/* =========================================================
   CLOUDHUB — style.css
   Design System: Strict Black & White, Inter, Minimalist
   ========================================================= */

/* ─── RESET & ROOT ─────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Colors */
  --black: #0a0a0a;
  --black-900: #111111;
  --black-800: #1a1a1a;
  --black-700: #242424;
  --black-600: #2e2e2e;
  --gray-500: #555555;
  --gray-400: #777777;
  --gray-300: #999999;
  --gray-200: #cccccc;
  --gray-100: #e5e5e5;
  --gray-50: #f2f2f2;
  --white: #ffffff;
  --off-white: #fafafa;

  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;
  --text-8xl: 6rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --max-width: 1280px;
  --nav-height: 72px;
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --duration: 250ms;
  --duration-slow: 500ms;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background-color: var(--white);
  color: var(--black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: var(--font); }
input, textarea, select { font-family: var(--font); }

/* ─── SCROLLBAR ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--gray-50); }
::-webkit-scrollbar-thumb { background: var(--black); border-radius: 3px; }

/* ─── SELECTION ─────────────────────────────────────────── */
::selection { background: var(--black); color: var(--white); }

/* ─── CONTAINER ─────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (min-width: 768px) {
  .container { padding: 0 var(--space-8); }
}

@media (min-width: 1280px) {
  .container { padding: 0 var(--space-12); }
}

/* ─── TYPOGRAPHY UTILITIES ──────────────────────────────── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--gray-400);
}

.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--black);
}

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 32px;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  transition: all var(--duration) var(--ease);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
}

.btn-primary {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.btn-primary:hover {
  background: var(--black-700);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--black);
  border-color: var(--black);
}

.btn-ghost:hover {
  background: var(--black);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-full { width: 100%; }

/* ─── NAVBAR ─────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration) var(--ease), background var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.navbar.scrolled {
  border-bottom-color: var(--gray-100);
  box-shadow: 0 1px 20px rgba(0,0,0,0.06);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-8);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark {
  font-size: 1.4rem;
  color: var(--black);
  line-height: 1;
  transition: transform var(--duration) var(--ease);
}

.nav-logo:hover .logo-mark {
  transform: rotate(30deg);
}

.logo-text {
  font-size: var(--text-base);
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--black);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav-link {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-500);
  border-radius: var(--radius-sm);
  transition: color var(--duration) var(--ease), background var(--duration) var(--ease);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--black);
  border-radius: 1px;
  transition: width var(--duration) var(--ease);
}

.nav-link:hover,
.nav-link.active { color: var(--black); }

.nav-link.active::after,
.nav-link:hover::after { width: 60%; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.lang-toggle {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gray-500);
  background: transparent;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  transition: all var(--duration) var(--ease);
  cursor: pointer;
}

.lang-toggle:hover {
  color: var(--black);
  border-color: var(--black);
}

.nav-cta {
  padding: 10px 20px;
  font-size: var(--text-sm);
  font-weight: 600;
  background: var(--black);
  color: var(--white);
  border: 2px solid var(--black);
  border-radius: var(--radius-sm);
  transition: all var(--duration) var(--ease);
}

.nav-cta:hover {
  background: transparent;
  color: var(--black);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  padding: var(--space-2);
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--black);
  border-radius: 1px;
  transition: all var(--duration) var(--ease);
  transform-origin: center;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
    padding: var(--space-6);
    gap: var(--space-1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-slow) var(--ease);
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link { width: 100%; text-align: center; padding: var(--space-3); }
  .hamburger { display: flex; }
  .nav-cta { display: none; }
}

/* ─── HERO ───────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: var(--black);
  color: var(--white);
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(60,60,60,0.4) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: var(--space-20) 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-6);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 100px;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-300);
  animation: fadeInDown 0.8s var(--ease-out) both;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--white);
  border-radius: 50%;
  opacity: 0.7;
}

.hero-headline {
  font-size: clamp(var(--text-4xl), 7vw, var(--text-8xl));
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.04em;
  color: var(--white);
  max-width: 16ch;
}

.hero-line {
  display: block;
  animation: fadeInUp 0.8s var(--ease-out) 0.2s both;
}

.hero-line--accent {
  animation-delay: 0.35s;
  color: var(--gray-300);
}

.hero-sub {
  font-size: clamp(var(--text-base), 1.5vw, var(--text-xl));
  color: var(--gray-400);
  max-width: 48ch;
  line-height: 1.7;
  animation: fadeInUp 0.8s var(--ease-out) 0.5s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s var(--ease-out) 0.65s both;
}

.hero-actions .btn-primary {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.hero-actions .btn-primary:hover {
  background: var(--gray-100);
  box-shadow: 0 8px 24px rgba(255,255,255,0.2);
}

.hero-actions .btn-ghost {
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}

.hero-actions .btn-ghost:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.1);
  animation: fadeInUp 0.8s var(--ease-out) 0.8s both;
}

.stat { display: flex; flex-direction: column; gap: 2px; }

.stat-number {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--gray-400);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-scroll-indicator span {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}

/* ─── ABOUT ──────────────────────────────────────────────── */
.about {
  padding: var(--space-32) 0;
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
  margin-bottom: var(--space-20);
}

.about-tagline {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-400);
  margin-top: var(--space-4);
  font-style: italic;
}

.about-right p {
  color: var(--gray-500);
  font-size: var(--text-lg);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}

.mission-vision-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-20);
  border-top: 1px solid var(--gray-100);
  padding-top: var(--space-16);
}

.mv-card {
  padding: var(--space-8);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  transition: all var(--duration) var(--ease);
  position: relative;
  overflow: hidden;
}

.mv-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--black);
  transform: scaleX(0);
  transition: transform var(--duration) var(--ease);
}

.mv-card:hover {
  border-color: var(--gray-200);
  box-shadow: 0 8px 32px rgba(0,0,0,0.06);
  transform: translateY(-4px);
}

.mv-card:hover::before { transform: scaleX(1); }

.mv-icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-4);
  display: block;
}

.mv-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
}

.mv-card p {
  color: var(--gray-500);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* Team */
.team-section { border-top: 1px solid var(--gray-100); padding-top: var(--space-16); }

.team-heading {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-12);
  letter-spacing: -0.02em;
}

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

.team-card {
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--duration) var(--ease);
}

.team-card:hover {
  border-color: var(--black);
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}

.team-avatar {
  background: var(--black);
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-initials {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.05em;
}

.team-info { padding: var(--space-6); }

.team-name {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.team-role {
  font-size: var(--text-xs);
  color: var(--gray-400);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
}

.team-bio {
  font-size: var(--text-sm);
  color: var(--gray-500);
  line-height: 1.6;
}

/* ─── SERVICES ───────────────────────────────────────────── */
.services {
  padding: var(--space-32) 0;
  background: var(--off-white);
}

.services-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: end;
  margin-bottom: var(--space-16);
}

.services-header p {
  color: var(--gray-500);
  font-size: var(--text-lg);
  line-height: 1.7;
  align-self: end;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-20);
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  transition: all var(--duration) var(--ease);
  cursor: pointer;
  outline: none;
}

.service-card:focus-visible {
  outline: 2px solid var(--black);
  outline-offset: 2px;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--black);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-slow) var(--ease);
}

.service-card:hover {
  border-color: var(--black);
  box-shadow: 0 16px 48px rgba(0,0,0,0.1);
  transform: translateY(-6px);
}

.service-card:hover::after { transform: scaleX(1); }

.service-number {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--gray-200);
  letter-spacing: 0.1em;
}

.service-icon {
  font-size: 1.75rem;
  margin-bottom: var(--space-4);
  display: block;
  transition: transform var(--duration) var(--ease);
}

.service-card:hover .service-icon { transform: scale(1.2) rotate(10deg); }

.service-card h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
}

.service-card p {
  color: var(--gray-500);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
}

.service-tags li {
  padding: 3px 10px;
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: 100px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--gray-500);
  letter-spacing: 0.04em;
  transition: all var(--duration) var(--ease);
}

.service-card:hover .service-tags li {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

/* Portfolio */
.portfolio-section { border-top: 1px solid var(--gray-200); padding-top: var(--space-16); }

.portfolio-heading {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-10);
  letter-spacing: -0.02em;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.portfolio-card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: var(--space-8);
  background: var(--white);
  transition: all var(--duration) var(--ease);
  cursor: pointer;
  outline: none;
}

.portfolio-card:hover {
  border-color: var(--black);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.portfolio-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--black);
  color: var(--white);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: var(--space-4);
  letter-spacing: 0.06em;
}

.portfolio-card h4 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.portfolio-card p {
  color: var(--gray-500);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.portfolio-result {
  font-size: var(--text-3xl);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--black);
  border-top: 1px solid var(--gray-100);
  padding-top: var(--space-4);
}

/* ─── ALLIANCES ──────────────────────────────────────────── */
.alliances {
  padding: var(--space-32) 0;
  background: var(--black);
  color: var(--white);
  overflow: hidden;
}

.alliances .section-label { color: var(--gray-500); }
.alliances .section-label::before { background: var(--gray-600); }

.alliances .section-title { color: var(--white); }

.alliances-sub {
  color: var(--gray-400);
  font-size: var(--text-lg);
  margin-top: var(--space-4);
  max-width: 56ch;
}

/* Track scroll */
.alliances-track-wrapper {
  overflow: hidden;
  margin: var(--space-16) calc(-1 * var(--space-6));
  position: relative;
}

.alliances-track-wrapper::before,
.alliances-track-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}

.alliances-track-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--black), transparent);
}

.alliances-track-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--black), transparent);
}

.alliances-track {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  width: max-content;
  animation: infiniteScroll 30s linear infinite;
}

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

.alliance-card {
  flex-shrink: 0;
  width: 220px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  transition: all var(--duration) var(--ease);
  cursor: pointer;
  outline: none;
}

.alliance-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-4px);
}

.alliance-logo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.alliance-icon { font-size: 2rem; }

.alliance-name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.04em;
}

.alliance-type {
  font-size: var(--text-xs);
  color: var(--gray-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: center;
}

.alliances-cta {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-top: var(--space-16);
  padding-top: var(--space-12);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.alliances-cta p {
  font-size: var(--text-lg);
  color: var(--gray-400);
  flex: 1;
}

.alliances-cta .btn-primary {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.alliances-cta .btn-primary:hover {
  background: var(--gray-100);
  box-shadow: 0 8px 24px rgba(255,255,255,0.15);
}

/* ─── CONTACT ────────────────────────────────────────────── */
.contact {
  padding: var(--space-32) 0;
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-20);
  align-items: start;
}

.contact-info p {
  color: var(--gray-500);
  font-size: var(--text-lg);
  line-height: 1.7;
  margin-top: var(--space-6);
  margin-bottom: var(--space-10);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

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

.contact-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
}

.contact-item-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}

.contact-item a {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--black);
  transition: color var(--duration) var(--ease);
}

.contact-item a:hover { color: var(--gray-500); }

/* Social */
.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  color: var(--gray-500);
  transition: all var(--duration) var(--ease);
}

.social-link:hover {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
  transform: translateY(-2px);
}

/* Form */
.contact-form-wrapper {
  background: var(--off-white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

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

.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--black);
  letter-spacing: 0.01em;
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 14px 16px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--black);
  transition: all var(--duration) var(--ease);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23555' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-300);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.06);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-error {
  font-size: var(--text-xs);
  color: #cc0000;
  font-weight: 500;
  display: none;
}

.form-error.visible { display: block; }

/* Submit button states */
#submit-btn { position: relative; }

.btn-loader {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0,0,0,0.2);
  border-top-color: var(--black);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.btn-primary .btn-loader {
  border-color: rgba(255,255,255,0.3);
  border-top-color: var(--white);
}

#submit-btn.loading .btn-text { display: none; }
#submit-btn.loading .btn-loader { display: block; }

.form-success {
  display: none;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--black);
}

.form-success.show { display: flex; }

/* ─── FOOTER ─────────────────────────────────────────────── */
.footer {
  background: var(--black-900);
  color: var(--white);
}

.footer-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-16);
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
  color: var(--gray-500);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-top: var(--space-4);
  max-width: 30ch;
}

.footer-logo .logo-text { color: var(--white); }
.footer-logo .logo-mark { color: var(--white); }

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.footer-col-title {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: var(--space-4);
}

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

.footer-col a {
  font-size: var(--text-sm);
  color: var(--gray-400);
  transition: color var(--duration) var(--ease);
}

.footer-col a:hover { color: var(--white); }

.footer-bottom {
  padding: var(--space-6) 0;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--gray-600);
}

/* ─── ANIMATIONS ─────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scrollLine {
  0%, 100% { transform: scaleY(0) translateY(-50%); opacity: 0; }
  50%       { transform: scaleY(1) translateY(0); opacity: 1; }
}

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

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

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1100px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .mission-vision-grid { grid-template-columns: 1fr; }
  .services-header { grid-template-columns: 1fr; gap: var(--space-4); }
  .portfolio-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-12); }
  .footer-container { grid-template-columns: 1fr; }
  .alliances-cta { flex-direction: column; text-align: center; }
  .alliances-cta p { flex: none; }
}

@media (max-width: 640px) {
  :root { --space-32: 5rem; }
  .services-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: var(--space-4); }
  .stat-divider { width: 40px; height: 1px; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
  .footer-bottom .container { flex-direction: column; gap: var(--space-2); text-align: center; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .contact-form-wrapper { padding: var(--space-6); }
}

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

/* ─── FOCUS / ACCESSIBILITY ──────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--black);
  outline-offset: 3px;
}

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