/* =============================================
   SmartAutomation — Landing Page
   ============================================= */

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

:root {
  --bg: #0a0f1e;
  --bg2: #111827;
  --bg3: #1e2a3a;
  --accent: #3b82f6;
  --accent-dark: #2563eb;
  --accent-light: #93c5fd;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: rgba(255,255,255,0.08);
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; text-decoration: none; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover { border-color: var(--accent-light); color: var(--accent-light); }
.btn-nav {
  background: var(--accent);
  color: #fff;
  padding: 8px 18px;
  font-size: 14px;
}
.btn-full { width: 100%; }

/* ── NAV ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,15,30,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.logo { font-size: 20px; font-weight: 800; letter-spacing: -0.5px; }
.logo span { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-links a { font-size: 14px; color: var(--text-muted); transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 22px; cursor: pointer; }

/* ── HERO ── */
.hero {
  padding: 100px 0 80px;
  background: radial-gradient(ellipse at 60% 0%, rgba(59,130,246,0.12) 0%, transparent 70%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.badge {
  display: inline-block;
  background: rgba(59,130,246,0.15);
  color: var(--accent-light);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: 100px;
  padding: 4px 14px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero p {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* Phone mockup */
.phone-mockup {
  background: #1c2333;
  border-radius: 36px;
  padding: 16px;
  border: 2px solid rgba(255,255,255,0.1);
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
  max-width: 260px;
  margin: 0 auto;
}
.phone-screen {
  background: var(--bg2);
  border-radius: 24px;
  padding: 24px 16px;
  min-height: 360px;
}
.app-header {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 20px;
  text-align: center;
}
.app-location {
  background: var(--bg3);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
}
.location-name { font-size: 13px; font-weight: 600; color: var(--accent-light); }
.app-btn {
  display: block;
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 10px;
  text-align: left;
  transition: background 0.2s;
}
.app-btn:hover { background: var(--accent-dark); }
.app-btn.secondary { background: var(--bg3); color: var(--text); }

/* ── PROBLEM ── */
.problem {
  padding: 80px 0;
  background: var(--bg2);
}
.problem h2, .how-it-works h2, .features h2, .pricing h2, .faq h2, .contact h2 {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.5px;
  text-align: center;
  margin-bottom: 48px;
}
.section-sub {
  text-align: center;
  color: var(--text-muted);
  font-size: 18px;
  margin-top: -32px;
  margin-bottom: 48px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.problem-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
}
.problem-icon { font-size: 36px; display: block; margin-bottom: 12px; }
.problem-card p { color: var(--text-muted); font-size: 15px; }

/* ── HOW IT WORKS ── */
.how-it-works { padding: 80px 0; }
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}
.step {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
}
.step-number {
  width: 40px;
  height: 40px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.step h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.step p { color: var(--text-muted); font-size: 15px; }

/* ── FEATURES ── */
.features { padding: 80px 0; background: var(--bg2); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.feature-icon { font-size: 32px; margin-bottom: 12px; }
.feature-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { color: var(--text-muted); font-size: 15px; }

/* ── PRICING ── */
.pricing { padding: 80px 0; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 780px;
  margin: 0 auto 24px;
}
.pricing-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  position: relative;
}
.pricing-card--highlight {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--bg2), #0d1b35);
}
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}
.pricing-label { font-size: 12px; font-weight: 600; color: var(--accent-light); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.pricing-name { font-size: 20px; font-weight: 700; margin-bottom: 20px; }
.pricing-price { margin-bottom: 28px; }
.price-setup { display: block; font-size: 14px; color: var(--text-muted); margin-bottom: 6px; }
.price-monthly { display: block; font-size: 42px; font-weight: 800; letter-spacing: -1px; }
.price-monthly span { font-size: 18px; font-weight: 500; color: var(--text-muted); }
.price-save { display: inline-block; background: rgba(34,197,94,0.15); color: #4ade80; border-radius: 100px; padding: 2px 10px; font-size: 13px; font-weight: 600; margin-top: 6px; }
.pricing-features { list-style: none; margin-bottom: 28px; }
.pricing-features li { padding: 8px 0; font-size: 15px; border-bottom: 1px solid var(--border); }
.pricing-features li:last-child { border-bottom: none; }
.pricing-note { text-align: center; color: var(--text-muted); font-size: 14px; }

/* ── FAQ ── */
.faq { padding: 80px 0; background: var(--bg2); }
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item summary {
  padding: 20px 0;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::after { content: '+'; font-size: 22px; color: var(--accent); transition: transform 0.2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 0 20px; color: var(--text-muted); font-size: 15px; }

/* ── CONTACT ── */
.contact { padding: 80px 0; }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-text h2 { text-align: left; }
.contact-text p { color: var(--text-muted); font-size: 17px; margin-bottom: 32px; }
.contact-info p { margin-bottom: 12px; font-size: 16px; }
.contact-info a { color: var(--accent-light); }
.contact-form {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
}
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--text-muted); }
.form-group input, .form-group textarea {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-legal { text-align: center; font-size: 12px; color: var(--text-muted); margin-top: 12px; }
.form-legal a { color: var(--accent-light); }

/* ── FOOTER ── */
.footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-nav { display: flex; gap: 24px; }
.footer-nav a { font-size: 13px; color: var(--text-muted); transition: color 0.2s; }
.footer-nav a:hover { color: var(--text); }
.footer-copy { font-size: 13px; color: var(--text-muted); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .contact-inner { grid-template-columns: 1fr; }
  .contact-text h2 { text-align: center; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-nav { justify-content: center; }
}