/* ------------------------------------------------------------------
   agenticcommerce.com — claim-your-handle landing.
   ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font-sans); color: var(--ink); background: var(--bg);
  -webkit-font-smoothing: antialiased; line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--space-6); }
.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; font-size: 12px; font-weight: 600; }

/* ---------- Nav ---------- */
.nav { position: absolute; top: 0; left: 0; right: 0; z-index: 5; }
.nav__inner { display: flex; align-items: center; justify-content: space-between; padding: var(--space-5) var(--space-6); max-width: var(--maxw); margin: 0 auto; }
.brand { display: flex; align-items: center; gap: var(--space-3); color: #fff; font-weight: 600; }
.brand__logo { width: 32px; height: 32px; border-radius: 27%; background: var(--brand-navy); overflow: hidden; display: grid; place-items: center; box-shadow: 0 1px 3px rgba(0,0,0,0.28), inset 0 0 0 1px rgba(255,255,255,0.06); }
.brand__logo img { width: 92%; height: 92%; display: block; }
.brand__wordmark { font-size: 15px; letter-spacing: -0.01em; }
.brand__wordmark small { display: block; font-size: 11px; font-weight: 500; opacity: 0.6; letter-spacing: 0.06em; text-transform: uppercase; }
.nav__link { color: rgba(255,255,255,0.85); font-size: 14px; font-weight: 500; }
.nav__link:hover { color: #fff; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  padding: 150px 0 var(--space-9);
  background:
    radial-gradient(90% 90% at 8% 0%, #00b4f0 0%, rgba(0,180,240,0) 42%),
    radial-gradient(90% 90% at 100% 60%, #0089c7 0%, rgba(0,137,199,0) 55%),
    linear-gradient(150deg, #063b5c 0%, #04223a 50%, #020822 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(115deg, transparent 42%, rgba(255,255,255,0.05) 50%, transparent 58%);
}
.hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: var(--space-8); align-items: center; }
.hero__eyebrow { color: rgba(255,255,255,0.78); margin: 0 0 var(--space-4); }
.hero__eyebrow b { color: #fff; font-weight: 600; }
.hero h1 { font-size: 52px; line-height: 1.06; letter-spacing: -0.03em; font-weight: 680; margin: 0 0 var(--space-5); }
.hero__sub { font-size: 18px; line-height: 1.55; color: rgba(255,255,255,0.86); margin: 0 0 var(--space-4); max-width: 34ch; }
.hero__micro { font-size: 13px; color: rgba(255,255,255,0.6); margin: var(--space-4) 0 0; }
.hero__micro b { color: rgba(255,255,255,0.9); font-weight: 600; }

/* ---------- Claim card ---------- */
.claim {
  background: #fff; color: var(--ink); border-radius: var(--radius-xl);
  padding: var(--space-6); box-shadow: var(--shadow-xl);
}
.claim__title { font-size: 18px; font-weight: 640; margin: 0 0 var(--space-2); letter-spacing: -0.01em; }
.claim__desc { font-size: 14px; color: var(--ink-secondary); margin: 0 0 var(--space-5); }
.claim__field { margin-bottom: var(--space-3); }
.claim__label { font-size: 13px; font-weight: 600; display: block; margin-bottom: var(--space-2); }
.input-group { display: flex; align-items: center; border: 1px solid var(--border-strong); border-radius: var(--radius); overflow: hidden; transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.input-group:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); }
.input-group__prefix { padding: 0 var(--space-3); height: 46px; display: grid; place-items: center; background: var(--surface-tint); color: var(--ink-tertiary); font-family: var(--font-mono); font-size: 15px; border-right: 1px solid var(--border); }
.input { width: 100%; height: 46px; padding: 0 var(--space-4); font-size: 15px; color: var(--ink); border: none; outline: none; background: #fff; }
.input--bordered { border: 1px solid var(--border-strong); border-radius: var(--radius); transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.input--bordered:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); }
.input-group .input { font-family: var(--font-mono); }
.claim__avail { font-size: 12px; margin: var(--space-2) 0 0; min-height: 16px; }
.claim__avail.ok { color: var(--success); }
.claim__avail.bad { color: var(--danger); }
.btn-primary { width: 100%; height: 48px; border: none; border-radius: var(--radius); background: var(--accent); color: #fff; font-size: 15px; font-weight: 640; box-shadow: var(--shadow-sm); transition: all var(--dur) var(--ease); margin-top: var(--space-2); }
.btn-primary:hover { background: var(--accent-hover); box-shadow: var(--shadow-md); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; }
.claim__fine { font-size: 12px; color: var(--ink-tertiary); text-align: center; margin: var(--space-3) 0 0; }

/* claim success state */
.claim__done { text-align: center; display: none; }
.claim.is-done .claim__form { display: none; }
.claim.is-done .claim__done { display: block; }
.claim__badge { width: 56px; height: 56px; margin: 0 auto var(--space-4); border-radius: var(--radius-pill); background: var(--success-tint); color: var(--success); display: grid; place-items: center; font-size: 26px; }
.claim__handle-big { font-family: var(--font-mono); font-size: 22px; font-weight: 640; color: var(--accent); margin: 0 0 var(--space-2); }
.claim__pos { font-size: 15px; color: var(--ink-secondary); margin: 0 0 var(--space-4); }
.claim__pos b { color: var(--ink); }
.claim__share { display: flex; gap: var(--space-2); }
.btn-ghost { flex: 1; height: 42px; border: 1px solid var(--border-strong); border-radius: var(--radius); background: #fff; color: var(--ink-secondary); font-weight: 600; font-size: 14px; transition: all var(--dur) var(--ease); }
.btn-ghost:hover { border-color: var(--ink-tertiary); color: var(--ink); }

/* ---------- Section scaffolding ---------- */
.section { padding: var(--space-9) 0; }
.section--tint { background: var(--surface-tint); }
.section__head { text-align: center; max-width: 40ch; margin: 0 auto var(--space-8); }
.section__eyebrow { color: var(--accent); margin: 0 0 var(--space-3); }
.section__title { font-size: 34px; line-height: 1.15; letter-spacing: -0.02em; font-weight: 660; margin: 0 0 var(--space-3); }
.section__lede { font-size: 17px; color: var(--ink-secondary); margin: 0; }

/* ---------- Trust cards ---------- */
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.tcard { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-5); box-shadow: var(--shadow-sm); }
.tcard__icon { width: 40px; height: 40px; border-radius: 10px; background: var(--accent-tint); color: var(--accent); display: grid; place-items: center; font-size: 19px; margin-bottom: var(--space-4); }
.tcard__title { font-size: 16px; font-weight: 640; margin: 0 0 var(--space-2); letter-spacing: -0.01em; }
.tcard__body { font-size: 14px; color: var(--ink-secondary); margin: 0; }
.tcard__layer { font-family: var(--font-mono); font-size: 11px; color: var(--ink-tertiary); text-transform: uppercase; letter-spacing: 0.06em; margin: var(--space-3) 0 0; }

/* ---------- Difference / compare ---------- */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); max-width: 880px; margin: 0 auto; }
.col { border-radius: var(--radius-lg); padding: var(--space-6); }
.col--them { background: var(--surface-tint-2); border: 1px solid var(--border); }
.col--us { background: linear-gradient(160deg, #ffffff, #eef8fd); border: 1px solid var(--accent); box-shadow: var(--shadow-md); }
.col__tag { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; margin: 0 0 var(--space-4); }
.col--them .col__tag { color: var(--ink-tertiary); }
.col--us .col__tag { color: var(--accent); }
.col ul { list-style: none; margin: 0; padding: 0; }
.col li { display: flex; gap: var(--space-3); align-items: flex-start; font-size: 14.5px; padding: var(--space-3) 0; border-top: 1px solid var(--border); }
.col li:first-child { border-top: none; }
.col--them li { color: var(--ink-secondary); }
.mark { flex: none; width: 20px; height: 20px; border-radius: var(--radius-pill); display: grid; place-items: center; font-size: 12px; margin-top: 1px; }
.mark--x { background: #fde8ec; color: var(--danger); }
.mark--check { background: var(--success-tint); color: var(--success); }
.compare__line { text-align: center; font-size: 20px; font-weight: 640; letter-spacing: -0.01em; margin: var(--space-7) auto 0; }
.compare__line b { color: var(--accent); }

/* ---------- Category proof ---------- */
.proof { text-align: center; }
.proof__label { color: var(--ink-tertiary); margin: 0 0 var(--space-5); }
.proof__logos { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-3) var(--space-6); align-items: center; }
.proof__logo { font-size: 20px; font-weight: 680; letter-spacing: -0.02em; color: var(--ink); opacity: 0.62; }
.proof__stat { margin: var(--space-7) 0 0; }
.proof__stat b { font-size: 40px; font-weight: 680; letter-spacing: -0.02em; color: var(--ink); display: block; }
.proof__stat span { font-size: 14px; color: var(--ink-tertiary); }
.proof__note { font-size: 12px; color: var(--ink-tertiary); margin: var(--space-4) 0 0; }

/* ---------- Final CTA ---------- */
.cta { text-align: center; color: #fff; position: relative; overflow: hidden;
  background:
    radial-gradient(80% 120% at 100% 0%, #00a6e8 0%, rgba(0,166,232,0) 45%),
    linear-gradient(150deg, #063b5c 0%, #020822 100%);
}
.cta .section__title { color: #fff; }
.cta__sub { font-size: 17px; color: rgba(255,255,255,0.82); max-width: 40ch; margin: 0 auto var(--space-6); }
.cta__widget { max-width: 460px; margin: 0 auto; }

/* ---------- Footer ---------- */
.foot { padding: var(--space-6) 0; background: var(--brand-navy); }
.foot__inner { display: flex; justify-content: space-between; align-items: center; color: rgba(255,255,255,0.62); font-size: 13px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .hero { padding: 108px 0 var(--space-8); }
  .hero h1 { font-size: 38px; }
  .trust-grid { grid-template-columns: 1fr; }
  .compare { grid-template-columns: 1fr; }
  .section { padding: var(--space-8) 0; }
  /* keep "Sign in" reachable on mobile; only drop the anchor link */
  .nav__links a[href="#why"] { display: none; }
}

@media (max-width: 560px) {
  .nav__inner { padding: var(--space-4); }
  .wrap { padding: 0 var(--space-4); }
  .hero { padding: 92px 0 var(--space-7); }
  .hero h1 { font-size: 33px; }
  .hero__sub { font-size: 16px; }
  .brand__wordmark small { display: none; }
  /* 16px prevents iOS from auto-zooming the claim field on focus */
  .input { font-size: 16px; }
  .foot__inner { flex-direction: column; gap: var(--space-2); text-align: center; }
}

/* ---------- Two ways to use it ---------- */
.section--modes { padding: var(--space-7) 0 0; }
.modes { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); max-width: 880px; margin: 0 auto; }
.mode { display: block; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-5); box-shadow: var(--shadow-sm); transition: all var(--dur) var(--ease); }
.mode:hover { box-shadow: var(--shadow-md); border-color: var(--accent); transform: translateY(-2px); }
.mode__icon { font-size: 22px; }
.mode__title { font-size: 17px; font-weight: 640; letter-spacing: -0.01em; margin: var(--space-3) 0 var(--space-2); }
.mode__ex { font-family: var(--font-mono); font-size: 12.5px; color: var(--accent); background: var(--accent-tint); border-radius: var(--radius-sm); padding: var(--space-2) var(--space-3); margin: 0 0 var(--space-3); }
.mode__body { font-size: 14px; color: var(--ink-secondary); margin: 0; }
.section__nqobax { font-size: 13px; color: var(--ink-tertiary); margin: var(--space-3) 0 0; }
.section__nqobax b { color: var(--ink-secondary); }
@media (max-width: 900px) { .modes { grid-template-columns: 1fr; } }