@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --bg-primary: #050a14;
  --bg-secondary: #0a1628;
  --bg-card: #0d1f3c;
  --accent-blue: #0ea5e9;
  --accent-cyan: #06b6d4;
  --accent-purple: #8b5cf6;
  --text-primary: #f0f4ff;
  --text-secondary: #8ba3c7;
  --text-muted: #4a6080;
  --border: rgba(14, 165, 233, 0.15);
  --glow: 0 0 30px rgba(14, 165, 233, 0.3);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── NAVBAR ── */
nav {
  position: fixed; top: 0; width: 100%; z-index: 1000;
  background: rgba(5, 10, 20, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
  transition: all 0.3s ease;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem; font-weight: 700;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  text-decoration: none;
}

.nav-logo span { color: var(--accent-purple); -webkit-text-fill-color: var(--accent-purple); }

.nav-links { display: flex; gap: 2rem; list-style: none; }

.nav-links a {
  color: var(--text-secondary); text-decoration: none;
  font-size: 0.9rem; font-weight: 500;
  transition: color 0.3s; position: relative;
}

.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent-blue);
  transition: width 0.3s ease;
}

.nav-links a:hover { color: var(--accent-blue); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: white !important; padding: 0.5rem 1.2rem;
  border-radius: 6px; font-weight: 600 !important;
  transition: opacity 0.3s, transform 0.2s !important;
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }
.nav-cta::after { display: none !important; }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #050a14 0%, #0a1628 50%, #050a14 100%);
  position: relative; overflow: hidden;
  display: flex; align-items: center;
  padding: 8rem 2rem 4rem;
}

.hero-bg {
  position: absolute; inset: 0;
  background-image: url('assets/images/hero-bg.png');
  background-size: cover; background-position: center;
  opacity: 0.15;
}

.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(14,165,233,0.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(14,165,233,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove { from { transform: translateY(0); } to { transform: translateY(60px); } }

.hero-glow {
  position: absolute; top: 20%; right: 10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(14,165,233,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative; max-width: 1200px; margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(14,165,233,0.1); border: 1px solid rgba(14,165,233,0.3);
  padding: 0.4rem 1rem; border-radius: 100px;
  font-size: 0.8rem; color: var(--accent-cyan);
  font-weight: 600; letter-spacing: 0.05em;
  margin-bottom: 1.5rem; width: fit-content;
  animation: pulse-border 2s ease-in-out infinite;
}

@keyframes pulse-border {
  0%, 100% { border-color: rgba(14,165,233,0.3); }
  50% { border-color: rgba(14,165,233,0.8); }
}

.hero-badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-cyan);
  animation: blink 1.5s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800; line-height: 1.1;
  margin-bottom: 1.5rem;
}

h1 .gradient-text {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.hero-desc {
  color: var(--text-secondary); font-size: 1.1rem;
  margin-bottom: 2.5rem; max-width: 480px;
}

.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: white; padding: 0.9rem 2rem;
  border-radius: 8px; text-decoration: none;
  font-weight: 700; font-size: 0.95rem;
  box-shadow: var(--glow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 50px rgba(14,165,233,0.5); }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1px solid var(--border); color: var(--text-primary);
  padding: 0.9rem 2rem; border-radius: 8px;
  text-decoration: none; font-weight: 600; font-size: 0.95rem;
  backdrop-filter: blur(10px);
  transition: border-color 0.3s, background 0.3s;
}
.btn-secondary:hover { border-color: var(--accent-blue); background: rgba(14,165,233,0.05); }

.hero-stats {
  display: flex; gap: 2rem; margin-top: 3rem;
  padding-top: 2rem; border-top: 1px solid var(--border);
}

.stat { text-align: center; }
.stat-number {
  display: block; font-size: 1.8rem; font-weight: 800;
  font-family: 'Space Grotesk', sans-serif;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 0.8rem; color: var(--text-muted); }

/* ── FEATURED CARD ── */
.hero-featured {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px; overflow: hidden;
  box-shadow: var(--glow);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.featured-img-wrapper {
  height: 220px; overflow: hidden; position: relative;
}

.featured-img-wrapper img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s;
}
.hero-featured:hover .featured-img-wrapper img { transform: scale(1.05); }

.featured-badge {
  position: absolute; top: 1rem; left: 1rem;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: white; padding: 0.3rem 0.8rem;
  border-radius: 100px; font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
}

.featured-body { padding: 1.5rem; }
.featured-category { color: var(--accent-cyan); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.5rem; }
.featured-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.8rem; line-height: 1.3; }
.featured-meta { display: flex; align-items: center; gap: 1rem; color: var(--text-muted); font-size: 0.8rem; }
.rating { color: #fbbf24; }

/* ── SECTIONS ── */
.section { padding: 6rem 2rem; max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-label { color: var(--accent-cyan); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 0.8rem; }
.section-title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(1.8rem, 3vw, 2.8rem); font-weight: 700; }
.section-subtitle { color: var(--text-secondary); margin-top: 1rem; font-size: 1.05rem; max-width: 500px; margin-inline: auto; }

/* ── CATEGORIES ── */
.categories-section { background: var(--bg-secondary); }
.categories-inner { max-width: 1200px; margin: 0 auto; padding: 5rem 2rem; }
.categories-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; }

.category-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.5rem 1rem;
  text-align: center; text-decoration: none;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  display: flex; flex-direction: column; align-items: center; gap: 0.8rem;
}
.category-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-blue);
  box-shadow: var(--glow);
}

.cat-icon { font-size: 2rem; }
.cat-name { color: var(--text-primary); font-weight: 600; font-size: 0.9rem; }
.cat-count { color: var(--text-muted); font-size: 0.75rem; }

/* ── ARTICLE CARDS ── */
.articles-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; }

.article-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  text-decoration: none; color: inherit; display: block;
}
.article-card:hover { transform: translateY(-6px); box-shadow: 0 20px 60px rgba(0,0,0,0.5), var(--glow); }

.article-thumb { height: 200px; overflow: hidden; position: relative; }
.article-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.article-card:hover .article-thumb img { transform: scale(1.08); }

.article-category-tag {
  position: absolute; top: 1rem; left: 1rem;
  background: rgba(14,165,233,0.15); border: 1px solid rgba(14,165,233,0.4);
  color: var(--accent-cyan); padding: 0.25rem 0.7rem;
  border-radius: 100px; font-size: 0.7rem; font-weight: 700;
  backdrop-filter: blur(10px); text-transform: uppercase; letter-spacing: 0.05em;
}

.article-body { padding: 1.5rem; }
.article-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.7rem; line-height: 1.4; }
.article-excerpt { color: var(--text-secondary); font-size: 0.85rem; margin-bottom: 1.2rem; line-height: 1.6; }
.article-meta { display: flex; justify-content: space-between; align-items: center; }
.article-author { display: flex; align-items: center; gap: 0.5rem; }
.author-avatar { width: 28px; height: 28px; border-radius: 50%; background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple)); display: flex; align-items: center; justify-content: center; font-size: 0.7rem; font-weight: 700; }
.author-name { color: var(--text-muted); font-size: 0.78rem; }
.article-date { color: var(--text-muted); font-size: 0.78rem; }

/* ── REVIEW SCORE ── */
.review-score { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1rem; }
.score-badge {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white; padding: 0.3rem 0.7rem;
  border-radius: 8px; font-weight: 800; font-size: 0.9rem;
}
.stars { color: #fbbf24; font-size: 0.85rem; }

/* ── NEWSLETTER ── */
.newsletter-section {
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 5rem 2rem;
}
.newsletter-inner { max-width: 600px; margin: 0 auto; text-align: center; }
.newsletter-inner h2 { font-family: 'Space Grotesk', sans-serif; font-size: 2rem; font-weight: 700; margin-bottom: 1rem; }
.newsletter-inner p { color: var(--text-secondary); margin-bottom: 2rem; }

.newsletter-form { display: flex; gap: 0.5rem; }
.newsletter-form input {
  flex: 1; background: var(--bg-primary);
  border: 1px solid var(--border); color: var(--text-primary);
  padding: 0.9rem 1.2rem; border-radius: 8px;
  font-family: inherit; font-size: 0.9rem;
  outline: none; transition: border-color 0.3s;
}
.newsletter-form input:focus { border-color: var(--accent-blue); }
.newsletter-form input::placeholder { color: var(--text-muted); }
.newsletter-form button {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: white; border: none; padding: 0.9rem 1.5rem;
  border-radius: 8px; font-weight: 700; cursor: pointer;
  font-family: inherit; white-space: nowrap;
  transition: opacity 0.3s, transform 0.2s;
}
.newsletter-form button:hover { opacity: 0.9; transform: translateY(-1px); }

/* ── FOOTER ── */
footer {
  background: #030710; padding: 4rem 2rem 2rem;
  border-top: 1px solid var(--border);
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand p { color: var(--text-secondary); font-size: 0.88rem; margin: 1rem 0; line-height: 1.7; }
.footer-col h4 { font-weight: 700; margin-bottom: 1.2rem; font-size: 0.9rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col ul a { color: var(--text-secondary); text-decoration: none; font-size: 0.85rem; transition: color 0.3s; }
.footer-col ul a:hover { color: var(--accent-blue); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 1.5rem; display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { color: var(--text-muted); font-size: 0.82rem; }
.social-links { display: flex; gap: 0.8rem; }
.social-link {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--bg-card); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); text-decoration: none; font-size: 0.9rem;
  transition: border-color 0.3s, color 0.3s, box-shadow 0.3s;
}
.social-link:hover { border-color: var(--accent-blue); color: var(--accent-blue); box-shadow: var(--glow); }

/* ── AMAZON BUTTON ── */
.amazon-btn {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  background: linear-gradient(135deg, #ff9900, #e47911);
  color: white; text-decoration: none;
  padding: 0.7rem 1.2rem; border-radius: 8px;
  font-weight: 700; font-size: 0.85rem;
  margin-top: 1rem; width: 100%;
  transition: opacity 0.2s, transform 0.2s;
  box-shadow: 0 4px 15px rgba(255,153,0,0.3);
}
.amazon-btn:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 6px 25px rgba(255,153,0,0.5); }

/* ── BEST DEALS ── */
.deals-section { background: var(--bg-secondary); padding: 6rem 2rem; }
.deals-inner { max-width: 1200px; margin: 0 auto; }
.deals-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.2rem; margin-top: 3rem; }

.deal-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 1.5rem;
  display: flex; flex-direction: column; gap: 0.8rem;
  transition: transform 0.3s, box-shadow 0.3s;
}
.deal-card:hover { transform: translateY(-4px); box-shadow: 0 20px 50px rgba(0,0,0,0.4); }
.deal-badge { background: rgba(239,68,68,0.15); color: #f87171; font-size: 0.72rem; font-weight: 700; padding: 0.2rem 0.6rem; border-radius: 100px; width: fit-content; letter-spacing: 0.05em; }
.deal-name { font-weight: 700; font-size: 0.95rem; line-height: 1.3; }
.deal-prices { display: flex; align-items: center; gap: 0.8rem; }
.deal-price-now { font-size: 1.4rem; font-weight: 800; color: #10b981; font-family: 'Space Grotesk', sans-serif; }
.deal-price-was { font-size: 0.85rem; color: var(--text-muted); text-decoration: line-through; }
.deal-discount { background: rgba(239,68,68,0.15); color: #f87171; font-size: 0.75rem; font-weight: 700; padding: 0.2rem 0.5rem; border-radius: 4px; }

/* ── ANIMATIONS ── */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .hero-content { grid-template-columns: 1fr; }
  .hero-featured { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .newsletter-form { flex-direction: column; }
}