/* =====================================================
   Canal Works - Professional Stylesheet
   ===================================================== */

/* --- Variables --- */
:root {
  --color-primary-dark: #0b1a2e;
  --color-primary: #0f2340;
  --color-primary-medium: #152d4e;
  --color-primary-light: #1e3f6b;
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-accent-secondary: #06b6d4;
  --color-bg: #f8fafc;
  --color-bg-alt: #eef2f7;
  --color-bg-card: #ffffff;
  --color-text: #334155;
  --color-text-dark: #0f172a;
  --color-text-light: #64748b;
  --color-text-white: #ffffff;
  --color-border: #e2e8f0;
  --color-success: #10b981;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  --section-padding: 100px 0;
  --container-width: 1200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset --- */
*,
*::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: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

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

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

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

ul,
ol {
  list-style: none;
}

/* --- Container --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text-dark);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 1rem;
}

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

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

/* --- Section --- */
.section {
  padding: var(--section-padding);
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-text-white) !important;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover) !important;
  border-color: var(--color-accent-hover) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.35);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-white) !important;
  border-color: var(--color-text-white);
}

.btn-secondary:hover {
  background-color: var(--color-text-white) !important;
  color: var(--color-primary-dark) !important;
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-accent) !important;
  border-color: var(--color-accent);
}

.btn-outline:hover {
  background-color: var(--color-accent) !important;
  color: var(--color-text-white) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.35);
}

/* --- Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(11, 26, 46, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text-white) !important;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8) !important;
  position: relative;
  padding-bottom: 4px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: var(--transition);
  border-radius: 1px;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a:hover {
  color: var(--color-text-white) !important;
}

.nav-links a.active {
  color: var(--color-text-white) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 100;
}

.nav-toggle span {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--color-text-white);
  border-radius: 2px;
  transition: var(--transition);
}

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

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

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

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 40%, var(--color-primary-medium) 100%);
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: -30%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, transparent 65%);
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  bottom: -20%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, transparent 65%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding-top: 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 100px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 28px;
  font-weight: 500;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

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

.hero h1 {
  color: var(--color-text-white);
  margin-bottom: 24px;
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 640px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  line-height: 0;
  pointer-events: none;
}

.hero-wave svg {
  display: block;
  width: 100%;
  height: 80px;
}

/* --- Services --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

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

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(6, 182, 212, 0.08));
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  color: var(--color-accent);
}

.service-card h3 {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.service-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 0;
  line-height: 1.7;
}

/* --- About --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-content h2 {
  margin-bottom: 20px;
}

.about-content .about-lead {
  font-size: 1.1rem;
  color: var(--color-text-dark);
  font-weight: 500;
  margin-bottom: 20px;
}

.about-content p {
  color: var(--color-text);
  margin-bottom: 16px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px;
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.about-feature:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.about-feature-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(6, 182, 212, 0.08));
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

.about-feature-text h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.about-feature-text p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 0;
  line-height: 1.5;
}

/* --- Statistics --- */
.stats-section {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.stat-item {
  padding: 20px;
}

.stat-item .stat-number {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -1px;
}

.stat-item .stat-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: 0;
}

.stat-divider {
  width: 40px;
  height: 2px;
  background: var(--color-accent-secondary);
  margin: 12px auto 0;
  border-radius: 1px;
}

/* --- Why Choose Us --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-item {
  text-align: center;
  padding: 44px 28px;
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.feature-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-item-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
  border-radius: 50%;
  color: var(--color-text-white);
}

.feature-item h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.feature-item p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 0;
  line-height: 1.7;
}

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-medium));
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  color: var(--color-text-white);
  margin-bottom: 16px;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-form-wrap {
  background: var(--color-bg-card);
  padding: 44px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.contact-form-wrap h3 {
  margin-bottom: 8px;
}

.contact-form-wrap > p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.form-group textarea {
  min-height: 130px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-info-section {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-info-header h3 {
  margin-bottom: 12px;
}

.contact-info-header p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 0;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.contact-detail:hover {
  border-color: var(--color-accent);
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.08);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

.contact-detail-text h4 {
  font-size: 0.88rem;
  margin-bottom: 2px;
}

.contact-detail-text p {
  font-size: 0.93rem;
  color: var(--color-text-light);
  margin-bottom: 0;
  line-height: 1.5;
}

/* --- Footer --- */
.footer {
  background: var(--color-primary-dark);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand .logo {
  display: inline-block;
  margin-bottom: 16px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  color: var(--color-text-white);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links a {
  display: block;
  color: rgba(255, 255, 255, 0.55) !important;
  font-size: 0.9rem;
  padding: 5px 0;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-text-white) !important;
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
}

.footer-contact-icon {
  color: var(--color-accent);
  min-width: 18px;
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.85rem;
  margin-bottom: 0;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.4) !important;
  font-size: 0.85rem;
}

.footer-bottom-links a:hover {
  color: var(--color-text-white) !important;
}

/* --- Inner Page Header --- */
.page-header {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-medium));
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.page-header-glow {
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 65%);
  pointer-events: none;
}

.page-header-content {
  position: relative;
  z-index: 2;
}

.page-header h1 {
  color: var(--color-text-white);
  margin-bottom: 12px;
}

.page-header p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* --- Content Pages (Privacy, Terms) --- */
.content-section {
  padding: 80px 0;
}

.content-wrapper {
  max-width: 860px;
  margin: 0 auto;
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 60px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.content-wrapper .last-updated {
  display: block;
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-bottom: 36px;
  font-style: italic;
}

.content-wrapper h2 {
  font-size: 1.6rem;
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-bg-alt);
}

.content-wrapper h2:first-of-type {
  margin-top: 0;
}

.content-wrapper h3 {
  font-size: 1.15rem;
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--color-text-dark);
}

.content-wrapper p {
  margin-bottom: 16px;
  line-height: 1.8;
  color: var(--color-text);
}

.content-wrapper ul,
.content-wrapper ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.content-wrapper li {
  margin-bottom: 8px;
  line-height: 1.7;
  color: var(--color-text);
}

.content-wrapper ul li {
  list-style: disc;
}

.content-wrapper ol li {
  list-style: decimal;
}

.content-wrapper strong {
  color: var(--color-text-dark);
  font-weight: 600;
}

.content-wrapper .back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 24px;
  font-size: 0.9rem;
  font-weight: 500;
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger children */
.stagger-children > *:nth-child(1) { transition-delay: 0ms; }
.stagger-children > *:nth-child(2) { transition-delay: 100ms; }
.stagger-children > *:nth-child(3) { transition-delay: 200ms; }
.stagger-children > *:nth-child(4) { transition-delay: 300ms; }
.stagger-children > *:nth-child(5) { transition-delay: 400ms; }
.stagger-children > *:nth-child(6) { transition-delay: 500ms; }

/* --- Responsive - Desktop --- */
@media (max-width: 1200px) {
  .footer-grid {
    gap: 40px;
  }
}

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

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

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .about-grid {
    gap: 40px;
  }
}

/* --- Responsive - Mobile --- */
@media (max-width: 768px) {
  .nav {
    height: 64px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    flex-direction: column;
    background: rgba(11, 26, 46, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px 24px 32px;
    gap: 4px;
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-links a {
    display: block;
    padding: 12px 0;
    font-size: 1rem;
  }

  .hero {
    min-height: 90vh;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

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

  .hero-cta .btn {
    width: 100%;
    text-align: center;
  }

  .hero-wave svg {
    height: 40px;
  }

  .section {
    padding: 64px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .service-card {
    padding: 32px 24px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-item {
    padding: 12px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-form-wrap {
    padding: 28px 24px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

  .footer-bottom-links {
    justify-content: center;
  }

  .page-header {
    padding: 120px 0 60px;
  }

  .page-header h1 {
    font-size: 2rem;
  }

  .content-section {
    padding: 48px 0;
  }

  .content-wrapper {
    padding: 28px 20px;
    border-radius: var(--radius-md);
  }

  .content-wrapper h2 {
    font-size: 1.35rem;
    margin-top: 32px;
  }

  .cta-section {
    padding: 60px 0;
  }
}

/* --- Responsive - Small Mobile --- */
@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .stat-item .stat-number {
    font-size: 2rem;
  }

  .hero h1 {
    font-size: 1.9rem;
  }
}