@import url('https://fonts.googleapis.com/css2?family=Tiro+Bangla:ital@0;1&family=Hind+Siliguri:wght@400;500;600;700&family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&display=swap');

:root {
  --ink: #1B2B22;
  --paper: #FBF7EE;
  --panel: #F1ECDF;
  --green: #1F5C43;
  --green-deep: #143A2A;
  --gold: #C98A2C;
  --gold-soft: #E9CFA0;
  --sage: #E4EBE3;
  --alert: #B4432E;
  --line: rgba(27, 43, 34, 0.14);

  --font-head: 'Tiro Bangla', 'Fraunces', serif;
  --font-body: 'Hind Siliguri', 'Fraunces', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 400;
  line-height: 1.2;
  margin: 0 0 0.4em 0;
  color: var(--green-deep);
}

h1 { font-size: 2.6rem; }
h2 { font-size: 1.9rem; }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1em 0; max-width: 62ch; }

a { color: var(--green); }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Top nav ---------- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  max-width: 1080px;
  margin: 0 auto;
}

.brand {
  font-family: var(--font-head);
  font-size: 1.4rem;
  color: var(--green-deep);
  text-decoration: none;
}

.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 500;
  font-size: 0.95rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  transition: transform 0.12s ease;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--green);
  color: var(--paper);
}
.btn-primary:hover { background: var(--green-deep); }

.btn-ghost {
  background: transparent;
  color: var(--green-deep);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover { border-color: var(--green); }

.btn-block { width: 100%; text-align: center; }

/* ---------- Hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
  padding: 40px 24px 90px;
  max-width: 1080px;
  margin: 0 auto;
}

.hero h1 { font-size: 3rem; margin-bottom: 0.5em; }
.hero .lede { font-size: 1.15rem; color: #3C4B41; margin-bottom: 1.8em; }
.hero .cta-row { display: flex; gap: 14px; }

/* Messenger-mockup: the hero's real visual anchor */
.chat-mock {
  background: var(--green-deep);
  border-radius: 18px;
  padding: 28px 22px;
  transform: rotate(1.2deg);
  box-shadow: 0 24px 50px -20px rgba(20, 58, 42, 0.5);
}

.chat-mock .thread { display: flex; flex-direction: column; gap: 12px; }

.bubble {
  max-width: 82%;
  padding: 11px 15px;
  border-radius: 14px;
  font-size: 0.96rem;
  line-height: 1.45;
}

.bubble.customer {
  align-self: flex-start;
  background: #2C4B3B;
  color: #EFEAD9;
  border-bottom-left-radius: 4px;
}

.bubble.ai {
  align-self: flex-end;
  background: var(--gold);
  color: var(--green-deep);
  border-bottom-right-radius: 4px;
  font-weight: 500;
}

.chat-mock .typing-tag {
  margin-top: 14px;
  font-size: 0.78rem;
  color: #9EB3A5;
  text-align: right;
}

/* ---------- Sections ---------- */
.section { padding: 70px 24px; }
.section-narrow { max-width: 780px; margin: 0 auto; }

.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.how-step {
  border-left: 3px solid var(--gold);
  padding-left: 18px;
}

.how-step h3 { margin-bottom: 0.3em; }

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.plan-card {
  background: var(--panel);
  border-left: 5px solid var(--line);
  border-radius: 4px;
  padding: 28px 24px;
}

.plan-card.featured { border-left-color: var(--gold); background: #F6EEDB; }

.plan-price {
  font-family: var(--font-head);
  font-size: 2.2rem;
  color: var(--green-deep);
  margin: 12px 0 4px;
}
.plan-price span { font-size: 1rem; font-family: var(--font-body); color: #5B6A5F; }

.plan-features { list-style: none; padding: 0; margin: 20px 0 26px; }
.plan-features li {
  padding: 7px 0;
  border-top: 1px solid var(--line);
  font-size: 0.94rem;
}
.plan-features li:first-child { border-top: none; }

/* ---------- Auth forms ---------- */
.auth-wrap {
  max-width: 420px;
  margin: 60px auto;
  padding: 0 24px;
}

.auth-card {
  background: var(--panel);
  border-radius: 8px;
  padding: 34px 30px;
}

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--green-deep);
}

.field input {
  width: 100%;
  padding: 11px 13px;
  border-radius: 6px;
  border: 1.5px solid var(--line);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
}
.field input:focus {
  outline: none;
  border-color: var(--green);
}

.form-msg {
  font-size: 0.9rem;
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 6px;
  display: none;
}
.form-msg.error { display: block; background: #F6E3DE; color: var(--alert); }
.form-msg.success { display: block; background: #DCEADF; color: var(--green-deep); }

.auth-switch { margin-top: 18px; font-size: 0.92rem; text-align: center; color: #5B6A5F; }

/* ---------- Dashboard ---------- */
.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
}

.dash-body { max-width: 780px; margin: 0 auto; padding: 40px 24px; }

.status-pill {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
}
.status-pill.trialing { background: var(--gold-soft); color: #6B4A0F; }
.status-pill.active { background: #DCEADF; color: var(--green-deep); }
.status-pill.expired { background: #F6E3DE; color: var(--alert); }

.usage-card {
  background: var(--panel);
  border-radius: 8px;
  padding: 24px;
  margin-top: 24px;
}

footer {
  text-align: center;
  padding: 40px 24px;
  color: #7A8A7E;
  font-size: 0.88rem;
}

@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; padding-top: 10px; }
  .how-steps, .pricing-grid { grid-template-columns: 1fr; }
  h1 { font-size: 2.2rem; }
}