/* ============================================
   Aegis Cyber -- Global Styles
   ============================================ */

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

/* --- Custom Properties --- */
:root {
  --color-bg-primary: #0a0f1a;
  --color-bg-secondary: #111827;
  --color-bg-tertiary: #1a2235;
  --color-cyan: #06b6d4;
  --color-violet: #8b5cf6;
  --color-cyan-light: #67e8f9;
  --color-violet-light: #a78bfa;
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(255, 255, 255, 0.16);
  --color-success: #10b981;
  --color-error: #ef4444;

  --gradient-primary: linear-gradient(135deg, var(--color-cyan), var(--color-violet));
  --gradient-hero: radial-gradient(ellipse at 20% 50%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
                   radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
                   radial-gradient(ellipse at 50% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
  --gradient-cta: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(139, 92, 246, 0.2));

  --glass-bg: rgba(17, 24, 39, 0.6);
  --glass-bg-hover: rgba(17, 24, 39, 0.8);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: blur(16px);

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.4);
  --shadow-glow-cyan: 0 0 20px rgba(6, 182, 212, 0.3);
  --shadow-glow-violet: 0 0 20px rgba(139, 92, 246, 0.3);

  --max-width: 1200px;
  --nav-height: 72px;

  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

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

.section {
  padding: var(--spacing-4xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.grid {
  display: grid;
  gap: var(--spacing-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* --- Glass-morphism --- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
}

.glass-dark {
  background: rgba(10, 15, 26, 0.7);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  transition: transform var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-lg);
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(10, 15, 26, 0.85);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-logo .logo-icon {
  width: 36px;
  height: 36px;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xl);
}

.nav-links a {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  padding: var(--spacing-sm) var(--spacing-lg) !important;
  background: var(--gradient-primary) !important;
  border-radius: var(--radius-full) !important;
  color: var(--color-bg-primary) !important;
  font-weight: 600 !important;
  transition: opacity var(--transition-fast), transform var(--transition-fast) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.75rem;
  font-weight: 600;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-cyan);
}

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

.btn-secondary:hover {
  border-color: var(--color-cyan);
  background: rgba(6, 182, 212, 0.1);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: var(--font-size-base);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle at 30% 40%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 70% 60%, rgba(139, 92, 246, 0.08) 0%, transparent 40%);
  animation: heroRotate 30s linear infinite;
}

@keyframes heroRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: var(--spacing-3xl) var(--spacing-xl);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-cyan-light);
  margin-bottom: var(--spacing-xl);
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: var(--radius-full);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
  font-size: var(--font-size-6xl);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--spacing-lg);
}

.hero h1 .gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* --- Stats Bar --- */
.stats-bar {
  position: relative;
  padding: var(--spacing-3xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  text-align: center;
}

.stat-item h3 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-xs);
}

.stat-item p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Service Cards --- */
.service-card {
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.service-card .icon-wrap {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--gradient-cta);
  border: 1px solid var(--glass-border);
}

.service-card .icon-wrap svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-cyan);
}

.service-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.service-card p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.service-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-cyan);
  margin-top: auto;
  transition: gap var(--transition-base);
}

.service-card:hover .card-link {
  gap: var(--spacing-sm);
}

/* --- Testimonials --- */
.testimonial-card {
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.testimonial-card .quote {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
  font-style: italic;
  position: relative;
  padding-left: var(--spacing-lg);
  border-left: 2px solid var(--color-cyan);
}

.testimonial-card .author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.testimonial-card .author-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: var(--color-bg-primary);
  flex-shrink: 0;
}

.testimonial-card .author-info h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.testimonial-card .author-info p {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* --- CTA Banner --- */
.cta-banner {
  position: relative;
  padding: var(--spacing-4xl) 0;
  text-align: center;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-cta);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.cta-banner .container {
  position: relative;
  z-index: 1;
}

.cta-banner h2 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
}

.cta-banner p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Footer --- */
.footer {
  padding: var(--spacing-4xl) 0 var(--spacing-2xl);
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-brand p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-md);
  line-height: 1.7;
  max-width: 300px;
}

.footer-col h4 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-col a {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-cyan);
}

.footer-bottom {
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.footer-socials {
  display: flex;
  gap: var(--spacing-md);
}

.footer-socials a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-socials a:hover {
  color: var(--color-cyan);
}

/* --- Page Header (inner pages) --- */
.page-header {
  padding: calc(var(--nav-height) + var(--spacing-4xl)) 0 var(--spacing-3xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  font-size: var(--font-size-5xl);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: var(--spacing-md);
}

.page-header p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* --- About Page --- */
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.about-story .story-text h2 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
}

.about-story .story-text p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.about-graphic {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-2xl);
  background: var(--gradient-cta);
  border: 1px solid var(--glass-border);
  overflow: hidden;
}

.about-graphic::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(6, 182, 212, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(139, 92, 246, 0.3) 0%, transparent 50%);
}

.about-graphic::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60%;
  height: 60%;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
}

.values-card .icon-wrap {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--gradient-cta);
  border: 1px solid var(--glass-border);
  margin-bottom: var(--spacing-md);
}

.values-card .icon-wrap svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-cyan);
}

.values-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.values-card p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.team-card {
  text-align: center;
  padding: var(--spacing-2xl);
}

.team-card .avatar {
  width: 96px;
  height: 96px;
  margin: 0 auto var(--spacing-lg);
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--font-size-2xl);
  color: var(--color-bg-primary);
}

.team-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.team-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.cert-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-2xl) 0;
}

.cert-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg) var(--spacing-2xl);
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

/* --- Services Page --- */
.service-detail-card {
  padding: var(--spacing-2xl);
  cursor: pointer;
}

.service-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.service-detail-header .left {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.service-detail-header .icon-wrap {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--gradient-cta);
  border: 1px solid var(--glass-border);
  flex-shrink: 0;
}

.service-detail-header .icon-wrap svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-cyan);
}

.service-detail-header h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.service-detail-header .toggle-icon {
  width: 24px;
  height: 24px;
  stroke: var(--color-text-muted);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.service-detail-card.open .toggle-icon {
  transform: rotate(180deg);
}

.service-detail-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.service-detail-body .inner {
  padding-top: var(--spacing-lg);
}

.service-detail-body p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.service-detail-body ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.service-detail-body li {
  position: relative;
  padding-left: var(--spacing-lg);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.service-detail-body li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
}

/* Process Timeline */
.timeline {
  display: flex;
  justify-content: space-between;
  position: relative;
  padding: var(--spacing-2xl) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: calc(var(--spacing-2xl) + 28px);
  left: 56px;
  right: 56px;
  height: 2px;
  background: var(--color-border);
}

.timeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
  flex: 1;
}

.timeline-step .step-num {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--font-size-xl);
  color: var(--color-bg-primary);
  margin-bottom: var(--spacing-md);
}

.timeline-step h4 {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.timeline-step p {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  max-width: 160px;
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) 0;
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: left;
  color: var(--color-text-primary);
  cursor: pointer;
}

.faq-question .faq-icon {
  width: 20px;
  height: 20px;
  stroke: var(--color-text-muted);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer p {
  padding-bottom: var(--spacing-lg);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-2xl);
}

.contact-form {
  padding: var(--spacing-2xl);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast);
}

.form-group select {
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-group select option {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

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

.form-group .error-msg {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--spacing-xs);
  display: none;
}

.form-group.has-error input,
.form-group.has-error textarea {
  border-color: var(--color-error);
}

.form-group.has-error .error-msg {
  display: block;
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--spacing-2xl);
}

.form-success.show {
  display: block;
}

.form-success h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-success);
}

.form-success p {
  color: var(--color-text-secondary);
}

.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.contact-info-card {
  padding: var(--spacing-2xl);
}

.contact-info-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

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

.contact-info-item svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-cyan);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-info-item .info-text h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.contact-info-item .info-text p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.map-placeholder {
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  background:
    radial-gradient(circle at 30% 30%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    var(--glass-bg);
}

.map-placeholder svg {
  width: 48px;
  height: 48px;
  stroke: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.map-placeholder p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* --- Blog / Article --- */
.article-header {
  padding-bottom: var(--spacing-3xl);
}

.article-header h1 {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.article-tag {
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-cyan-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-date,
.article-read-time {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.article-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

.article-author .author-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: var(--color-bg-primary);
  flex-shrink: 0;
}

.article-author .author-info h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.article-author .author-info p {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.article-container {
  max-width: 760px;
}

.article-body p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: 1.85;
  margin-bottom: var(--spacing-lg);
}

.article-body a {
  color: var(--color-cyan);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.article-body a:hover {
  color: var(--color-cyan-light);
}

.article-intro {
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-2xl);
}

.article-intro p {
  font-size: var(--font-size-lg);
  line-height: 1.8;
}

.article-step {
  margin-bottom: var(--spacing-3xl);
  position: relative;
}

.step-number-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  font-weight: 800;
  font-size: var(--font-size-base);
  color: var(--color-bg-primary);
  margin-bottom: var(--spacing-md);
}

.article-step h2 {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.article-tip {
  padding: var(--spacing-xl) var(--spacing-2xl);
  margin: var(--spacing-xl) 0;
}

.article-tip h4 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-cyan);
  margin-bottom: var(--spacing-md);
}

.article-tip ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.article-tip li {
  position: relative;
  padding-left: var(--spacing-lg);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.article-tip li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
}

.article-body code {
  padding: 0.15em 0.4em;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.15);
  border-radius: var(--radius-sm);
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.875em;
  color: var(--color-cyan-light);
}

.article-body em {
  font-style: italic;
  color: var(--color-text-primary);
}

.article-body strong {
  font-weight: 700;
  color: var(--color-text-primary);
}

.article-conclusion {
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

.article-conclusion h2 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
}

.article-cta {
  padding: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

.article-cta h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.article-cta p {
  margin-bottom: 0;
}

/* --- Featured Blog Card (homepage) --- */
.featured-post {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  overflow: hidden;
  padding: 0;
}

.featured-post-visual {
  position: relative;
  min-height: 320px;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(6, 182, 212, 0.2) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 70%, rgba(139, 92, 246, 0.2) 0%, transparent 60%),
    var(--color-bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.featured-post-visual .visual-icon {
  width: 120px;
  height: 120px;
  stroke: rgba(6, 182, 212, 0.3);
  opacity: 0.8;
}

.featured-post-content {
  padding: var(--spacing-3xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--spacing-md);
}

.featured-post-content .article-tag {
  align-self: flex-start;
}

.featured-post-content h3 {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  line-height: 1.3;
}

.featured-post-content p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.featured-post-content .card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-cyan);
  margin-top: auto;
  transition: gap var(--transition-base);
}

.featured-post:hover .card-link {
  gap: var(--spacing-sm);
}

/* --- Gradient Text Utility --- */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-2xl); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .about-story { grid-template-columns: 1fr; }
  .about-graphic { max-width: 400px; margin: 0 auto; }
}

@media (max-width: 768px) {
  :root {
    --font-size-6xl: 2.5rem;
    --font-size-5xl: 2.25rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--spacing-2xl);
    background: rgba(10, 15, 26, 0.98);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    gap: var(--spacing-lg);
  }

  .nav-links a {
    font-size: var(--font-size-lg);
  }

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

  .nav-toggle {
    display: flex;
  }

  .nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
  }

  .nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }

  .timeline {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-2xl);
    padding-left: var(--spacing-3xl);
  }

  .timeline::before {
    top: var(--spacing-2xl);
    bottom: var(--spacing-2xl);
    left: 28px;
    right: unset;
    width: 2px;
    height: auto;
  }

  .timeline-step {
    flex-direction: row;
    text-align: left;
    gap: var(--spacing-md);
  }

  .timeline-step .step-num {
    width: 48px;
    height: 48px;
    font-size: var(--font-size-base);
    flex-shrink: 0;
    margin-bottom: 0;
  }

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

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

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

  .featured-post-visual {
    min-height: 200px;
  }

  .featured-post-content {
    padding: var(--spacing-2xl);
  }

  .article-meta {
    gap: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }

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

  .grid-4 { grid-template-columns: 1fr; }

  .section {
    padding: var(--spacing-3xl) 0;
  }
}