/* ================================================================
   CLAED3D.COM — Main Stylesheet
   Stack: Vanilla CSS  |  Aesthetic: Cyber-Noir / Glassmorphism
   Team: DeepSeek (Architecture) · Gemini (Strategy) · Claude (Build)
   ================================================================ */

/* ---------------------------------------------------------------
   1. DESIGN TOKENS
--------------------------------------------------------------- */
:root {
  /* Colours */
  --clr-bg:             #0a0a0a;
  --clr-surface:        #111114;
  --clr-surface-alt:    #18181f;
  --clr-border:         rgba(255, 255, 255, 0.06);
  --clr-border-hover:   rgba(0, 229, 255, 0.40);
  --clr-text-primary:   #f0f0f8;
  --clr-text-secondary: #888899;
  --clr-text-muted:     #555566;
  --clr-accent-cyan:    #00e5ff;
  --clr-accent-magenta: #d400ff;
  --clr-accent-amber:   #ffb800;
  --clr-glow-cyan:      rgba(0, 229, 255, 0.25);
  --clr-glow-magenta:   rgba(212, 0, 255, 0.20);
  --clr-glow-amber:     rgba(255, 184, 0, 0.20);

  /* Typography */
  --font-heading: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;
  --fw-regular:   400;
  --fw-medium:    500;
  --fw-bold:      700;

  --fs-hero: clamp(3.5rem, 9vw,   7rem);
  --fs-3xl:  clamp(2.5rem, 6vw,   3.75rem);
  --fs-2xl:  clamp(1.75rem, 5vw,  2.5rem);
  --fs-xl:   clamp(1.375rem, 4vw, 1.75rem);
  --fs-lg:   clamp(1.125rem, 3vw, 1.375rem);
  --fs-md:   clamp(1rem, 2.5vw,   1.125rem);
  --fs-base: clamp(0.9rem, 2vw,   1rem);
  --fs-sm:   clamp(0.8rem, 2vw,   0.9rem);
  --fs-xs:   clamp(0.7rem, 1.5vw, 0.8rem);

  --lh-tight:  1.1;
  --lh-snug:   1.3;
  --lh-base:   1.6;
  --lh-wide:   1.75;

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

  /* Borders & Effects */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   32px;
  --radius-full: 9999px;
  --blur-glass:  blur(16px);

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast:    0.15s;
  --dur-base:    0.3s;
  --dur-slow:    0.6s;
  --dur-reveal:  0.8s;

  /* Layout */
  --container-max: 1280px;
  --container-pad: clamp(1rem, 5vw, 2rem);
  --navbar-h:      4rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  tab-size: 4;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--clr-text-primary);
  background-color: var(--clr-bg);
  overflow-x: hidden;
}

img, video, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: var(--lh-tight);
  font-weight: var(--fw-bold);
}

::selection {
  background: var(--clr-accent-cyan);
  color: #000;
}

:focus-visible {
  outline: 2px solid var(--clr-accent-cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Custom scrollbar */
::-webkit-scrollbar        { width: 6px; }
::-webkit-scrollbar-track  { background: var(--clr-bg); }
::-webkit-scrollbar-thumb  { background: var(--clr-surface-alt); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--clr-accent-cyan); }

/* ---------------------------------------------------------------
   3. UTILITIES
--------------------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--sp-4);
  z-index: 9999;
  background: var(--clr-accent-cyan);
  color: #000;
  font-weight: var(--fw-bold);
  font-size: var(--fs-sm);
  padding: var(--sp-2) var(--sp-4);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: top var(--dur-fast);
}
.skip-link:focus { top: 0; }

/* ---------------------------------------------------------------
   4. BUTTONS
--------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.7em 1.4em;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: var(--fw-medium);
  font-size: var(--fs-sm);
  letter-spacing: 0.02em;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  transition:
    transform  var(--dur-base) var(--ease-out-expo),
    box-shadow var(--dur-base) var(--ease-out-expo),
    background var(--dur-base),
    border-color var(--dur-base),
    color var(--dur-base);
}
.btn:active { transform: scale(0.97); }

.btn__icon { width: 1em; height: 1em; flex-shrink: 0; }

.btn--primary {
  background: var(--clr-accent-cyan);
  color: #000;
  box-shadow: 0 0 20px var(--clr-glow-cyan);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.4), 0 8px 24px rgba(0, 229, 255, 0.15);
}

.btn--secondary {
  background: rgba(212, 0, 255, 0.08);
  color: var(--clr-accent-magenta);
  border: 1px solid rgba(212, 0, 255, 0.35);
}
.btn--secondary:hover {
  background: rgba(212, 0, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 0 24px var(--clr-glow-magenta);
}

.btn--outline {
  background: transparent;
  color: var(--clr-text-primary);
  border: 1px solid var(--clr-border);
}
.btn--outline:hover {
  border-color: var(--clr-accent-cyan);
  color: var(--clr-accent-cyan);
  transform: translateY(-2px);
}

.btn--nav {
  background: rgba(0, 229, 255, 0.08);
  color: var(--clr-accent-cyan);
  border: 1px solid rgba(0, 229, 255, 0.20);
  padding: 0.4em 1em;
  font-size: var(--fs-xs);
}
.btn--nav:hover {
  background: rgba(0, 229, 255, 0.15);
  box-shadow: 0 0 16px var(--clr-glow-cyan);
}

/* ---------------------------------------------------------------
   5. NAVBAR
--------------------------------------------------------------- */
.navbar {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  height: var(--navbar-h);
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background     var(--dur-base),
    backdrop-filter var(--dur-base),
    border-color   var(--dur-base);
}
.navbar.scrolled {
  background: rgba(10, 10, 10, 0.82);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border-bottom-color: var(--clr-border);
}

.navbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  letter-spacing: -0.025em;
  transition: opacity var(--dur-fast);
}
.navbar__logo:hover { opacity: 0.8; }

.navbar__logo-text {
  background: linear-gradient(120deg, var(--clr-accent-cyan) 0%, #fff 55%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar__logo-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-accent-cyan);
  box-shadow: 0 0 10px var(--clr-accent-cyan);
  flex-shrink: 0;
  animation: dot-pulse 3s ease-in-out infinite;
}
@keyframes dot-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 10px var(--clr-accent-cyan); }
  50%       { opacity: 0.6; box-shadow: 0 0 4px var(--clr-accent-cyan); }
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}

.navbar__link {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text-secondary);
  position: relative;
  transition: color var(--dur-fast);
}
.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--clr-accent-cyan);
  box-shadow: 0 0 6px var(--clr-accent-cyan);
  transition: width var(--dur-base) var(--ease-out-expo);
}
.navbar__link:hover { color: var(--clr-text-primary); }
.navbar__link:hover::after { width: 100%; }

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
  z-index: 101;
}
.navbar__toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--dur-base) var(--ease-out-expo),
              opacity  var(--dur-base),
              background var(--dur-fast);
  transform-origin: center;
}
.navbar__toggle.active .navbar__toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle.active .navbar__toggle-bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.navbar__toggle.active .navbar__toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------------------------------------------------------
   6. MOBILE OVERLAY
--------------------------------------------------------------- */
.mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(5, 5, 8, 0.97);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity    var(--dur-base) var(--ease-out-expo),
    visibility var(--dur-base);
}
.mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-8);
  text-align: center;
}

.mobile-nav__link {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--clr-text-secondary);
  opacity: 0;
  transform: translateY(20px);
  transition:
    color     var(--dur-fast),
    opacity   var(--dur-slow) var(--ease-out-expo),
    transform var(--dur-slow) var(--ease-out-expo);
}
.mobile-overlay.active .mobile-nav__link        { opacity: 1; transform: translateY(0); }
.mobile-overlay.active .mobile-nav__link:nth-child(1) { transition-delay: 0.05s; }
.mobile-overlay.active .mobile-nav__link:nth-child(2) { transition-delay: 0.10s; }
.mobile-overlay.active .mobile-nav__link:nth-child(3) { transition-delay: 0.15s; }
.mobile-overlay.active .mobile-nav__link:nth-child(4) { transition-delay: 0.20s; }
.mobile-nav__link:hover              { color: var(--clr-text-primary); }
.mobile-nav__link--cta               { color: var(--clr-accent-cyan); }
.mobile-nav__link--cta:hover         { text-shadow: 0 0 24px var(--clr-accent-cyan); }

/* ---------------------------------------------------------------
   7. HERO
--------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero__starfield {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 80%);
}

.hero__glow-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  will-change: transform;
}
.hero__glow-orb--cyan {
  width: 700px;
  height: 700px;
  top: -200px;
  left: -150px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.10) 0%, transparent 65%);
  filter: blur(60px);
}
.hero__glow-orb--magenta {
  width: 500px;
  height: 500px;
  bottom: -100px;
  right: -80px;
  background: radial-gradient(circle, rgba(212, 0, 255, 0.09) 0%, transparent 65%);
  filter: blur(60px);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--navbar-h) + var(--sp-12));
  padding-bottom: var(--sp-24);
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--clr-accent-cyan);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: var(--sp-4);
}
.hero__eyebrow-line {
  display: inline-block;
  width: 36px;
  height: 1px;
  background: var(--clr-accent-cyan);
  box-shadow: 0 0 6px var(--clr-accent-cyan);
}

.hero__title {
  font-size: var(--fs-hero);
  font-weight: var(--fw-bold);
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(125deg, #ffffff 0%, #ffffff 40%, var(--clr-accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--sp-5);
}

.hero__subtitle {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2) var(--sp-3);
  font-family: var(--font-heading);
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  color: var(--clr-text-secondary);
  margin-bottom: var(--sp-10);
  max-width: 640px;
}
.subtitle-item { transition: color var(--dur-fast); }
.subtitle-item:hover { color: var(--clr-text-primary); cursor: default; }
.subtitle-sep { color: var(--clr-accent-cyan); opacity: 0.45; font-size: 0.7em; }

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.hero__scroll-hint {
  position: absolute;
  bottom: var(--sp-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--clr-text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.hero__scroll-line {
  width: 1px;
  height: 44px;
  background: linear-gradient(to bottom, transparent, var(--clr-accent-cyan));
  animation: scroll-pulse 2.4s ease-in-out infinite;
}
@keyframes scroll-pulse {
  0%, 100% { opacity: 0.2; }
  50%       { opacity: 1; }
}

/* ---------------------------------------------------------------
   8. SECTION BASE
--------------------------------------------------------------- */
.section { padding-block: var(--sp-24); }

.section-header { max-width: 580px; margin-bottom: var(--sp-12); }

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--clr-accent-cyan);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}

.section-title {
  font-size: var(--fs-3xl);
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-4);
}

.section-desc {
  font-size: var(--fs-md);
  color: var(--clr-text-secondary);
  line-height: var(--lh-wide);
}

/* ---------------------------------------------------------------
   9. CARDS GRID
--------------------------------------------------------------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: var(--sp-6);
}

/* ---------------------------------------------------------------
   10. CARD
--------------------------------------------------------------- */
.card {
  --card-accent: var(--clr-accent-cyan);
  position: relative;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  overflow: hidden;
  transition:
    transform     var(--dur-base) var(--ease-out-expo),
    border-color  var(--dur-base),
    box-shadow    var(--dur-base),
    background    var(--dur-base);
  cursor: default;
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--card-accent);
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.35),
    0 0 0 1px var(--card-accent),
    0 0 40px rgba(0, 229, 255, 0.07);
}

.card[data-accent="cyan"]    { --card-accent: var(--clr-accent-cyan); }
.card[data-accent="magenta"] { --card-accent: var(--clr-accent-magenta); }
.card[data-accent="amber"]   { --card-accent: var(--clr-accent-amber); }

.card[data-accent="magenta"]:hover {
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.35),
    0 0 0 1px var(--clr-accent-magenta),
    0 0 40px rgba(212, 0, 255, 0.07);
}
.card[data-accent="amber"]:hover {
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.35),
    0 0 0 1px var(--clr-accent-amber),
    0 0 40px rgba(255, 184, 0, 0.07);
}

.card--featured {
  background: linear-gradient(145deg, rgba(255, 184, 0, 0.04) 0%, transparent 50%);
}

.card__icon-wrap {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background   var(--dur-base),
    border-color var(--dur-base),
    transform    var(--dur-base) var(--ease-out-back);
}
.card:hover .card__icon-wrap {
  border-color: var(--card-accent);
  transform: rotate(6deg) scale(1.06);
}
.card[data-accent="cyan"]:hover    .card__icon-wrap { background: rgba(0, 229, 255, 0.08); }
.card[data-accent="magenta"]:hover .card__icon-wrap { background: rgba(212, 0, 255, 0.08); }
.card[data-accent="amber"]:hover   .card__icon-wrap { background: rgba(255, 184, 0, 0.08); }

.card__icon {
  width: 26px;
  height: 26px;
  color: var(--card-accent);
  transition: color var(--dur-base);
}

.card__body {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  flex: 1;
}

.card__title {
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
}

.card__desc {
  font-size: var(--fs-sm);
  color: var(--clr-text-secondary);
  line-height: var(--lh-wide);
  flex: 1;
}

.card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--card-accent);
  transition: gap var(--dur-fast);
}
.card__cta svg { width: 14px; height: 14px; transition: transform var(--dur-base) var(--ease-out-expo); }
.card__cta:hover svg { transform: translateX(5px); }
.card__cta:hover { gap: var(--sp-3); }

.card__badge {
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-4);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  background: rgba(0, 229, 255, 0.10);
  color: var(--clr-accent-cyan);
  border: 1px solid rgba(0, 229, 255, 0.20);
}
.card__badge--live {
  background: rgba(212, 0, 255, 0.10);
  color: var(--clr-accent-magenta);
  border-color: rgba(212, 0, 255, 0.22);
}

/* Mouse-tracking inner glow */
.card__glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    circle 160px at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(255, 255, 255, 0.035) 0%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity var(--dur-base);
  pointer-events: none;
}
.card:hover .card__glow { opacity: 1; }

/* ---------------------------------------------------------------
   11. STATS SECTION
--------------------------------------------------------------- */
.stats-section {
  padding-block: var(--sp-16);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  background: linear-gradient(180deg,
    transparent,
    rgba(0, 229, 255, 0.018),
    transparent
  );
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--sp-8);
  text-align: center;
}

.stat { position: relative; }

.stat__number {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #fff 0%, var(--clr-accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat__suffix {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--clr-accent-cyan);
}

.stat__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--clr-text-secondary);
  letter-spacing: 0.06em;
  margin-top: var(--sp-2);
}

/* ---------------------------------------------------------------
   12. CTA BAND
--------------------------------------------------------------- */
.cta-band { padding-block: var(--sp-16); }

.cta-band__inner {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-12);
}
.cta-band__inner::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(ellipse 50% 80% at 0% 50%, rgba(0, 229, 255, 0.05) 0%, transparent 100%),
    radial-gradient(ellipse 50% 80% at 100% 50%, rgba(212, 0, 255, 0.04) 0%, transparent 100%);
  pointer-events: none;
}

.cta-band__text  { position: relative; }
.cta-band__title {
  font-size: var(--fs-2xl);
  letter-spacing: -0.03em;
}
.cta-band__desc {
  color: var(--clr-text-secondary);
  font-size: var(--fs-md);
  margin-top: var(--sp-2);
}

.cta-band__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

/* ---------------------------------------------------------------
   13. FOOTER
--------------------------------------------------------------- */
.footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding-top: var(--sp-16);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr auto;
  align-items: start;
  gap: var(--sp-12);
  padding-bottom: var(--sp-12);
}

.footer__logo {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-3);
  background: linear-gradient(120deg, var(--clr-accent-cyan) 0%, #fff 60%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: opacity var(--dur-fast);
}
.footer__logo:hover { opacity: 0.8; }

.footer__tagline {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--clr-text-secondary);
  letter-spacing: 0.05em;
}

.footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.footer__nav a {
  font-size: var(--fs-sm);
  color: var(--clr-text-secondary);
  transition: color var(--dur-fast);
}
.footer__nav a:hover { color: var(--clr-accent-cyan); }

.footer__social {
  display: flex;
  flex-direction: row;
  gap: var(--sp-3);
}
.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-secondary);
  transition:
    color      var(--dur-base),
    background var(--dur-base),
    border-color var(--dur-base),
    box-shadow var(--dur-base),
    transform  var(--dur-base) var(--ease-out-expo);
}
.footer__social-link svg { width: 18px; height: 18px; }
.footer__social-link:hover {
  color: var(--clr-accent-cyan);
  border-color: rgba(0, 229, 255, 0.3);
  background: rgba(0, 229, 255, 0.06);
  box-shadow: 0 0 16px var(--clr-glow-cyan);
  transform: translateY(-3px);
}

.footer__bottom {
  border-top: 1px solid var(--clr-border);
  padding-block: var(--sp-5);
}
.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
}
.footer__copy {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
}
.footer__links {
  display: flex;
  gap: var(--sp-6);
}
.footer__links a {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  transition: color var(--dur-fast);
}
.footer__links a:hover { color: var(--clr-text-secondary); }

/* ---------------------------------------------------------------
   14. SCROLL REVEAL ANIMATIONS
--------------------------------------------------------------- */
.reveal,
.reveal-card,
.reveal-stat {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity   var(--dur-reveal) var(--ease-out-expo),
    transform var(--dur-reveal) var(--ease-out-expo);
}
.reveal.visible,
.reveal-card.visible,
.reveal-stat.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger cards */
.reveal-card:nth-child(1) { transition-delay: 0.00s; }
.reveal-card:nth-child(2) { transition-delay: 0.07s; }
.reveal-card:nth-child(3) { transition-delay: 0.14s; }
.reveal-card:nth-child(4) { transition-delay: 0.21s; }
.reveal-card:nth-child(5) { transition-delay: 0.28s; }
.reveal-card:nth-child(6) { transition-delay: 0.35s; }
.reveal-card:nth-child(7) { transition-delay: 0.42s; }

/* Stagger stats */
.reveal-stat:nth-child(1) { transition-delay: 0.00s; }
.reveal-stat:nth-child(2) { transition-delay: 0.08s; }
.reveal-stat:nth-child(3) { transition-delay: 0.16s; }
.reveal-stat:nth-child(4) { transition-delay: 0.24s; }

/* ---------------------------------------------------------------
   15. RESPONSIVE
--------------------------------------------------------------- */
@media (max-width: 1024px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
  .footer__social {
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: flex-start;
  }
}

@media (max-width: 768px) {
  nav#nav-menu { display: none; }
  .navbar__toggle { display: flex; }

  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  }

  .cta-band__inner { padding: var(--sp-8); }
  .cta-band__inner > * { width: 100%; }
  .cta-band__actions { flex-direction: column; }
  .cta-band__actions .btn { justify-content: center; }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }

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

@media (max-width: 480px) {
  .hero__ctas { flex-direction: column; align-items: flex-start; }
  .hero__subtitle { font-size: var(--fs-base); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--sp-6); }
}

/* ---------------------------------------------------------------
   16. REDUCED MOTION
--------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration:       0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration:      0.01ms !important;
    scroll-behavior:          auto   !important;
  }
  .reveal, .reveal-card, .reveal-stat {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html { scroll-behavior: auto; }
}

/* ---------------------------------------------------------------
   17. PRINT
--------------------------------------------------------------- */
@media print {
  .navbar, .hero__bg, .mobile-overlay, .hero__scroll-hint { display: none; }
  body { background: #fff; color: #000; }
  a::after { content: " (" attr(href) ")"; }
}