:root {
  --bg: #071017;
  --bg-soft: rgba(7, 16, 23, 0.58);
  --bg-card: rgba(11, 23, 33, 0.52);
  --line: rgba(178, 235, 242, 0.18);
  --text: #e7efef;
  --muted: #bfd1d5;
  --teal: #6dd9e7;
  --teal-strong: #4ee6ff;
  --navy: #0d1b25;
  --danger: #ff7c8a;
  --success: #6df0c4;
  --shadow: 0 16px 50px rgba(0, 0, 0, 0.38);
  --radius: 24px;
  --radius-sm: 18px;
  --content: min(1180px, calc(100% - 40px));
  --heading: clamp(2.7rem, 5.8vw, 5.15rem);
  --subheading: clamp(1rem, 1.35vw, 1.2rem);
  --anchor-offset: 128px;
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--anchor-offset);
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(63, 132, 153, 0.14), transparent 30%),
    linear-gradient(180deg, #050c12 0%, #071017 38%, #09131a 100%);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.07;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 3px 3px, 3px 3px;
  mix-blend-mode: soft-light;
  z-index: 50;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; cursor: pointer; }
:focus-visible {
  outline: 2px solid var(--teal-strong);
  outline-offset: 3px;
  border-radius: 8px;
}
.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;
}
.skip-link {
  position: absolute; left: 12px; top: -100px; z-index: 999;
  padding: 10px 14px; border-radius: 10px;
  background: #0b1722; color: #fff; border: 1px solid var(--line);
}
.skip-link:focus { top: 12px; }

.site-shell { position: relative; }

/* NAV ===================================================== */
.nav-wrap {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: min(calc(100% - 80px), 1880px);
  z-index: 30;
}

.nav {
  position: relative;
  display: grid;
  grid-template-columns: minmax(420px, 1fr) auto minmax(96px, 1fr);
  align-items: center;
  gap: 28px;
  min-height: 86px;
  padding: 16px 34px;
  border: 1px solid rgba(130, 214, 232, 0.28);
  background: linear-gradient(180deg, rgba(168, 227, 236, 0.16), rgba(20, 38, 52, 0.12));
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  border-radius: 22px;
  box-shadow: 0 8px 30px rgba(2, 8, 13, 0.28), inset 0 0 0 1px rgba(255,255,255,0.05);
  transition: transform 300ms ease, background 300ms ease, border-color 300ms ease, box-shadow 300ms ease;
  overflow: hidden;
}

.nav::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(99, 228, 255, 0.12);
  box-shadow: 0 0 26px rgba(77, 227, 255, 0.10), inset 0 0 26px rgba(77, 227, 255, 0.04);
  pointer-events: none;
}

.nav.scrolled {
  transform: translateY(2px);
  background: linear-gradient(180deg, rgba(130, 201, 217, 0.18), rgba(9, 19, 27, 0.32));
  border-color: rgba(119, 223, 244, 0.34);
  box-shadow: 0 12px 34px rgba(0,0,0,0.36), 0 0 20px rgba(78, 230, 255, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  min-width: 0;
  padding-left: 2px;
}

.brand-text {
  line-height: 1;
  min-width: 0;
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
}

.brand-name { font-size: 1.55rem; letter-spacing: 0.03em; font-weight: 700; white-space: nowrap; }

.brand-tag {
  margin-top: 0;
  color: rgba(243, 249, 249, 0.86);
  font-size: 0.92rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-links,
.nav-icons {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links {
  justify-self: center;
  gap: 22px;
  white-space: nowrap;
}

.nav-icons {
  justify-self: end;
  gap: 18px;
}

.nav-links a,
.nav-icons a,
.mobile-toggle {
  position: relative;
  padding: 10px 10px;
  border-radius: 14px;
  color: rgba(238, 246, 247, 0.92);
  transition: background 220ms ease, color 220ms ease, transform 220ms ease;
  background: transparent;
  border: 0;
}

.nav-links a { font-size: clamp(0.96rem, 0.82vw, 1.08rem); }

.nav-links a:hover,
.nav-icons a:hover,
.mobile-toggle:hover {
  background: rgba(126, 213, 232, 0.12);
  color: #fff;
  transform: translateY(-1px);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 12px; right: 12px; bottom: 6px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal-strong), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 240ms ease;
}

.nav-links a:hover::after,
.nav-links a.active::after,
.nav-links a:focus-visible::after { transform: scaleX(1); }
.nav-links a.active { color: #fff; }

.mobile-toggle { display: none; }
.mobile-toggle .icon-close { display: none; }
.mobile-toggle[aria-expanded="true"] .icon-burger { display: none; }
.mobile-toggle[aria-expanded="true"] .icon-close { display: block; }

/* HERO ==================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: clip;
  isolation: isolate;
}

.hero-media,
.hero-media::before,
.hero-media::after,
.hero-overlay,
.hero-glow,
.hero-waves {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url('images/shark-01.jpg');
  background-size: cover;
  background-position: center center;
  transform: translateY(0);
  transition: transform 160ms linear;
  filter: saturate(0.92) contrast(1.02) brightness(0.82);
  will-change: transform;
}

.hero-media::before {
  content: "";
  background:
    radial-gradient(circle at 58% 30%, rgba(145, 244, 255, 0.14), transparent 22%),
    radial-gradient(circle at 40% 22%, rgba(255, 255, 255, 0.12), transparent 24%),
    linear-gradient(180deg, rgba(3, 10, 15, 0.56), rgba(5, 12, 18, 0.25) 28%, rgba(5, 11, 17, 0.48) 75%, rgba(7, 15, 21, 0.92));
  mix-blend-mode: screen;
}

.hero-media::after {
  content: "";
  background:
    radial-gradient(circle at 50% 55%, transparent 36%, rgba(0,0,0,0.30) 85%),
    linear-gradient(180deg, rgba(0,0,0,0.08), rgba(0,0,0,0.24));
}

.hero-waves {
  background:
    radial-gradient(ellipse at 20% 8%, rgba(255,255,255,0.08), transparent 26%),
    radial-gradient(ellipse at 76% 14%, rgba(255,255,255,0.06), transparent 24%),
    repeating-linear-gradient(100deg, rgba(255,255,255,0.02) 0 18px, transparent 18px 34px);
  mix-blend-mode: soft-light;
  opacity: 0.35;
  animation: drift 18s linear infinite;
  pointer-events: none;
}

.hero-glow {
  background:
    radial-gradient(circle at 50% 18%, rgba(118, 245, 255, 0.18), transparent 30%),
    radial-gradient(circle at 50% 46%, rgba(109, 217, 231, 0.08), transparent 38%);
  pointer-events: none;
}

.hero-overlay {
  background: linear-gradient(180deg, rgba(3,8,12,0.34) 0, rgba(3,9,13,0.18) 14%, rgba(5,12,16,0.08) 40%, rgba(6,13,18,0.28) 64%, rgba(6,14,19,0.84) 100%);
  z-index: 0;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 3;
  width: var(--content);
  padding-top: 98px;
  padding-bottom: 42px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(121, 230, 247, 0.22);
  background: rgba(10, 22, 31, 0.26);
  color: rgba(233, 243, 244, 0.86);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: inset 0 0 20px rgba(83, 225, 249, 0.05);
}

.hero h1 {
  font-family: "Arial Narrow", "Roboto Condensed", Inter, sans-serif;
  font-size: var(--heading);
  line-height: 0.92;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 14px auto 12px;
  max-width: 11ch;
  text-wrap: balance;
  text-shadow: 0 8px 28px rgba(0,0,0,0.42);
}

.hero h1 span {
  color: #f5fbfb;
  text-shadow: 0 0 18px rgba(96, 233, 255, 0.18), 0 8px 28px rgba(0,0,0,0.42);
}

.hero p {
  max-width: 760px;
  margin: 0 auto;
  font-size: var(--subheading);
  line-height: 1.55;
  color: rgba(235, 242, 243, 0.86);
  text-shadow: 0 4px 16px rgba(0,0,0,0.35);
}

.hero-ctas {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.button,
.button-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  padding: 14px 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 0;
  cursor: pointer;
  transition: transform 220ms ease, box-shadow 220ms ease, background 220ms ease, border-color 220ms ease, opacity 220ms ease;
  text-decoration: none;
}

.button {
  color: #031117;
  background: linear-gradient(180deg, #96f4ff, #63ddeb);
  box-shadow: 0 10px 22px rgba(96, 228, 248, 0.18);
}

.button:hover, .button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(96, 228, 248, 0.26);
}
.button:active { transform: translateY(0); }
.button[disabled] { opacity: 0.7; cursor: progress; transform: none; }

.button-ghost {
  border: 1px solid rgba(136, 228, 244, 0.24);
  background: rgba(11, 22, 31, 0.28);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: #eef6f7;
}

.button-ghost:hover, .button-ghost:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(136, 228, 244, 0.44);
  background: rgba(17, 31, 42, 0.42);
}

.icon-grid {
  margin: 26px auto 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 22px;
  max-width: 820px;
}

.icon-card {
  position: relative;
  min-height: 142px;
  border-radius: 28px;
  border: 1px solid rgba(136, 228, 244, 0.20);
  background: linear-gradient(180deg, rgba(152, 236, 246, 0.11), rgba(5, 14, 20, 0.34));
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  box-shadow: 0 16px 36px rgba(0,0,0,0.24), inset 0 0 30px rgba(91, 233, 255, 0.04);
  display: grid;
  place-items: center;
  padding: 14px;
  text-align: center;
  overflow: hidden;
  transition: transform 280ms ease, border-color 280ms ease, box-shadow 280ms ease, background 280ms ease;
  isolation: isolate;
}

.icon-card::before {
  content: "";
  position: absolute;
  inset: auto 20px 14px 20px;
  height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(95, 239, 255, 0.26), transparent 68%);
  filter: blur(10px);
  opacity: 0.56;
  z-index: -1;
  transition: opacity 280ms ease;
}

.icon-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 50% 50%, rgba(101, 235, 255, 0.16), transparent 46%);
  opacity: 0;
  transform: scale(0.7);
  transition: opacity 260ms ease, transform 300ms ease;
  pointer-events: none;
}

.icon-card:hover, .icon-card:focus-visible {
  transform: translateY(-6px) scale(1.02);
  border-color: rgba(116, 240, 255, 0.40);
  box-shadow: 0 18px 44px rgba(0,0,0,0.36), 0 0 24px rgba(91, 233, 255, 0.10), inset 0 0 34px rgba(91, 233, 255, 0.06);
  background: linear-gradient(180deg, rgba(146, 241, 253, 0.16), rgba(6, 15, 22, 0.44));
}

.icon-card:hover::after,
.icon-card:focus-visible::after { opacity: 1; transform: scale(1); }
.icon-card:hover::before { opacity: 0.82; }

.icon-shell {
  width: 64px; height: 64px;
  display: grid; place-items: center;
  border-radius: 50%;
  margin: 0 auto 10px;
  border: 1px solid rgba(121, 230, 247, 0.22);
  background: radial-gradient(circle at 35% 30%, rgba(180, 247, 255, 0.16), rgba(7, 18, 26, 0.30));
  box-shadow: inset 0 0 18px rgba(115, 235, 255, 0.08), 0 0 18px rgba(95, 239, 255, 0.12);
  animation: breathe 4.6s ease-in-out infinite;
}

.icon-card:nth-child(2) .icon-shell { animation-delay: .35s; }
.icon-card:nth-child(3) .icon-shell { animation-delay: .7s; }
.icon-card:nth-child(4) .icon-shell { animation-delay: 1s; }

.icon-shell svg {
  width: 32px; height: 32px;
  stroke: #ddf9fd;
  stroke-width: 1.75;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-card h3 {
  margin: 0;
  font-size: 1.02rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.icon-card p {
  margin: 7px 0 0;
  font-size: 0.84rem;
  line-height: 1.35;
  color: rgba(226, 236, 238, 0.82);
}

/* SECTIONS ================================================ */
.section {
  position: relative;
  z-index: 2;
  padding: 88px 0;
  scroll-margin-top: var(--anchor-offset);
}

#top,
#minimal-impact-checklist,
#shark-behaviour {
  scroll-margin-top: var(--anchor-offset);
}

.container { width: var(--content); margin: 0 auto; }

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-family: "Arial Narrow", "Roboto Condensed", Inter, sans-serif;
}

.section-head p {
  max-width: 650px;
  margin: 0;
  color: rgba(225, 235, 237, 0.76);
  line-height: 1.7;
}

.feature-grid,
.learn-grid,
.story-grid,
.project-grid,
.watchlist-grid,
.creator-grid {
  display: grid;
  gap: 20px;
}

.feature-grid { grid-template-columns: 1.2fr 1fr 1fr; }
.learn-grid { grid-template-columns: repeat(5, 1fr); }
.story-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.project-grid { grid-template-columns: repeat(4, 1fr); margin-top: 18px; }
.watchlist-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.creator-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }

.card {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 29, 40, 0.7), rgba(10, 19, 27, 0.8));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-glass {
  background: linear-gradient(180deg, rgba(130, 212, 228, 0.08), rgba(11, 21, 30, 0.72));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.feature-main {
  min-height: 420px;
  display: flex;
  align-items: end;
  background:
    linear-gradient(180deg, rgba(4,8,12,0.08), rgba(3,9,13,0.76)),
    url('images/shark-01.jpg') center/cover no-repeat;
}

.feature-main .copy,
.mini-card .copy,
.story-card .copy {
  padding: 24px;
  position: relative;
  z-index: 2;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(108, 220, 236, 0.11);
  border: 1px solid rgba(125, 226, 242, 0.16);
  color: rgba(236, 248, 249, 0.86);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-bottom: 14px;
}

.feature-main h3,
.mini-card h3,
.story-card h3,
.learn-card h3 {
  margin: 0 0 10px;
  font-size: 1.52rem;
  line-height: 1.15;
}

.feature-main p,
.mini-card p,
.story-card p,
.learn-card p {
  margin: 0;
  color: rgba(224, 235, 237, 0.78);
  line-height: 1.65;
}

.card-actions { margin-top: 16px; }

.story-link-card {
  display: block;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

.story-link-card .link-action {
  pointer-events: none;
}

.story-link-card:focus-visible {
  outline: 3px solid rgba(102, 232, 255, 0.62);
  outline-offset: 4px;
}

.link-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  color: var(--teal-strong);
  font-weight: 600;
  letter-spacing: 0.02em;
  background: transparent;
  border: 0;
  border-bottom: 1px solid transparent;
  transition: border-color 220ms ease, transform 220ms ease, color 220ms ease;
}
.link-action:hover, .link-action:focus-visible {
  border-color: rgba(96, 232, 255, 0.5);
  transform: translateX(2px);
}

.mini-card {
  min-height: 420px;
  display: flex;
  align-items: end;
}

.mini-card:nth-child(2) {
  background:
    linear-gradient(180deg, rgba(6,10,14,0.26), rgba(7,15,20,0.84)),
    radial-gradient(circle at top, rgba(112,229,243,0.18), transparent 46%);
}

.mini-card:nth-child(3) {
  background:
    linear-gradient(180deg, rgba(6,10,14,0.26), rgba(7,15,20,0.84)),
    radial-gradient(circle at 80% 10%, rgba(112,229,243,0.18), transparent 40%);
}

.learn-card,
.story-card,
.project-card,
.watch-card,
.creator-card {
  padding: 22px;
  transition: transform 260ms ease, border-color 260ms ease, box-shadow 260ms ease;
}

.learn-card:hover,
.story-card:hover,
.project-card:hover,
.watch-card:hover,
.creator-card:hover {
  transform: translateY(-4px);
  border-color: rgba(118, 237, 255, 0.34);
  box-shadow: 0 18px 40px rgba(0,0,0,0.34), 0 0 22px rgba(95, 239, 255, 0.08);
}

.project-card[hidden] { display: none; }
.project-card h3,
.watch-card h3,
.creator-card h3 {
  margin: 0 0 10px;
  font-size: 1.22rem;
  line-height: 1.2;
}
.project-card p,
.watch-card p,
.creator-card p,
.ambassador-card p,
.checklist-card p,
.licensing-note p {
  margin: 0;
  color: rgba(224, 235, 237, 0.78);
  line-height: 1.65;
}
.project-card ul,
.ambassador-principles ul,
.impact-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 10px;
}
.project-card li,
.ambassador-principles li,
.impact-list li {
  color: rgba(224, 235, 237, 0.78);
  line-height: 1.55;
  padding-left: 20px;
  position: relative;
}
.project-card li::before,
.ambassador-principles li::before,
.impact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal-strong);
  box-shadow: 0 0 14px rgba(78, 230, 255, 0.32);
}
.project-card strong,
.ambassador-principles strong { color: rgba(245,251,251,0.94); }

.apex-education {
  margin-top: 24px;
  padding: 30px;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 28px;
  overflow: hidden;
  background:
    radial-gradient(circle at 10% 15%, rgba(96, 232, 255, 0.15), transparent 30%),
    linear-gradient(135deg, rgba(15, 39, 51, 0.74), rgba(6, 14, 22, 0.72));
}

.apex-copy h3 {
  margin: 8px 0 14px;
  font-size: clamp(1.7rem, 3vw, 2.65rem);
  line-height: 1.05;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-family: "Arial Narrow", "Roboto Condensed", Inter, sans-serif;
}

.apex-copy p {
  margin: 0 0 18px;
  color: rgba(224, 235, 237, 0.78);
  line-height: 1.7;
}

.behaviour-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.behaviour-grid article {
  min-height: 230px;
  border: 1px solid rgba(136, 228, 244, 0.16);
  border-radius: var(--radius-sm);
  padding: 18px;
  background: rgba(6, 15, 22, 0.42);
  transition: transform 240ms ease, border-color 240ms ease;
}

.behaviour-grid article:hover {
  transform: translateY(-3px);
  border-color: rgba(118, 237, 255, 0.34);
}

.behaviour-grid span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: #031117;
  font-weight: 900;
  background: linear-gradient(180deg, #96f4ff, #63ddeb);
}

.behaviour-grid h4 {
  margin: 0 0 10px;
  font-size: 1.08rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.behaviour-grid p {
  margin: 0;
  color: rgba(224, 235, 237, 0.74);
  line-height: 1.55;
  font-size: 0.95rem;
}

/* FILTERS ================================================== */
.portfolio-filter {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 26px 0 4px;
}
.filter-chip {
  border: 1px solid rgba(136, 228, 244, 0.20);
  background: rgba(10, 22, 31, 0.38);
  color: rgba(238, 246, 247, 0.84);
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease, color 220ms ease;
}
.filter-chip:hover,
.filter-chip:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(96, 232, 255, 0.48);
  color: #fff;
}
.filter-chip.active {
  color: #031117;
  background: linear-gradient(180deg, #96f4ff, #63ddeb);
  border-color: rgba(150, 244, 255, 0.72);
}

.learn-card .tiny-icon {
  width: 52px; height: 52px;
  border-radius: 16px;
  display: grid; place-items: center;
  margin-bottom: 16px;
  background: radial-gradient(circle at 30% 30%, rgba(167, 244, 255, 0.22), rgba(7, 18, 26, 0.22));
  border: 1px solid rgba(136, 228, 244, 0.18);
  color: var(--teal-strong);
  font-size: 1.4rem;
}

/* PLAY BUTTON OVERLAY ===================================== */
.feature-main { position: relative; }
.play-trigger {
  position: absolute;
  inset: 0 0 auto 0;
  height: 65%;
  background: transparent;
  border: 0;
  cursor: pointer;
  z-index: 3;
  display: grid;
  place-items: center;
  padding: 0;
}
.play-trigger::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 38%, rgba(0,0,0,0) 28%, rgba(0,0,0,0.25) 80%);
  opacity: 0;
  transition: opacity 240ms ease;
}
.play-trigger:hover::before, .play-trigger:focus-visible::before { opacity: 1; }

.play-glyph {
  position: relative;
  z-index: 1;
  width: 86px; height: 86px;
  border-radius: 50%;
  display: grid; place-items: center;
  color: #031117;
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(150,244,255,0.88));
  box-shadow: 0 14px 36px rgba(0,0,0,0.5), 0 0 0 6px rgba(255,255,255,0.06), inset 0 0 18px rgba(255,255,255,0.4);
  transition: transform 260ms ease, box-shadow 260ms ease;
}
.play-trigger:hover .play-glyph,
.play-trigger:focus-visible .play-glyph {
  transform: scale(1.06);
  box-shadow: 0 18px 48px rgba(0,0,0,0.6), 0 0 0 8px rgba(96,232,255,0.18);
}
.play-glyph svg { margin-left: 4px; }

/* GALLERY ================================================= */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: auto;
  grid-auto-flow: row;
  gap: 18px;
}

.gallery-item {
  position: relative;
  align-self: start;
  overflow: hidden;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 12%, rgba(96,232,255,0.10), transparent 42%),
    #07121a;
  cursor: zoom-in;
  padding: 10px;
  width: 100%;
  height: auto;
  transition: transform 280ms ease, border-color 280ms ease, box-shadow 280ms ease;
}
.gallery-item img {
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: contain;
  display: block;
  border-radius: calc(var(--radius-sm) - 8px);
  transition: transform 600ms ease, filter 400ms ease;
  filter: saturate(0.95) brightness(0.92);
}
.gallery-item:hover {
  transform: translateY(-3px);
  border-color: rgba(118, 237, 255, 0.4);
  box-shadow: 0 18px 38px rgba(0,0,0,0.36), 0 0 22px rgba(95, 239, 255, 0.08);
}
.gallery-item:hover img { transform: scale(1.015); filter: saturate(1.05) brightness(1); }
.gallery-item .gal-cap {
  position: absolute;
  left: 12px; right: 12px; bottom: 10px;
  padding: 6px 10px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(238,246,247,0.92);
  background: linear-gradient(180deg, rgba(8,18,26,0), rgba(4,10,15,0.72));
  border-radius: 10px;
  text-align: left;
  pointer-events: none;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 240ms ease, transform 240ms ease;
}
.gallery-item:hover .gal-cap,
.gallery-item:focus-visible .gal-cap { opacity: 1; transform: translateY(0); }

/* Full-image gallery spans. Images are contained, never cropped. */
.gallery-item.size-lg   { grid-column: span 6; }
.gallery-item.size-md   { grid-column: span 6; }
.gallery-item.size-sm   { grid-column: span 6; }
.gallery-item.size-xs   { grid-column: span 4; }
.gallery-item.size-tall {
  grid-column: span 6;
  justify-self: center;
  width: fit-content;
  max-width: 100%;
}
.gallery-item.size-tall img {
  width: auto;
  max-width: 100%;
  max-height: 560px;
}
.gallery-item.size-tall .gal-cap {
  left: 10px;
  right: 10px;
}

.empty-state {
  grid-column: 1 / -1;
  margin: 0;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: rgba(225, 235, 237, 0.78);
  background: rgba(10, 22, 31, 0.48);
}

.licensing-note {
  margin-top: 18px;
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 1.3fr auto;
  align-items: center;
  gap: 18px;
}
.licensing-note h3 {
  margin: 0;
  font-size: 1.2rem;
}

@media (max-width: 900px) {
  .gallery-grid { grid-template-columns: repeat(6, 1fr); grid-auto-rows: auto; }
  .gallery-item.size-lg,
  .gallery-item.size-md,
  .gallery-item.size-sm,
  .gallery-item.size-xs,
  .gallery-item.size-tall { grid-column: span 6; }
}

/* FAQ ===================================================== */
.faq {
  margin-top: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(16, 29, 40, 0.6), rgba(10, 19, 27, 0.75));
  padding: 28px;
}
.faq-title {
  margin: 0 0 16px;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.faq-list { list-style: none; padding: 0; margin: 0; }
.faq-item + .faq-item { border-top: 1px solid var(--line); }

.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 4px;
  text-align: left;
  font-size: 1.02rem;
  font-weight: 600;
  background: transparent;
  border: 0;
  color: var(--text);
}
.faq-q:hover { color: #fff; }
.faq-chev {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--teal-strong);
  font-size: 1.1rem; line-height: 1;
  transition: transform 240ms ease, background 240ms ease, border-color 240ms ease;
}
.faq-q[aria-expanded="true"] .faq-chev {
  transform: rotate(45deg);
  background: rgba(96, 232, 255, 0.14);
  border-color: rgba(96, 232, 255, 0.5);
}

.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 320ms ease;
}
.faq-a > p {
  overflow: hidden;
  margin: 0;
  padding: 0 4px;
  color: rgba(225,235,237,0.78);
  line-height: 1.7;
}
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-item.open .faq-a > p { padding: 0 4px 18px; }

/* CONSERVATION / WATCHLIST / AMBASSADOR =================== */
.checklist-card {
  margin-top: 22px;
  padding: 28px;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 28px;
}
.checklist-card h3,
.ambassador-card h2 {
  margin: 6px 0 12px;
  font-size: clamp(1.8rem, 3.4vw, 2.8rem);
  line-height: 1.05;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-family: "Arial Narrow", "Roboto Condensed", Inter, sans-serif;
}
.impact-list { margin: 0; }

.watch-card {
  min-height: 360px;
  display: flex;
  flex-direction: column;
}

.watch-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.watch-rank {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #031117;
  font-weight: 900;
  letter-spacing: 0.04em;
  background: linear-gradient(180deg, #96f4ff, #63ddeb);
  box-shadow: 0 0 24px rgba(96, 232, 255, 0.18);
  flex: 0 0 auto;
}

.content-warning {
  display: block;
  margin-top: auto;
  padding-top: 16px;
  color: var(--teal-strong);
  font-size: 0.88rem;
  line-height: 1.45;
}

.watch-link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: 14px;
  color: rgba(248, 253, 253, 0.95);
  text-decoration: none;
  font-weight: 800;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  border-bottom: 1px solid rgba(96, 232, 255, 0.42);
  padding-bottom: 3px;
  transition: color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.watch-link:hover,
.watch-link:focus-visible {
  color: var(--teal-strong);
  border-color: var(--teal-strong);
  transform: translateX(3px);
}

.creator-card {
  min-height: 286px;
  display: flex;
  flex-direction: column;
  padding: 20px;
  background:
    radial-gradient(circle at top left, rgba(102, 232, 255, 0.1), transparent 42%),
    linear-gradient(180deg, rgba(15, 31, 43, 0.78), rgba(8, 17, 25, 0.82));
}

.creator-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.creator-rank {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #031117;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  background: linear-gradient(180deg, #96f4ff, #63ddeb);
  box-shadow: 0 0 20px rgba(96, 232, 255, 0.16);
  flex: 0 0 auto;
}

.creator-card .pill {
  margin-bottom: 0;
  padding: 7px 10px;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
}

.creator-card h3 {
  font-size: 1.14rem;
}

.creator-card p {
  font-size: 0.94rem;
}

.creator-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 18px;
}

.creator-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 8px 11px;
  border-radius: 999px;
  border: 1px solid rgba(107, 224, 240, 0.28);
  color: rgba(246, 252, 252, 0.94);
  background: rgba(107, 224, 240, 0.08);
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.creator-links a:hover,
.creator-links a:focus-visible {
  color: #06131a;
  background: var(--teal-strong);
  border-color: var(--teal-strong);
  transform: translateY(-1px);
}

.ambassador-card {
  padding: 36px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 34px;
  align-items: stretch;
  background:
    linear-gradient(135deg, rgba(96, 232, 255, 0.14), rgba(6, 14, 21, 0.78)),
    radial-gradient(circle at 16% 20%, rgba(150,244,255,0.20), transparent 28%);
}
.ambassador-copy,
.ambassador-principles {
  position: relative;
  z-index: 2;
}
.ambassador-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 22px;
}
.ambassador-principles {
  border: 1px solid rgba(136, 228, 244, 0.16);
  border-radius: var(--radius-sm);
  background: rgba(6, 15, 22, 0.42);
  padding: 24px;
}
.ambassador-principles h3 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* CONTACT ================================================= */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 32px;
  padding: 36px;
}
.contact-left h2 {
  margin: 6px 0 12px;
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  line-height: 1.05;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-family: "Arial Narrow", "Roboto Condensed", Inter, sans-serif;
}
.contact-left p {
  color: rgba(225, 235, 237, 0.78);
  line-height: 1.7;
  margin: 0 0 20px;
}
.contact-meta {
  list-style: none;
  padding: 0; margin: 0;
  display: grid; gap: 10px;
  color: rgba(225, 235, 237, 0.82);
  font-size: 0.96rem;
}
.contact-meta li { display: flex; align-items: center; gap: 10px; }
.contact-meta span { color: var(--teal-strong); }

.contact-form { display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
.field label {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(225, 235, 237, 0.74);
}
.field input,
.field select,
.field textarea {
  font: inherit;
  color: var(--text);
  background: rgba(7, 17, 24, 0.6);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  width: 100%;
  transition: border-color 200ms ease, box-shadow 200ms ease, background 200ms ease;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input::placeholder,
.field textarea::placeholder { color: rgba(225, 235, 237, 0.4); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 0;
  border-color: rgba(96, 232, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(96, 232, 255, 0.12);
  background: rgba(8, 20, 28, 0.85);
}
.field.invalid input,
.field.invalid select,
.field.invalid textarea {
  border-color: rgba(255, 124, 138, 0.7);
  box-shadow: 0 0 0 4px rgba(255, 124, 138, 0.08);
}
.field-error {
  min-height: 1em;
  font-size: 0.82rem;
  color: var(--danger);
}
.field-check .check {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 0.92rem;
  color: rgba(225, 235, 237, 0.82);
  text-transform: none; letter-spacing: 0;
}
.check input {
  width: 18px; height: 18px;
  accent-color: var(--teal-strong);
  margin-top: 2px;
  flex: 0 0 auto;
}
.field-check { gap: 4px; }

.submit-btn { justify-self: start; position: relative; }
.submit-spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(3, 17, 23, 0.3);
  border-top-color: #031117;
  animation: spin 0.8s linear infinite;
  display: none;
}
.submit-btn.loading .submit-spinner { display: inline-block; }
.submit-btn.loading .submit-label { opacity: 0.65; }

.contact-status {
  margin: 6px 0 0;
  font-size: 0.92rem;
  color: rgba(225, 235, 237, 0.86);
  min-height: 1.4em;
}
.contact-status.success { color: var(--success); }
.contact-status.error { color: var(--danger); }

/* NEWSLETTER ============================================== */
.newsletter {
  margin-top: 24px;
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 24px;
  align-items: center;
}
.newsletter h3 {
  margin: 6px 0 6px;
  font-size: 1.4rem;
  letter-spacing: 0.04em;
}
.newsletter p { margin: 0; color: rgba(225, 235, 237, 0.78); line-height: 1.6; }

.newsletter-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.newsletter-form input {
  flex: 1 1 220px;
  min-width: 220px;
  font: inherit;
  color: var(--text);
  background: rgba(7, 17, 24, 0.6);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 12px 18px;
  transition: border-color 200ms ease, box-shadow 200ms ease;
}
.newsletter-form input:focus {
  outline: 0;
  border-color: rgba(96, 232, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(96, 232, 255, 0.12);
}
.newsletter-status {
  flex-basis: 100%;
  margin: 4px 0 0;
  font-size: 0.9rem;
  min-height: 1.2em;
  color: rgba(225, 235, 237, 0.78);
}
.newsletter-status.success { color: var(--success); }
.newsletter-status.error { color: var(--danger); }

/* FOOTER ================================================== */
.footer {
  padding: 28px 0 48px;
  color: rgba(211, 225, 228, 0.70);
  position: relative;
  z-index: 2;
}

.footer-bar {
  width: var(--content);
  margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-links { display: flex; gap: 18px; }
.footer-links a { transition: color 220ms ease; }
.footer-links a:hover { color: var(--teal-strong); }

/* RIPPLE ================================================== */
.ripple {
  position: absolute;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(141, 245, 255, 0.46), rgba(141, 245, 255, 0) 70%);
  transform: translate(-50%, -50%) scale(0);
  animation: ripple 640ms ease-out forwards;
  pointer-events: none;
  mix-blend-mode: screen;
}

/* SCROLL REVEAL =========================================== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* LIGHTBOX ================================================ */
.lightbox {
  position: fixed; inset: 0;
  z-index: 80;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 24px;
  background: rgba(3, 10, 15, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: fadeIn 220ms ease;
}
.lightbox[hidden] { display: none; }
.lightbox-figure {
  margin: 0;
  display: grid;
  place-items: center;
  gap: 12px;
  max-height: calc(100vh - 60px);
}
.lightbox-figure img {
  max-width: 100%;
  max-height: calc(100vh - 120px);
  border-radius: 14px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
  object-fit: contain;
  background: #050b10;
}
.lightbox-figure figcaption {
  color: rgba(238, 246, 247, 0.86);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  text-align: center;
}
.lightbox-close,
.lightbox-nav {
  position: relative;
  width: 48px; height: 48px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(11, 22, 31, 0.6);
  border: 1px solid rgba(136, 228, 244, 0.24);
  color: #eef6f7;
  transition: background 220ms ease, border-color 220ms ease, transform 220ms ease;
}
.lightbox-close { position: absolute; top: 16px; right: 16px; }
.lightbox-close:hover,
.lightbox-nav:hover {
  background: rgba(17, 31, 42, 0.78);
  border-color: rgba(136, 228, 244, 0.5);
  transform: translateY(-1px);
}

/* VIDEO MODAL ============================================= */
.video-modal {
  position: fixed; inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(3, 10, 15, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: fadeIn 220ms ease;
}
.video-modal[hidden] { display: none; }
.video-modal-card {
  width: min(1040px, 100%);
  background: linear-gradient(180deg, rgba(16, 29, 40, 0.94), rgba(7, 17, 24, 0.96));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.video-modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}
.video-modal-head h3 {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.video-modal-close {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(11, 22, 31, 0.6);
  border: 1px solid rgba(136, 228, 244, 0.24);
  color: #eef6f7;
  transition: background 220ms ease, border-color 220ms ease;
}
.video-modal-close:hover { background: rgba(17, 31, 42, 0.8); border-color: rgba(136, 228, 244, 0.5); }
.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #02080d;
}
.video-frame iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
}

/* TOAST =================================================== */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 30px);
  background: rgba(7, 17, 24, 0.92);
  color: #eef6f7;
  border: 1px solid rgba(136, 228, 244, 0.34);
  border-radius: 14px;
  padding: 12px 18px;
  z-index: 100;
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
  font-size: 0.95rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms ease, transform 240ms ease;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.success { border-color: rgba(109, 240, 196, 0.5); }
.toast.error { border-color: rgba(255, 124, 138, 0.5); }

/* ANIMATIONS ============================================== */
@keyframes ripple { to { transform: translate(-50%, -50%) scale(13); opacity: 0; } }
@keyframes breathe {
  0%, 100% { transform: scale(1); box-shadow: inset 0 0 18px rgba(115, 235, 255, 0.08), 0 0 18px rgba(95, 239, 255, 0.10); }
  50% { transform: scale(1.04); box-shadow: inset 0 0 18px rgba(115, 235, 255, 0.12), 0 0 28px rgba(95, 239, 255, 0.18); }
}
@keyframes drift {
  from { transform: translateX(0) translateY(0); }
  50% { transform: translateX(-1.2%) translateY(1%); }
  to { transform: translateX(0) translateY(0); }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* RESPONSIVE ============================================== */
@media (max-width: 1500px) {
  .nav {
    grid-template-columns: minmax(220px, 1fr) auto minmax(96px, 1fr);
    gap: 18px;
    padding-inline: 30px;
  }
  .brand-tag { display: none; }
  .brand-name { font-size: 1.34rem; }
  .nav-links { gap: 12px; }
  .nav-links a { font-size: 0.96rem; padding-inline: 7px; }
}

@media (max-width: 1220px) {
  .nav-wrap { width: min(calc(100% - 40px), 1180px); }
  .nav {
    grid-template-columns: minmax(190px, 1fr) auto minmax(84px, 1fr);
    gap: 18px;
    padding-inline: 24px;
  }
  .brand-tag { display: none; }
  .brand-name { font-size: 1.32rem; }
  .nav-links { gap: 5px; }
  .nav-links a { font-size: 0.88rem; padding-inline: 6px; }
}

@media (max-width: 1080px) {
  :root { --anchor-offset: 112px; }
  .icon-grid { grid-template-columns: repeat(2, minmax(180px, 1fr)); }
  .feature-grid { grid-template-columns: 1fr; }
  .mini-card, .feature-main { min-height: 280px; }
  .learn-grid { grid-template-columns: repeat(2, 1fr); }
  .story-grid { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .watchlist-grid { grid-template-columns: repeat(2, 1fr); }
  .creator-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .apex-education { grid-template-columns: 1fr; }
  .checklist-card, .ambassador-card, .licensing-note { grid-template-columns: 1fr; }
  .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    min-height: 78px;
    overflow: visible;
  }
  .nav::after { overflow: hidden; }
  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    width: min(260px, calc(100vw - 48px));
    padding: 12px;
    border-radius: 18px;
    border: 1px solid rgba(130, 214, 232, 0.28);
    background: linear-gradient(180deg, rgba(15, 28, 38, 0.98), rgba(5, 12, 18, 0.99));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 18px 40px rgba(2, 8, 13, 0.55);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-self: auto;
    z-index: 31;
    gap: 6px;
  }
  .nav-links a {
    width: 100%;
    padding: 11px 14px;
    border-radius: 12px;
    text-align: center;
  }
  .nav-links.open { display: flex; }
  .brand {
    order: 1;
    min-height: 44px;
  }
  .mobile-toggle {
    order: 2;
    display: inline-grid;
    place-items: center;
    align-self: center;
    width: 44px;
    height: 44px;
    padding: 0;
    margin-left: auto;
    line-height: 0;
  }
  .nav-icons {
    order: 3;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 0;
  }
  .nav-icons a {
    width: 44px;
    height: 44px;
    padding: 0;
    display: grid;
    place-items: center;
    line-height: 0;
  }
  .nav-icons svg,
  .mobile-toggle svg {
    display: block;
  }
  .contact-wrap { grid-template-columns: 1fr; padding: 28px; }
  .newsletter { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  :root {
    --content: min(100% - 24px, 1180px);
    --anchor-offset: 96px;
  }
  .nav-wrap { top: 12px; }
  .nav {
    min-height: 72px;
    padding: 10px 12px;
    gap: 4px;
    justify-content: space-between;
  }
  .brand {
    position: static;
    transform: none;
    min-height: 44px;
  }
  .brand-name {
    font-size: 1.06rem;
    letter-spacing: 0.028em;
    white-space: nowrap;
  }
  .brand-tag { display: none; }
  .nav-icons {
    gap: 4px;
    margin-left: 0;
  }
  .nav-icons a {
    width: 42px;
    height: 44px;
    padding: 0;
    display: grid;
    place-items: center;
  }
  .mobile-toggle {
    width: 42px;
    height: 44px;
    padding: 0;
    display: inline-grid;
    place-items: center;
    border-radius: 16px;
  }
  .hero { min-height: 100svh; }
  .hero-media {
    background-image: url('images/shark-01.jpg');
    background-size: 110% auto;
    background-position: center 132px;
    background-repeat: no-repeat;
    background-color: #02080d;
  }
  .hero-media::before {
    mix-blend-mode: normal;
    background:
      linear-gradient(180deg,
        #02080d 0%,
        rgba(2, 8, 13, 0.86) 10%,
        rgba(2, 8, 13, 0.20) 20%,
        rgba(2, 8, 13, 0.00) 30%,
        rgba(2, 8, 13, 0.00) 46%,
        rgba(2, 8, 13, 0.18) 51%,
        rgba(2, 8, 13, 0.62) 60%,
        rgba(2, 8, 13, 0.94) 72%,
        #02080d 100%);
  }
  .hero-media::after {
    background:
      radial-gradient(ellipse at 50% 38%, rgba(91, 203, 220, 0.10), rgba(91, 203, 220, 0.00) 44%),
      radial-gradient(ellipse at 50% 50%, rgba(1, 7, 11, 0.00) 42%, rgba(1, 7, 11, 0.28) 74%, rgba(1, 7, 11, 0.48) 100%);
  }
  .hero-inner { padding-top: 130px; padding-bottom: 48px; }
  .hero .reveal {
    opacity: 1;
    transform: none;
  }
  .hero h1 { max-width: 8ch; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .button, .button-ghost { width: min(320px, 100%); justify-content: center; }
  .icon-grid { grid-template-columns: 1fr; }
  .learn-grid { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .watchlist-grid { grid-template-columns: 1fr; }
  .creator-grid { grid-template-columns: 1fr; }
  .behaviour-grid { grid-template-columns: 1fr; }
  .apex-education { padding: 24px; }
  .section { padding: 72px 0; }
  .play-glyph { width: 68px; height: 68px; }
  .lightbox-close { top: 10px; right: 10px; }
  .footer-bar { flex-direction: column; }
  .portfolio-filter { gap: 8px; }
  .filter-chip { flex: 1 1 auto; }
  .ambassador-card { padding: 26px; }
}

@media (max-width: 420px) {
  .nav {
    padding-inline: 10px;
    gap: 4px;
  }
  .brand-name { font-size: 0.98rem; }
  .nav-icons a {
    width: 34px;
    height: 42px;
  }
  .mobile-toggle {
    width: 38px;
    height: 42px;
  }
}