/* style.css — NeoAgent Labs Design System */

/* ============================================
   FONTS
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ============================================
   DESIGN TOKENS
   ============================================ */
:root {
  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Fluid type scale */
  --text-xs:   clamp(0.6875rem, 0.65rem + 0.2vw, 0.8125rem);
  --text-sm:   clamp(0.8125rem, 0.75rem + 0.3vw, 0.9375rem);
  --text-base: clamp(0.9375rem, 0.875rem + 0.3vw, 1.0625rem);
  --text-lg:   clamp(1.125rem, 1rem + 0.6vw, 1.375rem);
  --text-xl:   clamp(1.375rem, 1rem + 1.2vw, 2rem);
  --text-2xl:  clamp(1.75rem, 1.1rem + 2vw, 3rem);
  --text-3xl:  clamp(2.25rem, 0.8rem + 4vw, 4.5rem);
  --text-hero: clamp(2.75rem, 0.5rem + 6.5vw, 7rem);

  /* 4px 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;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-full: 9999px;

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

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Shadows for dark theme */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
}

/* ============================================
   DARK THEME (default)
   ============================================ */
:root, [data-theme="dark"] {
  --color-bg: #060608;
  --color-surface: #0c0c10;
  --color-surface-2: #111116;
  --color-surface-3: #16161c;
  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(255, 255, 255, 0.12);
  --color-divider: rgba(255, 255, 255, 0.04);

  --color-text: #e8e8ec;
  --color-text-muted: #8a8a96;
  --color-text-faint: #4a4a56;

  --color-accent: #00f0ff;
  --color-accent-dim: rgba(0, 240, 255, 0.12);
  --color-accent-muted: rgba(0, 240, 255, 0.06);
  --color-amber: #ffb800;
  --color-amber-dim: rgba(255, 184, 0, 0.1);

  color-scheme: dark;
}

/* ============================================
   LIGHT THEME
   ============================================ */
[data-theme="light"] {
  --color-bg: #f4f4f6;
  --color-surface: #ffffff;
  --color-surface-2: #f8f8fa;
  --color-surface-3: #ededf0;
  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-hover: rgba(0, 0, 0, 0.16);
  --color-divider: rgba(0, 0, 0, 0.05);

  --color-text: #111116;
  --color-text-muted: #5a5a66;
  --color-text-faint: #9a9aa6;

  --color-accent: #0090a0;
  --color-accent-dim: rgba(0, 144, 160, 0.1);
  --color-accent-muted: rgba(0, 144, 160, 0.05);
  --color-amber: #b88000;
  --color-amber-dim: rgba(184, 128, 0, 0.08);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);

  color-scheme: light;
}

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

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

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
.font-display { font-family: var(--font-display); }
.font-body    { font-family: var(--font-body); }
.font-mono    { font-family: var(--font-mono); }

.text-gradient {
  background: linear-gradient(135deg, #00f0ff 0%, #0080ff 50%, #00f0ff 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 6s ease-in-out infinite;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

[data-theme="light"] .text-gradient {
  background: linear-gradient(135deg, #007888 0%, #004488 50%, #007888 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 6s ease-in-out infinite;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 2px;
  height: 16px;
  background: var(--color-accent);
  border-radius: 1px;
  flex-shrink: 0;
}

.section-header--center .section-label {
  justify-content: center;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-4) 0;
  background: rgba(6, 6, 8, 0.8);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-interactive);
}

[data-theme="light"] .nav {
  background: rgba(244, 244, 246, 0.85);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-text);
  text-decoration: none;
}

.nav__logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
  animation: logo-pulse 3s ease-in-out infinite;
}

@keyframes logo-pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav__link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
  padding: var(--space-2) 0;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-text);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Theme toggle */
.theme-toggle {
  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-interactive), background var(--transition-interactive);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-accent-muted);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform var(--transition-interactive), opacity var(--transition-interactive);
}

.nav__hamburger.is-active span:nth-child(1) {
  transform: rotate(45deg) translate(4.5px, 4.5px);
}
.nav__hamburger.is-active span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger.is-active span:nth-child(3) {
  transform: rotate(-45deg) translate(4.5px, -4.5px);
}

/* Mobile nav */
.nav__mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 99;
  padding: calc(var(--space-16) + var(--space-8)) var(--space-6) var(--space-8);
  flex-direction: column;
  gap: var(--space-2);
}

.nav__mobile.is-open {
  display: flex;
}

.nav__mobile a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-interactive);
}

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

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__cta-desktop { display: none; }
  .nav__hamburger { display: flex; }
}

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

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn--primary {
  background: var(--color-accent);
  color: #060608;
  border: 1px solid transparent;
}

.btn--primary:hover {
  background: #33f3ff;
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.2);
  transform: translateY(-1px);
}

[data-theme="light"] .btn--primary {
  background: #007888;
  color: #fff;
}

[data-theme="light"] .btn--primary:hover {
  background: #006070;
  box-shadow: 0 4px 16px rgba(0, 120, 136, 0.2);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-hover);
}

.btn--ghost:hover {
  border-color: var(--color-text-muted);
  background: var(--color-accent-muted);
  transform: translateY(-1px);
}

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

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: calc(var(--space-16) + var(--space-8));
  padding-bottom: var(--space-16);
  overflow: hidden;
}

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

/* Subtle grid pattern — strengthened for v5 */
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
}

[data-theme="light"] .hero__grid {
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.05) 1px, transparent 1px);
}

/* Gradient orbs — slightly more visible for v5 */
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  will-change: transform;
}

.hero__orb--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.18) 0%, transparent 70%);
  top: -10%;
  left: -5%;
  animation: drift-1 20s ease-in-out infinite;
}

.hero__orb--2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 100, 255, 0.12) 0%, transparent 70%);
  bottom: -5%;
  right: -10%;
  animation: drift-2 25s ease-in-out infinite;
}

.hero__orb--3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: drift-3 18s ease-in-out infinite;
}

[data-theme="light"] .hero__orb--1 {
  background: radial-gradient(circle, rgba(0, 120, 136, 0.12) 0%, transparent 70%);
}
[data-theme="light"] .hero__orb--2 {
  background: radial-gradient(circle, rgba(0, 60, 120, 0.08) 0%, transparent 70%);
}
[data-theme="light"] .hero__orb--3 {
  background: radial-gradient(circle, rgba(0, 120, 136, 0.06) 0%, transparent 70%);
}

@keyframes drift-1 {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(30px, 20px); }
  50% { transform: translate(-20px, 40px); }
  75% { transform: translate(20px, -10px); }
}
@keyframes drift-2 {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(-30px, -20px); }
  66% { transform: translate(20px, -30px); }
}
@keyframes drift-3 {
  0%, 100% { transform: translate(-50%, -50%); }
  50% { transform: translate(calc(-50% + 20px), calc(-50% - 15px)); }
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 860px;
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.hero__headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-hero);
  color: var(--color-text);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: var(--space-6);
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text-muted);
  max-width: 550px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
  line-height: 1.6;
}

.hero__ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-16);
}

/* Agent diagram */
.hero__diagram {
  position: relative;
  width: 240px;
  height: 210px;
  margin: 0 auto;
  opacity: 0.6;
}

.hero__diagram svg {
  width: 100%;
  height: 100%;
}

.diagram-line {
  stroke: var(--color-accent);
  stroke-width: 1;
  opacity: 0.3;
}

.diagram-line--animated {
  stroke-dasharray: 6 6;
  animation: dash-flow 3s linear infinite;
}

@keyframes dash-flow {
  to { stroke-dashoffset: -24; }
}

.diagram-node {
  fill: var(--color-bg);
  stroke: var(--color-accent);
  stroke-width: 1;
  opacity: 0.5;
}

.diagram-label {
  font-family: var(--font-mono);
  font-size: 10px;
  fill: var(--color-text-muted);
  text-anchor: middle;
}

[data-theme="light"] .diagram-line {
  stroke: var(--color-accent);
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-8) 0;
  background: var(--color-surface);
}

.stats-bar__inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  text-align: center;
}

.stat__number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-2xl);
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-2);
}

.stat__number::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.4;
}

.stat__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-1);
  letter-spacing: 0.04em;
}

@media (max-width: 600px) {
  .stats-bar__inner {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* ============================================
   SECTION HEADER
   ============================================ */
.section-header {
  max-width: 600px;
  margin-bottom: var(--space-12);
}

.section-header--center {
  text-align: center;
  margin-inline: auto;
}

.section-header__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================================
   CAPABILITY CARDS
   ============================================ */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .capabilities-grid {
    grid-template-columns: 1fr;
  }
}

.cap-card {
  position: relative;
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
  /* Gradient border via background-clip trick */
  background-clip: padding-box;
  background-origin: padding-box;
}

/* Gradient border on hover using pseudo-element */
.cap-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  padding: 1px;
  background: linear-gradient(135deg, var(--color-border), var(--color-border));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
  transition: background 400ms var(--ease);
}

.cap-card:hover::before {
  background: linear-gradient(135deg, #00f0ff, #0060ff, #00f0ff);
}

[data-theme="light"] .cap-card:hover::before {
  background: linear-gradient(135deg, #0090a0, #004488, #0090a0);
}

.cap-card:hover {
  box-shadow: var(--shadow-md), inset 0 0 30px rgba(0, 240, 255, 0.03);
  transform: translateY(-2px);
}

[data-theme="light"] .cap-card:hover {
  box-shadow: var(--shadow-md), inset 0 0 30px rgba(0, 144, 160, 0.03);
}

/* Number indicator for capability cards */
.cap-card__number {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
  letter-spacing: 0.04em;
}

.cap-card__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}

.cap-card__icon svg {
  width: 24px;
  height: 24px;
}

.cap-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.cap-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================================
   HOW IT WORKS (Steps)
   ============================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  position: relative;
}

.steps__line {
  position: absolute;
  top: 28px;
  left: calc(12.5% + var(--space-3));
  right: calc(12.5% + var(--space-3));
  height: 1px;
  background: var(--color-border);
  z-index: 0;
}

/* Animated pulse on the line */
.steps__line::after {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  border-radius: 2px;
  animation: pulse-travel 4s ease-in-out infinite;
}

@keyframes pulse-travel {
  0% { left: -60px; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { left: calc(100% + 60px); opacity: 0; }
}

.step {
  position: relative;
  z-index: 1;
  text-align: center;
}

.step__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.step__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 220px;
  margin-inline: auto;
}

@media (max-width: 768px) {
  .steps {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  .steps__line { display: none; }
}

@media (max-width: 480px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   METRICS / RESULTS
   ============================================ */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.metric-card {
  padding: var(--space-8) var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.metric-card__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .metrics-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
}

@media (max-width: 480px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  position: relative;
  text-align: center;
  overflow: hidden;
}

.cta-section__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

[data-theme="light"] .cta-section__glow {
  background: radial-gradient(circle, rgba(0, 120, 136, 0.05) 0%, transparent 70%);
}

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

.cta-section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-3xl);
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.cta-section__text {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 500px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

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

/* ============================================
   FOOTER
   ============================================ */
/* Footer with top edge glow */
.footer {
  position: relative;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
  background: var(--color-bg);
}

.footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.5;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-top: var(--space-4);
  max-width: 280px;
}

.footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-faint);
  transition: color var(--transition-interactive),
              background var(--transition-interactive),
              transform var(--transition-interactive);
}

.footer__social a:hover {
  color: var(--color-text);
  background: var(--color-accent-muted);
  transform: scale(1.1);
}

.footer__social a svg {
  width: 18px;
  height: 18px;
}

.footer__heading {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: var(--space-5);
}

.footer__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__list a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
}

.footer__list a:hover {
  color: var(--color-text);
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.footer__contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-text-faint);
}

.footer__bar {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 480px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .footer__bar {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
  }
}

/* ============================================
   SUB-PAGE HERO
   ============================================ */
.sub-hero {
  padding: calc(var(--space-16) + var(--space-10)) 0 var(--space-10);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.sub-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-3xl);
  color: var(--color-text);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

.sub-hero__text {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 580px;
  margin-inline: auto;
}

/* ============================================
   SERVICE CARDS
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  position: relative;
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition-interactive);
}

/* Gradient border on hover using pseudo-element */
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  padding: 1px;
  background: linear-gradient(135deg, var(--color-border), var(--color-border));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
  transition: background 400ms var(--ease);
}

.service-card:hover::before {
  background: linear-gradient(135deg, #00f0ff, #0060ff, #00f0ff);
}

[data-theme="light"] .service-card:hover::before {
  background: linear-gradient(135deg, #0090a0, #004488, #0090a0);
}

.service-card:hover {
  box-shadow: var(--shadow-md), inset 0 0 30px rgba(0, 240, 255, 0.03);
}

[data-theme="light"] .service-card:hover {
  box-shadow: var(--shadow-md), inset 0 0 30px rgba(0, 144, 160, 0.03);
}

/* Numbered badge positioned at top-right of service cards */
.service-card__num-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
}

.service-card__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
}

.service-card__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent);
  background: var(--color-accent-dim);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.service-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-xl);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.service-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.service-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.service-card__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.service-card__list li svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: 3px;
}

/* ============================================
   TECH STACK
   ============================================ */
.tech-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.tech-category__title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-interactive), color var(--transition-interactive);
}

.tech-tag:hover {
  border-color: var(--color-border-hover);
  color: var(--color-text);
  border-left: 2px solid var(--color-accent);
  padding-left: calc(var(--space-3) - 1px);
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  position: relative;
}

.timeline__line {
  position: absolute;
  top: 12px;
  left: calc(12.5%);
  right: calc(12.5%);
  height: 1px;
  background: var(--color-border);
}

.timeline-item {
  text-align: center;
  position: relative;
}

.timeline-item__dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  margin: 0 auto var(--space-4);
  position: relative;
  z-index: 1;
}

.timeline-item__dot--active {
  background: var(--color-accent);
  animation: timeline-active-pulse 2s ease-in-out infinite;
}

@keyframes timeline-active-pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(0, 240, 255, 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(0, 240, 255, 0);
  }
}

[data-theme="light"] .timeline-item__dot--active {
  animation-name: timeline-active-pulse-light;
}

@keyframes timeline-active-pulse-light {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(0, 144, 160, 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(0, 144, 160, 0);
  }
}

.timeline-item__year {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.timeline-item__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .timeline {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  .timeline__line { display: none; }
}

@media (max-width: 480px) {
  .timeline {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   VALUES GRID
   ============================================ */
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.value-card {
  position: relative;
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
}

/* Gradient border on hover */
.value-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  padding: 1px;
  background: linear-gradient(135deg, var(--color-border), var(--color-border));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
  transition: background 400ms var(--ease);
}

.value-card:hover::before {
  background: linear-gradient(135deg, #00f0ff, #0060ff, #00f0ff);
}

[data-theme="light"] .value-card:hover::before {
  background: linear-gradient(135deg, #0090a0, #004488, #0090a0);
}

.value-card:hover {
  box-shadow: var(--shadow-md), inset 0 0 30px rgba(0, 240, 255, 0.03);
  transform: translateY(-2px);
}

[data-theme="light"] .value-card:hover {
  box-shadow: var(--shadow-md), inset 0 0 30px rgba(0, 144, 160, 0.03);
}

.value-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.value-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

@media (max-width: 600px) {
  .values-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   TEAM GRID
   ============================================ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.team-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.team-card__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-accent-dim);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  margin: 0 auto var(--space-4);
}

.team-card__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.team-card__role {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.team-card__bio {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .team-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .team-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   MISSION CARD
   ============================================ */
.mission-card {
  padding: var(--space-10) var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  max-width: 800px;
  margin-inline: auto;
}

.mission-card__text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.5;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-8);
  align-items: start;
}

@media (max-width: 768px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-input,
.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);
  color: var(--color-text);
  font-size: var(--text-base);
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-faint);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-dim), 0 0 16px rgba(0, 240, 255, 0.08);
}

[data-theme="light"] .form-input:focus,
[data-theme="light"] .form-textarea:focus {
  box-shadow: 0 0 0 3px var(--color-accent-dim), 0 0 16px rgba(0, 144, 160, 0.06);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

/* Contact sidebar cards */
.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.sidebar-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
}

.sidebar-card__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-2);
}

.sidebar-card__value {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}

.sidebar-card__value--accent {
  color: var(--color-accent);
}

/* Form success state */
.form-success {
  display: none;
  text-align: center;
  padding: var(--space-12) var(--space-8);
}

.form-success.is-visible {
  display: block;
}

.form-success__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.form-success__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
}

/* ============================================
   SCROLL REVEAL
   ============================================ */
.reveal {
  opacity: 0;
  transition: opacity 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
}

/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transition: opacity 500ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-stagger.is-visible > *:nth-child(1) { opacity: 1; transition-delay: 0ms; }
.reveal-stagger.is-visible > *:nth-child(2) { opacity: 1; transition-delay: 60ms; }
.reveal-stagger.is-visible > *:nth-child(3) { opacity: 1; transition-delay: 120ms; }
.reveal-stagger.is-visible > *:nth-child(4) { opacity: 1; transition-delay: 180ms; }
.reveal-stagger.is-visible > *:nth-child(5) { opacity: 1; transition-delay: 240ms; }
.reveal-stagger.is-visible > *:nth-child(6) { opacity: 1; transition-delay: 300ms; }

/* ============================================
   UTILITY
   ============================================ */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-faint { color: var(--color-text-faint); }
.text-accent { color: var(--color-accent); }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

/* ============================================
   V5 VISUAL UPGRADE — NEW FEATURES
   ============================================ */

/* ---------- Hero Node Network ---------- */
.hero__network {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 70%);
}

.hero__network svg {
  width: 100%;
  height: 100%;
}

.network-line {
  stroke: var(--color-accent);
  stroke-width: 0.5;
  opacity: 0.15;
}

.network-line--animated {
  stroke-dasharray: 8 12;
  animation: network-flow 8s linear infinite;
}

@keyframes network-flow {
  to { stroke-dashoffset: -40; }
}

.network-node {
  fill: var(--color-bg);
  stroke: var(--color-accent);
  stroke-width: 1;
  opacity: 0.5;
}

.network-node-glow {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 0.5;
  opacity: 0;
  animation: node-glow 4s ease-in-out infinite;
}

.network-node-glow:nth-child(2n) {
  animation-delay: -2s;
}

.network-node-glow:nth-child(3n) {
  animation-delay: -1s;
}

@keyframes node-glow {
  0%, 100% { opacity: 0; r: 5; }
  50% { opacity: 0.3; r: 14; }
}

[data-theme="light"] .network-line {
  stroke: var(--color-accent);
  opacity: 0.12;
}

[data-theme="light"] .network-node {
  fill: var(--color-bg);
}

/* ---------- Scanline / Noise Overlay ---------- */
.hero__noise {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.02;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* ---------- Section Gradient Dividers ---------- */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.2;
  border: none;
  margin: 0;
}

/* ---------- Section Depth / Stacking ---------- */
.section--stacked {
  position: relative;
  z-index: 1;
  background: var(--color-bg);
  box-shadow: 0 -1px 0 var(--color-border), 0 -8px 30px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .section--stacked {
  box-shadow: 0 -1px 0 var(--color-border), 0 -8px 30px rgba(0, 0, 0, 0.04);
}

/* ---------- Section Heading Radial Spotlight ---------- */
.section-header__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-2xl);
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  position: relative;
}

.section-header--center .section-header__title::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 200px;
  background: radial-gradient(ellipse, rgba(0, 240, 255, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

[data-theme="light"] .section-header--center .section-header__title::before {
  background: radial-gradient(ellipse, rgba(0, 144, 160, 0.04) 0%, transparent 70%);
}

/* ---------- Step Glow on Pulse Pass ---------- */
.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
  transition: box-shadow 300ms var(--ease), border-color 300ms var(--ease);
}

/* Each step glows sequentially via CSS animation */
.step:nth-child(2) .step__number {
  animation: step-glow 4s ease-in-out infinite;
  animation-delay: 0.4s;
}

.step:nth-child(3) .step__number {
  animation: step-glow 4s ease-in-out infinite;
  animation-delay: 1.2s;
}

.step:nth-child(4) .step__number {
  animation: step-glow 4s ease-in-out infinite;
  animation-delay: 2.0s;
}

.step:nth-child(5) .step__number {
  animation: step-glow 4s ease-in-out infinite;
  animation-delay: 2.8s;
}

@keyframes step-glow {
  0%, 15%, 100% {
    box-shadow: none;
    border-color: var(--color-border);
  }
  5%, 10% {
    box-shadow: 0 0 16px rgba(0, 240, 255, 0.3), 0 0 4px rgba(0, 240, 255, 0.15);
    border-color: rgba(0, 240, 255, 0.4);
  }
}

[data-theme="light"] .step:nth-child(n) .step__number {
  animation: step-glow-light 4s ease-in-out infinite;
}

[data-theme="light"] .step:nth-child(2) .step__number { animation-delay: 0.4s; }
[data-theme="light"] .step:nth-child(3) .step__number { animation-delay: 1.2s; }
[data-theme="light"] .step:nth-child(4) .step__number { animation-delay: 2.0s; }
[data-theme="light"] .step:nth-child(5) .step__number { animation-delay: 2.8s; }

@keyframes step-glow-light {
  0%, 15%, 100% {
    box-shadow: none;
    border-color: var(--color-border);
  }
  5%, 10% {
    box-shadow: 0 0 16px rgba(0, 144, 160, 0.2), 0 0 4px rgba(0, 144, 160, 0.1);
    border-color: rgba(0, 144, 160, 0.4);
  }
}

/* ---------- Button Shimmer Effect ---------- */
.btn--primary {
  position: relative;
  overflow: hidden;
}

.btn--primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: none;
  pointer-events: none;
}

.btn--primary:hover::after {
  animation: btn-shimmer 600ms var(--ease) forwards;
}

@keyframes btn-shimmer {
  to { left: 150%; }
}

/* ---------- Metric Card Number Underline ---------- */
.metric-card__number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-2xl);
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
  margin-bottom: var(--space-2);
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-2);
}

.metric-card__number::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.35;
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero__network,
  .hero__noise {
    display: none;
  }
}

/* ---------- Hero Diagram hidden (replaced by network) ---------- */
.hero__diagram {
  display: none;
}

/* ============================================
   V6 VISUAL UPGRADE — PREMIUM ENHANCEMENTS
   ============================================ */

/* ---------- 1. Interactive Particle Canvas ---------- */
.hero__particle-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 70%);
}

/* ---------- 2. Hero Text Entrance Animation ---------- */
@keyframes hero-clip-reveal {
  from {
    clip-path: inset(100% 0 0 0);
    opacity: 0;
  }
  to {
    clip-path: inset(0 0 0 0);
    opacity: 1;
  }
}

@keyframes hero-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.hero__content .eyebrow {
  opacity: 0;
  animation: hero-fade-in 600ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 0ms;
}

.hero__headline {
  opacity: 0;
  clip-path: inset(100% 0 0 0);
  animation: hero-clip-reveal 600ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 200ms;
}

.hero__subtitle {
  opacity: 0;
  animation: hero-fade-in 600ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 600ms;
}

.hero__ctas {
  opacity: 0;
  animation: hero-fade-in 600ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 800ms;
}

/* ---------- 3. Card Spotlight / Cursor Glow ---------- */
.cap-card,
.service-card,
.metric-card,
.value-card,
.team-card,
.sidebar-card {
  --mouse-x: 50%;
  --mouse-y: 50%;
}

.cap-card::after,
.service-card::after,
.metric-card::after,
.value-card::after,
.team-card::after,
.sidebar-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at var(--mouse-x) var(--mouse-y), rgba(0,240,255,0.06) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 300ms var(--ease);
  pointer-events: none;
  z-index: 2;
}

.cap-card:hover::after,
.service-card:hover::after,
.metric-card:hover::after,
.value-card:hover::after,
.team-card:hover::after,
.sidebar-card:hover::after {
  opacity: 1;
}

[data-theme="light"] .cap-card::after,
[data-theme="light"] .service-card::after,
[data-theme="light"] .metric-card::after,
[data-theme="light"] .value-card::after,
[data-theme="light"] .team-card::after,
[data-theme="light"] .sidebar-card::after {
  background: radial-gradient(circle at var(--mouse-x) var(--mouse-y), rgba(0,144,160,0.04) 0%, transparent 50%);
}

/* Ensure metric-card and team-card and sidebar-card have position relative for the ::after */
.metric-card,
.team-card,
.sidebar-card {
  position: relative;
  overflow: hidden;
}

/* ---------- 4. Logo Marquee / Social Proof ---------- */
.marquee-section {
  padding-block: var(--space-10);
  overflow: hidden;
  position: relative;
  z-index: 1;
  background: var(--color-bg);
}

.marquee-section .section-label {
  justify-content: center;
  text-align: center;
  margin-bottom: var(--space-5);
}

.marquee-section .section-label::before {
  display: none;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 30s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

.marquee-group {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}

.marquee-item {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  opacity: 0.5;
  white-space: nowrap;
  padding: 0 var(--space-6);
}

.marquee-separator {
  color: var(--color-text-faint);
  opacity: 0.3;
  font-size: var(--text-xs);
  flex-shrink: 0;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- 5. Grain / Film Noise Overlay ---------- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
}

[data-theme="light"] body::before {
  opacity: 0.02;
}

/* ---------- 6. Section Header Parallax / Scale ---------- */
.section-header__title {
  will-change: transform;
  transition: transform 800ms cubic-bezier(0.16, 1, 0.3, 1), opacity 800ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal .section-header__title,
.reveal-stagger .section-header__title {
  transform: scale(1.02);
}

.reveal.is-visible .section-header__title,
.reveal-stagger.is-visible .section-header__title {
  transform: scale(1);
}

/* ---------- 7. Enhanced Button States ---------- */
/* Primary: breathing glow on hover */
@keyframes btn-breathing-glow {
  0%, 100% {
    box-shadow: 0 0 24px rgba(0, 240, 255, 0.2), 0 0 8px rgba(0, 240, 255, 0.1);
  }
  50% {
    box-shadow: 0 0 32px rgba(0, 240, 255, 0.35), 0 0 12px rgba(0, 240, 255, 0.2);
  }
}

@keyframes btn-breathing-glow-light {
  0%, 100% {
    box-shadow: 0 4px 16px rgba(0, 120, 136, 0.2), 0 0 8px rgba(0, 120, 136, 0.08);
  }
  50% {
    box-shadow: 0 4px 24px rgba(0, 120, 136, 0.3), 0 0 12px rgba(0, 120, 136, 0.15);
  }
}

.btn--primary:hover {
  animation: btn-breathing-glow 2s ease-in-out infinite;
}

[data-theme="light"] .btn--primary:hover {
  animation: btn-breathing-glow-light 2s ease-in-out infinite;
}

/* Ghost: animated border glow on hover */
.btn--ghost {
  position: relative;
  overflow: hidden;
}

.btn--ghost::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid transparent;
  pointer-events: none;
  background: linear-gradient(var(--color-bg), var(--color-bg)) padding-box,
              linear-gradient(var(--ghost-angle, 0deg), transparent, var(--color-accent), transparent) border-box;
  opacity: 0;
  transition: opacity 200ms var(--ease);
}

.btn--ghost:hover::after {
  opacity: 0.7;
  animation: ghost-border-spin 1.5s linear infinite;
}

@keyframes ghost-border-spin {
  to { --ghost-angle: 360deg; }
}

/* Register the custom property for animation */
@property --ghost-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

[data-theme="light"] .btn--ghost::after {
  background: linear-gradient(var(--color-bg), var(--color-bg)) padding-box,
              linear-gradient(var(--ghost-angle, 0deg), transparent, var(--color-accent), transparent) border-box;
}

/* ---------- V6 Reduced Motion Overrides ---------- */
@media (prefers-reduced-motion: reduce) {
  .hero__content .eyebrow,
  .hero__headline,
  .hero__subtitle,
  .hero__ctas {
    opacity: 1 !important;
    clip-path: none !important;
    animation: none !important;
  }

  .hero__particle-canvas {
    display: none;
  }

  .marquee-track {
    animation: none !important;
  }

  .btn--primary:hover {
    animation: none !important;
  }

  .btn--ghost::after {
    display: none;
  }

  .section-header__title {
    transform: none !important;
  }
}