/* ============================================================
   Thoha Firdaus — tema "laboratorium kosmik"
   ============================================================ */

:root {
  --bg: #05070f;
  --bg-2: #080c1a;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --line: rgba(160, 175, 215, 0.14);
  --line-strong: rgba(160, 175, 215, 0.28);
  --ink: #eaf0ff;
  --muted: #9aa6c6;
  --dim: #66728f;
  --cyan: #2ee6c5;
  --violet: #8ef0a8;
  --amber: #ffb547;
  --pink: #e4f76b;
  --grad: linear-gradient(100deg, var(--cyan) 0%, var(--violet) 55%, var(--pink) 100%);
  --radius: 22px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  margin: 0;
  letter-spacing: -0.035em;
}

p {
  margin: 0;
}

::selection {
  background: var(--cyan);
  color: #05070f;
}

.container {
  width: min(1200px, 100% - 32px);
  margin-inline: auto;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

.muted {
  color: var(--muted);
}

.accent {
  color: var(--cyan);
}

.center {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.gradient-text {
  background: var(--grad);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-shift 8s linear infinite;
}

@keyframes gradient-shift {
  to {
    background-position: 200% center;
  }
}

/* ---------- Latar global ---------- */

.starfield {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1px 1px at 12% 18%, rgba(255, 255, 255, 0.7), transparent 60%),
    radial-gradient(1px 1px at 72% 34%, rgba(255, 255, 255, 0.5), transparent 60%),
    radial-gradient(1.5px 1.5px at 38% 72%, rgba(255, 255, 255, 0.6), transparent 60%),
    radial-gradient(1px 1px at 88% 82%, rgba(255, 255, 255, 0.5), transparent 60%),
    radial-gradient(1px 1px at 22% 92%, rgba(255, 255, 255, 0.4), transparent 60%),
    radial-gradient(1.5px 1.5px at 58% 8%, rgba(255, 255, 255, 0.55), transparent 60%),
    radial-gradient(60vw 50vh at 85% 0%, rgba(142, 240, 168, 0.12), transparent 70%),
    radial-gradient(50vw 50vh at 0% 60%, rgba(46, 230, 197, 0.07), transparent 70%),
    var(--bg);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 60;
}

.scroll-progress span {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--grad);
  transform-origin: left;
  transform: scaleX(0);
  box-shadow: 0 0 12px var(--cyan);
}

.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 420px;
  height: 420px;
  margin: -210px 0 0 -210px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 230, 197, 0.09), rgba(142, 240, 168, 0.05) 40%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity 0.4s;
  will-change: transform;
}

body.has-pointer .cursor-glow {
  opacity: 1;
}

/* ---------- Navigasi ---------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: rgba(5, 7, 15, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-color: var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 0 0 1px var(--line), 0 0 24px -6px var(--cyan);
  transition: transform 0.4s var(--ease);
}

.brand:hover .brand-mark {
  transform: rotate(-8deg) scale(1.05);
}

.brand-mark img {
  width: 28px;
  height: 28px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 0.95rem;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.75rem;
}

.nav-links {
  display: none;
  gap: 4px;
  padding: 5px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.nav-links a {
  position: relative;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.25s, background 0.25s;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--ink);
  background: var(--surface-2);
}

.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 3px;
  width: 4px;
  height: 4px;
  margin-left: -2px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.btn.nav-cta {
  display: none;
}

.menu-toggle {
  display: grid;
  place-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.3s var(--ease);
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.mobile-menu {
  display: grid;
  gap: 4px;
  padding: 0 16px;
  max-height: 0;
  overflow: hidden;
  background: rgba(5, 7, 15, 0.94);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: max-height 0.45s var(--ease), padding 0.45s var(--ease);
}

.mobile-menu.is-open {
  max-height: 420px;
  padding: 8px 16px 20px;
  border-bottom: 1px solid var(--line);
}

.mobile-menu a {
  padding: 12px 14px;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  color: var(--muted);
}

.mobile-menu a:hover {
  background: var(--surface-2);
  color: var(--ink);
}

@media (min-width: 900px) {
  .nav-links,
  .btn.nav-cta {
    display: inline-flex;
  }

  .menu-toggle,
  .mobile-menu {
    display: none;
  }
}

/* ---------- Tombol ---------- */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: 0;
  transition: transform 0.35s var(--ease), box-shadow 0.35s, background 0.35s, color 0.35s;
}

.btn svg {
  width: 18px;
  height: 18px;
  transition: transform 0.35s var(--ease);
}

.btn:hover svg {
  transform: translateX(4px);
}

.btn-primary {
  color: #05070f;
  background: var(--grad);
  background-size: 160% auto;
  box-shadow: 0 10px 40px -10px rgba(46, 230, 197, 0.55);
}

.btn-primary:hover {
  background-position: right center;
  box-shadow: 0 14px 50px -8px rgba(142, 240, 168, 0.7);
}

.btn-ghost {
  color: var(--ink);
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.btn-ghost:hover {
  background: var(--surface-2);
  box-shadow: inset 0 0 0 1px var(--cyan), 0 0 30px -10px var(--cyan);
}

/* ---------- Animasi muncul ---------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(6px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease), filter 0.9s var(--ease);
  transition-delay: var(--delay, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
  filter: none;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 110px 0 80px;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 45%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 45%, #000 20%, transparent 75%);
  opacity: 0.45;
  pointer-events: none;
}

.floating-eq span {
  position: absolute;
  left: var(--x);
  top: var(--y);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: rgba(154, 166, 198, 0.35);
  pointer-events: none;
  animation: drift 14s ease-in-out infinite;
  animation-delay: var(--d);
  white-space: nowrap;
}

@keyframes drift {
  0%,
  100% {
    transform: translate(0, 0) rotate(-2deg);
  }
  50% {
    transform: translate(18px, -22px) rotate(2deg);
  }
}

.hero-inner {
  position: relative;
  display: grid;
  gap: 48px;
  align-items: center;
}

@media (min-width: 1000px) {
  .hero-inner {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  backdrop-filter: blur(8px);
}

.pulse-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

.pulse-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  animation: ping 2s var(--ease) infinite;
}

@keyframes ping {
  to {
    transform: scale(3.2);
    opacity: 0;
  }
}

.hero-title {
  margin-top: 28px;
  font-size: clamp(3.1rem, 9vw, 6.6rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.055em;
}

.hero-title-small {
  display: block;
  font-size: 0.34em;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--muted);
  margin-bottom: 0.2em;
  font-family: var(--font-mono);
}

.split-line {
  display: block;
}

.hero-title-suffix {
  font-size: 0.36em;
  letter-spacing: -0.02em;
  vertical-align: 0.9em;
  margin-left: 0.2em;
}

.hero-role {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.4vw, 1.15rem);
  color: var(--cyan);
  min-height: 1.8em;
}

.caret {
  display: inline-block;
  width: 10px;
  height: 1.2em;
  margin-left: -6px;
  background: var(--cyan);
  animation: blink 1s steps(1) infinite;
  box-shadow: 0 0 8px var(--cyan);
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.hero-lead {
  max-width: 560px;
  margin-top: 18px;
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 520px;
  margin: 44px 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.hero-stats div {
  padding: 18px 12px 18px 0;
}

.hero-stats div + div {
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.hero-stats dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
}

.hero-stats dd {
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.04em;
}

/* Foto + atom */

.hero-visual {
  position: relative;
  width: min(480px, 100%);
  aspect-ratio: 1 / 1.05;
  margin-inline: auto;
  perspective: 1000px;
}

.atom {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
}

.nucleus-glow {
  position: absolute;
  inset: 12% 10% 8%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 45%, rgba(46, 230, 197, 0.35), transparent 55%),
    radial-gradient(circle at 60% 60%, rgba(142, 240, 168, 0.4), transparent 60%);
  filter: blur(30px);
  animation: breathe 6s ease-in-out infinite;
}

@keyframes breathe {
  50% {
    transform: scale(1.08);
    opacity: 0.8;
  }
}

.orbit {
  position: absolute;
  inset: 4%;
  border-radius: 50%;
  border: 1px solid rgba(46, 230, 197, 0.35);
  transform-style: preserve-3d;
  box-shadow: 0 0 24px -6px rgba(46, 230, 197, 0.4), inset 0 0 24px -8px rgba(46, 230, 197, 0.3);
}

.orbit-1 {
  transform: rotateZ(0deg) rotateX(72deg);
}

.orbit-2 {
  transform: rotateZ(60deg) rotateX(72deg);
  border-color: rgba(142, 240, 168, 0.4);
}

.orbit-3 {
  transform: rotateZ(-60deg) rotateX(72deg);
  border-color: rgba(228, 247, 107, 0.35);
}

.orbit-spin {
  position: absolute;
  inset: -1px;
  border-radius: 50%;
  animation: spin 6s linear infinite;
}

.orbit-2 .orbit-spin {
  animation-duration: 8s;
  animation-direction: reverse;
}

.orbit-3 .orbit-spin {
  animation-duration: 10s;
}

.orbit-spin i {
  position: absolute;
  top: -6px;
  left: 50%;
  width: 12px;
  height: 12px;
  margin-left: -6px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 10px 3px var(--cyan), 0 0 30px 6px rgba(46, 230, 197, 0.6);
}

.orbit-2 .orbit-spin i {
  box-shadow: 0 0 10px 3px var(--violet), 0 0 30px 6px rgba(142, 240, 168, 0.6);
}

.orbit-3 .orbit-spin i {
  box-shadow: 0 0 10px 3px var(--pink), 0 0 30px 6px rgba(228, 247, 107, 0.6);
}

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

.ring-dashed {
  position: absolute;
  inset: -2%;
  border-radius: 50%;
  border: 1px dashed rgba(154, 166, 198, 0.2);
  animation: spin 60s linear infinite;
}

.hero-photo {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 86%;
  height: auto;
  transform: translateX(-50%);
  mask-image: linear-gradient(to bottom, #000 72%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, #000 72%, transparent 100%);
  filter: drop-shadow(0 20px 50px rgba(46, 230, 197, 0.25));
  z-index: 2;
}

.hud {
  position: absolute;
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 16px;
  border-radius: 16px;
  background: rgba(8, 12, 26, 0.7);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.8);
  animation: float 6s ease-in-out infinite;
}

.hud .mono {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.hud strong {
  font-size: 0.9rem;
}

.hud-top {
  top: 14%;
  right: -2%;
}

.hud-bottom {
  bottom: 12%;
  left: -2%;
  animation-delay: -3s;
}

.hud-bottom .mono {
  color: var(--amber);
}

@keyframes float {
  50% {
    transform: translateY(-12px);
  }
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 24px;
  width: 26px;
  height: 42px;
  margin-left: -13px;
  border-radius: 999px;
  border: 1.5px solid var(--line-strong);
}

.scroll-hint span {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 4px;
  height: 8px;
  margin-left: -2px;
  border-radius: 2px;
  background: var(--cyan);
  animation: scroll-dot 1.8s var(--ease) infinite;
}

@keyframes scroll-dot {
  to {
    transform: translateY(16px);
    opacity: 0;
  }
}

/* ---------- Marquee ---------- */

.marquee {
  position: relative;
  overflow: hidden;
  padding: 22px 0;
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 36px;
  width: max-content;
  animation: marquee 40s linear infinite;
}

.marquee-track span {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.4vw, 1.4rem);
  color: var(--muted);
  white-space: nowrap;
}

.marquee-track i {
  font-style: normal;
  color: var(--cyan);
  font-size: 0.8rem;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ---------- Section umum ---------- */

.section {
  position: relative;
  padding: clamp(80px, 12vw, 140px) 0;
}

.section-alt {
  background: linear-gradient(180deg, transparent, rgba(142, 240, 168, 0.035) 30%, rgba(46, 230, 197, 0.025) 70%, transparent);
}

.section-head {
  max-width: 760px;
  margin-bottom: 56px;
}

.section-head-row {
  max-width: none;
  display: grid;
  gap: 24px;
  align-items: end;
}

@media (min-width: 900px) {
  .section-head-row {
    grid-template-columns: 1.3fr 0.7fr;
  }
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.kicker span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(46, 230, 197, 0.4);
  letter-spacing: 0;
  font-size: 0.72rem;
}

.section-title {
  margin-top: 18px;
  font-size: clamp(2.1rem, 5.2vw, 3.6rem);
  font-weight: 700;
  line-height: 1.05;
}

.section-title em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-lead {
  margin-top: 20px;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--muted);
}

#publication-summary {
  margin-top: 16px;
}

/* Kartu dengan efek sorot mengikuti kursor */

.card {
  position: relative;
  padding: 28px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color 0.4s, transform 0.5s var(--ease), background 0.4s;
}

.spotlight {
  --mx: 50%;
  --my: 50%;
}

.spotlight::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(360px circle at var(--mx) var(--my), rgba(46, 230, 197, 0.1), transparent 45%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

.spotlight:hover::before {
  opacity: 1;
}

.card:hover {
  border-color: var(--line-strong);
  transform: translateY(-4px);
}

.card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.card p {
  margin-top: 10px;
  color: var(--muted);
}

.card a {
  color: var(--cyan);
  text-decoration: none;
}

.card a:hover {
  text-decoration: underline;
}

.card-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 14px;
  color: var(--cyan);
  background: rgba(46, 230, 197, 0.08);
  border: 1px solid rgba(46, 230, 197, 0.25);
}

.card-icon svg {
  width: 22px;
  height: 22px;
}

/* ---------- Profil ---------- */

.about-grid {
  display: grid;
  gap: 56px;
  align-items: center;
}

@media (min-width: 1000px) {
  .about-grid {
    grid-template-columns: 0.8fr 1.2fr;
  }
}

.frame {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  aspect-ratio: 4 / 5;
  max-width: 460px;
  margin-inline: auto;
}

.frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
  transition: transform 1.2s var(--ease);
}

.frame:hover img {
  transform: scale(1.05);
}

.frame-scan {
  position: absolute;
  left: 0;
  right: 0;
  height: 30%;
  top: -30%;
  background: linear-gradient(180deg, transparent, rgba(46, 230, 197, 0.18), transparent);
  animation: scan 5s var(--ease) infinite;
  pointer-events: none;
}

@keyframes scan {
  to {
    top: 110%;
  }
}

.corner {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 2px solid var(--cyan);
  z-index: 2;
}

.corner.tl {
  top: 14px;
  left: 14px;
  border-right: 0;
  border-bottom: 0;
}

.corner.tr {
  top: 14px;
  right: 14px;
  border-left: 0;
  border-bottom: 0;
}

.corner.bl {
  bottom: 14px;
  left: 14px;
  border-right: 0;
  border-top: 0;
}

.corner.br {
  bottom: 14px;
  right: 14px;
  border-left: 0;
  border-top: 0;
}

.frame-caption {
  margin-top: 14px;
  text-align: center;
  color: var(--dim);
}

.info-grid {
  display: grid;
  gap: 16px;
  margin-top: 36px;
}

@media (min-width: 640px) {
  .info-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- Pendidikan (lintasan) ---------- */

.trajectory {
  position: relative;
  height: 170px;
  margin-bottom: 8px;
  display: none;
}

@media (min-width: 800px) {
  .trajectory {
    display: block;
  }
}

.trajectory-path {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.trajectory-guide {
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
  stroke-dasharray: 4 6;
  vector-effect: non-scaling-stroke;
}

.trajectory-line {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  filter: drop-shadow(0 0 6px var(--cyan));
  transition: stroke-dashoffset 2.2s var(--ease) 0.3s;
}

.trajectory.is-visible .trajectory-line {
  stroke-dashoffset: 0;
}

.trajectory-node {
  position: absolute;
  left: var(--left);
  top: var(--top);
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 16px var(--cyan);
  transform: scale(0);
  transition: transform 0.6s var(--ease);
}

.trajectory.is-visible .trajectory-node {
  transform: scale(1);
}

.trajectory.is-visible .trajectory-node:nth-of-type(1) {
  transition-delay: 0.7s;
}

.trajectory.is-visible .trajectory-node:nth-of-type(2) {
  transition-delay: 1.3s;
}

.trajectory.is-visible .trajectory-node:nth-of-type(3) {
  transition-delay: 1.9s;
}

.trajectory-label {
  position: absolute;
  right: 0;
  top: 0;
  color: var(--dim);
}

.edu-grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 800px) {
  .edu-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.edu-degree {
  position: absolute;
  right: 18px;
  top: 6px;
  font-family: var(--font-display);
  font-size: 4.5rem;
  font-weight: 800;
  letter-spacing: -0.06em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(46, 230, 197, 0.28);
  transition: -webkit-text-stroke-color 0.4s;
}

.edu-card:hover .edu-degree {
  -webkit-text-stroke-color: var(--cyan);
}

.edu-year {
  display: block;
  color: var(--amber);
  margin-bottom: 40px;
}

/* ---------- Riset ---------- */

.research-layout {
  display: grid;
  gap: 20px;
}

@media (min-width: 1000px) {
  .research-layout {
    grid-template-columns: 1.35fr 0.65fr;
  }
}

.chart-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
}

.chart-head .mono {
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.chart-head h3 {
  margin-top: 6px;
  font-size: 1.35rem;
}

.legend {
  display: flex;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--muted);
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.legend-bar {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: linear-gradient(var(--cyan), var(--violet));
}

.legend-line {
  width: 16px;
  height: 2px;
  background: var(--amber);
  box-shadow: 0 0 6px var(--amber);
}

.chart {
  position: relative;
  margin-top: 28px;
}

.chart svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.chart-loading {
  padding: 60px 0;
  text-align: center;
  color: var(--dim);
}

.chart .bar {
  fill: url(#bar-grad);
  transform-box: fill-box;
  transform-origin: bottom;
  transform: scaleY(0);
  transition: transform 1s var(--ease);
}

.chart.is-drawn .bar {
  transform: scaleY(1);
}

.chart .bar-hit:hover + .bar,
.chart .bar:hover {
  filter: drop-shadow(0 0 8px var(--cyan));
}

.chart .cite-line {
  fill: none;
  stroke: var(--amber);
  stroke-width: 2.5;
  stroke-linejoin: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  filter: drop-shadow(0 0 5px rgba(255, 181, 71, 0.7));
  transition: stroke-dashoffset 2s var(--ease) 0.6s;
}

.chart.is-drawn .cite-line {
  stroke-dashoffset: 0;
}

.chart .cite-area {
  fill: url(#area-grad);
  opacity: 0;
  transition: opacity 1.4s 1.2s;
}

.chart.is-drawn .cite-area {
  opacity: 1;
}

.chart .cite-dot {
  fill: var(--bg);
  stroke: var(--amber);
  stroke-width: 2;
  opacity: 0;
  transition: opacity 0.5s 1.8s;
}

.chart.is-drawn .cite-dot {
  opacity: 1;
}

.chart .axis-label {
  fill: var(--dim);
  font-family: var(--font-mono);
  font-size: 11px;
}

.chart .value-label {
  fill: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
}

.chart .cite-label {
  fill: var(--amber);
  font-family: var(--font-mono);
  font-size: 10px;
}

.chart .grid-line {
  stroke: var(--line);
  stroke-dasharray: 3 5;
}

.chart-tooltip {
  position: absolute;
  pointer-events: none;
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(8, 12, 26, 0.92);
  border: 1px solid var(--line-strong);
  font-size: 0.8rem;
  white-space: nowrap;
  transform: translate(-50%, -110%);
  opacity: 0;
  transition: opacity 0.2s;
}

.chart-tooltip.is-shown {
  opacity: 1;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.metric-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.metric-label {
  font-size: 0.8rem;
  color: var(--muted);
}

.id-grid {
  display: grid;
  gap: 12px;
}

@media (min-width: 600px) and (max-width: 999px) {
  .id-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.id-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 48px 18px 20px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  text-decoration: none;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.4s var(--ease), background 0.3s;
}

.id-card:hover {
  border-color: rgba(46, 230, 197, 0.5);
  transform: translateX(6px);
  background: var(--surface-2);
}

.id-card .mono {
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.68rem;
}

.id-card strong {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  word-break: break-all;
}

.id-card em {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-style: normal;
  color: var(--cyan);
  transition: transform 0.3s var(--ease);
}

.id-card:hover em {
  transform: translate(4px, -60%);
}

/* ---------- Publikasi ---------- */

.search {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px;
  min-height: 52px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.search:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(46, 230, 197, 0.12);
}

.search svg {
  width: 18px;
  height: 18px;
  color: var(--muted);
  flex: none;
}

.search input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.95rem;
}

.search input::placeholder {
  color: var(--dim);
}

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

.publication-item {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  transition: padding 0.4s var(--ease), background 0.4s;
}

@media (min-width: 760px) {
  .publication-item {
    grid-template-columns: 90px 1fr auto;
    gap: 28px;
    align-items: start;
  }
}

.publication-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  height: 1px;
  width: 100%;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--ease);
}

.publication-item:hover::before {
  transform: scaleX(1);
}

.publication-item:hover {
  background: linear-gradient(90deg, rgba(46, 230, 197, 0.04), transparent 70%);
}

@media (min-width: 760px) {
  .publication-item:hover {
    padding-left: 16px;
  }
}

.pub-year {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan);
  padding-top: 3px;
}

.pub-title {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.015em;
  text-decoration: none;
  transition: color 0.3s;
}

.pub-title:hover {
  color: var(--cyan);
}

.pub-authors {
  margin-top: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

.pub-source {
  margin-top: 4px;
  font-size: 0.85rem;
  font-style: italic;
  color: var(--dim);
}

.pub-cite {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  justify-self: start;
  padding: 6px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  white-space: nowrap;
  color: var(--amber);
  background: rgba(255, 181, 71, 0.08);
  border: 1px solid rgba(255, 181, 71, 0.25);
}

.pub-cite.is-zero {
  color: var(--dim);
  background: transparent;
  border-color: var(--line);
}

.pub-empty {
  padding: 40px 0;
  text-align: center;
  color: var(--muted);
}

mark {
  background: rgba(46, 230, 197, 0.2);
  color: inherit;
  border-radius: 3px;
}

/* ---------- Organisasi (tingkat energi) ---------- */

.energy-levels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.level {
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  align-items: center;
  padding: 18px 0;
}

@media (min-width: 760px) {
  .level {
    grid-template-columns: 70px 160px 1fr;
    gap: 28px;
  }
}

.level-n {
  color: var(--dim);
  transition: color 0.3s;
}

.level-line {
  position: relative;
  display: none;
  height: 2px;
  background: var(--line-strong);
  border-radius: 2px;
  transition: background 0.3s, box-shadow 0.3s;
}

@media (min-width: 760px) {
  .level-line {
    display: block;
  }
}

.level-line i {
  position: absolute;
  top: 50%;
  left: 0;
  width: 10px;
  height: 10px;
  margin-top: -5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  opacity: 0;
  transition: left 0.8s var(--ease), opacity 0.3s;
}

.level-year {
  display: block;
  color: var(--amber);
}

.level strong {
  display: block;
  margin-top: 4px;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.3vw, 1.3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  transition: color 0.3s;
}

.level:hover .level-n,
.level:hover strong {
  color: var(--cyan);
}

.level:hover .level-line {
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}

.level:hover .level-line i {
  left: calc(100% - 10px);
  opacity: 1;
}

.level + .level {
  border-top: 1px dashed var(--line);
}

/* ---------- Aktivitas ---------- */

.activity-grid {
  display: grid;
  gap: 18px;
}

@media (min-width: 800px) {
  .activity-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.activity-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 30px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  text-decoration: none;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: border-color 0.4s, transform 0.2s ease-out;
}

.activity-card:hover {
  border-color: rgba(142, 240, 168, 0.5);
}

.activity-logo {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin-bottom: 22px;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 16px 40px -16px rgba(142, 240, 168, 0.7);
  transform: translateZ(30px);
}

.activity-logo img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.activity-card strong {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: -0.02em;
}

.activity-card em {
  margin-top: 18px;
  font-style: normal;
  color: var(--cyan);
}

/* ---------- Kontak ---------- */

.contact {
  overflow: hidden;
  text-align: center;
}

.contact-wave {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  pointer-events: none;
  opacity: 0.5;
}

.contact-wave svg {
  width: 200%;
  height: 220px;
  animation: wave-move 12s linear infinite;
}

.wave {
  fill: none;
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.wave-1 {
  stroke: rgba(46, 230, 197, 0.4);
}

.wave-2 {
  stroke: rgba(142, 240, 168, 0.35);
}

@keyframes wave-move {
  to {
    transform: translateX(-25%);
  }
}

.contact-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact-title {
  max-width: 900px;
  margin-top: 22px;
  font-size: clamp(2.2rem, 6vw, 4.4rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.contact .hero-actions {
  justify-content: center;
}

/* ---------- Footer ---------- */

.footer {
  padding: 32px 0;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--dim);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
}

@media (min-width: 700px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
  }
}

.socials {
  display: flex;
  gap: 8px;
}

.socials a {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--muted);
  transition: color 0.3s, border-color 0.3s, transform 0.3s var(--ease), box-shadow 0.3s;
}

.socials a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  transform: translateY(-3px);
  box-shadow: 0 0 20px -6px var(--cyan);
}

.socials svg {
  width: 19px;
  height: 19px;
}

/* ---------- Mobile ---------- */

@media (max-width: 640px) {
  .hud {
    padding: 9px 12px;
  }

  .hud strong {
    font-size: 0.78rem;
  }

  .hud-top {
    right: 0;
  }

  .hud-bottom {
    left: 0;
  }

  .card {
    padding: 22px;
  }

  .floating-eq span:nth-child(n + 3),
  .scroll-hint {
    display: none;
  }

  .hero {
    padding-bottom: 56px;
  }
}

/* ---------- Kurangi gerakan ---------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    filter: none;
  }
}