/* ===================================================================
   AutoRemind landing — design system mirrored from the Flutter app
   (lib/modules/foundation/theme + onboarding_page.dart)
   =================================================================== */

:root {
  /* Backgrounds */
  --bg: #0E0F1A;
  --bg-alt: #131929;
  --card: #1A1B2E;
  --card-border: rgba(255, 255, 255, 0.08);

  /* Brand gradient */
  --brand-1: #4C6EF5;
  --brand-2: #67D2FF;
  --accent: #67D2FF;
  --grad-brand: linear-gradient(135deg, #4C6EF5 0%, #67D2FF 100%);

  /* Feature gradients (from onboarding _ModeCard) */
  --grad-voice: linear-gradient(135deg, #4C6EF5, #67D2FF);
  --grad-text: linear-gradient(135deg, #10B981, #34D399);
  --grad-photo: linear-gradient(135deg, #F59E0B, #FBBF24);

  /* Status */
  --success: #10B981;
  --error: #EF4444;
  --gold-1: #D4AF37;
  --gold-2: #E5C547;

  /* Text */
  --text: #FFFFFF;
  --text-2: rgba(255, 255, 255, 0.70);
  --text-3: rgba(255, 255, 255, 0.50);

  --radius: 16px;
  --radius-lg: 24px;
  --maxw: 1140px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ───────────── Buttons ───────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font: inherit; font-weight: 700; font-size: 16px;
  border: none; border-radius: 999px; cursor: pointer;
  padding: 15px 26px; white-space: nowrap;
  transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease;
}
.btn--primary {
  background: var(--grad-brand); color: #fff;
  box-shadow: 0 10px 30px rgba(76, 110, 245, 0.40);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 38px rgba(76, 110, 245, 0.55); }
.btn--primary:active { transform: translateY(0); }
.btn--primary:disabled { opacity: .6; cursor: default; transform: none; box-shadow: none; }
.btn--sm { padding: 10px 18px; font-size: 14px; }
.btn--block { width: 100%; margin-top: 20px; }

.badge {
  display: inline-flex; align-items: center;
  font-size: 13px; font-weight: 600; letter-spacing: .2px;
  color: var(--accent);
  background: rgba(103, 210, 255, 0.10);
  border: 1px solid rgba(103, 210, 255, 0.30);
  padding: 7px 14px; border-radius: 999px; margin-bottom: 22px;
}
.kicker {
  display: block; text-transform: uppercase; letter-spacing: 2px;
  font-size: 12px; font-weight: 700; color: var(--accent); margin-bottom: 10px;
}

/* ───────────── Nav ───────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(14, 15, 26, 0.72);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--card-border);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 66px; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; }
.brand__logo {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 10px; overflow: hidden;
  background: var(--grad-brand); color: #fff;
  box-shadow: 0 6px 18px rgba(76, 110, 245, 0.45);
}
.brand__logo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.brand__name { font-size: 18px; letter-spacing: -0.3px; }
.nav__links { display: flex; gap: 28px; }
.nav__links a { color: var(--text-2); font-size: 15px; font-weight: 500; transition: color .15s; }
.nav__links a:hover { color: var(--text); }
.nav__actions { display: flex; align-items: center; gap: 14px; }
.lang { display: inline-flex; background: rgba(255,255,255,.06); border: 1px solid var(--card-border); border-radius: 999px; padding: 3px; }
.lang__btn {
  font: inherit; font-size: 13px; font-weight: 600; color: var(--text-3);
  background: transparent; border: none; cursor: pointer;
  padding: 6px 12px; border-radius: 999px; transition: all .15s;
}
.lang__btn.is-active { color: #fff; background: rgba(76, 110, 245, 0.30); }

/* ───────────── Hero ───────────── */
.hero { position: relative; overflow: hidden; padding: 72px 0 80px; }
.hero__glow {
  position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 600px; pointer-events: none;
  background: radial-gradient(closest-side, rgba(76, 110, 245, 0.35), transparent 70%);
  filter: blur(20px);
}
.hero__inner {
  position: relative; display: grid; grid-template-columns: 1.1fr 0.9fr;
  gap: 48px; align-items: center;
}
.hero__title {
  font-size: clamp(38px, 6vw, 60px); font-weight: 800;
  line-height: 1.05; letter-spacing: -1.5px; margin-bottom: 22px;
}
.hero__title .accent {
  background: var(--grad-brand); -webkit-background-clip: text;
  background-clip: text; color: transparent;
}
.hero__subtitle { font-size: 18px; color: var(--text-2); max-width: 520px; margin-bottom: 30px; }

/* ───────────── Signup form ───────────── */
.signup { max-width: 540px; }
.signup--center { margin: 0 auto; }
.signup__row { display: flex; gap: 10px; }
.signup__input {
  flex: 1; min-width: 0; font: inherit; font-size: 16px; color: #fff;
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 999px; padding: 15px 22px; transition: border-color .15s, box-shadow .15s;
}
.signup__input::placeholder { color: var(--text-3); }
.signup__input:focus { outline: none; border-color: var(--brand-1); box-shadow: 0 0 0 3px rgba(76, 110, 245, 0.25); }
.signup__note { font-size: 13px; color: var(--text-3); margin-top: 12px; }
.signup__msg { font-size: 14px; font-weight: 600; margin-top: 14px; min-height: 20px; }
.signup__msg.is-success { color: var(--success); }
.signup__msg.is-error { color: var(--error); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* ───────────── Phone mockup ───────────── */
.hero__mock { display: flex; justify-content: center; }
.phone {
  position: relative; width: 300px; height: 600px;
  background: linear-gradient(180deg, #0E0F1A 0%, #131929 100%);
  border: 2px solid rgba(255,255,255,.10); border-radius: 44px;
  padding: 18px 16px; box-shadow: 0 40px 80px rgba(0,0,0,.55);
}
.phone__notch {
  position: absolute; top: 14px; left: 50%; transform: translateX(-50%);
  width: 120px; height: 26px; background: #000; border-radius: 0 0 16px 16px;
}
.phone__screen { padding-top: 40px; height: 100%; display: flex; flex-direction: column; }
.m-greeting { font-size: 22px; font-weight: 700; letter-spacing: -0.4px; margin-bottom: 4px; }
.m-today { font-size: 13px; color: var(--text-3); margin-bottom: 18px; }
.m-card {
  display: flex; align-items: center; gap: 12px;
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 13px 14px; margin-bottom: 12px;
}
.m-card__icon {
  width: 38px; height: 38px; flex: 0 0 38px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.m-card--voice .m-card__icon { background: var(--grad-voice); }
.m-card--text  .m-card__icon { background: var(--grad-text); }
.m-card--photo .m-card__icon { background: var(--grad-photo); }
.m-card__body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.m-card__title { font-size: 13.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.m-card__time { font-size: 12px; color: var(--accent); font-weight: 600; }
.m-mic { position: relative; margin: auto auto 8px; width: 76px; height: 76px; }
.m-mic__btn {
  position: absolute; inset: 0; margin: auto; width: 64px; height: 64px;
  border-radius: 50%; background: var(--grad-brand);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 30px rgba(76,110,245,.6);
}
.m-mic__pulse {
  position: absolute; inset: 0; border-radius: 50%;
  background: rgba(76,110,245,.45); animation: pulse 2.2s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(0.85); opacity: .7; }
  100% { transform: scale(1.6); opacity: 0; }
}
.m-mic__hint { text-align: center; font-size: 12px; color: var(--text-3); padding-bottom: 4px; }

/* ───────────── Generic section ───────────── */
.section { padding: 84px 0; }
.section--alt { background: var(--bg-alt); }
.section__head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section__title { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -0.8px; }
.section__subtitle { font-size: 17px; color: var(--text-2); margin-top: 14px; }

/* ───────────── Ways ───────────── */
.ways { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.way {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius-lg); padding: 30px 26px; text-align: center;
  transition: transform .18s ease, border-color .18s ease;
}
.way:hover { transform: translateY(-4px); border-color: rgba(103,210,255,.35); }
.way__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 60px; height: 60px; border-radius: 18px; font-size: 28px; margin-bottom: 18px;
}
.way__icon--voice { background: var(--grad-voice); }
.way__icon--text  { background: var(--grad-text); }
.way__icon--photo { background: var(--grad-photo); }
.way__label { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.way__example { color: var(--text-2); font-size: 15px; }

/* ───────────── Steps ───────────── */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step {
  position: relative; background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius-lg); padding: 34px 28px;
}
.step__num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 14px; margin-bottom: 18px;
  font-size: 20px; font-weight: 800; color: #fff; background: var(--grad-brand);
  box-shadow: 0 8px 22px rgba(76,110,245,.45);
}
.step__title { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.step__desc { color: var(--text-2); font-size: 15px; }

/* ───────────── Features grid ───────────── */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 26px 24px;
  transition: transform .18s ease, border-color .18s ease;
}
.feature:hover { transform: translateY(-4px); border-color: rgba(103,210,255,.35); }
.feature__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 50px; height: 50px; border-radius: 14px; font-size: 24px; margin-bottom: 16px;
  background: rgba(76,110,245,.16);
}
.feature__title { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.feature__desc { color: var(--text-2); font-size: 14.5px; }

/* ───────────── Plans ───────────── */
.plans {
  display: grid; grid-template-columns: repeat(2, minmax(0, 380px));
  gap: 22px; justify-content: center; align-items: stretch;
}
.plan {
  position: relative; background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius-lg); padding: 34px 30px;
}
.plan--pro {
  border-color: rgba(76,110,245,.55);
  background: linear-gradient(180deg, rgba(76,110,245,.12), rgba(26,27,46,1) 60%);
  box-shadow: 0 24px 60px rgba(76,110,245,.25);
}
.plan__badge {
  position: absolute; top: -13px; right: 24px;
  font-size: 12px; font-weight: 700; color: #0E0F1A;
  background: linear-gradient(135deg, var(--gold-1), var(--gold-2));
  padding: 6px 14px; border-radius: 999px;
}
.plan__name { font-size: 16px; font-weight: 600; color: var(--text-2); margin-bottom: 10px; }
.plan__price { font-size: 40px; font-weight: 800; letter-spacing: -1px; margin-bottom: 22px; }
.plan__price small { font-size: 16px; font-weight: 600; color: var(--text-3); }
.plan__features { list-style: none; display: flex; flex-direction: column; gap: 13px; }
.plan__features li { position: relative; padding-left: 30px; color: var(--text-2); font-size: 15px; }
.plan__features li::before {
  content: ''; position: absolute; left: 0; top: 2px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--success) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 12px no-repeat;
}

/* ───────────── Join / waitlist ───────────── */
.join { position: relative; overflow: hidden; padding: 96px 0; text-align: center; }
.join__glow {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(60% 120% at 50% 0%, rgba(76,110,245,.30), transparent 70%);
}
.join__inner { position: relative; }
.join__title { font-size: clamp(30px, 4.5vw, 46px); font-weight: 800; letter-spacing: -1px; }
.join__subtitle { font-size: 18px; color: var(--text-2); max-width: 560px; margin: 16px auto 32px; }

/* ───────────── Footer ───────────── */
.footer { border-top: 1px solid var(--card-border); background: var(--bg-alt); padding: 44px 0 28px; }
.footer__inner { display: flex; align-items: flex-start; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.footer__brand { display: flex; gap: 12px; align-items: center; }
.footer__tagline { color: var(--text-3); font-size: 14px; margin-top: 2px; }
.footer__links { display: flex; gap: 26px; flex-wrap: wrap; }
.footer__links a { color: var(--text-2); font-size: 15px; transition: color .15s; }
.footer__links a:hover { color: var(--text); }
.footer__bottom { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--card-border); color: var(--text-3); font-size: 13px; }

/* ───────────── Responsive ───────────── */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: 56px; }
  .hero__mock { order: -1; }
  .ways, .steps, .features { grid-template-columns: 1fr; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .plans { grid-template-columns: 1fr; }
  .nav__links { display: none; }
}
@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .signup__row { flex-direction: column; }
  .signup__input, .signup .btn { width: 100%; }
  .features { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero { padding: 48px 0 60px; }
}

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