/* =========================================================
   TheSeekr — styles.css
   Modern SaaS Review & Marketing Blog Platform
   ========================================================= */

/* ----- CSS Custom Properties ----- */
:root {
  --bg-primary:       #0a0f1e;
  --bg-secondary:     #111827;
  --bg-card:          #1a2236;
  --bg-card-hover:    #1f2a42;
  --bg-border:        #1e2d47;

  --accent-blue:      #3b82f6;
  --accent-purple:    #8b5cf6;
  --accent-teal:      #14b8a6;
  --accent-green:     #10b981;
  --accent-orange:    #f59e0b;
  --accent-pink:      #ec4899;

  --gradient-main:    linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --gradient-teal:    linear-gradient(135deg, #14b8a6 0%, #3b82f6 100%);
  --gradient-warm:    linear-gradient(135deg, #f59e0b 0%, #ec4899 100%);

  --text-primary:     #f1f5f9;
  --text-secondary:   #94a3b8;
  --text-muted:       #64748b;

  --radius-sm:        6px;
  --radius-md:        12px;
  --radius-lg:        18px;
  --radius-xl:        24px;
  --radius-full:      9999px;

  --shadow-sm:        0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:        0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg:        0 8px 40px rgba(0,0,0,0.5);
  --shadow-glow-blue: 0 0 40px rgba(59,130,246,0.15);
  --shadow-glow-purple: 0 0 40px rgba(139,92,246,0.15);

  --nav-height:       70px;
  --container-max:    1200px;
  --section-gap:      96px;

  --transition-fast:  0.15s ease;
  --transition-base:  0.25s ease;
  --transition-slow:  0.4s ease;
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

input {
  font-family: inherit;
}

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

.section-padding {
  padding: var(--section-gap) 0;
}

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

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before { opacity: 1; }

.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: 0 4px 20px rgba(59,130,246,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59,130,246,0.5);
}

.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--bg-border);
}

.btn-outline:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 12px 16px;
}

.btn-ghost:hover {
  color: var(--text-primary);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.875rem;
}

.btn-newsletter {
  background: var(--gradient-main);
  color: #fff;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-weight: 700;
  box-shadow: 0 4px 24px rgba(59,130,246,0.4);
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.btn-newsletter:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(59,130,246,0.55);
}

/* ----- Section Header ----- */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-blue);
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.section-title {
  font-family: 'Sora', sans-serif;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* =========================================================
   NAVIGATION
   ========================================================= */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background var(--transition-base), backdrop-filter var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  border-bottom: 1px solid transparent;
}

.nav-header.scrolled {
  background: rgba(10, 15, 30, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom-color: var(--bg-border);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text {
  font-family: 'Sora', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-search-btn:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.07);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.hamburger:hover { background: rgba(255,255,255,0.07); }

.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Search Overlay */
.search-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(10, 15, 30, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  display: flex;
  align-items: center;
  padding: 0 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  border-bottom: 1px solid var(--bg-border);
}

.search-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.search-overlay-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-overlay-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-size: 1.125rem;
  color: var(--text-primary);
  font-weight: 500;
}

.search-overlay-input::placeholder { color: var(--text-muted); }

.search-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.search-close-btn:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.07);
}

/* =========================================================
   HERO SECTION
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + 40px) 24px 80px;
  overflow: hidden;
}

/* Background */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.5), transparent 70%);
  top: -100px;
  right: -100px;
  animation: orbFloat 8s ease-in-out infinite;
}

.hero-orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(139,92,246,0.4), transparent 70%);
  bottom: -50px;
  left: -100px;
  animation: orbFloat 10s ease-in-out infinite reverse;
}

.hero-orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(20,184,166,0.3), transparent 70%);
  top: 40%;
  left: 30%;
  animation: orbFloat 12s ease-in-out infinite 2s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -30px) scale(1.05); }
  66% { transform: translate(-15px, 20px) scale(0.97); }
}

/* Hero Content */
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 820px;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 6px 14px 6px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 28px;
  cursor: pointer;
  transition: border-color var(--transition-base), background var(--transition-base);
}

.hero-badge:hover {
  background: rgba(59,130,246,0.08);
  border-color: rgba(59,130,246,0.3);
  color: var(--text-primary);
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 6px var(--accent-green);
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 6px var(--accent-green); }
  50% { box-shadow: 0 0 12px var(--accent-green), 0 0 24px rgba(16,185,129,0.4); }
}

.hero-title {
  font-family: 'Sora', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.08;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.175rem);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto 40px;
}

/* Hero Search */
.hero-search-wrapper {
  margin-bottom: 36px;
}

.hero-search-bar {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.05);
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  padding: 6px 6px 6px 20px;
  max-width: 600px;
  margin: 0 auto;
  gap: 12px;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}

.hero-search-bar:focus-within {
  border-color: var(--accent-blue);
  background: rgba(59,130,246,0.05);
  box-shadow: 0 0 0 4px rgba(59,130,246,0.12), var(--shadow-md);
}

.hero-search-icon {
  color: var(--text-muted);
  flex-shrink: 0;
  transition: color var(--transition-base);
}

.hero-search-bar:focus-within .hero-search-icon {
  color: var(--accent-blue);
}

.hero-search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-size: 0.9375rem;
  color: var(--text-primary);
  min-width: 0;
}

.hero-search-input::placeholder { color: var(--text-muted); }

.hero-search-submit {
  background: var(--gradient-main);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.hero-search-submit:hover {
  transform: scale(1.03);
  box-shadow: 0 4px 16px rgba(59,130,246,0.4);
}

.hero-search-hint {
  margin-top: 12px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.hero-search-hint a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.hero-search-hint a:hover { color: var(--accent-blue); }

/* Hero CTAs */
.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero-scroll-indicator span {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.scroll-line {
  width: 1.5px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-blue), transparent);
  animation: scrollLineDrop 2s ease-in-out infinite;
}

@keyframes scrollLineDrop {
  0%, 100% { opacity: 0.3; transform: scaleY(0.7); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* =========================================================
   STATS BAR
   ========================================================= */
.stats-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--bg-border);
  border-bottom: 1px solid var(--bg-border);
  padding: 40px 0;
}

.stats-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 16px 48px;
  text-align: center;
}

.stat-number {
  font-family: 'Sora', sans-serif;
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-suffix {
  font-family: 'Sora', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

/* inline stat number + suffix */
.stat-item:has(.stat-number) {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px;
}

.stat-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  width: 100%;
  text-align: center;
  margin-top: 4px;
}

.stat-icon {
  color: var(--accent-blue);
  margin-bottom: 4px;
  display: flex;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--bg-border);
  flex-shrink: 0;
}

/* =========================================================
   FEATURED ARTICLES
   ========================================================= */
.featured-section {
  background: var(--bg-primary);
}

.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 24px;
}

.featured-card-large {
  grid-row: 1 / 3;
}

/* Card base */
.featured-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  cursor: pointer;
}

.featured-card:hover {
  transform: translateY(-5px);
  border-color: rgba(59,130,246,0.25);
  box-shadow: var(--shadow-lg), var(--shadow-glow-blue);
}

/* Card Image */
.card-image {
  position: relative;
  height: 280px;
  overflow: hidden;
}

.card-image-sm {
  height: 180px;
}

.card-image-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.5;
}

.card-image-pattern-1 {
  background-image: radial-gradient(circle at 20% 80%, rgba(59,130,246,0.2) 0%, transparent 50%),
                    radial-gradient(circle at 80% 20%, rgba(139,92,246,0.2) 0%, transparent 50%);
}

.card-image-pattern-2 {
  background-image: radial-gradient(circle at 30% 70%, rgba(16,185,129,0.2) 0%, transparent 50%);
}

.card-image-pattern-3 {
  background-image: radial-gradient(circle at 70% 30%, rgba(139,92,246,0.2) 0%, transparent 50%);
}

.card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  z-index: 2;
}

.card-badge-blue {
  background: rgba(59,130,246,0.2);
  color: #93c5fd;
  border: 1px solid rgba(59,130,246,0.3);
}

.card-badge-green {
  background: rgba(16,185,129,0.2);
  color: #6ee7b7;
  border: 1px solid rgba(16,185,129,0.3);
}

.card-badge-purple {
  background: rgba(139,92,246,0.2);
  color: #c4b5fd;
  border: 1px solid rgba(139,92,246,0.3);
}

.card-image-decoration {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.floating-icon {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 12px;
  backdrop-filter: blur(4px);
  animation: floatIcon 5s ease-in-out infinite;
}

.fi-1 { top: 40%; left: 50%; transform: translate(-50%, -50%); animation-delay: 0s; }
.fi-2 { bottom: 24px; right: 24px; animation-delay: 1.5s; }
.fi-3 { top: 50%; left: 50%; transform: translate(-50%, -50%); animation-delay: 0.5s; }
.fi-4 { top: 50%; left: 50%; transform: translate(-50%, -50%); animation-delay: 1s; }

@keyframes floatIcon {
  0%, 100% { transform: translate(-50%, -50%) translateY(0); }
  50% { transform: translate(-50%, -50%) translateY(-10px); }
}

.fi-2 {
  transform: none;
  animation-name: floatIconSimple;
}

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

/* Card Content */
.card-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 12px;
}

.card-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.card-category {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-blue);
}

.card-read-time {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.card-title {
  font-family: 'Sora', sans-serif;
  font-size: 1.175rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.35;
  color: var(--text-primary);
  flex: 1;
  transition: color var(--transition-fast);
}

.featured-card:hover .card-title { color: #93c5fd; }

.card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--bg-border);
}

.card-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.author-avatar-1 { background: linear-gradient(135deg, #3b82f6, #1d4ed8); color: #fff; }
.author-avatar-2 { background: linear-gradient(135deg, #10b981, #059669); color: #fff; }
.author-avatar-3 { background: linear-gradient(135deg, #8b5cf6, #6d28d9); color: #fff; }

.author-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.author-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.author-date {
  font-size: 0.775rem;
  color: var(--text-muted);
}

.card-read-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-blue);
  white-space: nowrap;
  transition: gap var(--transition-base), opacity var(--transition-fast);
}

.card-read-link:hover { gap: 10px; opacity: 0.85; }

/* =========================================================
   CATEGORIES
   ========================================================= */
.categories-section {
  background: var(--bg-secondary);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.category-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  cursor: pointer;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-main);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.category-card:hover {
  transform: translateY(-3px);
  border-color: rgba(59,130,246,0.3);
  box-shadow: var(--shadow-md), var(--shadow-glow-blue);
}

.category-card:hover::before { opacity: 0.04; }

.category-icon-wrap {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: transform var(--transition-spring);
}

.category-card:hover .category-icon-wrap { transform: scale(1.1) rotate(-5deg); }

.category-icon-blue   { background: rgba(59,130,246,0.12); color: var(--accent-blue); border: 1px solid rgba(59,130,246,0.2); }
.category-icon-teal   { background: rgba(20,184,166,0.12); color: var(--accent-teal); border: 1px solid rgba(20,184,166,0.2); }
.category-icon-purple { background: rgba(139,92,246,0.12); color: var(--accent-purple); border: 1px solid rgba(139,92,246,0.2); }
.category-icon-orange { background: rgba(245,158,11,0.12); color: var(--accent-orange); border: 1px solid rgba(245,158,11,0.2); }
.category-icon-pink   { background: rgba(236,72,153,0.12); color: var(--accent-pink); border: 1px solid rgba(236,72,153,0.2); }
.category-icon-green  { background: rgba(16,185,129,0.12); color: var(--accent-green); border: 1px solid rgba(16,185,129,0.2); }

.category-info {
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 1;
}

.category-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.category-count {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.category-arrow {
  color: var(--text-muted);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: color var(--transition-fast), transform var(--transition-base);
}

.category-card:hover .category-arrow {
  color: var(--accent-blue);
  transform: translateX(4px);
}

/* =========================================================
   LATEST ARTICLES GRID
   ========================================================= */
.latest-section {
  background: var(--bg-primary);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  cursor: pointer;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
  position: relative;
  overflow: hidden;
}

.article-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-main);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59,130,246,0.2);
  box-shadow: var(--shadow-md);
  background: var(--bg-card-hover);
}

.article-card:hover::after { opacity: 1; }

.article-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.article-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: var(--radius-full);
}

.article-tag-blue   { background: rgba(59,130,246,0.12); color: #93c5fd; border: 1px solid rgba(59,130,246,0.2); }
.article-tag-purple { background: rgba(139,92,246,0.12); color: #c4b5fd; border: 1px solid rgba(139,92,246,0.2); }
.article-tag-teal   { background: rgba(20,184,166,0.12); color: #5eead4; border: 1px solid rgba(20,184,166,0.2); }
.article-tag-orange { background: rgba(245,158,11,0.12); color: #fcd34d; border: 1px solid rgba(245,158,11,0.2); }
.article-tag-pink   { background: rgba(236,72,153,0.12); color: #f9a8d4; border: 1px solid rgba(236,72,153,0.2); }
.article-tag-green  { background: rgba(16,185,129,0.12); color: #6ee7b7; border: 1px solid rgba(16,185,129,0.2); }

.article-read-time {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.775rem;
  color: var(--text-muted);
}

.article-title {
  font-family: 'Sora', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.4;
  color: var(--text-primary);
  transition: color var(--transition-fast);
  flex: 1;
}

.article-card:hover .article-title { color: #93c5fd; }

.article-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--bg-border);
  margin-top: auto;
}

.article-author {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.author-avatar-sm {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 0.625rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.author-sm-1 { background: linear-gradient(135deg, #ec4899, #8b5cf6); color: #fff; }
.author-sm-2 { background: linear-gradient(135deg, #f59e0b, #ef4444); color: #fff; }
.author-sm-3 { background: linear-gradient(135deg, #3b82f6, #1d4ed8); color: #fff; }
.author-sm-4 { background: linear-gradient(135deg, #10b981, #059669); color: #fff; }
.author-sm-5 { background: linear-gradient(135deg, #8b5cf6, #6d28d9); color: #fff; }

.article-date {
  font-size: 0.775rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* =========================================================
   NEWSLETTER
   ========================================================= */
.newsletter-section {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
  background: var(--bg-secondary);
  border-top: 1px solid var(--bg-border);
  border-bottom: 1px solid var(--bg-border);
}

.newsletter-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.newsletter-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.newsletter-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59,130,246,0.2), transparent 70%);
  top: -100px;
  left: -100px;
}

.newsletter-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(139,92,246,0.2), transparent 70%);
  bottom: -100px;
  right: -50px;
}

.newsletter-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}

.newsletter-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.newsletter-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-blue);
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.newsletter-title {
  font-family: 'Sora', sans-serif;
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #f1f5f9 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.newsletter-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 36px;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 520px;
  margin: 0 auto 24px;
}

.newsletter-input-wrap {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}

.newsletter-input-icon {
  position: absolute;
  left: 16px;
  color: var(--text-muted);
  pointer-events: none;
  transition: color var(--transition-base);
}

.newsletter-input-wrap:focus-within .newsletter-input-icon {
  color: var(--accent-blue);
}

.newsletter-input {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  padding: 14px 20px 14px 46px;
  font-size: 0.9375rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
}

.newsletter-input::placeholder { color: var(--text-muted); }

.newsletter-input:focus {
  border-color: var(--accent-blue);
  background: rgba(59,130,246,0.06);
  box-shadow: 0 0 0 4px rgba(59,130,246,0.1);
}

.newsletter-input.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 4px rgba(239,68,68,0.1);
}

.newsletter-message {
  min-height: 24px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 8px;
  transition: all var(--transition-base);
}

.newsletter-message.success { color: var(--accent-green); }
.newsletter-message.error   { color: #f87171; }

/* Social Proof */
.newsletter-social-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.subscriber-avatars {
  display: flex;
}

.sub-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 0.6rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg-secondary);
  margin-left: -8px;
  color: #fff;
}

.sub-avatar:first-child { margin-left: 0; }

.sub-av-1 { background: linear-gradient(135deg, #3b82f6, #8b5cf6); }
.sub-av-2 { background: linear-gradient(135deg, #10b981, #3b82f6); }
.sub-av-3 { background: linear-gradient(135deg, #f59e0b, #ec4899); }
.sub-av-4 { background: linear-gradient(135deg, #ec4899, #8b5cf6); }
.sub-av-5 { background: linear-gradient(135deg, #14b8a6, #3b82f6); }

.newsletter-social-proof p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.newsletter-social-proof strong { color: var(--text-primary); }

.newsletter-promises {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.newsletter-promises span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.newsletter-promises svg { color: var(--accent-green); }

/* =========================================================
   ABOUT SECTION
   ========================================================= */
.about-section {
  background: var(--bg-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-description {
  font-size: 1.0rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
}

.about-ctas {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
}

/* Pillars */
.about-pillars {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pillar-card {
  display: flex;
  gap: 18px;
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.pillar-card:hover {
  transform: translateX(6px);
  border-color: rgba(59,130,246,0.25);
  box-shadow: var(--shadow-sm), var(--shadow-glow-blue);
}

.pillar-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-spring);
}

.pillar-card:hover .pillar-icon { transform: scale(1.1); }

.pillar-icon-blue   { background: rgba(59,130,246,0.12); color: var(--accent-blue); border: 1px solid rgba(59,130,246,0.2); }
.pillar-icon-purple { background: rgba(139,92,246,0.12); color: var(--accent-purple); border: 1px solid rgba(139,92,246,0.2); }
.pillar-icon-teal   { background: rgba(20,184,166,0.12); color: var(--accent-teal); border: 1px solid rgba(20,184,166,0.2); }

.pillar-body {}

.pillar-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.pillar-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--bg-border);
  padding: 72px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--bg-border);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  align-self: flex-start;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 320px;
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--bg-border);
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-spring);
}

.social-link:hover {
  color: var(--text-primary);
  background: rgba(59,130,246,0.1);
  border-color: rgba(59,130,246,0.3);
  transform: translateY(-3px);
}

.footer-nav-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-nav-heading {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav-list a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast), padding-left var(--transition-base);
}

.footer-nav-list a:hover {
  color: var(--accent-blue);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-legal a {
  font-size: 0.8125rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-legal a:hover { color: var(--text-secondary); }

/* =========================================================
   SCROLL ANIMATIONS
   ========================================================= */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal-up    { transform: translateY(36px); }
.reveal-left  { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* Staggered delays for grids */
.featured-grid .featured-card:nth-child(1) { transition-delay: 0.05s; }
.featured-grid .featured-card:nth-child(2) { transition-delay: 0.15s; }
.featured-grid .featured-card:nth-child(3) { transition-delay: 0.25s; }

.categories-grid .category-card:nth-child(1) { transition-delay: 0.05s; }
.categories-grid .category-card:nth-child(2) { transition-delay: 0.1s; }
.categories-grid .category-card:nth-child(3) { transition-delay: 0.15s; }
.categories-grid .category-card:nth-child(4) { transition-delay: 0.2s; }
.categories-grid .category-card:nth-child(5) { transition-delay: 0.25s; }
.categories-grid .category-card:nth-child(6) { transition-delay: 0.3s; }

.articles-grid .article-card:nth-child(1) { transition-delay: 0.05s; }
.articles-grid .article-card:nth-child(2) { transition-delay: 0.1s; }
.articles-grid .article-card:nth-child(3) { transition-delay: 0.15s; }
.articles-grid .article-card:nth-child(4) { transition-delay: 0.2s; }
.articles-grid .article-card:nth-child(5) { transition-delay: 0.25s; }
.articles-grid .article-card:nth-child(6) { transition-delay: 0.3s; }

.stats-grid .stat-item:nth-child(1) { transition-delay: 0.05s; }
.stats-grid .stat-item:nth-child(2) { transition-delay: 0.15s; }
.stats-grid .stat-item:nth-child(3) { transition-delay: 0.25s; }
.stats-grid .stat-item:nth-child(4) { transition-delay: 0.35s; }

/* Hero entrance animation */
@keyframes heroEntrance {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-content .hero-badge    { animation: heroEntrance 0.7s ease 0.1s both; }
.hero-content .hero-title    { animation: heroEntrance 0.7s ease 0.2s both; }
.hero-content .hero-subtitle { animation: heroEntrance 0.7s ease 0.35s both; }
.hero-content .hero-search-wrapper { animation: heroEntrance 0.7s ease 0.5s both; }
.hero-content .hero-ctas     { animation: heroEntrance 0.7s ease 0.65s both; }

/* Override reveal-up for hero children (they use CSS animation instead) */
.hero-content .reveal-up {
  opacity: 1;
  transform: none;
}

/* =========================================================
   RESPONSIVE — TABLET (max 1024px)
   ========================================================= */
@media (max-width: 1024px) {
  :root { --section-gap: 72px; }

  .featured-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .featured-card-large { grid-row: auto; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* =========================================================
   RESPONSIVE — MOBILE (max 768px)
   ========================================================= */
@media (max-width: 768px) {
  :root {
    --section-gap: 56px;
    --nav-height: 64px;
  }

  /* Nav */
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 15, 30, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: 999;
    border-top: 1px solid var(--bg-border);
  }

  .nav-links.open { transform: translateX(0); }

  .nav-link {
    font-size: 1.25rem;
    font-weight: 600;
    padding: 14px 32px;
  }

  .hamburger { display: flex; }

  /* Hero */
  .hero-title { font-size: clamp(2rem, 8vw, 3rem); }

  .hero-search-bar {
    flex-direction: column;
    border-radius: var(--radius-lg);
    padding: 12px;
    gap: 10px;
  }

  .hero-search-icon { display: none; }

  .hero-search-input {
    width: 100%;
    padding: 10px 14px;
    background: rgba(255,255,255,0.04);
    border-radius: var(--radius-md);
  }

  .hero-search-submit {
    width: 100%;
    text-align: center;
    justify-content: center;
    padding: 12px;
  }

  /* Stats */
  .stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .stat-divider { display: none; }

  .stat-item { padding: 20px 16px; }

  /* Categories */
  .categories-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .category-card { padding: 16px; }

  .category-icon-wrap { width: 42px; height: 42px; }

  /* Articles */
  .articles-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* Section header row */
  .section-header-row {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Newsletter */
  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-section { padding: 72px 0; }

  /* About */
  .about-grid { gap: 36px; }

  /* Footer */
  .footer-nav-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  /* Card title size */
  .card-title { font-size: 1.05rem; }
}

@media (max-width: 480px) {
  .categories-grid { grid-template-columns: 1fr; }

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

  .hero-ctas { flex-direction: column; width: 100%; }
  .hero-ctas .btn { width: 100%; justify-content: center; }

  .newsletter-form { gap: 10px; }

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

  .about-ctas { flex-direction: column; }
  .about-ctas .btn { width: 100%; justify-content: center; }

  .btn-newsletter { width: 100%; justify-content: center; }
}

/* =========================================================
   FOCUS STYLES (accessibility)
   ========================================================= */
:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* =========================================================
   SCROLLBAR STYLING
   ========================================================= */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
  background: var(--bg-border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent-blue); }

/* =========================================================
   SELECTION
   ========================================================= */
::selection {
  background: rgba(59,130,246,0.3);
  color: var(--text-primary);
}