/* OCECAN — design system + page styles */
:root {
  --ink:        #061226;
  --ink-2:      #0A1A33;
  --ink-3:      #112744;
  --ocean:      #03152E;
  --ocean-2:    #061F40;
  --ocean-deep: #020B1C;
  --paper:      #F4EFE0;
  --paper-2:    #ECE5D1;
  --paper-3:    #E0D7BD;
  --line:       #1B3556;
  --line-pap:   #1A2540;
  --accent:     #2DD4DF;
  --accent-2:   #7CE9F0;
  --amber:      #E89A3F;
  --amber-2:    #F6BD68;
  --magenta:    #D9457A;
  --text:       #061226;
  --text-mut:   #4A5A72;
  --text-inv:   #F4EFE0;
  --text-inv-m: rgba(244,239,224,0.65);
  --serif:      "Instrument Serif", Georgia, serif;
  --sans:       "Space Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono:       "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--sans); background: var(--paper); color: var(--text); font-size: 16px; line-height: 1.55; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img, svg { display: block; max-width: 100%; }

/* ─── Buttons ─── */
.oc-btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.7rem 1.2rem; border: 1px solid currentColor; border-radius: 0; font-family: var(--mono); font-size: 0.78rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; transition: background .2s, color .2s, transform .15s; }
.oc-btn--lg { padding: 0.95rem 1.6rem; font-size: 0.82rem; }
.oc-btn--accent { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.oc-btn--accent:hover { background: var(--accent); border-color: var(--accent); color: var(--ink); transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--ink); }
.oc-btn--ghost { background: transparent; }
.oc-btn--ghost:hover { background: var(--ink); color: var(--paper); }

/* ─── Common ─── */
.oc-tag { display: inline-flex; align-items: center; gap: 0.6rem; padding: 0.4rem 0.9rem; border: 1px solid var(--line-pap); font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text); background: var(--paper-2); }
.oc-tag__pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 var(--accent); animation: ocp 1.6s ease-out infinite; }
.oc-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.oc-dot--live { background: #4ade80; box-shadow: 0 0 8px #4ade80; }
@keyframes ocp { 0% { box-shadow: 0 0 0 0 rgba(31,184,201,0.5); } 100% { box-shadow: 0 0 0 12px rgba(31,184,201,0); } }

.oc-italic { font-family: var(--serif); font-style: italic; font-weight: 400; }
.oc-accent { color: var(--accent); }
.oc-stroke { -webkit-text-stroke: 1px var(--text); color: transparent; font-weight: 700; }

.oc-h2 { font-family: var(--sans); font-size: clamp(2rem, 4.5vw, 3.6rem); font-weight: 600; line-height: 1.05; letter-spacing: -0.02em; }
.oc-h2 .oc-italic { font-size: 1.06em; line-height: 1; }
.oc-h2--center { text-align: center; }
.oc-h2--inverse { color: var(--text-inv); }
.oc-lead { font-size: 1.05rem; line-height: 1.65; color: var(--text-mut); max-width: 56ch; }

/* ─── Section rule (numbered top bar) ─── */
.oc-rule { display: flex; align-items: center; gap: 1rem; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text); border-top: 1px solid var(--line-pap); border-bottom: 1px solid var(--line-pap); padding: 0.7rem 0; margin-bottom: 4rem; }
.oc-rule span { background: var(--ink); color: var(--paper); padding: 0.3rem 0.6rem; font-weight: 600; }
.oc-rule b { font-weight: 600; flex: 1; }
.oc-rule i { font-style: normal; opacity: 0.5; }
.oc-rule--inverse { color: var(--text-inv); border-color: rgba(246,242,232,0.18); }
.oc-rule--inverse span { background: var(--paper); color: var(--ink); }

.oc-sec { padding: 7rem 5rem; max-width: 1440px; margin: 0 auto; }

/* ═══════════════════════ NAV ═══════════════════════ */
.oc-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 1rem 2rem; background: rgba(3,11,28,0.4); backdrop-filter: blur(20px); border-bottom: 1px solid transparent; transition: border-color .3s, background .3s, color .3s; color: var(--paper); }
.oc-nav.is-scrolled { border-color: var(--line-pap); background: rgba(244,239,224,0.96); color: var(--ink); }
.oc-nav.is-scrolled .oc-nav__brand b { color: var(--ink); }
.oc-nav.is-scrolled .oc-nav__brand em { color: var(--text-mut); }
.oc-nav.is-scrolled .oc-nav__links a { color: var(--ink); }
.oc-nav.is-scrolled .oc-lang { border-color: var(--line-pap); }
.oc-nav.is-scrolled .oc-lang button { color: var(--ink); }
.oc-nav.is-scrolled .oc-lang button.on { background: var(--ink); color: var(--paper); }
.oc-nav.is-scrolled .oc-burger span { background: var(--ink); }
.oc-nav__brand { display: flex; align-items: center; gap: 0.8rem; }
.oc-nav__brand img { height: 42px; }
.oc-nav__brand b { display: block; font-family: var(--sans); font-weight: 700; font-size: 1.05rem; letter-spacing: 0.02em; line-height: 1; color: var(--paper); }
.oc-nav__brand em { display: block; font-family: var(--mono); font-style: normal; font-size: 0.62rem; letter-spacing: 0.1em; color: rgba(244,239,224,0.65); margin-top: 3px; text-transform: uppercase; }
.oc-nav__links { display: flex; gap: 1.6rem; }
.oc-nav__links a { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--paper); transition: color .2s; position: relative; padding: 0.4rem 0; }
.oc-nav__links a::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--accent); transition: width .2s; }
.oc-nav__links a:hover::after { width: 100%; }
.oc-nav__right { display: flex; align-items: center; gap: 0.8rem; }
.oc-lang { display: flex; border: 1px solid rgba(244,239,224,0.3); }
.oc-lang button { padding: 0.4rem 0.7rem; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; color: var(--paper); }
.oc-lang button.on { background: var(--paper); color: var(--ink); }
.oc-burger { display: none; flex-direction: column; gap: 5px; padding: 0.4rem; }
.oc-burger span { width: 22px; height: 1.5px; background: var(--paper); }
.oc-mob { display: none; }

/* ═══════════════════════ TICKER ═══════════════════════ */
.oc-ticker { background: var(--ink); color: var(--paper); border-top: 1px solid var(--accent); border-bottom: 1px solid var(--line); overflow: hidden; padding: 0.85rem 0; }
.oc-ticker__track { display: flex; gap: 3rem; white-space: nowrap; animation: ocMarquee 40s linear infinite; width: max-content; }
.oc-ticker__item { display: inline-flex; align-items: center; gap: 0.6rem; font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; }
@keyframes ocMarquee { from { transform: translateX(0) } to { transform: translateX(-33.333%) } }

/* ═══════════════════════ HERO — DEEP ATLANTIC ═══════════════════════ */
.oc-hero { position: relative; min-height: 100vh; display: flex; align-items: center; background: radial-gradient(ellipse 120% 80% at 50% 100%, var(--ocean-2) 0%, var(--ocean) 40%, var(--ocean-deep) 100%); color: var(--text-inv); overflow: hidden; isolation: isolate; padding: 7rem 5rem 5rem; }
.oc-hero__ocean { position: absolute; inset: 0; z-index: 0; }
.oc-hero__ocean canvas { width: 100%; height: 100%; display: block; }
.oc-hero__vignette { position: absolute; inset: 0; z-index: 1; pointer-events: none; background: radial-gradient(ellipse 90% 70% at 30% 40%, rgba(45,212,223,0.12), transparent 60%), linear-gradient(to bottom, rgba(2,11,28,0.5) 0%, transparent 30%, transparent 70%, rgba(2,11,28,0.7) 100%); }
.oc-hero__grid { position: absolute; inset: 0; z-index: 1; background-image: linear-gradient(rgba(124,233,240,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(124,233,240,0.04) 1px, transparent 1px); background-size: 80px 80px; pointer-events: none; mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%); }
.oc-hero__hud { position: absolute; top: 6rem; right: 5rem; z-index: 2; display: flex; flex-direction: column; gap: 0.4rem; font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.14em; color: rgba(124,233,240,0.55); text-align: right; text-transform: uppercase; }
.oc-hero__hud b { color: var(--accent-2); font-weight: 500; }
.oc-hero__hud-coord { display: flex; align-items: center; gap: 0.5rem; justify-content: flex-end; }
.oc-hero__hud-coord::before { content: ''; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 8px var(--accent); }

.oc-hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr 1fr; gap: 5rem; align-items: center; width: 100%; max-width: 1440px; margin: 0 auto; }
.oc-hero__title { font-family: var(--sans); font-size: clamp(3rem, 7vw, 6rem); font-weight: 600; line-height: 0.98; letter-spacing: -0.03em; margin: 1.5rem 0; color: var(--paper); }
.oc-hero__title .oc-italic { color: var(--accent-2); }
.oc-hero__title .oc-stroke { -webkit-text-stroke: 1.5px rgba(244,239,224,0.5); color: transparent; }
.oc-hero__lead { font-size: 1.1rem; line-height: 1.65; color: rgba(244,239,224,0.7); max-width: 52ch; margin-bottom: 2rem; }
.oc-hero__cta { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.oc-hero .oc-tag { background: rgba(45,212,223,0.08); border-color: rgba(124,233,240,0.3); color: var(--accent-2); }
.oc-hero .oc-btn--accent { background: var(--accent); border-color: var(--accent); color: var(--ocean-deep); }
.oc-hero .oc-btn--accent:hover { background: var(--paper); border-color: var(--paper); color: var(--ink); box-shadow: 4px 4px 0 var(--accent); }
.oc-hero .oc-btn--ghost { color: var(--paper); border-color: rgba(244,239,224,0.4); }
.oc-hero .oc-btn--ghost:hover { background: var(--paper); color: var(--ink); }
.oc-hero__meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 3rem; background: rgba(124,233,240,0.18); border: 1px solid rgba(124,233,240,0.18); }
.oc-hero__meta > div { background: rgba(3,21,46,0.6); backdrop-filter: blur(6px); padding: 0.95rem 1.1rem; }
.oc-hero__meta dt { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.1em; color: rgba(124,233,240,0.55); margin-bottom: 0.2rem; text-transform: uppercase; }
.oc-hero__meta dd { font-size: 0.84rem; font-weight: 500; color: var(--paper); }

/* archipelago panel — floats over ocean */
.oc-archipelago-wrap { position: relative; }
.oc-archipelago { position: relative; aspect-ratio: 1.05/1; background: rgba(3,21,46,0.55); backdrop-filter: blur(12px); border: 1px solid rgba(124,233,240,0.25); color: var(--paper); padding: 2rem; overflow: hidden; box-shadow: 0 30px 80px -20px rgba(0,0,0,0.6), inset 0 0 60px rgba(45,212,223,0.05); }
.oc-archipelago::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(124,233,240,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(124,233,240,0.06) 1px, transparent 1px); background-size: 24px 24px; }
.oc-archipelago__svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.oc-isle { position: absolute; transform: translate(-50%, -50%); width: 44px; height: 44px; display: grid; place-items: center; background: none; border: 0; }
.oc-isle__pulse { position: absolute; inset: 0; border-radius: 50%; border: 1px solid var(--accent); opacity: 0.5; animation: ocIslePulse 2.4s ease-out infinite; }
.oc-isle.is-hover .oc-isle__pulse { animation-duration: 1s; opacity: 1; }
@keyframes ocIslePulse { 0% { transform: scale(0.4); opacity: 0.7 } 100% { transform: scale(1.4); opacity: 0 } }
.oc-isle__core { position: relative; width: 12px; height: 12px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 12px var(--accent); }
.oc-isle__lbl { position: absolute; bottom: -16px; left: 50%; transform: translateX(-50%); font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.08em; color: var(--accent-2); }
.oc-isle.is-hover .oc-isle__core { background: #fff; box-shadow: 0 0 18px #fff, 0 0 30px var(--accent); }

.oc-archipelago__hud { position: absolute; left: 1.4rem; right: 1.4rem; bottom: 1.4rem; background: rgba(10,22,40,0.92); border: 1px solid rgba(91,212,223,0.3); padding: 0.8rem 1rem; backdrop-filter: blur(8px); z-index: 10; }
.oc-hud-row { display: grid; grid-template-columns: 70px 1fr; gap: 1rem; padding: 0.25rem 0; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.06em; }
.oc-hud-row + .oc-hud-row { border-top: 1px dashed rgba(91,212,223,0.18); }
.oc-hud-k { color: rgba(91,212,223,0.6); }
.oc-hud-v { color: var(--paper); }
.oc-archipelago__corner { position: absolute; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.12em; color: rgba(91,212,223,0.55); }
.oc-archipelago__corner--tl { top: 0.7rem; left: 0.9rem; }
.oc-archipelago__corner--tr { top: 0.7rem; right: 0.9rem; }
.oc-archipelago__corner--bl { display: none; }
.oc-archipelago__corner--br { display: none; }

.oc-scroll-cue { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 0.5rem; font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.18em; color: rgba(124,233,240,0.7); z-index: 3; }
.oc-scroll-cue span { width: 1px; height: 50px; background: linear-gradient(to bottom, var(--accent-2), transparent); animation: ocScroll 2s ease-in-out infinite; }
@keyframes ocScroll { 0%,100% { transform: scaleY(0.3); transform-origin: top } 50% { transform: scaleY(1); transform-origin: top } }

/* ═══════════════════════ MISSION ═══════════════════════ */
.oc-mission { background: var(--paper); }
.oc-mission__grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 4rem; padding-bottom: 4rem; border-bottom: 1px solid var(--line-pap); }
.oc-mission__intro { position: sticky; top: 100px; align-self: start; }
.oc-mission__body p { font-size: 1.05rem; line-height: 1.7; color: var(--text-mut); margin-bottom: 1.5rem; }
.oc-quote { margin-top: 2.5rem; padding: 2rem; border: 1px solid var(--line-pap); background: var(--paper-2); position: relative; }
.oc-quote__mark { position: absolute; top: -0.5rem; left: 1.2rem; font-family: var(--serif); font-size: 4rem; line-height: 1; color: var(--accent); }
.oc-quote p { font-family: var(--serif); font-style: italic; font-size: 1.4rem; line-height: 1.4; color: var(--text); margin-bottom: 1rem; }
.oc-quote footer { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.06em; color: var(--text-mut); }
.oc-counters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 4rem; background: var(--line-pap); border: 1px solid var(--line-pap); }
.oc-counter { background: var(--paper); padding: 2rem; }
.oc-counter__n { font-family: var(--serif); font-size: 4rem; font-weight: 400; line-height: 1; color: var(--accent); }
.oc-counter__l { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.12em; color: var(--text-mut); margin-top: 0.6rem; }

/* ═══════════════════════ AXES ═══════════════════════ */
.oc-axes { background: var(--paper-2); }
.oc-axes__tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 3rem 0 0; background: var(--line-pap); border: 1px solid var(--line-pap); border-bottom: 0; }
.oc-axes__tab { background: var(--paper); padding: 1.4rem 1.2rem; text-align: left; transition: background .2s, color .2s; display: flex; flex-direction: column; gap: 0.2rem; }
.oc-axes__tab:hover { background: var(--paper-3); }
.oc-axes__tab.is-on { background: var(--ink); color: var(--paper); }
.oc-axes__num { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; opacity: 0.6; }
.oc-axes__nm { font-family: var(--sans); font-size: 1.05rem; font-weight: 600; }
.oc-axes__panel { display: grid; grid-template-columns: 1fr 1fr; gap: 0; background: var(--paper); border: 1px solid var(--line-pap); }
.oc-axes__big { padding: 3rem; background: var(--ink); color: var(--paper); position: relative; }
.oc-axes__bignum { font-family: var(--serif); font-size: 8rem; line-height: 1; color: var(--accent); margin-bottom: 1rem; }
.oc-axes__bigt { font-family: var(--sans); font-size: 1.6rem; font-weight: 600; line-height: 1.15; margin-bottom: 1rem; }
.oc-axes__big p { color: rgba(246,242,232,0.7); line-height: 1.6; }
.oc-axes__list { list-style: none; padding: 3rem; display: flex; flex-direction: column; }
.oc-axes__list li { display: flex; gap: 1rem; padding: 1.1rem 0; border-bottom: 1px dashed var(--line-pap); font-size: 0.95rem; }
.oc-axes__list li:last-child { border-bottom: 0; }
.oc-axes__bullet { display: inline-block; width: 8px; height: 8px; background: var(--accent); margin-top: 8px; flex-shrink: 0; }

/* ═══════════════════════ FOCUS ═══════════════════════ */
.oc-focus { background: var(--ink); color: var(--text-inv); padding-top: 7rem; padding-bottom: 7rem; max-width: none; }
.oc-focus > * { max-width: 1440px; margin-left: auto; margin-right: auto; }
.oc-focus__hero { display: grid; grid-template-columns: 1fr 1.4fr; gap: 4rem; padding: 0 5rem; }
.oc-focus__head { position: sticky; top: 100px; align-self: start; }
.oc-focus__chip { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.4rem 0.8rem; border: 1px solid rgba(91,212,223,0.4); font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; color: var(--accent-2); margin-bottom: 1.5rem; text-transform: uppercase; }
.oc-focus__head p { color: rgba(246,242,232,0.65); margin-top: 1.5rem; line-height: 1.65; }
.oc-focus__cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: rgba(91,212,223,0.2); border: 1px solid rgba(91,212,223,0.2); }
.oc-fcard { background: var(--ink-2); padding: 1.8rem; transition: background .2s; }
.oc-fcard:hover { background: var(--ink-3); }
.oc-fcard header { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.12em; color: var(--accent-2); margin-bottom: 1rem; text-transform: uppercase; }
.oc-fcard__tag { color: var(--amber-2); }
.oc-fcard h3 { font-family: var(--sans); font-size: 1.2rem; font-weight: 600; margin-bottom: 0.6rem; }
.oc-fcard p { font-size: 0.92rem; line-height: 1.55; color: rgba(246,242,232,0.6); margin-bottom: 1.2rem; }
.oc-fcard__progress { height: 2px; background: rgba(91,212,223,0.15); overflow: hidden; margin-bottom: 0.5rem; }
.oc-fcard__progress span { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.oc-fcard__meta { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.08em; color: rgba(246,242,232,0.5); }
.oc-focus__progs { margin-top: 4rem; padding: 0 5rem; border-top: 1px solid rgba(91,212,223,0.2); padding-top: 2rem; }
.oc-focus__progs-h { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; color: rgba(91,212,223,0.6); margin-bottom: 1.2rem; text-transform: uppercase; }
.oc-progchips { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.oc-progchip { padding: 0.5rem 1rem; border: 1px solid rgba(91,212,223,0.3); font-family: var(--mono); font-size: 0.78rem; color: var(--accent-2); transition: all .2s; }
.oc-progchip:hover { background: var(--accent); color: var(--ink); border-color: var(--accent); }