/* ===== FlowTok Ads — Landing Page Styles ===== */

:root {
  --primary-blue: #2246F3;
  --primary-purple: #7832F0;
  --primary-gradient: linear-gradient(225deg, #2246F3 0%, #7832F0 100%);
  --text-primary: #1D1D1D;
  --text-secondary: #6B7280;
  --bg-light: #F8F9FB;
  --white: #FFFFFF;
  --border-color: #E5E7EB;
  --font-family: -apple-system, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Arial, sans-serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--text-primary);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow 0.3s;
}

.navbar.scrolled {
  box-shadow: 0 1px 12px rgba(0,0,0,0.08);
}

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

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-primary);
  font-size: 17px;
  font-weight: 700;
}

.navbar-logo .logo-svg {
  width: 21px;
  height: 27px;
}

.navbar-links {
  display: none;
  align-items: center;
  gap: 32px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--text-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-family: var(--font-family);
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
  border-radius: 12px;
}

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

.btn-nav {
  display: none;
  height: 40px;
  padding: 0 20px;
  background: var(--text-primary);
  color: var(--white);
  font-size: 14px;
  border-radius: 10px;
}

.btn-primary-lg {
  height: 52px;
  padding: 0 32px;
  background: var(--text-primary);
  color: var(--white);
  font-size: 16px;
  border-radius: 14px;
}

.btn-outline-lg {
  height: 52px;
  padding: 0 32px;
  background: transparent;
  color: var(--text-primary);
  font-size: 16px;
  border: 1.5px solid var(--border-color);
  border-radius: 14px;
}

.btn-outline-lg:hover {
  border-color: var(--text-primary);
}

.btn-white-lg {
  height: 52px;
  padding: 0 32px;
  background: var(--white);
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  border-radius: 14px;
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 0 20px 20px;
  gap: 8px;
  background: var(--white);
  border-top: 1px solid var(--border-color);
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu-link {
  display: block;
  padding: 12px 0;
  text-decoration: none;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 500;
  border-bottom: 1px solid var(--border-color);
}

.mobile-menu-btn {
  margin-top: 8px;
  width: 100%;
  height: 48px;
  background: var(--text-primary);
  color: var(--white);
  font-size: 15px;
  border-radius: 12px;
}

/* ===== Hero ===== */
.hero {
  padding: 120px 0 60px;
  text-align: center;
}

.hero-inner {
  max-width: 720px;
  margin: 0 auto;
}

.hero-title {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.hero-highlight {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

/* ===== Stats ===== */
.stats {
  padding: 40px 0;
  background: var(--bg-light);
}

.stats-inner {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.stat-card {
  text-align: center;
  padding: 24px 32px;
  background: var(--white);
  border-radius: 16px;
  min-width: 160px;
  flex: 1;
  max-width: 240px;
}

.stat-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-purple);
  margin-bottom: 4px;
}

.stat-text {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ===== Section titles ===== */
.section-title {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 40px;
}

/* ===== Features ===== */
.features {
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.feature-card {
  padding: 28px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  transition: box-shadow 0.2s;
}

.feature-card:hover {
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== How it works ===== */
.how-it-works {
  padding: 80px 0;
  background: var(--bg-light);
}

.how-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.how-column-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--primary-purple);
}

.how-column-title--blogger {
  color: var(--primary-blue);
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.how-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.how-step-num {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 10px;
  background: var(--primary-gradient);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
}

.how-step-num--blogger {
  background: linear-gradient(225deg, #37D5FA 0%, #2246F3 100%);
}

.how-step h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.how-step p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ===== Pricing ===== */
.pricing {
  padding: 80px 0;
}

.pricing-card {
  max-width: 500px;
  margin: 0 auto;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.pricing-header {
  padding: 28px 28px 20px;
  text-align: center;
}

.pricing-header h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
}

.pricing-header p {
  font-size: 14px;
  color: var(--text-secondary);
}

.pricing-body {
  padding: 0 28px;
}

.pricing-item {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-top: 1px solid var(--border-color);
}

.pricing-label {
  font-size: 15px;
  color: var(--text-secondary);
}

.pricing-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.pricing-btn {
  margin: 24px 28px 28px;
  width: calc(100% - 56px);
}

/* ===== CTA Banner ===== */
.cta-banner {
  padding: 80px 0;
  background: var(--primary-gradient);
}

.cta-inner {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.cta-banner h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.cta-banner p {
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 28px;
  line-height: 1.5;
}

/* ===== Footer ===== */
.footer {
  padding: 48px 0 32px;
  background: #1A1A2E;
  color: rgba(255,255,255,0.7);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.footer-logo .logo-svg {
  width: 21px;
  height: 27px;
  flex-shrink: 0;
}

.footer-logo span {
  color: var(--white);
  font-size: 17px;
  font-weight: 700;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.5;
}

.footer-col h4 {
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 10px;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-copy {
  font-size: 13px;
  margin-top: 16px;
  color: rgba(255,255,255,0.4);
}

/* ===== Responsive: Tablet (≥768px) ===== */
@media (min-width: 768px) {
  .hero-title {
    font-size: 48px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .hero-cta {
    flex-direction: row;
    justify-content: center;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .how-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .navbar-links {
    display: flex;
  }

  .btn-nav {
    display: inline-flex;
  }

  .hamburger {
    display: none;
  }
}

/* ===== Responsive: Desktop (≥1024px) ===== */
@media (min-width: 1024px) {
  .hero-title {
    font-size: 56px;
  }

  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .stat-number {
    font-size: 40px;
  }

  .section-title {
    font-size: 36px;
  }
}