/* ============================================
   DEEP TECHNOLOGIES INC — Main Stylesheet
   Dark Cybersecurity Theme
   ============================================ */

@import url('https://api.fontshare.com/v2/css?f[]=cabinet-grotesk@400,500,700,800&f[]=satoshi@400,500,700&display=swap');

/* ============ DESIGN TOKENS ============ */
:root {
  /* Type scale */
  --text-xs:   clamp(0.75rem,  0.7rem + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem + 0.75vw,   1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem + 4vw,      5rem);

  /* Spacing */
  --space-1: 0.25rem; --space-2: 0.5rem;  --space-3: 0.75rem;
  --space-4: 1rem;    --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem;    --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;   --space-20: 5rem;   --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --content-narrow: 640px;
  --content-default: 1000px;
  --content-wide: 1200px;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body:    'Satoshi', 'Inter', sans-serif;
}

/* ============ DARK THEME (Default) ============ */
:root, [data-theme="dark"] {
  --color-bg:             #080c14;
  --color-surface:        #0d1322;
  --color-surface-2:      #111827;
  --color-surface-offset: #141c2e;
  --color-border:         #1e2d47;
  --color-divider:        #162035;

  --color-text:        #e2e8f0;
  --color-text-muted:  #8892a4;
  --color-text-faint:  #4a5568;
  --color-text-inverse: #080c14;

  /* Electric Blue Accent */
  --color-primary:          #3b82f6;
  --color-primary-hover:    #2563eb;
  --color-primary-active:   #1d4ed8;
  --color-primary-glow:     rgba(59, 130, 246, 0.15);
  --color-primary-glow-md:  rgba(59, 130, 246, 0.25);

  /* Cyber Green (success/status) */
  --color-success: #10b981;
  --color-success-dim: rgba(16, 185, 129, 0.12);

  /* Alert Red */
  --color-danger: #ef4444;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 24px rgba(59,130,246,0.2);
}

/* ============ LIGHT THEME ============ */
[data-theme="light"] {
  --color-bg:             #f8fafc;
  --color-surface:        #ffffff;
  --color-surface-2:      #f1f5f9;
  --color-surface-offset: #e2e8f0;
  --color-border:         #cbd5e1;
  --color-divider:        #e2e8f0;

  --color-text:        #0f172a;
  --color-text-muted:  #475569;
  --color-text-faint:  #94a3b8;
  --color-text-inverse: #f8fafc;

  --color-primary:          #2563eb;
  --color-primary-hover:    #1d4ed8;
  --color-primary-active:   #1e40af;
  --color-primary-glow:     rgba(37, 99, 235, 0.1);
  --color-primary-glow-md:  rgba(37, 99, 235, 0.2);

  --color-success: #059669;
  --color-success-dim: rgba(5, 150, 105, 0.1);
  --color-danger: #dc2626;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.15);
  --shadow-glow: 0 0 24px rgba(37,99,235,0.12);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg:             #f8fafc;
    --color-surface:        #ffffff;
    --color-surface-2:      #f1f5f9;
    --color-surface-offset: #e2e8f0;
    --color-border:         #cbd5e1;
    --color-divider:        #e2e8f0;
    --color-text:        #0f172a;
    --color-text-muted:  #475569;
    --color-text-faint:  #94a3b8;
    --color-text-inverse: #f8fafc;
    --color-primary:          #2563eb;
    --color-primary-hover:    #1d4ed8;
    --color-primary-active:   #1e40af;
    --color-primary-glow:     rgba(37, 99, 235, 0.1);
    --color-primary-glow-md:  rgba(37, 99, 235, 0.2);
    --color-success: #059669;
    --color-success-dim: rgba(5, 150, 105, 0.1);
    --color-danger: #dc2626;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.15);
    --shadow-glow: 0 0 24px rgba(37,99,235,0.12);
  }
}

/* ============ BASE RESET ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
}
img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1,h2,h3,h4,h5,h6 { text-wrap: balance; line-height: 1.15; }
p, li, figcaption { text-wrap: pretty; max-width: 68ch; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--color-primary-glow-md); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }

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

/* ============ LAYOUT ============ */
.container {
  width: 100%;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.container--wide { max-width: var(--content-wide); }
.container--narrow { max-width: var(--content-narrow); }

/* ============ HEADER / NAV ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.nav-logo:hover { color: var(--color-primary); }
.nav-logo svg { flex-shrink: 0; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--color-text); }
.nav-links a.active { color: var(--color-primary); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.btn-theme {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition), background var(--transition);
}
.btn-theme:hover { color: var(--color-text); background: var(--color-surface-offset); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  color: var(--color-text);
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: currentColor; border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    display: block;
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
  }
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background var(--transition), color var(--transition),
              box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 0 0 0 var(--color-primary-glow);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-glow);
}

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

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  padding-inline: var(--space-3);
}
.btn-ghost:hover { color: var(--color-text); background: var(--color-surface-offset); }

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

/* ============ HERO ============ */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(var(--space-20), 12vw, var(--space-32));
  text-align: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, black 30%, transparent 100%);
}
.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(59,130,246,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content { position: relative; z-index: 1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4) var(--space-1) var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}
.hero-badge-dot {
  width: 6px; height: 6px;
  background: var(--color-success);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--color-success);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: var(--space-6);
  max-width: 14ch;
  margin-inline: auto;
}
.hero h1 .accent { color: var(--color-primary); }

.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 50ch;
  margin-inline: auto;
  margin-bottom: var(--space-10);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-12);
  margin-top: var(--space-16);
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat-num {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}
.hero-stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============ TRUST BAR ============ */
.trust-bar {
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}
.trust-item svg { color: var(--color-primary); flex-shrink: 0; }

/* ============ SECTIONS ============ */
.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-5);
}
.section-body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 55ch;
  line-height: 1.7;
}

/* ============ SERVICES CARDS ============ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-12);
}
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}
.service-card:hover::before { opacity: 1; }

.service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  background: var(--color-primary-glow);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
  color: var(--color-primary);
}
.service-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.service-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-5);
}
.service-price {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-primary);
}
.service-price span {
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-muted);
}

/* ============ THREAT TICKER (decorative) ============ */
.threat-ticker {
  overflow: hidden;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-3);
}
.ticker-track {
  display: flex;
  gap: var(--space-12);
  animation: ticker 30s linear infinite;
  width: max-content;
}
.ticker-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
  font-weight: 500;
}
.ticker-dot { width: 5px; height: 5px; background: var(--color-danger); border-radius: 50%; }
.ticker-dot.green { background: var(--color-success); }
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.threat-ticker:hover .ticker-track { animation-play-state: paused; }

/* ============ WHY US (3-col) ============ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-12);
}
.why-item { }
.why-num {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-border);
  line-height: 1;
  margin-bottom: var(--space-4);
  letter-spacing: -0.04em;
}
.why-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.why-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ============ PROCESS STEPS ============ */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-12);
  counter-reset: step;
}
.process-step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  position: relative;
}
.step-num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}
.step-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.step-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============ CTA BANNER ============ */
.cta-banner {
  position: relative;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-10), 6vw, var(--space-16));
  text-align: center;
}
.cta-banner-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 500px; height: 200px;
  background: radial-gradient(ellipse, rgba(59,130,246,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.cta-banner h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
  position: relative;
}
.cta-banner p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  position: relative;
}
.cta-banner .hero-actions { position: relative; }

/* ============ FOOTER ============ */
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-12);
  margin-top: var(--space-16);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}
.footer-brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 30ch;
  line-height: 1.65;
  margin-top: var(--space-4);
}
.footer-col h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-5);
  color: var(--color-text);
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--color-text); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-bottom p { font-size: var(--text-xs); color: var(--color-text-faint); }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============ PAGE HEADER ============ */
.page-header {
  padding-block: clamp(var(--space-16), 8vw, var(--space-20));
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.page-header h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
}
.page-header p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  max-width: 52ch;
}

/* ============ CONTACT FORM ============ */
.form-grid { display: grid; gap: var(--space-5); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}
.form-textarea { resize: vertical; min-height: 120px; }

/* ============ BLOG CARDS ============ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-12);
}
.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.blog-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.blog-card-img {
  height: 180px;
  background: var(--color-surface-offset);
  overflow: hidden;
  position: relative;
}
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; }
.blog-card-body { padding: var(--space-6); }
.blog-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.blog-card-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-3);
  line-height: 1.3;
}
.blog-meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ============ ABOUT STATS ============ */
.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-6);
  margin-block: var(--space-12);
}
.about-stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}
.about-stat-num {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}
.about-stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============ CERTIFICATIONS / BADGES ============ */
.cert-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.cert-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-success-dim);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-success);
}

/* ============ NOTIFICATION BANNER ============ */
.alert-banner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
}
.alert-icon { color: var(--color-danger); flex-shrink: 0; }

/* ============ SKELETON / SR-ONLY ============ */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

/* ============ SCROLL ANIMATIONS ============ */
[data-animate] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s cubic-bezier(0.16,1,0.3,1),
              transform 0.55s cubic-bezier(0.16,1,0.3,1);
}
[data-animate].animated {
  opacity: 1;
  transform: translateY(0);
}
[data-animate][data-delay="1"] { transition-delay: 0.08s; }
[data-animate][data-delay="2"] { transition-delay: 0.16s; }
[data-animate][data-delay="3"] { transition-delay: 0.24s; }
[data-animate][data-delay="4"] { transition-delay: 0.32s; }