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

/* ===== VARIABLES ===== */
:root {
  --primary: #0F766E;
  --primary-hover: #0C857B;
  --primary-light: #CCFBF1;
  --accent: #B45309;
  --accent-hover: #92400E;
  --accent-light: #FEF3C7;
  --success: #15803D;
  --gray-900: #111827;
  --gray-700: #374151;
  --gray-500: #6B7280;
  --gray-300: #9CA3AF;
  --gray-100: #E5E7EB;
  --bg: #FFFFFF;
  --bg-alt: #F9FAFB;
  --surface: #F0FDFA;
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --max-width: 1080px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
  --transition: 200ms ease;
}

/* ===== BASE ===== */
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--gray-700);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-hover); }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ===== SKIP LINK (accessibility) ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--primary);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-size: 14px;
  font-weight: 500;
}
.skip-link:focus { top: 16px; }

/* ===== CONTAINER ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== NAV ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border-radius: var(--radius-sm);
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-500);
}
.nav-links a:hover { color: var(--gray-900); }
.nav-links a.btn-primary { color: #fff; }
.nav-links a.btn-primary:hover { color: #fff; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(15,118,110,0.25);
}
.btn-primary:hover {
  background: var(--primary-hover);
  color: #fff;
  box-shadow: 0 4px 16px rgba(15,118,110,0.3);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg);
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}
.btn-secondary:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(217,119,6,0.25);
}
.btn-accent:hover {
  background: var(--accent-hover);
  color: #fff;
}

.btn-lg { padding: 16px 36px; font-size: 16px; }

/* ===== HERO ===== */
.hero {
  padding: 80px 0 64px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero h1 span {
  color: var(--primary);
}

.hero p {
  font-size: clamp(16px, 2.5vw, 19px);
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.hero-proof-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--gray-500);
}

.hero-proof-item svg { flex-shrink: 0; }

/* ===== HOW IT WORKS ===== */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.section-header p {
  font-size: 17px;
  color: var(--gray-500);
  max-width: 520px;
  margin: 0 auto;
}

/* ===== STEPS ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step-card {
  background: var(--bg);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
}

.step-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.step-number {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

.step-card h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ===== FEATURES ===== */
.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  display: flex;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  transition: box-shadow var(--transition);
}

.feature-card:hover { box-shadow: var(--shadow-sm); }

.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.feature-card p {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.5;
}

/* ===== PRICING ===== */
.pricing {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 720px;
  margin: 0 auto;
}

.price-card {
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
}

.price-card.popular {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-md);
}

.price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.price-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.price-amount {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 700;
  color: var(--gray-900);
  margin: 16px 0 4px;
}

.price-amount span {
  font-size: 16px;
  font-weight: 500;
  color: var(--gray-500);
}

.price-desc {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 24px;
}

.price-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.price-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--gray-700);
}

.price-features svg { flex-shrink: 0; margin-top: 2px; }

/* ===== CTA ===== */
.cta {
  padding: 80px 0;
  text-align: center;
  background: var(--surface);
}

.cta h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.cta p {
  font-size: 17px;
  color: var(--gray-500);
  margin-bottom: 28px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== FOOTER ===== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--gray-100);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  font-size: 13px;
  color: var(--gray-500);
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 13px;
  color: var(--gray-500);
}
.footer-links a:hover { color: var(--gray-900); }

/* ===== LEGAL PAGES ===== */
.legal {
  padding: 64px 0 80px;
  max-width: 720px;
  margin: 0 auto;
}

.legal h1 {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.legal .updated {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 40px;
}

.legal h2 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--gray-900);
  margin: 32px 0 12px;
}

.legal p, .legal li {
  font-size: 15px;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 12px;
}

.legal ul {
  padding-left: 24px;
  margin-bottom: 16px;
}

.legal a { text-decoration: underline; }

/* ===== SUPPORT PAGE ===== */
.support-card {
  background: var(--bg);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  max-width: 480px;
  margin: 0 auto;
}

.support-card h2 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.support-card p {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 20px;
}

.support-email {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { padding: 48px 0 40px; }
  .section { padding: 56px 0; }
  .steps { grid-template-columns: 1fr; gap: 16px; }
  .features { grid-template-columns: 1fr; }
  .pricing { grid-template-columns: 1fr; max-width: 400px; }
  .nav-links { display: none; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn-lg { width: 100%; max-width: 320px; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero { padding: 32px 0; }
  .step-card { padding: 24px 16px; }
  .feature-card { padding: 16px; }
  .price-card { padding: 24px; }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ===== HIGH CONTRAST ===== */
@media (prefers-contrast: high) {
  :root {
    --gray-500: #4B5563;
    --gray-300: #9CA3AF;
  }
  .step-card, .feature-card, .price-card {
    border-width: 2px;
  }
}