/* ====================================================================
   Zunto landing page — brand-aligned design system
   Saffron #E8680A · Navy #0a1530 · Teal #2a9d8f
   ==================================================================== */

:root[data-theme='dark'] {
  --z-navy: #060c1c;
  --z-navy-mid: #0f1530;
  --z-saffron: #ff7a1a;
  --z-saffron-deep: #e8680a;
  --z-teal: #2fb3a3;

  --bg: #060c1c;
  --bg-soft: #0c1426;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.18);
  --ink: #f3f6fc;
  --muted: #aab3c5;
  --faint: #7d889c;
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.8);
  color-scheme: dark;
}

:root[data-theme='light'] {
  --z-navy: #0a1530;
  --z-navy-mid: #1a2a52;
  --z-saffron: #e8680a;
  --z-saffron-deep: #b84f00;
  --z-teal: #2a9d8f;

  --bg: #ffffff;
  --bg-soft: #f6f5f4;
  --surface: #ffffff;
  --surface-2: #f6f5f4;
  --border: #e5e3df;
  --border-strong: #c8c4be;
  --ink: #15171c;
  --muted: #5d5b54;
  --faint: #8a8a8a;
  --shadow: 0 20px 50px -28px rgba(13, 17, 23, 0.35);
  color-scheme: light;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { margin: 0; line-height: 1.1; letter-spacing: -0.02em; }

.container {
  width: min(1140px, 100% - 40px);
  margin-inline: auto;
}
.container--narrow { width: min(760px, 100% - 40px); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  z-index: 200;
  background: var(--z-saffron);
  color: #fff;
  padding: 10px 16px;
  border-radius: 10px;
}
.skip-link:focus { left: 12px; }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--z-saffron);
  margin-bottom: 14px;
}

.grad {
  background: linear-gradient(100deg, var(--z-saffron), var(--z-teal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn--primary {
  background: var(--z-saffron);
  color: #fff;
  box-shadow: 0 8px 24px -10px var(--z-saffron);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -10px var(--z-saffron); }

.icon-btn {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.icon-btn:hover { border-color: var(--border-strong); }
.icon-btn .i-sun { display: none; }
:root[data-theme='light'] .icon-btn .i-sun { display: block; }
:root[data-theme='light'] .icon-btn .i-moon { display: none; }

/* ── Store badges ─────────────────────────────────────────── */
.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 11px 18px;
  border-radius: 14px;
  background: #000;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.store-badge:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -16px rgba(0,0,0,0.7); }
.store-badge svg { flex-shrink: 0; }
.store-badge__txt { display: flex; flex-direction: column; line-height: 1.15; text-align: left; }
.store-badge__txt small { font-size: 0.66rem; opacity: 0.85; font-weight: 500; }
.store-badge__txt strong { font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; }
.store-badge--lg { padding: 13px 22px; }
:root[data-theme='light'] .store-badge { border-color: rgba(0,0,0,0.12); }

/* ── Nav ──────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.nav.is-scrolled { border-bottom-color: var(--border); }
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; font-size: 1.2rem; }
.brand__mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--z-saffron), var(--z-teal));
  color: #fff;
  font-size: 0.95rem;
}
.brand__name { letter-spacing: -0.02em; }

.nav__links { display: flex; gap: 28px; }
.nav__links a { color: var(--muted); font-weight: 500; font-size: 0.95rem; transition: color 0.2s ease; }
.nav__links a:hover { color: var(--ink); }

.nav__actions { display: flex; align-items: center; gap: 12px; }

/* ── Hero ─────────────────────────────────────────────────── */
.hero { position: relative; padding: 64px 0 72px; overflow: hidden; }
.hero__glow {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 620px;
  background:
    radial-gradient(closest-side at 30% 35%, rgba(232, 104, 10, 0.28), transparent 70%),
    radial-gradient(closest-side at 72% 20%, rgba(42, 157, 143, 0.24), transparent 70%);
  filter: blur(10px);
  z-index: 0;
}
.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.hero__title { font-size: clamp(2.4rem, 5.2vw, 4rem); font-weight: 800; }
.hero__sub { color: var(--muted); font-size: 1.12rem; max-width: 30em; margin: 20px 0 28px; }
.hero__sub strong { color: var(--ink); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__trust { list-style: none; display: flex; flex-wrap: wrap; gap: 22px; padding: 0; margin: 26px 0 0; color: var(--muted); font-size: 0.92rem; }
.hero__trust li { display: inline-flex; align-items: center; gap: 8px; }
.hero__trust .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--z-teal); }

/* ── Phone mockup ─────────────────────────────────────────── */
.hero__device { display: grid; place-items: center; }
.phone {
  position: relative;
  width: 300px;
  height: 612px;
  background: #05080f;
  border-radius: 44px;
  padding: 11px;
  box-shadow:
    0 0 0 2px rgba(255, 255, 255, 0.06),
    0 40px 80px -30px rgba(0, 0, 0, 0.85),
    0 0 90px -20px rgba(232, 104, 10, 0.35);
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.phone__notch {
  position: absolute;
  top: 18px; left: 50%; transform: translateX(-50%);
  width: 120px; height: 26px; background: #05080f; border-radius: 0 0 16px 16px; z-index: 3;
}
.phone__screen {
  width: 100%; height: 100%;
  border-radius: 34px;
  overflow: hidden;
  background: linear-gradient(180deg, #0a1530, #050a18);
}

.app { display: flex; flex-direction: column; height: 100%; padding: 14px 14px 0; color: #e9eefb; font-size: 12px; }
.app__status { display: flex; justify-content: space-between; font-size: 11px; padding: 6px 4px 12px; color: #aab3c5; font-weight: 600; }
.app__dots { letter-spacing: 2px; font-size: 8px; }
.app__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.app__greet { color: #aab3c5; font-size: 11px; }
.app__title { font-size: 17px; font-weight: 700; letter-spacing: -0.02em; }
.app__avatar { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; background: linear-gradient(135deg, var(--z-saffron), var(--z-teal)); color: #fff; }

.app__cohost { background: linear-gradient(135deg, rgba(232,104,10,0.16), rgba(42,157,143,0.16)); border: 1px solid rgba(255,255,255,0.10); border-radius: 16px; padding: 12px; margin-bottom: 12px; }
.app__cohost-row { display: flex; align-items: center; gap: 7px; margin-bottom: 7px; }
.app__spark { color: var(--z-saffron); }
.app__cohost-row strong { font-size: 12px; }
.app__pill { margin-left: auto; font-size: 9px; background: rgba(255,255,255,0.12); padding: 3px 8px; border-radius: 20px; }
.app__cohost p { margin: 0 0 10px; color: #cfd6e6; font-size: 11.5px; line-height: 1.45; }
.app__cohost-actions { display: flex; gap: 7px; }
.app__chip { font-size: 10px; padding: 5px 10px; border-radius: 9px; border: 1px solid rgba(255,255,255,0.14); }
.app__chip--solid { background: var(--z-saffron); border-color: transparent; color: #fff; font-weight: 600; }

.app__cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.app__card { border-radius: 14px; padding: 11px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); display: flex; flex-direction: column; gap: 4px; }
.app__card-k { font-size: 10px; color: #aab3c5; }
.app__card-v { font-size: 17px; font-weight: 700; }
.app__card-v small { font-size: 11px; color: #8a93a8; font-weight: 500; }
.app__bar { height: 5px; border-radius: 4px; background: rgba(255,255,255,0.10); overflow: hidden; margin-top: 2px; }
.app__bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--z-saffron), var(--z-teal)); }

.app__list { display: flex; flex-direction: column; gap: 8px; }
.app__item { display: flex; align-items: center; gap: 9px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.07); border-radius: 12px; padding: 9px 11px; }
.app__item span:nth-child(2) { flex: 1; }
.app__item b { font-size: 11px; color: var(--z-teal); }
.app__ic { font-size: 14px; }

.app__tabbar { margin-top: auto; display: flex; align-items: center; justify-content: space-around; padding: 12px 4px; font-size: 17px; color: #6b7588; }
.app__tabbar .on { color: var(--z-saffron); }
.app__fab { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(135deg, var(--z-saffron), var(--z-teal)); color: #fff; font-size: 15px; box-shadow: 0 8px 20px -8px var(--z-saffron); }

/* ── Strip ────────────────────────────────────────────────── */
.strip { border-block: 1px solid var(--border); background: var(--bg-soft); }
.strip__inner { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 28px; padding: 22px 0; }
.strip__inner span { color: var(--faint); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; }
.strip__inner b { color: var(--muted); font-weight: 600; font-size: 1rem; }

/* ── Sections ─────────────────────────────────────────────── */
.section { padding: 88px 0; }
.section--alt { background: var(--bg-soft); border-block: 1px solid var(--border); }
.section__head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.section__head h2 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); font-weight: 800; }
.section__head p { color: var(--muted); font-size: 1.08rem; margin: 14px 0 0; }

.grid { display: grid; gap: 20px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 26px;
  transition: transform 0.18s ease, border-color 0.2s ease, box-shadow 0.25s ease;
}
.feature:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.feature__ic {
  width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center;
  font-size: 1.4rem; margin-bottom: 16px;
  background: color-mix(in srgb, var(--c) 16%, transparent);
  color: var(--c);
  border: 1px solid color-mix(in srgb, var(--c) 30%, transparent);
}
.feature h3 { font-size: 1.2rem; margin-bottom: 8px; }
.feature p { color: var(--muted); margin: 0; font-size: 0.97rem; }

/* ── Steps ────────────────────────────────────────────────── */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.step { position: relative; padding: 28px; background: var(--surface); border: 1px solid var(--border); border-radius: 18px; }
.step__n {
  display: grid; place-items: center;
  width: 42px; height: 42px; border-radius: 12px;
  font-weight: 800; font-size: 1.1rem; color: #fff;
  background: linear-gradient(135deg, var(--z-saffron), var(--z-saffron-deep));
  margin-bottom: 16px;
}
.step h3 { font-size: 1.15rem; margin-bottom: 7px; }
.step p { color: var(--muted); margin: 0; font-size: 0.97rem; }

/* ── Spotlight ────────────────────────────────────────────── */
.spotlight__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.spotlight__copy h2 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); font-weight: 800; }
.spotlight__copy > p { color: var(--muted); font-size: 1.08rem; margin: 14px 0 22px; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.checks li { position: relative; padding-left: 32px; color: var(--ink); }
.checks li::before {
  content: '✓'; position: absolute; left: 0; top: 0;
  width: 22px; height: 22px; border-radius: 7px; display: grid; place-items: center;
  font-size: 0.8rem; font-weight: 700; color: #fff;
  background: var(--z-teal);
}

.chat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 22px;
  display: grid;
  gap: 12px;
  box-shadow: var(--shadow);
}
.chat__msg { padding: 12px 15px; border-radius: 16px; font-size: 0.96rem; max-width: 88%; }
.chat__msg--user { justify-self: end; background: var(--z-saffron); color: #fff; border-bottom-right-radius: 5px; }
.chat__msg--ai { justify-self: start; background: var(--surface-2); border: 1px solid var(--border); border-bottom-left-radius: 5px; }
.chat__spark { color: var(--z-saffron); font-weight: 700; margin-right: 4px; }

/* ── CTA ──────────────────────────────────────────────────── */
.cta { padding: 40px 0 96px; }
.cta__inner {
  position: relative;
  text-align: center;
  background: linear-gradient(160deg, var(--z-navy-mid), var(--z-navy));
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 64px 32px;
  overflow: hidden;
}
.cta__glow {
  position: absolute; inset: auto -10% -60% -10%; height: 360px;
  background: radial-gradient(closest-side at 50% 100%, rgba(232,104,10,0.4), transparent 70%);
}
.cta__inner h2 { position: relative; font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 800; color: #fff; }
.cta__inner > p { position: relative; color: #c2cbe0; font-size: 1.1rem; margin: 14px 0 28px; }
.cta__badges { position: relative; display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.cta__note { position: relative; color: #8e98b3; font-size: 0.85rem; margin: 20px 0 0; }

/* ── FAQ ──────────────────────────────────────────────────── */
.faq { display: grid; gap: 12px; }
.faq__item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 4px 20px;
}
.faq__item summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 1.05rem;
  padding: 16px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: '+'; font-size: 1.5rem; color: var(--z-saffron); font-weight: 400;
  transition: transform 0.2s ease;
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p { color: var(--muted); margin: 0 0 18px; }
.faq__item a { color: var(--z-saffron); text-decoration: underline; }

/* ── Footer ───────────────────────────────────────────────── */
.footer { border-top: 1px solid var(--border); background: var(--bg-soft); padding: 56px 0 28px; }
.footer__inner { display: grid; grid-template-columns: 1.4fr 2fr; gap: 40px; }
.footer__brand p { color: var(--muted); margin: 12px 0 0; }
.footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer__cols h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--faint); margin-bottom: 14px; }
.footer__cols a { display: block; color: var(--muted); padding: 5px 0; transition: color 0.2s ease; }
.footer__cols a:hover { color: var(--ink); }
.footer__bar {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border);
  color: var(--faint); font-size: 0.85rem;
}

/* ── Legal / content pages ────────────────────────────────── */
.doc { padding: 56px 0 88px; }
.doc h1 { font-size: clamp(2rem, 4vw, 2.6rem); font-weight: 800; margin-bottom: 8px; }
.doc__meta { color: var(--faint); margin-bottom: 36px; }
.doc h2 { font-size: 1.35rem; margin: 36px 0 12px; }
.doc p, .doc li { color: var(--muted); }
.doc a { color: var(--z-saffron); text-decoration: underline; }
.doc ul { padding-left: 20px; }
.back-link { display: inline-flex; align-items: center; gap: 6px; color: var(--z-saffron); font-weight: 600; margin-bottom: 28px; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 940px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero__copy { order: 1; }
  .hero__device { order: 2; }
  .hero__cta, .hero__trust { justify-content: center; }
  .hero__sub { margin-inline: auto; }
  .spotlight__grid { grid-template-columns: 1fr; gap: 32px; }
  .grid--3 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .grid--3 { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}