/* ============================================
   PRIVACY TECH INDIA - Main Stylesheet
   Design: "Digital Shield" — dark, protective, trustworthy
   ============================================ */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Source+Sans+3:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,500&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* --- CSS Variables --- */
:root {
  --bg-deep: #060a12;
  --bg-primary: #0a0f1a;
  --bg-card: #111827;
  --bg-card-hover: #162032;
  --bg-elevated: #1a2435;
  --bg-input: #0d1321;

  --accent-cyan: #00e5ff;
  --accent-cyan-dim: #007a8a;
  --accent-gold: #f5b731;
  --accent-gold-dim: #a67c1a;
  --accent-red: #ff4757;
  --accent-green: #2ed573;
  --accent-purple: #a855f7;

  --text-primary: #e8edf5;
  --text-secondary: #8c99b2;
  --text-muted: #4a5568;
  --text-link: #00e5ff;

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(0, 229, 255, 0.2);
  --border-card: rgba(255, 255, 255, 0.08);

  --glass-bg: rgba(17, 24, 39, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);

  --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: 0 0 30px rgba(0, 229, 255, 0.15);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --font-display: 'Outfit', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --header-height: 72px;
  --max-width: 1200px;
  --max-width-narrow: 800px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-deep);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: var(--accent-cyan-dim);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* --- Selection --- */
::selection {
  background: rgba(0, 229, 255, 0.25);
  color: #fff;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--accent-gold);
}

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

ul, ol {
  padding-left: 1.5rem;
}

/* --- Grain Overlay --- */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.5;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: 100px 0;
  position: relative;
}

.section--sm {
  padding: 60px 0;
}

/* --- Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Staggered delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
  background: transparent;
}

.header.scrolled {
  background: rgba(6, 10, 18, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border-subtle), var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.logo__icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  position: relative;
  overflow: hidden;
}

.logo__icon::after {
  content: '';
  position: absolute;
  inset: 2px;
  background: var(--bg-deep);
  border-radius: 8px;
}

.logo__icon svg {
  position: relative;
  z-index: 1;
  width: 20px;
  height: 20px;
}

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

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav__link {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
  letter-spacing: 0.3px;
}

.nav__link:hover,
.nav__link.active {
  color: var(--accent-cyan);
  background: rgba(0, 229, 255, 0.06);
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: 1px;
}

/* Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-smooth);
  transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--header-height);
}

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

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
}

.hero__glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  animation: float 8s ease-in-out infinite;
}

.hero__glow--1 {
  top: -200px;
  right: -100px;
  background: var(--accent-cyan);
}

.hero__glow--2 {
  bottom: -200px;
  left: -100px;
  background: var(--accent-purple);
  animation-delay: -4s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
  margin-bottom: 28px;
  letter-spacing: 0.5px;
}

.hero__badge .dot {
  width: 6px;
  height: 6px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 24px;
  letter-spacing: -1.5px;
}

.hero__title .highlight {
  background: linear-gradient(135deg, var(--accent-cyan), #7dd3fc, var(--accent-cyan));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 4s linear infinite;
}

@keyframes shimmer {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 560px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 56px;
}

.hero__stats {
  display: flex;
  gap: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
}

.hero__stat {
  text-align: left;
}

.hero__stat-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
}

.hero__stat-value span {
  color: var(--accent-cyan);
}

.hero__stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-decoration: none;
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent-cyan), #0097a7);
  color: var(--bg-deep);
  box-shadow: 0 4px 20px rgba(0, 229, 255, 0.25);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(0, 229, 255, 0.35);
  color: var(--bg-deep);
}

.btn--primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.btn--primary:hover::after {
  transform: translateX(100%);
}

.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-card);
}

.btn--outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0, 229, 255, 0.05);
  transform: translateY(-2px);
}

.btn--sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

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

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
  padding: 4px 12px;
  background: rgba(0, 229, 255, 0.06);
  border-radius: 4px;
}

.section-title {
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto;
}

/* ============================================
   FEATURE CARDS
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  position: relative;
}

.feature-card__icon--cyan {
  background: rgba(0, 229, 255, 0.1);
  color: var(--accent-cyan);
}

.feature-card__icon--gold {
  background: rgba(245, 183, 49, 0.1);
  color: var(--accent-gold);
}

.feature-card__icon--purple {
  background: rgba(168, 85, 247, 0.1);
  color: var(--accent-purple);
}

.feature-card__icon--green {
  background: rgba(46, 213, 115, 0.1);
  color: var(--accent-green);
}

.feature-card__icon--red {
  background: rgba(255, 71, 87, 0.1);
  color: var(--accent-red);
}

.feature-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card__desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 0;
}

/* ============================================
   POST / BLOG CARDS
   ============================================ */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.post-card__image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
}

.post-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.post-card:hover .post-card__image img {
  transform: scale(1.05);
}

.post-card__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
}

.post-card__category {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 100px;
  background: rgba(6, 10, 18, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-card);
}

.post-card__category--privacy { color: var(--accent-cyan); }
.post-card__category--security { color: var(--accent-red); }
.post-card__category--tools { color: var(--accent-green); }
.post-card__category--guide { color: var(--accent-gold); }
.post-card__category--awareness { color: var(--accent-purple); }

.post-card__body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.post-card__title {
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card__title a {
  color: var(--text-primary);
  text-decoration: none;
}
.post-card__title a:hover {
  color: var(--accent-cyan);
}

.post-card__excerpt {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.post-card__author {
  display: flex;
  align-items: center;
  gap: 8px;
}

.post-card__author-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--bg-deep);
}

.post-card__read-time {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ============================================
   NEWSLETTER / CTA SECTION
   ============================================ */
.newsletter {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.newsletter::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(0, 229, 255, 0.03), transparent, rgba(168, 85, 247, 0.03), transparent);
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  100% { transform: rotate(360deg); }
}

.newsletter__content {
  position: relative;
  z-index: 1;
}

.newsletter__title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 12px;
}

.newsletter__desc {
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter__form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.newsletter__input {
  flex: 1;
  padding: 14px 20px;
  background: var(--bg-input);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

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

.newsletter__input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.1);
}

/* ============================================
   ABOUT / AUTHOR SECTION
   ============================================ */
.author-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 48px;
  align-items: start;
}

.author-card__avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  position: relative;
  overflow: hidden;
}

.author-card__avatar::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: calc(var(--radius-lg) - 4px);
  background: var(--bg-card);
}

.author-card__avatar img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius-lg) - 4px);
}

.author-card__avatar-initials {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-weight: 900;
  color: var(--text-primary);
  font-size: 3.5rem;
}

.author-card__name {
  font-size: 1.8rem;
  margin-bottom: 4px;
}

.author-card__role {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-bottom: 20px;
}

.author-card__bio {
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.75;
}

.author-card__social {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  font-size: 1.1rem;
}

.social-link:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0, 229, 255, 0.05);
  transform: translateY(-2px);
}

/* Author box in posts */
.author-box {
  display: flex;
  gap: 20px;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  margin: 48px 0;
}

.author-box__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.author-box__avatar-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--bg-deep);
}

.author-box__info h4 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.author-box__info .role {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
  margin-bottom: 8px;
}

.author-box__info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* ============================================
   BLOG POST (SINGLE)
   ============================================ */
.post-hero {
  padding: 140px 0 60px;
  position: relative;
}

.post-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.post-hero__category {
  padding: 4px 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 100px;
  background: rgba(0, 229, 255, 0.08);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 229, 255, 0.15);
}

.post-hero__title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.12;
  margin-bottom: 20px;
  letter-spacing: -1px;
  max-width: 700px;
}

.post-hero__excerpt {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

.post-content {
  padding-bottom: 60px;
}

.post-content h2 {
  font-size: 1.6rem;
  margin: 48px 0 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.post-content h3 {
  font-size: 1.3rem;
  margin: 36px 0 12px;
}

.post-content p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.post-content ul, .post-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.post-content li {
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.7;
}

.post-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.post-content blockquote {
  margin: 32px 0;
  padding: 20px 24px;
  border-left: 3px solid var(--accent-cyan);
  background: rgba(0, 229, 255, 0.04);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.post-content blockquote p {
  color: var(--text-primary);
  font-style: italic;
  margin-bottom: 0;
}

.post-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: rgba(0, 229, 255, 0.08);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--accent-cyan);
}

.post-content .info-box {
  padding: 24px;
  background: rgba(0, 229, 255, 0.05);
  border: 1px solid rgba(0, 229, 255, 0.15);
  border-radius: var(--radius-md);
  margin: 28px 0;
}

.post-content .info-box h4 {
  color: var(--accent-cyan);
  margin-bottom: 8px;
  font-size: 1rem;
}

.post-content .warning-box {
  padding: 24px;
  background: rgba(255, 71, 87, 0.05);
  border: 1px solid rgba(255, 71, 87, 0.15);
  border-radius: var(--radius-md);
  margin: 28px 0;
}

.post-content .warning-box h4 {
  color: var(--accent-red);
  margin-bottom: 8px;
  font-size: 1rem;
}

/* Table of contents */
.toc {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin-bottom: 40px;
}

.toc__title {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.toc__list {
  list-style: none;
  padding: 0;
}

.toc__list li {
  margin-bottom: 6px;
}

.toc__list a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc__list a::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--accent-cyan-dim);
  border-radius: 50%;
  flex-shrink: 0;
}

.toc__list a:hover {
  color: var(--accent-cyan);
}

/* ============================================
   COMMENTS SECTION
   ============================================ */
.comments-section {
  margin-top: 60px;
  padding-top: 48px;
  border-top: 1px solid var(--border-subtle);
}

.comments-section__title {
  font-size: 1.4rem;
  margin-bottom: 32px;
}

.comment-form {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 40px;
}

.comment-form__title {
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.08);
}

.form-group textarea {
  min-height: 120px;
}

.comment {
  display: flex;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.comment:last-child {
  border-bottom: none;
}

.comment__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-cyan);
  flex-shrink: 0;
  border: 1px solid var(--border-card);
}

.comment__body {
  flex: 1;
}

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

.comment__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.comment__date {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.comment__text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 0;
}

.comment__reply-btn {
  background: none;
  border: none;
  color: var(--accent-cyan);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 0;
  margin-top: 8px;
  transition: color var(--transition-fast);
}

.comment__reply-btn:hover {
  color: var(--accent-gold);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: 64px 0 32px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-top: 16px;
  max-width: 300px;
  line-height: 1.65;
}

.footer__title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer__links {
  list-style: none;
  padding: 0;
}

.footer__links li {
  margin-bottom: 10px;
}

.footer__links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--accent-cyan);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer__bottom-links {
  display: flex;
  gap: 24px;
}

.footer__bottom-links a {
  color: var(--text-muted);
  font-size: 0.82rem;
}
.footer__bottom-links a:hover {
  color: var(--accent-cyan);
}

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 16px 0;
  margin-top: var(--header-height);
}

.breadcrumb a {
  color: var(--text-secondary);
}

.breadcrumb a:hover {
  color: var(--accent-cyan);
}

.breadcrumb .sep {
  color: var(--text-muted);
}

/* ============================================
   PAGE HEADER (for inner pages)
   ============================================ */
.page-header {
  padding: 120px 0 60px;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0; right: -200px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: var(--accent-cyan);
  filter: blur(150px);
  opacity: 0.05;
}

.page-header__title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.page-header__desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 560px;
}

/* ============================================
   TAGS
   ============================================ */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0;
}

.tag {
  padding: 4px 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border-radius: 100px;
  border: 1px solid var(--border-card);
  transition: all var(--transition-fast);
}

.tag:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0, 229, 255, 0.05);
}

/* ============================================
   SHARE BUTTONS
   ============================================ */
.share-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 32px 0;
}

.share-bar__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.share-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-card);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

/* ============================================
   CONTACT FORM
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info__item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0, 229, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
  font-size: 1.1rem;
}

.contact-info__text h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.contact-info__text p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 36px;
}

/* ============================================
   POLICY PAGES
   ============================================ */
.policy-content {
  padding: 40px 0 80px;
}

.policy-content h2 {
  font-size: 1.5rem;
  margin: 40px 0 16px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.policy-content h3 {
  font-size: 1.2rem;
  margin: 28px 0 12px;
}

.policy-content p {
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.8;
}

.policy-content ul {
  margin-bottom: 16px;
}

.policy-content li {
  margin-bottom: 6px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   SEARCH / FILTER
   ============================================ */
.search-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 40px;
}

.search-bar__input {
  flex: 1;
  padding: 14px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-bar__input:focus {
  border-color: var(--accent-cyan);
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.filter-tag {
  padding: 8px 18px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tag:hover,
.filter-tag.active {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0, 229, 255, 0.06);
}

/* ============================================
   MISSION / VALUES
   ============================================ */
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.value-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  transition: all var(--transition-smooth);
}

.value-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.value-card__number {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
  margin-bottom: 12px;
}

.value-card__title {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.value-card__desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* ============================================
   AD PLACEHOLDER (AdSense compatible)
   ============================================ */
.ad-space {
  width: 100%;
  min-height: 90px;
  background: var(--bg-card);
  border: 1px dashed var(--border-card);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 32px 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.ad-space--sidebar {
  min-height: 250px;
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-smooth);
  z-index: 100;
  font-size: 1.1rem;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent-cyan);
  color: var(--bg-deep);
  border-color: var(--accent-cyan);
  transform: translateY(-3px);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .author-card {
    grid-template-columns: 200px 1fr;
    gap: 32px;
    padding: 36px;
  }

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

  .hero__stats {
    gap: 32px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  body {
    font-size: 16px;
  }

  .section {
    padding: 60px 0;
  }

  .container {
    padding: 0 16px;
  }

  /* Mobile Nav */
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    background: var(--bg-primary);
    border-left: 1px solid var(--border-subtle);
    padding: 80px 24px 24px;
    gap: 4px;
    transition: right var(--transition-smooth);
    z-index: 999;
  }

  .nav.open {
    right: 0;
  }

  .nav__link {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 998;
  }

  .nav-overlay.open {
    display: block;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }

  .hero__stats {
    flex-direction: column;
    gap: 16px;
  }

  .hero__actions {
    flex-direction: column;
  }

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

  /* Grids */
  .features-grid {
    grid-template-columns: 1fr;
  }

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

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

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  /* Author */
  .author-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 28px;
  }

  .author-card__avatar {
    max-width: 200px;
    margin: 0 auto;
  }

  .author-card__social {
    justify-content: center;
  }

  .author-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  /* Newsletter */
  .newsletter {
    padding: 40px 24px;
  }

  .newsletter__form {
    flex-direction: column;
  }

  /* Forms */
  .form-row {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer__bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  /* Comments */
  .comment {
    flex-direction: column;
    gap: 12px;
  }

  /* Search */
  .search-bar {
    flex-direction: column;
  }

  /* Breadcrumb */
  .breadcrumb {
    flex-wrap: wrap;
    font-size: 0.78rem;
  }

  /* Page header */
  .page-header {
    padding: 100px 0 40px;
  }

  /* Post hero */
  .post-hero {
    padding: 100px 0 40px;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  .hero__title {
    font-size: 2.2rem;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .feature-card {
    padding: 24px 20px;
  }

  .post-card__body {
    padding: 18px;
  }

  .contact-form {
    padding: 24px 20px;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-cyan { color: var(--accent-cyan); }
.text-gold { color: var(--accent-gold); }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}