/* ============================================================
   ScreenMind — shared stylesheet
   Signature: "detected token" — mono pills with a mint scan-highlight,
   echoing the app's real detected-details UI. Brand gradient violet→blue.
   Dark + light via prefers-color-scheme and a manual [data-theme] override.
   Zero dependencies.
   ============================================================ */

:root {
  /* Brand — constant across themes */
  --violet: #7A66F2;
  --blue:   #5AABFC;
  --mint:   #43D9C0;               /* "found / detected" highlight */
  --grad:   linear-gradient(135deg, var(--violet), var(--blue));

  /* Dark (default) */
  --bg:        #0B0D14;
  --bg-soft:   #0F111A;
  --surface:   #14161F;
  --surface-2: #1B1E2A;
  --line:      rgba(244,245,250,0.09);
  --text:      #F4F5FA;
  --text-2:    rgba(244,245,250,0.64);
  --text-3:    rgba(244,245,250,0.40);
  --shadow:    0 24px 60px -20px rgba(0,0,0,0.6);

  --maxw: 1080px;
  --radius: 20px;
  --radius-s: 12px;

  --font: -apple-system, "SF Pro Display", "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg:        #F5F6FB;
    --bg-soft:   #EFF1F7;
    --surface:   #FFFFFF;
    --surface-2: #EAECF4;
    --line:      rgba(13,14,20,0.10);
    --text:      #0C0D14;
    --text-2:    rgba(12,13,20,0.62);
    --text-3:    rgba(12,13,20,0.42);
    --shadow:    0 24px 60px -24px rgba(20,24,60,0.20);
  }
}

/* Manual override (theme toggle) */
:root[data-theme="light"] {
  --bg:#F5F6FB; --bg-soft:#EFF1F7; --surface:#FFFFFF; --surface-2:#EAECF4;
  --line:rgba(13,14,20,0.10); --text:#0C0D14; --text-2:rgba(12,13,20,0.62);
  --text-3:rgba(12,13,20,0.42); --shadow:0 24px 60px -24px rgba(20,24,60,0.20);
}
:root[data-theme="dark"] {
  --bg:#0B0D14; --bg-soft:#0F111A; --surface:#14161F; --surface-2:#1B1E2A;
  --line:rgba(244,245,250,0.09); --text:#F4F5FA; --text-2:rgba(244,245,250,0.64);
  --text-3:rgba(244,245,250,0.40); --shadow:0 24px 60px -20px rgba(0,0,0,0.6);
}

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

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

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

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

a { color: inherit; text-decoration: none; }

/* ---------- Ambient background glow ---------- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(60% 50% at 78% -5%, rgba(122,102,242,0.18), transparent 60%),
    radial-gradient(50% 40% at 0% 8%, rgba(90,171,252,0.14), transparent 55%);
  pointer-events: none;
  z-index: 0;
}
main, header, footer { position: relative; z-index: 1; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 62px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.02em; }
.brand .logo {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--grad);
  display: grid; place-items: center;
  box-shadow: 0 6px 16px -4px rgba(122,102,242,0.6);
}
.brand .logo svg { width: 17px; height: 17px; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--text-2); font-size: 15px; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-links .nav-cta {
  color: #fff; background: var(--grad); padding: 8px 16px; border-radius: 100px;
  font-weight: 600; box-shadow: 0 8px 20px -6px rgba(122,102,242,0.5);
}
.nav-links .nav-cta:hover { color:#fff; filter: brightness(1.05); }
.theme-toggle {
  background: var(--surface-2); border: 1px solid var(--line); color: var(--text-2);
  width: 34px; height: 34px; border-radius: 10px; cursor: pointer;
  display: grid; place-items: center; transition: color .2s, background .2s;
}
.theme-toggle:hover { color: var(--text); }
.theme-toggle svg { width: 17px; height: 17px; }
.nav-mobile-hide { }
@media (max-width: 640px) {
  .nav-mobile-hide { display: none; }
}

/* ---------- Eyebrow (detected-token motif) ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12px; font-weight: 500;
  color: var(--mint); text-transform: uppercase; letter-spacing: 0.14em;
  padding: 6px 12px; border-radius: 100px;
  background: color-mix(in srgb, var(--mint) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--mint) 26%, transparent);
}

/* ---------- Hero ---------- */
.hero { padding: 92px 0 72px; }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center;
}
.hero h1 {
  font-size: clamp(2.5rem, 5.4vw, 4.1rem); line-height: 1.02;
  letter-spacing: -0.035em; font-weight: 700; margin: 22px 0 20px;
}
.hero h1 .accent {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--text-2); max-width: 30ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.trust { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 30px; color: var(--text-3); font-size: 13.5px; }
.trust span { display: inline-flex; align-items: center; gap: 7px; }
.trust svg { width: 15px; height: 15px; color: var(--mint); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 22px; border-radius: 100px; font-weight: 600; font-size: 15px;
  cursor: pointer; border: 1px solid transparent; transition: transform .18s, filter .18s, background .2s;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 14px 30px -10px rgba(122,102,242,0.55); }
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.05); color:#fff; }
.btn-ghost { background: var(--surface); border-color: var(--line); color: var(--text); }
.btn-ghost:hover { transform: translateY(-2px); background: var(--surface-2); }

/* ---------- Hero device mock (the signature) ---------- */
.device {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 30px;
  padding: 18px 16px 22px;
  box-shadow: var(--shadow);
}
.device .status {
  display: flex; justify-content: space-between; align-items: center;
  color: var(--text-3); font-size: 12px; padding: 0 6px 12px;
}
.device .searchbar {
  display: flex; align-items: center; gap: 9px;
  background: var(--surface-2); border-radius: 12px; padding: 11px 13px; margin-bottom: 14px;
  color: var(--text-2); font-size: 14px;
}
.device .searchbar svg { width: 15px; height: 15px; color: var(--text-3); }
.device .searchbar .cursor { color: var(--text); }
.shot {
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 14px; padding: 15px; position: relative; overflow: hidden;
}
.shot .shot-label { font-size: 11px; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 10px; }
.shot .lines { display: grid; gap: 8px; margin-bottom: 14px; }
.shot .lines i { display: block; height: 8px; border-radius: 4px; background: var(--surface-2); }
.shot .lines i:nth-child(1){ width: 82%; }
.shot .lines i:nth-child(2){ width: 64%; }
.shot .lines i:nth-child(3){ width: 73%; }

/* detected tokens */
.tokens { display: flex; flex-wrap: wrap; gap: 8px; }
.token {
  font-family: var(--mono); font-size: 12.5px; font-weight: 500;
  padding: 6px 10px; border-radius: 8px; color: var(--text);
  background: color-mix(in srgb, var(--mint) 13%, transparent);
  border: 1px solid color-mix(in srgb, var(--mint) 30%, transparent);
  position: relative;
}
.token small { color: var(--text-3); font-size: 10px; display: block; letter-spacing: 0.06em; }

/* scan line sweeping the shot */
.scan {
  position: absolute; left: 0; right: 0; top: 0; height: 42%;
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--mint) 16%, transparent));
  border-bottom: 1.5px solid var(--mint);
  animation: sweep 3.6s cubic-bezier(.6,0,.4,1) infinite;
  pointer-events: none;
}
@keyframes sweep {
  0%   { transform: translateY(-45%); opacity: 0; }
  18%  { opacity: 1; }
  70%  { opacity: 1; }
  100% { transform: translateY(240%); opacity: 0; }
}

/* ---------- Sections ---------- */
section { padding: 74px 0; }
.section-head { max-width: 46ch; margin-bottom: 44px; }
.section-head h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem); letter-spacing: -0.03em; line-height: 1.1;
  font-weight: 700; margin: 16px 0 14px;
}
.section-head p { color: var(--text-2); font-size: 1.08rem; }

/* Feature grid */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 24px;
  transition: transform .2s, border-color .2s;
}
.card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--violet) 40%, var(--line)); }
.card .ic {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--violet) 16%, transparent);
  color: var(--blue); margin-bottom: 16px;
}
.card .ic svg { width: 21px; height: 21px; }
.card h3 { font-size: 1.12rem; letter-spacing: -0.01em; margin-bottom: 8px; }
.card p { color: var(--text-2); font-size: 0.97rem; }
.card.wide { grid-column: span 3; display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; }
@media (max-width: 860px) {
  .features { grid-template-columns: 1fr; }
  .card.wide { grid-template-columns: 1fr; }
}

/* ---------- Privacy band ---------- */
.band {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 52px 44px;
  position: relative; overflow: hidden;
}
.band::after {
  content:""; position:absolute; inset:0;
  background: radial-gradient(50% 120% at 100% 0%, rgba(67,217,192,0.12), transparent 60%);
  pointer-events:none;
}
.band h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); letter-spacing:-0.03em; margin: 14px 0 16px; max-width: 20ch; }
.band p { color: var(--text-2); max-width: 54ch; font-size: 1.06rem; }
.band .points { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.band .points span {
  display:inline-flex; align-items:center; gap:8px;
  font-size: 14px; color: var(--text); font-family: var(--mono);
  padding: 8px 13px; border-radius: 100px; background: var(--bg-soft); border: 1px solid var(--line);
}
.band .points svg { width:15px; height:15px; color: var(--mint); }

/* ---------- FAQ (native accordion) ---------- */
.faq { display: grid; gap: 12px; max-width: 760px; }
.faq details {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-s);
  padding: 4px 20px; transition: border-color .2s;
}
.faq details[open] { border-color: color-mix(in srgb, var(--violet) 34%, var(--line)); }
.faq summary {
  cursor: pointer; list-style: none; padding: 16px 0; font-weight: 600; font-size: 1.02rem;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-family: var(--mono); font-size: 1.3rem; color: var(--text-3);
  transition: transform .2s;
}
.faq details[open] summary::after { transform: rotate(45deg); color: var(--mint); }
.faq details p { color: var(--text-2); padding: 0 0 18px; font-size: 0.98rem; }

/* ---------- CTA closer ---------- */
.closer { text-align: center; }
.closer h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); letter-spacing: -0.035em; margin-bottom: 16px; }
.closer p { color: var(--text-2); font-size: 1.1rem; margin-bottom: 30px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 46px 0 60px; color: var(--text-3); }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 30px; }
.footer-grid .col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-3); margin-bottom: 14px; }
.footer-grid .col a { display: block; color: var(--text-2); font-size: 14.5px; margin-bottom: 9px; transition: color .2s; }
.footer-grid .col a:hover { color: var(--text); }
.footer-bottom { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); display:flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; }

/* ---------- Legal / content pages ---------- */
.doc { padding: 60px 0 40px; max-width: 760px; }
.doc .eyebrow { margin-bottom: 18px; }
.doc h1 { font-size: clamp(2rem, 4vw, 2.8rem); letter-spacing: -0.03em; margin-bottom: 10px; }
.doc .updated { color: var(--text-3); font-size: 14px; margin-bottom: 40px; font-family: var(--mono); }
.doc h2 { font-size: 1.4rem; letter-spacing: -0.02em; margin: 38px 0 12px; }
.doc h3 { font-size: 1.1rem; margin: 24px 0 8px; }
.doc p, .doc li { color: var(--text-2); margin-bottom: 12px; }
.doc ul, .doc ol { padding-left: 22px; margin-bottom: 16px; }
.doc li { margin-bottom: 8px; }
.doc strong { color: var(--text); }
.doc a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.callout {
  background: var(--surface); border: 1px solid var(--line);
  border-left: 3px solid var(--mint); border-radius: 12px;
  padding: 18px 20px; margin: 22px 0;
}
.callout p { margin: 0; color: var(--text); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 760px){ .contact-grid { grid-template-columns: 1fr; } }
.contact-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px;
}
.contact-card h3 { margin-bottom: 6px; }
.contact-card p { color: var(--text-2); font-size: 0.96rem; margin-bottom: 12px; }
.contact-card a.mail { font-family: var(--mono); color: var(--blue); font-size: 0.95rem; }
.field { display:block; margin-bottom: 14px; }
.field label { display:block; font-size: 13px; color: var(--text-2); margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%; background: var(--bg-soft); border: 1px solid var(--line); color: var(--text);
  border-radius: 10px; padding: 11px 13px; font-family: var(--font); font-size: 15px;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid color-mix(in srgb, var(--violet) 55%, transparent); outline-offset: 1px; }

/* ---------- Hero responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 60px 0 50px; }
  .hero p.lead { max-width: none; }
  .device { max-width: 420px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto !important; transition: none !important; }
}

/* ---------- Focus visibility ---------- */
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 6px;
}