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

:root {
  --primary: #0D9488;
  --primary-dark: #0B7C72;
  --primary-light: #14B8A6;
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --dark: #1F2937;
  --dark-light: #374151;
  --light: #F9FAFB;
  --gray: #6B7280;
  --gray-light: #E5E7EB;
  --white: #FFFFFF;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--dark);
  line-height: 1.6;
  background: var(--white);
}

a {
  color: var(--primary);
  text-decoration: none;
}

img {
  max-width: 100%;
}

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

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  color: var(--dark);
}

.section-subtitle {
  text-align: center;
  color: var(--gray);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto 48px;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-light);
  transition: box-shadow 0.3s ease;
}

.navbar.scrolled {
  box-shadow: var(--shadow);
}

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

.logo {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.5px;
}

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

.nav-cta {
  display: inline-block;
  padding: 8px 20px;
  background: var(--primary);
  color: var(--white);
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.875rem;
  transition: background 0.2s ease;
}

.nav-cta:hover {
  background: var(--primary-dark);
  color: var(--white);
}

/* ===== Hero ===== */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(165deg, var(--light) 0%, var(--white) 50%, #ECFDF5 100%);
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: #ECFDF5;
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid #A7F3D0;
}

.hero h1 {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -1px;
  color: var(--dark);
}

.hero h1 em {
  font-style: normal;
  color: var(--primary);
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--gray);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

/* ===== Email Form ===== */
.email-form {
  display: flex;
  gap: 12px;
  max-width: 460px;
  margin: 0 auto;
  justify-content: center;
}

.email-form input[type="email"] {
  flex: 1;
  padding: 14px 18px;
  border: 2px solid var(--gray-light);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease;
  min-width: 0;
}

.email-form input[type="email"]:focus {
  border-color: var(--primary);
}

.email-form input[type="email"]::placeholder {
  color: #9CA3AF;
}

.btn-primary {
  padding: 14px 28px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
  white-space: nowrap;
  font-family: inherit;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-primary:active {
  transform: scale(0.98);
}

.form-note {
  font-size: 0.8125rem;
  color: var(--gray);
  margin-top: 12px;
}

.form-success {
  display: none;
  padding: 16px 24px;
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
  border-radius: 10px;
  color: var(--primary-dark);
  font-weight: 600;
  max-width: 460px;
  margin: 0 auto;
}

.form-success.show {
  display: block;
}

/* ===== Hero Visual ===== */
.hero-visual {
  margin-top: 56px;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stat {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: 14px;
  padding: 24px 32px;
  text-align: center;
  box-shadow: var(--shadow);
}

.hero-stat .number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--gray);
  margin-top: 4px;
}

/* ===== How It Works ===== */
.how-it-works {
  background: var(--white);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.step {
  text-align: center;
  padding: 32px 24px;
  border-radius: 16px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.step-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: #ECFDF5;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.step-number {
  display: inline-block;
  width: 28px;
  height: 28px;
  line-height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-size: 0.8125rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.step h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step p {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ===== Why Section ===== */
.why-section {
  background: var(--light);
}

.benefits {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.benefit {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: var(--white);
  border-radius: 14px;
  border: 1px solid var(--gray-light);
  transition: border-color 0.2s ease;
}

.benefit:hover {
  border-color: var(--primary-light);
}

.benefit-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: #FEF3C7;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.benefit h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.benefit p {
  color: var(--gray);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ===== Example Deal ===== */
.example-deal {
  background: var(--white);
}

.deal-card {
  max-width: 640px;
  margin: 0 auto;
  background: linear-gradient(145deg, var(--dark) 0%, var(--dark-light) 100%);
  border-radius: 20px;
  padding: 40px;
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.deal-card-header {
  text-align: center;
  margin-bottom: 32px;
}

.deal-card-header .tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(245, 158, 11, 0.2);
  color: var(--accent);
  border-radius: 50px;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.deal-card-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
}

.deal-card-header p {
  color: #9CA3AF;
  margin-top: 4px;
  font-size: 0.95rem;
}

.tiers {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tier {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 0.2s ease;
}

.tier:hover {
  background: rgba(255, 255, 255, 0.12);
}

.tier.best {
  background: rgba(13, 148, 136, 0.25);
  border-color: var(--primary);
}

.tier-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tier-buyers {
  font-size: 0.9rem;
  color: #D1D5DB;
}

.tier-buyers strong {
  color: var(--white);
  font-size: 1.1rem;
}

.tier-discount {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--accent);
}

.tier.best .tier-discount {
  font-size: 1.5rem;
}

.best-label {
  display: inline-block;
  padding: 2px 10px;
  background: var(--accent);
  color: var(--dark);
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===== Footer CTA ===== */
.footer-cta {
  background: linear-gradient(165deg, #042F2E 0%, var(--dark) 100%);
  color: var(--white);
  text-align: center;
  padding: 80px 0;
}

.footer-cta .section-title {
  color: var(--white);
}

.footer-cta .section-subtitle {
  color: #9CA3AF;
}

.footer-cta .email-form input[type="email"] {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.footer-cta .email-form input[type="email"]::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.footer-cta .email-form input[type="email"]:focus {
  border-color: var(--primary-light);
}

.footer-cta .form-note {
  color: #9CA3AF;
}

.footer-cta .form-success {
  background: rgba(13, 148, 136, 0.2);
  border-color: var(--primary);
  color: var(--primary-light);
}

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  border-top: 1px solid var(--dark-light);
  padding: 24px 0;
  text-align: center;
}

.footer p {
  color: #6B7280;
  font-size: 0.85rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero {
    padding: 120px 0 60px;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero-sub {
    font-size: 1.1rem;
  }

  .email-form {
    flex-direction: column;
    max-width: 360px;
  }

  .btn-primary {
    width: 100%;
  }

  .hero-visual {
    margin-top: 40px;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.65rem;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 400px;
    margin: 0 auto;
  }

  .benefits {
    grid-template-columns: 1fr;
  }

  .deal-card {
    padding: 28px 20px;
  }

  .tier {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .tier-left {
    flex-direction: column;
    gap: 4px;
  }

  .footer-cta {
    padding: 60px 0;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.85rem;
  }

  .hero-stat {
    padding: 18px 24px;
  }

  .hero-stat .number {
    font-size: 1.65rem;
  }
}