/* ==========================================================================
   Diamond Code — Design System & Styles
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  /* Colors */
  --color-bg: #09090b;
  --color-surface: #18181b;
  --color-surface-hover: #1f1f23;
  --color-border: #27272a;
  --color-border-subtle: #1e1e21;
  --color-text: #fafafa;
  --color-text-secondary: #a1a1aa;
  --color-text-tertiary: #71717a;
  --color-accent: #7c3aed;
  --color-accent-hover: #6d28d9;
  --color-accent-glow: rgba(124, 58, 237, 0.15);
  --color-accent-glow-strong: rgba(124, 58, 237, 0.25);

  color-scheme: dark;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: clamp(1.5rem, 3vw, 2rem);
  --text-3xl: clamp(2rem, 4vw, 3rem);
  --text-display: clamp(2.5rem, 5vw, 4rem);

  --leading-tight: 1.15;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  --tracking-tight: -0.02em;
  --tracking-normal: -0.01em;

  /* 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 */
  --container-max: 1200px;
  --container-padding: var(--space-6);

  /* Effects */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

:root.light {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-surface-hover: #f4f4f5;
  --color-border: #e4e4e7;
  --color-border-subtle: #f0f0f2;
  --color-text: #09090b;
  --color-text-secondary: #52525b;
  --color-text-tertiary: #a1a1aa;
  --color-accent: #7c3aed;
  --color-accent-hover: #6d28d9;
  --color-accent-glow: rgba(124, 58, 237, 0.1);
  --color-accent-glow-strong: rgba(124, 58, 237, 0.18);
  color-scheme: light;
}

@media (prefers-color-scheme: light) {
  :root:not(.dark) {
    --color-bg: #fafafa;
    --color-surface: #ffffff;
    --color-surface-hover: #f4f4f5;
    --color-border: #e4e4e7;
    --color-border-subtle: #f0f0f2;
    --color-text: #09090b;
    --color-text-secondary: #52525b;
    --color-text-tertiary: #a1a1aa;
    --color-accent: #7c3aed;
    --color-accent-hover: #6d28d9;
    --color-accent-glow: rgba(124, 58, 237, 0.1);
    --color-accent-glow-strong: rgba(124, 58, 237, 0.18);
    color-scheme: light;
  }
}

/* Light mode overrides for backgrounds and effects */
:root.light .header,
:root.light .mobile-menu {
  background-color: rgba(250, 250, 250, 0.8);
}

:root.light .bg-glow,
:root.light .bg-grid { opacity: 0.3; }
:root.light .hero__crystal { opacity: 0.5; }

@media (prefers-color-scheme: light) {
  :root:not(.dark) .header,
  :root:not(.dark) .mobile-menu {
    background-color: rgba(250, 250, 250, 0.8);
  }
  :root:not(.dark) .bg-glow,
  :root:not(.dark) .bg-grid { opacity: 0.3; }
  :root:not(.dark) .hero__crystal { opacity: 0.5; }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  letter-spacing: var(--tracking-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

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

/* ---------- Skip Link ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 200;
  padding: var(--space-3) var(--space-6);
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
}

.skip-link:focus {
  top: var(--space-4);
}

/* ---------- Animated Background ---------- */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(var(--color-border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border-subtle) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 100%);
  opacity: 0.5;
}

.bg-glow {
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  z-index: -1;
  background: radial-gradient(ellipse at center, var(--color-accent-glow) 0%, rgba(192, 132, 252, 0.05) 40%, transparent 70%);
  pointer-events: none;
  animation: glow-pulse 8s ease-in-out infinite alternate;
}

@keyframes glow-pulse {
  0% { opacity: 0.4; transform: translateX(-50%) scale(1); }
  100% { opacity: 0.7; transform: translateX(-50%) scale(1.1); }
}

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-accent);
  color: #fff;
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  box-shadow: 0 0 24px var(--color-accent-glow);
}

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

.btn--ghost:hover {
  border-color: var(--color-text-tertiary);
  color: var(--color-text);
  background-color: var(--color-surface);
}

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

/* ---------- Header / Nav ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background-color: rgba(9, 9, 11, 0.8);
  border-bottom: 1px solid var(--color-border-subtle);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo-svg {
  height: 18px;
  width: auto;
  color: var(--color-text);
}

.nav__logo-svg--footer {
  height: 16px;
}

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

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

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

.nav__cta {
  display: none;
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.nav__cta:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--color-text-tertiary);
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.nav__toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background-color: var(--color-text);
  transition: all var(--transition-fast);
}

.nav__toggle[aria-expanded="true"] span:first-child {
  transform: rotate(45deg) translate(2px, 2px);
}

.nav__toggle[aria-expanded="true"] span:last-child {
  transform: rotate(-45deg) translate(2px, -2px);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background-color: var(--color-bg);
  padding: var(--space-8) var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-menu--open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.mobile-menu__link {
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.mobile-menu__link:hover {
  color: var(--color-text);
}

.mobile-menu__link--cta {
  color: var(--color-accent);
}

/* ---------- Architectural Dividers ---------- */
.divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-block: var(--space-2);
  position: relative;
}

.divider__line {
  width: 1px;
  height: 48px;
  background-image: repeating-linear-gradient(
    to bottom,
    var(--color-border) 0px,
    var(--color-border) 4px,
    transparent 4px,
    transparent 10px
  );
}

.divider__node {
  width: 7px;
  height: 7px;
  border: 1px solid var(--color-text-tertiary);
  border-radius: 50%;
  background-color: var(--color-bg);
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.divider__branches {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: var(--container-max);
  height: 1px;
  pointer-events: none;
}

.divider__branch {
  position: absolute;
  top: 0;
  height: 1px;
  width: clamp(40px, 8vw, 80px);
  background-image: repeating-linear-gradient(
    to right,
    var(--color-border) 0px,
    var(--color-border) 4px,
    transparent 4px,
    transparent 10px
  );
}

.divider__branch--left {
  right: calc(50% + 12px);
}

.divider__branch--right {
  left: calc(50% + 12px);
}

/* Vertical guide rails — blueprint edge lines */
main {
  position: relative;
}

main::before,
main::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 8px,
    var(--color-border-subtle) 8px,
    var(--color-border-subtle) 12px
  );
  pointer-events: none;
  opacity: 0.5;
}

main::before {
  left: max(calc((100% - var(--container-max)) / 2), var(--container-padding));
}

main::after {
  right: max(calc((100% - var(--container-max)) / 2), var(--container-padding));
}

/* ---------- Section Header ---------- */
.section-header {
  margin-bottom: var(--space-16);
}

.section-header__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.section-header__title {
  font-size: var(--text-3xl);
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
}

.section-header__desc {
  margin-top: var(--space-4);
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 560px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: calc(64px + var(--space-20));
  padding-bottom: var(--space-24);
  text-align: center;
  overflow: hidden;
}

.hero__crystal {
  position: absolute;
  bottom: 100%;
  right: 0;
  width: clamp(200px, 28vw, 360px);
  height: clamp(200px, 28vw, 360px);
  pointer-events: none;
  overflow: hidden;
}

.hero__crystal-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: right bottom;
  filter: drop-shadow(0 0 60px rgba(124, 58, 237, 0.3)) drop-shadow(0 0 120px rgba(124, 58, 237, 0.15));
  opacity: 0.6;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-8);
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #22c55e;
  animation: dot-pulse 2s ease-in-out infinite;
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  font-size: var(--text-display);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-6);
}

.hero__title--accent {
  background: linear-gradient(135deg, var(--color-accent), #c084fc);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-inline: auto;
  line-height: var(--leading-relaxed);
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.hero__metrics {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  margin-top: var(--space-16);
  padding-top: var(--space-12);
  border-top: 1px solid var(--color-border-subtle);
}

.hero__metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.hero__metric-value {
  font-size: var(--text-2xl);
  font-weight: 700;
  font-feature-settings: 'tnum';
}

.hero__metric-label {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- Capabilities ---------- */
.capabilities {
  padding-block: var(--space-24);
}

.capabilities__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.card {
  padding: var(--space-8);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-text-tertiary);
  background-color: var(--color-surface-hover);
  transform: translateY(-2px);
}

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

.card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
  letter-spacing: var(--tracking-tight);
}

.card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ---------- Systems ---------- */
.systems {
  padding-block: var(--space-24);
}

.systems__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
}

.system {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4) var(--space-6);
  padding: var(--space-6);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.system:hover {
  background-color: var(--color-surface);
}

.system__number {
  grid-row: 1 / 3;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-tertiary);
  padding-top: var(--space-1);
}

.system__title {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
}

.system__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 560px;
}

/* ---------- Process ---------- */
.process {
  padding-block: var(--space-24);
}

.process__steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: var(--space-6);
  padding-bottom: var(--space-10);
}

.step:last-child {
  padding-bottom: 0;
}

.step__marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.step__number {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: 50%;
  background-color: var(--color-accent-glow);
  flex-shrink: 0;
}

.step__line {
  width: 1px;
  flex: 1;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  margin-top: var(--space-3);
}

.step__content {
  padding-top: var(--space-2);
}

.step__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
  letter-spacing: var(--tracking-tight);
}

.step__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
  max-width: 500px;
}

.step__outputs {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.step__outputs li {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  padding-left: var(--space-4);
  position: relative;
}

.step__outputs li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 1px;
  background-color: var(--color-border);
}

/* ---------- Clients ---------- */
.clients {
  padding-block: var(--space-24);
}

.clients__logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-6) var(--space-10);
  padding: var(--space-10) 0;
  margin-bottom: var(--space-16);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.clients__logo {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color var(--transition-fast);
}

.clients__logo:hover {
  color: var(--color-text-secondary);
}

.clients__projects {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.project {
  padding: var(--space-8);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.project:hover {
  border-color: var(--color-text-tertiary);
}

.project__type {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
}

.project__title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-3);
  letter-spacing: var(--tracking-tight);
}

.project__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ---------- Contact ---------- */
.contact {
  padding-block: var(--space-24);
}

.contact__inner {
  text-align: center;
  padding: var(--space-16) var(--space-8);
  background: linear-gradient(135deg, var(--color-accent-glow) 0%, rgba(192, 132, 252, 0.05) 30%, transparent 60%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.contact__title {
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-4);
}

.contact__desc {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 480px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

.contact__actions {
  margin-bottom: var(--space-6);
}

.contact__note {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* ---------- Footer ---------- */
.footer {
  padding-block: var(--space-16);
  border-top: 1px solid var(--color-border-subtle);
  margin-top: var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer__tagline {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  line-height: var(--leading-relaxed);
}

.footer__heading {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

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

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

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border-subtle);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* ---------- Theme Switch ---------- */
.theme-switch {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 2px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
}

.theme-switch__btn {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  line-height: 1;
}

.theme-switch__btn:hover {
  color: var(--color-text-secondary);
}

.theme-switch__btn--active {
  background-color: var(--color-border);
  color: var(--color-text);
}

.theme-switch__btn svg {
  flex-shrink: 0;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

/* Tablet (640px+) */
@media (min-width: 640px) {
  .capabilities__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .hero__metrics {
    gap: var(--space-12);
  }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  :root {
    --container-padding: var(--space-8);
  }

  .nav__links {
    display: flex;
  }

  .nav__cta {
    display: inline-flex;
  }

  .nav__toggle {
    display: none;
  }

  .hero {
    padding-top: calc(64px + var(--space-32));
    padding-bottom: var(--space-32);
  }

  .hero__title {
    font-size: clamp(3rem, 6vw, 4.5rem);
  }

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

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

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

  .contact__inner {
    padding: var(--space-24) var(--space-16);
  }
}

/* Large (1280px+) */
@media (min-width: 1280px) {
  .systems__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- Scroll Reveal ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .reveal--visible {
    opacity: 1;
    transform: translateY(0);
  }
}

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

  html {
    scroll-behavior: auto;
  }
}

/* ---------- Focus Styles ---------- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------- Selection ---------- */
::selection {
  background-color: var(--color-accent-glow-strong);
  color: var(--color-text);
}