/* ===== AutoMailSender — landing (Claude Design handoff implementation) ===== */

:root {
  --blue-700:#1B4ED8;
  --blue-600:#2C6BF2;
  --blue-500:#4C8DFF;
  --cyan:#16C0E6;
  --ink:#0B1B3A;
  --bg:#FBFCFE;
  --font-head:'Sora', system-ui, sans-serif;
  --font-body:'Plus Jakarta Sans', system-ui, sans-serif;
  --maxw:1180px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
/* soft brand tint behind the top of the page */
body::before {
  content: ''; position: fixed; inset: 0 0 auto 0; height: 880px; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 60% at 80% 0%, rgba(22,192,230,.10), transparent 60%),
    radial-gradient(70% 70% at 18% -4%, rgba(76,141,255,.16), transparent 60%),
    linear-gradient(180deg, #F2F6FD 0%, var(--bg) 70%);
}
a { color: inherit; text-decoration: none; }
::selection { background: rgba(44,107,242,.18); }
img { display: block; max-width: 100%; }
h1,h2,h3 { margin: 0; }
:focus-visible { outline: 2px solid var(--blue-500); outline-offset: 2px; border-radius: 6px; }

/* ---- icons ---- */
.ic { display: block; color: inherit; }

/* ---- keyframes ---- */
@keyframes ams-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
.ams-float { animation: ams-float 5.2s ease-in-out infinite; }

@keyframes ams-comet {
  0%   { opacity: 0; transform: translate(-26px, 26px) scale(.68) rotate(-3deg); }
  5%   { opacity: 1; }
  29%  { opacity: 0; transform: translate(440px, -380px) scale(1.06) rotate(-3deg); }
  100% { opacity: 0; transform: translate(440px, -380px) scale(1.06) rotate(-3deg); }
}
.comet {
  position: absolute; width: 70px; height: auto; pointer-events: none; z-index: 6;
  animation: ams-comet 5.2s cubic-bezier(.5,0,.2,1) infinite;
}

/* ---- reveal ---- */
.reveal {
  opacity: 0; transform: translateY(22px);
  transition: opacity .76s cubic-bezier(.2,.7,.2,1), transform .76s cubic-bezier(.2,.7,.2,1);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: 52px; padding: 0 22px; border-radius: 13px;
  font-family: var(--font-body); font-weight: 600; font-size: 16px; letter-spacing: -.01em;
  white-space: nowrap; cursor: pointer; border: 1px solid transparent;
  transition: transform .18s cubic-bezier(.2,.7,.2,1), box-shadow .25s, background .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn--lg { height: 58px; padding: 0 28px; font-size: 17px; border-radius: 15px; }
.btn--sm { height: 42px; padding: 0 16px; font-size: 14.5px; border-radius: 11px; }
.btn--block { width: 100%; }
.btn--primary {
  color: #fff;
  background: linear-gradient(180deg, #3D7BF7 0%, #2257E6 100%);
  box-shadow: 0 10px 24px -8px rgba(34,87,230,.55), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn--ghost {
  color: #1B2D54; background: rgba(11,27,58,.04); border: 1px solid rgba(11,27,58,.10);
}
.btn--white {
  color: #1B2D54; background: #fff; border: 1px solid rgba(11,27,58,.08);
  box-shadow: 0 8px 22px -10px rgba(11,27,58,.28);
}
.btn--ondark {
  color: #0B1B3A; background: #fff; box-shadow: 0 12px 30px -10px rgba(0,0,0,.5);
}

/* ===== Wordmark ===== */
.wordmark { display: inline-flex; align-items: center; gap: 11px; }
.wordmark__mark { width: 43.5px; height: 30px; }
.wordmark__text { font-family: var(--font-head); font-weight: 800; font-size: 21px; letter-spacing: -.025em; color: var(--ink); }
.wordmark__text b { font-weight: 600; color: var(--blue-600); }
.wordmark--sm .wordmark__mark { width: 37.7px; height: 26px; }
.wordmark--sm .wordmark__text { font-size: 18px; }

/* ===== Eyebrow ===== */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  font-family: var(--font-body); font-weight: 700; font-size: 13px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--blue-600);
}
.eyebrow::before { content: ''; width: 22px; height: 2px; border-radius: 2px; background: linear-gradient(90deg,#16C0E6,#2C6BF2); }
.eyebrow--center { margin: 0 auto; }
.eyebrow--light { color: #7FE3FF; }

/* ===== App icon ===== */
.appicon { border-radius: 21px; box-shadow: 0 11px 26px -7px rgba(27,78,216,.45); }
.appicon--hero { width: 92px; height: 92px; margin: 0 auto 30px; }
.appicon--cta { width: 84px; height: 84px; border-radius: 19px; }

/* ===== Nav ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: background .3s, box-shadow .3s, border-color .3s;
  background: transparent; border-bottom: 1px solid transparent;
}
.nav.solid {
  background: rgba(251,252,254,.82);
  backdrop-filter: saturate(180%) blur(16px); -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid rgba(11,27,58,.07);
}
.nav__inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 28px; height: 70px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__links a {
  padding: 8px 14px; border-radius: 9px; font-family: var(--font-body); font-weight: 500;
  font-size: 15px; color: #3A4A6B; transition: background .2s, color .2s;
}
.nav__links a:hover { background: rgba(11,27,58,.05); color: var(--ink); }

/* ===== Hero ===== */
.hero { position: relative; text-align: center; padding: 152px 28px 0; }
.hero__inner { max-width: 880px; margin: 0 auto; }
.hero h1 {
  font-family: var(--font-head); font-weight: 800; font-size: clamp(48px, 7vw, 86px);
  line-height: 1.02; letter-spacing: -.035em; color: var(--ink);
}
.grad { background: linear-gradient(105deg,#2C6BF2 0%,#16C0E6 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.hero__sub {
  font-family: var(--font-body); font-size: clamp(18px,1.5vw,21px); line-height: 1.55;
  color: #52617F; max-width: 600px; margin: 24px auto 0; text-wrap: balance;
}
.hero__cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin: 34px 0 22px; }
.hero__trust { display: flex; justify-content: center; }
.hero__shot { position: relative; max-width: 1000px; margin: 64px auto 0; }

/* trust row */
.trust { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 0; font-family: var(--font-body); font-size: 14.5px; font-weight: 500; color: #6B7A99; justify-content: center; }
.trust span.sep { margin: 0 12px; color: #C2CCDE; }

/* ===== MacFrame ===== */
.macframe { position: relative; width: 100%; margin: 0 auto; }
.macframe__glow { position: absolute; inset: -12% -8% -22% -8%; z-index: 0; filter: blur(10px);
  background: radial-gradient(60% 60% at 50% 38%, rgba(76,141,255,.28), transparent 70%); }
.macframe__win {
  position: relative; z-index: 1; border-radius: 16px; overflow: hidden; background: #fff;
  border: 1px solid rgba(11,27,58,.10);
  box-shadow: 0 40px 80px -28px rgba(11,27,58,.42), 0 8px 24px -12px rgba(11,27,58,.18);
}
.macframe__bar { height: 38px; display: flex; align-items: center; gap: 8px; padding: 0 16px;
  background: linear-gradient(180deg,#FBFCFE,#F1F4F9); border-bottom: 1px solid rgba(11,27,58,.07); }
.macframe__dot { width: 11px; height: 11px; border-radius: 50%; }
.macframe__title { margin-left: 10px; font-family: var(--font-body); font-size: 12.5px; font-weight: 600; color: #8493B0; letter-spacing: -.01em; }
.macframe__shot { width: 100%; object-fit: cover; background: #EEF2F8; display: block; }

/* ===== Screenshot frame (real window shots already include their own chrome) ===== */
.shot { position: relative; width: 100%; margin: 0 auto; }
.shot__glow { position: absolute; inset: -12% -8% -22% -8%; z-index: 0; filter: blur(10px);
  background: radial-gradient(60% 60% at 50% 38%, rgba(76,141,255,.28), transparent 70%); }
.shot__img { position: relative; z-index: 1; width: 100%; height: auto; display: block; }
.shot--solid .shot__img { border-radius: 16px; border: 1px solid rgba(11,27,58,.10);
  box-shadow: 0 40px 80px -28px rgba(11,27,58,.42), 0 8px 24px -12px rgba(11,27,58,.18); }

/* ===== Providers ===== */
.providers { padding: 92px 28px 0; }
.providers__inner { max-width: 1000px; margin: 0 auto; text-align: center; }
.providers__label { font-family: var(--font-body); font-weight: 700; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: #8493B0; margin: 0; }
.providers__list { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin: 26px 0 0; }
.provider {
  display: inline-flex; align-items: center; gap: 9px; padding: 11px 18px; border-radius: 999px;
  background: #fff; border: 1px solid rgba(11,27,58,.09); box-shadow: 0 4px 14px -8px rgba(11,27,58,.18);
  font-family: var(--font-body); font-weight: 600; font-size: 15.5px; color: #1B2D54;
}
.provider .dot { width: 8px; height: 8px; border-radius: 50%; background: linear-gradient(135deg,#16C0E6,#2C6BF2); }
.providers__note { font-family: var(--font-body); font-size: 16px; line-height: 1.6; color: #6B7A99; margin: 26px auto 0; max-width: 560px; }

/* ===== Section head ===== */
.sechead { text-align: center; max-width: 760px; margin: 0 auto; }
.sechead h2 { font-family: var(--font-head); font-weight: 800; font-size: clamp(34px,4vw,52px); line-height: 1.06; letter-spacing: -.03em; color: var(--ink); margin: 16px auto 0; max-width: 720px; text-wrap: balance; }
.sechead p { font-family: var(--font-body); font-size: 18.5px; line-height: 1.6; color: #52617F; margin: 18px auto 0; max-width: 600px; text-wrap: balance; }

/* ===== Features ===== */
.features { padding: 128px 28px 0; scroll-margin-top: 80px; }
.features__inner, .usecases__inner, .pricing__inner { max-width: var(--maxw); margin: 0 auto; }
.ams-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin: 56px auto 0; max-width: 1120px; }
.card {
  height: 100%; background: #fff; border-radius: 20px; padding: 30px 28px;
  border: 1px solid rgba(11,27,58,.07); box-shadow: 0 8px 22px -16px rgba(11,27,58,.22);
  transition: transform .28s cubic-bezier(.2,.7,.2,1), box-shadow .28s;
}
.card:hover { transform: translateY(-5px); box-shadow: 0 28px 56px -26px rgba(27,78,216,.34); }
.card__icon {
  width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center; color: #2257E6;
  background: linear-gradient(155deg, rgba(76,141,255,.16), rgba(22,192,230,.16));
  border: 1px solid rgba(44,107,242,.16); margin-bottom: 20px; transition: transform .28s;
}
.card:hover .card__icon { transform: scale(1.06); }
.card h3 { font-family: var(--font-head); font-weight: 700; font-size: 20px; letter-spacing: -.02em; color: var(--ink); margin: 0 0 9px; }
.card p { font-family: var(--font-body); font-size: 15.5px; line-height: 1.58; color: #5B6B8C; margin: 0; }

/* ===== Use cases ===== */
.usecases { padding: 128px 28px 0; scroll-margin-top: 80px; }
.usecases .ams-grid-3 { gap: 16px; }
.uc {
  height: 100%; display: flex; gap: 16px; padding: 22px; border-radius: 18px;
  background: rgba(255,255,255,.55); border: 1px solid rgba(11,27,58,.06);
  transition: background .25s, border-color .25s, box-shadow .25s, transform .25s;
}
.uc:hover { background: #fff; border-color: rgba(44,107,242,.18); box-shadow: 0 22px 44px -26px rgba(27,78,216,.3); transform: translateY(-3px); }
.uc__icon {
  width: 44px; height: 44px; flex-shrink: 0; border-radius: 13px; display: grid; place-items: center; color: #2257E6;
  background: linear-gradient(155deg, rgba(76,141,255,.15), rgba(22,192,230,.14));
  border: 1px solid rgba(44,107,242,.14);
}
.uc h3 { font-family: var(--font-head); font-weight: 700; font-size: 17px; letter-spacing: -.015em; color: var(--ink); margin: 2px 0 6px; }
.uc p { font-family: var(--font-body); font-size: 14.5px; line-height: 1.55; color: #5B6B8C; margin: 0; }

/* ===== Privacy (dark) ===== */
.privacy { padding: 128px 28px 0; scroll-margin-top: 60px; }
.privacy__card {
  max-width: var(--maxw); margin: 0 auto; border-radius: 32px; overflow: hidden; position: relative;
  padding: clamp(48px,5vw,76px);
  background: radial-gradient(70% 90% at 12% 8%, #21509E 0%, transparent 55%), radial-gradient(60% 80% at 90% 100%, #2D7FE0 0%, transparent 55%), linear-gradient(155deg,#13357F 0%,#0B1B3A 100%);
}
.ams-privacy-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.privacy h2 { font-family: var(--font-head); font-weight: 800; font-size: clamp(34px,4vw,52px); line-height: 1.06; letter-spacing: -.03em; color: #fff; margin: 16px 0 0; }
.privacy__lead { font-family: var(--font-body); font-size: 18px; line-height: 1.6; color: #AEC6EE; margin: 18px 0 30px; max-width: 440px; }
.privacy__list { display: grid; gap: 18px; }
.privacy__item { display: flex; gap: 15px; align-items: flex-start; }
.privacy__item .pi-icon { width: 42px; height: 42px; flex-shrink: 0; border-radius: 12px; display: grid; place-items: center; color: #BFE6FF; background: rgba(127,227,255,.12); border: 1px solid rgba(127,227,255,.22); }
.privacy__item h4 { font-family: var(--font-head); font-weight: 700; font-size: 16.5px; color: #fff; letter-spacing: -.01em; margin: 0; }
.privacy__item p { font-family: var(--font-body); font-size: 14.5px; line-height: 1.5; color: #9DB6E0; margin: 3px 0 0; }

/* ===== Pricing ===== */
.pricing { padding: 128px 28px 0; scroll-margin-top: 80px; }
.ams-pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 760px; margin: 56px auto 0; }
.plan { position: relative; height: 100%; border-radius: 24px; padding: 36px 32px 34px; background: #fff; border: 1px solid rgba(11,27,58,.09); box-shadow: 0 16px 40px -28px rgba(11,27,58,.28); }
.plan--featured { background: linear-gradient(160deg,#1B4ED8 0%,#0E2C7A 100%); border: 1px solid rgba(255,255,255,.16); box-shadow: 0 40px 80px -30px rgba(27,78,216,.55); }
.plan__badge { position: absolute; top: 22px; right: 24px; font-family: var(--font-body); font-weight: 700; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: #0B1B3A; background: linear-gradient(135deg,#7FE3FF,#fff); padding: 6px 12px; border-radius: 999px; }
.plan__name { font-family: var(--font-body); font-weight: 700; font-size: 14px; letter-spacing: .1em; text-transform: uppercase; color: var(--blue-600); }
.plan--featured .plan__name { color: #9ED2FF; }
.plan__price { font-family: var(--font-head); font-weight: 800; font-size: 54px; letter-spacing: -.03em; color: var(--ink); margin: 14px 0 4px; }
.plan--featured .plan__price { color: #fff; }
.plan__period { font-family: var(--font-body); font-size: 15px; color: #8493B0; margin-bottom: 26px; }
.plan--featured .plan__period { color: #AEC6EE; }
.plan__perks { display: grid; gap: 13px; margin-bottom: 30px; }
.plan__perks li { display: flex; gap: 11px; align-items: flex-start; font-family: var(--font-body); font-size: 15.5px; line-height: 1.4; color: #3A4A6B; list-style: none; }
.plan--featured .plan__perks li { color: #E4ECFA; }
.plan__perks .chk { flex-shrink: 0; margin-top: 1px; color: var(--blue-600); }
.plan--featured .plan__perks .chk { color: #7FE3FF; }
.plan__perks { padding: 0; margin-top: 0; }

/* ===== Final CTA ===== */
.finalcta { padding: 128px 28px 0; }
.finalcta__card {
  max-width: var(--maxw); margin: 0 auto; text-align: center; border-radius: 32px;
  padding: clamp(56px,6vw,88px) 28px; position: relative; overflow: hidden;
  background: radial-gradient(60% 120% at 50% 0%, #2A5BDD 0%, transparent 60%), linear-gradient(160deg,#1B4ED8,#0B1B3A);
}
.finalcta h2 { font-family: var(--font-head); font-weight: 800; font-size: clamp(34px,4.4vw,56px); line-height: 1.05; letter-spacing: -.03em; color: #fff; }
.finalcta p { font-family: var(--font-body); font-size: 19px; line-height: 1.55; color: #AEC6EE; margin: 18px auto 32px; max-width: 460px; }
.finalcta .appicon { margin: 0 auto 26px; }

/* ===== Footer ===== */
.footer { padding: 72px 28px 56px; margin-top: 40px; }
.footer__inner { max-width: var(--maxw); margin: 0 auto; display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; border-top: 1px solid rgba(11,27,58,.08); padding-top: 40px; }
.footer__copy { font-family: var(--font-body); font-size: 14.5px; color: #8493B0; }
.footer__support { font-family: var(--font-body); font-size: 14.5px; font-weight: 600; color: var(--blue-600); }

/* ===== stagger delays (reveal) ===== */
.ams-grid-3 .reveal:nth-child(3n+2) { transition-delay: .07s; }
.ams-grid-3 .reveal:nth-child(3n+3) { transition-delay: .14s; }
.usecases .ams-grid-3 .reveal:nth-child(3n+2) { transition-delay: .06s; }
.usecases .ams-grid-3 .reveal:nth-child(3n+3) { transition-delay: .12s; }
.privacy__list .reveal:nth-child(2) { transition-delay: .07s; }
.privacy__list .reveal:nth-child(3) { transition-delay: .14s; }
.privacy__list .reveal:nth-child(4) { transition-delay: .21s; }

/* ===== responsive ===== */
@media (max-width: 980px) {
  .ams-grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .ams-privacy-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav__links { display: none; }
}
@media (max-width: 640px) {
  .ams-grid-3 { grid-template-columns: 1fr; }
  .ams-pricing-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 122px; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { width: 100%; }
  .features, .usecases, .privacy, .pricing, .finalcta { padding-top: 92px; }
  .hero__shot { margin-top: 44px; }
  .footer__inner { justify-content: center; text-align: center; }
}

@media (max-width: 480px) {
  .nav__inner { padding: 0 16px; }
  .nav .wordmark__mark { width: 33px; height: 22.7px; }
  .nav .wordmark__text { font-size: 17px; }
}

/* ===== reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ams-float, .comet { animation: none !important; }
  .comet { display: none; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .btn:hover, .card:hover, .uc:hover { transform: none; }
}