/* ==========================================================================
   Gyrum — Brand Identity & Homepage Styles (Light Mode Default + Dark Mode)
   Design tokens + component styles in one file (no build step)
   ========================================================================== */

/* ---------- Design Tokens — Light Mode (Default) ---------- */
:root {
  --color-bg: #fafaf8;
  --color-surface: #ffffff;
  --color-surface-hover: #f5f5f0;
  --color-primary: #6366f1;
  --color-primary-hover: #4f46e5;
  --color-primary-glow: rgba(99, 102, 241, 0.08);
  --color-secondary: #d97706;
  --color-secondary-hover: #b45309;
  --color-text: #111827;
  --color-text-muted: #4b5563;
  --color-text-dim: #6b7280;
  --color-border: #e5e7eb;
  --color-border-focus: #6366f1;
  --color-error: #dc2626;
  --color-success: #16a34a;
  --color-warning: #d97706;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.06);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.15), 0 8px 16px rgba(0,0,0,0.08);
  --shadow-glow: 0 0 20px var(--color-primary-glow);

  --color-nav-bg: rgba(250, 250, 248, 0.85);

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 80px;
  --space-4xl: 120px;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
}

/* ---------- Design Tokens — Dark Mode ---------- */
:root[data-theme="dark"] {
  --color-bg: #0a0a0f;
  --color-surface: #12121a;
  --color-surface-hover: #1a1a25;
  --color-primary: #6366f1;
  --color-primary-hover: #818cf8;
  --color-primary-glow: rgba(99, 102, 241, 0.15);
  --color-secondary: #f59e0b;
  --color-secondary-hover: #fbbf24;
  --color-text: #f0f0f5;
  --color-text-muted: #8888a0;
  --color-text-dim: #55556a;
  --color-border: #2a2a3a;
  --color-border-focus: #6366f1;
  --color-error: #ef4444;
  --color-success: #22c55e;
  --color-warning: #f59e0b;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px var(--color-primary-glow);

  --color-nav-bg: rgba(10, 10, 15, 0.85);
}

/* ---------- Theme Transition ---------- */
.theme-transitioning,
.theme-transitioning *,
.theme-transitioning *::before,
.theme-transitioning *::after {
  transition: background-color 0.3s ease,
              color 0.3s ease,
              border-color 0.3s ease,
              box-shadow 0.3s ease !important;
}

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

/* ---------- Base ---------- */
html {
  scroll-behavior: smooth;
  overflow-x: hidden; /* Prevent mobile menu translateX from inflating scrollWidth (BUG-1) */
}

body {
  font-family: Inter, system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

/* Subtle dot pattern for sections */
.numbers,
.what-we-build,
.services,
.portfolio,
.team {
  background-image: radial-gradient(var(--color-border) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: center;
}

:root[data-theme="dark"] .numbers,
:root[data-theme="dark"] .what-we-build,
:root[data-theme="dark"] .services,
:root[data-theme="dark"] .portfolio,
:root[data-theme="dark"] .team {
  background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
}

/* ---------- Accessibility ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  z-index: 100;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
}

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

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

/* ---------- Layout ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-inline: var(--space-md);
}

.section-title {
  font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-xl);
  text-align: center;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: clamp(0.9375rem, 1.5vw, 1.125rem);
  margin-top: calc(-1 * var(--space-md));
  margin-bottom: var(--space-2xl);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 200ms ease, border-color 200ms ease;
  border: 1.5px solid transparent;
  min-height: 44px;
}

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

.btn--primary:hover {
  background-color: var(--color-primary-hover);
}

.btn--outline {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary-glow);
  color: var(--color-primary-hover);
}

.btn--full {
  width: 100%;
}

/* ---------- Sticky Nav ---------- */
.sticky-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: 56px;
  background: var(--color-nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}

.sticky-nav--visible {
  transform: translateY(0);
}

.sticky-nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding-inline: var(--space-md);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sticky-nav__logo {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.05em;
  color: var(--color-text);
  text-decoration: none;
}

.sticky-nav__links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.sticky-nav__link {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.sticky-nav__right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.sticky-nav__cta {
  font-size: 0.75rem;
  padding: 6px 14px;
  min-height: unset;
  border-radius: var(--radius-full);
}

/* ---------- Theme Toggle ---------- */
.theme-toggle {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color 0.2s ease, background-color 0.2s ease;
  position: relative;
}

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

.theme-toggle__icon {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  position: absolute;
}

.theme-toggle__icon--sun {
  opacity: 0;
  transform: rotate(180deg);
}

.theme-toggle__icon--moon {
  opacity: 1;
  transform: rotate(0deg);
}

:root[data-theme="dark"] .theme-toggle__icon--sun {
  opacity: 1;
  transform: rotate(0deg);
}

:root[data-theme="dark"] .theme-toggle__icon--moon {
  opacity: 0;
  transform: rotate(-180deg);
}

/* ---------- Hamburger Button ---------- */
.hamburger-btn {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease;
}

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

.hamburger-btn__icon {
  width: 24px;
  height: 24px;
}

.hamburger-btn__icon--open {
  display: block;
}

.hamburger-btn__icon--close {
  display: none;
}

.hamburger-btn[aria-expanded="true"] .hamburger-btn__icon--open {
  display: none;
}

.hamburger-btn[aria-expanded="true"] .hamburger-btn__icon--close {
  display: block;
}

/* ---------- Mobile Menu ---------- */
.mobile-menu {
  display: none;
  position: fixed;
  top: 56px;
  right: 0;
  bottom: 0;
  width: 280px;
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  z-index: 49;
  padding: var(--space-lg);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
}

.mobile-menu--open {
  transform: translateX(0);
}

.mobile-menu__overlay {
  display: none;
  position: fixed;
  inset: 0;
  top: 56px;
  background: rgba(0, 0, 0, 0.4);
  z-index: 48;
}

.mobile-menu__overlay--visible {
  display: block;
}

.mobile-menu__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-menu__link {
  font-size: 1rem;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-sm) 0;
  display: block;
  border-bottom: 1px solid var(--color-border);
  transition: color 0.2s ease;
}

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

/* ---------- Section Dividers ---------- */
.section-divider {
  display: block;
  max-width: 1200px;
  height: 24px;
  margin: 0 auto;
}

.section-divider__line {
  stroke: url(#divider-gradient);
  stroke-width: 1.5;
}

.section-divider__dot {
  fill: var(--color-primary);
  opacity: 0.6;
}

/* ---------- Section 1: Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-4xl) 0;
  position: relative;
  background: radial-gradient(ellipse at center, var(--color-primary-glow), transparent 70%);
  overflow: hidden;
}

/* Animated background orbs */
.hero-orbs {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  animation: orb-float 20s ease-in-out infinite;
}

.hero-orb--1 {
  width: 600px;
  height: 600px;
  background: #6366f1;
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.hero-orb--2 {
  width: 400px;
  height: 400px;
  background: #a78bfa;
  bottom: -100px;
  left: -50px;
  animation-delay: -7s;
}

.hero-orb--3 {
  width: 300px;
  height: 300px;
  background: #f59e0b;
  top: 50%;
  left: 60%;
  animation-delay: -14s;
}

@keyframes orb-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -40px) scale(1.1); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(15px, 30px) scale(1.05); }
}

:root[data-theme="dark"] .hero-orb { opacity: 0.08; }

/* Hero badge */
.hero__badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  padding: var(--space-xs) var(--space-lg);
  margin-bottom: var(--space-lg);
  animation: hero-fade-in 0.8s ease both;
}

/* Gradient text */
.gradient-text {
  background: linear-gradient(135deg, #6366f1 0%, #a78bfa 40%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

:root[data-theme="dark"] .gradient-text {
  background: linear-gradient(135deg, #818cf8 0%, #c4b5fd 40%, #fbbf24 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero__wordmark {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
  line-height: 1.1;
}

.hero__tagline {
  font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.hero__subtext {
  font-size: clamp(0.9375rem, 1.5vw, 1.125rem);
  color: var(--color-text-dim);
  margin-bottom: var(--space-xl);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.hero__ctas {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-3xl);
}

/* Larger button variant */
.btn--lg {
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  min-height: 48px;
}

/* ---------- Pipeline Visualization ---------- */
.pipeline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  padding: var(--space-xl) 0;
  max-width: 500px;
  margin: 0 auto;
}

.pipeline__line {
  position: absolute;
  height: 2px;
  left: 6px;
  right: 6px;
  top: 50%;
  margin-top: -1px;
  background: var(--color-border);
}

.pipeline__line::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  background-size: 200% 100%;
  animation: pipeline-flow 3s linear infinite;
}

.pipeline__node {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  animation: node-pulse 0.6s ease-in-out infinite;
}

.pipeline__node:nth-child(3) { animation-delay: 0s; }
.pipeline__node:nth-child(4) { animation-delay: 0.6s; }
.pipeline__node:nth-child(5) { animation-delay: 1.2s; }
.pipeline__node:nth-child(6) { animation-delay: 1.8s; }
.pipeline__node:nth-child(7) { animation-delay: 2.4s; }

.pipeline__label {
  position: absolute;
  top: calc(100% + var(--space-sm));
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

@keyframes pipeline-flow {
  from { background-position: 100% 0; }
  to { background-position: 0% 0; }
}

@keyframes node-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

/* ---------- Section 2: Numbers ---------- */
.numbers {
  padding: var(--space-4xl) 0;
  background: linear-gradient(
    180deg,
    var(--color-bg) 0%,
    rgba(99, 102, 241, 0.06) 50%,
    var(--color-bg) 100%
  );
}

.numbers__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  text-align: center;
}

/* Glass card effect */
.glass-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

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

:root[data-theme="dark"] .glass-card {
  background: rgba(18, 18, 26, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.stat-card {
  position: relative;
}

.stat-card__number {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(3rem, 7vw, 4.5rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  display: block;
}

.stat-card__unit {
  font-size: 0.6em;
}

.stat-card__label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
  display: block;
}

/* ---------- Progress Rings ---------- */
.progress-ring {
  display: block;
  margin: 0 auto var(--space-md);
}

.progress-ring__track {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 3;
}

.progress-ring__fill {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 3;
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: center;
  transition: stroke-dashoffset 1.2s ease;
}

/* ---------- Section 3: What We Build ---------- */
.what-we-build {
  padding: var(--space-4xl) 0;
}

.what-we-build__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.category-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: transform 300ms ease, border-color 300ms ease, box-shadow 300ms ease;
}

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

.category-card__icon,
.category-card__icon-wrap {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-primary-glow);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  line-height: 0;
}

.category-card__title {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-sm);
}

.category-card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.category-card__projects {
  list-style: none;
  font-size: 0.8125rem;
}

.category-card__projects li {
  margin-bottom: var(--space-sm);
  color: var(--color-text-dim);
}

.project-link {
  color: var(--color-primary);
  text-decoration: none;
}

.project-link:hover {
  text-decoration: underline;
}

.project-name {
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ---------- Section 4: How It Works ---------- */
.how-it-works {
  padding: var(--space-4xl) 0;
  background: linear-gradient(
    180deg,
    var(--color-bg) 0%,
    rgba(217, 119, 6, 0.06) 50%,
    var(--color-bg) 100%
  );
}

.timeline {
  display: flex;
  justify-content: space-between;
  position: relative;
  padding: 0 var(--space-lg);
  gap: var(--space-md);
}

.timeline__line {
  display: none;
}

.timeline__step {
  text-align: center;
  position: relative;
  z-index: 1;
  flex: 1;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-md) var(--space-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.timeline__step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.timeline__number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm);
  font-size: 0.9375rem;
  font-weight: 700;
  color: #fff;
}

.timeline__name {
  font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.timeline__desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  max-width: 200px;
  margin: 0 auto;
  line-height: 1.55;
}

/* ---------- Section 5: Services ---------- */
.services {
  padding: var(--space-4xl) 0;
  background: linear-gradient(
    180deg,
    var(--color-bg) 0%,
    rgba(99, 102, 241, 0.06) 50%,
    var(--color-bg) 100%
  );
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  overflow: visible;
  padding-top: 20px;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  padding-left: calc(var(--space-lg) + 4px);
  position: relative;
  overflow: visible;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 300ms ease, border-color 300ms ease, transform 300ms ease;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: var(--color-primary);
}

.service-card__accent {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
}

/* Service card accent colors */
.service-card:nth-child(1) .service-card__accent {
  background: #6366f1;
}

.service-card:nth-child(1) {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.03), transparent 40%), var(--color-surface);
}

.service-card:nth-child(2) .service-card__accent {
  background: #d97706;
}

.service-card:nth-child(2) {
  background: linear-gradient(90deg, rgba(217, 119, 6, 0.03), transparent 40%), var(--color-surface);
}

.service-card:nth-child(3) .service-card__accent {
  background: #10b981;
}

.service-card:nth-child(3) {
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.03), transparent 40%), var(--color-surface);
}

/* Service card icon */
.service-card__icon {
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  line-height: 0;
}

.service-card:nth-child(1) .service-card__icon { color: #6366f1; }
.service-card:nth-child(2) .service-card__icon { color: #d97706; }
.service-card:nth-child(3) .service-card__icon { color: #10b981; }

.service-card__title {
  font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-sm);
}

.service-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  flex: 1;
  line-height: 1.65;
}

.service-card__price {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: var(--space-lg);
}

.service-card__cta {
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.875rem;
}

.service-card__cta:hover {
  text-decoration: underline;
}

/* Featured service card (Von Restorff — isolation effect) */
.service-card--featured {
  border-color: var(--color-primary);
  border-width: 2px;
  position: relative;
  transform: scale(1.03);
  box-shadow: var(--shadow-lg), 0 0 30px var(--color-primary-glow);
}

.service-card--featured:hover {
  transform: scale(1.03) translateY(-4px);
}

.service-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.6875rem;
  z-index: 1;
  font-weight: 600;
  padding: 3px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 0.03em;
  white-space: nowrap;
  z-index: 2;
}

/* ---------- Section 6: Portfolio ---------- */
.portfolio {
  padding: var(--space-4xl) 0;
  background: linear-gradient(
    180deg,
    var(--color-bg) 0%,
    rgba(99, 102, 241, 0.06) 50%,
    var(--color-bg) 100%
  );
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.portfolio-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: border-color 300ms ease, box-shadow 300ms ease, transform 300ms ease;
  position: relative;
}

.portfolio-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--color-primary), #a78bfa, #f59e0b, var(--color-primary));
  background-size: 300% 300%;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
  animation: gradient-rotate 4s linear infinite paused;
}

.portfolio-card:hover::before {
  opacity: 1;
  animation-play-state: running;
}

.portfolio-card:hover {
  border-color: transparent;
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
}

:root[data-theme="dark"] .portfolio-card:hover {
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.1);
}

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

/* Portfolio illustration cards */
.portfolio-card__illustration {
  position: relative;
  overflow: hidden;
  height: 200px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.portfolio-card__svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Gradient Thumbnails (fallback) */
.portfolio-card__gradient {
  height: 200px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  position: relative;
  overflow: hidden;
}

/* Portfolio card hover overlay */
.portfolio-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.portfolio-card:hover .portfolio-card__overlay {
  opacity: 1;
}

.portfolio-card__overlay-text {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  padding: var(--space-sm) var(--space-lg);
  border: 2px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.portfolio-card__gradient--prism {
  background: linear-gradient(135deg, #6366f1, #a78bfa, #f59e0b);
}

.portfolio-card__gradient--tower-defense {
  background: linear-gradient(135deg, #0f172a, #6366f1, #22c55e);
}

.portfolio-card__gradient--cannon-drop {
  background: linear-gradient(135deg, #ef4444, #f59e0b, #fbbf24);
}

.portfolio-card__gradient--dark-foundry {
  background: linear-gradient(135deg, #1e1b4b, #6366f1, #3b82f6);
}

.portfolio-card__gradient--sokoban {
  background: linear-gradient(135deg, #d97706, #f59e0b, #fbbf24);
}

.portfolio-card__gradient--market-intel {
  background: linear-gradient(135deg, #059669, #10b981, #6366f1);
}

.portfolio-card__body {
  padding: var(--space-lg);
}

.portfolio-card__name {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.portfolio-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.65;
}

.portfolio-card__tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  margin-bottom: var(--space-sm);
}

.tech-tag {
  font-size: 0.6875rem;
  padding: 2px var(--space-sm);
  background: var(--color-surface-hover);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}

.status-badge {
  font-size: 0.6875rem;
  padding: 2px var(--space-sm);
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: var(--space-sm);
}

.status-badge--live {
  background: rgba(34, 197, 94, 0.15);
  color: var(--color-success);
}

:root[data-theme="dark"] .status-badge--live {
  background: rgba(34, 197, 94, 0.15);
}

.status-badge--dev {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-secondary);
}

.status-badge--soon {
  background: var(--color-surface-hover);
  color: var(--color-text-muted);
}

.portfolio-card__link {
  font-size: 0.8125rem;
  color: var(--color-primary);
  text-decoration: none;
  display: block;
}

.portfolio-card__link:hover {
  text-decoration: underline;
}

/* ---------- Section 7: The System ---------- */
.the-system {
  padding: var(--space-xl) 0;
  background: linear-gradient(
    180deg,
    var(--color-bg) 0%,
    rgba(217, 119, 6, 0.06) 50%,
    var(--color-bg) 100%
  );
}

.system-details {
  max-width: none;
}

.system-details__summary {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.system-details__summary::-webkit-details-marker {
  display: none;
}

.system-details__chevron {
  transition: transform 200ms ease;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.system-details[open] .system-details__summary {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.system-details[open] .system-details__chevron {
  transform: rotate(180deg);
}

.system-details__content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  padding: var(--space-lg);
}

.system-details__content ul {
  list-style: disc;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.system-details__content li {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.system-details__github {
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.875rem;
}

.system-details__github:hover {
  text-decoration: underline;
}

/* ---------- Team Section ---------- */
.team {
  padding: var(--space-4xl) 0;
  background: linear-gradient(
    180deg,
    var(--color-bg) 0%,
    rgba(217, 119, 6, 0.05) 50%,
    var(--color-bg) 100%
  );
}

.team__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.team-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

:root[data-theme="dark"] .team-card:hover {
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
}

.team-card__avatar-wrap {
  width: 96px;
  height: 96px;
  margin: 0 auto var(--space-md);
  background: var(--color-surface-hover);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.team-card:hover .team-card__avatar-wrap {
  transform: scale(1.08);
}

.team-card__avatar {
  width: 80px;
  height: 80px;
  display: block;
}

/* Featured team cards (leadership) */
.team-card--featured {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary-glow), var(--color-surface));
}

/* AI agent badge */
.skill-badge--ai {
  background: rgba(99, 102, 241, 0.12);
  color: #6366f1;
}

.team-card__name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.team-card__role {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.team-card__bio {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-style: italic;
  line-height: 1.6;
}

.team-card__skills {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  justify-content: center;
}

.skill-badge {
  font-size: 0.6875rem;
  padding: 2px var(--space-sm);
  background: var(--color-surface-hover);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}

.skill-badge--human {
  background: rgba(217, 119, 6, 0.12);
  color: #d97706;
}

/* ---------- About Section ---------- */
.about {
  padding: var(--space-3xl) 0 var(--space-xl);
}

.about__grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-2xl);
  align-items: stretch;
}

.about__story {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  border-left: 4px solid var(--color-primary);
}

.about__story h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.about__story p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.about__story p:last-child {
  margin-bottom: 0;
}

.about__facts {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
}

.about__facts h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.about__facts ul {
  list-style: none;
  padding: 0;
}

.about__facts li {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-sm);
}

.about__facts li:last-child {
  border-bottom: none;
}

.about__facts-bullet {
  color: var(--color-primary);
  font-weight: 600;
  flex-shrink: 0;
}

.about__future {
  margin-top: var(--space-2xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
}

.about__future h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.about__future p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.about__future ul {
  list-style: none;
  padding: 0;
}

.about__future li {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  padding: var(--space-xs) 0;
  display: flex;
  gap: var(--space-sm);
}

.about__future li::before {
  content: '→';
  color: var(--color-primary);
  font-weight: 600;
  flex-shrink: 0;
}

.about__future li strong {
  white-space: nowrap;
}

/* ---------- Section 8: Contact ---------- */
.contact {
  padding: var(--space-4xl) 0;
  background: linear-gradient(
    180deg,
    var(--color-bg) 0%,
    rgba(99, 102, 241, 0.06) 50%,
    var(--color-bg) 100%
  );
}

.contact__subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1rem;
  margin-top: calc(-1 * var(--space-md));
  margin-bottom: var(--space-xl);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  box-shadow: var(--shadow-md);
}

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

.form-field__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.form-field__input,
.form-field__select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.form-field__input:focus,
.form-field__select:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 2px var(--color-primary-glow);
}

.btn:focus-visible,
.sticky-nav__link:focus-visible,
.sticky-nav__logo:focus-visible,
.theme-toggle:focus-visible,
.hamburger-btn:focus-visible,
.portfolio-card__link:focus-visible,
.service-card__cta:focus-visible,
.footer__link:focus-visible,
.system-details__summary:focus-visible,
.mobile-menu__link:focus-visible,
.project-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.form-field__input--textarea {
  resize: vertical;
  min-height: 100px;
}

.form-field__input::placeholder {
  color: var(--color-text-dim);
}

.form-field__error {
  font-size: 0.75rem;
  color: var(--color-error);
  min-height: 1.2em;
  display: block;
  margin-top: var(--space-xs);
}

.form-field--error .form-field__input,
.form-field--error .form-field__select {
  border-color: var(--color-error);
}

.form-field__select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-sm) center;
  padding-right: var(--space-xl);
}

:root[data-theme="dark"] .form-field__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238888a0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
}

/* Submit button */
.submit-btn {
  margin-top: var(--space-sm);
  height: 44px;
  position: relative;
}

.submit-btn__spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid transparent;
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-left: var(--space-sm);
}

.submit-btn--loading .submit-btn__spinner {
  display: inline-block;
}

.submit-btn--loading {
  opacity: 0.7;
  pointer-events: none;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Form messages */
.form-message {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-xl);
}

.form-message--success .form-message__icon {
  width: 48px;
  height: 48px;
  border: 2px solid var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: 1.25rem;
  color: var(--color-success);
}

.form-message__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.form-message__text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.form-message__text a {
  color: var(--color-primary);
}

/* ---------- Explore Section ---------- */
.explore {
  padding: var(--space-3xl) 0;
  background: linear-gradient(
    180deg,
    var(--color-bg) 0%,
    rgba(99, 102, 241, 0.06) 50%,
    var(--color-bg) 100%
  );
}

.explore__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.explore-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  position: relative;
}

.explore-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

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

.explore-card__title {
  font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.explore-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}

.explore-card__arrow {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-top: var(--space-md);
  transition: transform 0.2s;
}

.explore-card:hover .explore-card__arrow {
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .explore__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* ---------- Closing Statement (Peak-End Rule) ---------- */
.closing {
  padding: var(--space-4xl) 0;
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg), var(--color-surface));
}

.closing__text {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.closing__text strong {
  color: var(--color-text);
  font-weight: 700;
}

/* Bold key phrases in About (F-pattern scanning) */
.about__story strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ---------- Page Header (inner pages) ---------- */
.page-header {
  padding: calc(var(--space-2xl) + 56px) 0 var(--space-2xl);
  text-align: center;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.page-header__title {
  font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}

.page-header__brand {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-xs);
}

.page-header__brand a {
  text-decoration: none;
}

.page-header__subtitle {
  color: var(--color-text-muted);
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin: 0;
  max-width: 720px;
  margin-inline: auto;
  line-height: 1.7;
}

/* ---------- Section 9: Footer ---------- */
.footer {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
  background: var(--color-surface);
}

.footer__copyright {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.footer__tagline {
  font-size: 0.6875rem;
  color: var(--color-text-dim);
  margin-bottom: var(--space-md);
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  align-items: center;
}

.footer__link {
  font-size: 0.75rem;
  color: var(--color-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.footer__link:hover {
  text-decoration: underline;
}

.footer__separator {
  color: var(--color-text-dim);
  font-size: 0.75rem;
}

/* ---------- Responsive ---------- */

/* Numbers wrap earlier to avoid cut-off on mid-width viewports */
@media (max-width: 1100px) {
  .numbers__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablet */
@media (max-width: 1024px) {
  .what-we-build__grid,
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

/* Mobile */
@media (max-width: 768px) {
  /* Show hamburger, hide desktop nav links + CTA */
  .hamburger-btn {
    display: flex;
  }

  .sticky-nav__links {
    display: none;
  }

  .sticky-nav__cta {
    display: none;
  }

  .mobile-menu {
    display: block;
  }

  .hero__ctas {
    flex-direction: column;
    width: 100%;
    padding: 0 var(--space-lg);
  }

  .hero__ctas .btn {
    width: 100%;
  }

  /* Pipeline vertical layout */
  .pipeline {
    flex-direction: column;
    max-width: none;
    gap: var(--space-lg);
    padding: var(--space-lg) 0 var(--space-lg) var(--space-xl);
    align-items: flex-start;
  }

  .pipeline__line {
    width: 2px;
    height: auto;
    left: calc(var(--space-xl) + 5px);
    right: auto;
    top: calc(var(--space-lg) + 6px);
    bottom: calc(var(--space-lg) + 6px);
    margin-top: 0;
  }

  .pipeline__line::after {
    background-image: linear-gradient(180deg, transparent, var(--color-primary), transparent);
    background-size: 100% 200%;
    animation-name: pipeline-flow-vertical;
  }

  .pipeline__label {
    top: 50%;
    left: calc(100% + var(--space-sm));
    transform: translateY(-50%);
  }

  .numbers__grid,
  .what-we-build__grid,
  .services__grid,
  .portfolio__grid {
    grid-template-columns: 1fr;
  }

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

  /* Timeline vertical on mobile */
  .timeline {
    flex-direction: column;
    gap: var(--space-lg);
    padding: 0;
  }

  .timeline__line {
    top: 0;
    bottom: 0;
    left: 20px;
    width: 2px;
    height: auto;
    right: auto;
  }

  .timeline__step {
    text-align: left;
    padding-left: 60px;
  }

  .timeline__number {
    position: absolute;
    left: 0;
    margin: 0;
  }

  .timeline__desc {
    max-width: none;
    margin: 0;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  /* About section single column on mobile */
  .about__grid {
    grid-template-columns: 1fr;
  }
}

@keyframes pipeline-flow-vertical {
  from { background-position: 0 100%; }
  to { background-position: 0 0%; }
}

/* ---------- Scroll Reveal Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Staggered children (cards, stat items) */
.reveal-stagger .reveal {
  transition-delay: calc(var(--stagger, 0) * 100ms);
}

/* Hero entrance — fade in + slide up */
.hero__wordmark {
  animation: hero-fade-in 0.8s ease both;
}

.hero__tagline {
  animation: hero-fade-in 0.8s ease 0.15s both;
}

.hero__subtext {
  animation: hero-fade-in 0.8s ease 0.3s both;
}

.hero__ctas {
  animation: hero-fade-in 0.8s ease 0.45s both;
}

.pipeline {
  animation: hero-fade-in 0.8s ease 0.6s both;
}

@keyframes hero-fade-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Subtle floating animation for hero background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--color-primary-glow), transparent 60%);
  opacity: 0.4;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

/* Stat counter glow pulse on reveal */
.stat-card__number {
  transition: color 0.3s ease;
}

.stat-card:hover .stat-card__number {
  text-shadow: 0 0 20px var(--color-primary-glow);
}

/* Card hover lift — enhanced */
.category-card,
.service-card,
.portfolio-card {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), border-color 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover,
.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-card:hover {
  transform: translateY(-4px);
}

/* Timeline step hover */
.timeline__number {
  transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline__step:hover .timeline__number {
  background-color: var(--color-primary);
  color: #fff;
  transform: scale(1.1);
  box-shadow: 0 0 15px var(--color-primary-glow);
}

/* Button hover glow */
.btn--primary {
  transition: background-color 0.2s ease, box-shadow 0.3s ease, transform 0.2s ease;
}

.btn--primary:hover {
  box-shadow: 0 0 20px var(--color-primary-glow);
  transform: translateY(-1px);
}

.btn--outline {
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.btn--outline:hover {
  transform: translateY(-1px);
}

/* Status badge subtle pulse for live items */
.status-badge--live {
  animation: live-pulse 2s ease-in-out infinite;
}

@keyframes live-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Service card accent shimmer */
.service-card__accent {
  background-size: 100% 200%;
  animation: accent-shimmer-v 3s ease infinite;
}

.service-card:nth-child(1) .service-card__accent {
  background: linear-gradient(180deg, #6366f1, #818cf8, #6366f1);
  background-size: 100% 200%;
  animation: accent-shimmer-v 3s ease infinite;
}

.service-card:nth-child(2) .service-card__accent {
  background: linear-gradient(180deg, #d97706, #f59e0b, #d97706);
  background-size: 100% 200%;
  animation: accent-shimmer-v 3s ease infinite;
}

.service-card:nth-child(3) .service-card__accent {
  background: linear-gradient(180deg, #10b981, #34d399, #10b981);
  background-size: 100% 200%;
  animation: accent-shimmer-v 3s ease infinite;
}

@keyframes accent-shimmer-v {
  0%, 100% { background-position: 50% 0%; }
  50% { background-position: 50% 100%; }
}

/* Tech tag hover */
.tech-tag {
  transition: background-color 0.2s ease, color 0.2s ease;
}

.portfolio-card:hover .tech-tag {
  background: var(--color-primary-glow);
  color: var(--color-primary);
}

/* Footer link hover */
.footer__link {
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer__link:hover {
  transform: translateY(-1px);
}

/* System details smooth open */
.system-details__content {
  animation: details-open 0.3s ease;
}

@keyframes details-open {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Section title underline animation on reveal */
.section-title {
  position: relative;
  display: inline-block;
  width: 100%;
}

.section-title::after {
  content: '';
  display: block;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  margin: var(--space-sm) auto 0;
  transition: width 0.6s ease 0.2s;
}

.revealed .section-title::after,
.reveal.revealed .section-title::after {
  width: 60px;
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .pipeline__line {
    background: var(--color-primary);
    opacity: 0.3;
  }

  .pipeline__line::after {
    display: none;
  }

  .pipeline__node {
    transform: none;
  }

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

  .stat-card__number {
    opacity: 1;
  }

  .progress-ring__fill {
    transition: none;
  }

  .section-title::after {
    width: 60px;
    transition: none;
  }
}