/* =============================================================================
   OpenWebcam — openwebcam.site  ·  v2 "App-DNA, elevated"
   Built from the Android app's real Material theme (seed #2C3E50, calm + flat),
   composed editorially. Light-first with a dark toggle.
   Type: Fraunces (display) · Geist (body) · Geist Mono (readouts).
   ========================================================================== */

/* ---------- tokens : LIGHT (default, from app light scheme) ---------- */
:root {
  --navy:            #2C3E50;   /* primary / brand */
  --navy-ink:        #101F2D;   /* deep brand ink (onPrimaryContainer) */
  --navy-container:  #CFE0F2;   /* primaryContainer */
  --secondary:       #53606E;   /* muted text */
  --bg:              #FCFCFD;   /* surface / page */
  --bg-tint:         #F4F6F9;   /* faint navy-tinted band */
  --ink:             #1A1C1E;   /* body text (onSurface) */
  --surface:         #FFFFFF;   /* raised surface */
  --surface-2:       #EEF1F5;   /* card (tuned from surfaceContainerHighest) */
  --surface-var:     #DEE3EA;   /* surfaceVariant */
  --outline:         #72777F;
  --outline-var:     #C5C9CE;
  --rec:             #BA1A1A;   /* the one sharp accent: live / REC / emphasis */
  --rec-ink:         #BA1A1A;

  /* on-brand fills */
  --on-navy:         #FFFFFF;
  --navy-link:       #2C3E50;

  /* device screen (the app viewfinder is near-black) */
  --screen:          #07090B;
  --screen-2:        #0E1217;

  /* shape — exactly the app: flat, soft */
  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-pill: 999px;

  /* type */
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", "Cascadia Code", monospace;

  /* fluid scale */
  --step--1: clamp(0.82rem, 0.79rem + 0.15vw, 0.9rem);
  --step-0:  clamp(1rem, 0.96rem + 0.2vw, 1.12rem);
  --step-1:  clamp(1.2rem, 1.12rem + 0.4vw, 1.45rem);
  --step-2:  clamp(1.5rem, 1.35rem + 0.75vw, 2rem);
  --step-3:  clamp(2rem, 1.7rem + 1.5vw, 3rem);
  --step-4:  clamp(2.6rem, 2.05rem + 2.75vw, 4.4rem);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --maxw: 1180px;

  /* depth comes from outlines + soft tinted shadow, never heavy drop shadows */
  --ring: inset 0 0 0 1px var(--outline-var);
  --lift: 0 1px 2px rgba(16, 31, 45, 0.05), 0 18px 40px -28px rgba(16, 31, 45, 0.45);

  color-scheme: light;
}

/* ---------- tokens : DARK (explicit toggle or system pref) ---------- */
:root[data-theme="dark"] {
  --navy:            #7FA8C9;   /* dark primary (light blue) */
  --navy-ink:        #CFE0F2;
  --navy-container:  #2C4A63;
  --secondary:       #AAB6C2;
  --bg:              #121417;   /* never pure black, like the app */
  --bg-tint:         #161A1F;
  --ink:             #E2E2E6;
  --surface:         #181B1F;
  --surface-2:       #21252A;
  --surface-var:     #42474E;
  --outline:         #8C9198;
  --outline-var:     #3A3F45;
  --rec:             #FF6B6B;   /* brighter red for dark contrast */
  --rec-ink:         #FFB3AB;

  --on-navy:         #13344B;
  --navy-link:       #9EC2DE;

  --screen:          #05070A;
  --screen-2:        #0B0F14;

  --ring: inset 0 0 0 1px var(--outline-var);
  --lift: 0 1px 2px rgba(0, 0, 0, 0.4), 0 22px 46px -28px rgba(0, 0, 0, 0.7);
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --navy: #7FA8C9; --navy-ink: #CFE0F2; --navy-container: #2C4A63;
    --secondary: #AAB6C2; --bg: #121417; --bg-tint: #161A1F; --ink: #E2E2E6;
    --surface: #181B1F; --surface-2: #21252A; --surface-var: #42474E;
    --outline: #8C9198; --outline-var: #3A3F45; --rec: #FF6B6B; --rec-ink: #FFB3AB;
    --on-navy: #13344B; --navy-link: #9EC2DE;
    --screen: #05070A; --screen-2: #0B0F14;
    --lift: 0 1px 2px rgba(0,0,0,0.4), 0 22px 46px -28px rgba(0,0,0,0.7);
    color-scheme: dark;
  }
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--navy-ink);
  text-wrap: balance;
  font-optical-sizing: auto;
}
:root[data-theme="dark"] h1, :root[data-theme="dark"] h2, :root[data-theme="dark"] h3 { color: var(--ink); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) h1, :root:not([data-theme="light"]) h2, :root:not([data-theme="light"]) h3 { color: var(--ink); }
}

p { text-wrap: pretty; }
a { color: var(--navy-link); text-decoration: none; }
img, svg { display: block; max-width: 100%; }
code, pre, .mono { font-family: var(--mono); font-feature-settings: "ss01"; }
:focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--navy); color: var(--on-navy);
  padding: 10px 16px; border-radius: var(--r-sm); transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2.4rem); }

/* shared eyebrow (used sparingly, not on every section) */
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5ch;
  font-family: var(--mono); font-size: var(--step--1);
  letter-spacing: 0.04em; color: var(--secondary);
  text-transform: none;
}

/* live dot */
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--rec); display: inline-block; flex: none;
  box-shadow: 0 0 0 0 color-mix(in oklab, var(--rec) 60%, transparent);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--rec) 55%, transparent); }
  70% { box-shadow: 0 0 0 7px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* ---------- buttons ---------- */
.btn {
  --b-bg: var(--navy); --b-fg: var(--on-navy);
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55ch;
  font-family: var(--sans); font-weight: 600; font-size: var(--step-0);
  line-height: 1; padding: 0.85em 1.4em; border-radius: var(--r-pill);
  background: var(--b-bg); color: var(--b-fg); border: 1px solid transparent;
  cursor: pointer; transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--ghost {
  --b-bg: transparent; --b-fg: var(--navy-ink);
  border-color: var(--outline-var);
}
:root[data-theme="dark"] .btn--ghost { --b-fg: var(--ink); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .btn--ghost{ --b-fg: var(--ink);} }
.btn--ghost:hover { border-color: var(--navy); background: color-mix(in oklab, var(--navy) 7%, transparent); }
.btn--lg { font-size: var(--step-1); padding: 0.95em 1.6em; }
.btn--block { width: 100%; }
.btn--soon { background: var(--surface-2); color: var(--secondary); border-color: var(--outline-var); cursor: not-allowed; }
.btn--soon:hover { transform: none; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in oklab, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.nav.is-stuck { border-bottom-color: var(--outline-var); }
.nav__inner { display: flex; align-items: center; gap: 1.4rem; height: 66px; }
.nav__links { display: flex; gap: 1.6rem; margin-left: auto; }
.nav__links a { color: var(--secondary); font-weight: 500; font-size: var(--step--1); transition: color 0.2s var(--ease); }
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--navy-ink); }
:root[data-theme="dark"] .nav__links a:hover, :root[data-theme="dark"] .nav__links a[aria-current="page"]{ color: var(--ink); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .nav__links a:hover{ color: var(--ink);} }

/* brand */
.brand { display: inline-flex; align-items: center; gap: 0.6ch; }
.brand__mark { width: 30px; height: 30px; flex: none; }
.brand__word {
  font-family: var(--mono); font-weight: 500; font-size: 1.06rem;
  letter-spacing: -0.02em; color: var(--navy-ink);
}
:root[data-theme="dark"] .brand__word { color: var(--ink); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .brand__word{ color: var(--ink);} }

/* theme toggle */
.theme-toggle {
  width: 40px; height: 40px; flex: none; display: grid; place-items: center;
  border-radius: var(--r-pill); border: 1px solid var(--outline-var);
  background: transparent; color: var(--navy-ink); cursor: pointer;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), color 0.25s var(--ease);
}
:root[data-theme="dark"] .theme-toggle { color: var(--ink); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .theme-toggle{ color: var(--ink);} }
.theme-toggle:hover { border-color: var(--navy); transform: rotate(-15deg); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .i-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .i-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .i-moon { display: block; }
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .theme-toggle .i-sun{ display:none;}
  :root:not([data-theme="light"]) .theme-toggle .i-moon{ display:block;}
}

.nav__cta { padding: 0.6em 1.1em; font-size: var(--step--1); }
.nav__menu { display: none; }

/* =============================================================================
   HERO
   ========================================================================== */
.hero { position: relative; padding-block: clamp(2.5rem, 6vw, 5rem) clamp(3rem, 7vw, 6rem); }
.hero__grid {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.hero__copy { max-width: 33ch; }
.hero__title {
  font-size: var(--step-4); margin-top: 1rem; margin-bottom: 1.1rem;
}
.hero__title em { font-style: italic; color: var(--navy); }
.hero__lede { font-size: var(--step-1); color: var(--secondary); max-width: 38ch; line-height: 1.5; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.8rem; }
.hero__chips { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 0.6rem; margin-top: 1.7rem; }
.hero__chips li {
  font-family: var(--mono); font-size: var(--step--1); color: var(--secondary);
  border: 1px solid var(--outline-var); border-radius: var(--r-pill);
  padding: 0.32em 0.85em;
}

/* ---- the product stage : phone + desktop client + connection card ---- */
.stage { position: relative; min-height: 460px; }
.stage__glow {
  position: absolute; inset: -10% -6% -6% -6%; z-index: 0; border-radius: 50%;
  background: radial-gradient(60% 55% at 60% 40%, color-mix(in oklab, var(--navy) 22%, transparent), transparent 70%);
  filter: blur(10px);
}

/* desktop client window (sits back-right) */
.desktop {
  position: absolute; right: 0; top: 6%; width: 78%; z-index: 1;
  background: var(--surface); border: 1px solid var(--outline-var);
  border-radius: var(--r-md); box-shadow: var(--lift); overflow: hidden;
}
.desktop__bar {
  display: flex; align-items: center; gap: 0.6ch; padding: 9px 12px;
  background: var(--surface-2); border-bottom: 1px solid var(--outline-var);
}
.desktop__dots { display: flex; gap: 6px; }
.desktop__dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--outline-var); }
.desktop__title { font-family: var(--mono); font-size: 0.72rem; color: var(--secondary); margin-left: 0.4ch; }
.desktop__body { position: relative; aspect-ratio: 16 / 10; }
.desktop__vcam {
  position: absolute; left: 10px; bottom: 10px; z-index: 3;
  display: inline-flex; align-items: center; gap: 0.5ch;
  font-family: var(--mono); font-size: 0.7rem; color: #fff;
  background: rgba(7, 9, 11, 0.6); border-radius: var(--r-pill); padding: 5px 10px;
  backdrop-filter: blur(4px);
}

/* phone (front-left, overlapping) */
.phone {
  position: absolute; left: 0; bottom: 0; z-index: 2; width: 47%; max-width: 230px;
  background: var(--navy-ink); border-radius: 32px; padding: 9px;
  box-shadow: var(--lift); border: 1px solid color-mix(in oklab, var(--navy-ink) 60%, #fff 6%);
}
.phone__screen {
  position: relative; border-radius: 24px; overflow: hidden;
  aspect-ratio: 9 / 18; background: var(--screen);
}

/* the live camera scene (faux preview, calm + lit) */
.scene { position: absolute; inset: 0; z-index: 0; }
.scene::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(70% 50% at 38% 32%, rgba(207, 224, 242, 0.32), transparent 60%),
    radial-gradient(80% 60% at 72% 78%, rgba(127, 168, 201, 0.28), transparent 65%),
    linear-gradient(155deg, #16202b 0%, #0c1218 55%, #07090b 100%);
}
.scene::after { /* soft subject silhouette */
  content: ""; position: absolute; left: 50%; bottom: -8%; transform: translateX(-50%);
  width: 64%; aspect-ratio: 3 / 4; border-radius: 50% 50% 42% 42%;
  background: radial-gradient(60% 60% at 50% 35%, rgba(222, 227, 234, 0.22), rgba(44, 62, 80, 0.18) 60%, transparent 72%);
  filter: blur(2px);
}
.scene__grid {
  position: absolute; inset: 0; opacity: 0.18;
  background-image: linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
  background-size: 33.3% 33.3%;
}

/* viewfinder overlay (mirrors ViewfinderScreen) */
.vf { position: absolute; inset: 0; z-index: 2; }
.vf__top { position: absolute; top: 10px; left: 10px; right: 10px; display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.vf__back {
  width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(7,9,11,0.45); color: #fff;
}
.vf__back svg { width: 16px; height: 16px; }
.vf__pill {
  display: inline-flex; align-items: center; gap: 0.5ch;
  background: rgba(7,9,11,0.55); color: #fff; border-radius: var(--r-pill);
  font-family: var(--mono); font-size: 0.62rem; padding: 5px 9px; letter-spacing: -0.01em;
}
.vf__pill .dot { width: 6px; height: 6px; }
.vf__bracket { position: absolute; width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.85); }
.vf__bracket--tl { top: 46px; left: 16px; border-right: 0; border-bottom: 0; }
.vf__bracket--tr { top: 46px; right: 16px; border-left: 0; border-bottom: 0; }
.vf__bracket--bl { bottom: 64px; left: 16px; border-right: 0; border-top: 0; }
.vf__bracket--br { bottom: 64px; right: 16px; border-left: 0; border-top: 0; }
.vf__chips {
  position: absolute; left: 8px; right: 8px; bottom: 10px;
  display: flex; align-items: center; justify-content: center; gap: 7px;
}
.vf__chip {
  width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(7,9,11,0.55); color: #fff;
}
.vf__chip svg { width: 16px; height: 16px; }
.vf__chip--on { background: var(--navy); }
:root[data-theme="dark"] .vf__chip--on { background: #2C4A63; }
.vf__chip--stop { background: var(--rec); }

/* connection card — the link between phone & desktop */
.conn {
  position: absolute; right: 2%; bottom: 2%; z-index: 5; width: min(58%, 270px);
  background: var(--surface); border: 1px solid var(--outline-var);
  border-radius: var(--r-md); padding: 12px 13px; box-shadow: var(--lift);
}
.conn__row { display: flex; align-items: center; gap: 9px; }
.conn__qr { width: 46px; height: 46px; border-radius: 8px; flex: none; background: #fff; padding: 4px; }
.conn__meta { min-width: 0; }
.conn__label { font-size: 0.66rem; color: var(--secondary); font-family: var(--mono); }
.conn__url {
  font-family: var(--mono); font-size: 0.82rem; color: var(--navy-ink);
  display: flex; align-items: center; gap: 0.5ch; font-weight: 500;
}
:root[data-theme="dark"] .conn__url { color: var(--ink); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .conn__url{ color: var(--ink);} }
.conn__url svg { width: 13px; height: 13px; color: var(--secondary); }
.conn__seg { display: flex; gap: 0; margin-top: 9px; border: 1px solid var(--outline-var); border-radius: var(--r-pill); overflow: hidden; }
.conn__seg span { flex: 1; text-align: center; font-family: var(--mono); font-size: 0.66rem; padding: 4px 0; color: var(--secondary); }
.conn__seg span.on { background: var(--navy); color: var(--on-navy); }

/* =============================================================================
   WORKS-WITH band
   ========================================================================== */
.works { border-block: 1px solid var(--outline-var); background: var(--bg-tint); }
.works .wrap { padding-block: clamp(1.6rem, 3vw, 2.2rem); }
.works__label { font-family: var(--mono); font-size: var(--step--1); color: var(--secondary); margin-bottom: 0.9rem; }
.works__list { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.6rem 1.8rem; align-items: center; }
.works__list li { font-family: var(--display); font-size: var(--step-1); font-weight: 500; color: var(--navy-ink); letter-spacing: -0.02em; }
:root[data-theme="dark"] .works__list li { color: var(--ink); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .works__list li{ color: var(--ink);} }
.works__list li.muted { color: var(--secondary); font-family: var(--sans); font-size: var(--step-0); font-weight: 400; }

/* =============================================================================
   section scaffold
   ========================================================================== */
.section { padding-block: clamp(3.5rem, 8vw, 6.5rem); }
.section__head { max-width: 46ch; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section__head h2 { font-size: var(--step-3); margin-bottom: 0.8rem; }
.section__head p { color: var(--secondary); font-size: var(--step-1); line-height: 1.5; }

/* ---- two-audience split ---- */
.split__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.2rem, 3vw, 2.2rem); }
.usecase {
  background: var(--surface); border: 1px solid var(--outline-var); border-radius: var(--r-lg);
  padding: clamp(1.3rem, 3vw, 2rem); display: flex; flex-direction: column; gap: 1.4rem;
  min-width: 0; /* let the code block's overflow-x engage instead of stretching the grid */
}
.code { min-width: 0; }
.usecase__text h3 { font-size: var(--step-2); margin-bottom: 0.6rem; }
.usecase__text p { color: var(--secondary); }
.usecase__text strong { color: var(--ink); font-weight: 600; }

/* call: app camera-picker mock */
.picker { background: var(--surface-2); border-radius: var(--r-md); padding: 14px; border: 1px solid var(--outline-var); }
.picker__label { font-family: var(--mono); font-size: var(--step--1); color: var(--secondary); margin-bottom: 8px; }
.picker__opt { display: flex; align-items: center; gap: 0.7ch; padding: 10px 12px; border-radius: var(--r-sm); color: var(--secondary); font-size: var(--step--1); }
.picker__opt--on { background: var(--navy); color: var(--on-navy); font-weight: 600; }
.picker__opt--on .picker__check { opacity: 1; }
.picker__check { opacity: 0; font-weight: 700; }
.picker__caret { margin-left: auto; }

/* code block */
.code { background: var(--screen-2); border: 1px solid var(--outline-var); border-radius: var(--r-md); overflow: hidden; }
.code__bar { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; background: rgba(255,255,255,0.03); border-bottom: 1px solid rgba(255,255,255,0.08); }
.code__file { font-family: var(--mono); font-size: 0.76rem; color: #9aa6b2; }
.code__copy { font-family: var(--mono); font-size: 0.72rem; color: #cfe0f2; background: transparent; border: 1px solid rgba(255,255,255,0.18); border-radius: var(--r-pill); padding: 3px 11px; cursor: pointer; transition: background 0.2s var(--ease); }
.code__copy:hover { background: rgba(255,255,255,0.1); }
.code__copy.copied { color: #8be29a; border-color: rgba(139,226,154,0.4); }
.code__pre { margin: 0; padding: 16px; overflow-x: auto; }
.code__pre code { font-family: var(--mono); font-size: 0.82rem; line-height: 1.7; color: #d6dee6; white-space: pre; }
.c-kw { color: #f0a868; } .c-st { color: #8be29a; } .c-cm { color: #6b7886; font-style: italic; }

/* ---- how it works ---- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2.5vw, 2rem); }
.step { position: relative; padding-top: 1.4rem; border-top: 2px solid var(--navy); }
.step__n { font-family: var(--mono); font-size: var(--step--1); color: var(--navy); font-weight: 600; }
.step h3 { font-size: var(--step-2); margin: 0.6rem 0 0.5rem; }
.step p { color: var(--secondary); }
.step strong { color: var(--ink); }

/* ---- features ---- */
.feat { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: clamp(0.9rem, 2vw, 1.4rem); }
.cell {
  background: var(--surface); border: 1px solid var(--outline-var); border-radius: var(--r-lg);
  padding: clamp(1.2rem, 2.4vw, 1.7rem); display: flex; flex-direction: column; gap: 0.5rem;
}
.cell__tag { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.06em; color: var(--secondary); }
.cell h3 { font-size: var(--step-1); }
.cell p { color: var(--secondary); font-size: var(--step-0); }
.cell--feature { grid-column: 1; grid-row: 1 / span 2; justify-content: space-between; }
.cell--navy { background: var(--navy); border-color: transparent; }
.cell--navy .cell__tag { color: color-mix(in oklab, var(--on-navy) 70%, transparent); }
.cell--navy h3 { color: var(--on-navy); }
.cell--navy p { color: color-mix(in oklab, var(--on-navy) 82%, transparent); }
.meter { margin-top: 0.8rem; height: 8px; border-radius: var(--r-pill); background: color-mix(in oklab, var(--on-navy) 22%, transparent); overflow: hidden; position: relative; }
.meter span { position: absolute; inset: 0; width: 72%; background: var(--on-navy); border-radius: var(--r-pill); }
.meter-read { font-family: var(--mono); font-size: 0.72rem; color: color-mix(in oklab, var(--on-navy) 78%, transparent); margin-top: 0.5rem; }

/* ---- privacy band (navy drenched — the committed color moment) ---- */
.privacy { background: var(--navy); color: var(--on-navy); }
:root[data-theme="dark"] .privacy { background: #1B2935; }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .privacy{ background:#1B2935;} }
.privacy .wrap { padding-block: clamp(3.5rem, 7vw, 5.5rem); }
.privacy__grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.privacy h2 { color: var(--on-navy); font-size: var(--step-3); margin-bottom: 1rem; }
:root[data-theme="dark"] .privacy h2 { color: var(--ink); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .privacy h2{ color: var(--ink);} }
.privacy p { color: color-mix(in oklab, var(--on-navy) 84%, transparent); font-size: var(--step-1); line-height: 1.55; margin-bottom: 1.6rem; }
:root[data-theme="dark"] .privacy p { color: color-mix(in oklab, var(--ink) 80%, transparent); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .privacy p{ color: color-mix(in oklab, var(--ink) 80%, transparent);} }
.privacy .btn--ghost { --b-fg: var(--on-navy); border-color: color-mix(in oklab, var(--on-navy) 35%, transparent); }
:root[data-theme="dark"] .privacy .btn--ghost { --b-fg: var(--ink); border-color: var(--outline-var); }
.privacy .btn--ghost:hover { background: color-mix(in oklab, var(--on-navy) 12%, transparent); border-color: var(--on-navy); }
.privacy__list { list-style: none; padding: 0; display: grid; gap: 0.9rem; }
.privacy__list li { display: flex; align-items: center; gap: 0.8ch; font-size: var(--step-0); color: color-mix(in oklab, var(--on-navy) 90%, transparent); }
:root[data-theme="dark"] .privacy__list li { color: color-mix(in oklab, var(--ink) 88%, transparent); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .privacy__list li{ color: color-mix(in oklab, var(--ink) 88%, transparent);} }
.privacy__list svg { width: 18px; height: 18px; flex: none; color: color-mix(in oklab, var(--on-navy) 70%, transparent); }
:root[data-theme="dark"] .privacy__list svg { color: var(--navy); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .privacy__list svg{ color: var(--navy);} }

/* ---- final CTA ---- */
.cta .wrap { padding-block: clamp(4rem, 9vw, 7rem); text-align: center; }
.cta h2 { font-size: var(--step-3); margin-bottom: 0.9rem; }
.cta p { color: var(--secondary); font-size: var(--step-1); max-width: 44ch; margin-inline: auto; margin-bottom: 1.9rem; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center; }

/* =============================================================================
   footer
   ========================================================================== */
.footer { border-top: 1px solid var(--outline-var); background: var(--bg-tint); }
.footer .wrap { padding-block: clamp(2.5rem, 5vw, 3.5rem); }
.footer__top { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 2rem; }
.footer__brand p { color: var(--secondary); margin-top: 0.8rem; max-width: 30ch; font-size: var(--step--1); }
.footer__col h4 { font-family: var(--mono); font-size: var(--step--1); color: var(--secondary); font-weight: 500; margin-bottom: 0.9rem; letter-spacing: 0.02em; }
.footer__col a { display: block; color: var(--ink); margin-bottom: 0.6rem; font-size: var(--step-0); }
.footer__col a:hover { color: var(--navy-link); }
.footer__base { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; justify-content: space-between; margin-top: 2.5rem; padding-top: 1.4rem; border-top: 1px solid var(--outline-var); }
.footer__base span { font-size: var(--step--1); color: var(--secondary); }
.footer__base .mono { font-family: var(--mono); }

/* =============================================================================
   doc pages (privacy) + download platforms — restyled in steps 3-4
   (styles defined here so the system is complete)
   ========================================================================== */
.doc { max-width: 760px; margin-inline: auto; padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.doc__head { margin-bottom: 2.5rem; padding-bottom: 1.6rem; border-bottom: 1px solid var(--outline-var); }
.doc__head h1 { font-size: var(--step-3); margin: 0.8rem 0 0.6rem; }
.doc__updated { font-family: var(--mono); font-size: var(--step--1); color: var(--secondary); }
.doc__lede { font-size: var(--step-1); color: var(--secondary); margin-top: 1.1rem; line-height: 1.5; }
.doc__body { counter-reset: docsec; }
.doc__body h2 { font-size: var(--step-2); margin: 2.4rem 0 0.8rem; display: flex; align-items: baseline; gap: 0.7ch; }
.doc__body h2::before { content: counter(docsec, decimal-leading-zero); counter-increment: docsec; font-family: var(--mono); font-size: 0.9rem; color: var(--navy); font-weight: 600; }
.doc__body p, .doc__body li { color: var(--ink); }
.doc__body ul { padding-left: 1.2rem; display: grid; gap: 0.7rem; margin-top: 0.4rem; }
.doc__body li::marker { color: var(--navy); }
.doc__body strong { color: var(--navy-ink); font-weight: 600; }
:root[data-theme="dark"] .doc__body strong { color: var(--navy); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .doc__body strong{ color: var(--navy);} }
.doc__note { margin-top: 2.4rem; background: var(--surface-2); border: 1px solid var(--outline-var); border-radius: var(--r-md); padding: 1.1rem 1.3rem; font-size: var(--step--1); color: var(--secondary); }
.doc__note strong { font-family: var(--mono); color: var(--navy-ink); }
:root[data-theme="dark"] .doc__note strong{ color: var(--ink); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .doc__note strong{ color: var(--ink);} }
.doc__back { display: inline-block; margin-top: 2.5rem; font-family: var(--mono); font-size: var(--step--1); }

/* download platforms */
.platforms { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.2rem, 3vw, 2rem); }
.platform { background: var(--surface); border: 1px solid var(--outline-var); border-radius: var(--r-lg); padding: clamp(1.4rem, 3vw, 2rem); display: flex; flex-direction: column; }
.platform__icon { width: 46px; height: 46px; border-radius: var(--r-sm); display: grid; place-items: center; background: var(--surface-2); color: var(--navy); margin-bottom: 1rem; }
.platform__icon svg { width: 26px; height: 26px; }
.platform__kicker { font-family: var(--mono); font-size: var(--step--1); color: var(--secondary); }
.platform h2 { font-size: var(--step-2); margin: 0.2rem 0 0.8rem; }
.platform__desc { color: var(--secondary); margin-bottom: 1.1rem; }
.platform__desc strong { color: var(--ink); }
.platform__specs { list-style: none; padding: 0; display: grid; gap: 0.55rem; margin-bottom: 1.4rem; }
.platform__specs li { font-family: var(--mono); font-size: var(--step--1); color: var(--secondary); display: flex; gap: 0.6ch; }
.platform__specs li::before { content: "—"; color: var(--navy); }
.platform__action { margin-top: auto; }
.platform__sub { font-size: var(--step--1); color: var(--secondary); margin-top: 0.8rem; }

/* =============================================================================
   reveal-on-scroll — ENHANCES already-visible content (no blank sections)
   pre-state only applies when JS is active (html.js); always resolves via
   IntersectionObserver + a failsafe timer + pagehide.
   ========================================================================== */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); will-change: opacity, transform; }
.js .reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .js .reveal, .js .reveal.is-in { opacity: 1 !important; transform: none !important; transition: none !important; }
  .dot { animation: none; }
  .btn:hover, .theme-toggle:hover { transform: none; }
}

/* hero load stagger */
.hero__copy > * { opacity: 0; animation: rise 0.8s var(--ease) forwards; }
.hero__copy > *:nth-child(1) { animation-delay: 0.05s; }
.hero__copy > *:nth-child(2) { animation-delay: 0.13s; }
.hero__copy > *:nth-child(3) { animation-delay: 0.21s; }
.hero__copy > *:nth-child(4) { animation-delay: 0.29s; }
.hero__copy > *:nth-child(5) { animation-delay: 0.37s; }
.stage { opacity: 0; animation: rise 0.9s var(--ease) 0.2s forwards; }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .hero__copy > *, .stage { opacity: 1 !important; animation: none !important; transform: none !important; }
}

/* =============================================================================
   responsive
   ========================================================================== */
@media (max-width: 920px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__copy { max-width: 46ch; }
  .stage { min-height: 420px; max-width: 460px; margin-inline: auto; width: 100%; }
  .feat { grid-template-columns: 1fr 1fr; }
  .cell--feature { grid-column: 1 / -1; grid-row: auto; }
  .privacy__grid { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__links.open {
    display: flex; flex-direction: column; gap: 0; position: absolute; top: 66px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--outline-var); padding: 0.5rem 0;
  }
  .nav__links.open a { padding: 0.8rem clamp(1.1rem, 4vw, 2.4rem); }
  .nav__menu { display: inline-grid; place-items: center; gap: 5px; width: 40px; height: 40px; background: transparent; border: 1px solid var(--outline-var); border-radius: var(--r-pill); cursor: pointer; }
  .nav__menu span { width: 16px; height: 2px; background: var(--navy-ink); border-radius: 2px; }
  :root[data-theme="dark"] .nav__menu span { background: var(--ink); }
  .split__grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .feat { grid-template-columns: 1fr; }
  .platforms { grid-template-columns: 1fr; }
}
@media (max-width: 460px) {
  .footer__top { grid-template-columns: 1fr; }
  .works__list { gap: 0.5rem 1.1rem; }
  .nav__cta { display: none; }
}