:root {
  --bg: #ffffff;
  --bg-soft: #f7f7fb;
  --panel: rgba(0,0,0,0.04);
  --panel-strong: rgba(0,0,0,0.08);
  --text: #0b0c12;
  --muted: #4f5563;
  --accent: #1a73e8;
  --accent-2: #f39c12;
  --border: rgba(0,0,0,0.12);
  --shadow: 0 20px 60px rgba(16,24,40,0.12);
}

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

body {
  font-family: 'Manrope', sans-serif;
  background: radial-gradient(circle at top, #ffffff 0%, #f5f7fb 55%, #eef2f8 100%);
  color: var(--text);
  line-height: 1.7;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  z-index: 999;
  box-shadow: 0 0 12px rgba(26,115,232,0.35);
}

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

img {
  max-width: 100%;
  display: block;
}

.hero {
  padding: 28px 20px 64px;
  background: linear-gradient(120deg, rgba(26,115,232,0.12), transparent 60%),
    radial-gradient(circle at 90% 10%, rgba(243,156,18,0.12), transparent 60%);
  position: relative;
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: '';
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.25;
  animation: floatGlow 10s ease-in-out infinite;
  z-index: 0;
}

.hero::before {
  background: #1a73e8;
  top: -80px;
  left: -80px;
}

.hero::after {
  background: #f39c12;
  bottom: -100px;
  right: -60px;
  animation-delay: 2s;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(18px);
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  z-index: 10;
  transition: all 0.3s ease;
}

.nav.scrolled {
  padding: 8px 14px;
  background: rgba(255,255,255,0.95);
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(26,115,232,0.35);
}

.brand-text {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 1px;
}

.nav-links {
  display: none;
  gap: 18px;
  font-size: 14px;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--text);
}

.nav-toggle {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 10px;
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--text);
  display: block;
  border-radius: 2px;
}

.nav-links.open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 56px;
  right: 12px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  gap: 10px;
  box-shadow: var(--shadow);
  z-index: 20;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all 0.25s ease;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(26,115,232,0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(26,115,232,0.25);
}

.btn-ghost {
  border-color: var(--border);
  color: var(--text);
  background: transparent;
}

.hero-grid {
  display: grid;
  gap: 32px;
  margin-top: 32px;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 42px;
  line-height: 1.1;
  letter-spacing: 1px;
  margin: 12px 0 16px;
}

.eyebrow {
  color: var(--accent-2);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.lead {
  color: var(--muted);
  font-size: 16px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 12px;
}

.hero-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.badge {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  font-size: 13px;
}

.hero-visual {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: #ffffff;
}

.floating-cards {
  position: absolute;
  inset: auto 16px 16px auto;
  display: grid;
  gap: 10px;
}

.float-card {
  background: rgba(255,255,255,0.86);
  border: 1px solid var(--border);
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 12px;
  animation: floatCard 6s ease-in-out infinite;
}

.float-card:nth-child(2) { animation-delay: 0.6s; }
.float-card:nth-child(3) { animation-delay: 1.2s; }

@keyframes floatGlow {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(20px) scale(1.05); }
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.section {
  padding: 60px 20px;
}

.section-head {
  max-width: 900px;
  margin: 0 auto 36px;
  text-align: center;
}

.section-head h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 32px;
  letter-spacing: 1px;
}

.section-head p {
  color: var(--muted);
  margin-top: 12px;
}

.keyword-line {
  font-size: 14px;
  color: var(--muted);
}

.alert {
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(243, 156, 18, 0.12);
  border: 1px solid rgba(243, 156, 18, 0.3);
  color: #7a4d00;
}

.grid-3, .grid-4 {
  display: grid;
  gap: 18px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: 16px;
  backdrop-filter: blur(12px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-grid {
  display: grid;
  gap: 18px;
  justify-items: center;
}

.product {
  background: var(--panel);
  border-radius: 18px;
  border: 1px solid var(--border);
  overflow: hidden;
  display: grid;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  max-width: 360px;
  width: 100%;
}

.product-body {
  padding: 18px;
}

.product img {
  width: 100%;
  height: auto;
}

.tag {
  display: inline-block;
  margin-top: 10px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(26,115,232,0.14);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
}

.table-wrap {
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--panel);
  margin-top: 18px;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.compare-table th, .compare-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.compare-table thead {
  background: rgba(0,0,0,0.04);
}

.grid-4 .tile {
  background: linear-gradient(160deg, rgba(26,115,232,0.08), rgba(255,255,255,0.6));
  padding: 20px;
  border-radius: 16px;
  border: 1px solid var(--border);
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.icon-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}

.icon-card img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.seo-paragraph {
  margin-top: 16px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.tutorial-group {
  display: grid;
  gap: 20px;
}

.tutorial {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  background: var(--panel);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tutorial h3 {
  margin-bottom: 12px;
}

.tutorial-block {
  margin-bottom: 14px;
}

.tutorial-block h4 {
  margin-bottom: 6px;
  color: var(--accent-2);
}

.tutorial ul {
  list-style: disc;
  padding-left: 20px;
  color: var(--muted);
}

.tutorial-note {
  padding: 12px;
  background: rgba(26,115,232,0.08);
  border: 1px solid rgba(26,115,232,0.2);
  border-radius: 12px;
}

.verify-grid {
  display: grid;
  gap: 16px;
}

.verify-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  background: var(--panel);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.verify-card ul {
  list-style: disc;
  padding-left: 20px;
  color: var(--muted);
}

.media-row {
  margin-top: 24px;
  display: grid;
  gap: 16px;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.media-row.reverse {
  direction: rtl;
}

.media-row.reverse .media-text {
  direction: ltr;
}

.media-figure {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.media-text h3 {
  margin-bottom: 8px;
}

.reference {
  margin-top: 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  background: rgba(0,0,0,0.04);
}

.reference ul {
  list-style: disc;
  padding-left: 20px;
  color: var(--muted);
}

.reference a {
  color: var(--accent);
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  border-left: 2px solid var(--accent);
  padding-left: 16px;
  background: var(--panel);
  border-radius: 12px;
  padding: 16px 16px 16px 20px;
}

.timeline-time {
  font-weight: 700;
  color: var(--accent-2);
}

.faq {
  display: grid;
  gap: 16px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  background: var(--panel);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.icon-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-glow:hover,
.product:hover,
.card:hover,
.tutorial:hover,
.verify-card:hover,
.media-row:hover,
.faq-item:hover,
.icon-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(16,24,40,0.18);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: all 0.6s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.footer {
  padding: 40px 20px 24px;
  background: #f4f6fb;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  gap: 20px;
}

.footer-grid h4 {
  margin-bottom: 8px;
}

.footer-grid a {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 14px;
}

.footer-bottom {
  text-align: center;
  margin-top: 24px;
  color: var(--muted);
  font-size: 13px;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }

  .nav-links.open {
    position: static;
    flex-direction: row;
    background: transparent;
    border: none;
    padding: 0;
    box-shadow: none;
  }

  .nav-toggle {
    display: none;
  }

  .hero {
    padding: 36px 60px 80px;
  }

  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }

  .section {
    padding: 80px 60px;
  }

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

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }

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

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

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

  .icon-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .media-row {
    grid-template-columns: 1fr 1fr;
  }

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

@media (min-width: 1200px) {
  .hero-content h1 {
    font-size: 58px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}