/* =========================================================
   1. TOKENS
   ========================================================= */
:root {
  --ink-900: #08080a;
  --ink-850: #0c0c0f;
  --ink-800: #101014;
  --ink-750: #16161b;
  --ink-700: #1c1c22;

  --bone: #f3f0ea;
  --bone-2: #a9a49b;
  --bone-3: #6d6963;

  --accent: #ff4d17;
  --accent-2: #f7b733;
  --accent-3: #4abdac;
  --accent-glow: rgba(255, 77, 23, .3);

  --line: rgba(243, 240, 234, .10);
  --line-soft: rgba(243, 240, 234, .055);
  --line-strong: rgba(243, 240, 234, .2);

  --nav-bg: rgba(8, 8, 10, .74);
  --card-glass: rgba(16, 16, 20, .85);
  --card-shadow: 0 10px 30px rgba(0, 0, 0, .45);
  --card-shadow-hover: 0 14px 38px rgba(0, 0, 0, .58);

  --font-display: 'Instrument Serif', 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;

  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-io: cubic-bezier(.65, .05, .36, 1);
  --ease-spring: cubic-bezier(.175, .885, .32, 1.275);
  --ease-smooth: cubic-bezier(.25, 1, .5, 1);

  --gutter: clamp(20px, 4vw, 56px);
  --maxw: 1320px;
  --nav-h: 68px;
}

/* Dark mode accent themes */
body[data-theme="aqua"] {
  --accent: #00d2ff;
  --accent-2: #3a7bd5;
  --accent-3: #20e2d7;
  --accent-glow: rgba(0, 210, 255, .32);
}

body[data-theme="violet"] {
  --accent: #b057f8;
  --accent-2: #ec4899;
  --accent-3: #8b5cf6;
  --accent-glow: rgba(176, 87, 248, .32);
}

body[data-theme="emerald"] {
  --accent: #10b981;
  --accent-2: #06b6d4;
  --accent-3: #34d399;
  --accent-glow: rgba(16, 185, 129, .32);
}

/* =========================================================
   LIGHT MODE TOKENS & ACCENT OVERRIDES
   ========================================================= */
html[data-mode="light"],
body[data-mode="light"] {
  --ink-900: #f8fafc;
  --ink-850: #ffffff;
  --ink-800: #f1f5f9;
  --ink-750: #e2e8f0;
  --ink-700: #cbd5e1;

  --bone: #0f172a;
  --bone-2: #475569;
  --bone-3: #94a3b8;

  --line: rgba(15, 23, 42, .08);
  --line-soft: rgba(15, 23, 42, .045);
  --line-strong: rgba(15, 23, 42, .16);

  --nav-bg: rgba(255, 255, 255, .88);
  --card-glass: rgba(255, 255, 255, .92);
  --card-shadow: 0 4px 20px -2px rgba(15, 23, 42, .05), 0 1px 3px rgba(15, 23, 42, .03);
  --card-shadow-hover: 0 12px 30px -4px rgba(15, 23, 42, .10), 0 2px 6px rgba(15, 23, 42, .04);
}

/* Light mode accent colors tuned for high contrast */
body[data-mode="light"]:not([data-theme]),
body[data-mode="light"][data-theme="solar"] {
  --accent: #ea580c;
  --accent-2: #d97706;
  --accent-3: #0d9488;
  --accent-glow: rgba(234, 88, 12, .24);
}

body[data-mode="light"][data-theme="aqua"] {
  --accent: #0284c7;
  --accent-2: #2563eb;
  --accent-3: #0891b2;
  --accent-glow: rgba(2, 132, 199, .24);
}

body[data-mode="light"][data-theme="violet"] {
  --accent: #9333ea;
  --accent-2: #db2777;
  --accent-3: #7c3aed;
  --accent-glow: rgba(147, 51, 234, .24);
}

body[data-mode="light"][data-theme="emerald"] {
  --accent: #059669;
  --accent-2: #0284c7;
  --accent-3: #10b981;
  --accent-glow: rgba(5, 150, 105, .24);
}

/* =========================================================
   2. RESET
   ========================================================= */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--ink-900);
  color: var(--bone);
  line-height: 1.65;
  font-weight: 350;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.is-locked { overflow: hidden; }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img, video, canvas, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--accent); color: #fff; }

::-webkit-scrollbar { width: 9px; }
::-webkit-scrollbar-track { background: var(--ink-900); }
::-webkit-scrollbar-thumb { background: var(--ink-700); border-radius: 9px; border: 2px solid var(--ink-900); }
::-webkit-scrollbar-thumb:hover { background: #2c2c34; }

/* =========================================================
   3. ATMOSFER (grain, aurora, particles)
   ========================================================= */
.ambient-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 650px;
  height: 650px;
  margin-top: -325px;
  margin-left: -325px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, rgba(247, 183, 51, .03) 45%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(55px);
  opacity: 0;
  transition: opacity 1.2s var(--ease);
  will-change: transform;
}

.ambient-glow.visible { opacity: .65; }

.grain {
  position: fixed;
  inset: -50%;
  z-index: 2;
  pointer-events: none;
  opacity: .04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 256 256'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 7s steps(6) infinite;
}

@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  17% { transform: translate(-4%, -6%); }
  33% { transform: translate(5%, -3%); }
  50% { transform: translate(-3%, 5%); }
  67% { transform: translate(4%, 4%); }
  83% { transform: translate(-5%, 2%); }
}

.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.aurora span {
  position: absolute;
  display: block;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .5;
}

.aurora .a1 { width: 44vw; height: 44vw; top: -12vw; right: -8vw; background: radial-gradient(circle, rgba(255, 77, 23, .22), transparent 68%); animation: drift 26s var(--ease-io) infinite; }
.aurora .a2 { width: 38vw; height: 38vw; bottom: -14vw; left: -10vw; background: radial-gradient(circle, rgba(247, 183, 51, .14), transparent 68%); animation: drift 32s var(--ease-io) infinite reverse; }
.aurora .a3 { width: 30vw; height: 30vw; top: 45%; left: 42%; background: radial-gradient(circle, rgba(74, 189, 172, .10), transparent 70%); animation: drift 38s var(--ease-io) infinite; }

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-6vw, 7vh) scale(1.18); }
}

/* =========================================================
   4. PRELOADER (Elastic EKSA Text Bounce)
   ========================================================= */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--ink-900);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .45s var(--ease), transform .5s var(--ease);
  will-change: opacity, transform;
}

#preloader.done {
  opacity: 0;
  pointer-events: none;
  transform: scale(1.04);
}

.pre-center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.pre-brand-bounce {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: clamp(3rem, 7.5vw, 4.4rem);
  font-weight: 800;
  letter-spacing: .18em;
  text-indent: .18em;
  color: var(--bone);
  filter: drop-shadow(0 4px 18px var(--accent-glow));
  height: 80px;
}

.pre-brand-bounce span {
  display: inline-block;
  animation: letterElasticBounce 1.25s cubic-bezier(0.25, 0.8, 0.35, 1) infinite;
  animation-delay: calc(var(--i, 0) * 0.1s);
  will-change: transform, color;
}

@keyframes letterElasticBounce {
  0%, 100% {
    transform: translateY(0) scale(1, 1);
    color: var(--bone);
  }
  16% {
    transform: translateY(5px) scale(1.18, 0.82);
  }
  42% {
    transform: translateY(-26px) scale(0.92, 1.15);
    color: var(--accent);
    text-shadow: 0 12px 28px var(--accent-glow);
  }
  68% {
    transform: translateY(3px) scale(1.12, 0.88);
    color: var(--bone);
  }
  84% {
    transform: translateY(-4px) scale(0.98, 1.02);
  }
}

.pre-bounce-shadow {
  width: 140px;
  height: 10px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, var(--accent-glow) 0%, rgba(255, 77, 23, 0.08) 50%, transparent 75%);
  margin-top: -6px;
  animation: shadowPulse 1.25s ease-in-out infinite;
  filter: blur(3px);
}

@keyframes shadowPulse {
  0%, 16%, 68%, 100% {
    transform: scale(1);
    opacity: 0.8;
  }
  42% {
    transform: scale(0.55);
    opacity: 0.25;
  }
}

.pre-sub {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: .68rem;
  letter-spacing: .25em;
  color: var(--bone-3);
  text-transform: uppercase;
  margin-top: 4px;
  opacity: .75;
}

/* =========================================================
   6. PROGRESS BAR
   ========================================================= */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  z-index: 1200;
}

/* =========================================================
   7. LAYOUT
   ========================================================= */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

main { position: relative; z-index: 1; }

section {
  position: relative;
  z-index: 1;
  padding: clamp(80px, 11vw, 150px) 0;
}

.rule { height: 1px; background: var(--line-soft); }

/* =========================================================
   8. NAVBAR
   ========================================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-h);
  z-index: 1100;
  display: flex;
  align-items: center;
  transition: background .45s var(--ease), border-color .45s var(--ease), height .45s var(--ease);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  height: 56px;
  background: var(--nav-bg, rgba(8, 8, 10, .72));
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--line);
}

.navbar .container {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: .95rem;
  letter-spacing: .22em;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-right: auto;
}

.nav-logo::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(255, 77, 23, .6);
  animation: ping 2.6s var(--ease-io) infinite;
}

@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(255, 77, 23, .55); }
  70%, 100% { box-shadow: 0 0 0 11px rgba(255, 77, 23, 0); }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-links a {
  position: relative;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--bone-3);
  padding: 8px 12px;
  transition: color .3s var(--ease);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .4s var(--ease);
}

.nav-links a:hover, .nav-links a.active { color: var(--bone); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 2px;
}

.lang-btn {
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .1em;
  padding: 5px 11px;
  border-radius: 100px;
  color: var(--bone-3);
  transition: color .3s var(--ease), background .3s var(--ease);
}

.lang-btn.active { color: var(--ink-900); background: var(--bone); }

/* Mode Toggle Button (Sun / Moon) */
.mode-toggle-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--card-glass);
  color: var(--bone-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color .3s var(--ease), color .3s var(--ease), transform .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}

.mode-toggle-btn:hover {
  border-color: var(--line-strong);
  color: var(--bone);
  transform: scale(1.08);
  box-shadow: 0 0 14px var(--accent-glow);
}

.mode-toggle-btn .mode-icon {
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .45s var(--ease);
}

.mode-toggle-btn:hover .mode-icon {
  transform: rotate(25deg);
}

.mode-toggle-btn .mode-icon svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
}

.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.hamburger span {
  display: block;
  width: 17px;
  height: 1.5px;
  background: var(--bone);
  border-radius: 2px;
  transition: transform .4s var(--ease), opacity .25s;
}

.hamburger span + span { margin-top: 4px; }
.hamburger.active span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* =========================================================
   9. HERO
   ========================================================= */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-h) + 40px);
  padding-bottom: 60px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
  width: 100%;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--bone-2);
  padding: 7px 14px 7px 12px;
  border: 1px solid var(--line);
  border-radius: 100px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-3);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .35; transform: scale(.7); }
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3.2rem, 9.2vw, 8.4rem);
  line-height: .9;
  letter-spacing: -.025em;
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

.hero h1 .ln {
  display: block;
}

.hero h1 .accent {
  font-style: italic;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 35%, #ffffff 60%, var(--accent) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: textShimmer 4.5s ease-in-out infinite;
  display: inline-block;
}

@keyframes textShimmer {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero-roles {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 1.9em;
  font-family: var(--font-mono);
  font-size: clamp(.78rem, 1.5vw, .95rem);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--bone-2);
  margin-bottom: 22px;
}

.hero-roles .slot {
  position: relative;
  overflow: hidden;
  height: 1.9em;
  flex: 1;
  min-width: 0;
}

.hero-roles .slot b {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  font-weight: 400;
  white-space: nowrap;
  transform: translateY(100%);
  opacity: 0;
}

.hero-roles .slot b.in { animation: roleIn .7s var(--ease) forwards; }
.hero-roles .slot b.out { animation: roleOut .7s var(--ease) forwards; }

@keyframes roleIn { from { transform: translateY(100%); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes roleOut { from { transform: translateY(0); opacity: 1; } to { transform: translateY(-100%); opacity: 0; } }

.hero-roles .bar { width: 28px; height: 1px; background: var(--accent); flex: none; }

.hero-desc {
  max-width: 48ch;
  color: var(--bone-2);
  font-size: clamp(.94rem, 1.25vw, 1.06rem);
  line-height: 1.8;
  margin-bottom: clamp(26px, 3.4vw, 40px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: clamp(38px, 5vw, 64px);
}

/* --- tombol --- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 100px;
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .01em;
  overflow: hidden;
  isolation: isolate;
  transition: color .4s var(--ease), border-color .4s var(--ease);
}

.btn .i { width: 17px; height: 17px; transition: transform .45s var(--ease); }
.btn:hover .i { transform: translate(3px, -3px); }

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  transform: translateY(101%);
  transition: transform .5s var(--ease);
}

.btn-primary { background: var(--bone); color: var(--ink-900); }
.btn-primary::before { background: var(--accent); }
.btn-primary:hover { color: #fff; }
.btn-primary:hover::before { transform: translateY(0); }

.btn-ghost { border: 1px solid var(--line-strong); color: var(--bone); }
.btn-ghost::before { background: var(--bone); }
.btn-ghost:hover { color: var(--ink-900); border-color: var(--bone); }
.btn-ghost:hover::before { transform: translateY(0); }

/* --- statistik --- */
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(26px, 4vw, 56px);
  border-top: 1px solid var(--line);
  padding-top: 26px;
}

.stat-item { min-width: 86px; }

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.4vw, 2.9rem);
  line-height: 1;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--bone-3);
  margin-top: 9px;
}

/* --- portrait --- */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.portrait-wrap {
  position: relative;
  width: min(100%, 380px);
}

.portrait-wrap::before {
  content: '';
  position: absolute;
  inset: -15%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 68%);
  filter: blur(40px);
  opacity: .55;
  z-index: 0;
  pointer-events: none;
  animation: portraitGlow 6s ease-in-out infinite alternate;
}

@keyframes portraitGlow {
  0% { transform: scale(.95); opacity: .4; }
  100% { transform: scale(1.08); opacity: .65; }
}

.portrait {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 200px 200px var(--r-lg) var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--ink-750), var(--ink-850));
  will-change: transform;
  z-index: 1;
  transition: border-color .5s var(--ease), box-shadow .5s var(--ease);
}

.portrait-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  border-radius: inherit;
  transition: opacity .65s cubic-bezier(.22, 1, .36, 1), transform .8s cubic-bezier(.22, 1, .36, 1), filter .65s var(--ease);
}

.photo-normal {
  z-index: 2;
  opacity: 1;
  filter: grayscale(1) contrast(1.08) brightness(.92);
}

.portrait:not(.xray-active):hover .photo-normal {
  filter: grayscale(0) contrast(1) brightness(1);
  transform: scale(1.03);
}

.photo-xray {
  z-index: 3;
  opacity: 0;
  transform: none;
  pointer-events: none;
  filter: contrast(1.25) brightness(1.08);
  clip-path: inset(0% 0 0 0);
  transition: opacity .4s var(--ease);
}

.portrait::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 4;
  background: linear-gradient(200deg, var(--accent-glow), transparent 42%, rgba(8, 8, 10, .7));
  mix-blend-mode: multiply;
  pointer-events: none;
  transition: opacity .8s var(--ease);
}

.portrait:hover::after { opacity: .35; }

/* ===== X-RAY RADIOGRAPHY ACTIVE STATE ===== */
.portrait.xray-active {
  border-color: #00e5ff;
  box-shadow: 0 0 35px rgba(0, 229, 255, .45), 0 0 70px rgba(0, 229, 255, .15), inset 0 0 25px rgba(0, 229, 255, .2);
  cursor: crosshair;
}

.portrait.xray-active .photo-normal {
  opacity: 1;
  transform: none;
  filter: grayscale(0) contrast(1.04) brightness(.98);
}

.portrait.xray-active .photo-xray {
  opacity: 1;
  transform: none;
  filter: contrast(1.26) brightness(1.08) drop-shadow(0 0 12px rgba(0, 229, 255, .35));
  animation: xrayClipSweep 3.6s cubic-bezier(.45, .05, .55, .95) infinite alternate;
  will-change: clip-path;
}

.portrait.xray-active::after {
  background: radial-gradient(circle at center, rgba(0, 229, 255, .08), transparent 70%), linear-gradient(180deg, transparent 65%, rgba(8, 8, 10, .75));
  mix-blend-mode: screen;
  opacity: 1;
}

/* Medical DICOM HUD Overlay */
.xray-hud {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  opacity: 0;
  transition: opacity .5s var(--ease);
}

.portrait.xray-active .xray-hud {
  opacity: 1;
}

.hud-tag {
  position: absolute;
  font-family: var(--font-mono);
  font-size: .56rem;
  letter-spacing: .14em;
  color: #00e5ff;
  background: rgba(8, 8, 10, .76);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid rgba(0, 229, 255, .3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-shadow: 0 0 8px rgba(0, 229, 255, .6);
}

.hud-tag.top-l { top: 16px; left: 16px; }
.hud-tag.top-r { top: 16px; right: 16px; }
.hud-tag.bot-l { bottom: 54px; left: 16px; }
.hud-tag.bot-r { bottom: 54px; right: 16px; }

.hud-blink {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #00e5ff;
  box-shadow: 0 0 8px #00e5ff;
  animation: ping 1.4s infinite;
}

.hud-badge {
  color: #fff;
  font-weight: 600;
  background: rgba(0, 229, 255, .3);
  padding: 1px 4px;
  border-radius: 2px;
}

.xray-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(0, 229, 255, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 229, 255, .035) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

/* Radiographer X-Ray Laser Scanner Effect */
.xray-beam {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 3%, #fff 40%, #00e5ff 60%, transparent 97%);
  box-shadow: 0 0 16px 3px #00e5ff, 0 0 40px rgba(0, 229, 255, .75);
  opacity: 0;
  pointer-events: none;
  z-index: 10;
  transform: translateY(-50%);
  transition: opacity .35s var(--ease);
  will-change: top;
}

.portrait.xray-active .xray-beam {
  opacity: 1;
  animation: xrayBeamSweep 3.6s cubic-bezier(.45, .05, .55, .95) infinite alternate;
}

.hud-reticle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 52px;
  height: 52px;
  border: 1px dashed rgba(0, 229, 255, .55);
  border-radius: 50%;
  pointer-events: none;
  animation: spin 16s linear infinite;
  box-shadow: 0 0 12px rgba(0, 229, 255, .3);
}

.hud-reticle::before, .hud-reticle::after {
  content: '';
  position: absolute;
  background: rgba(0, 229, 255, .8);
}

.hud-reticle::before {
  top: 50%;
  left: -12px;
  right: -12px;
  height: 1px;
  transform: translateY(-50%);
}

.hud-reticle::after {
  left: 50%;
  top: -12px;
  bottom: -12px;
  width: 1px;
  transform: translateX(-50%);
}

/* Interactive manual detector positioning (mouse move / drag) */
.portrait.xray-manual .photo-xray {
  animation: none !important;
  clip-path: inset(var(--scan-y, 50%) 0 0 0) !important;
  transition: none !important;
}

.portrait.xray-manual .xray-beam {
  animation: none !important;
  top: var(--scan-y, 50%) !important;
  transition: none !important;
}

@keyframes xrayClipSweep {
  0% {
    clip-path: inset(0% 0 0 0);
  }
  100% {
    clip-path: inset(100% 0 0 0);
  }
}

@keyframes xrayBeamSweep {
  0% {
    top: 0%;
  }
  100% {
    top: 100%;
  }
}

.portrait.xray-active .portrait-ring {
  border-color: rgba(0, 229, 255, .4);
  box-shadow: 0 0 24px rgba(0, 229, 255, .25);
  animation-duration: 16s;
}

.xray-toggle-btn {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 12;
  background: rgba(8, 8, 10, .78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .16em;
  color: var(--bone-2);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  transition: all .35s var(--ease);
}

.xray-toggle-btn:hover {
  border-color: var(--accent);
  color: #fff;
  background: rgba(8, 8, 10, .92);
  box-shadow: 0 0 16px var(--accent-glow);
}

.portrait.xray-active .xray-toggle-btn {
  border-color: #00e5ff;
  color: #fff;
  background: rgba(0, 229, 255, .15);
  box-shadow: 0 0 20px rgba(0, 229, 255, .4);
}

.pulse-scan {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: ping 1.8s var(--ease-io) infinite;
}

.portrait-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--bone-3);
}

.portrait-ring {
  position: absolute;
  inset: -26px;
  border: 1px dashed var(--line);
  border-radius: 220px 220px 30px 30px;
  animation: spin 35s linear infinite;
  pointer-events: none;
}

@keyframes spin { to { transform: rotate(360deg); } }

.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 18px;
  background: rgba(16, 16, 20, .82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  border-radius: 16px;
  white-space: nowrap;
  animation: floatCard 7s ease-in-out infinite;
  will-change: transform;
  z-index: 2;
  transition: border-color .4s var(--ease), box-shadow .4s var(--ease), transform .4s var(--ease);
}

.float-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 10px 28px rgba(0, 0, 0, .45), 0 0 14px var(--accent-glow);
  transform: scale(1.05) !important;
}

.float-card .i { width: 19px; height: 19px; color: var(--accent); flex: none; transition: transform .35s var(--ease); }
.float-card:hover .i { transform: scale(1.15) rotate(6deg); }
.float-card .fc-label { font-family: var(--font-mono); font-size: .58rem; letter-spacing: .14em; text-transform: uppercase; color: var(--bone-3); }
.float-card .fc-value { font-size: .82rem; font-weight: 500; color: var(--bone); }

.float-card:nth-child(1) { top: 10%; left: -9%; animation-delay: 0s; }
.float-card:nth-child(2) { top: 48%; right: -11%; animation-delay: -2.3s; }
.float-card:nth-child(3) { bottom: 6%; left: -4%; animation-delay: -4.6s; }

@keyframes floatCard {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, -14px, 0); }
}

.scroll-hint {
  position: absolute;
  left: var(--gutter);
  bottom: 26px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--bone-3);
}

.scroll-hint .track { width: 52px; height: 1px; background: var(--line-strong); position: relative; overflow: hidden; }
.scroll-hint .track::after { content: ''; position: absolute; inset: 0; background: var(--accent); transform: translateX(-100%); animation: slide 2.4s var(--ease-io) infinite; }

@keyframes slide { 50%, 100% { transform: translateX(100%); } }

/* =========================================================
   10. SECTION HEADER
   ========================================================= */
.sec-head {
  position: relative;
  padding-bottom: 26px;
  margin-bottom: clamp(38px, 5.5vw, 72px);
}

/* garis bawah yang menggambar dirinya saat masuk layar */
.sec-head::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--line-strong);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 1.2s var(--ease) .15s;
}

.sec-head.in::after { transform: scaleX(1); }

/* nomor + label dijadikan satu baris supaya selalu sejajar */
.sec-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(12px, 1.6vw, 20px);
}

.sec-n {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.sec-dash {
  width: clamp(24px, 4vw, 52px);
  height: 1px;
  background: var(--line-strong);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .8s var(--ease) .1s;
}

.sec-head.in .sec-dash { transform: scaleX(1); }

.sec-tag {
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--bone-3);
}

.sec-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 5.2vw, 4.2rem);
  line-height: .98;
  letter-spacing: -.02em;
}

.sec-title em { font-style: italic; color: var(--accent); }

/* =========================================================
   11. ABOUT
   ========================================================= */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(32px, 5vw, 76px);
  align-items: start;
}

.about-body p {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.85;
  color: var(--bone-2);
}

.about-body p + p { margin-top: 1.3em; }
.about-body p:first-child::first-letter {
  font-family: var(--font-display);
  float: left;
  font-size: 3.6em;
  line-height: .78;
  padding: .06em .12em 0 0;
  color: var(--bone);
}

.about-info {
  margin-top: clamp(30px, 4vw, 46px);
  border-top: 1px solid var(--line);
}

.about-info .row {
  display: grid;
  grid-template-columns: 34% 1fr;
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
  align-items: baseline;
}

.about-info .k {
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--bone-3);
}

.about-info .v { font-size: .93rem; }

.highlights { display: grid; gap: 14px; }

.hl-card {
  position: relative;
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, .022), transparent);
  overflow: hidden;
  transform-style: preserve-3d;
  transition: border-color .45s var(--ease), transform .5s var(--ease);
}

.hl-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .5s var(--ease);
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(255, 77, 23, .1), transparent 62%);
  pointer-events: none;
}

.hl-card:hover { border-color: var(--line-strong); }
.hl-card:hover::before { opacity: 1; }

.hl-head { display: flex; align-items: center; gap: 13px; margin-bottom: 11px; }
.hl-card .i { width: 21px; height: 21px; color: var(--accent); flex: none; }
.hl-title { font-size: 1rem; font-weight: 500; letter-spacing: -.01em; }
.hl-desc { font-size: .87rem; color: var(--bone-3); line-height: 1.75; }

/* =========================================================
   12. SKILLS
   ========================================================= */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.skill-card {
  position: relative;
  background: var(--ink-900);
  padding: clamp(24px, 3vw, 36px);
  overflow: hidden;
  transition: background .45s var(--ease);
}

.skill-card::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: 50% 100%;
  transition: transform .5s var(--ease);
}

.skill-card:hover { background: var(--ink-850); }
.skill-card:hover::after { transform: scaleY(1); transform-origin: 50% 0; }

.skill-head { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.skill-card .i { width: 22px; height: 22px; color: var(--accent); flex: none; transition: transform .5s var(--ease); }
.skill-card:hover .i { transform: rotate(-8deg) scale(1.1); }
.skill-name { font-size: 1.02rem; font-weight: 500; letter-spacing: -.01em; }

.skill-tags { display: flex; flex-wrap: wrap; gap: 7px; }

.chip {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .02em;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 100px;
  color: var(--bone-2);
  transition: border-color .3s var(--ease), color .3s var(--ease), background .3s var(--ease);
}

.chip:hover { border-color: var(--accent); color: var(--bone); background: rgba(255, 77, 23, .07); }

/* --- marquee --- */
.marquee {
  margin-top: clamp(40px, 5vw, 70px);
  padding: 22px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
}

/* Kecepatan diatur script.js dari lebar pita (px per detik tetap),
   supaya tetap terasa berjalan berapa pun jumlah tag. */
.marquee-track {
  display: flex;
  width: max-content;
  gap: 40px;
  will-change: transform;
}

.marquee-track span {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 2.1rem);
  color: var(--bone-3);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 40px;
  transition: color .3s var(--ease);
}

.marquee-track span::after { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); flex: none; }
.marquee-track span:hover { color: var(--bone); }

/* =========================================================
   13. EDUCATION
   ========================================================= */
.edu-card {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: clamp(26px, 3.4vw, 44px);
  background: linear-gradient(180deg, rgba(255, 255, 255, .02), transparent);
  transition: border-color .45s var(--ease);
}

.edu-card + .edu-card { margin-top: 18px; }
.edu-card:hover { border-color: var(--line-strong); }

.edu-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}

.edu-inst { font-family: var(--font-display); font-size: clamp(1.4rem, 2.6vw, 2.1rem); line-height: 1.12; letter-spacing: -.015em; }
.edu-degree { color: var(--bone-2); font-size: .92rem; margin-top: 8px; }

.edu-gpa-box { text-align: right; flex: none; }
.edu-gpa { font-family: var(--font-display); font-size: clamp(2.2rem, 4vw, 3.2rem); line-height: 1; color: var(--accent); font-variant-numeric: tabular-nums; }
.edu-gpa-label, .edu-period { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .15em; text-transform: uppercase; color: var(--bone-3); margin-top: 7px; }

.edu-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--bone-2);
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 100px;
}

.tagline .i { width: 14px; height: 14px; color: var(--accent-3); }

.edu-thesis {
  margin-top: 24px;
  padding: 20px 22px;
  border-left: 2px solid var(--accent);
  background: rgba(255, 255, 255, .022);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.edu-thesis .k { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .15em; text-transform: uppercase; color: var(--bone-3); margin-bottom: 9px; }
.edu-thesis .v { font-family: var(--font-display); font-style: italic; font-size: 1.06rem; line-height: 1.6; color: var(--bone-2); }

/* =========================================================
   14. EXPERIENCE
   ========================================================= */
.tab-switcher {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 100px;
  margin-bottom: clamp(32px, 4vw, 52px);
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 10px 20px;
  border-radius: 100px;
  color: var(--bone-3);
  transition: color .35s var(--ease), background .35s var(--ease);
}

.tab-btn .i { width: 14px; height: 14px; }
.tab-btn.active { color: var(--ink-900); background: var(--bone); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.timeline { position: relative; padding-left: clamp(26px, 4vw, 44px); }

.timeline::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line);
}

.timeline::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 6px;
  width: 1px;
  height: var(--draw, 0%);
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  transition: height .18s linear;
}

.tl-item { position: relative; padding-bottom: clamp(30px, 4vw, 46px); }
.tl-item:last-child { padding-bottom: 0; }

.tl-dot {
  position: absolute;
  left: calc(-1 * clamp(26px, 4vw, 44px) + 0px);
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1px solid var(--line-strong);
  transition: background .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}

.tl-dot.on { background: var(--accent); border-color: var(--accent); }
.tl-item:hover .tl-dot, .tl-dot.on { box-shadow: 0 0 0 5px rgba(255, 77, 23, .14); }
.tl-item:hover .tl-dot { background: var(--accent); border-color: var(--accent); }

.tl-card {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  padding: clamp(20px, 2.6vw, 30px);
  transition: border-color .45s var(--ease), background .45s var(--ease), transform .45s var(--ease);
}

.tl-item:hover .tl-card { border-color: var(--line); background: rgba(255, 255, 255, .018); transform: translateX(5px); }

.tl-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 15px;
}

.tl-title { font-size: 1.14rem; font-weight: 500; letter-spacing: -.012em; }
.tl-sub { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .08em; color: var(--accent); margin-top: 6px; }

.tl-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 5px; }
.tl-meta span { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: .64rem; letter-spacing: .08em; color: var(--bone-3); white-space: nowrap; }
.tl-meta .i { width: 12px; height: 12px; }

.tl-points li {
  position: relative;
  padding-left: 19px;
  color: var(--bone-2);
  font-size: .89rem;
  line-height: 1.75;
}

.tl-points li + li { margin-top: 8px; }

.tl-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 1px;
  background: var(--accent);
}

/* =========================================================
   15. PROJECTS (daftar editorial)
   ========================================================= */
.projects-list { border-top: 1px solid var(--line); }

.proj-row {
  position: relative;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) auto;
  gap: clamp(16px, 3vw, 40px);
  align-items: start;
  padding: clamp(24px, 3vw, 36px) 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: padding .5s var(--ease);
}

.proj-row::before {
  content: '';
  position: absolute;
  inset: 0 -20px;
  background: linear-gradient(90deg, rgba(255, 77, 23, .07), transparent 65%);
  opacity: 0;
  transition: opacity .5s var(--ease);
  pointer-events: none;
}

.proj-row:hover { padding-left: 18px; }
.proj-row:hover::before { opacity: 1; }

.proj-n {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--bone-3);
  letter-spacing: .1em;
  font-variant-numeric: tabular-nums;
  /* diturunkan sedikit agar sejajar dengan tinggi huruf judul */
  padding-top: clamp(5px, .9vw, 13px);
  transition: color .4s var(--ease);
}
.proj-row:hover .proj-n { color: var(--accent); }

.proj-main { min-width: 0; }

.proj-title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 2.35rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  transition: color .4s var(--ease);
}

.proj-row:hover .proj-title { color: var(--accent); }

.proj-role { font-family: var(--font-mono); font-size: .67rem; letter-spacing: .1em; text-transform: uppercase; color: var(--bone-3); margin-top: 9px; }
.proj-desc { color: var(--bone-2); font-size: .89rem; line-height: 1.75; margin-top: 12px; max-width: 62ch; }
.proj-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 15px; }

.proj-go {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  flex: none;
  margin-top: clamp(0px, .6vw, 8px);
  transition: background .4s var(--ease), border-color .4s var(--ease), color .4s var(--ease), transform .4s var(--ease);
}

.proj-go .i { width: 16px; height: 16px; }
.proj-row:hover .proj-go { background: var(--accent); border-color: var(--accent); color: #fff; transform: rotate(45deg); }

/* =========================================================
   16. PORTFOLIO
   ========================================================= */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: clamp(26px, 3.4vw, 40px); }

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .67rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 9px 17px;
  border: 1px solid var(--line);
  border-radius: 100px;
  color: var(--bone-3);
  transition: color .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease);
}

.filter-btn .i { width: 13px; height: 13px; }
.filter-btn:hover { color: var(--bone); border-color: var(--line-strong); }
.filter-btn.active { background: var(--bone); border-color: var(--bone); color: var(--ink-900); }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.pf-item {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-800);
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform .5s var(--ease);
}

.pf-item[data-reveal] {
  opacity: 0;
  transform: none;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1s var(--ease), opacity .55s var(--ease), transform .5s var(--ease);
  transition-delay: var(--d, 0s);
}

.pf-item[data-reveal].in { opacity: 1; clip-path: inset(0 0 0 0); }

.pf-item img, .pf-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease), filter .6s var(--ease);
  filter: grayscale(.4) brightness(.85);
}

.pf-item:hover img, .pf-item:hover video { transform: scale(1.07); filter: grayscale(0) brightness(1); }

.pf-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  background: linear-gradient(0deg, rgba(8, 8, 10, .92) 0%, rgba(8, 8, 10, .35) 45%, transparent 75%);
  transform: translateY(22%);
  opacity: 0;
  transition: transform .55s var(--ease), opacity .45s var(--ease);
}

.pf-item:hover .pf-overlay { transform: translateY(0); opacity: 1; }

.pf-cat { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .15em; text-transform: uppercase; color: var(--accent); margin-bottom: 7px; }
.pf-title { font-family: var(--font-display); font-size: 1.24rem; line-height: 1.2; }
.pf-count { font-family: var(--font-mono); font-size: .62rem; color: var(--bone-3); margin-top: 7px; }

.pf-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: clamp(50px, 8vw, 90px) 20px;
  border: 1px dashed var(--line);
  border-radius: var(--r-md);
  color: var(--bone-3);
}

.pf-empty .i { width: 30px; height: 30px; margin: 0 auto 16px; color: var(--bone-3); }
.pf-empty p { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; }

/* =========================================================
   17. CERTIFICATIONS
   ========================================================= */
.certs-list { border-top: 1px solid var(--line); }

.cert-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: clamp(14px, 2.4vw, 28px);
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  transition: padding .45s var(--ease), background .45s var(--ease);
}

.cert-row:hover { padding-left: 14px; background: rgba(255, 255, 255, .016); }

.cert-ico {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--accent);
  transition: border-color .4s var(--ease), background .4s var(--ease);
}

.cert-ico .i { width: 19px; height: 19px; }
.cert-row:hover .cert-ico { border-color: var(--accent); background: rgba(255, 77, 23, .08); }

.cert-name { font-size: 1rem; font-weight: 450; letter-spacing: -.01em; line-height: 1.45; }
.cert-issuer { font-size: .82rem; color: var(--bone-3); margin-top: 5px; }
.cert-year { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .08em; color: var(--bone-3); text-align: right; white-space: nowrap; }

/* =========================================================
   18. AWARDS
   ========================================================= */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(258px, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.award-card {
  position: relative;
  background: var(--ink-900);
  padding: clamp(24px, 3vw, 32px);
  min-height: 190px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background .45s var(--ease);
}

.award-card:hover { background: var(--ink-850); }

.award-card .i { width: 24px; height: 24px; color: var(--accent); margin-bottom: 18px; transition: transform .5s var(--ease); }
.award-card:hover .i { transform: translateY(-3px) scale(1.08); }

.award-title { font-size: 1.02rem; font-weight: 500; line-height: 1.4; letter-spacing: -.012em; }
.award-org { font-size: .82rem; color: var(--bone-3); margin-top: 9px; line-height: 1.6; flex: 1; }
.award-year { font-family: var(--font-mono); font-size: .64rem; letter-spacing: .1em; color: var(--bone-2); margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line-soft); }

/* =========================================================
   19. CONTACT + FOOTER
   ========================================================= */
.contact-headline {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 8vw, 7rem);
  line-height: .95;
  letter-spacing: -.03em;
  margin-bottom: 18px;
}

.contact-headline em { font-style: italic; color: var(--accent); }
.contact-note { color: var(--bone-3); max-width: 46ch; margin-bottom: clamp(34px, 5vw, 56px); }

.contact-list { border-top: 1px solid var(--line); }

.contact-row {
  display: grid;
  grid-template-columns: 26px 120px minmax(0, 1fr) 40px;
  gap: 16px;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  transition: padding .45s var(--ease);
}

.contact-row:hover { padding-left: 14px; }
.contact-row > .i { width: 18px; height: 18px; color: var(--bone-3); transition: color .4s var(--ease); }
.contact-row:hover > .i { color: var(--accent); }

.contact-k { font-family: var(--font-mono); font-size: .64rem; letter-spacing: .16em; text-transform: uppercase; color: var(--bone-3); }
.contact-v { font-size: clamp(.95rem, 1.8vw, 1.22rem); font-weight: 400; overflow: hidden; text-overflow: ellipsis; transition: color .4s var(--ease); }
.contact-row:hover .contact-v { color: var(--accent); }
.contact-go { justify-self: end; color: var(--bone-3); transition: transform .45s var(--ease), color .4s var(--ease); }
.contact-go .i { width: 16px; height: 16px; }
.contact-row:hover .contact-go { transform: translate(4px, -4px); color: var(--accent); }

.footer {
  border-top: 1px solid var(--line);
  padding: 34px 0;
  position: relative;
  z-index: 1;
}

.footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .1em;
  color: var(--bone-3);
}

.footer a:hover { color: var(--bone); }

/* =========================================================
   20. BACK TO TOP & SCROLL PROGRESS RING
   ========================================================= */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(16, 16, 20, .85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: var(--bone);
  opacity: 0;
  transform: translateY(16px) scale(.9);
  pointer-events: none;
  z-index: 1150;
  transition: opacity .4s var(--ease), transform .4s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}

.back-to-top.show { opacity: 1; transform: none; pointer-events: auto; }
.back-to-top:hover {
  border-color: var(--accent);
  box-shadow: 0 0 22px var(--accent-glow);
  transform: scale(1.08);
}
.back-to-top .progress-ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
  pointer-events: none;
}
.back-to-top .ring-bg {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 2.2;
}
.back-to-top .ring-fill {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-dasharray: 119.38;
  stroke-dashoffset: 119.38;
  transition: stroke-dashoffset .12s linear;
}
.back-to-top .btt-icon {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
}
.back-to-top .i { width: 17px; height: 17px; transition: transform .3s var(--ease); }
.back-to-top:hover .i { transform: translateY(-2px); color: var(--accent); }

.footer-secret {
  cursor: pointer;
  display: inline-block;
  color: var(--bone-3);
  padding: 0 4px;
  transition: color .3s;
}
.footer-secret:hover { color: var(--accent); }

/* =========================================================
   21. LIGHTBOX & MODAL
   ========================================================= */
.lightbox, .modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9500;
  background: rgba(4, 4, 6, .93);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 48px);
}

.lightbox.active, .modal-overlay.active { display: flex; animation: fadeIn .35s var(--ease); }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.lightbox-content img, .lightbox-content video {
  max-width: min(92vw, 1200px);
  max-height: 82vh;
  object-fit: contain;
  border-radius: var(--r-sm);
  animation: pop .45s var(--ease);
}

@keyframes pop { from { opacity: 0; transform: scale(.94); } to { opacity: 1; transform: none; } }

.lightbox-info {
  position: absolute;
  left: 0;
  right: 0;
  bottom: clamp(16px, 4vw, 40px);
  text-align: center;
}

.lightbox-title { font-family: var(--font-display); font-size: 1.3rem; }
.lightbox-cat { font-family: var(--font-mono); font-size: .64rem; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin-top: 6px; }

.lightbox-close, .modal-close {
  position: absolute;
  top: clamp(16px, 3vw, 32px);
  right: clamp(16px, 3vw, 32px);
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--bone-2);
  transition: background .35s var(--ease), color .35s var(--ease), transform .35s var(--ease);
}

.lightbox-close:hover, .modal-close:hover { background: var(--bone); color: var(--ink-900); transform: rotate(90deg); }
.lightbox-close .i, .modal-close .i { width: 17px; height: 17px; }

.modal-box {
  position: relative;
  width: 100%;
  max-width: 880px;
  max-height: 86vh;
  background: var(--ink-850);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: pop .45s var(--ease);
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--line);
}

.modal-head h3 { font-family: var(--font-display); font-size: 1.6rem; font-weight: 400; letter-spacing: -.02em; }
.modal-head .modal-close { position: static; width: 38px; height: 38px; flex: none; }
.modal-body { padding: 26px 28px; overflow-y: auto; }

.pd-cat { font-family: var(--font-mono); font-size: .64rem; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.pd-desc { color: var(--bone-2); line-height: 1.8; margin-bottom: 22px; }

.pd-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }

.pd-thumb {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--r-sm);
  overflow: hidden;
  border: 1px solid var(--line);
  cursor: pointer;
}

.pd-thumb img, .pd-thumb video { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.pd-thumb:hover img, .pd-thumb:hover video { transform: scale(1.08); }

.pd-thumb .play-icon {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(8, 8, 10, .45);
  color: var(--bone);
}

.pd-thumb .play-icon .i { width: 26px; height: 26px; }

.pd-date { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .1em; color: var(--bone-3); margin-top: 22px; display: flex; align-items: center; gap: 8px; }
.pd-date .i { width: 13px; height: 13px; }

/* =========================================================
   22. TOAST
   ========================================================= */
.toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translate(-50%, 24px);
  z-index: 9700;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 13px 22px;
  background: var(--ink-750);
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: .84rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}

.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.error { border-color: rgba(255, 77, 23, .5); }
.toast .i { width: 16px; height: 16px; color: var(--accent-3); }
.toast.error .i { color: var(--accent); }

/* =========================================================
   23. ANIMASI REVEAL MODERN & FLUID (120 FPS HARDWARE ACCELERATED)
   ========================================================= */
/* Reveal modern: cubic-bezier spring-like decay tanpa layout shifts */
[data-reveal] {
  opacity: 0;
  transform: translate3d(0, 32px, 0);
  transition: opacity .8s cubic-bezier(.16, 1, .3, 1), transform .8s cubic-bezier(.16, 1, .3, 1);
  transition-delay: var(--d, 0s);
  will-change: opacity, transform;
}

[data-reveal].in {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* Stagger cascade tenang & berjarak elegan */
.skills-grid > *:nth-child(1) { --d: .05s; }
.skills-grid > *:nth-child(2) { --d: .10s; }
.skills-grid > *:nth-child(3) { --d: .15s; }
.skills-grid > *:nth-child(4) { --d: .20s; }
.skills-grid > *:nth-child(5) { --d: .25s; }
.skills-grid > *:nth-child(6) { --d: .30s; }

.highlights > *:nth-child(1) { --d: .06s; }
.highlights > *:nth-child(2) { --d: .12s; }
.highlights > *:nth-child(3) { --d: .18s; }
.highlights > *:nth-child(4) { --d: .24s; }

.awards-grid > *:nth-child(1) { --d: .06s; }
.awards-grid > *:nth-child(2) { --d: .12s; }
.awards-grid > *:nth-child(3) { --d: .18s; }
.awards-grid > *:nth-child(4) { --d: .24s; }

.portfolio-grid > *:nth-child(1) { --d: .05s; }
.portfolio-grid > *:nth-child(2) { --d: .10s; }
.portfolio-grid > *:nth-child(3) { --d: .15s; }
.portfolio-grid > *:nth-child(4) { --d: .20s; }
.portfolio-grid > *:nth-child(5) { --d: .25s; }
.portfolio-grid > *:nth-child(6) { --d: .30s; }

.projects-list > *:nth-child(1) { --d: .06s; }
.projects-list > *:nth-child(2) { --d: .12s; }
.projects-list > *:nth-child(3) { --d: .18s; }
.projects-list > *:nth-child(4) { --d: .24s; }

/* Spotlight Universal Effect (Linear/Raycast style) */
.spotlight, .hl-card, .skill-card, .proj-row, .award-card, .edu-card, .pf-item {
  position: relative;
  overflow: hidden;
}

.spotlight::before, .hl-card::before, .skill-card::before, .award-card::before, .edu-card::before, .proj-row::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .4s var(--ease);
  background: radial-gradient(380px circle at var(--mx, 50%) var(--my, 50%), rgba(255, 77, 23, .08), transparent 65%);
  pointer-events: none;
  z-index: 1;
  border-radius: inherit;
}

.spotlight:hover::before, .hl-card:hover::before, .skill-card:hover::before, .award-card:hover::before, .edu-card:hover::before, .proj-row:hover::before {
  opacity: 1;
}

.hl-card > *, .skill-card > *, .award-card > *, .edu-card > *, .proj-row > * {
  position: relative;
  z-index: 2;
}

.i-emoji { font-size: 1.05em; line-height: 1; font-style: normal; }
.i { flex: none; }

/* =========================================================
   23b. SMOOTH SCROLL CONTAINER
   Tidak memakai skewY agar browser tidak re-rasterize setiap frame.
   ========================================================= */
#smooth-wrap > main {
  position: relative;
}

/* =========================================================
   23c. KARTU 3D
   ========================================================= */
.highlights, .awards-grid, .portfolio-grid { perspective: 1100px; }

/* =========================================================
   23d. RAIL PENANDA SECTION
   ========================================================= */
.rail {
  position: fixed;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1120;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-end;
}

.rail button {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 2px;
  color: var(--bone-3);
}

.rail-label {
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity .35s var(--ease), transform .35s var(--ease), color .35s var(--ease);
  white-space: nowrap;
}

.rail-dot {
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--line-strong);
  transition: width .45s var(--ease), background .45s var(--ease);
}

.rail button:hover .rail-label { opacity: 1; transform: none; }
.rail button:hover .rail-dot { width: 32px; background: var(--bone-2); }
.rail button.on .rail-dot { width: 40px; background: var(--accent); }
.rail button.on .rail-label { opacity: 1; transform: none; color: var(--bone); }

/* =========================================================
   23e. INDIKATOR MENU YANG MELUNCUR
   ========================================================= */
.nav-links { position: relative; }

.nav-ind {
  position: absolute;
  top: 50%;
  left: 0;
  height: 28px;
  width: 0;
  margin-top: -14px;
  border-radius: 100px;
  background: rgba(243, 240, 234, .07);
  opacity: 0;
  pointer-events: none;
  transition: transform .45s var(--ease), width .45s var(--ease), opacity .3s var(--ease);
}

.nav-ind.on { opacity: 1; }

/* =========================================================
   23g. WATERMARK SECTION NUMERALS (PARALLAX SCROLL)
   ========================================================= */
.sec-watermark {
  position: absolute;
  right: max(16px, 3.5vw);
  top: clamp(10px, 3vw, 40px);
  font-family: var(--font-display);
  font-size: clamp(6.5rem, 16vw, 15rem);
  line-height: .75;
  color: var(--bone);
  opacity: .028;
  pointer-events: none;
  user-select: none;
  font-style: italic;
  font-variant-numeric: tabular-nums;
  z-index: 0;
  will-change: transform;
  transition: opacity .6s var(--ease);
}

/* =========================================================
   23h. THEME ACCENT SWITCHER
   ========================================================= */
.theme-switcher {
  position: fixed;
  left: 24px;
  bottom: 24px;
  z-index: 1100;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--card-glass, rgba(16, 16, 20, .85));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  border-radius: 100px;
  box-shadow: var(--card-shadow, 0 10px 30px rgba(0, 0, 0, .45));
  transition: transform .35s var(--ease), border-color .35s var(--ease), opacity .4s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease);
}

.theme-switcher:hover {
  border-color: var(--line-strong);
  box-shadow: var(--card-shadow-hover, 0 12px 34px rgba(0, 0, 0, .55));
}

.theme-mode-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 100px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .04);
  color: var(--bone-2);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .56rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  transition: all .25s var(--ease);
}

.theme-mode-pill:hover {
  border-color: var(--line-strong);
  color: var(--bone);
  background: rgba(255, 255, 255, .08);
  box-shadow: 0 0 10px var(--accent-glow);
}

.theme-mode-icon {
  width: 13px;
  height: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.theme-mode-icon svg {
  width: 13px;
  height: 13px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
}

.theme-divider {
  width: 1px;
  height: 14px;
  background: var(--line);
  margin: 0 2px;
}

.theme-label {
  font-family: var(--font-mono);
  font-size: .56rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--bone-3);
  margin-right: 2px;
  padding-left: 2px;
}

.theme-dot {
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--dot-color);
  cursor: pointer;
  position: relative;
  border: 2px solid transparent;
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.theme-dot:hover {
  transform: scale(1.24);
}

.theme-dot.active {
  border-color: #fff;
  transform: scale(1.15);
  box-shadow: 0 0 12px var(--dot-color);
}

/* =========================================================
   23i. MODAL AKSES PEMILIK (SECRET OWNER PORTAL)
   ========================================================= */
.owner-box {
  max-width: 460px;
  background: var(--ink-850);
  border: 1px solid var(--line-strong);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .75), 0 0 30px var(--accent-glow);
}

.owner-head-title {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.owner-badge {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: .58rem;
  letter-spacing: .16em;
  color: var(--accent);
  background: rgba(255, 77, 23, .12);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid rgba(255, 77, 23, .3);
  display: inline-block;
}

.owner-body {
  padding: 24px 28px 30px;
}

.owner-note {
  font-size: .88rem;
  color: var(--bone-2);
  margin-bottom: 20px;
  line-height: 1.6;
}

.owner-input-wrap {
  display: flex;
  gap: 10px;
}

.owner-input-wrap input {
  flex: 1;
  background: var(--ink-900);
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  padding: 13px 20px;
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: .88rem;
  outline: none;
  transition: border-color .3s, box-shadow .3s;
}

.owner-input-wrap input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow);
}

.owner-go-btn {
  padding: 13px 24px;
  white-space: nowrap;
}

.owner-err {
  font-family: var(--font-mono);
  font-size: .74rem;
  color: #ff5252;
  margin-top: 12px;
  min-height: 18px;
}

/* =========================================================
   23j. TIMELINE LASER PULSE & CARD INTERACTIVE SPECULAR
   ========================================================= */
.timeline::before {
  box-shadow: 0 0 12px var(--accent-glow);
}

.tl-dot {
  position: relative;
}

.tl-dot.on {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow);
}

.tl-dot.on::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  animation: ping 2.2s var(--ease-io) infinite;
}

.hl-card, .skill-card, .proj-row, .award-card, .cert-row, .pf-item {
  transition: transform .45s var(--ease), border-color .45s var(--ease), box-shadow .45s var(--ease);
}

.hl-card:hover, .skill-card:hover, .award-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .4), 0 0 18px var(--accent-glow);
}



/* =========================================================
   24. RESPONSIF
   ========================================================= */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { order: -1; justify-content: flex-start; }
  .portrait-wrap { width: min(100%, 290px); }
  .float-card:nth-child(1) { left: calc(100% + 18px); right: auto; top: 6%; }
  .float-card:nth-child(2) { left: calc(100% + 18px); right: auto; top: 44%; }
  .float-card:nth-child(3) { left: calc(100% + 18px); right: auto; bottom: 6%; }
  .about-grid { grid-template-columns: 1fr; }
  .scroll-hint { display: none; }
  .rail { display: none; }
}

@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    inset: 0 0 auto;
    top: 0;
    height: 100svh;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    background: rgba(8, 8, 10, .97);
    backdrop-filter: blur(20px);
    clip-path: circle(0 at calc(100% - 44px) 34px);
    transition: clip-path .7s var(--ease);
    pointer-events: none;
  }

  .nav-links.open { clip-path: circle(150% at calc(100% - 44px) 34px); pointer-events: auto; }
  .nav-links a { font-size: 1.05rem; letter-spacing: .06em; padding: 12px 20px; }
  .nav-links a::after { display: none; }
  .hamburger { display: grid; z-index: 2; }
  .navbar .container { gap: 12px; }
}

@media (max-width: 760px) {
  .proj-row { grid-template-columns: 40px minmax(0, 1fr); }
  .proj-go { display: none; }
  .cert-row { grid-template-columns: 38px minmax(0, 1fr); }
  .cert-ico { width: 38px; height: 38px; }
  .cert-year { grid-column: 2; text-align: left; margin-top: 8px; }
  .contact-row { grid-template-columns: 22px minmax(0, 1fr) 30px; }
  .contact-k { display: none; }
  .tl-top { flex-direction: column; }
  .tl-meta { align-items: flex-start; flex-direction: row; gap: 14px; flex-wrap: wrap; }
  .edu-top { flex-direction: column; }
  .edu-gpa-box { text-align: left; display: flex; align-items: baseline; gap: 12px; }
  .edu-gpa-label, .edu-period { margin-top: 0; }
  .float-card { display: none; }
  .portrait-wrap { width: min(100%, 250px); }
  .portrait-ring { inset: -14px; }
  .about-info .row { grid-template-columns: 1fr; gap: 4px; }
}

@media (max-width: 480px) {
  .hero-stats { gap: 22px; }
  .stat-item { min-width: 70px; }
  .back-to-top { right: 16px; bottom: 16px; width: 42px; height: 42px; }
}

/* =========================================================
   24. LIGHT MODE COMPREHENSIVE COMPONENT STYLES
   ========================================================= */
body[data-mode="light"] {
  background: var(--ink-900);
  color: var(--bone);
}

body[data-mode="light"] .grain {
  opacity: .016;
}

body[data-mode="light"] .aurora span {
  opacity: .28;
  filter: blur(100px);
}

body[data-mode="light"] .nav-links {
  background: var(--nav-bg);
}

body[data-mode="light"] .hl-card,
body[data-mode="light"] .edu-card,
body[data-mode="light"] .skill-card,
body[data-mode="light"] .contact-card,
body[data-mode="light"] .float-card,
body[data-mode="light"] .proj-row,
body[data-mode="light"] .exp-item,
body[data-mode="light"] .owner-box,
body[data-mode="light"] .portfolio-modal,
body[data-mode="light"] .tagline {
  background: #ffffff;
  border-color: rgba(15, 23, 42, .08);
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, .05), 0 1px 3px rgba(15, 23, 42, .03);
}

body[data-mode="light"] .hl-card:hover,
body[data-mode="light"] .edu-card:hover,
body[data-mode="light"] .skill-card:hover,
body[data-mode="light"] .contact-card:hover,
body[data-mode="light"] .proj-row:hover {
  box-shadow: 0 14px 34px -4px rgba(15, 23, 42, .10), 0 2px 6px rgba(15, 23, 42, .04);
  border-color: rgba(15, 23, 42, .16);
}

body[data-mode="light"] .edu-thesis {
  background: rgba(15, 23, 42, .035);
}

body[data-mode="light"] .cert-row:hover {
  background: rgba(15, 23, 42, .025);
}

body[data-mode="light"] .filter-btn {
  background: #ffffff;
  border-color: rgba(15, 23, 42, .1);
  color: var(--bone-2);
}

body[data-mode="light"] .filter-btn:hover {
  border-color: var(--accent);
  color: var(--bone);
}

body[data-mode="light"] .filter-btn.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

body[data-mode="light"] .btn-ghost {
  background: #ffffff;
  border-color: rgba(15, 23, 42, .14);
  color: var(--bone);
}

body[data-mode="light"] .btn-ghost:hover {
  background: rgba(15, 23, 42, .04);
  border-color: var(--accent);
}

body[data-mode="light"] .footer {
  background: #f1f5f9;
  border-top-color: rgba(15, 23, 42, .08);
}

body[data-mode="light"] .theme-switcher {
  background: rgba(255, 255, 255, .92);
  border-color: rgba(15, 23, 42, .12);
  box-shadow: 0 10px 30px rgba(15, 23, 42, .08);
}

body[data-mode="light"] .theme-dot.active {
  border-color: #0f172a;
}

body[data-mode="light"] .theme-mode-pill {
  background: rgba(15, 23, 42, .05);
  border-color: rgba(15, 23, 42, .1);
  color: var(--bone);
}

body[data-mode="light"] .theme-mode-pill:hover {
  background: rgba(15, 23, 42, .09);
  border-color: rgba(15, 23, 42, .2);
}

body[data-mode="light"] .mode-toggle-btn {
  background: #ffffff;
  border-color: rgba(15, 23, 42, .12);
  color: var(--bone-2);
  box-shadow: 0 2px 8px rgba(15, 23, 42, .04);
}

body[data-mode="light"] .mode-toggle-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow);
}

body[data-mode="light"] .owner-input-wrap input {
  background: #ffffff;
  border-color: rgba(15, 23, 42, .15);
  color: #0f172a;
}

body[data-mode="light"] .back-to-top {
  background: #ffffff;
  border-color: rgba(15, 23, 42, .12);
  color: var(--bone);
  box-shadow: 0 8px 24px rgba(15, 23, 42, .08);
}

body[data-mode="light"] .modal-overlay {
  background: rgba(15, 23, 42, .5);
  backdrop-filter: blur(12px);
}

body[data-mode="light"] .portrait:not(.xray-active) {
  border-color: rgba(15, 23, 42, .12);
  box-shadow: 0 20px 50px -10px rgba(15, 23, 42, .14);
}