/* ===== DESIGN TOKENS ===== */
:root {
  /* Colors – Ocean/Wind palette */
  --color-bg-deep: #040a18;
  --color-bg-primary: #060e24;
  --color-bg-secondary: #0b1a3a;
  --color-bg-card: rgba(12, 30, 65, 0.55);
  --color-bg-card-hover: rgba(18, 44, 90, 0.65);
  --color-glass-border: rgba(100, 180, 255, 0.12);
  --color-glass-border-hover: rgba(100, 180, 255, 0.25);

  --color-accent: #00b4d8;
  --color-accent-light: #48cae4;
  --color-accent-dim: rgba(0, 180, 216, 0.15);
  --color-teal: #0096c7;
  --color-cyan: #90e0ef;
  --color-gold: #f4a261;

  --color-text-primary: #e8f0fc;
  --color-text-secondary: #94a8c8;
  --color-text-muted: #5a7099;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter', sans-serif;

  --fs-hero: clamp(2.8rem, 6vw, 5.5rem);
  --fs-h1: clamp(2rem, 4vw, 3.2rem);
  --fs-h2: clamp(1.5rem, 3vw, 2.2rem);
  --fs-h3: clamp(1.1rem, 2vw, 1.4rem);
  --fs-body: clamp(0.95rem, 1.2vw, 1.1rem);
  --fs-small: clamp(0.8rem, 1vw, 0.9rem);
  --fs-xs: 0.75rem;

  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-black: 900;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 10rem;

  /* Layout */
  --max-width: 1280px;
  --border-radius: 16px;
  --border-radius-sm: 10px;
  --border-radius-xs: 6px;

  /* Animation */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --duration-fast: 0.2s;
  --duration-normal: 0.4s;
  --duration-slow: 0.8s;
}

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

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

body {
  font-family: var(--font-primary);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: 1.7;
  color: var(--color-text-primary);
  background: var(--color-bg-deep);
  overflow-x: hidden;
}

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

a {
  color: var(--color-accent-light);
  text-decoration: none;
  transition: color var(--duration-fast);
}

a:hover {
  color: var(--color-cyan);
}

button {
  cursor: pointer;
  font-family: var(--font-primary);
}

/* ===== UTILITY CLASSES ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
}

.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

.section-title {
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.section-title .accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--fs-body);
  color: var(--color-text-secondary);
  max-width: 640px;
  line-height: 1.8;
}

/* ===== GLASS CARD ===== */
.glass-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--border-radius);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-lg);
  transition: all var(--duration-normal) var(--ease-out-quart);
}

.glass-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-glass-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px -15px rgba(0, 180, 216, 0.12);
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--duration-normal) var(--ease-out-quart);
}

.nav.scrolled {
  background: rgba(4, 10, 24, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--color-glass-border);
  padding: 0.6rem 0;
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.1rem;
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.nav-brand svg {
  width: 36px;
  height: 36px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  padding: 0.5rem 1.1rem;
  border-radius: var(--border-radius-xs);
  transition: all var(--duration-fast);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
  transform: translateX(-50%);
  transition: width var(--duration-fast) var(--ease-out-quart);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 30px;
}

.nav-cta {
  font-size: var(--fs-small) !important;
  font-weight: var(--fw-semibold) !important;
  color: var(--color-bg-deep) !important;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  padding: 0.55rem 1.5rem !important;
  border-radius: 50px !important;
  transition: all var(--duration-fast) !important;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 25px -5px rgba(0, 180, 216, 0.4);
}

.nav-cta::after {
  display: none !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--duration-fast);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, transparent 0%, var(--color-bg-deep) 100%),
    linear-gradient(180deg, transparent 0%, var(--color-bg-deep) 95%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  padding-top: 4rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1rem 0.45rem 0.6rem;
  background: var(--color-accent-dim);
  border: 1px solid rgba(0, 180, 216, 0.2);
  border-radius: 50px;
  font-size: var(--fs-xs);
  color: var(--color-accent-light);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s var(--ease-out-expo) both;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-size: var(--fs-hero);
  font-weight: var(--fw-black);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.1s both;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-cyan) 50%, var(--color-accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 580px;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.3s both;
}

.hero-stats {
  display: flex;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.4s both;
}

.hero-stat {
  position: relative;
}

.hero-stat::before {
  content: '';
  position: absolute;
  left: -1rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent), transparent);
  border-radius: 1px;
}

.hero-stat-value {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: var(--fw-bold);
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  line-height: 1;
}

.hero-stat-label {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.02em;
  border: none;
  transition: all var(--duration-fast) var(--ease-out-quart);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-teal));
  color: var(--color-bg-deep);
}

.btn-primary:hover {
  color: var(--color-bg-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 35px -8px rgba(0, 180, 216, 0.5);
}

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

.btn-secondary:hover {
  color: var(--color-text-primary);
  border-color: var(--color-glass-border-hover);
  background: rgba(255, 255, 255, 0.03);
  transform: translateY(-2px);
}

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

.btn:hover .btn-icon {
  transform: translateX(3px);
}

/* ===== ABOUT SECTION ===== */
.about {
  background: var(--color-bg-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
  margin-top: var(--space-xl);
}

.about-text {
  font-size: var(--fs-body);
  color: var(--color-text-secondary);
  line-height: 1.9;
}

.about-text p+p {
  margin-top: var(--space-md);
}

.about-features {
  display: grid;
  gap: var(--space-md);
}

.about-feature {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.about-feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-sm);
  background: var(--color-accent-dim);
  border: 1px solid rgba(0, 180, 216, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.about-feature-icon svg {
  width: 20px;
  height: 20px;
}

.about-feature h4 {
  font-size: var(--fs-h3);
  font-weight: var(--fw-semibold);
  margin-bottom: 0.25rem;
  color: var(--color-text-primary);
}

.about-feature p {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ===== CHALLENGE SECTION ===== */
.challenge {
  background: var(--color-bg-deep);
  overflow: hidden;
}

.challenge-banner {
  background: linear-gradient(135deg, rgba(0, 150, 199, 0.08), rgba(0, 180, 216, 0.04));
  border: 1px solid var(--color-glass-border);
  border-radius: var(--border-radius);
  padding: var(--space-xl) var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  margin-top: var(--space-xl);
}

.challenge-text h3 {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
  line-height: 1.2;
}

.challenge-text p {
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.challenge-points {
  display: grid;
  gap: var(--space-sm);
}

.challenge-point {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: var(--space-sm);
  border-radius: var(--border-radius-sm);
  background: rgba(0, 180, 216, 0.04);
  border: 1px solid rgba(0, 180, 216, 0.06);
  transition: all var(--duration-fast);
}

.challenge-point:hover {
  background: rgba(0, 180, 216, 0.08);
  border-color: rgba(0, 180, 216, 0.15);
}

.team-avatar {
  width: 130px;
  height: 130px;
  margin: 0 auto var(--space-md);
  background: var(--color-accent-dim);
  border: 1px solid rgba(0, 180, 216, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--color-accent);
  overflow: hidden;
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.challenge-point-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-accent-dim);
  border: 1px solid rgba(0, 180, 216, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  color: var(--color-accent);
}

.challenge-point p {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== SERVICES SECTION ===== */
.services {
  background: var(--color-bg-primary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-cyan));
  opacity: 0;
  transition: opacity var(--duration-normal);
}

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

.service-number {
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  color: var(--color-accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.service-card h3 {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.service-card p {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.service-list {
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.service-list li {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-list li::before {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ===== CAPABILITIES SECTION ===== */
.capabilities {
  background: var(--color-bg-deep);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.capability-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-radius: var(--border-radius-sm);
  border: 1px solid transparent;
  transition: all var(--duration-normal) var(--ease-out-quart);
}

.capability-item:hover {
  background: rgba(0, 180, 216, 0.04);
  border-color: var(--color-glass-border);
}

.capability-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  background: linear-gradient(135deg, var(--color-accent-dim), rgba(0, 180, 216, 0.08));
  border: 1px solid rgba(0, 180, 216, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  transition: all var(--duration-normal);
}

.capability-item:hover .capability-icon {
  background: linear-gradient(135deg, var(--color-accent-dim), rgba(0, 180, 216, 0.15));
  border-color: rgba(0, 180, 216, 0.25);
  transform: scale(1.05);
}

.capability-icon svg {
  width: 22px;
  height: 22px;
}

.capability-item h4 {
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  margin-bottom: 0.2rem;
}

.capability-item p {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== PARTNERS SECTION ===== */
.partners {
  background: var(--color-bg-primary);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.partner-card {
  text-align: center;
  position: relative;
}

.partner-logo {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--space-md);
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.1), rgba(0, 150, 199, 0.05));
  border: 1px solid rgba(0, 180, 216, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 15px;
}

.partner-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform var(--duration-normal);
}

/* Theme-specific logo swapping */
.partner-logo .logo-light {
  display: none;
}

.partner-logo .logo-dark {
  display: block;
}

[data-theme="light"] .partner-logo .logo-light {
  display: block;
}

[data-theme="light"] .partner-logo .logo-dark {
  display: none;
}

.partner-card:hover .partner-logo img {
  transform: scale(1.1);
}


.partner-card:hover .partner-logo {
  border-color: var(--color-accent);
  box-shadow: 0 0 30px rgba(0, 180, 216, 0.2);
}

.partner-card h3 {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  margin-bottom: 0.25rem;
  color: var(--color-text-primary);
}

.partner-tagline {
  font-size: var(--fs-xs);
  color: var(--color-accent);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.partner-card>p {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.partner-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--color-accent-light);
  transition: all var(--duration-fast);
}

.partner-link:hover {
  gap: 0.7rem;
  color: var(--color-cyan);
}

.partner-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-fast);
}

.partner-link:hover svg {
  transform: translateX(2px);
}

/* ===== TEAM SECTION ===== */
.team {
  background: var(--color-bg-deep);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.team-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
}

.team-avatar {
  width: 130px;
  height: 130px;
  margin: 0 auto var(--space-sm);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent-dim), rgba(0, 150, 199, 0.15));
  border: 2px solid rgba(0, 180, 216, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: var(--fw-bold);
  color: var(--color-accent);
  transition: all var(--duration-normal);
}

.team-card:hover .team-avatar {
  border-color: var(--color-accent);
  box-shadow: 0 0 25px rgba(0, 180, 216, 0.2);
  transform: scale(1.05);
}

.team-card h4 {
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  margin-bottom: 0.15rem;
}

.team-role {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.team-company {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  background: var(--color-accent-dim);
  padding: 0.2rem 0.7rem;
  border-radius: 50px;
  margin-bottom: var(--space-sm);
}

.team-linkedin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-glass-border);
  color: var(--color-text-secondary);
  transition: all var(--duration-fast);
}

.team-linkedin:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-dim);
}

.team-linkedin svg {
  width: 16px;
  height: 16px;
}

/* ===== CONTACT SECTION ===== */
.contact {
  background: var(--color-bg-primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  margin-top: var(--space-xl);
}

.contact-info h3 {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.contact-info>p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.8;
}

.contact-channels {
  display: grid;
  gap: var(--space-sm);
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--color-glass-border);
  transition: all var(--duration-fast);
}

.contact-channel:hover {
  border-color: var(--color-glass-border-hover);
  background: rgba(0, 180, 216, 0.04);
}

.contact-channel-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-xs);
  background: var(--color-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-channel-icon svg {
  width: 18px;
  height: 18px;
}

.contact-channel span {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
}

.contact-channel strong {
  display: block;
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
}

/* Form */
.contact-form {
  display: grid;
  gap: var(--space-md);
}

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

.form-group {
  position: relative;
}

.form-group label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(12, 30, 65, 0.1);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-primary);
  font-size: var(--fs-body);
  color: var(--color-text-primary);
  transition: all var(--duration-fast);
  outline: none;
}

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

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.1);
}

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

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a8c8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  cursor: pointer;
}

.form-group select option {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.recaptcha-wrapper {
  display: flex;
  justify-content: flex-start;
}

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

.form-status {
  font-size: var(--fs-small);
  display: none;
}

.form-status.success {
  display: block;
  color: #4ade80;
}

.form-status.error {
  display: block;
  color: #f87171;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-bg-deep);
  border-top: 1px solid var(--color-glass-border);
  padding: var(--space-xl) 0 var(--space-lg);
}

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

.footer-brand p {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-top: var(--space-sm);
  max-width: 300px;
}

.footer-col h5 {
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-sm);
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li+li {
  margin-top: 0.4rem;
}

.footer-col a {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(100, 180, 255, 0.06);
}

.footer-bottom p {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.footer-socials {
  display: flex;
  gap: 0.5rem;
}

.footer-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-glass-border);
  color: var(--color-text-muted);
  transition: all var(--duration-fast);
}

.footer-socials a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-dim);
}

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.9s var(--ease-out-expo);
}

.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;
}

/* ===== KEYFRAMES ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(1.3);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

/* ===== SECTION DIVIDERS ===== */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-glass-border), transparent);
  margin: 0;
  border: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

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

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

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

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

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

  .challenge-banner {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .section {
    padding: var(--space-2xl) 0;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background: rgba(6, 14, 36, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    gap: 0.5rem;
    transition: right var(--duration-normal) var(--ease-out-expo);
    border-left: 1px solid var(--color-glass-border);
    z-index: 1000;
  }

  [data-theme="light"] .nav-links {
    background: rgba(255, 255, 255, 0.97);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: var(--fs-body);
    padding: 0.75rem 1rem;
    width: 100%;
  }

  .nav-cta {
    margin-top: var(--space-sm);
    text-align: center;
    justify-content: center;
  }

  .hamburger {
    display: flex;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
  }

  .hero-stat::before {
    left: 0;
    width: 2px;
  }

  .hero-stat {
    padding-left: 1rem;
  }

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

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

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 100svh;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ===== MOBILE OVERLAY ===== */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

.nav-overlay.active {
  display: block;
}

/* ===== SCROLL PROGRESS ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-cyan));
  z-index: 1001;
  width: 0%;
  transition: width 0.1s linear;
}

/* ===== THEME TOGGLE & LIGHT MODE ===== */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--color-glass-border);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--duration-fast);
  margin-left: 0.5rem;
}

.theme-toggle:hover {
  background: var(--color-accent-dim);
  border-color: var(--color-accent);
}

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

.sun-icon {
  display: none;
}

[data-theme="light"] .sun-icon {
  display: block;
}

[data-theme="light"] .moon-icon {
  display: none;
}

[data-theme="light"] {
  --color-bg-deep: #f0f4f8;
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #e2e8f0;
  --color-bg-card: rgba(255, 255, 255, 0.85);
  --color-bg-card-hover: rgba(255, 255, 255, 0.95);
  --color-glass-border: rgba(0, 150, 200, 0.2);
  --color-glass-border-hover: rgba(0, 150, 200, 0.4);

  --color-accent: #0077b6;
  --color-accent-light: #0096c7;
  --color-accent-dim: rgba(0, 119, 182, 0.1);
  --color-text-primary: #1a202c;
  --color-text-secondary: #4a5568;
  --color-text-muted: #718096;
}

/* Override background hero styling to include stock photo */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: url('assets/hero-bg.png') center/cover no-repeat;
}

[data-theme="light"] .hero-overlay {
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(240, 244, 248, 0.4) 0%, rgba(240, 244, 248, 0.85) 100%),
    linear-gradient(180deg, transparent 0%, var(--color-bg-deep) 95%);
}

[data-theme="light"] .nav.scrolled {
  background: rgba(255, 255, 255, 0.85);
}

/* About Section structural enhancements for background image */
.about {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-primary);
}

.about-bg-wrapper {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.about-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
}

[data-theme="light"] .about-bg-image {
  opacity: 0.08;
}

.about-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--color-bg-primary) 30%, transparent 100%);
}

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