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

:root {
  --bg-deep: #020b12;
  --bg-dark: #050f18;
  --bg-card: #0a1929;
  --bg-card2: #0d2137;
  --border: rgba(255,255,255,0.07);
  --border-glow: rgba(37,211,102,0.3);
  --green: #25D366;
  --green-dark: #128C7E;
  --green-glow: rgba(37,211,102,0.15);
  --accent: #00d4aa;
  --text-primary: #f0f6ff;
  --text-secondary: #8ba4bf;
  --text-muted: #4a6580;
  --highlight: linear-gradient(135deg, #25D366, #00d4aa);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-glow: 0 0 40px rgba(37,211,102,0.15);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ==================== NAV ==================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 16px 0;
  transition: all 0.3s;
}
.nav.scrolled {
  background: rgba(2, 11, 18, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 40px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark { display: flex; }
.logo-text { font-size: 20px; font-weight: 700; color: var(--text-primary); }
.logo-text strong { color: var(--green); }
.nav-links { display: flex; gap: 28px; margin-left: 20px; }
.nav-links a {
  color: var(--text-secondary); text-decoration: none; font-size: 14px; font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.btn-ghost { color: var(--text-secondary); text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.2s; }
.btn-ghost:hover { color: var(--text-primary); }
.btn-nav-primary {
  background: var(--green); color: #000; text-decoration: none;
  padding: 9px 20px; border-radius: 8px; font-size: 14px; font-weight: 700;
  transition: all 0.2s; white-space: nowrap;
}
.btn-nav-primary:hover { background: #20bb5a; transform: translateY(-1px); box-shadow: 0 8px 20px rgba(37,211,102,0.4); }

/* ==================== HERO ==================== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 100px 24px 80px;
  position: relative; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.orb {
  position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.25;
  animation: float 8s ease-in-out infinite;
}
.orb-1 { width: 500px; height: 500px; background: radial-gradient(circle, #25D366, transparent); top: -100px; left: -100px; animation-delay: 0s; }
.orb-2 { width: 400px; height: 400px; background: radial-gradient(circle, #00d4aa, transparent); top: 200px; right: -100px; animation-delay: 3s; }
.orb-3 { width: 300px; height: 300px; background: radial-gradient(circle, #0066ff, transparent); bottom: -50px; left: 30%; animation-delay: 6s; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-20px)} }

.grid-pattern {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-inner {
  max-width: 620px; position: relative; z-index: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(37,211,102,0.1); border: 1px solid rgba(37,211,102,0.25);
  color: var(--green); padding: 8px 16px; border-radius: 100px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.5px;
  margin-bottom: 28px;
}
.badge-dot { width: 6px; height: 6px; background: var(--green); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(1.5)} }

.hero-title {
  font-size: clamp(42px, 6vw, 68px);
  font-weight: 900; line-height: 1.08;
  letter-spacing: -2px;
  color: var(--text-primary);
  margin-bottom: 24px;
}
.highlight {
  background: var(--highlight);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub {
  font-size: 18px; color: var(--text-secondary); line-height: 1.7;
  max-width: 500px; margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }
.btn-primary-lg {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--green); color: #000; text-decoration: none;
  padding: 16px 32px; border-radius: 12px; font-size: 16px; font-weight: 800;
  transition: all 0.25s; box-shadow: 0 0 40px rgba(37,211,102,0.3);
}
.btn-primary-lg:hover { background: #20bb5a; transform: translateY(-3px); box-shadow: 0 20px 50px rgba(37,211,102,0.5); }
.btn-ghost-lg {
  display: inline-flex; align-items: center;
  color: var(--text-secondary); text-decoration: none;
  padding: 16px 28px; border-radius: 12px; font-size: 15px; font-weight: 600;
  border: 1px solid var(--border); transition: all 0.25s;
}
.btn-ghost-lg:hover { border-color: var(--border-glow); color: var(--text-primary); background: var(--green-glow); }
.hero-stats { display: flex; gap: 12px; flex-wrap: wrap; }
.stat-pill {
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  padding: 8px 16px; border-radius: 100px; font-size: 13px; color: var(--text-secondary); font-weight: 500;
}

/* ==================== PHONE MOCKUP ==================== */
.hero-mockup {
  position: absolute; right: 60px; top: 50%; transform: translateY(-50%);
  z-index: 1;
}
.phone-frame {
  width: 300px; background: #0a1929;
  border: 2px solid rgba(37,211,102,0.2);
  border-radius: 36px; overflow: hidden;
  box-shadow: 0 0 60px rgba(37,211,102,0.15), 0 40px 80px rgba(0,0,0,0.6);
  animation: floatPhone 5s ease-in-out infinite;
}
@keyframes floatPhone { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
.phone-screen { padding: 0; }
.phone-header {
  background: linear-gradient(135deg, #128C7E, #25D366);
  padding: 16px;
}
.wa-contact { display: flex; align-items: center; gap: 10px; }
.wa-avatar { width: 36px; height: 36px; background: rgba(255,255,255,0.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.wa-name { font-weight: 700; font-size: 14px; color: white; }
.wa-status { font-size: 11px; color: rgba(255,255,255,0.8); }
.phone-messages { padding: 12px; display: flex; flex-direction: column; gap: 10px; min-height: 280px; }
.wa-msg { opacity: 0; transform: translateY(10px); transition: all 0.4s ease; }
.wa-msg.visible { opacity: 1; transform: translateY(0); }
.msg-bubble {
  background: #1a2c3d; border-radius: 4px 14px 14px 14px;
  padding: 10px 12px; font-size: 12px; color: #d0e8f0; line-height: 1.5;
  max-width: 85%; border-left: 3px solid var(--green);
}
.msg-bubble.sent {
  background: #054d35; border-radius: 14px 4px 14px 14px;
  margin-left: auto; border-left: none; border-right: 3px solid var(--green);
  color: #c8f0dc;
}
.msg-time { font-size: 10px; color: var(--text-muted); margin-top: 2px; padding-left: 4px; }
.msg-time-sent { text-align: right; padding-right: 4px; padding-left: 0; }
.phone-footer {
  background: rgba(37,211,102,0.08); padding: 10px 16px;
  border-top: 1px solid var(--border);
}
.sent-count { font-size: 11px; color: var(--green); text-align: center; font-weight: 600; }

/* ==================== TRUST BAR ==================== */
.trust-bar { padding: 24px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trust-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; gap: 32px; flex-wrap: wrap; justify-content: center; }
.trust-label { color: var(--text-muted); font-size: 13px; white-space: nowrap; }
.trust-logos { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; }
.trust-logos span { font-size: 13px; color: var(--text-secondary); padding: 6px 14px; background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 100px; }

/* ==================== SECTIONS ==================== */
.section { padding: 100px 24px; }
.section-dark { background: var(--bg-dark); }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-badge {
  display: inline-block;
  background: rgba(37,211,102,0.1); border: 1px solid rgba(37,211,102,0.25);
  color: var(--green); padding: 6px 14px; border-radius: 100px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.5px;
  margin-bottom: 20px;
}
.section-title { font-size: clamp(32px, 4vw, 48px); font-weight: 900; letter-spacing: -1.5px; margin-bottom: 16px; line-height: 1.15; }
.section-sub { color: var(--text-secondary); font-size: 17px; max-width: 560px; line-height: 1.7; margin-bottom: 60px; }

/* ==================== HOW IT WORKS ==================== */
.steps-grid { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: start; gap: 0; }
.step-connector { font-size: 28px; color: var(--green); opacity: 0.5; padding-top: 60px; }
.step-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  transition: all 0.3s; position: relative;
}
.step-card:hover { border-color: var(--border-glow); box-shadow: var(--shadow-glow); transform: translateY(-4px); }
.step-card-highlight { border-color: rgba(37,211,102,0.3); background: linear-gradient(135deg, rgba(37,211,102,0.06), var(--bg-card)); }
.step-number {
  position: absolute; top: 16px; right: 16px;
  width: 28px; height: 28px; background: rgba(37,211,102,0.1); border: 1px solid rgba(37,211,102,0.3);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800; color: var(--green);
}
.step-icon { font-size: 40px; margin-bottom: 16px; }
.step-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.step-card p { color: var(--text-secondary); font-size: 14px; line-height: 1.7; margin-bottom: 16px; }
.step-tag { display: inline-block; background: rgba(37,211,102,0.08); border: 1px solid rgba(37,211,102,0.2); color: var(--green); padding: 4px 10px; border-radius: 6px; font-size: 11px; font-weight: 600; }

/* ==================== FEATURES ==================== */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-card {
  background: var(--bg-card2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  transition: all 0.3s;
}
.feature-card:hover { border-color: var(--border-glow); box-shadow: var(--shadow-glow); transform: translateY(-4px); }
.feature-card-highlight { border-color: rgba(37,211,102,0.25); background: linear-gradient(135deg, rgba(37,211,102,0.05), var(--bg-card2)); grid-column: span 2; }
.feature-icon { font-size: 32px; margin-bottom: 14px; }
.feature-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { color: var(--text-secondary); font-size: 13px; line-height: 1.7; }

/* ==================== USE CASES ==================== */
.usecase-tabs { display: flex; gap: 8px; margin-bottom: 40px; }
.uc-tab {
  padding: 10px 24px; border-radius: 100px; font-size: 14px; font-weight: 600;
  border: 1px solid var(--border); background: transparent; color: var(--text-secondary);
  cursor: pointer; transition: all 0.2s;
}
.uc-tab.active { background: var(--green); color: #000; border-color: var(--green); }
.uc-tab:hover:not(.active) { border-color: var(--border-glow); color: var(--text-primary); }
.usecase-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.uc-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  transition: all 0.3s;
}
.uc-card:hover { border-color: var(--border-glow); transform: translateY(-4px); }
.uc-icon { font-size: 36px; margin-bottom: 14px; }
.uc-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.uc-card p { color: var(--text-secondary); font-size: 13px; line-height: 1.6; margin-bottom: 16px; }
.uc-example {
  background: rgba(37,211,102,0.06); border: 1px solid rgba(37,211,102,0.15);
  border-radius: 10px; padding: 10px 12px;
  font-size: 12px; color: var(--green); font-style: italic;
}

/* ==================== PRICING ==================== */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; margin-bottom: 40px; }
.price-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px;
  position: relative; transition: all 0.3s;
}
.price-card:hover { transform: translateY(-4px); }
.price-card-popular {
  border-color: var(--green); background: linear-gradient(160deg, rgba(37,211,102,0.08), var(--bg-card));
  box-shadow: 0 0 60px rgba(37,211,102,0.15);
}
.popular-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--green); color: #000; padding: 4px 16px; border-radius: 100px;
  font-size: 12px; font-weight: 800; white-space: nowrap;
}
.price-label { font-size: 14px; font-weight: 700; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px; }
.price-amount { font-size: 48px; font-weight: 900; letter-spacing: -2px; color: var(--text-primary); }
.price-amount span { font-size: 20px; color: var(--text-secondary); }
.price-cycle { font-size: 12px; color: var(--text-muted); margin-bottom: 28px; }
.price-features { list-style: none; margin-bottom: 32px; display: flex; flex-direction: column; gap: 10px; }
.price-features li { font-size: 14px; color: var(--text-secondary); }
.price-btn {
  display: block; text-align: center; text-decoration: none;
  padding: 14px 24px; border-radius: 10px; font-size: 14px; font-weight: 700;
  border: 1px solid var(--border); color: var(--text-secondary); transition: all 0.2s;
}
.price-btn:hover { border-color: var(--green); color: var(--green); }
.price-btn-primary { background: var(--green); color: #000; border-color: var(--green); }
.price-btn-primary:hover { background: #20bb5a; color: #000; }
.pricing-note {
  background: rgba(37,211,102,0.06); border: 1px solid rgba(37,211,102,0.15);
  border-radius: 12px; padding: 16px 20px; font-size: 13px; color: var(--text-secondary); line-height: 1.7;
}
.pricing-note a { color: var(--green); }

/* ==================== TESTIMONIALS ==================== */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testi-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; transition: all 0.3s;
}
.testi-card:hover { transform: translateY(-4px); }
.testi-card-highlight { border-color: rgba(37,211,102,0.25); background: linear-gradient(135deg, rgba(37,211,102,0.05), var(--bg-card)); }
.testi-stars { font-size: 18px; margin-bottom: 16px; }
.testi-card p { color: var(--text-secondary); font-size: 14px; line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 12px; }
.testi-avatar {
  width: 40px; height: 40px; background: linear-gradient(135deg, #25D366, #128C7E);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 800; color: white;
}
.testi-name { font-size: 14px; font-weight: 700; }
.testi-biz { font-size: 12px; color: var(--text-muted); }

/* ==================== CTA SECTION ==================== */
.cta-section {
  padding: 100px 24px; text-align: center;
  background: linear-gradient(180deg, var(--bg-dark), var(--bg-deep));
  position: relative; overflow: hidden;
}
.cta-orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.2; }
.cta-orb-1 { width: 400px; height: 400px; background: var(--green); top: -100px; left: -80px; }
.cta-orb-2 { width: 300px; height: 300px; background: var(--accent); bottom: -80px; right: -60px; }
.cta-inner { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
.cta-inner h2 { font-size: clamp(32px, 4vw, 48px); font-weight: 900; letter-spacing: -1.5px; margin-bottom: 16px; line-height: 1.15; }
.cta-inner p { color: var(--text-secondary); font-size: 17px; margin-bottom: 36px; }
.cta-guarantee { margin-top: 20px; font-size: 13px; color: var(--text-muted); }

/* ==================== FOOTER ==================== */
.footer {
  background: #010810; border-top: 1px solid var(--border);
  padding: 80px 24px 40px;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 1200px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--green-glow), transparent);
}

.footer-inner { max-width: 1200px; margin: 0 auto; }

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand { display: flex; flex-direction: column; gap: 20px; }
.footer-brand p { color: var(--text-secondary); font-size: 14px; line-height: 1.7; max-width: 260px; opacity: 0.7; }

.footer-social { display: flex; gap: 12px; margin-top: 8px; }
.social-link {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); transition: all 0.3s;
  text-decoration: none;
}
.social-link:hover {
  background: var(--green-glow); border-color: var(--green); color: var(--green);
  transform: translateY(-3px);
}
.social-link svg { width: 18px; height: 18px; fill: currentColor; }

.footer-col { display: flex; flex-direction: column; gap: 16px; }
.footer-col h4 {
  font-size: 12px; font-weight: 800; color: var(--text-primary);
  text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 4px;
}
.footer-col a {
  color: var(--text-secondary); text-decoration: none; font-size: 14px;
  transition: all 0.2s; opacity: 0.7;
}
.footer-col a:hover { color: var(--green); opacity: 1; transform: translateX(4px); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-bottom p { font-size: 13px; color: var(--text-muted); line-height: 1.5; }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1100px) {
  .hero-mockup { display: none; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card-highlight { grid-column: span 1; }
  .steps-grid { grid-template-columns: 1fr; }
  .step-connector { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { padding: 100px 20px 60px; }
  .hero-title { letter-spacing: -1px; }
  .usecase-grid, .pricing-grid, .testimonials-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  
  .footer { padding: 60px 24px 30px; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .footer-brand { align-items: center; }
  .footer-brand p { max-width: 100%; }
  .footer-social { justify-content: center; }
  .footer-col a:hover { transform: none; }
  .footer-bottom { justify-content: center; text-align: center; }
}