/* Adnox Media - Premium SEO Agency Website
   Design: Dark navy / black / white + electric blue accents
   Performance-first, mobile-first, SEO-optimized
*/

:root {
  --navy-900: #0a0f1a;
  --navy-800: #0f172a;
  --navy-700: #1e293b;
  --navy-600: #334155;
  --blue-500: #3b82f6;
  --blue-400: #60a5fa;
  --blue-300: #93c5fd;
  --cyan-400: #22d3ee;
  --purple-500: #8b5cf6;
  --purple-400: #a78bfa;
  --white: #ffffff;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --success: #10b981;
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--navy-900);
  color: var(--gray-200);
  line-height: 1.6;
  font-size: 16px;
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul, ol {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--white);
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p { margin-bottom: 1rem; color: var(--gray-300); }

.text-gradient {
  background: linear-gradient(135deg, var(--blue-400), var(--cyan-400), var(--purple-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 4rem 0;
}

.section-sm {
  padding: 2.5rem 0;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 15, 26, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--white);
}

.logo img {
  height: 36px;
  width: auto;
}

.nav {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

.nav a {
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-300);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav a:hover,
.nav a.active {
  color: var(--white);
  background: rgba(59, 130, 246, 0.15);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown > a::after {
  content: "▾";
  margin-left: 0.25rem;
  font-size: 0.7rem;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--navy-800);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s ease;
  box-shadow: var(--shadow-xl);
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 0.6rem 0.85rem;
  font-size: 0.875rem;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-500), var(--purple-500));
  color: var(--white);
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.2);
}

.btn-secondary:hover {
  border-color: var(--blue-400);
  background: rgba(59, 130, 246, 0.1);
}

.btn-whatsapp {
  background: #25d366;
  color: var(--white);
}

.btn-whatsapp:hover {
  background: #1ebe57;
  transform: translateY(-1px);
}

.btn-lg {
  padding: 0.9rem 1.75rem;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

/* Mobile menu */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all 0.3s;
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 70px 0 0 0;
  background: var(--navy-900);
  z-index: 999;
  padding: 1.5rem;
  overflow-y: auto;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav a {
  display: block;
  padding: 0.85rem 0;
  font-size: 1.05rem;
  font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  color: var(--gray-200);
}

.mobile-nav .btn {
  margin-top: 1.5rem;
  width: 100%;
}

/* Sticky mobile bottom bar */
.mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--navy-800);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 0.6rem 1rem;
  gap: 0.5rem;
  justify-content: space-around;
}

.mobile-bar a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--gray-300);
  padding: 0.35rem;
}

.mobile-bar a.whatsapp {
  color: #25d366;
}

.mobile-bar svg {
  width: 22px;
  height: 22px;
}

/* Hero */
.hero {
  position: relative;
  padding: 5rem 0 4rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -10%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(139,92,246,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--blue-300);
  margin-bottom: 1.5rem;
}

.hero h1 {
  margin-bottom: 1.25rem;
}

.hero p {
  font-size: 1.125rem;
  color: var(--gray-300);
  margin-bottom: 2rem;
  max-width: 640px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--gray-400);
}

.hero-meta span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--navy-800);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: all var(--transition);
}

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

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(139,92,246,0.2));
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
}

.card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.15rem;
}

.card p {
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--blue-400);
}

.card-link:hover {
  color: var(--cyan-400);
}

/* Section headers */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.05rem;
}

/* Process steps */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  background: linear-gradient(135deg, var(--blue-500), var(--purple-500));
  border-radius: 50%;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--white);
}

.process-step h4 {
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.process-step p {
  font-size: 0.875rem;
  color: var(--gray-400);
}

/* Industries */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
}

.industry-item {
  background: var(--navy-800);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1rem;
  text-align: center;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition);
}

.industry-item:hover {
  border-color: var(--blue-400);
  background: rgba(59, 130, 246, 0.08);
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(139,92,246,0.15));
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
}

.cta-banner h2 {
  margin-bottom: 0.75rem;
}

.cta-banner p {
  margin-bottom: 1.75rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
.footer {
  background: var(--navy-800);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 4rem 0 2rem;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  font-size: 0.95rem;
  margin: 1rem 0 1.5rem;
  max-width: 280px;
}

.footer h4 {
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  color: var(--white);
}

.footer-links a {
  display: block;
  padding: 0.35rem 0;
  font-size: 0.9rem;
  color: var(--gray-400);
}

.footer-links a:hover {
  color: var(--blue-400);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 0.875rem;
  color: var(--gray-500);
}

/* Breadcrumbs */
.breadcrumbs {
  padding: 1rem 0;
  font-size: 0.875rem;
  color: var(--gray-400);
}

.breadcrumbs a {
  color: var(--gray-400);
}

.breadcrumbs a:hover {
  color: var(--blue-400);
}

.breadcrumbs span {
  margin: 0 0.4rem;
  color: var(--gray-500);
}

/* Page hero */
.page-hero {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.page-hero h1 {
  margin-bottom: 1rem;
}

.page-hero p {
  font-size: 1.1rem;
  max-width: 700px;
}

/* Content prose */
.prose {
  max-width: 800px;
}

.prose h2 {
  margin: 2.5rem 0 1rem;
  font-size: 1.5rem;
}

.prose h3 {
  margin: 2rem 0 0.75rem;
  font-size: 1.2rem;
}

.prose p {
  margin-bottom: 1.25rem;
}

.prose ul, .prose ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }

.prose li {
  margin-bottom: 0.5rem;
  color: var(--gray-300);
}

.prose a {
  color: var(--blue-400);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.prose a:hover {
  color: var(--cyan-400);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  gap: 1rem;
}

.faq-question::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--blue-400);
  flex-shrink: 0;
}

.faq-item.active .faq-question::after {
  content: "−";
}

.faq-answer {
  display: none;
  padding-bottom: 1.25rem;
  color: var(--gray-300);
  font-size: 0.95rem;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Packages */
.packages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

.package-card {
  background: var(--navy-800);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.package-card.featured {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 1px var(--blue-500), var(--shadow-xl);
  position: relative;
}

.package-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--blue-500), var(--purple-500));
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.9rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.package-card h3 {
  margin-bottom: 0.5rem;
}

.package-price {
  font-size: 0.95rem;
  color: var(--gray-400);
  margin-bottom: 1.5rem;
}

.package-features {
  flex: 1;
  margin-bottom: 1.75rem;
}

.package-features li {
  padding: 0.45rem 0;
  font-size: 0.925rem;
  color: var(--gray-300);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.package-features li::before {
  content: "✓";
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
}

/* Blog cards */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  background: var(--navy-800);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}

.blog-card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateY(-3px);
}

.blog-card-body {
  padding: 1.5rem;
}

.blog-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.blog-meta {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-bottom: 0.75rem;
}

/* Contact info */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.contact-card {
  background: var(--navy-800);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-item:last-child {
  margin-bottom: 0;
}

.contact-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.15);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  font-size: 1.25rem;
}

/* Utility */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: 1rem; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }

/* Responsive */
@media (min-width: 768px) {
  .nav { display: flex; }
  .menu-toggle { display: none; }
  .mobile-bar { display: none !important; }
  body { padding-bottom: 0; }
}

@media (max-width: 767px) {
  .header-cta .btn-secondary { display: none; }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .mobile-bar {
    display: flex;
  }
  body {
    padding-bottom: 70px;
  }
  .hero {
    padding: 3rem 0 2.5rem;
  }
  .section {
    padding: 3rem 0;
  }
}

@media (max-width: 480px) {
  .hero-ctas {
    flex-direction: column;
  }
  .hero-ctas .btn {
    width: 100%;
  }
}

/* Print / accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--blue-500);
  color: white;
  padding: 0.5rem 1rem;
  z-index: 9999;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 1rem;
}