/* Spectalo — landing page. Dark brand (blue + amber). */
:root {
  --bg-0: #070a11;
  --bg-1: #0c111b;
  --bg-2: #1b2434;
  --ink: #eaf0f7;
  --ink-dim: #9fb0c3;
  --ink-faint: #6b7c90;
  --blue: #3fa0ff;
  --blue-deep: #1a7bf0;
  --amber: #f5c400;
  --amber-light: #ffe873;
  --card: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.09);
  --maxw: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 800px at 50% -10%, var(--bg-2) 0%, var(--bg-1) 45%, var(--bg-0) 100%);
  background-attachment: fixed;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: "Bricolage Grotesque", "Inter", sans-serif;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

a { color: inherit; text-decoration: none; }
.amber { color: var(--amber); }

/* ---- NAV ---- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 24px;
  max-width: var(--maxw); margin: 0 auto;
  padding: 16px 24px;
  backdrop-filter: blur(12px);
}
.nav::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: rgba(7, 10, 17, 0.55);
  border-bottom: 1px solid var(--card-border);
}
.nav__brand img { display: block; }
.nav__links { display: flex; gap: 22px; margin-left: auto; }
.nav__links a { color: var(--ink-dim); font-size: 14px; font-weight: 500; transition: color .15s; }
.nav__links a:hover { color: var(--ink); }
.nav__lang { display: flex; gap: 12px; font-size: 13px; font-weight: 500; margin-left: auto; }
.nav__links + .nav__lang { margin-left: 0; }
.nav__lang a { color: var(--ink-faint); transition: color .15s; }
.nav__lang a:hover { color: var(--ink); }
.nav__lang a.is-active { color: var(--ink); font-weight: 700; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-block; border-radius: 999px;
  font-weight: 600; font-size: 15px; cursor: pointer;
  padding: 12px 22px; transition: transform .12s, box-shadow .2s, background .2s;
}
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: linear-gradient(180deg, var(--blue) 0%, var(--blue-deep) 100%);
  color: #fff; box-shadow: 0 8px 24px rgba(26, 123, 240, 0.35);
}
.btn--primary:hover { box-shadow: 0 10px 30px rgba(26, 123, 240, 0.5); }
.btn--ghost { border: 1px solid var(--card-border); color: var(--ink); }
.btn--ghost:hover { background: var(--card); }
.btn--small { padding: 9px 16px; font-size: 14px; background: var(--card); border: 1px solid var(--card-border); }
.btn--small:hover { background: rgba(255,255,255,0.08); }

/* ---- APPLE INTELLIGENCE BADGE ---- */
.ai-badge {
  display: inline-flex; align-items: center; gap: 8px;
  margin-bottom: 20px;
  padding: 8px 17px; border-radius: 999px;
  font-size: 14px; font-weight: 600; color: var(--ink); white-space: nowrap;
  background:
    linear-gradient(var(--bg-1), var(--bg-1)) padding-box,
    linear-gradient(110deg, #ff5e8a, #f5c400 40%, #3fa0ff 72%, #9b5cff) border-box;
  border: 1.5px solid transparent;
  box-shadow: 0 6px 22px rgba(63, 160, 255, 0.16);
}
.ai-badge__spark {
  background: linear-gradient(110deg, #ff5e8a, #f5c400, #3fa0ff, #9b5cff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-size: 15px;
}
.ai-badge--sm { margin: 8px 0 2px; padding: 6px 14px; font-size: 13px; }

/* ---- HERO ---- */
.hero { max-width: 820px; margin: 0 auto; padding: 72px 24px 40px; text-align: center; }
.hero__icon {
  border-radius: 28px; margin-bottom: 26px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.06);
}
.hero__eyebrow { color: var(--ink-faint); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 14px; }
.hero__title { font-size: clamp(38px, 7vw, 68px); margin-bottom: 22px; }
.hero__sub { font-size: clamp(16px, 2.4vw, 20px); color: var(--ink-dim); max-width: 620px; margin: 0 auto 30px; }
.hero__sub strong { color: var(--ink); font-weight: 600; }
.hero__cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero__note { color: var(--ink-faint); font-size: 13px; margin-top: 20px; }

/* ---- HERO SCREENSHOT ---- */
.hero-shot { max-width: 980px; margin: 36px auto 0; padding: 0 24px; }
.frame {
  border-radius: 16px; overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: 0 30px 80px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.04);
}
.frame img { display: block; width: 100%; max-width: 100%; height: auto; }

/* ---- FEATURES ---- */
.feature {
  max-width: var(--maxw); margin: 0 auto; padding: 70px 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
}
.feature > * { min-width: 0; } /* prevent grid track blowout from image intrinsic width */
.feature--reverse .feature__text { order: 2; }
.feature__text h2 { font-size: clamp(28px, 4vw, 40px); margin: 14px 0 18px; }
.feature__text p { color: var(--ink-dim); font-size: 17px; max-width: 460px; }
.kicker { font-size: 13px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.kicker--blue { color: var(--blue); }
.kicker--amber { color: var(--amber); }

.checks { list-style: none; margin-top: 22px; display: grid; gap: 10px; }
.checks li { position: relative; padding-left: 28px; color: var(--ink); font-size: 15px; }
.checks li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--amber); font-weight: 800;
}

/* Feature art = real screenshots; brand gradient is the matte / fallback */
.feature__art {
  margin: 0; border-radius: 22px; border: 1px solid var(--card-border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05), 0 24px 60px rgba(0,0,0,.4);
  position: relative; overflow: hidden;
}
.feature__art img { display: block; width: 100%; max-width: 100%; height: auto; min-width: 0; }
/* portrait / modal shots float centered on a brand matte */
.feature__art--device {
  padding: 28px;
  display: flex; align-items: center; justify-content: center;
}
.feature__art--device img {
  width: auto; max-width: 100%; max-height: 440px; min-width: 0;
  border-radius: 14px; box-shadow: 0 18px 44px rgba(0,0,0,.5);
}
/* graceful fallback to the brand gradient if a screenshot is missing */
.feature__art--empty { min-height: 320px; }
.art--blue { background: linear-gradient(150deg, #5ab6ff 0%, #1a7bf0 50%, #0a3a8c 100%); }
.art--amber { background: linear-gradient(150deg, #ffe873 0%, #f5c400 45%, #b07e00 100%); }
.art--learn { background: linear-gradient(150deg, #2a3650 0%, #131a29 100%); border-color: rgba(63,160,255,.3); }
.art--sources { background: linear-gradient(150deg, #20304a 0%, #0e1626 100%); border-color: rgba(245,196,0,.25); }

/* ---- MOBILE SHOWCASE ---- */
.mobile { max-width: var(--maxw); margin: 0 auto; padding: 56px 24px 36px; text-align: center; }
.mobile__title { font-size: clamp(28px, 4vw, 40px); margin: 14px 0 36px; }
.mobile__row { display: flex; gap: 22px; justify-content: center; align-items: flex-start; flex-wrap: wrap; }
.phone {
  width: 240px; max-width: 72vw;
  border-radius: 32px; padding: 6px;
  background: #0a0e16; border: 1px solid var(--card-border);
  box-shadow: 0 24px 60px rgba(0,0,0,.5);
}
.phone img { display: block; width: 100%; border-radius: 26px; }

/* ---- SMALL GRID ---- */
.grid {
  max-width: 760px; margin: 0 auto; padding: 30px 24px 70px;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px;
}
.grid__item {
  background: var(--card); border: 1px solid var(--card-border); border-radius: 18px; padding: 26px;
}
.grid__item h3 { font-size: 19px; margin-bottom: 8px; }
.grid__item p { color: var(--ink-dim); font-size: 15px; }

/* ---- PLATFORMS ---- */
.platforms { text-align: center; padding: 60px 24px; }
.platforms h2 { font-size: clamp(28px, 4vw, 40px); }
.platforms__sub { color: var(--ink-dim); margin: 12px 0 26px; }
.platforms__row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.chip {
  padding: 10px 22px; border-radius: 999px; border: 1px solid var(--card-border);
  background: var(--card); font-weight: 600; color: var(--ink);
}

/* ---- DOWNLOAD ---- */
.download {
  max-width: 720px; margin: 30px auto; padding: 60px 24px; text-align: center;
  background: var(--card); border: 1px solid var(--card-border); border-radius: 28px;
}
.download h2 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 12px; }
.download p { color: var(--ink-dim); }
.download__btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 26px 0 16px; }
.download__note { font-size: 13px; color: var(--ink-faint); }

/* ---- FOOTER ---- */
.footer { max-width: var(--maxw); margin: 0 auto; padding: 50px 24px 70px; text-align: center; border-top: 1px solid var(--card-border); }
.footer__mark { opacity: .9; margin-bottom: 14px; }
.footer__desc { color: var(--ink-dim); font-size: 15px; max-width: 440px; margin: 0 auto 14px; }
.footer__meta { color: var(--ink-faint); font-size: 14px; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.footer__meta a { color: var(--blue); }
.footer__lang { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; font-size: 13px; }
.footer__lang a { color: var(--ink-faint); transition: color .15s; }
.footer__lang a:hover { color: var(--ink); }
.footer__lang a.is-active { color: var(--ink); font-weight: 600; }

/* ---- RESPONSIVE ---- */
@media (max-width: 820px) {
  .nav { gap: 14px; }
  .nav__links { display: none; }
  .nav__lang { gap: 9px; font-size: 12px; }
  .feature { grid-template-columns: 1fr; gap: 26px; padding: 50px 24px; }
  .feature--reverse .feature__text { order: 0; }
  .feature__art { height: auto; order: -1; }
  .grid { grid-template-columns: 1fr; }
}