orbs statically ─────────────────── */
@media (max-width: 767px) {
  .orb { display: none; }
}

/* ══════════════════════════════════════════════════════════
   CSS-VAR OVERRIDES: Make Tailwind hardcoded classes
   react to the light/dark variable switch.
   These override Tailwind's inline compiled values.
   ══════════════════════════════════════════════════════════ */
.bg-surface                   { background-color: var(--surface) !important; }
.bg-surface-dim               { background-color: var(--surface-dim) !important; }
.bg-surface-container-lowest  { background-color: var(--surface-container-lowest) !important; }
.bg-surface-container-low     { background-color: var(--surface-container-low) !important; }
.bg-surface-container         { background-color: var(--surface-container) !important; }
.bg-surface-container-high    { background-color: var(--surface-container-high) !important; }
.bg-surface-container-highest { background-color: var(--surface-container-highest) !important; }
.text-on-surface              { color: var(--on-surface) !important; }
.text-on-surface-variant      { color: var(--on-surface-variant) !important; }
.text-primary                 { color: var(--primary) !important; }
.text-outline                 { color: var(--outline) !important; }
.border-outline-variant       { border-color: var(--outline-variant) !important; }
.border-primary               { border-color: var(--primary) !important; }

/* ── Theme transition (smooth) ───────────────────────────── */
body, body * {
  transition: background-color 0.3s ease, color 0.25s ease, border-color 0.25s ease;
}
/* Exclude animated elements from color transition to avoid jank */
.typing-cursor::after,
.status-dot,
.timeline-node-active,
[data-magnetic],
[data-tilt] {
  transition: none;
}

/* ── Scrollbar theme-aware ───────────────────────────────── */
::-webkit-scrollbar       { width: 6px; }
::-webkit-scrollbar-track { background: var(--surface-container-lowest); }
::-webkit-scrollbar-thumb { background: var(--surface-container-high); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ══════════════════════════════════════════════════════════
   BADGE "SYNTHETIC" — Case Study cards
   ══════════════════════════════════════════════════════════ */
.badge-synthetic {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 10;
  background: #fff3cd;
  color: #7a4f00;
  border: 1px solid #f0c040;
  border-radius: 4px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 6px;
  transition: box-shadow 150ms ease;
  cursor: help;
}
.dark .badge-synthetic {
  background: #2a2000;
  color: #f5c542;
}
/* Badge tooltip via CSS */
.badge-synthetic[data-tooltip] {
  position: absolute;
}
.badge-synthetic[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-container-highest);
  color: var(--on-surface);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  padding: 4px 10px;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 150ms ease;
  z-index: 50;
}
.badge-synthetic[data-tooltip]::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 1px);
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--surface-container-highest);
  opacity: 0;
  transition: opacity 150ms ease;
  z-index: 50;
}
.badge-synthetic[data-tooltip]:hover::after,
.badge-synthetic[data-tooltip]:hover::before { opacity: 1; }
/* Card hover highlights badge */
.case-study-card:hover .badge-synthetic { box-shadow: 0 0 0 2px #f0c040; }

/* ══════════════════════════════════════════════════════════
   TESTIMONIAL CARD
   ══════════════════════════════════════════════════════════ */
.testimonial-card {
  background: var(--surface-container);
  border: 1px solid var(--outline-variant);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 200ms ease, box-shadow 200ms ease;
}
.testimonial-card:hover {
  border-color: var(--outline);
  box-shadow: 0 4px 20px rgba(0,0,0,0.28);
}
.dark .testimonial-card:hover {
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
}
.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--on-primary);
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.testimonial-quote::before {
  content: '\201C';
  font-size: 2rem;
  line-height: 0.5;
  display: block;
  margin-bottom: 8px;
  color: var(--primary);
  font-family: 'Manrope', sans-serif;
}
.testimonial-quote {
  font-family: 'Inter', sans-serif;
  font-size: 0.9375rem;
  font-style: italic;
  color: var(--on-surface);
  line-height: 1.6;
}
.testimonial-divider {
  height: 1px;
  background: var(--outline-variant);
  margin-top: 16px;
  margin-bottom: 14px;
}
.testimonial-name {
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--on-surface);
}
.testimonial-role {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 0.8125rem;
  color: var(--on-surface-variant);
  margin-top: 2px;
}

/* ══════════════════════════════════════════════════════════
   LIFE JOURNEY TIMELINE (horizontal desktop / vertical mobile)
   ══════════════════════════════════════════════════════════ */
.journey-track {
  display: flex;
  align-items: flex-start;
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.journey-track::-webkit-scrollbar { display: none; }

.journey-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 0 0 200px;
  scroll-snap-align: start;
  position: relative;
}

/* Connector line between nodes */
.journey-item + .journey-item::before {
  content: '';
  position: absolute;
  top: 14px; /* align with node center */
  right: calc(100% - 0px);
  left: -100px;
  height: 2px;
  background: var(--outline-variant);
  z-index: 0;
}

.journey-node {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--surface-container-high);
  border: 2px solid var(--outline-variant);
  z-index: 1;
  flex-shrink: 0;
  margin-bottom: 12px;
  position: relative;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.journey-item.active .journey-node,
.journey-item.past .journey-node {
  background: var(--primary);
  border-color: var(--primary);
}
.journey-item.active .journey-node {
  box-shadow: 0 0 0 4px rgba(76, 214, 251, 0.22);
}
.dark .journey-item.active .journey-node {
  box-shadow: 0 0 0 4px rgba(76, 214, 251, 0.25);
}

.journey-year {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.06em;
  margin-bottom: 6px;
  text-align: center;
}

.journey-card {
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: 8px;
  padding: 14px 16px;
  width: 100%;
  max-width: 180px;
}

.journey-card-title {
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--on-surface);
  margin-bottom: 4px;
}

.journey-card-desc {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  color: var(--on-surface-variant);
  line-height: 1.5;
}

/* Mobile: vertical layout */
@media (max-width: 767px) {
  .journey-track {
    flex-direction: column;
    overflow-x: visible;
    scroll-snap-type: none;
    padding-left: 24px;
    position: relative;
  }
  /* Vertical connector line */
  .journey-track::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 7px;
    bottom: 7px;
    width: 2px;
    background: var(--outline-variant);
  }
  .journey-item {
    flex-direction: row;
    align-items: flex-start;
    flex: none;
    gap: 16px;
    margin-bottom: 24px;
    width: 100%;
  }
  .journey-item + .journey-item::before { display: none; }
  .journey-node {
    margin-bottom: 0;
    flex-shrink: 0;
    margin-top: 2px;
    margin-left: -24px;
  }
  .journey-card { max-width: 100%; flex: 1; }
  .journey-year { text-align: left; margin-bottom: 2px; }
}

/* ══════════════════════════════════════════════════════════
   HOBBY CARDS
   ══════════════════════════════════════════════════════════ */
.hobby-card-v2 {
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: 10px;
  padding: 20px;
  transition: background 200ms ease, border-color 200ms ease, transform 200ms ease;
}
.hobby-card-v2:hover {
  background: var(--surface-container);
  border-color: var(--outline);
  transform: translateY(-2px);
}
.hobby-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(76, 214, 251, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}
:root:not(.dark) .hobby-icon-wrap {
  background: rgba(0, 153, 194, 0.12);
}
.hobby-card-title {
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--on-surface);
  margin-top: 12px;
}
.hobby-card-desc {
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  color: var(--on-surface-variant);
  line-height: 1.55;
  margin-top: 4px;
}

/* ══════════════════════════════════════════════════════════
   PHILOSOPHY SECTION
   ══════════════════════════════════════════════════════════ */
.philosophy-headline {
  font-family: 'Manrope', sans-serif;
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--on-surface);
}
@media (max-width: 767px) {
  .philosophy-headline { font-size: 2rem; }
}
.principle-card {
  background: var(--surface-container-low);
  border-radius: 8px;
  padding: 24px;
  border-left: 3px solid var(--primary);
  transition: background 200ms ease;
}
.principle-card:hover { background: var(--surface-container); }
.principle-name {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--on-surface);
  margin-bottom: 6px;
}
.principle-desc {
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  color: var(--on-surface-variant);
  line-height: 1.6;
}

/* ══════════════════════════════════════════════════════════
   FADE-THROUGH (section entry via animations.js)
   ══════════════════════════════════════════════════════════ */
[data-fade-section] {
  opacity: 0;
  filter: blur(4px);
  transform: translateY(10px);
  transition:
    opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    filter  0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-fade-section].in-view {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  [data-fade-section] { opacity: 1 !important; filter: none !important; transform: none !important; }
}

/* ══════════════════════════════════════════════════════════
   AVAILABILITY BADGE (contact section)
   ══════════════════════════════════════════════════════════ */
.availability-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  letter-spacing: 0.03em;
}
.availability-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
  animation: avail-pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes avail-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50%       { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

/* ══════════════════════════════════════════════════════════
   LIGHT THEME: specific overrides that can't use CSS vars
   ══════════════════════════════════════════════════════════ */
:root:not(.dark) body {
  background-color: var(--surface);
}
:root:not(.dark) .glass-nav {
  background: rgba(246, 241, 231, 0.75);
  border-bottom: 1px solid var(--outline-variant);
}
:root:not(.dark) .glass-nav.scrolled {
  background: rgba(246, 241, 231, 0.95);
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}
:root:not(.dark) .poly-grid {
  background-image:
    linear-gradient(rgba(0, 153, 194, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 153, 194, 0.06) 1px, transparent 1px);
}
:root:not(.dark) .hero-glow {
  background: radial-gradient(
    ellipse at 50% 40%,
    rgba(0, 153, 194, 0.07) 0%,
    rgba(246, 241, 231, 0) 65%
  );
}
:root:not(.dark) .section-divider {
  background: linear-gradient(90deg, transparent, rgba(0, 153, 194, 0.2), transparent);
}
:root:not(.dark) .skill-pill {
  background: rgba(0, 153, 194, 0.1);
  color: #005e78;
  border-color: rgba(0, 153, 194, 0.25);
}
:root:not(.dark) .skill-pill-secondary {
  background: var(--surface-container-low);
  color: var(--on-surface-variant);
  border-color: var(--outline-variant);
}
:root:not(.dark) .btn-primary {
  background: var(--primary);
  color: var(--on-primary);
}
:root:not(.dark) .btn-outline {
  color: var(--on-surface-variant);
  border-color: var(--outline-variant);
}
:root:not(.dark) .btn-outline:hover {
  color: var(--primary);
  border-color: var(--primary);
}
:root:not(.dark) ::-webkit-scrollbar-track { background: var(--surface-container-low); }
:root:not(.dark) ::-webkit-scrollbar-thumb { background: var(--surface-container-high); }

:root:not(.dark) .cert-card {
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
}
:root:not(.dark) .cert-card:hover {
  background: var(--surface-container);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}
:root:not(.dark) .cert-card .cert-icon {
  background: rgba(0,153,194,0.08);
  border-color: rgba(0,153,194,0.2);
}
:root:not(.dark) .cert-card:hover .cert-icon {
  border-color: rgba(0,153,194,0.45);
}

/* ══════════════════════════════════════════════════════════
   SCREEN READER LIVE REGION (theme announce)
   ══════════════════════════════════════════════════════════ */
.sr-live {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}