/* ═══════════════════════════════════════════
   RICHMOND ACQUAH AWUAH — PORTFOLIO STYLESHEET
   ═══════════════════════════════════════════ */

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

:root {
  --cream: #FAFAFA;
  --ink: #0B1B3D;
  --gold: #A9BCCD;
  --gold-light: #A9BCCD;
  --rust: #E5E4E2;
  --sage: #E5E4E2;
  --sage-light: #FAFAFA;
  --paper: #FAFAFA;
  --muted: rgba(11, 27, 61, 0.68);
  --border: rgba(169, 188, 205, 0.18);
  --accent-color: var(--gold);
  --border-color: var(--border);
  --timeline-frame: rgba(11, 27, 61, 0.24);
  --timeline-frame-soft: rgba(11, 27, 61, 0.16);
  --timeline-frame-glow: rgba(169, 188, 205, 0.2);
  --tile-shadow-color: rgba(169, 188, 205, 0.16);
  --surface-shadow: 0 18px 48px rgba(11, 27, 61, 0.08);
  --surface-shadow-strong: 0 24px 70px rgba(11, 27, 61, 0.12);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);

  /* Fixed dark panel — always dark regardless of theme */
  --panel-dark-bg: #0B1B3D;
  --panel-dark-text: #FAFAFA;
  --panel-dark-muted: rgba(250, 250, 250, 0.5);
  --panel-dark-subtle: rgba(250, 250, 250, 0.22);
  --panel-dark-dim: rgba(250, 250, 250, 0.4);
  --panel-dark-mid: rgba(250, 250, 250, 0.55);
  --panel-dark-mono: rgba(250, 250, 250, 0.5);
  --panel-dark-ach-detail: rgba(250, 250, 250, 0.38);
  --panel-dark-border: rgba(250, 250, 250, 0.07);
}

/* ── DARK MODE ── */
@media (prefers-color-scheme: dark) {
  :root {
    --cream: #0B1B3D;
    --ink: #FAFAFA;
    --paper: #0B1B3D;
    --muted: #E5E4E2;
    --border: rgba(169, 188, 205, 0.22);
    --timeline-frame: rgba(169, 188, 205, 0.34);
    --timeline-frame-soft: rgba(169, 188, 205, 0.2);
    --timeline-frame-glow: rgba(169, 188, 205, 0.12);
    --panel-dark-bg: #0B1B3D;
  }
}

[data-theme="dark"] {
  --cream: #0B1B3D;
  --ink: #FAFAFA;
  --paper: #0B1B3D;
  --muted: #E5E4E2;
  --border: rgba(169, 188, 205, 0.22);
  --timeline-frame: rgba(169, 188, 205, 0.34);
  --timeline-frame-soft: rgba(169, 188, 205, 0.2);
  --timeline-frame-glow: rgba(169, 188, 205, 0.12);
  --panel-dark-bg: #0B1B3D;
}

[data-theme="light"] {
  --cream: #FAFAFA;
  --ink: #0B1B3D;
  --paper: #FAFAFA;
  --muted: rgba(11, 27, 61, 0.68);
  --border: rgba(169, 188, 205, 0.18);
  --timeline-frame: rgba(11, 27, 61, 0.24);
  --timeline-frame-soft: rgba(11, 27, 61, 0.16);
  --timeline-frame-glow: rgba(169, 188, 205, 0.2);
  --surface-shadow: 0 18px 48px rgba(11, 27, 61, 0.08);
  --surface-shadow-strong: 0 24px 70px rgba(11, 27, 61, 0.12);
  --panel-dark-bg: #0B1B3D;
}

/* ── THEME TOGGLE BUTTON ── */
#theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: "Montserrat", sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  transition: all var(--transition);
  margin-left: 1.5rem;
  white-space: nowrap;
}

#theme-toggle:hover {
  border-color: var(--gold);
  color: var(--gold);
}

[data-theme="light"] #theme-toggle {
  background: rgba(250, 250, 250, 0.92);
  border-color: rgba(11, 27, 61, 0.18);
  color: var(--ink);
}

[data-theme="light"] #theme-toggle:hover {
  border-color: var(--gold);
  color: var(--gold);
}

#theme-toggle svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  transition: transform 0.4s ease;
}

#theme-toggle:hover svg {
  transform: rotate(20deg);
}

/* ── NAV adjustments for dark mode ── */
[data-theme="light"] nav,
[data-theme="light"] nav.scrolled {
  background: rgba(250, 250, 250, 0.88);
  border-bottom: 1px solid rgba(11, 27, 61, 0.08);
}

[data-theme="dark"] nav {
  background: rgba(7, 18, 42, 0.94);
  border-bottom: 1px solid rgba(250, 250, 250, 0.14);
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.38);
}

[data-theme="dark"] nav.scrolled {
  background: rgba(7, 18, 42, 0.98);
  border-bottom-color: rgba(169, 188, 205, 0.28);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.48);
}

[data-theme="dark"] .nav-logo,
[data-theme="dark"] .nav-links a,
[data-theme="dark"] #theme-toggle {
  color: #FAFAFA;
}

[data-theme="dark"] .nav-links a:hover,
[data-theme="dark"] .nav-links a.active,
[data-theme="dark"] #theme-toggle:hover {
  color: var(--gold-light);
}

[data-theme="dark"] #theme-toggle {
  border-color: rgba(250, 250, 250, 0.18);
}

[data-theme="dark"] .nav-hamburger span {
  background: #FAFAFA;
}

[data-theme="dark"] .mobile-nav {
  background: rgba(11, 27, 61, 0.97);
}

[data-theme="dark"] .mobile-nav a {
  color: #FAFAFA;
}

[data-theme="dark"] .mobile-nav a:hover,
[data-theme="dark"] .mobile-nav a:focus-visible {
  color: var(--gold-light);
}

@media (prefers-color-scheme: dark) {
  nav {
    background: rgba(7, 18, 42, 0.94);
    border-bottom: 1px solid rgba(250, 250, 250, 0.14);
    box-shadow: 0 10px 34px rgba(0, 0, 0, 0.38);
  }
  nav.scrolled {
    background: rgba(7, 18, 42, 0.98);
    border-bottom-color: rgba(169, 188, 205, 0.28);
  }
  .nav-logo,
  .nav-links a,
  #theme-toggle {
    color: #FAFAFA;
  }
  .nav-hamburger span {
    background: #FAFAFA;
  }
  .mobile-nav {
    background: rgba(11, 27, 61, 0.97);
  }
  .mobile-nav a {
    color: #FAFAFA;
  }
}

@media (max-width: 900px) {
  [data-theme="light"] nav {
    background: rgba(250, 250, 250, 0.88);
    border: 1px solid rgba(11, 27, 61, 0.08);
    box-shadow: 0 10px 28px rgba(11, 27, 61, 0.08);
  }

  [data-theme="light"] nav.scrolled {
    background: rgba(250, 250, 250, 0.88);
  }

  [data-theme="dark"] nav {
    background: rgba(7, 18, 42, 0.88);
    border: 1px solid rgba(250, 250, 250, 0.16);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.38);
  }

  [data-theme="dark"] nav.scrolled {
    background: rgba(7, 18, 42, 0.94);
  }
}

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

body {
  background: var(--cream);
  color: var(--ink);
  font-family: "Open Sans", sans-serif;
  font-weight: 300;
  overflow-x: hidden;
  cursor: none;
}

body.no-scroll {
  overflow: hidden;
}

img,
svg {
  max-width: 100%;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 10001;
  padding: 0.65rem 0.9rem;
  background: var(--ink);
  color: var(--cream);
  font-family: "Montserrat", sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-150%);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}

/* ── CUSTOM CURSOR ── */
#cursor-dot,
#cursor-ring {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
}

#cursor-dot {
  width: 6px;
  height: 6px;
  background: var(--gold);
  top: 0;
  left: 0;
}

#cursor-ring {
  width: 32px;
  height: 32px;
  border: 1.5px solid var(--gold);
  top: 0;
  left: 0;
  transition:
    transform 0.12s ease,
    width 0.3s,
    height 0.3s,
    border-color 0.3s;
  opacity: 0.6;
}

#cursor-ring.hovered {
  width: 52px;
  height: 52px;
  border-color: var(--gold-light);
  opacity: 1;
}

/* ── NOISE OVERLAY ── */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9998;
  opacity: 0.4;
}

/* ── LOADING SCREEN ── */
#loader {
  position: fixed;
  inset: 0;
  background: var(--cream);
  z-index: 9997;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1.5rem;
  transition:
    opacity 0.6s ease,
    visibility 0.6s;
}

#loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-name {
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-logo-mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.site-logo-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.site-logo-dark {
  display: none;
}

[data-theme="dark"] .site-logo-light {
  display: none;
}

[data-theme="dark"] .site-logo-dark {
  display: block;
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .site-logo-light {
    display: none;
  }

  html:not([data-theme="light"]) .site-logo-dark {
    display: block;
  }
}

.loader-logo-mark {
  width: 96px;
  height: 96px;
}

.loader-bar-wrap {
  width: 200px;
  height: 1px;
  background: var(--border);
  overflow: hidden;
}

.loader-bar {
  height: 100%;
  background: var(--gold);
  width: 0%;
  transition: width 1.2s ease;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem clamp(1.25rem, 4vw, 4rem);
  background: rgba(250, 250, 250, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 8px 30px rgba(11, 27, 61, 0.08);
  border-bottom: 1px solid var(--border);
  transition:
    padding var(--transition),
    box-shadow var(--transition);
}

nav.scrolled {
  padding: 1rem clamp(1.25rem, 4vw, 4rem);
  box-shadow: 0 4px 40px rgba(11, 27, 61, 0.08);
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  text-decoration: none;
  transition:
    transform var(--transition),
    opacity var(--transition);
}

.nav-logo:hover {
  transform: translateY(-1px);
}

.nav-logo-mark {
  width: 100%;
  height: 100%;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-family: "Montserrat", sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  position: relative;
  transition: color var(--transition);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--gold);
}
.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--gold);
}
.nav-links a.active::after {
  width: 100%;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: all var(--transition);
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ── Mobile NAV ── */

.mobile-nav {
  display: none;
  position: fixed;
  top: 100px;
  left: 0.9rem;
  right: 0.9rem;
  background: rgba(11, 27, 61, 0.94);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(250, 250, 250, 0.06);
  border-radius: 18px;
  box-shadow: 0 18px 44px rgba(11, 27, 61, 0.28);
  z-index: 490;
  font-feature-settings: "ss01", "ss02";
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  padding: 0.7rem;
  gap: 0.25rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.985);
  transform-origin: top center;
  transition:
    opacity 0.28s ease,
    visibility 0.28s ease,
    transform 0.28s ease;
  max-height: min(70vh, 420px);
  overflow-y: auto;
}

.mobile-nav.open {
  display: flex;
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.mobile-nav a {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-align: left;
  font-family: "Open Sans", sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: #FAFAFA;
  text-decoration: none;
  padding: 0.82rem 0.95rem;
  border-radius: 14px;
  opacity: 0;
  transform: translateY(10px);
  transition:
    background var(--transition),
    color var(--transition),
    transform 0.38s ease,
    opacity 0.38s ease;
}

.mobile-nav.open a {
  opacity: 0.94;
  transform: translateY(0);
}

.mobile-nav a:hover,
.mobile-nav a:focus-visible,
.mobile-nav a.active {
  background: linear-gradient(
    90deg,
    rgba(169, 188, 205, 0.18),
    rgba(169, 188, 205, 0.08)
  );
  color: var(--gold);
  box-shadow: 0 4px 14px rgba(169, 188, 205, 0.18);
}

.mobile-nav a .mobile-nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: currentColor;
  opacity: 0.9;
}

.mobile-nav a .mobile-nav-label {
  display: inline-flex;
  align-items: center;
}

.mobile-nav.open a:nth-child(1) {
  transition-delay: 0.04s;
}
.mobile-nav.open a:nth-child(2) {
  transition-delay: 0.08s;
}
.mobile-nav.open a:nth-child(3) {
  transition-delay: 0.12s;
}
.mobile-nav.open a:nth-child(4) {
  transition-delay: 0.16s;
}
.mobile-nav.open a:nth-child(5) {
  transition-delay: 0.2s;
}
.mobile-nav.open a:nth-child(6) {
  transition-delay: 0.24s;
}
.mobile-nav.open a:nth-child(7) {
  transition-delay: 0.28s;
}

/* ── PROGRESS BAR ── */
#progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(to right, var(--gold), var(--gold-light));
  z-index: 9996;
  width: 0%;
  transition: width 0.1s linear;
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  overflow: hidden;
}

[data-theme="light"] .hero {
  background:
    radial-gradient(
      circle at 12% 20%,
      rgba(169, 188, 205, 0.28) 0%,
      rgba(169, 188, 205, 0.08) 28%,
      transparent 46%
    ),
    radial-gradient(
      circle at 82% 14%,
      rgba(221, 186, 137, 0.2) 0%,
      transparent 34%
    ),
    linear-gradient(135deg, rgba(229, 228, 226, 0.42), transparent 48%),
    var(--cream);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -8% -28% 42%;
  height: 56%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(169, 188, 205, 0.16) 0%,
    transparent 68%
  );
  pointer-events: none;
  z-index: 0;
}

[data-theme="dark"] .hero::after {
  display: none;
}

.hero-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(8rem, 12vh, 10rem) clamp(1.25rem, 4vw, 4rem)
    clamp(4rem, 8vh, 6rem);
  position: relative;
  z-index: 2;
}

.hero-tag {
  font-family: "Montserrat", sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.5s forwards;
}

.hero-tag::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: var(--gold);
}

.hero-name {
  font-family: "Montserrat", sans-serif;
  font-size: clamp(3.5rem, 6vw, 5.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 0.25rem;
  opacity: 0;
  animation: fadeUp 0.9s 0.65s forwards;
}

.hero-name .italic {
  font-style: italic;
  color: var(--gold);
}

.hero-subtitle {
  font-family: "Montserrat", sans-serif;
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-style: italic;
  color: var(--muted);
  margin: 1.5rem 0 2.5rem;
  line-height: 1.6;
  max-width: 36ch;
  opacity: 0;
  animation: fadeUp 0.9s 0.8s forwards;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeUp 0.9s 0.95s forwards;
}

.badge {
  font-family: "Montserrat", sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 0.9rem;
  border: 1px solid;
  border-radius: 2rem;
  transition: all var(--transition);
}

.badge:hover {
  transform: translateY(-2px);
}

.badge-gold {
  border-color: var(--gold);
  color: var(--gold);
}
.badge-gold:hover {
  background: var(--gold);
  color: var(--cream);
}

.badge-sage {
  border-color: var(--sage);
  color: var(--sage);
}
.badge-sage:hover {
  background: var(--sage);
  color: var(--cream);
}

.badge-rust {
  border-color: var(--rust);
  color: var(--rust);
}
.badge-rust:hover {
  background: var(--rust);
  color: var(--cream);
}

[data-theme="light"] .badge-sage,
[data-theme="light"] .badge-rust {
  border-color: rgba(11, 27, 61, 0.22);
  color: rgba(11, 27, 61, 0.58);
  background: rgba(250, 250, 250, 0.56);
}

[data-theme="light"] .badge-gold {
  border-color: rgba(169, 188, 205, 0.72);
  color: rgba(11, 27, 61, 0.62);
}

[data-theme="light"] .badge-sage:hover,
[data-theme="light"] .badge-rust:hover,
[data-theme="light"] .badge-gold:hover {
  border-color: var(--gold);
  background: rgba(169, 188, 205, 0.18);
  color: var(--ink);
}

.hero-cta {
  display: flex;
  gap: 1rem;
  opacity: 0;
  animation: fadeUp 0.9s 1.1s forwards;
}

.btn-primary {
  font-family: "Montserrat", sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  background: var(--ink);
  color: var(--cream);
  border: none;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition:
    background var(--transition),
    transform var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: translateX(-100%);
  transition: transform var(--transition);
  z-index: 0;
}

.btn-primary:hover::before {
  transform: translateX(0);
}
.btn-primary:hover {
  transform: translateY(-2px);
}
.btn-primary span {
  position: relative;
  z-index: 1;
}

.btn-secondary {
  font-family: "Montserrat", sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition);
}

.btn-secondary:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

.hero-right {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-right::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 60% 40%,
      rgba(169, 188, 205, 0.12) 0%,
      transparent 60%
    ),
    radial-gradient(
      ellipse at 30% 70%,
      rgba(229, 228, 226, 0.08) 0%,
      transparent 50%
    );
}

.hero-graphic {
  position: relative;
  width: min(420px, 82%);
  aspect-ratio: 1 / 1;
  opacity: 0;
  animation: fadeUp 1s 1.2s forwards;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: clamp(0.75rem, 2vw, 1rem);
  width: 100%;
}

.timeline-tile {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--timeline-frame);
  background:
    linear-gradient(
      115deg,
      transparent 0%,
      transparent 42%,
      rgba(169, 188, 205, 0.08) 50%,
      transparent 58%,
      transparent 100%
    ),
    var(--paper);
  background-size: 220% 220%, auto;
  color: inherit;
  overflow: hidden;
  box-shadow:
    inset 0 0 0 1px var(--timeline-frame-soft),
    0 16px 34px var(--timeline-frame-glow);
  transform: translateY(18px);
  opacity: 0;
  animation: tileScan 12s linear infinite;
  transition:
    transform 0.35s ease,
    opacity 0.5s ease,
    border-color 0.35s ease,
    box-shadow 0.35s ease;
}

.timeline-tile::before,
.timeline-tile::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.timeline-tile::before {
  inset: 0.55rem;
  border: 1px solid var(--timeline-frame);
  opacity: 0.48;
}

.timeline-tile::after {
  top: 0;
  right: 0;
  width: 34%;
  height: 34%;
  border-left: 1px solid var(--timeline-frame);
  border-bottom: 1px solid var(--timeline-frame);
  opacity: 0.34;
}

.timeline-tile.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.timeline-tile:hover {
  border-color: var(--accent-color);
  transform: translateY(-6px);
  box-shadow:
    inset 0 0 0 1px var(--timeline-frame-soft),
    0 18px 40px var(--tile-shadow-color);
}

.timeline-tile:hover::before,
.timeline-tile:hover::after {
  border-color: var(--accent-color);
}

.tile-number,
.tile-code {
  position: absolute;
  z-index: 1;
  font-family: inherit;
  font-weight: 800;
  line-height: 1;
  color: var(--muted);
  opacity: 0.74;
  transition:
    color 0.35s ease,
    opacity 0.35s ease;
}

.tile-number {
  top: 0.75rem;
  left: 0.75rem;
  font-size: clamp(0.72rem, 1.7vw, 0.92rem);
}

.tile-code {
  top: 0.72rem;
  right: 0.75rem;
  font-size: clamp(0.62rem, 1.5vw, 0.78rem);
  text-transform: uppercase;
}

.timeline-tile:hover .tile-number,
.timeline-tile:hover .tile-code {
  color: var(--accent-color);
  opacity: 1;
}

.tile-atom {
  position: absolute;
  z-index: 1;
  top: 23%;
  left: 22%;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--accent-color);
  opacity: 0.36;
  box-shadow: 0 0 18px var(--accent-color);
  animation: atomDrift 9s ease-in-out infinite;
}

.timeline-tile:nth-child(2) {
  animation-delay: -3s;
}

.timeline-tile:nth-child(3) {
  animation-delay: -6s;
}

.timeline-tile:nth-child(4) {
  animation-delay: -9s;
}

.timeline-tile:nth-child(2) .tile-atom {
  top: 63%;
  left: 72%;
  animation-delay: -2s;
}

.timeline-tile:nth-child(3) .tile-atom {
  top: 68%;
  left: 28%;
  animation-delay: -4s;
}

.timeline-tile:nth-child(4) .tile-atom {
  top: 24%;
  left: 70%;
  animation-delay: -6s;
}

.tile-heading {
  position: relative;
  z-index: 1;
  margin: 0;
  font-family: inherit;
  font-size: clamp(1.8rem, 5vw, 3.25rem);
  font-weight: 900;
  line-height: 1;
  text-align: center;
  color: var(--ink);
}

.timeline-tile p {
  position: absolute;
  z-index: 1;
  left: 0.75rem;
  bottom: 0.7rem;
  max-width: calc(100% - 1.5rem);
  margin: 0;
  font-family: inherit;
  font-size: clamp(0.55rem, 1.6vw, 0.68rem);
  font-weight: 700;
  line-height: 1.35;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0.72;
}

@keyframes tileScan {
  0% {
    background-position: 120% 0, 0 0;
  }
  100% {
    background-position: -120% 0, 0 0;
  }
}

@keyframes atomDrift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.28;
  }
  50% {
    transform: translate3d(0.7rem, -0.55rem, 0) scale(1.35);
    opacity: 0.48;
  }
}

@keyframes eduAtomSpin {
  from {
    transform: rotate(0deg) scale(1);
    opacity: 0.58;
  }
  50% {
    opacity: 0.78;
  }
  to {
    transform: rotate(360deg) scale(1);
    opacity: 0.58;
  }
}

@keyframes eduAtomTilt {
  from {
    transform: rotate(-24deg);
    opacity: 0.42;
  }
  50% {
    opacity: 0.62;
  }
  to {
    transform: rotate(336deg);
    opacity: 0.42;
  }
}

@media (prefers-reduced-motion: reduce) {
  .timeline-tile,
  .tile-atom,
  .signal-orbit span,
  .academic-card-media::before,
  .academic-card-media::after {
    animation: none;
  }
}

/* ── MARQUEE ── */
.marquee-wrap {
  overflow: hidden;
  border-top: 1px solid rgba(169, 188, 205, 0.2);
  border-bottom: 1px solid rgba(169, 188, 205, 0.2);
  padding: 0.9rem 0;
  background: var(--ink);
}

.marquee-track {
  display: flex;
  animation: marquee 28s linear infinite;
  white-space: nowrap;
}

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

.marquee-item {
  font-family: "Montserrat", sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  padding: 0 2.5rem;
  flex-shrink: 0;
}

.marquee-item span {
  color: var(--cream);
  opacity: 0.35;
  margin: 0 0.5rem;
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* ── SECTIONS SHARED ── */
section {
  padding: clamp(4.5rem, 8vw, 6rem) clamp(1rem, 4vw, 4rem);
}

.section-label {
  font-family: "Montserrat", sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-label::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: var(--gold);
}

.section-title {
  font-family: "Montserrat", sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 3rem;
}

.section-title em {
  font-style: italic;
  color: var(--gold);
}

/* ── ABOUT ── */
#about.profile-lab {
  display: block;
  background:
    linear-gradient(135deg, rgba(169, 188, 205, 0.08), transparent 36%),
    var(--paper);
}

.profile-lab-head {
  max-width: 860px;
}

.profile-lab-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 1.2rem;
  align-items: stretch;
}

.profile-dossier,
.profile-signal-board,
.academic-card,
.growth-panel {
  border: 1px solid var(--border);
  background: rgba(250, 250, 250, 0.58);
}

[data-theme="dark"] .profile-dossier,
[data-theme="dark"] .profile-signal-board,
[data-theme="dark"] .academic-card,
[data-theme="dark"] .growth-panel {
  background: rgba(11, 27, 61, 0.42);
}

.profile-dossier {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.4rem, 3vw, 2.6rem);
}

.profile-dossier-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  font-family: "Montserrat", sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
}

.profile-location {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--muted);
}

.profile-lead {
  max-width: 18ch;
  font-family: "Montserrat", sans-serif;
  font-size: clamp(2rem, 4.6vw, 4.6rem);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.06em;
  color: var(--ink);
}

.profile-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.3rem;
  margin-top: 2.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--border);
}

.profile-copy p,
.academic-lab-head p,
.academic-card-content p,
.growth-panel p {
  color: var(--muted);
  line-height: 1.75;
}

.profile-signal-board {
  position: relative;
  min-height: 430px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.2rem, 2.4vw, 2rem);
  overflow: hidden;
}

.profile-signal-board::before {
  content: "";
  position: absolute;
  inset: 1rem;
  border: 1px solid var(--border);
  opacity: 0.45;
  pointer-events: none;
}

.signal-orbit {
  position: relative;
  width: min(100%, 320px);
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  margin: 0 auto;
}

.signal-orbit span {
  position: absolute;
  inset: 18%;
  z-index: 0;
  border: 1.5px solid rgba(169, 188, 205, 0.5);
  border-radius: 50%;
  box-shadow: 0 0 24px rgba(169, 188, 205, 0.14);
  animation: eduAtomSpin 24s linear infinite;
}

.signal-orbit span:nth-child(2) {
  inset: auto;
  width: 86%;
  height: 31%;
  border-color: rgba(169, 188, 205, 0.42);
  animation: eduAtomTilt 30s linear infinite;
}

.signal-photo-frame {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: clamp(190px, 72%, 248px);
  aspect-ratio: 1 / 1;
  border: 2px solid var(--gold);
  border-radius: 50%;
  background: var(--paper);
  padding: 0.18rem;
  box-shadow: 0 18px 45px rgba(169, 188, 205, 0.2);
  overflow: hidden;
}

.signal-photo-frame img {
  width: 112%;
  height: 112%;
  display: block;
  border-radius: 50%;
  object-fit: cover;
  object-position: 58% 34%;
  background: rgba(169, 188, 205, 0.12);
}

[data-theme="dark"] .signal-photo-frame {
  background: var(--cream);
}

.signal-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.55rem;
}

.signal-list span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--border);
  background: rgba(169, 188, 205, 0.08);
  color: var(--ink);
  font-family: "Montserrat", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-list svg {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  color: var(--gold);
  opacity: 0.82;
  order: 2;
}

[data-theme="light"] .profile-dossier,
[data-theme="light"] .profile-signal-board,
[data-theme="light"] .academic-card,
[data-theme="light"] .growth-panel,
[data-theme="light"] .work-feature,
[data-theme="light"] .work-node,
[data-theme="light"] .innovation-feature,
[data-theme="light"] .innovation-module,
[data-theme="light"] .capability-core,
[data-theme="light"] .capability-card,
[data-theme="light"] .link-card {
  border-color: rgba(11, 27, 61, 0.1);
  box-shadow:
    var(--surface-shadow),
    inset 0 1px 0 rgba(250, 250, 250, 0.9);
}

[data-theme="light"] .profile-dossier,
[data-theme="light"] .profile-signal-board,
[data-theme="light"] .academic-card,
[data-theme="light"] .growth-panel,
[data-theme="light"] .work-node,
[data-theme="light"] .innovation-feature,
[data-theme="light"] .innovation-module,
[data-theme="light"] .capability-core,
[data-theme="light"] .capability-card,
[data-theme="light"] .link-card {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(169, 188, 205, 0.08)),
    rgba(250, 250, 250, 0.82);
}

[data-theme="light"] .work-feature {
  background:
    linear-gradient(90deg, rgba(169, 188, 205, 0.12) 1px, transparent 1px),
    linear-gradient(180deg, rgba(169, 188, 205, 0.12) 1px, transparent 1px),
    linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(169, 188, 205, 0.08)),
    rgba(250, 250, 250, 0.82);
  background-size: 48px 48px, 48px 48px, auto, auto;
}

[data-theme="light"] .profile-dossier:hover,
[data-theme="light"] .profile-signal-board:hover,
[data-theme="light"] .academic-card:hover,
[data-theme="light"] .growth-panel:hover,
[data-theme="light"] .work-feature:hover,
[data-theme="light"] .work-node:hover,
[data-theme="light"] .innovation-feature:hover,
[data-theme="light"] .innovation-module:hover,
[data-theme="light"] .capability-core:hover,
[data-theme="light"] .capability-card:hover,
[data-theme="light"] .link-card:hover {
  box-shadow:
    var(--surface-shadow-strong),
    inset 0 1px 0 rgba(250, 250, 250, 0.95);
}

/* ── EDUCATION ── */
#education {
  background: var(--paper);
}

#education.academic-lab {
  background:
    linear-gradient(180deg, var(--paper), rgba(229, 228, 226, 0.32)),
    var(--paper);
}

.academic-lab-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.6fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 2.5rem;
}

.academic-lab-head .section-title {
  margin-bottom: 0;
}

.academic-card-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 1.2rem;
}

.academic-card {
  min-height: 360px;
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.academic-card:hover,
.growth-panel:hover {
  transform: translateY(-6px);
  border-color: var(--gold);
  box-shadow: 0 18px 50px rgba(169, 188, 205, 0.2);
}

.academic-card-feature {
  grid-template-columns: 230px 1fr;
  grid-template-rows: 1fr;
}

.academic-card-media {
  position: relative;
  min-height: 220px;
  display: grid;
  place-items: center;
  background:
    linear-gradient(90deg, rgba(169, 188, 205, 0.09) 1px, transparent 1px),
    linear-gradient(180deg, rgba(169, 188, 205, 0.09) 1px, transparent 1px),
    linear-gradient(135deg, rgba(169, 188, 205, 0.14), transparent),
    rgba(229, 228, 226, 0.48);
  background-size: 34px 34px, 34px 34px, auto, auto;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.academic-card-media::before,
.academic-card-media::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.academic-card-media::before {
  width: 178px;
  height: 178px;
  border: 1.5px solid rgba(169, 188, 205, 0.62);
  border-radius: 50%;
  box-shadow: 0 0 26px rgba(169, 188, 205, 0.2);
  animation: eduAtomSpin 24s linear infinite;
}

.academic-card-media::after {
  width: 238px;
  height: 78px;
  border: 1.5px solid rgba(169, 188, 205, 0.48);
  border-radius: 50%;
  box-shadow: 0 0 20px rgba(169, 188, 205, 0.14);
  animation: eduAtomTilt 30s linear infinite;
}

.academic-card-feature .academic-card-media {
  border-right: 1px solid var(--border);
  border-bottom: 0;
}

.academic-card-media .edu-logo {
  position: relative;
  z-index: 1;
  width: 136px;
  height: 136px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 12px 22px rgba(11, 27, 61, 0.14));
}

.academic-card-feature .academic-card-media .edu-logo {
  width: 150px;
  height: 150px;
}

.edu-media-code,
.edu-media-detail {
  position: absolute;
  z-index: 1;
  font-family: "Montserrat", sans-serif;
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}

.edu-media-code {
  top: 1rem;
  left: 1rem;
}

.edu-media-detail {
  right: 1rem;
  bottom: 1rem;
  color: var(--muted);
}

.academic-card-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: clamp(1.2rem, 2.4vw, 2rem);
}

.academic-date {
  display: inline-flex;
  margin-bottom: auto;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--border);
  color: var(--gold);
  font-family: "Montserrat", sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.academic-card h3,
.growth-panel h3 {
  margin: 1.6rem 0 0.6rem;
  color: var(--ink);
  font-family: "Montserrat", sans-serif;
  font-size: clamp(1.35rem, 2.5vw, 2.2rem);
  line-height: 1.1;
}

.academic-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.4rem;
  color: var(--ink);
  font-family: "Montserrat", sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition:
    color var(--transition),
    transform var(--transition);
}

.academic-link:hover {
  color: var(--gold);
  transform: translateX(3px);
}

.academic-link svg {
  width: 14px;
  height: 14px;
}

.growth-panel {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) auto;
  gap: 1.4rem;
  align-items: center;
  margin-top: 1.2rem;
  padding: clamp(1.2rem, 2.5vw, 2rem);
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.growth-panel .section-label {
  margin-bottom: 0.7rem;
}

.growth-panel h3 {
  margin-top: 0;
}

.growth-panel-icon {
  width: 88px;
  height: 88px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  color: var(--gold);
  background: rgba(169, 188, 205, 0.08);
}

.growth-panel-icon svg {
  width: 38px;
  height: 38px;
}

.growth-link {
  margin-top: 0;
  white-space: nowrap;
}

/* ── EXPERIENCE ── */
#experience.work-lab {
  background:
    linear-gradient(180deg, var(--cream), rgba(229, 228, 226, 0.28)),
    var(--cream);
}

.work-lab-head,
.recognition-head,
.innovation-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 2.5rem;
}

.work-lab-head .section-title,
.recognition-head .section-title,
.innovation-head .section-title {
  margin-bottom: 0;
}

.work-lab-head p,
.recognition-head p,
.innovation-head p {
  color: var(--muted);
  line-height: 1.75;
}

.work-console {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: 1.2rem;
}

.work-feature,
.work-node,
.innovation-feature,
.innovation-module {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(250, 250, 250, 0.58);
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

[data-theme="dark"] .work-feature,
[data-theme="dark"] .work-node,
[data-theme="dark"] .innovation-feature,
[data-theme="dark"] .innovation-module {
  background: rgba(11, 27, 61, 0.42);
}

.work-feature:hover,
.work-node:hover,
.innovation-feature:hover,
.innovation-module:hover {
  border-color: var(--gold);
  transform: translateY(-6px);
  box-shadow: 0 18px 50px rgba(169, 188, 205, 0.18);
}

.work-feature {
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(1.5rem, 3vw, 3rem);
  background:
    linear-gradient(90deg, rgba(169, 188, 205, 0.12) 1px, transparent 1px),
    linear-gradient(180deg, rgba(169, 188, 205, 0.12) 1px, transparent 1px),
    rgba(250, 250, 250, 0.58);
  background-size: 48px 48px;
}

[data-theme="dark"] .work-feature {
  background:
    linear-gradient(90deg, rgba(169, 188, 205, 0.11) 1px, transparent 1px),
    linear-gradient(180deg, rgba(169, 188, 205, 0.11) 1px, transparent 1px),
    rgba(11, 27, 61, 0.42);
}

.work-feature::before {
  content: "";
  position: absolute;
  inset: 1rem;
  border: 1px solid var(--border);
  opacity: 0.5;
  pointer-events: none;
}

.work-feature-mark {
  position: absolute;
  top: 1.2rem;
  right: 1.4rem;
  font-family: "Montserrat", sans-serif;
  font-size: clamp(4rem, 11vw, 8rem);
  font-weight: 900;
  line-height: 0.8;
  color: rgba(169, 188, 205, 0.16);
}

.work-kicker,
.recognition-meta,
.innovation-type {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 1rem;
  color: var(--gold);
  font-family: "Montserrat", sans-serif;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.work-feature h3,
.work-node h3,
.recognition-card h3,
.innovation-feature h3,
.innovation-module h3 {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--ink);
  font-family: "Montserrat", sans-serif;
  line-height: 1.08;
}

.work-feature h3 {
  max-width: 9ch;
  font-size: clamp(2.4rem, 7vw, 5.8rem);
  font-weight: 900;
}

.work-feature p,
.work-node p,
.innovation-feature p,
.innovation-module p {
  position: relative;
  z-index: 1;
  max-width: 62ch;
  margin-top: 1rem;
  color: var(--muted);
  line-height: 1.75;
}

.work-stack {
  display: grid;
  grid-template-rows: repeat(2, 1fr);
  gap: 1.2rem;
}

.work-node {
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.25rem, 2.4vw, 2rem);
}

.work-node::after,
.innovation-module::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.work-node:hover::after,
.innovation-module:hover::after {
  transform: scaleX(1);
}

.work-node h3 {
  font-size: clamp(1.35rem, 2.8vw, 2.2rem);
  font-weight: 800;
}

.work-node-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-family: "Montserrat", sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.work-node-footer span:last-child {
  color: var(--gold);
  font-weight: 900;
}

.exp-tags {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

.exp-tag {
  font-family: "Montserrat", sans-serif;
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  background: rgba(169, 188, 205, 0.1);
  color: var(--gold);
  border-radius: 2rem;
  transition: all var(--transition);
}

.exp-tag:hover {
  background: var(--gold);
  color: var(--cream);
}

/* ── ACHIEVEMENTS ── */
#achievements.recognition-panel {
  background: var(--panel-dark-bg);
  color: var(--panel-dark-text);
}

.recognition-panel .section-title {
  color: var(--panel-dark-text);
}

.recognition-panel .section-title em,
.recognition-panel .section-label,
.recognition-symbol {
  color: var(--gold-light);
}

.recognition-panel .section-label::before {
  background: var(--gold-light);
}

.recognition-head p {
  color: var(--panel-dark-mid);
}

.recognition-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--panel-dark-border);
}

.recognition-card {
  min-height: 230px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(1.2rem, 2.4vw, 2rem);
  background: var(--panel-dark-bg);
  transition:
    background var(--transition),
    transform var(--transition);
}

.recognition-card-wide {
  grid-column: span 2;
  display: grid;
  grid-template-columns: minmax(100px, 0.55fr) minmax(0, 1fr);
  gap: 1.2rem;
  align-items: end;
}

.recognition-card::before {
  content: "";
  position: absolute;
  inset: 0.8rem;
  border: 1px solid var(--panel-dark-border);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.recognition-card:hover {
  background: rgba(169, 188, 205, 0.12);
  transform: translateY(-4px);
}

.recognition-card:hover::before {
  opacity: 1;
}

.recognition-symbol {
  position: relative;
  z-index: 1;
  display: block;
  margin-bottom: 1rem;
  font-family: "Montserrat", sans-serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  line-height: 0.9;
}

.recognition-card-wide .recognition-symbol {
  margin-bottom: 0;
}

.recognition-card h3 {
  color: var(--panel-dark-text);
  font-size: clamp(1.05rem, 2vw, 1.65rem);
  font-weight: 800;
}

.recognition-card p {
  position: relative;
  z-index: 1;
  margin-top: 0.7rem;
  color: var(--panel-dark-mid);
  font-size: 0.86rem;
  line-height: 1.65;
}

/* ── PROJECTS ── */
#projects.innovation-lab {
  background:
    linear-gradient(135deg, rgba(169, 188, 205, 0.12), transparent 35%),
    var(--paper);
}

.innovation-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 1.2rem;
  align-items: stretch;
}

.innovation-feature {
  min-height: 560px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(1.5rem, 3vw, 3rem);
}

.innovation-feature::before {
  content: "";
  position: absolute;
  inset: 1rem;
  border: 1px solid var(--border);
  opacity: 0.45;
  pointer-events: none;
}

.innovation-number {
  display: inline-flex;
  color: var(--gold);
  font-family: "Montserrat", sans-serif;
  font-weight: 900;
  line-height: 1;
}

.innovation-feature > .innovation-number {
  position: absolute;
  top: 1.2rem;
  left: 1.4rem;
  font-size: clamp(4rem, 12vw, 9rem);
  color: rgba(169, 188, 205, 0.16);
}

.innovation-feature h3 {
  max-width: 12ch;
  font-size: clamp(2.2rem, 6vw, 5.2rem);
  font-weight: 900;
}

.innovation-metrics {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 2rem;
  background: var(--border);
}

.innovation-metrics span {
  padding: 0.8rem;
  background: var(--paper);
  color: var(--ink);
  font-family: "Montserrat", sans-serif;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.innovation-stack {
  display: grid;
  gap: 1.2rem;
}

.innovation-module {
  min-height: 170px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 1rem;
  align-content: center;
  padding: clamp(1.2rem, 2.4vw, 2rem);
}

.innovation-module .innovation-number {
  grid-row: span 2;
  min-width: 44px;
  padding-top: 0.2rem;
  font-size: 1.45rem;
}

.innovation-module h3 {
  font-size: clamp(1.1rem, 2vw, 1.55rem);
  font-weight: 800;
}

.innovation-module p {
  margin-top: 0.65rem;
  font-size: 0.86rem;
}

/* ── SKILLS ── */
#skills.capability-lab {
  background:
    linear-gradient(180deg, rgba(229, 228, 226, 0.28), transparent 48%),
    var(--cream);
}

.capability-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 2.5rem;
}

.capability-head .section-title {
  margin-bottom: 0;
}

.capability-head p {
  color: var(--muted);
  line-height: 1.75;
}

.capability-board {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  gap: 1.2rem;
  align-items: stretch;
}

.capability-core,
.capability-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(250, 250, 250, 0.58);
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

[data-theme="dark"] .capability-core,
[data-theme="dark"] .capability-card {
  background: rgba(11, 27, 61, 0.42);
}

.capability-core:hover,
.capability-card:hover {
  border-color: var(--gold);
  transform: translateY(-6px);
  box-shadow: 0 18px 50px rgba(169, 188, 205, 0.18);
}

.capability-core {
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(1.4rem, 3vw, 2.8rem);
}

.capability-core::before {
  content: "";
  position: absolute;
  inset: 1rem;
  border: 1px solid var(--border);
  opacity: 0.45;
  pointer-events: none;
}

.capability-code,
.capability-number {
  color: var(--gold);
  font-family: "Montserrat", sans-serif;
  font-weight: 900;
  line-height: 1;
}

.capability-code {
  position: absolute;
  top: 1.4rem;
  left: 1.4rem;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.capability-orbit {
  position: absolute;
  top: 1.7rem;
  right: 1.7rem;
  width: clamp(120px, 18vw, 190px);
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  opacity: 0.9;
}

.capability-orbit span {
  position: absolute;
  inset: 16%;
  border: 1px solid var(--border);
  border-radius: 50%;
}

.capability-orbit span:nth-child(2) {
  transform: rotate(58deg);
}

.capability-python-icon {
  width: 62px;
  height: 62px;
  border: 1px solid var(--gold);
  color: var(--gold);
  background: var(--paper);
  padding: 0.9rem;
}

.capability-python-icon [stroke] {
  stroke: currentColor;
}

.capability-python-icon [fill]:not([fill="none"]) {
  fill: currentColor;
}

[data-theme="dark"] .capability-python-icon {
  background: var(--cream);
}

.capability-core h3,
.capability-card h3 {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--ink);
  font-family: "Montserrat", sans-serif;
  line-height: 1.08;
}

.capability-core h3 {
  max-width: 12ch;
  font-size: clamp(2.2rem, 4.4vw, 4.35rem);
  font-weight: 900;
}

.capability-core p,
.capability-card p {
  position: relative;
  z-index: 1;
  margin-top: 1rem;
  color: var(--muted);
  line-height: 1.75;
}

.capability-tags {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1.4rem;
}

.capability-tags span {
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--border);
  color: var(--gold);
  background: rgba(169, 188, 205, 0.08);
  font-family: "Montserrat", sans-serif;
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.capability-clusters {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.capability-card {
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(1.2rem, 2.5vw, 2rem);
}

.capability-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.capability-card:hover::after {
  transform: scaleX(1);
}

.capability-number {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  font-size: clamp(2rem, 5vw, 4rem);
  color: rgba(169, 188, 205, 0.18);
}

.capability-card h3 {
  font-size: clamp(1.2rem, 2.4vw, 1.8rem);
  font-weight: 800;
}

.capability-card p {
  font-size: 0.88rem;
}

/* ── SOCIAL / LINKS ── */
#links {
  background: var(--paper);
  text-align: center;
}

.links-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.link-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--cream);
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--ink);
  font-size: 0.85rem;
  font-family: "Open Sans", sans-serif;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.link-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: translateY(100%);
  transition: transform var(--transition);
  z-index: 0;
}

.link-card:hover::before {
  transform: translateY(0);
}
.link-card:hover {
  color: var(--cream);
  border-color: var(--gold);
}

.link-card > * {
  position: relative;
  z-index: 1;
}

.link-card-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ── SOCIAL ICONS SECTION ── */
#social {
  background: var(--panel-dark-bg);
  padding: 4rem;
  text-align: center;
}

.social-title {
  font-family: "Montserrat", sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--panel-dark-dim);
  margin-bottom: 2rem;
}

.social-icons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(169, 188, 205, 0.25);
  color: var(--panel-dark-mid);
  text-decoration: none;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.social-link::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: scale(0);
  border-radius: 50%;
  transition: transform var(--transition);
  z-index: 0;
}

.social-link:hover {
  color: var(--panel-dark-bg);
  border-color: var(--gold);
  transform: translateY(-4px);
}
.social-link:hover::before {
  transform: scale(1.5);
  border-radius: 0;
}

.social-link svg {
  position: relative;
  z-index: 1;
  width: 20px;
  height: 20px;
}

/* ── FOOTER ── */
footer {
  background: var(--panel-dark-bg);
  color: var(--panel-dark-text);
  padding: clamp(2rem, 4vw, 3.25rem) clamp(1.25rem, 4vw, 4rem);
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.8fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  border-top: 1px solid rgba(169, 188, 205, 0.15);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.9rem;
  min-width: 0;
}

.footer-logo-mark {
  width: 58px;
  height: 58px;
}

.footer-name {
  font-family: "Montserrat", sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.1;
  min-width: 0;
}

.footer-name span {
  color: var(--gold);
  font-style: italic;
}

.footer-tagline {
  font-size: 0.88rem;
  color: var(--panel-dark-muted);
  line-height: 1.55;
  max-width: 64ch;
}

.footer-right {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  justify-self: center;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: "Montserrat", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--panel-dark-mono);
}

.footer-contact-item svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--gold);
  opacity: 0.7;
}

.footer-contact-item a {
  color: var(--gold-light);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-contact-item a:hover {
  color: var(--panel-dark-text);
}

/* ── SCROLL TO TOP ── */
#scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--gold);
  color: var(--ink);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 400;
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity var(--transition),
    transform var(--transition);
}

#scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
}
#scroll-top:hover {
  background: var(--gold-light);
}
#scroll-top svg {
  width: 18px;
  height: 18px;
}

/* ── REVEAL ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 0.75s ease,
    transform 0.75s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition:
    opacity 0.75s ease,
    transform 0.75s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(32px);
  transition:
    opacity 0.75s ease,
    transform 0.75s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger delays */
.delay-1 {
  transition-delay: 0.1s;
}
.delay-2 {
  transition-delay: 0.2s;
}
.delay-3 {
  transition-delay: 0.3s;
}

/* ── KEYFRAMES ── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  .nav-links {
    gap: 1.35rem;
  }

  .nav-links a {
    font-size: 0.62rem;
    letter-spacing: 0.1em;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-left {
    min-height: 100svh;
    padding-top: 7.5rem;
    padding-bottom: 4rem;
  }

  .hero-right,
  .hero-right::before,
  .hero-graphic {
    display: none;
  }

  .profile-lab-grid,
  .academic-lab-head,
  .academic-card-grid,
  .academic-card-feature,
  .growth-panel,
  .work-lab-head,
  .recognition-head,
  .innovation-head,
  .capability-head,
  .work-console,
  .innovation-grid,
  .capability-board {
    grid-template-columns: 1fr;
  }

  .academic-card-feature .academic-card-media {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .recognition-grid,
  .capability-clusters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .capability-core {
    min-height: auto;
    padding-top: 7.5rem;
  }

  .capability-core h3 {
    max-width: 13ch;
    font-size: clamp(2.55rem, 8vw, 4.3rem);
  }

  .capability-orbit {
    top: 1.35rem;
    right: 1.35rem;
    width: clamp(118px, 26vw, 170px);
    opacity: 0.55;
  }

  .capability-python-icon {
    width: 56px;
    height: 56px;
    padding: 0.8rem;
  }
}

@media (max-width: 900px) {
  nav {
    top: 0.65rem;
    left: 0.8rem;
    right: 0.8rem;
    width: auto;
    margin: 0;
    padding: 0.72rem 0.9rem;
    min-height: 58px;
    gap: 0.65rem;
    border-radius: 18px;
    background: rgba(229, 228, 226, 0.74);
    border: 1px solid rgba(250, 250, 250, 0.06);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 12px 30px rgba(11, 27, 61, 0.22);
  }

  nav.scrolled {
    padding: 0.64rem 0.85rem;
    min-height: 54px;
    background: rgba(229, 228, 226, 0.82);
  }

  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
    width: 38px;
    height: 38px;
    align-items: center;
    justify-content: center;
    padding: 0;
    flex-shrink: 0;
  }

  .nav-hamburger span {
    width: 20px;
    height: 1.5px;
  }

  .nav-logo {
    font-size: 0.92rem;
    width: 50px;
    height: 50px;
    flex-shrink: 0;
  }

  #theme-toggle {
    margin-left: 0;
    padding: 0;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    justify-content: center;
    flex-shrink: 0;
    background: rgba(250, 250, 250, 0.04);
    border: 1px solid rgba(250, 250, 250, 0.08);
  }

  #theme-toggle span {
    display: none;
  }

  #theme-toggle svg {
    width: 15px;
    height: 15px;
  }

  [data-theme="light"] nav {
    background: rgba(250, 250, 250, 0.88);
    border: 1px solid rgba(11, 27, 61, 0.08);
    box-shadow: 0 12px 28px rgba(11, 27, 61, 0.08);
  }

  [data-theme="light"] nav.scrolled {
    background: rgba(250, 250, 250, 0.88);
  }

  [data-theme="light"] .mobile-nav {
    background: rgba(250, 250, 250, 0.94);
    border: 1px solid rgba(11, 27, 61, 0.08);
  }

  [data-theme="light"] .mobile-nav a {
    color: #0B1B3D;
  }

  [data-theme="dark"] .mobile-nav {
    background: rgba(11, 27, 61, 0.94);
  }

  [data-theme="dark"] .mobile-nav a {
    color: #FAFAFA;
  }

  .mobile-nav {
    top: 90px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-left {
    padding: 7rem 1rem 3rem;
  }

  .hero-right {
    display: none;
  }

  .hero-name {
    font-size: clamp(2.8rem, 13vw, 4.4rem);
    line-height: 0.98;
  }

  .hero-subtitle {
    font-size: 1rem;
    margin: 1.1rem 0 1.75rem;
    max-width: 100%;
  }

  .hero-badges {
    gap: 0.45rem;
    margin-bottom: 2rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary,
  .btn-secondary {
    justify-content: center;
    width: 100%;
  }

  section {
    padding: 4.5rem 1rem;
  }

  .section-title {
    font-size: clamp(2.2rem, 10vw, 3.4rem);
    line-height: 1.04;
    word-break: normal;
    overflow-wrap: anywhere;
  }

  .section-label {
    font-size: 0.62rem;
    letter-spacing: 0.18em;
  }

  .profile-lab-grid,
  .academic-lab-head,
  .academic-card-grid,
  .academic-card-feature,
  .growth-panel {
    grid-template-columns: 1fr;
  }

  .profile-dossier,
  .profile-signal-board {
    min-height: auto;
  }

  .profile-copy {
    grid-template-columns: 1fr;
  }

  .profile-lead {
    max-width: none;
    font-size: clamp(1.9rem, 9vw, 3rem);
  }

  .profile-dossier-top,
  .growth-panel {
    align-items: flex-start;
  }

  .academic-card-feature .academic-card-media {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .academic-card,
  .growth-panel {
    min-height: auto;
  }

  .growth-link {
    margin-top: 0.5rem;
  }

  .work-lab-head,
  .recognition-head,
  .innovation-head,
  .capability-head,
  .work-console,
  .innovation-grid,
  .capability-board {
    grid-template-columns: 1fr;
  }

  .work-feature,
  .innovation-feature {
    min-height: 420px;
  }

  .work-stack {
    grid-template-rows: none;
  }

  .recognition-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .recognition-card-wide {
    grid-column: span 2;
  }

  .work-node,
  .recognition-card,
  .innovation-module,
  .capability-card {
    min-height: auto;
  }

  .capability-core {
    min-height: auto;
    padding-top: 6.5rem;
  }

  .capability-clusters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .work-console,
  .recognition-grid,
  .innovation-grid,
  .capability-board,
  .links-grid {
    min-width: 0;
  }

  footer {
    grid-template-columns: 1fr;
    padding: 2.2rem 1rem;
    gap: 1.6rem;
  }

  .footer-right {
    justify-self: start;
  }

  #social {
    padding: 3rem 1rem;
  }

  body {
    cursor: default;
  }

  #cursor-dot,
  #cursor-ring {
    display: none;
  }
}

@media (max-width: 640px) {
  nav {
    top: 0.55rem;
    left: 0.65rem;
    right: 0.65rem;
    padding: 0.66rem 0.8rem;
    min-height: 54px;
    border-radius: 16px;
  }

  nav.scrolled {
    padding: 0.58rem 0.78rem;
    min-height: 50px;
  }

  .mobile-nav {
    top: 84px;
    left: 0.65rem;
    right: 0.65rem;
    padding: 0.6rem;
    border-radius: 16px;
    max-height: min(62vh, 360px);
  }

  .mobile-nav a {
    font-size: 0.82rem;
    padding: 0.68rem 0.82rem;
    border-radius: 12px;
  }

  .nav-logo {
    font-size: 0.86rem;
    width: 46px;
    height: 46px;
  }

  .nav-hamburger,
  #theme-toggle {
    width: 36px;
    height: 36px;
  }

  .section-title {
    font-size: clamp(2rem, 12vw, 3rem);
  }

  .hero-left {
    padding-top: 6.6rem;
  }
  .hero-right {
    display: none;
  }
  .hero-name {
    font-size: clamp(2.45rem, 14vw, 3.7rem);
  }

  .profile-dossier-top {
    flex-direction: column;
  }

  .signal-orbit {
    width: min(100%, 260px);
  }

  .academic-card h3,
  .growth-panel h3 {
    font-size: clamp(1.25rem, 8vw, 1.75rem);
  }

  .work-feature,
  .innovation-feature {
    min-height: 360px;
  }

  .work-feature h3,
  .innovation-feature h3 {
    max-width: none;
    font-size: clamp(2rem, 12vw, 3.2rem);
  }

  .work-feature-mark,
  .innovation-feature > .innovation-number {
    font-size: clamp(3.4rem, 22vw, 6rem);
  }

  .recognition-grid {
    grid-template-columns: 1fr;
  }

  .recognition-card-wide {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .recognition-card-wide .recognition-symbol {
    margin-bottom: 1rem;
  }

  .innovation-metrics,
  .innovation-module,
  .capability-clusters {
    grid-template-columns: 1fr;
  }

  .innovation-module .innovation-number {
    grid-row: auto;
    min-width: 0;
  }

  .capability-core {
    min-height: auto;
    padding-top: 5.8rem;
  }

  .capability-core h3 {
    max-width: none;
    font-size: clamp(2rem, 10.5vw, 3.05rem);
  }

  .capability-orbit {
    width: clamp(88px, 30vw, 124px);
    opacity: 0.34;
  }

  .capability-python-icon {
    width: 48px;
    height: 48px;
    padding: 0.7rem;
  }

  #scroll-top {
    width: 40px;
    height: 40px;
    right: 1rem;
    bottom: 1rem;
  }
}

@media (max-width: 420px) {
  section {
    padding: 3.75rem 0.85rem;
  }

  .hero-left {
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  .hero-badges {
    gap: 0.38rem;
  }

  .badge,
  .btn-primary,
  .btn-secondary {
    letter-spacing: 0.06em;
  }

  .btn-primary,
  .btn-secondary {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .mobile-nav a {
    font-size: 0.78rem;
    padding: 0.64rem 0.78rem;
    gap: 0.65rem;
  }

  .mobile-nav a .mobile-nav-icon {
    width: 15px;
    height: 15px;
  }

  .hero-tag,
  .section-label,
  .footer-contact-item {
    letter-spacing: 0.06em;
  }

  .exp-tag {
    font-size: 0.54rem;
  }

  .academic-card-media {
    min-height: 190px;
  }

  .academic-card-media .edu-logo {
    width: 112px;
    height: 112px;
  }

  .academic-card-feature .academic-card-media .edu-logo {
    width: 124px;
    height: 124px;
  }

  .edu-media-code,
  .edu-media-detail {
    font-size: 0.52rem;
  }

  .work-node-footer {
    flex-direction: column;
  }

  .link-card {
    width: 100%;
    justify-content: center;
  }

  .social-icons {
    gap: 0.85rem;
  }

  .footer-name {
    font-size: clamp(1.8rem, 12vw, 2.35rem);
  }

  .footer-logo-mark {
    width: 48px;
    height: 48px;
  }

  .footer-contact-item {
    align-items: flex-start;
    overflow-wrap: anywhere;
  }

  .capability-core {
    padding: 5.5rem 1.2rem 1.2rem;
  }

  .capability-core h3 {
    font-size: clamp(1.85rem, 9.8vw, 2.6rem);
    line-height: 1.02;
  }

  .capability-core p {
    font-size: 0.92rem;
    line-height: 1.65;
  }

  .capability-tags span {
    font-size: 0.5rem;
    padding: 0.32rem 0.55rem;
  }

  .capability-orbit {
    right: 0.9rem;
    width: 92px;
  }
}