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

:root {
  --primary: #7c3aed;
  --primary-dark: #6d28d9;
  --primary-light: #ede9fe;
  --accent: #ec4899;
  --text: #1a1d26;
  --text-muted: #6b7280;
  --bg: #ffffff;
  --bg-soft: #faf9ff;
  --border: #e5e7eb;
  --success: #10b981;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04);
  --shadow: 0 8px 24px rgba(124, 58, 237, .08);
  --shadow-lg: 0 20px 60px rgba(124, 58, 237, .18);
  --radius: 16px;
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: 'Outfit', sans-serif; line-height: 1.2; letter-spacing: -0.02em; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* NAV */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: .6rem; font-family: 'Outfit', sans-serif; font-weight: 800; font-size: 1.25rem; }
.logo-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid; place-items: center; color: #fff; font-weight: 800;
}
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a { font-weight: 500; color: var(--text-muted); transition: color .2s; }
.nav-links a:hover { color: var(--primary); }
.nav-cta { display: flex; gap: .75rem; align-items: center; }

.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .75rem 1.4rem; border-radius: 999px; font-weight: 600; font-size: .95rem;
  border: 1px solid transparent; cursor: pointer; transition: all .2s ease;
  white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn-ghost { color: var(--text); background: transparent; }
.btn-ghost:hover { background: var(--primary-light); color: var(--primary-dark); }
.btn-outline { background: #fff; color: var(--primary); border-color: var(--border); }
.btn-outline:hover { border-color: var(--primary); }
.btn-lg { padding: 1rem 1.8rem; font-size: 1rem; }

/* HERO */
.hero {
  position: relative; overflow: hidden;
  padding: 5rem 0 4rem;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(124,58,237,.08), transparent 70%),
              linear-gradient(180deg, var(--bg-soft), var(--bg));
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 4rem; align-items: center; }
.badge {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .4rem .9rem; border-radius: 999px;
  background: var(--primary-light); color: var(--primary-dark);
  font-size: .85rem; font-weight: 600; margin-bottom: 1.25rem;
}
.badge::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--success);
  box-shadow: 0 0 0 4px rgba(16,185,129,.2);
}
.hero h1 { font-size: clamp(2.2rem, 4.5vw, 3.6rem); font-weight: 800; margin-bottom: 1.25rem; }
.hero h1 .grad { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 1.15rem; color: var(--text-muted); margin-bottom: 2rem; max-width: 540px; }
.hero-cta { display: flex; gap: .75rem; flex-wrap: wrap; margin-bottom: 2rem; }
.hero-trust { display: flex; gap: 1.5rem; flex-wrap: wrap; font-size: .9rem; color: var(--text-muted); }
.hero-trust span { display: flex; align-items: center; gap: .35rem; }
.check { color: var(--success); font-weight: 700; }

.chat-card {
  background: #fff; border-radius: 24px; padding: 1.25rem;
  box-shadow: var(--shadow-lg);
  transform: rotate(1.5deg);
  max-width: 380px; margin-left: auto;
  border: 1px solid var(--border);
}
.chat-header { display: flex; align-items: center; gap: .75rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); margin-bottom: 1rem; }
.chat-avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, #25D366, #128C7E); display: grid; place-items: center; color: #fff; font-size: 1.4rem; }
.chat-name { font-weight: 700; font-size: .95rem; }
.chat-status { font-size: .8rem; color: var(--success); }
.chat-messages { display: flex; flex-direction: column; gap: .6rem; }
.msg { max-width: 80%; padding: .7rem 1rem; border-radius: 18px; font-size: .92rem; line-height: 1.4; }
.msg.bot { background: #f3f4f6; border-bottom-left-radius: 4px; }
.msg.user { background: linear-gradient(135deg, #dcfce7, #bbf7d0); margin-left: auto; border-bottom-right-radius: 4px; }
.msg-btns { display: flex; flex-direction: column; gap: .4rem; margin-top: .35rem; }
.msg-btn { background: #fff; border: 1px solid var(--border); padding: .5rem; border-radius: 10px; font-size: .85rem; color: var(--primary); font-weight: 600; text-align: center; }

/* PROOF */
.proof { padding: 3rem 0; border-bottom: 1px solid var(--border); text-align: center; }
.proof-label { font-size: .85rem; color: var(--text-muted); margin-bottom: 1.5rem; text-transform: uppercase; letter-spacing: .12em; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; max-width: 900px; margin: 0 auto; }
.stat-num { font-family: 'Outfit', sans-serif; font-size: 2.2rem; font-weight: 800; color: var(--primary); }
.stat-lbl { font-size: .9rem; color: var(--text-muted); }

/* FEATURES */
.section { padding: 5rem 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 3.5rem; }
.section-head .badge { background: var(--primary-light); }
.section-head h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin: .5rem 0 1rem; }
.section-head p { color: var(--text-muted); font-size: 1.1rem; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.feature { background: #fff; padding: 2rem; border: 1px solid var(--border); border-radius: var(--radius); transition: all .25s ease; }
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--primary-light); }
.feature-icon { width: 52px; height: 52px; border-radius: 14px; background: var(--primary-light); color: var(--primary); display: grid; place-items: center; font-size: 1.6rem; margin-bottom: 1.2rem; }
.feature h3 { font-size: 1.2rem; margin-bottom: .5rem; }
.feature p { color: var(--text-muted); font-size: .95rem; }

/* HOW IT WORKS */
.how { background: var(--bg-soft); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.step { position: relative; padding: 1.5rem; text-align: center; }
.step-num { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; font-weight: 800; font-size: 1.2rem; display: grid; place-items: center; margin: 0 auto 1rem; font-family: 'Outfit', sans-serif; }
.step h4 { font-size: 1.1rem; margin-bottom: .4rem; }
.step p { color: var(--text-muted); font-size: .92rem; }

/* BENEFITS */
.benefit { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; padding: 4rem 0; }
.benefit:nth-child(even) > .benefit-media { order: -1; }
.benefit h3 { font-size: 1.9rem; margin-bottom: 1rem; }
.benefit p { color: var(--text-muted); margin-bottom: 1.5rem; font-size: 1.05rem; }
.benefit ul { list-style: none; display: flex; flex-direction: column; gap: .6rem; }
.benefit li { display: flex; gap: .6rem; align-items: flex-start; }
.benefit li::before { content: '✓'; flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; background: var(--success); color: #fff; display: grid; place-items: center; font-size: .75rem; font-weight: 700; margin-top: 2px; }
.benefit-media { background: linear-gradient(135deg, var(--primary-light), #fce7f3); border-radius: 24px; aspect-ratio: 4/3; display: grid; place-items: center; font-size: 5rem; box-shadow: var(--shadow); }

/* PRICING / CONTACT */
.pricing { background: var(--bg-soft); }
.contact-form { max-width: 720px; margin: 0 auto; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 2.5rem; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-field { display: flex; flex-direction: column; margin-bottom: 1rem; }
.form-field label { font-size: .9rem; font-weight: 600; margin-bottom: .4rem; color: var(--text); }
.form-field input, .form-field textarea { width: 100%; padding: .8rem 1rem; border: 1px solid var(--border); border-radius: 10px; font-family: inherit; font-size: .95rem; color: var(--text); transition: border-color .2s, box-shadow .2s; background: #fff; }
.form-field input:focus, .form-field textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(124,58,237,.12); }
.form-field textarea { resize: vertical; min-height: 100px; }
.contact-form button[type=submit] { width: 100%; justify-content: center; margin-top: .5rem; }
.form-note { font-size: .82rem; color: var(--text-muted); text-align: center; margin-top: 1rem; }
@media (max-width: 700px) { .form-row { grid-template-columns: 1fr; } .contact-form { padding: 1.75rem; } }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: .75rem; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.faq-q { padding: 1.1rem 1.4rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-weight: 600; gap: 1rem; }
.faq-q::after { content: '+'; font-size: 1.4rem; color: var(--primary); transition: transform .2s; }
.faq-item[open] .faq-q::after { transform: rotate(45deg); }
.faq-a { padding: 0 1.4rem 1.2rem; color: var(--text-muted); }

/* CTA */
.cta-band { margin: 4rem auto; padding: 4rem 2rem; background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 28px; color: #fff; text-align: center; max-width: 1100px; box-shadow: var(--shadow-lg); }
.cta-band h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 1rem; }
.cta-band p { opacity: .95; margin-bottom: 1.75rem; font-size: 1.05rem; }
.cta-band .btn { background: #fff; color: var(--primary); }
.cta-band .btn:hover { background: #fff; transform: translateY(-2px); }

/* FOOTER */
footer { background: #0f0d1a; color: #cbd5e1; padding: 3rem 0 1.5rem; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; padding-bottom: 2rem; border-bottom: 1px solid rgba(255,255,255,.08); }
.foot-col h5 { color: #fff; font-size: .95rem; margin-bottom: 1rem; font-family: 'Inter', sans-serif; font-weight: 700; }
.foot-col a { display: block; padding: .3rem 0; color: #94a3b8; font-size: .9rem; }
.foot-col a:hover { color: #fff; }
.foot-brand .logo { color: #fff; margin-bottom: 1rem; }
.foot-brand p { font-size: .9rem; color: #94a3b8; max-width: 320px; }
.foot-bottom { padding-top: 1.5rem; text-align: center; font-size: .85rem; color: #64748b; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hero-grid, .benefit, .foot-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .benefit:nth-child(even) > .benefit-media { order: 0; }
  .features, .steps { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .chat-card { transform: none; margin: 0 auto; }
  .section { padding: 3.5rem 0; }
}