/* ==========================================================================
   ANTONIO — DIGITAL FRONTIER
   Cyber-tech portfolio system · deep black + electric blue
   ========================================================================== */

:root {
  --bg: #05080d;
  --bg-elevated: #070c14;
  --panel: #09111d;
  --panel2: #0b1422;
  --line: rgba(135, 174, 222, 0.14);
  --line-hot: rgba(8, 124, 255, 0.48);
  --blue: #087cff;
  --blue2: #48a4ff;
  --blue-soft: rgba(8, 124, 255, 0.12);
  --white: #e7f0ff;
  --muted: #8b9bb0;
  --dim: #526175;
  --font: "Syne", sans-serif;
  --mono: "DM Mono", monospace;
  --ease: cubic-bezier(0.22, 0.75, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --header-h: 82px;
  --shell: clamp(1.25rem, 5.5vw, 9%);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--white);
  font-family: var(--font);
  overflow-x: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
  background:
    radial-gradient(ellipse 55% 40% at 78% 6%, rgba(8, 124, 255, 0.11), transparent 55%),
    radial-gradient(ellipse 40% 35% at 8% 55%, rgba(8, 124, 255, 0.04), transparent 50%),
    linear-gradient(180deg, #05080d 0%, #060a12 50%, #05080d 100%);
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }
code {
  font-family: var(--mono);
  font-size: 0.85em;
  color: var(--blue2);
}

/* —— Accessibility —— */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--blue);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; outline: 2px solid #fff; outline-offset: 2px; }

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

:focus-visible {
  outline: 2px solid var(--blue2);
  outline-offset: 3px;
}

/* —— Atmosphere —— */
.noise {
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}

.cursor-glow {
  position: fixed;
  z-index: 0;
  pointer-events: none;
  width: 420px;
  height: 420px;
  left: -999px;
  top: -999px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(8, 124, 255, 0.11), transparent 68%);
  transform: translate(-50%, -50%);
  will-change: left, top;
}

.ambient {
  position: fixed;
  pointer-events: none;
  z-index: -1;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}
.ambient-a {
  width: 40vw; height: 40vw;
  right: -10vw; top: -8vw;
  background: rgba(8, 124, 255, 0.12);
}
.ambient-b {
  width: 28vw; height: 28vw;
  left: -8vw; bottom: 20vh;
  background: rgba(8, 124, 255, 0.06);
}

/* —— Intro —— */
.site-intro {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  background: #03050a;
  pointer-events: none;
}
.site-intro.is-done { visibility: hidden; }
.intro-frame {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}
.intro-mark {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  overflow: hidden;
}
.intro-brand-mark {
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  border: 1px solid var(--line-hot);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.18em;
  transform: skewX(-8deg);
  box-shadow: 0 0 40px rgba(8, 124, 255, 0.2);
}
.intro-brand-mark span,
.brand-mark span,
.brand-dot { color: var(--blue); }
.intro-brand-name {
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  font-weight: 700;
}
.intro-line {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.42em;
  color: var(--muted);
}
.intro-progress {
  width: 120px;
  height: 1px;
  background: rgba(135, 174, 222, 0.15);
  overflow: hidden;
  margin-top: 0.5rem;
}
.intro-progress span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, transparent, var(--blue), var(--blue2));
}

/* —— Header —— */
.site-header {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--shell);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 8, 13, 0.78);
  backdrop-filter: blur(18px) saturate(1.2);
  transition: border-color 0.3s, background 0.3s;
}
.site-header.is-scrolled {
  background: rgba(5, 8, 13, 0.92);
  border-bottom-color: rgba(8, 124, 255, 0.22);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  position: relative;
  z-index: 2;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border: 1px solid var(--line-hot);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.18em;
  transform: skewX(-8deg);
  transition: box-shadow 0.3s, border-color 0.3s;
}
.brand:hover .brand-mark {
  border-color: var(--blue);
  box-shadow: 0 0 22px rgba(8, 124, 255, 0.25);
}
.brand-name {
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  font-weight: 700;
}

.nav {
  display: flex;
  gap: clamp(1.1rem, 2.8vw, 2.8rem);
  align-items: center;
}
.nav-link {
  position: relative;
  font-family: var(--mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #aab8ca;
  transition: color 0.25s;
  padding: 0.35rem 0;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--blue);
  transition: right 0.35s var(--ease);
}
.nav-link:hover,
.nav-link.active { color: var(--blue2); }
.nav-link.active::after,
.nav-link:hover::after { right: 0; }
.nav-link.active::before {
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--blue);
  margin: 0 0.5rem 1px 0;
  box-shadow: 0 0 10px var(--blue);
}

.header-cta {
  font-size: 0.72rem;
  font-weight: 600;
  border: 1px solid var(--line-hot);
  padding: 0.7rem 1rem;
  border-radius: 2px;
  transition: background 0.25s, border-color 0.25s, transform 0.25s var(--ease);
}
.header-cta span { color: var(--blue2); margin-left: 0.85rem; }
.header-cta:hover {
  background: var(--blue-soft);
  border-color: var(--blue);
  transform: translateY(-1px);
}
.menu-toggle { display: none; }

/* —— Shell / type —— */
.section-shell {
  padding-left: var(--shell);
  padding-right: var(--shell);
  position: relative;
}
.section-pad {
  padding-top: clamp(5rem, 12vw, 7.8rem);
  padding-bottom: clamp(5rem, 12vw, 7.8rem);
}

.eyebrow,
.micro-label,
.section-kicker,
.hero-note,
.hero-index,
.hero-bottomline,
.visual-label,
.visual-coordinates,
.project-meta,
.project-tags,
.timeline-tag,
.timeline-side,
.skill-group-head > span:first-child,
.skill-list small,
.skills-footnote,
.portrait-meta,
.portrait-placeholder .placeholder-caption,
.site-footer,
.contact-inner small,
.case-meta-row span,
.case-breadcrumb,
.case-tags,
.art-index,
.art-hover {
  font-family: var(--mono);
  letter-spacing: 0.12em;
}

h1, h2, h3, p { margin-top: 0; }
.text-blue {
  color: var(--blue2);
  text-shadow: 0 0 36px rgba(8, 124, 255, 0.22);
}
.text-muted { color: #637187; }

.status-dot,
.live-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 14px rgba(8, 124, 255, 0.9);
  flex-shrink: 0;
}

/* —— Buttons —— */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.4rem;
  padding: 0.9rem 1.15rem;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid transparent;
  min-height: 3rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--ease), background 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.button::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.14), transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.6s var(--ease);
}
.button:hover::before { transform: translateX(120%); }
.button:hover { transform: translateY(-3px); }
.button-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 8px 36px rgba(8, 124, 255, 0.22);
}
.button-primary:hover {
  background: #2990ff;
  box-shadow: 0 12px 48px rgba(8, 124, 255, 0.35);
}
.button-ghost {
  border-color: var(--line-hot);
  background: rgba(5, 8, 13, 0.45);
}
.button-ghost:hover {
  border-color: var(--blue);
  background: var(--blue-soft);
}
.button.is-disabled,
.button[aria-disabled="true"] {
  opacity: 0.45;
  pointer-events: none;
  box-shadow: none;
}
.button-icon { font-size: 1rem; line-height: 1; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 1.4rem;
  border-bottom: 1px solid var(--line-hot);
  padding: 0 0 0.6rem;
  font-size: 0.75rem;
  font-weight: 500;
  margin-top: 1rem;
  transition: color 0.2s, border-color 0.2s, gap 0.3s var(--ease);
}
.text-link span { color: var(--blue2); font-size: 1rem; }
.text-link:hover {
  color: var(--blue2);
  border-color: var(--blue);
  gap: 1.75rem;
}

/* —— Hero —— */
.hero {
  min-height: 690px;
  height: calc(100svh - var(--header-h));
  max-height: 920px;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-grid,
.contact-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(63, 113, 171, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63, 113, 171, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(90deg, #000, transparent 88%);
}
.hero-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--bg) 0%, rgba(5, 8, 13, 0.88) 36%, transparent 100%);
}
.hero-scan {
  position: absolute;
  z-index: 1;
  left: 0; right: 0; top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  opacity: 0.45;
  animation: scan 9s linear infinite;
}
.hero-beam {
  position: absolute;
  right: 8%;
  top: 18%;
  width: 1px;
  height: 42%;
  background: linear-gradient(180deg, transparent, rgba(8, 124, 255, 0.45), transparent);
  opacity: 0.5;
  z-index: 1;
}

.hero-copy {
  position: relative;
  z-index: 4;
  width: min(58%, 720px);
  padding-top: 0.4rem;
}

.eyebrow {
  font-size: 0.62rem;
  color: #a8bad0;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 1.6rem;
}

.hero-title {
  font-size: clamp(2.5rem, 5.4vw, 4.85rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
  font-weight: 700;
  margin: 0 0 1.5rem;
  max-width: 14ch;
}
.hero-line {
  display: block;
  overflow: hidden;
}
.hero-line-inner {
  display: block;
  transform: translateY(110%);
}

.hero-lede {
  font-size: clamp(0.95rem, 1.25vw, 1.1rem);
  line-height: 1.75;
  color: #c1cede;
  max-width: 28rem;
  margin-bottom: 0.85rem;
  font-weight: 400;
}
.hero-note {
  font-size: 0.58rem;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 1.8rem;
}
.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.hero-index {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.55rem;
  color: var(--dim);
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
}
.hero-index > span:first-child { color: var(--blue2); }
.index-line {
  height: 1px;
  width: 48px;
  background: var(--blue);
}

/* Hero 3D visual */
.hero-visual {
  position: absolute;
  width: min(54vw, 720px);
  height: min(54vw, 720px);
  right: -1%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  perspective: 1100px;
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 16%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(8, 124, 255, 0.2), rgba(8, 124, 255, 0.03) 42%, transparent 68%);
  filter: blur(14px);
}
.visual-stage {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  will-change: transform;
}
.visual-orbit {
  position: absolute;
  inset: 14%;
  border: 1px solid rgba(45, 139, 255, 0.22);
  border-radius: 50%;
  transform: rotateX(66deg) rotateZ(-25deg);
  animation: orbit 22s linear infinite;
}
.orbit-two {
  inset: 21%;
  transform: rotateX(68deg) rotateZ(50deg);
  border-color: rgba(72, 164, 255, 0.34);
  animation-duration: 17s;
  animation-direction: reverse;
}
.orbit-three {
  inset: 5%;
  transform: rotateY(65deg) rotateZ(24deg);
  border-style: dashed;
  border-color: rgba(72, 164, 255, 0.16);
  animation-duration: 38s;
}
.visual-ring {
  position: absolute;
  inset: 28%;
  border: 1px solid rgba(8, 124, 255, 0.18);
  border-radius: 50%;
  box-shadow: inset 0 0 40px rgba(8, 124, 255, 0.06);
}

.core {
  position: absolute;
  width: 30%;
  aspect-ratio: 1;
  left: 35%;
  top: 35%;
  transform-style: preserve-3d;
  transform: rotateX(-22deg) rotateY(-28deg);
  animation: core-float 7.5s ease-in-out infinite;
}
.core-face {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: clamp(3.2rem, 8vw, 7.5rem);
  font-weight: 800;
  letter-spacing: -0.14em;
  color: #eaf5ff;
  background: linear-gradient(145deg, rgba(43, 150, 255, 0.95), rgba(4, 35, 76, 0.96) 48%, rgba(7, 14, 27, 0.98));
  border: 1px solid rgba(104, 186, 255, 0.75);
  box-shadow: inset 0 0 55px rgba(8, 124, 255, 0.28), 0 0 48px rgba(8, 124, 255, 0.18);
  backface-visibility: hidden;
  text-shadow: 0 0 28px rgba(255, 255, 255, 0.22);
}
.core-face span { color: #66b8ff; }
.face-front { transform: translateZ(28px); }
.face-back { transform: rotateY(180deg) translateZ(28px); opacity: 0.72; }
.face-right {
  transform: rotateY(90deg) translateZ(28px);
  background: linear-gradient(180deg, rgba(8, 80, 170, 0.7), rgba(4, 18, 40, 0.95));
  border-color: rgba(8, 124, 255, 0.35);
}
.face-left {
  transform: rotateY(-90deg) translateZ(28px);
  background: linear-gradient(180deg, rgba(6, 40, 90, 0.8), rgba(3, 12, 28, 0.95));
  border-color: rgba(8, 124, 255, 0.25);
}
.core-edge {
  position: absolute;
  inset: -10%;
  border: 1px solid rgba(8, 124, 255, 0.5);
  transform: translateZ(-24px) rotateZ(45deg);
  box-shadow: 0 0 25px rgba(8, 124, 255, 0.18);
}
.core-shadow {
  position: absolute;
  left: 32%; top: 62%;
  width: 36%; height: 11%;
  border-radius: 50%;
  background: #087cff;
  filter: blur(46px);
  opacity: 0.4;
  animation: shadow-pulse 7.5s ease-in-out infinite;
}

.visual-cross {
  position: absolute;
  color: var(--blue2);
  font-size: 1.15rem;
  font-family: var(--mono);
  opacity: 0.7;
}
.cross-a { top: 23%; left: 28%; }
.cross-b { top: 65%; right: 20%; }
.cross-c { top: 38%; right: 13%; }
.visual-label {
  position: absolute;
  font-size: 0.55rem;
  color: #8aa9cc;
}
.label-top {
  top: 17%; right: 12%;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.label-line {
  display: inline-block;
  width: 24px; height: 1px;
  background: var(--blue);
}
.label-bottom {
  bottom: 17%; left: 25%;
  color: #718ba9;
}
.label-bottom span { color: var(--blue); padding: 0 0.4rem; }
.visual-coordinates {
  position: absolute;
  bottom: 24%; right: 13%;
  font-size: 0.55rem;
  line-height: 1.8;
  color: var(--dim);
}

.hero-bottomline {
  position: absolute;
  bottom: 0;
  left: var(--shell);
  right: var(--shell);
  height: 2.7rem;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.5rem;
  color: var(--dim);
  z-index: 5;
}
.live-dot { width: 5px; height: 5px; margin: 0 0.35rem; }

/* —— Ticker —— */
.ticker {
  height: 3.6rem;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #080e17;
  border-bottom: 1px solid var(--line);
}
.ticker-track {
  display: flex;
  align-items: center;
  gap: 2rem;
  white-space: nowrap;
  min-width: max-content;
  animation: ticker 38s linear infinite;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: #a7b8ce;
}
.ticker-track i {
  font-style: normal;
  color: var(--blue);
  font-size: 0.9rem;
}

/* —— Section chrome —— */
.section-kicker {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: #9aabc1;
  font-size: 0.55rem;
  margin-bottom: clamp(2.2rem, 5vw, 3.5rem);
}
.section-kicker > span:first-child { color: var(--blue2); }
.kicker-rule {
  width: 65px; height: 1px;
  background: var(--line-hot);
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3rem;
}
.section-heading h2,
.about-title h2,
.contact-inner h2 {
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
  font-weight: 600;
  margin-bottom: 0;
}
.section-heading > p,
.body-copy,
.project-info > p,
.timeline-content > p,
.contact-inner > p {
  font-size: 0.92rem;
  line-height: 1.9;
  color: #9baabe;
  max-width: 30rem;
  margin-bottom: 0;
}
.micro-label {
  font-size: 0.55rem;
  color: var(--blue2);
  margin-bottom: 1.3rem;
}

/* —— About —— */
.about-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.85fr;
  gap: clamp(2rem, 10vw, 12%);
  align-items: center;
}
.about-title h2 { margin-bottom: 1.5rem; }
.about-title .body-copy { margin-bottom: 0.5rem; }
.body-copy-secondary { margin-top: 0.85rem; }
.about-highlights {
  list-style: none;
  margin: 1.4rem 0 0.5rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.about-highlights li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.82rem;
  line-height: 1.55;
  color: #b7c6d8;
}
.about-highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  background: var(--blue);
  box-shadow: 0 0 10px rgba(8, 124, 255, 0.6);
}

.portrait-panel {
  position: relative;
  max-width: 440px;
  width: 100%;
  justify-self: end;
}
.portrait-frame {
  aspect-ratio: 4 / 5;
  background: linear-gradient(145deg, #0b1c31, #060a11 70%);
  border: 1px solid var(--line-hot);
  overflow: hidden;
  position: relative;
}
.portrait-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(0deg, rgba(5, 8, 13, 0.75), transparent 42%),
    repeating-linear-gradient(0deg, transparent 0 4px, rgba(8, 124, 255, 0.03) 5px 6px);
  pointer-events: none;
}
.portrait-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.08);
}
.portrait-placeholder {
  height: 100%;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 45%, rgba(8, 124, 255, 0.22), transparent 52%),
    linear-gradient(135deg, #0c1726, #05080d);
}
.portrait-placeholder::before,
.portrait-placeholder::after {
  content: "";
  position: absolute;
  width: 130%; height: 1px;
  top: 50%;
  background: rgba(8, 124, 255, 0.16);
  transform: rotate(42deg);
}
.portrait-placeholder::after { transform: rotate(-42deg); }
.placeholder-ring {
  position: absolute;
  width: 68%;
  aspect-ratio: 1;
  border: 1px solid rgba(8, 124, 255, 0.32);
  border-radius: 50%;
  box-shadow: 0 0 55px rgba(8, 124, 255, 0.1), inset 0 0 55px rgba(8, 124, 255, 0.07);
}
.placeholder-initial {
  font-size: clamp(5.5rem, 14vw, 11rem);
  font-weight: 700;
  letter-spacing: -0.14em;
  color: #d8eaff;
  text-shadow: 0 0 35px rgba(8, 124, 255, 0.3);
  z-index: 1;
}
.placeholder-initial span { color: var(--blue); }
.placeholder-caption {
  position: absolute;
  bottom: 1.4rem; left: 1.4rem;
  z-index: 2;
  font-size: 0.5rem;
  line-height: 1.8;
  color: #8ea7c5;
}
.portrait-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.5rem;
  color: var(--muted);
  padding-top: 0.85rem;
}
.portrait-meta b { color: var(--blue); font-weight: 400; }
.corner {
  position: absolute;
  width: 22px; height: 22px;
  border-color: var(--blue);
  border-style: solid;
  z-index: 3;
}
.corner-tl { top: -5px; left: -5px; border-width: 1px 0 0 1px; }
.corner-br { bottom: 2.1rem; right: -5px; border-width: 0 1px 1px 0; }

/* —— Experience —— */
.experience {
  background: linear-gradient(180deg, rgba(8, 15, 25, 0.4), transparent);
  border-top: 1px solid rgba(135, 174, 222, 0.05);
  border-bottom: 1px solid rgba(135, 174, 222, 0.05);
}
.timeline { display: flex; flex-direction: column; gap: 1rem; }
.timeline-card {
  display: grid;
  grid-template-columns: 35px 1fr auto;
  gap: 1.4rem;
  align-items: start;
  padding: 1.75rem;
  border: 1px solid var(--line);
  background: linear-gradient(105deg, rgba(10, 20, 34, 0.92), rgba(5, 8, 13, 0.72));
  position: relative;
  transition: border-color 0.35s, transform 0.35s var(--ease), box-shadow 0.35s;
}
.timeline-card:hover {
  border-color: rgba(8, 124, 255, 0.4);
  transform: translateX(4px);
  box-shadow: -8px 0 0 -6px var(--blue), 0 20px 50px rgba(0, 0, 0, 0.25);
}
.timeline-node {
  height: 100%;
  position: relative;
  display: flex;
  justify-content: center;
}
.timeline-node::after {
  content: "";
  position: absolute;
  top: 15px; bottom: -30px;
  width: 1px;
  background: var(--line-hot);
}
.timeline-card:last-child .timeline-node::after { display: none; }
.timeline-node span {
  width: 9px; height: 9px;
  border: 2px solid var(--blue);
  border-radius: 50%;
  background: var(--bg);
  box-shadow: 0 0 14px rgba(8, 124, 255, 0.5);
  z-index: 1;
}
.timeline-tag { font-size: 0.5rem; color: var(--blue2); }
.timeline-content h3 {
  font-size: 1.25rem;
  font-weight: 560;
  margin: 0.7rem 0;
  letter-spacing: -0.03em;
}
.timeline-content > p { font-size: 0.8rem; max-width: 40rem; }
.timeline-hint { margin-top: 0.85rem !important; color: var(--dim) !important; }
.timeline-list {
  margin: 0.85rem 0 0;
  padding-left: 1.1rem;
  color: #9baabe;
  font-size: 0.8rem;
  line-height: 1.7;
}
.timeline-side { font-size: 0.5rem; color: var(--dim); }
.timeline-side span { color: var(--blue2); }

/* —— Projects —— */
.projects { overflow: hidden; }
.projects-heading { margin-bottom: 3.5rem; }
.projects-archive { display: flex; flex-direction: column; }
.project-card {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  border: 1px solid var(--line);
  background: #080e17;
  min-height: 400px;
  transition: border-color 0.4s;
}
.project-card:hover { border-color: rgba(8, 124, 255, 0.45); }
.project-art {
  position: relative;
  min-height: 370px;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 50%, rgba(8, 124, 255, 0.16), transparent 60%), #07101c;
  display: grid;
  place-items: center;
  isolation: isolate;
}
.project-cover {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out), filter 0.5s;
  filter: saturate(0.85) contrast(1.05);
}
.project-card:hover .project-cover { transform: scale(1.05); filter: saturate(1) contrast(1.08); }
.art-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(73, 139, 208, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(73, 139, 208, 0.1) 1px, transparent 1px);
  background-size: 30px 30px;
  transform: perspective(500px) rotateX(25deg) scale(1.4);
  transform-origin: center 70%;
  mask-image: linear-gradient(transparent, #000);
}
.art-window {
  width: 72%;
  position: relative;
  z-index: 1;
  background: rgba(7, 15, 27, 0.92);
  border: 1px solid rgba(76, 158, 255, 0.55);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.45), 0 0 45px rgba(8, 124, 255, 0.12);
  transform: perspective(900px) rotateY(9deg) rotateX(3deg);
  transition: transform 0.7s var(--ease-out);
}
.project-card:hover .art-window {
  transform: perspective(900px) rotateY(2deg) rotateX(1deg) translateY(-6px) scale(1.02);
}
.project-art-two {
  background: radial-gradient(ellipse at 40% 45%, rgba(8, 124, 255, 0.22), transparent 55%), #060d18;
}
.art-bot {
  position: relative;
  z-index: 1;
  width: 58%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}
.bot-core {
  width: 42%;
  aspect-ratio: 1;
  border: 1px solid rgba(104, 186, 255, 0.7);
  background: linear-gradient(145deg, rgba(43, 150, 255, 0.55), rgba(4, 25, 55, 0.95));
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  color: #e7f0ff;
  box-shadow: 0 0 40px rgba(8, 124, 255, 0.25);
  z-index: 2;
}
.bot-ring {
  position: absolute;
  inset: 8%;
  border: 1px dashed rgba(72, 164, 255, 0.35);
  border-radius: 50%;
  animation: orbit 18s linear infinite;
}
.bot-metrics {
  position: absolute;
  inset: 22%;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  opacity: 0.75;
}
.bot-metrics i {
  flex: 1;
  display: block;
  background: linear-gradient(0deg, rgba(8, 124, 255, 0.2), #1687ff);
}
.bot-metrics i:nth-child(1) { height: 42%; }
.bot-metrics i:nth-child(2) { height: 68%; }
.bot-metrics i:nth-child(3) { height: 55%; }
.bot-label {
  position: absolute;
  bottom: -8%;
  font: 0.5rem var(--mono);
  letter-spacing: 0.16em;
  color: #7290b3;
}
.project-art-three {
  background: radial-gradient(ellipse at 60% 40%, rgba(8, 124, 255, 0.14), transparent 55%), #070f1a;
}
.art-kanban {
  position: relative;
  z-index: 1;
  width: 78%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  transform: perspective(900px) rotateY(-6deg) rotateX(4deg);
  transition: transform 0.7s var(--ease-out);
}
.project-card:hover .art-kanban {
  transform: perspective(900px) rotateY(0deg) rotateX(1deg) translateY(-4px);
}
.kanban-col {
  border: 1px solid rgba(76, 158, 255, 0.35);
  background: rgba(7, 15, 27, 0.88);
  padding: 0.7rem;
  min-height: 160px;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.kanban-col b {
  height: 4px;
  width: 40%;
  background: var(--blue);
  margin-bottom: 0.2rem;
}
.kanban-col span {
  display: block;
  height: 28px;
  border: 1px solid var(--line);
  background: rgba(8, 124, 255, 0.06);
}
.kanban-col:nth-child(2) b { width: 55%; }
.kanban-col:nth-child(3) b { width: 30%; background: #48a4ff; }
.window-bar {
  height: 30px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 10px;
}
.window-bar i {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #4a617c;
}
.window-bar span {
  font: 0.45rem var(--mono);
  color: #7690ad;
  margin-left: auto;
  letter-spacing: 0.1em;
}
.window-content { display: flex; min-height: 185px; }
.window-sidebar {
  width: 18%;
  padding: 17px 10px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.window-sidebar b {
  height: 3px;
  background: #203750;
  width: 80%;
}
.window-sidebar b:first-child {
  background: var(--blue);
  width: 58%;
}
.window-main { padding: 18px; width: 82%; }
.skeleton {
  display: block;
  height: 5px;
  background: #17304c;
  margin-bottom: 9px;
}
.skeleton.wide { width: 68%; background: #5aaaff; }
.skeleton.medium { width: 43%; }
.skeleton-chart {
  height: 70px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: end;
  gap: 7px;
  padding: 0 5px 7px;
}
.skeleton-chart i {
  display: block;
  flex: 1;
  background: linear-gradient(0deg, rgba(8, 124, 255, 0.25), #1687ff);
  height: 40%;
  opacity: 0.75;
}
.skeleton-chart i:nth-child(2) { height: 65%; }
.skeleton-chart i:nth-child(3) { height: 47%; }
.skeleton-chart i:nth-child(4) { height: 78%; }
.skeleton-chart i:nth-child(5) { height: 58%; }
.skeleton-chart i:nth-child(6) { height: 88%; }
.skeleton-chart i:nth-child(7) { height: 68%; }
.skeleton-row { display: flex; gap: 7px; margin-top: 14px; }
.skeleton-row i {
  height: 22px;
  flex: 1;
  border: 1px solid var(--line);
  background: rgba(8, 124, 255, 0.035);
}
.art-index {
  position: absolute;
  bottom: 1.3rem; left: 1.4rem;
  font-size: 0.5rem;
  color: #7290b3;
  z-index: 2;
}
.art-hover {
  position: absolute;
  top: 1.3rem; right: 1.3rem;
  z-index: 2;
  font-size: 0.5rem;
  color: var(--blue2);
  padding: 0.55rem 0.7rem;
  border: 1px solid rgba(8, 124, 255, 0.35);
  background: rgba(5, 8, 13, 0.65);
  backdrop-filter: blur(8px);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.35s, transform 0.35s var(--ease);
}
.project-card:hover .art-hover {
  opacity: 1;
  transform: translateY(0);
}

.project-info {
  padding: clamp(1.5rem, 4vw, 3.2rem);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}
.project-meta {
  display: flex;
  gap: 1.2rem;
  font-size: 0.5rem;
  color: var(--blue2);
  margin-bottom: 1.5rem;
}
.project-meta span + span { color: var(--dim); }
.project-info h3 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  letter-spacing: -0.045em;
  font-weight: 600;
  margin-bottom: 0.9rem;
}
.project-status {
  display: block;
  font: 0.5rem/1.4 var(--mono);
  letter-spacing: 0.13em;
  color: #8ba0b9;
  margin-top: 0.55rem;
}
.project-info > p { font-size: 0.8rem; line-height: 1.9; }
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.7rem;
}
.project-tags span {
  font-size: 0.5rem;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line);
  color: #91a4bd;
}
.project-info .text-link { margin-top: 1.6rem; }

.project-empty {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.3rem 1.5rem;
  border: 1px solid var(--line);
  border-top: 0;
  background: rgba(7, 12, 20, 0.5);
}
.empty-plus { font-size: 1.6rem; color: var(--blue); font-weight: 300; }
.project-empty b { font: 0.62rem var(--mono); letter-spacing: 0.12em; }
.project-empty p {
  font-size: 0.72rem;
  color: var(--muted);
  margin: 0.35rem 0 0;
  font-family: var(--font);
  letter-spacing: 0;
}
.empty-code {
  margin-left: auto;
  font: 0.5rem var(--mono);
  letter-spacing: 0.12em;
  color: var(--dim);
}

/* —— Skills —— */
/* —— Education —— */
.education {
  border-top: 1px solid rgba(135, 174, 222, 0.05);
  background: linear-gradient(180deg, transparent, rgba(8, 16, 27, 0.35));
}
.edu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}
.edu-card {
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(10, 20, 34, 0.92), rgba(5, 8, 13, 0.75));
  padding: 1.6rem 1.4rem;
  transition: border-color 0.35s, transform 0.35s var(--ease);
}
.edu-card:hover {
  border-color: rgba(8, 124, 255, 0.4);
  transform: translateY(-4px);
}
.edu-tag {
  display: block;
  font-family: var(--mono);
  font-size: 0.5rem;
  letter-spacing: 0.12em;
  color: var(--blue2);
  margin-bottom: 1rem;
}
.edu-card h3 {
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  font-weight: 600;
  margin-bottom: 0.55rem;
}
.edu-meta {
  font-size: 0.78rem;
  color: #8fa3bb;
  margin-bottom: 0.85rem;
}
.edu-card > p:not(.edu-meta) {
  font-size: 0.82rem;
  line-height: 1.75;
  color: #9baabe;
  margin-bottom: 0.5rem;
}
.edu-card .text-link { margin-top: 1rem; }
.language-list {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
}
.language-list li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(135, 174, 222, 0.08);
  font-size: 0.85rem;
}
.language-list li:last-child { border-bottom: 0; }
.language-list small {
  font-family: var(--mono);
  font-size: 0.5rem;
  letter-spacing: 0.08em;
  color: var(--blue2);
  text-align: right;
  max-width: 55%;
}

.skills {
  background: linear-gradient(180deg, transparent, rgba(8, 16, 27, 0.5));
  border-top: 1px solid rgba(135, 174, 222, 0.06);
}
.skill-groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.15rem;
}
.skill-group {
  border: 1px solid var(--line);
  background: rgba(7, 13, 22, 0.72);
  padding: 1.5rem;
  transition: border-color 0.35s, transform 0.35s var(--ease);
}
.skill-group:hover {
  border-color: rgba(8, 124, 255, 0.4);
  transform: translateY(-4px);
}
.skill-group-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-bottom: 1.3rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 0.4rem;
}
.skill-group-head > span:first-child {
  font-size: 0.55rem;
  color: var(--blue2);
}
.skill-group-head h3 {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin: 0;
}
.group-symbol {
  margin-left: auto;
  font-size: 1.35rem;
  color: var(--blue2);
}
.skill-list > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(135, 174, 222, 0.08);
}
.skill-list > div:last-child { border-bottom: 0; }
.skill-list span { font-size: 0.8rem; color: #d4e0f0; }
.skill-list small {
  font-size: 0.45rem;
  color: #657b96;
  text-align: right;
}
.skill-list small.is-confirmed { color: var(--blue2); }
.skills-footnote {
  font-size: 0.5rem;
  line-height: 1.8;
  color: #71849d;
  margin-top: 1.5rem;
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  letter-spacing: 0.04em;
}
.skills-footnote .status-dot { margin-top: 0.2rem; }

/* —— Contact —— */
.contact {
  padding-top: clamp(5rem, 10vw, 7.5rem);
  padding-bottom: clamp(5rem, 10vw, 7.5rem);
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  min-height: 470px;
  display: flex;
  align-items: center;
}
.contact-grid { mask-image: linear-gradient(90deg, transparent, #000 45%, #000); }
.contact-inner { position: relative; z-index: 2; max-width: 650px; }
.contact-inner .eyebrow { margin-bottom: 1.5rem; }
.contact-inner h2 {
  font-size: clamp(3rem, 6.5vw, 5.5rem);
  margin-bottom: 1.25rem;
}
.contact-inner > p { font-size: 0.88rem; }
.contact-inner .button { margin-top: 1rem; }
.contact-inner small {
  display: block;
  color: var(--dim);
  font-size: 0.45rem;
  line-height: 1.8;
  margin-top: 1.1rem;
}
.contact-channels {
  display: flex;
  gap: 1.5rem;
  margin-top: 1.5rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
}
.contact-channels a {
  color: var(--blue2);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.contact-channels a:hover { border-color: var(--blue); }
.contact-orb {
  position: absolute;
  width: 400px; height: 400px;
  right: 6%; top: 50%;
  transform: translateY(-50%);
  border: 1px solid rgba(8, 124, 255, 0.2);
  border-radius: 50%;
  display: grid;
  place-items: center;
  opacity: 0.7;
}
.contact-orb::before,
.contact-orb::after,
.contact-orb div {
  content: "";
  position: absolute;
  border: 1px solid rgba(8, 124, 255, 0.22);
  border-radius: 50%;
  inset: 13%;
  transform: rotateX(68deg) rotateZ(25deg);
}
.contact-orb::after {
  inset: 22%;
  transform: rotateY(65deg) rotateZ(-20deg);
}
.contact-orb div:nth-child(1) {
  inset: 30%;
  background: radial-gradient(circle, rgba(8, 124, 255, 0.22), transparent 70%);
  box-shadow: 0 0 70px rgba(8, 124, 255, 0.18);
}
.contact-orb div:nth-child(2) {
  inset: 5%;
  transform: rotateX(65deg) rotateZ(65deg);
  border-style: dashed;
}
.contact-orb div:nth-child(3) {
  inset: 18%;
  transform: rotateY(70deg) rotateZ(45deg);
}

/* —— Footer —— */
.site-footer {
  min-height: 6.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  font-size: 0.5rem;
  color: var(--dim);
  flex-wrap: wrap;
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}
.footer-brand .brand-mark { width: 28px; height: 28px; font-size: 0.9rem; }
.footer-brand .brand-name { font-size: 0.62rem; }
.footer-links {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}
.footer-links a {
  color: #9db1ca;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--blue2); }
.footer-placeholder { color: var(--dim); opacity: 0.7; }
.back-top { color: #9db1ca; transition: color 0.2s; }
.back-top:hover { color: var(--blue2); }

/* —— Case study page —— */
.case-study { position: relative; }
.case-hero {
  padding-top: clamp(3rem, 8vw, 5rem);
  padding-bottom: clamp(3rem, 7vw, 4.5rem);
  border-bottom: 1px solid var(--line);
}
.case-breadcrumb {
  display: flex;
  gap: 0.65rem;
  align-items: center;
  font-size: 0.55rem;
  color: var(--dim);
  margin-bottom: 2.5rem;
}
.case-breadcrumb a { color: var(--blue2); }
.case-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 6vw, 4rem);
  align-items: end;
}
.case-hero-copy h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  letter-spacing: -0.06em;
  font-weight: 700;
  line-height: 0.95;
  margin-bottom: 1rem;
}
.case-subtitle {
  font-size: 1rem;
  color: #b7c6d8;
  margin-bottom: 1rem;
}
.case-meta-row {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}
.case-meta-row div { display: flex; flex-direction: column; gap: 0.4rem; }
.case-meta-row span { font-size: 0.5rem; color: var(--dim); }
.case-meta-row b { font-size: 0.85rem; font-weight: 500; }

.case-hero-visual {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line-hot);
  background: #07101c;
  overflow: hidden;
  position: relative;
}
.case-hero-visual img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.case-visual-fallback {
  height: 100%;
  display: grid;
  place-items: center;
  position: relative;
  background: radial-gradient(ellipse at 50% 40%, rgba(8, 124, 255, 0.2), transparent 55%), #07101c;
}
.case-visual-mark {
  font-size: clamp(4rem, 10vw, 7rem);
  font-weight: 800;
  letter-spacing: -0.14em;
  z-index: 1;
}
.case-visual-mark span { color: var(--blue); }
.case-visual-code {
  position: absolute;
  bottom: 1.2rem; left: 1.2rem;
  font: 0.5rem var(--mono);
  letter-spacing: 0.14em;
  color: #7290b3;
}

.case-body {
  display: grid;
  grid-template-columns: 1fr 0.42fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.case-layout { display: flex; flex-direction: column; gap: 2.5rem; }
.case-block h2 {
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  font-weight: 600;
}
.case-list {
  margin: 0;
  padding-left: 1.15rem;
  color: #9baabe;
  font-size: 0.9rem;
  line-height: 1.85;
}
.case-empty {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.8;
  margin: 0;
}
.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.case-tags span {
  font-size: 0.55rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  color: #a8bdd4;
}
.case-links { display: flex; flex-direction: column; align-items: flex-start; gap: 0.75rem; }
.case-aside { position: sticky; top: calc(var(--header-h) + 1.5rem); }
.case-aside-card {
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(10, 22, 38, 0.9), rgba(5, 8, 13, 0.8));
  padding: 1.5rem;
  margin-bottom: 1rem;
}
.case-aside-card p:not(.micro-label) {
  font-size: 0.82rem;
  line-height: 1.75;
  color: #9baabe;
  margin-bottom: 0.5rem;
}

/* —— Reveal (CSS fallback / pre-GSAP) —— */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
}
.no-js [data-reveal],
.is-reduced [data-reveal] {
  opacity: 1;
  transform: none;
}

/* —— Keyframes —— */
@keyframes orbit { to { transform: rotateX(66deg) rotateZ(335deg); } }
@keyframes core-float {
  0%, 100% { transform: translateY(0) rotateX(-22deg) rotateY(-28deg); }
  50% { transform: translateY(-14px) rotateX(-16deg) rotateY(-18deg); }
}
@keyframes shadow-pulse {
  0%, 100% { opacity: 0.3; transform: scale(0.9); }
  50% { opacity: 0.55; transform: scale(1.12); }
}
@keyframes scan {
  0% { transform: translateY(0); opacity: 0; }
  10% { opacity: 0.55; }
  90% { opacity: 0.3; }
  100% { transform: translateY(100svh); opacity: 0; }
}
@keyframes ticker { to { transform: translateX(-50%); } }

/* —— Responsive —— */
@media (max-width: 1050px) {
  .hero-copy { width: 64%; }
  .hero-visual { right: -12%; opacity: 0.78; }
  .about-layout { gap: 7%; }
  .edu-grid { grid-template-columns: 1fr 1fr; }
  .edu-card-languages { grid-column: 1 / -1; }
  .contact-orb { right: -10%; opacity: 0.45; }
  .case-hero-grid,
  .case-body { grid-template-columns: 1fr; }
  .case-aside { position: static; }
}

@media (max-width: 760px) {
  :root { --header-h: 70px; }
  html { scroll-padding-top: 70px; }

  .site-header { padding: 0 1.25rem; }
  .brand-name { font-size: 0.62rem; }
  .header-cta { padding: 0.55rem 0.7rem; font-size: 0.62rem; }
  .header-cta span { margin-left: 0.45rem; }

  .menu-toggle {
    display: flex;
    margin-left: auto;
    margin-right: 0.85rem;
    width: 34px; height: 34px;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    align-items: center;
    background: transparent;
    border: 1px solid var(--line);
    color: white;
  }
  .menu-toggle span {
    width: 13px; height: 1px;
    background: var(--white);
    transition: transform 0.2s;
  }
  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3px) rotate(45deg);
  }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    transform: translateY(-3px) rotate(-45deg);
  }

  .nav {
    display: none;
    position: absolute;
    left: 0; right: 0;
    top: calc(var(--header-h) - 1px);
    background: rgba(5, 8, 13, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 1rem 1.4rem 1.4rem;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
  }
  .nav.is-open { display: flex; }
  .nav-link {
    padding: 0.9rem 0;
    border-bottom: 1px solid rgba(135, 174, 222, 0.09);
  }
  .nav-link::after { display: none; }
  .nav-link.active::before { margin-left: 0; }

  .hero {
    height: auto;
    min-height: 760px;
    max-height: none;
    align-items: flex-start;
    padding-top: 5.5rem;
    padding-bottom: 5.5rem;
  }
  .hero-copy { width: 100%; }
  .hero-title { font-size: clamp(2.2rem, 9.5vw, 3.4rem); max-width: 12ch; }
  .hero-visual {
    width: 105vw; height: 105vw;
    max-width: 560px; max-height: 560px;
    right: -28%; top: 58%;
    opacity: 0.4;
    transform: translateY(-20%);
  }
  .hero-visual::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--bg), transparent 65%);
  }
  .hero-index { margin-top: 2.8rem; }
  .hero-bottomline span:nth-child(2) { display: none; }

  .about-layout { grid-template-columns: 1fr; gap: 2.4rem; }
  .portrait-panel { justify-self: start; width: 90%; margin-left: 0.5rem; }
  .section-heading { display: block; }
  .section-heading > p { margin-top: 1.3rem; }

  .timeline-card {
    padding: 1.25rem 1rem;
    grid-template-columns: 18px 1fr;
    gap: 0.85rem;
  }
  .timeline-side { display: none; }

  .project-card { grid-template-columns: 1fr; }
  .project-art { min-height: 280px; }
  .empty-code { display: none; }

  .skill-groups { grid-template-columns: 1fr; }
  .edu-grid { grid-template-columns: 1fr; }

  .contact-orb {
    width: 280px; height: 280px;
    right: -150px; top: 68%;
    opacity: 0.3;
  }

  .site-footer > .footer-meta { order: 3; width: 100%; }
  .case-meta-row { flex-direction: column; gap: 1rem; }
}

@media (max-width: 390px) {
  .header-cta { display: none; }
  .menu-toggle { margin-right: 0; }
  .hero { padding-top: 4.5rem; min-height: 700px; }
  .hero-title { font-size: 2.1rem; }
  .button { padding: 0.75rem 0.85rem; font-size: 0.68rem; gap: 0.9rem; }
  .skill-list > div {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.35rem;
  }
  .skill-list small { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .site-intro { display: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .cursor-glow { display: none; }
  .hero-line-inner { transform: none; }
}