/* ===== CSS Variables & Reset ===== */
:root {
  --primary-dark: #0c1a32;
  --primary: #162b4a;
  --primary-medium: #1e3a5f;
  --primary-light: #2a4d7a;
  --accent: #c9a84c;
  --accent-light: #dfc07a;
  --accent-dark: #a8883a;
  --white: #ffffff;
  --off-white: #f8f9fc;
  --light-gray: #eef0f5;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --text-dark: #111827;
  --text-body: #374151;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.2);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', serif;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  color: var(--text-body);
  line-height: 1.7;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--primary-dark);
  color: var(--white);
}

.section-light {
  background: var(--off-white);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-dark .section-header h2 {
  color: var(--white);
}

.section-header .subtitle {
  font-size: 1.125rem;
  color: var(--gray-500);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}

.section-dark .section-header .subtitle {
  color: var(--gray-300);
}

.accent-line {
  width: 60px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  margin: 0 auto 20px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-primary);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.2;
}

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

.btn-primary:hover {
  background: var(--accent-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(201, 168, 76, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

.btn-sm {
  padding: 10px 24px;
  font-size: 0.875rem;
}

/* ===== Header / Navigation ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(12, 26, 50, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(12, 26, 50, 0.98);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--primary-dark);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-text .name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.logo-text .tagline {
  font-size: 0.65rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav a {
  color: rgba(255,255,255,0.75);
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 6px;
  transition: var(--transition);
  text-decoration: none;
}

.nav a:hover,
.nav a.active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.nav a.active {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--primary-dark);
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(201, 168, 76, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(42, 77, 122, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(12, 26, 50, 0.9) 0%, transparent 50%);
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
}

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

.hero-content {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
  padding: 80px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(201, 168, 76, 0.1);
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-radius: 50px;
  color: var(--accent-light);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 32px;
  letter-spacing: 0.02em;
}

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

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

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero h1 .highlight {
  color: var(--accent);
  position: relative;
}

.hero p {
  font-size: 1.2rem;
  color: var(--gray-300);
  line-height: 1.8;
  max-width: 680px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  padding-top: 48px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.hero-stat {
  text-align: center;
}

.hero-stat .number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--gray-400);
  margin-top: 4px;
}

/* ===== About Section ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.about-text .lead {
  font-size: 1.1rem;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 24px;
}

.about-text p {
  color: var(--gray-600);
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 40px;
}

.about-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.about-info-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: rgba(201, 168, 76, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.about-info-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 2px;
}

.about-info-item p {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: 0;
}

.about-visual {
  position: relative;
}

.about-card {
  background: var(--primary-dark);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(201,168,76,0.06) 0%, transparent 70%);
}

.about-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--accent);
  position: relative;
}

.about-card p {
  color: var(--gray-300);
  margin-bottom: 16px;
  font-size: 0.95rem;
  position: relative;
  line-height: 1.8;
}

.about-card .company-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: relative;
}

.about-card .company-detail:last-child {
  border-bottom: none;
}

.about-card .company-detail-icon {
  width: 36px;
  height: 36px;
  background: rgba(201,168,76,0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.about-card .company-detail-text {
  font-size: 0.9rem;
  color: var(--gray-300);
}

.about-card .company-detail-text strong {
  color: var(--white);
}

/* ===== Services Section ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(201,168,76,0.2);
}

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

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(201,168,76,0.1);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--accent);
  color: var(--primary-dark);
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ===== Why Us Section ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}

.why-card:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-4px);
}

.why-card .number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 12px;
  line-height: 1;
}

.why-card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}

.why-card p {
  font-size: 0.85rem;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(201,168,76,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 50%, rgba(42,77,122,0.1) 0%, transparent 50%);
}

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

.cta-section h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.1rem;
  color: var(--gray-300);
  max-width: 600px;
  margin: 0 auto 32px;
}

/* ===== Contact Section ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h3 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 12px;
}

.contact-info > p {
  color: var(--gray-500);
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: rgba(201,168,76,0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.contact-item h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 2px;
}

.contact-item p,
.contact-item a {
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.5;
}

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

.contact-form {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
}

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

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  color: var(--text-dark);
  transition: var(--transition);
  background: var(--off-white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.1);
  background: var(--white);
}

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

/* ===== Footer ===== */
.footer {
  background: var(--primary-dark);
  color: var(--gray-300);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

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

.footer-brand p {
  font-size: 0.9rem;
  color: var(--gray-400);
  margin-top: 16px;
  line-height: 1.7;
  max-width: 320px;
}

.footer h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--gray-400);
  font-size: 0.9rem;
  transition: var(--transition);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--gray-500);
}

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

.footer-bottom-links a {
  font-size: 0.85rem;
  color: var(--gray-500);
  text-decoration: none;
}

.footer-bottom-links a:hover {
  color: var(--accent);
}

/* ===== Page Header (inner pages) ===== */
.page-header {
  background: var(--primary-dark);
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(201,168,76,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(42,77,122,0.1) 0%, transparent 50%);
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.page-header p {
  font-size: 1.1rem;
  color: var(--gray-300);
  max-width: 640px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 0.85rem;
}

.breadcrumb a {
  color: var(--gray-400);
  text-decoration: none;
}

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

.breadcrumb .sep {
  color: var(--gray-500);
}

.breadcrumb .current {
  color: var(--accent);
}

/* ===== Legal Pages Content ===== */
.legal-content {
  max-width: 860px;
  margin: 0 auto;
  padding: 80px 0;
}

.legal-content .last-updated {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(201,168,76,0.08);
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: 40px;
}

.legal-content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-200);
}

.legal-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 32px;
  margin-bottom: 12px;
}

.legal-content p {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 16px;
}

.legal-content ul,
.legal-content ol {
  margin: 16px 0 24px;
  padding-left: 24px;
}

.legal-content li {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 8px;
}

.legal-content strong {
  color: var(--primary-dark);
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 12px;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent);
  color: var(--primary-dark);
  transform: translateY(-4px);
}

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

@media (max-width: 768px) {
  .nav {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(12, 26, 50, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    gap: 4px;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    width: 100%;
    padding: 14px 18px;
    font-size: 1rem;
  }

  .nav-toggle {
    display: flex;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

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

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

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

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

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

  .section {
    padding: 64px 0;
  }

  .section-header h2 {
    font-size: 2rem;
  }

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

  .contact-form {
    padding: 24px;
  }

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.9rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

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

  .container {
    padding: 0 16px;
  }
}