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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #111827;
    background: #fff;
    line-height: 1.6;
}

/* NAV */
.site-nav {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #e5e7eb;
    padding: 0 5%;
    height: 64px;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: #1a56db; text-decoration: none; }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a { text-decoration: none; color: #374151; font-size: 15px; font-weight: 500; }
.nav-links a:hover { color: #1a56db; }
.nav-cta { background: #1a56db; color: #fff !important; padding: 10px 22px; border-radius: 8px; font-weight: 600 !important; }

/* HERO */
.hero {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 45%, #e0e7ff 100%);
    padding: 100px 5% 80px;
    text-align: center;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: #dbeafe; color: #1d4ed8;
    font-size: 13px; font-weight: 600;
    padding: 6px 16px; border-radius: 20px;
    border: 1px solid #bfdbfe; margin-bottom: 28px;
}
.hero h1 { font-size: clamp(36px, 6vw, 64px); font-weight: 800; line-height: 1.1; color: #111827; margin-bottom: 24px; }
.hero h1 .accent { color: #1a56db; }
.hero-sub { font-size: clamp(16px, 2vw, 20px); color: #4b5563; max-width: 560px; margin: 0 auto 44px; line-height: 1.7; }
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 64px; }
.btn-primary-lg { background: #1a56db; color: #fff; font-size: 17px; font-weight: 700; padding: 16px 36px; border-radius: 12px; text-decoration: none; display: inline-block; }
.btn-primary-lg:hover { background: #1e40af; color: #fff; }
.btn-secondary-lg { background: #fff; color: #1a56db; font-size: 17px; font-weight: 700; padding: 16px 36px; border-radius: 12px; text-decoration: none; display: inline-block; border: 2px solid #1a56db; }
.btn-secondary-lg:hover { background: #eff6ff; color: #1a56db; }

/* Hero preview */
.hero-preview { background: #fff; border-radius: 16px; box-shadow: 0 25px 60px rgba(0,0,0,.12); max-width: 860px; margin: 0 auto; overflow: hidden; border: 1px solid #e5e7eb; text-align: left; }
.preview-bar { background: #f9fafb; padding: 10px 16px; display: flex; gap: 6px; align-items: center; border-bottom: 1px solid #e5e7eb; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-r { background: #f87171; } .dot-y { background: #fbbf24; } .dot-g { background: #34d399; }
.preview-url { margin-left: 12px; background: #e5e7eb; border-radius: 6px; padding: 4px 16px; font-size: 13px; color: #6b7280; }
.preview-body { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 28px; }
.preview-chat { background: #f8fafc; border-radius: 12px; padding: 18px; }
.preview-chat-label { font-size: 12px; font-weight: 600; color: #6b7280; margin-bottom: 14px; text-transform: uppercase; letter-spacing: .5px; }
.bubble { padding: 10px 14px; border-radius: 16px; font-size: 14px; margin-bottom: 10px; max-width: 88%; line-height: 1.5; }
.bubble-ai { background: #fff; box-shadow: 0 1px 4px rgba(0,0,0,.08); color: #111; }
.bubble-user { background: #1a56db; color: #fff; margin-left: auto; border-bottom-right-radius: 4px; }
.preview-stats { display: flex; flex-direction: column; gap: 12px; }
.stat-card { border-radius: 12px; padding: 16px 20px; }
.stat-blue { background: #eff6ff; } .stat-green { background: #f0fdf4; } .stat-orange { background: #fff7ed; }
.stat-label { font-size: 11px; font-weight: 700; color: #6b7280; text-transform: uppercase; letter-spacing: .5px; }
.stat-val { font-size: 26px; font-weight: 800; color: #111; margin-top: 2px; }
.stat-sub { font-size: 12px; color: #6b7280; margin-top: 2px; }

/* LOGOS */
.logos { padding: 36px 5%; text-align: center; border-bottom: 1px solid #f3f4f6; }
.logos p { font-size: 12px; font-weight: 600; color: #9ca3af; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px; }
.logo-row { display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; }
.logo-item { font-size: 17px; font-weight: 700; color: #d1d5db; }

/* FEATURES */
.features { padding: 96px 5%; max-width: 1100px; margin: 0 auto; }
.section-eyebrow { font-size: 13px; font-weight: 700; color: #1a56db; text-transform: uppercase; letter-spacing: 1px; text-align: center; margin-bottom: 12px; }
.section-title { font-size: clamp(28px, 4vw, 44px); font-weight: 800; text-align: center; margin-bottom: 16px; }
.section-sub { font-size: 18px; color: #6b7280; text-align: center; max-width: 540px; margin: 0 auto 64px; line-height: 1.7; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.feature-card { padding: 32px; border-radius: 20px; border: 1px solid #f3f4f6; }
.feature-card-hl { background: #1a56db; border-color: #1a56db; }
.feature-icon { font-size: 34px; margin-bottom: 18px; }
.feature-title { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.feature-text { font-size: 15px; color: #6b7280; line-height: 1.7; }
.feature-card-hl .feature-title, .feature-card-hl .feature-text { color: #fff; }
.feature-card-hl .feature-text { color: rgba(255,255,255,.8); }

/* HOW IT WORKS */
.how { background: #f9fafb; padding: 96px 5%; }
.steps { display: flex; gap: 40px; max-width: 900px; margin: 64px auto 0; flex-wrap: wrap; justify-content: center; }
.step { flex: 1; min-width: 220px; text-align: center; padding: 0 16px; }
.step-num { width: 60px; height: 60px; background: #1a56db; color: #fff; font-size: 22px; font-weight: 800; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; border: 4px solid #fff; box-shadow: 0 0 0 2px #1a56db; }
.step-title { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.step-text { font-size: 14px; color: #6b7280; line-height: 1.7; }

/* TESTIMONIALS */
.testimonials { padding: 96px 5%; }
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; max-width: 1100px; margin: 64px auto 0; }
.testimonial { background: #fff; border: 1px solid #e5e7eb; border-radius: 20px; padding: 28px; }
.stars { color: #fbbf24; font-size: 18px; margin-bottom: 14px; }
.testimonial-text { font-size: 15px; color: #374151; line-height: 1.7; margin-bottom: 20px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.avatar { width: 42px; height: 42px; border-radius: 50%; background: #dbeafe; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.author-name { font-size: 14px; font-weight: 700; }
.author-role { font-size: 13px; color: #9ca3af; }

/* IOS */
.ios-section { background: linear-gradient(135deg, #111827 0%, #1e3a8a 100%); padding: 96px 5%; }
.ios-inner { max-width: 1000px; margin: 0 auto; display: flex; gap: 80px; align-items: center; flex-wrap: wrap; }
.ios-text { flex: 1; min-width: 280px; }
.ios-eyebrow { font-size: 13px; font-weight: 700; color: #60a5fa; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px; }
.ios-title { font-size: clamp(28px, 4vw, 42px); font-weight: 800; color: #fff; margin-bottom: 16px; }
.ios-sub { font-size: 17px; color: rgba(255,255,255,.7); line-height: 1.7; margin-bottom: 28px; }
.ios-features { list-style: none; margin-bottom: 32px; }
.ios-features li { color: rgba(255,255,255,.85); font-size: 15px; padding: 5px 0; display: flex; gap: 10px; }
.ios-features li::before { content: '✓'; color: #34d399; font-weight: 700; }
.app-store-btn { display: inline-flex; align-items: center; gap: 12px; background: #fff; color: #111; padding: 14px 24px; border-radius: 12px; font-size: 16px; font-weight: 700; text-decoration: none; }
.ios-phone { flex-shrink: 0; width: 200px; height: 380px; background: #1c1c1e; border-radius: 40px; border: 6px solid #3a3a3c; box-shadow: 0 30px 60px rgba(0,0,0,.4); overflow: hidden; display: flex; flex-direction: column; }
.ios-phone-screen { flex: 1; background: linear-gradient(160deg, #1a56db, #1e3a8a); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; }
.ios-phone-icon { font-size: 48px; }
.ios-phone-title { color: #fff; font-size: 18px; font-weight: 700; }
.ios-phone-sub { color: rgba(255,255,255,.6); font-size: 12px; }

/* CTA */
.cta-section { text-align: center; padding: 96px 5%; background: #f9fafb; }
.cta-section h2 { font-size: clamp(28px, 4vw, 48px); font-weight: 800; margin-bottom: 16px; }
.cta-section p { font-size: 18px; color: #6b7280; margin-bottom: 44px; }
.cta-form { display: flex; gap: 12px; max-width: 480px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.cta-input { flex: 1; min-width: 220px; padding: 16px 20px; border: 2px solid #e5e7eb; border-radius: 12px; font-size: 16px; font-family: inherit; }
.cta-btn { background: #1a56db; color: #fff; font-size: 16px; font-weight: 700; padding: 16px 28px; border-radius: 12px; border: none; cursor: pointer; font-family: inherit; }
.cta-btn:hover { background: #1e40af; }

/* FOOTER */
.site-footer { background: #111827; color: rgba(255,255,255,.5); text-align: center; padding: 32px 5%; font-size: 14px; }
.site-footer strong { color: #fff; }


/* FAG */
.fag-section { padding: 96px 5%; background: #f9fafb; }
.fag-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; max-width: 900px; margin: 48px auto 0; }
.fag-card { background: #fff; border: 1px solid #e5e7eb; border-radius: 16px; padding: 24px 16px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 10px; transition: box-shadow .2s; }
.fag-card:hover { box-shadow: 0 4px 16px rgba(26,86,219,.12); border-color: #bfdbfe; }
.fag-icon { font-size: 28px; }
.fag-name { font-size: 15px; font-weight: 700; color: #111827; }

@media (max-width: 768px) {
    .preview-body { grid-template-columns: 1fr; }
    .ios-phone { display: none; }
    .nav-links { display: none; }
}