/* ============================================
   YAGNI - Precision Engineering Aesthetic
   ============================================ */

/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@700&display=swap');

@font-face {
  font-family: 'Clash Display';
  src: url('https://cdn.fontshare.com/wf/HPKKLXDTHBWAML4MFSHWGNHB6HXKXQ3V/IYQEPJCASR27RBYTJUUUHYF7T2X32PYT/HLMBGXILZ2CKVZQVCZGZHQ6NWLJQJ7IN.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Clash Display';
  src: url('https://cdn.fontshare.com/wf/HPKKLXDTHBWAML4MFSHWGNHB6HXKXQ3V/XCQVUJD5LKQ2PNAUJQVNKXZ5PRRG7BQO/UCMWZ72HLGPG5OFWV32QL2KAXKKMB5MM.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Clash Display';
  src: url('https://cdn.fontshare.com/wf/HPKKLXDTHBWAML4MFSHWGNHB6HXKXQ3V/CQHRLEHJRVUTK63WQDYQWQHK7RYCNFCY/X2LR4W3SQN2GJGKBUUNTUGTG3N3THVEU.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Clash Display';
  src: url('https://cdn.fontshare.com/wf/HPKKLXDTHBWAML4MFSHWGNHB6HXKXQ3V/Y3XO47YIJJAKOBMFXCFVDOLXYZ5EKQ7R/EEFSJ3J377QPWIRE2W6QVTJQRZAGPDX7.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ============================================
   CSS Variables - Design Tokens
   ============================================ */
:root {
  /* Colours */
  --color-bg-primary: #0a0a0b;
  --color-bg-secondary: #111113;
  --color-bg-tertiary: #18181b;
  --color-bg-elevated: #1f1f23;

  --color-text-primary: #f4f4f5;
  --color-text-secondary: #a1a1aa;
  --color-text-tertiary: #71717a;

  --color-accent: #00d4ff;
  --color-accent-dim: rgba(0, 212, 255, 0.15);
  --color-accent-glow: rgba(0, 212, 255, 0.4);

  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(255, 255, 255, 0.15);

  /* Typography */
  --font-display: 'Clash Display', system-ui, sans-serif;
  --font-body: 'Instrument Sans', system-ui, sans-serif;

  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --container-max: 1280px;
  --container-padding: clamp(1.5rem, 5vw, 3rem);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Effects */
  --glow-sm: 0 0 20px var(--color-accent-glow);
  --glow-md: 0 0 40px var(--color-accent-glow);
  --glow-lg: 0 0 80px var(--color-accent-glow);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
}

/* Background Grid Pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: -1;
  opacity: 0.5;
}

/* Gradient Overlay */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--color-accent-dim), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(0, 212, 255, 0.05), transparent);
  pointer-events: none;
  z-index: -1;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

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

ul, ol {
  list-style: none;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.heading-xl {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.heading-lg {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.heading-md {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.heading-sm {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
}

.text-lg {
  font-size: 1.125rem;
  line-height: 1.7;
}

.text-sm {
  font-size: 0.875rem;
}

.text-xs {
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

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

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

.text-accent {
  color: var(--color-accent);
}

/* ============================================
   Layout
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.section {
  padding-top: var(--space-5xl);
  padding-bottom: var(--space-5xl);
}

.section--hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--space-5xl) + 80px);
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-lg) 0;
  transition: background-color var(--transition-base), backdrop-filter var(--transition-base);
}

.header--scrolled {
  background-color: rgba(10, 10, 11, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Wordmark Logo */
.logo {
  display: flex;
  align-items: center;
}

.logo__mark {
  padding: 0.4rem 0.8rem;
  background: linear-gradient(135deg, var(--color-accent), rgba(0, 212, 255, 0.6));
  border-radius: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-bg-primary);
  box-shadow: var(--glow-sm);
}

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

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

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

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

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  margin-right: calc(-1 * var(--space-sm));
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg-primary);
  box-shadow: var(--glow-sm);
}

.btn--primary:hover {
  background: #00e5ff;
  box-shadow: var(--glow-md);
  transform: translateY(-2px);
}

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

.btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  padding: 0;
}

.btn--ghost:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.btn__icon {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.btn:hover .btn__icon {
  transform: translateX(4px);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
}

.hero__content {
  max-width: 900px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent-dim);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.6s ease-out;
}

.hero__eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

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

.hero__title {
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero__title-accent {
  background: linear-gradient(135deg, var(--color-accent), #00ffcc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__description {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-4xl);
  padding-top: var(--space-3xl);
  border-top: 1px solid var(--color-border);
  animation: fadeInUp 0.6s ease-out 0.4s both;
}

.hero__stat {
  text-align: left;
}

.hero__stat-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.hero__stat-label {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
  max-width: 700px;
  margin-bottom: var(--space-3xl);
}

.section-header--centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-header__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.section-header__title {
  margin-bottom: var(--space-md);
}

.section-header__description {
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
}

/* ============================================
   Services/Capabilities Grid
   ============================================ */
.capabilities {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.capability-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.capability-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.capability-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.capability-card:hover::before {
  opacity: 1;
}

.capability-card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.capability-card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.capability-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.capability-card__description {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ============================================
   Projects Grid
   ============================================ */
.projects-grid {
  display: grid;
  gap: var(--space-xl);
}

.project-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  align-items: center;
}

.project-card:nth-child(even) {
  direction: rtl;
}

.project-card:nth-child(even) > * {
  direction: ltr;
}

.project-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.project-card__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.project-card__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.project-card__status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-radius: 100px;
}

.project-card__status--production {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.project-card__status--development {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.project-card__status--archived {
  background: rgba(148, 163, 184, 0.15);
  color: #94a3b8;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.project-card__status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.project-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
}

.project-card__description {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.project-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.project-card__meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

.project-card__meta-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-top: var(--space-md);
  transition: gap var(--transition-fast);
}

.project-card__link:hover {
  gap: var(--space-md);
}

.project-card__link svg {
  width: 18px;
  height: 18px;
}

.project-card__image {
  border-radius: 12px;
  overflow: hidden;
  background: var(--color-bg-tertiary);
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-card__image-placeholder {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

/* ============================================
   Team Grid
   ============================================ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.team-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.team-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

.team-card__image {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: var(--color-bg-tertiary);
  margin: 0 auto var(--space-lg);
  overflow: hidden;
  border: 2px solid var(--color-border);
  position: relative;
  transition: all var(--transition-base);
}

/* Cyan overlay for duotone effect */
.team-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 180, 220, 0.15));
  mix-blend-mode: color;
  border-radius: 50%;
  pointer-events: none;
}

.team-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.1) brightness(1.05);
  transition: filter var(--transition-base);
}

.team-card:hover .team-card__image {
  border-color: var(--color-accent);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.team-card__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.team-card__role {
  font-size: 0.875rem;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.team-card__bio {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.team-card__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.team-card__links a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: 20px;
  transition: all var(--transition-fast);
  background: rgba(0, 212, 255, 0.15);
  color: var(--color-accent);
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.team-card__links a:hover {
  background: rgba(0, 212, 255, 0.25);
  border-color: rgba(0, 212, 255, 0.5);
}

.team-card__links a::after {
  content: '→';
  font-size: 0.85em;
  transition: transform var(--transition-fast);
}

.team-card__links a:hover::after {
  transform: translateX(2px);
}

.team-card__links a[href*="linkedin"] {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border-color: rgba(59, 130, 246, 0.3);
}

.team-card__links a[href*="linkedin"]:hover {
  background: rgba(59, 130, 246, 0.25);
  border-color: rgba(59, 130, 246, 0.5);
}

.team-card__links a[href="contact.html"] {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  border-color: rgba(34, 197, 94, 0.3);
}

.team-card__links a[href="contact.html"]:hover {
  background: rgba(34, 197, 94, 0.25);
  border-color: rgba(34, 197, 94, 0.5);
}

.team-card__link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.team-card__link:hover {
  background: var(--color-accent);
  color: var(--color-bg-primary);
}

.team-card__link svg {
  width: 18px;
  height: 18px;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-item {
  display: flex;
  gap: var(--space-md);
}

.contact-item__icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: var(--color-accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-item__icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-accent);
}

.contact-item__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-xs);
}

.contact-item__value {
  font-size: 1.0625rem;
  color: var(--color-text-primary);
}

.contact-item__value a {
  color: var(--color-accent);
  transition: opacity var(--transition-fast);
}

.contact-item__value a:hover {
  opacity: 0.8;
}

/* Contact Form */
.contact-form {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: var(--space-2xl);
}

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

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-primary);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: all var(--transition-fast);
}

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

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

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0;
  margin-top: var(--space-4xl);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.footer__links {
  display: flex;
  gap: var(--space-xl);
}

.footer__link {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.footer__company {
  width: 100%;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  line-height: 1.6;
}

.footer__company p {
  margin: 0;
}

.footer__company p + p {
  margin-top: var(--space-xs);
}

.footer__copyright {
  width: 100%;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  margin-top: var(--space-md);
}

/* ============================================
   Utility Classes
   ============================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .project-card {
    grid-template-columns: 1fr;
  }

  .project-card:nth-child(even) {
    direction: ltr;
  }

  .project-card__image {
    order: -1;
  }

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

@media (max-width: 768px) {
  .nav__list {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  /* Mobile Menu */
  .nav--open .nav__list {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-lg) var(--container-padding);
    gap: var(--space-md);
  }

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

  .section {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-3xl);
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ============================================
   Page-specific Styles
   ============================================ */

/* Projects Page */
.projects-hero {
  padding-top: calc(var(--space-5xl) + 80px);
  padding-bottom: var(--space-3xl);
}

/* Team Page */
.team-hero {
  padding-top: calc(var(--space-5xl) + 80px);
  padding-bottom: var(--space-3xl);
}

/* Contact Page */
.contact-hero {
  padding-top: calc(var(--space-5xl) + 80px);
  padding-bottom: var(--space-3xl);
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-tertiary));
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: var(--space-4xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, var(--color-accent-dim), transparent 50%);
  animation: rotate 20s linear infinite;
  opacity: 0.5;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.cta-section > * {
  position: relative;
  z-index: 1;
}

.cta-section__title {
  margin-bottom: var(--space-md);
}

.cta-section__description {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  max-width: 500px;
  margin: 0 auto var(--space-xl);
}

/* ============================================
   Lightbox Gallery
   ============================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.lightbox--open {
  opacity: 1;
  visibility: visible;
}

.lightbox__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
}

.lightbox__close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 10;
}

.lightbox__close:hover {
  background: var(--color-accent);
  color: var(--color-bg-primary);
  border-color: var(--color-accent);
}

.lightbox__close svg {
  width: 24px;
  height: 24px;
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 10;
}

.lightbox__nav:hover {
  background: var(--color-accent);
  color: var(--color-bg-primary);
  border-color: var(--color-accent);
}

.lightbox__nav svg {
  width: 28px;
  height: 28px;
}

.lightbox__nav--prev {
  left: var(--space-lg);
}

.lightbox__nav--next {
  right: var(--space-lg);
}

.lightbox__content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 5;
}

.lightbox__image {
  max-width: 100%;
  max-height: calc(90vh - 80px);
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox__caption {
  margin-top: var(--space-lg);
  font-size: 1rem;
  color: var(--color-text-secondary);
  text-align: center;
}

.lightbox__counter {
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  font-variant-numeric: tabular-nums;
}

/* Responsive lightbox */
@media (max-width: 768px) {
  .lightbox__close {
    top: var(--space-md);
    right: var(--space-md);
    width: 40px;
    height: 40px;
  }

  .lightbox__close svg {
    width: 20px;
    height: 20px;
  }

  .lightbox__nav {
    width: 44px;
    height: 44px;
  }

  .lightbox__nav svg {
    width: 22px;
    height: 22px;
  }

  .lightbox__nav--prev {
    left: var(--space-sm);
  }

  .lightbox__nav--next {
    right: var(--space-sm);
  }

  .lightbox__content {
    max-width: 95vw;
  }

  .lightbox__caption {
    padding: 0 var(--space-md);
    font-size: 0.875rem;
  }
}

/* ============================================
   Engagement Model Pills
   ============================================ */
.model-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-radius: 100px;
  transition: all var(--transition-fast);
}

.model-pill--cosaas {
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.model-pill--cosaas:hover {
  background: rgba(139, 92, 246, 0.25);
  border-color: rgba(139, 92, 246, 0.5);
}

.model-pill--our-product {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.model-pill__help {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  margin-left: 2px;
  cursor: help;
}

.model-pill__help svg {
  width: 14px;
  height: 14px;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.model-pill__help:hover svg {
  opacity: 1;
}

.model-pill__tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  color: var(--color-text-primary);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  z-index: 100;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.model-pill__tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--color-border);
}

.model-pill__help:hover .model-pill__tooltip {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   Articles
   ============================================ */

/* Articles Page Hero */
.articles-hero {
  padding-top: calc(var(--space-5xl) + 80px);
  padding-bottom: var(--space-3xl);
}

/* Articles Grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-xl);
}

/* Article Card */
.article-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  transition: all var(--transition-base);
  overflow: hidden;
}

.article-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.article-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--space-xl);
  color: inherit;
  text-decoration: none;
}

.article-card__icon {
  width: 56px;
  height: 56px;
  background: var(--color-accent-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  flex-shrink: 0;
}

.article-card__icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
}

.article-card__content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-card__date {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-sm);
}

.article-card__title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.article-card__summary {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  flex-grow: 1;
  margin-bottom: var(--space-lg);
}

.article-card__read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-top: auto;
  transition: gap var(--transition-fast);
}

.article-card:hover .article-card__read-more {
  gap: var(--space-md);
}

.article-card__read-more svg {
  width: 18px;
  height: 18px;
}

/* Single Article Page */
.article {
  padding-top: calc(var(--space-5xl) + 80px);
  padding-bottom: var(--space-3xl);
}

.article__header {
  max-width: 720px;
  margin: 0 auto var(--space-3xl);
}

.article__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.article__back:hover {
  color: var(--color-accent);
  gap: var(--space-md);
}

.article__back svg {
  width: 18px;
  height: 18px;
}

.article__icon {
  width: 64px;
  height: 64px;
  background: var(--color-accent-dim);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.article__icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-accent);
}

.article__date {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-md);
}

.article__title {
  margin-bottom: var(--space-lg);
}

.article__lead {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

/* Article Content */
.article__content {
  max-width: 720px;
  margin: 0 auto;
}

.article__content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}

.article__content h2:first-child {
  margin-top: 0;
}

.article__content p {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

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

.article__content strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

.article__content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity var(--transition-fast);
}

.article__content a:hover {
  opacity: 0.8;
}

.article__content ul {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-lg);
}

.article__content li {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  position: relative;
  padding-left: var(--space-md);
}

.article__content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.article__content li:last-child {
  margin-bottom: 0;
}

/* Responsive Articles */
@media (max-width: 768px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }

  .article__content h2 {
    font-size: 1.25rem;
  }

  .article__lead {
    font-size: 1.125rem;
  }
}