/* ==========================================================================
   AnchorZen — landing page stylesheet
   Visual language: design/DESIGN_TOKENS.md (proto v4)
   Dark theme only. Mobile-first.
   ========================================================================== */

/* ---------- Self-hosted fonts (no external requests) ----------
   Variable woff2 files fetched once from the Google Fonts API at build time
   and served from assets/fonts/. */

/* Sora — latin-ext */
@font-face {
  font-family: 'Sora';
  font-style: normal;
  font-weight: 300 600;
  font-display: swap;
  src: url('fonts/sora-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* Sora — latin */
@font-face {
  font-family: 'Sora';
  font-style: normal;
  font-weight: 300 600;
  font-display: swap;
  src: url('fonts/sora-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* Space Grotesk — latin-ext */
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('fonts/spacegrotesk-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* Space Grotesk — latin */
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('fonts/spacegrotesk-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  /* Backgrounds */
  --bg-map: #0A1016;
  --bg-app: #0C1116;
  --bg-bar: #0E1419;
  --bg-card: #10161B;

  /* Brand / states */
  --teal: #6EC6CB;
  --teal-on: #0C1116;
  --alarm: #8E2318;
  --alarm-fg: #ffffff;
  --warn: #D9A968;
  --warn-on: #12100C;

  /* Text */
  --txt: #E7EDEF;
  --txt-2: #8fa0a6;
  --txt-3: #5c6b71;

  /* Borders / neutral surfaces */
  --line-06: rgba(255, 255, 255, .06);
  --line-08: rgba(255, 255, 255, .08);
  --line-12: rgba(255, 255, 255, .12);

  /* Teal alphas */
  --teal-05: rgba(110, 198, 203, .05);
  --teal-12: rgba(110, 198, 203, .12);
  --teal-14: rgba(110, 198, 203, .14);
  --teal-40: rgba(110, 198, 203, .4);
  --teal-50: rgba(110, 198, 203, .5);

  /* Amber alphas */
  --warn-10: rgba(217, 169, 104, .1);
  --warn-22: rgba(217, 169, 104, .22);
  --warn-45: rgba(217, 169, 104, .45);

  /* Type */
  --ui: 'Space Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --wordmark: 'Sora', var(--ui);
  --mono: ui-monospace, 'SF Mono', 'Cascadia Mono', Menlo, Consolas, monospace;

  /* Radii */
  --r-chip: 7px;
  --r-band: 10px;
  --r-card: 13px;
  --r-btn: 15px;
  --r-panel: 16px;
}

/* ---------- Reset / base ---------- */

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

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

body {
  margin: 0;
  background: var(--bg-app);
  color: var(--txt);
  font-family: var(--ui);
  font-size: 16px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: var(--teal); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; text-underline-offset: 3px; }

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

h1, h2, h3, p { margin: 0; }

.wrap {
  width: 100%;
  max-width: 1060px;
  margin: 0 auto;
  padding-inline: 20px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: 16px; top: -60px;
  z-index: 100;
  background: var(--teal);
  color: var(--teal-on);
  font: 600 13px var(--ui);
  padding: 10px 14px;
  border-radius: var(--r-band);
  transition: top .2s;
}
.skip-link:focus { top: 12px; text-decoration: none; }

/* Mono technical label */
.mono-label {
  font: 600 11px var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--teal);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12, 17, 22, .82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-06);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 64px;
}

.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand img { height: 60px; width: auto; }

.main-nav { margin-left: auto; }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.main-nav a {
  display: inline-block;
  padding: 8px 11px;
  border-radius: 9px;
  color: var(--txt-2);
  font: 500 13.5px var(--ui);
}
.main-nav a:hover, .main-nav a:focus-visible {
  color: var(--txt);
  background: var(--line-06);
  text-decoration: none;
}

/* Language switch */
.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line-12);
  border-radius: 9px;
  overflow: hidden;
  flex-shrink: 0;
}
.lang-switch a, .lang-switch span {
  font: 600 11px var(--mono);
  letter-spacing: .08em;
  padding: 6px 10px;
  color: var(--txt-2);
}
.lang-switch a:hover, .lang-switch a:focus-visible {
  color: var(--txt);
  text-decoration: none;
  background: var(--line-06);
}
.lang-switch [aria-current="true"] {
  background: var(--teal);
  color: var(--teal-on);
}

/* Header language dropdown (native select, tokens-styled).
   The footer keeps crawlable <a> links as the SEO/no-JS inter-language mesh. */
.lang-select {
  appearance: none;
  -webkit-appearance: none;
  flex-shrink: 0;
  background-color: var(--bg-card);
  border: 1px solid var(--line-12);
  border-radius: 9px;
  color: var(--txt);
  font: 600 11px var(--mono);
  letter-spacing: .08em;
  padding: 9px 28px 9px 12px;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 6' fill='none' stroke='%238fa0a6' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 1l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 10px 6px;
}
.lang-select:hover { border-color: var(--teal-40); }
.lang-select:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}
.lang-select option {
  background: var(--bg-card);
  color: var(--txt);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-shrink: 0;
  margin-left: auto;
  background: none;
  border: 1px solid var(--line-12);
  border-radius: 9px;
  padding: 8px 10px;
  color: var(--txt);
  cursor: pointer;
}
.nav-toggle svg { width: 18px; height: 18px; stroke: currentColor; }

/* Compact header on narrow screens (enlarged logo); the header language
   dropdown made the old 5-pill shrink rule obsolete. */
@media (max-width: 720px) {
  .brand img { height: 48px; }
}

@media (max-width: 480px) {
  .header-inner { gap: 10px; }
  .brand img { height: 40px; }
}

@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 100%;
    background: var(--bg-bar);
    border-bottom: 1px solid var(--line-08);
    padding: 8px 20px 14px;
    margin-left: 0;
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .main-nav a { display: block; padding: 11px 10px; font-size: 15px; }
}

/* ---------- Hero ---------- */

.hero { padding: 56px 0 64px; position: relative; }

.hero-grid {
  display: grid;
  gap: 44px;
  align-items: center;
}
@media (min-width: 880px) {
  .hero { padding: 88px 0 96px; }
  .hero-grid { grid-template-columns: 1.05fr .95fr; gap: 56px; }
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 600 10.5px var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-12);
  border: 1px solid var(--teal-40);
  border-radius: var(--r-chip);
  padding: 5px 10px;
  margin-bottom: 22px;
}

.hero h1 {
  font: 700 clamp(34px, 5.4vw, 54px)/1.08 var(--ui);
  letter-spacing: -.015em;
  margin-bottom: 18px;
}
.hero h1 .accent { color: var(--teal); }

.hero-sub {
  font: 400 16.5px/1.55 var(--ui);
  color: var(--txt-2);
  max-width: 46ch;
  margin-bottom: 30px;
}
.hero-sub strong { color: var(--txt); font-weight: 600; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

/* Store badges (sober placeholders) */
.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  background: var(--bg-card);
  border: 1px solid var(--line-12);
  border-radius: var(--r-card);
  padding: 9px 18px 9px 14px;
  min-height: 54px;
  color: var(--txt);
  transition: border-color .2s, transform .2s;
}
.store-badge:hover, .store-badge:focus-visible {
  text-decoration: none;
  border-color: var(--teal-50);
  transform: translateY(-1px);
}
.store-badge svg { width: 24px; height: 24px; flex-shrink: 0; }
.store-badge .badge-text { display: flex; flex-direction: column; line-height: 1.15; }
.store-badge .badge-text small {
  font: 500 10px var(--ui);
  letter-spacing: .04em;
  color: var(--txt-2);
  text-transform: uppercase;
}
.store-badge .badge-text strong { font: 600 16px var(--ui); }

.webapp-link {
  font: 500 14px var(--ui);
  color: var(--teal);
  padding: 8px 4px;
}

.hero-note {
  margin-top: 22px;
  font: 400 12.5px var(--ui);
  color: var(--txt-3);
}

/* ---------- Instrument card (hero visual) ---------- */

.instrument-card {
  background: var(--bg-map);
  border: 1px solid var(--line-06);
  border-radius: var(--r-panel);
  padding: 14px 14px 12px;
  max-width: 420px;
  margin-inline: auto;
  width: 100%;
  box-shadow: 0 8px 30px rgba(0, 0, 0, .5);
}

.instr-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 2px 2px 10px;
}
.instr-place {
  font: 600 10px var(--mono);
  letter-spacing: .1em;
  color: var(--txt-3);
  text-transform: uppercase;
}
.badge-armed {
  font: 700 10px var(--mono);
  letter-spacing: .1em;
  color: var(--teal-on);
  background: var(--teal);
  border-radius: 6px;
  padding: 4px 9px;
}

.chip-row { display: flex; gap: 6px; padding-bottom: 10px; }
.chip {
  flex: 1;
  text-align: center;
  font: 600 10px var(--mono);
  letter-spacing: .04em;
  padding: 5px 0;
  border-radius: var(--r-chip);
  background: var(--teal-12);
  color: var(--teal);
}
.chip.batt { flex: 1.15; }

.instr-scene { position: relative; }
.instr-scene svg { width: 100%; height: auto; }

.instr-foot {
  display: flex;
  justify-content: space-between;
  padding: 10px 2px 2px;
  font: 600 10px var(--mono);
  letter-spacing: .1em;
  color: var(--txt-3);
  text-transform: uppercase;
}
.instr-foot .val { color: var(--teal); }

/* Pulse of the anchor circle */
@keyframes az-pulse {
  0%   { transform: scale(.55); opacity: .55; }
  70%  { opacity: .12; }
  100% { transform: scale(1.04); opacity: 0; }
}
.pulse-ring {
  transform-origin: 210px 200px;
  transform-box: view-box;
  animation: az-pulse 3.4s ease-out infinite;
}
.pulse-ring.delayed { animation-delay: 1.7s; }

@keyframes az-blink { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }

/* ---------- Sections ---------- */

.section { padding: 72px 0; }
.section + .section { border-top: 1px solid var(--line-06); }
@media (min-width: 880px) { .section { padding: 96px 0; } }

.section-head { max-width: 620px; margin-bottom: 44px; }
.section-head .mono-label { display: block; margin-bottom: 12px; }
.section-head h2 {
  font: 700 clamp(26px, 3.6vw, 36px)/1.15 var(--ui);
  letter-spacing: -.01em;
  margin-bottom: 14px;
}
.section-head p { color: var(--txt-2); font-size: 15.5px; }

/* Cards grid */
.card-grid { display: grid; gap: 14px; }
@media (min-width: 680px) { .card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 680px) { .card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); } }

.card {
  background: var(--bg-card);
  border: 1px solid var(--line-08);
  border-radius: var(--r-card);
  padding: 22px 20px;
}
.card h3 {
  font: 600 16.5px/1.3 var(--ui);
  margin: 14px 0 8px;
}
.card p { font: 400 13.5px/1.5 var(--ui); color: var(--txt-2); }

.card .icon {
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  background: var(--teal-12);
  border: 1px solid var(--teal-40);
  border-radius: var(--r-band);
  color: var(--teal);
}
.card .icon svg { width: 26px; height: 26px; }

.step-num {
  font: 700 11px var(--mono);
  letter-spacing: .12em;
  color: var(--teal);
  display: block;
  margin-bottom: 10px;
}

/* Amber (system-health) variant */
.card.warn-card .icon {
  background: var(--warn-10);
  border-color: var(--warn-45);
  color: var(--warn);
}

/* Inline banner (like the app's alert bands) */
.band {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border-radius: var(--r-band);
  padding: 13px 16px;
  font: 400 13.5px/1.5 var(--ui);
}
.band svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 1px; }
.band strong { font-weight: 600; }
.band.teal {
  background: var(--teal-14);
  border: 1px solid var(--teal-40);
  color: var(--txt);
}
.band.teal svg { color: var(--teal); }
.band.warn {
  background: var(--warn-10);
  border: 1px solid var(--warn-45);
  color: var(--warn);
}

/* ---------- How it works ---------- */

.how-illustration {
  margin-top: 40px;
  background: var(--bg-map);
  border: 1px solid var(--line-06);
  border-radius: var(--r-panel);
  padding: 18px;
}
.how-illustration figcaption {
  margin-top: 12px;
  text-align: center;
  font: 600 10px var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--txt-3);
}
.how-illustration svg { width: 100%; height: auto; }

/* ---------- Fail-safe ---------- */

.failsafe-lead {
  margin-bottom: 28px;
}

/* ---------- Roles ---------- */

.role-tag {
  display: inline-block;
  font: 600 9.5px var(--mono);
  letter-spacing: .1em;
  border-radius: 6px;
  padding: 4px 9px;
  text-transform: uppercase;
}
.role-tag.teal { background: var(--teal); color: var(--teal-on); }
.role-tag.outline { background: var(--teal-12); color: var(--teal); border: 1px solid var(--teal-40); }
.role-tag.neutral { background: var(--line-12); color: var(--txt); }

.sentinel-card {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--warn-45);
  border-radius: var(--r-card);
  padding: 22px 20px;
}
@media (min-width: 680px) {
  .sentinel-card { flex-direction: row; align-items: flex-start; gap: 20px; }
}
.sentinel-card .icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  background: var(--warn-10);
  border: 1px solid var(--warn-45);
  border-radius: var(--r-band);
  color: var(--warn);
}
.sentinel-card .icon svg { width: 26px; height: 26px; }
.sentinel-card h3 { font: 600 16.5px var(--ui); margin-bottom: 8px; }
.sentinel-card h3 .role-tag { margin-left: 8px; vertical-align: 2px; background: var(--warn-22); color: var(--warn); border: 1px solid var(--warn-45); }
.sentinel-card p { font: 400 13.5px/1.5 var(--ui); color: var(--txt-2); }

/* ---------- Pricing ---------- */

.price-card { text-align: left; }
.price-card .role-tag { margin-bottom: 12px; }
.price-card .amount {
  font: 700 30px var(--mono);
  color: var(--teal);
  letter-spacing: -.01em;
}
.price-card .amount small { font: 600 13px var(--mono); color: var(--txt-2); letter-spacing: 0; }
.price-card h3 { margin-top: 6px; }

.pricing-notes,
.band-grid {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}
@media (min-width: 680px) {
  .pricing-notes, .band-grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line-06);
  background: var(--bg-bar);
  padding: 48px 0 36px;
}

.disclaimer {
  background: var(--bg-card);
  border: 1px solid var(--line-08);
  border-radius: var(--r-card);
  padding: 18px 20px;
  margin-bottom: 32px;
}
.disclaimer h2 {
  font: 600 11px var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--warn);
  margin-bottom: 10px;
}
.disclaimer p { font: 400 12.5px/1.6 var(--ui); color: var(--txt-2); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
}
.footer-bottom .brand img { height: 24px; }
.footer-meta {
  font: 400 12.5px var(--ui);
  color: var(--txt-3);
}
.footer-links {
  display: flex;
  gap: 18px;
  margin-left: auto;
  align-items: center;
}
.footer-links a { font: 500 12.5px var(--ui); color: var(--txt-2); }
.footer-links a:hover { color: var(--txt); }

@media (max-width: 560px) {
  .footer-links { margin-left: 0; width: 100%; flex-wrap: wrap; }
}

/* ---------- Privacy note (footer) & banner ---------- */

.privacy-line {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font: 400 12px/1.55 var(--ui);
  color: var(--txt-2);
  margin: 0 0 28px;
}
.privacy-line svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; color: var(--teal); }

.privacy-banner {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 70;
  margin: 0 auto;
  max-width: 640px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--teal-40);
  border-radius: var(--r-card);
  padding: 12px 14px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, .6);
}
.privacy-banner[hidden] { display: none; }
.privacy-banner { transition: opacity .45s ease; }
.privacy-banner.closing { opacity: 0; pointer-events: none; }
@media (prefers-reduced-motion: reduce) {
  .privacy-banner { transition: none; }
}
.privacy-banner p {
  font: 400 12.5px/1.5 var(--ui);
  color: var(--txt-2);
  flex: 1;
}
.privacy-banner p strong { color: var(--teal); font-weight: 600; }
.privacy-dismiss {
  flex-shrink: 0;
  background: var(--teal);
  color: var(--teal-on);
  border: none;
  border-radius: 9px;
  font: 600 12px var(--ui);
  letter-spacing: .04em;
  padding: 9px 16px;
  cursor: pointer;
}
.privacy-dismiss:hover { filter: brightness(1.08); }

/* ---------- Join (crew invitation) page ---------- */

.join-main {
  max-width: 620px;
  margin: 0 auto;
  padding: 56px 20px 48px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}
.join-main .brand img { height: 44px; width: auto; }

.join-card { padding: 26px 24px; }
.join-card h1 {
  font: 700 clamp(22px, 4.5vw, 28px)/1.2 var(--ui);
  letter-spacing: -.01em;
  margin: 12px 0 10px;
}
.join-sub { font: 400 14.5px/1.55 var(--ui); color: var(--txt-2); }

.token-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-map);
  border: 1px dashed var(--teal-40);
  border-radius: 12px;
  padding: 14px 16px;
  margin-top: 16px;
}
.token-box[hidden] { display: none; }
.token-box code {
  flex: 1;
  font: 700 20px var(--mono);
  letter-spacing: .06em;
  color: var(--teal);
  word-break: break-all;
}
.copy-btn {
  flex-shrink: 0;
  background: var(--teal);
  color: var(--teal-on);
  border: none;
  border-radius: 9px;
  font: 600 12.5px var(--ui);
  letter-spacing: .04em;
  padding: 10px 16px;
  cursor: pointer;
}
.copy-btn:hover { filter: brightness(1.08); }

.join-missing { margin-top: 16px; }
.join-missing[hidden] { display: none; }

.join-stores { margin-top: 22px; }

.join-footer { font: 400 13px var(--ui); }

/* ---------- Scroll reveal ---------- */

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .pulse-ring { animation: none; opacity: 0; }
  .store-badge { transition: none; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}