/* === Reset & Custom Properties === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue-600: #2563EB;
  --blue-500: #3B82F6;
  --blue-100: #DBEAFE;
  --blue-50: #EFF6FF;
  --coral: #F97066;
  --coral-hover: #EF4444;
  --coral-glow: rgba(249, 112, 102, 0.25);
  --green: #059669;
  --bg: #FAFAF8;
  --bg-warm: #F5F3F0;
  --bg-white: #FFFFFF;
  --text: #1A1A2E;
  --text-body: #4A4A5A;
  --text-muted: #8A8A9A;
  --text-faint: #B0B0BC;
  --border: #E8E6E1;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.03);
  --shadow: 0 4px 16px rgba(0,0,0,.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.08);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.10);
  --max-w: 1120px;
  --transition: .25s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text-body);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3 {
  font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

a { color: var(--blue-600); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--blue-500); }

img { max-width: 100%; display: block; }

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

/* === Nav === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,.05);
  padding: 14px 0;
  transition: box-shadow var(--transition);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav__logo:hover { color: var(--text); text-decoration: none; }

.nav__cta {
  padding: 8px 20px;
  background: var(--text);
  color: #fff !important;
  border-radius: 100px;
  font-size: .875rem;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition);
}
.nav__cta:hover {
  background: var(--blue-600);
  transform: translateY(-1px);
  text-decoration: none;
}

/* === Section Helpers === */
.section {
  padding: 96px 0;
}
.section--warm {
  background: var(--bg-warm);
}

.section__header {
  text-align: center;
  margin-bottom: 56px;
}

.section__label {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--blue-600);
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.02em;
}

/* === Animations === */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s cubic-bezier(.4,0,.2,1), transform .7s cubic-bezier(.4,0,.2,1);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-1 { transition-delay: .05s; }
.stagger-2 { transition-delay: .1s; }
.stagger-3 { transition-delay: .15s; }
.stagger-4 { transition-delay: .2s; }
.stagger-5 { transition-delay: .25s; }
.stagger-6 { transition-delay: .3s; }

/* === Hero === */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(175deg, #EFF6FF 0%, var(--bg) 55%);
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

.hero__content { text-align: center; }

.hero__headline {
  font-size: clamp(2.25rem, 5.5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero__highlight {
  background: linear-gradient(135deg, var(--blue-600), var(--coral));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  color: var(--text-body);
  max-width: 540px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

/* === Waitlist Form === */
.waitlist-form {
  max-width: 480px;
  margin: 0 auto;
}

.waitlist-form__row {
  display: flex;
  gap: 8px;
  background: var(--bg-white);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 5px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.waitlist-form__row:focus-within {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, .1);
}

.waitlist-form__input {
  flex: 1;
  padding: 12px 14px;
  border: none;
  background: transparent;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  outline: none;
  min-width: 0;
}
.waitlist-form__input::placeholder {
  color: var(--text-faint);
}

.waitlist-form__btn {
  padding: 12px 24px;
  background: var(--coral);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}
.waitlist-form__btn:hover {
  background: var(--coral-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px var(--coral-glow);
}
.waitlist-form__btn:disabled {
  opacity: .7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.waitlist-form__btn:focus-visible {
  outline: 3px solid var(--blue-500);
  outline-offset: 2px;
}

.btn-loading { display: none; line-height: 0; }
.waitlist-form__btn.loading .btn-text { display: none; }
.waitlist-form__btn.loading .btn-loading { display: inline-flex; }

.waitlist-form__note {
  font-size: .82rem;
  color: var(--text-muted);
  margin-top: 12px;
  text-align: center;
}

.waitlist-form__error {
  color: var(--coral);
  font-size: .875rem;
  margin-top: 8px;
  display: none;
  text-align: center;
}
.waitlist-form__error.show { display: block; }

.waitlist-form__success {
  color: var(--green);
  font-size: 1rem;
  font-weight: 500;
  margin-top: 8px;
  display: none;
  text-align: center;
}
.waitlist-form__success.show { display: block; }

/* === Chat Mockup === */
.chat-mockup {
  max-width: 380px;
  margin: 0 auto;
  background: var(--bg-white);
  border-radius: 20px;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,.06);
}

.chat-mockup__header {
  background: linear-gradient(135deg, #2AABEE, #229ED9);
  color: #fff;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chat-mockup__header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-mockup__back { opacity: .8; flex-shrink: 0; }

.chat-mockup__avatar-group {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.chat-mockup__title {
  font-weight: 600;
  font-size: .95rem;
  line-height: 1.2;
}

.chat-mockup__members {
  font-size: .72rem;
  opacity: .75;
}

.chat-mockup__header-right { opacity: .7; }

.chat-mockup__body {
  padding: 16px 14px;
  background: #E5DDD5;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c8c3ba' fill-opacity='0.15'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  min-height: 320px;
}

.chat-date {
  text-align: center;
  margin-bottom: 12px;
}
.chat-date::after {
  content: 'Today';
  display: inline-block;
  background: rgba(225, 218, 208, .9);
  color: #6b6560;
  font-size: .7rem;
  font-weight: 500;
  padding: 3px 12px;
  border-radius: 8px;
}

.chat-msg {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
  align-items: flex-end;
}
.chat-msg:last-child { margin-bottom: 0; }

.chat-msg--right {
  justify-content: flex-end;
}

.chat-msg__avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  flex-shrink: 0;
  background: #fff;
}

.chat-msg__bubble-wrap {
  max-width: 82%;
}

.chat-msg__name {
  display: block;
  font-size: .7rem;
  font-weight: 600;
  color: var(--blue-600);
  margin-bottom: 2px;
  padding-left: 4px;
}
.chat-msg__name--alt {
  color: #D97706;
}

.chat-msg__bubble {
  padding: 8px 12px;
  border-radius: 12px;
  font-size: .82rem;
  line-height: 1.5;
  position: relative;
  box-shadow: 0 1px 2px rgba(0,0,0,.08);
}

.chat-msg__bubble--bot {
  background: #fff;
  color: var(--text);
  border-bottom-left-radius: 4px;
}

.chat-msg__bubble--user {
  background: #DCF8C6;
  color: var(--text);
  border-bottom-right-radius: 4px;
}

.chat-msg__bubble--alt {
  background: #DCF8C6;
  color: var(--text);
  border-bottom-right-radius: 4px;
}

.chat-msg__muted {
  color: var(--text-muted);
  font-size: .75rem;
}

.chat-msg__time {
  display: block;
  font-size: .65rem;
  color: var(--text-muted);
  margin-top: 2px;
  padding: 0 4px;
  text-align: right;
}

/* === Problem === */
.problem__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 860px;
  margin: 0 auto 40px;
}

.problem__card {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 28px 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 16px;
  align-items: flex-start;
  border: 1px solid rgba(0,0,0,.04);
}

.problem__icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 2px;
}

.problem__card p {
  font-size: 1rem;
  line-height: 1.7;
}

.problem__kicker {
  text-align: center;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.15rem, 2.5vw, 1.4rem);
  font-weight: 700;
  color: var(--blue-600);
  line-height: 1.5;
}

/* === Solution === */
.solution__content {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.solution__text {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}
.solution__text:last-of-type {
  margin-bottom: 32px;
}

.solution__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.pill {
  display: inline-block;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 10px 20px;
  font-size: .9rem;
  color: var(--text-body);
  font-weight: 500;
  white-space: nowrap;
  transition: transform var(--transition), box-shadow var(--transition);
}
.pill:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* === Steps === */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.step {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,.04);
  position: relative;
}

.step__icon {
  width: 56px; height: 56px;
  background: var(--blue-50);
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-600);
  margin-bottom: 16px;
}

.step__number {
  position: absolute;
  top: 16px;
  right: 20px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text);
  opacity: .05;
  line-height: 1;
}

.step h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.step p {
  font-size: .95rem;
  line-height: 1.7;
  color: var(--text-body);
}

/* === Features === */
.features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}

.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,.04);
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-card__icon {
  font-size: 2rem;
  margin-bottom: 14px;
  display: inline-block;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: .95rem;
  line-height: 1.7;
  color: var(--text-body);
}

/* === Social Proof / Story === */
.story {
  max-width: 720px;
  margin: 0 auto;
}

.story__quote {
  margin-bottom: 48px;
}

.story__quote blockquote {
  position: relative;
  padding-left: 24px;
  border-left: 3px solid var(--blue-500);
}

.story__quote blockquote p {
  font-size: 1.08rem;
  line-height: 1.85;
  color: var(--text);
  margin-bottom: 16px;
}
.story__quote blockquote p:last-child {
  margin-bottom: 0;
}

.story__quote blockquote em {
  color: var(--blue-600);
  font-style: italic;
}

.story__author {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 24px;
  padding-left: 24px;
}

.story__author-info strong {
  display: block;
  font-size: 1rem;
  color: var(--text);
}

.story__author-info span {
  font-size: .85rem;
  color: var(--text-muted);
}

.stats-strip {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

.stat { text-align: center; }

.stat__number {
  display: block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--blue-600);
  line-height: 1;
  margin-bottom: 6px;
}

.stat__label {
  font-size: .85rem;
  color: var(--text-muted);
}

/* === Pricing === */
.pricing-card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--bg-white);
  border-radius: 20px;
  padding: 48px 36px;
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--blue-100);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.pricing-card__badge {
  display: inline-block;
  background: var(--blue-600);
  color: #fff;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 5px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.pricing-card__amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 16px;
}

.pricing-card__currency {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.pricing-card__number {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 4rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}

.pricing-card__period {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 500;
}

.pricing-card__desc {
  font-size: .95rem;
  color: var(--text-body);
  margin-bottom: 28px;
  line-height: 1.6;
}

.pricing-card__features {
  list-style: none;
  margin-bottom: 32px;
  text-align: left;
}
.pricing-card__features li {
  padding: 9px 0 9px 32px;
  position: relative;
  color: var(--text-body);
  font-size: .95rem;
  border-bottom: 1px solid rgba(0,0,0,.04);
}
.pricing-card__features li:last-child { border-bottom: none; }
.pricing-card__features li::before {
  content: "✓";
  position: absolute;
  left: 4px;
  color: var(--green);
  font-weight: 700;
  font-size: 1rem;
}

.pricing-card .waitlist-form {
  max-width: 100%;
}
.pricing-card .waitlist-form__row {
  border-color: var(--border);
}

.pricing-card__footnote {
  font-size: .8rem;
  color: var(--text-muted);
  margin-top: 16px;
}

/* === Footer === */
.footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border);
}

.footer__inner {
  text-align: center;
}

.footer__logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
  display: inline-block;
  margin-bottom: 4px;
}

.footer__brand {
  margin-bottom: 16px;
}
.footer__brand p {
  font-size: .9rem;
  color: var(--text-muted);
}

.footer__links {
  margin-bottom: 16px;
}
.footer__links p {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.footer__links a { color: var(--text-body); }
.footer__links a:hover { color: var(--blue-600); }

.footer__copy {
  font-size: .8rem;
  color: var(--text-faint);
}

/* === Responsive === */
@media (min-width: 640px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .problem__grid {
    grid-template-columns: 1fr;
  }
  .solution__pills {
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .section {
    padding: 112px 0;
  }
  .hero {
    padding: 140px 0 100px;
  }
  .hero__grid {
    grid-template-columns: 1fr 400px;
    gap: 64px;
  }
  .hero__content {
    text-align: left;
  }
  .hero__sub {
    margin-left: 0;
  }
  .waitlist-form {
    margin-left: 0;
  }
  .features__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .chat-mockup {
    margin: 0;
  }
}

@media (min-width: 1200px) {
  .hero__grid {
    grid-template-columns: 1fr 420px;
    gap: 80px;
  }
}

/* Small screens */
@media (max-width: 480px) {
  .waitlist-form__row {
    flex-direction: column;
  }
  .waitlist-form__btn {
    justify-content: center;
  }
  .pill {
    font-size: .82rem;
    padding: 8px 14px;
  }
  .stats-strip {
    gap: 28px;
  }
  .pricing-card {
    padding: 36px 24px;
  }
  .hero__headline {
    font-size: 2rem;
  }
}