/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #1a1a2e;
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== VARIABLES ===== */
:root {
  --blue: #37608f;
  --blue-light: #4670A2;
  --blue-dark: #2a4d75;
  --dark: #0f1923;
  --dark-card: #162330;
  --gray-bg: #f5f7fa;
  --gray-text: #5a6577;
  --gray-border: #e2e8f0;
  --white: #ffffff;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.10);
  --transition: 0.3s ease;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: var(--blue);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--blue-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(55,96,143,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
}
.btn-lg { padding: 18px 36px; font-size: 1.05rem; }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }

.link-arrow {
  color: var(--blue);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
}
.link-arrow:hover { color: var(--blue-light); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(15,25,35,0.95);
  backdrop-filter: blur(12px);
  padding: 10px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-links .btn { color: var(--white); }
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.4rem;
  cursor: pointer;
}

/* ===== HERO ===== */
.hero {
  background: var(--dark);
  padding: 160px 0 0;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 120%;
  background: radial-gradient(circle, rgba(55,96,143,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-content h1 {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-image {
  position: relative;
}
.hero-image img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* Stats Bar */
.stats-bar {
  background: var(--blue);
  margin-top: 80px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
}
.stat {
  padding: 32px 20px;
  border-right: 1px solid rgba(255,255,255,0.15);
}
.stat:last-child { border-right: none; }
.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
}
.stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.75);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
  display: block;
}

/* ===== SECTIONS ===== */
.section {
  padding: 100px 0;
}
.section-light { background: var(--white); }
.section-gray { background: var(--gray-bg); }
.section-dark {
  background: var(--dark);
  color: var(--white);
}
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-header h2 {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
}
.section-dark .section-header h2 { color: var(--white); }
.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-text);
  max-width: 560px;
  margin: 0 auto;
}
.section-dark .section-subtitle { color: rgba(255,255,255,0.6); }

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-image img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}
.about-content h2 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 20px;
  line-height: 1.15;
}
.about-content p {
  color: var(--gray-text);
  font-size: 1.05rem;
  margin-bottom: 24px;
  line-height: 1.7;
}

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.section-gray .service-card { background: var(--white); }
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.service-image img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.service-body {
  padding: 28px;
}
.service-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.service-body p {
  color: var(--gray-text);
  font-size: 0.95rem;
  margin-bottom: 16px;
  line-height: 1.6;
}

/* ===== PROCESS ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.process-step {
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  background: var(--gray-bg);
  transition: var(--transition);
}
.section-light .process-step { background: var(--gray-bg); }
.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.step-number {
  display: inline-block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--blue);
  margin-bottom: 16px;
}
.process-step h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.process-step p {
  color: var(--gray-text);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.stars {
  color: #f59e0b;
  font-size: 1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.testimonial-card blockquote {
  font-size: 0.95rem;
  color: var(--gray-text);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: normal;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-author img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
}
.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
}
.testimonial-author span {
  color: var(--gray-text);
  font-size: 0.8rem;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--gray-border);
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: var(--transition);
}
.faq-question:hover { color: var(--blue); }
.faq-question i {
  font-size: 0.85rem;
  color: var(--blue);
  transition: transform 0.3s ease;
}
.faq-item.open .faq-question i {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.open .faq-answer {
  max-height: 200px;
  padding-bottom: 24px;
}
.faq-answer p {
  color: var(--gray-text);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== CONTACT CTA ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.contact-content h2 {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.contact-content p {
  color: rgba(255,255,255,0.65);
  font-size: 1.05rem;
  margin-bottom: 32px;
}
.contact-info {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.contact-info h4 {
  color: var(--white);
  font-weight: 700;
  margin-bottom: 4px;
}
.contact-info p {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  margin-bottom: 0;
}
.contact-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-left {
  display: flex;
  align-items: center;
  gap: 16px;
}
.footer-brand {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--white);
}
.footer-copy {
  color: rgba(255,255,255,0.4);
  font-size: 0.85rem;
}
.footer-right {
  display: flex;
  gap: 24px;
}
.footer-right a {
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
}
.footer-right a:hover { color: var(--white); }

/* ===== IMAGE PLACEHOLDERS ===== */
.img-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.img-placeholder i {
  font-size: 3rem;
  color: rgba(255,255,255,0.5);
}

/* Hero placeholder */
.hero-placeholder {
  width: 100%;
  height: 480px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: linear-gradient(135deg, #1a3a5c 0%, #37608f 50%, #4670A2 100%);
}

/* About placeholder */
.about-placeholder {
  width: 100%;
  height: 440px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #0f1923 0%, #1a3a5c 50%, #2a4d75 100%);
}
.about-placeholder i { color: var(--blue-light); }

/* Service placeholders */
.service-placeholder {
  width: 100%;
  height: 220px;
}
.sp-1 { background: linear-gradient(135deg, #2a4d75 0%, #37608f 100%); }
.sp-2 { background: linear-gradient(135deg, #1a3a5c 0%, #4670A2 100%); }
.sp-3 { background: linear-gradient(135deg, #0f1923 0%, #37608f 100%); }
.sp-4 { background: linear-gradient(135deg, #37608f 0%, #2a4d75 100%); }
.service-placeholder i { font-size: 2.5rem; }

/* Contact placeholder */
.contact-placeholder {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #162330 0%, #37608f 100%);
}

/* Avatar circles for testimonials */
.avatar-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* ===== ANIMATIONS ===== */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-content h1 { font-size: 2.6rem; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(15,25,35,0.98);
    flex-direction: column;
    padding: 32px 24px;
    gap: 20px;
    backdrop-filter: blur(12px);
  }
  .nav-links.active { display: flex; }
  .mobile-toggle { display: block; }
  
  .hero { padding: 120px 0 0; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-content h1 { font-size: 2.2rem; }
  .hero-image img, .hero-placeholder { height: 320px; border-radius: var(--radius-lg); }
  
  .stats-grid { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.15); padding: 20px; }
  .stat:last-child { border-bottom: none; }
  
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  
  .services-grid,
  .process-grid,
  .testimonials-grid { grid-template-columns: 1fr; }
  
  .section { padding: 72px 0; }
  .section-header h2 { font-size: 1.8rem; }
  .about-content h2 { font-size: 1.8rem; }
  .contact-content h2 { font-size: 1.8rem; }
  
  .about-image img, .about-placeholder { height: 300px; }
  .contact-image img, .contact-placeholder { height: 280px; }
}