:root {
  --navy: #0d2436;
  --navy-light: #16405e;
  --amber: #f5a623;
  --amber-dark: #d88c0f;
  --gray-50: #f7f8fa;
  --gray-100: #eef0f3;
  --gray-500: #6b7580;
  --gray-700: #3a4149;
  --radius: 10px;
  --shadow: 0 4px 20px rgba(13, 36, 54, 0.08);
  --shadow-lg: 0 12px 40px rgba(13, 36, 54, 0.14);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  color: var(--gray-700);
  background: #fff;
  line-height: 1.6;
}

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

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  color: var(--amber-dark);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.8rem;
  margin-bottom: 8px;
}
.eyebrow.center { text-align: center; }

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.25;
}

.section-intro {
  max-width: 640px;
  margin: 0 auto 40px;
  text-align: center;
  color: var(--gray-500);
  line-height: 1.6;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  font-size: 1rem;
}
.btn-primary { background: var(--amber); color: var(--navy); }
.btn-primary:hover { background: var(--amber-dark); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-outline { border-color: #fff; color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }
.btn-small { padding: 10px 18px; font-size: 0.9rem; background: var(--amber); color: #000; }
.btn-small:hover { background: var(--amber-dark); }
.btn-full { width: 100%; }

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 36, 54, 0.97);
  backdrop-filter: blur(6px);
}
.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.header-cta { white-space: nowrap; }
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.2;
}
.logo-icon { font-size: 1.6rem; color: var(--amber); }
.logo strong { color: var(--amber); }
.logo small { color: #b7c2cc; font-weight: 400; }

.nav {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav a {
  color: #e7ebef;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color .15s ease;
}
.nav a:hover { color: var(--amber); }
.nav-cta-mobile { display: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: #fff;
  transition: transform .2s ease, opacity .2s ease;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: #fff;
  padding: 100px 0 90px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(245,166,35,0.18) 0%, transparent 70%);
}
.hero-inner { position: relative; max-width: 720px; }
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero-text {
  font-size: 1.1rem;
  color: #cbd5df;
  margin-bottom: 32px;
  max-width: 560px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Services */
.services { padding: 90px 0; background: var(--gray-50); }
.services .section-title { text-align: center; max-width: 640px; margin-left: auto; margin-right: auto; }

.services-grid {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.card {
  background: #fff;
  padding: 32px 26px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card-icon { margin-bottom: 16px; }
.card-icon img { width: 48px; height: 48px; object-fit: contain; }
.card h3 { color: var(--navy); margin-bottom: 10px; font-size: 1.15rem; }
.card p { color: var(--gray-500); font-size: 0.95rem; }

/* About */
.about { padding: 90px 0; }
.about-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  align-items: start;
}
.about-text p { color: var(--gray-500); margin-bottom: 20px; }
.about-list { list-style: none; }
.about-list li {
  padding-left: 28px;
  position: relative;
  margin-bottom: 12px;
  color: var(--gray-700);
  font-weight: 500;
}
.about-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--amber-dark);
  font-weight: 700;
}
.about-stats {
  display: grid;
  gap: 20px;
}
.stat {
  background: var(--navy);
  color: #fff;
  padding: 28px;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-num { font-size: 2.2rem; font-weight: 700; color: var(--amber); }

/* CTA */
.cta {
  background: linear-gradient(135deg, var(--amber) 0%, var(--amber-dark) 100%);
  padding: 60px 0;
  text-align: center;
  color: var(--navy);
}
.cta h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 12px; }
.cta p { margin-bottom: 24px; font-weight: 500; }
.cta .btn-primary { background: var(--navy); color: #fff; }
.cta .btn-primary:hover { background: #061422; }

/* Works Carousel */
.works { padding: 90px 0; background: var(--gray-50); }
.works .section-title { text-align: center; max-width: 640px; margin-left: auto; margin-right: auto; }

.carousel {
  position: relative;
  margin-top: 50px;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}
.carousel-track {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16 / 10;
  background: var(--navy);
}
.carousel-slide {
  display: none;
  width: 100%;
  height: 100%;
}
.carousel-slide.active {
  display: block;
}
.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: rgba(13, 36, 54, 0.65);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s ease;
}
.carousel-btn:hover { background: var(--amber); color: var(--navy); }
.carousel-prev { left: -18px; }
.carousel-next { right: -18px; }

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
}
.carousel-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: none;
  background: var(--gray-100);
  cursor: pointer;
  padding: 0;
  transition: background .15s ease, transform .15s ease;
}
.carousel-dot.active { background: var(--amber); transform: scale(1.2); }

@media (max-width: 640px) {
  .carousel-prev { left: 6px; }
  .carousel-next { right: 6px; }
}

/* Testimonials */
.testimonials { padding: 90px 0; }
.testimonials .section-title { text-align: center; max-width: 640px; margin-left: auto; margin-right: auto; }

.testimonials-grid {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: #fff;
  padding: 32px 26px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.testimonial-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.testimonial-card .stars { color: var(--amber); font-size: 1.1rem; margin-bottom: 14px; letter-spacing: 2px; }
.testimonial-card p { color: var(--gray-500); font-size: 0.95rem; font-style: italic; }

/* Contact */
.contact { padding: 90px 0; background: var(--gray-50); }
.contact-inner {
  max-width: 560px;
  margin: 0 auto;
}
.contact-info p { color: var(--gray-500); margin-bottom: 28px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
}
.contact-icon { font-size: 1.4rem; }
.contact-item a { color: var(--navy-light); text-decoration: none; }
.contact-item a:hover { text-decoration: underline; }

/* Footer */
.footer {
  background: var(--navy);
  color: #b7c2cc;
  padding: 28px 0;
  text-align: center;
  font-size: 0.85rem;
}
.footer-sub { margin-top: 4px; opacity: 0.7; }

/* Top nav bar entrance stagger (first visit) */
.header .logo,
.header .nav a,
.header .header-cta {
  opacity: 0;
  transform: translateY(-14px);
  animation: fadeInUp .4s ease forwards;
}
.header .logo { animation-delay: .06s; }
.header .nav a:nth-child(1) { animation-delay: .13s; }
.header .nav a:nth-child(2) { animation-delay: .2s; }
.header .nav a:nth-child(3) { animation-delay: .27s; }
.header .nav a:nth-child(4) { animation-delay: .34s; }
.header .nav a:nth-child(5) { animation-delay: .41s; }
.header .header-cta { animation-delay: .48s; }

/* Hero entrance stagger (first visit) */
.hero-inner > * {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp .45s ease forwards;
}
.hero-inner > *:nth-child(1) { animation-delay: .06s; }
.hero-inner > *:nth-child(2) { animation-delay: .16s; }
.hero-inner > *:nth-child(3) { animation-delay: .26s; }
.hero-inner > *:nth-child(4) { animation-delay: .36s; }

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

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .45s ease, transform .45s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger grid items as their section reveals */
.reveal .card,
.reveal .testimonial-card,
.reveal .stat {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .32s ease, transform .32s ease;
}
.reveal.is-visible .card,
.reveal.is-visible .testimonial-card,
.reveal.is-visible .stat {
  opacity: 1;
  transform: translateY(0);
}
.reveal.is-visible .card:nth-child(1),
.reveal.is-visible .testimonial-card:nth-child(1),
.reveal.is-visible .stat:nth-child(1) { transition-delay: .05s; }
.reveal.is-visible .card:nth-child(2),
.reveal.is-visible .testimonial-card:nth-child(2),
.reveal.is-visible .stat:nth-child(2) { transition-delay: .1s; }
.reveal.is-visible .card:nth-child(3),
.reveal.is-visible .testimonial-card:nth-child(3),
.reveal.is-visible .stat:nth-child(3) { transition-delay: .15s; }
.reveal.is-visible .card:nth-child(4),
.reveal.is-visible .testimonial-card:nth-child(4) { transition-delay: .2s; }
.reveal.is-visible .card:nth-child(5) { transition-delay: .25s; }
.reveal.is-visible .card:nth-child(6) { transition-delay: .3s; }
.reveal.is-visible .card:nth-child(7) { transition-delay: .35s; }
.reveal.is-visible .card:nth-child(8) { transition-delay: .4s; }

@media (prefers-reduced-motion: reduce) {
  .header .logo,
  .header .nav a,
  .header .header-cta,
  .hero-inner > * {
    animation: none;
    opacity: 1;
    transform: none;
  }
  .reveal,
  .reveal .card,
  .reveal .testimonial-card,
  .reveal .stat {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Responsive */
@media (max-width: 860px) {
  .about-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 18px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform .2s ease, opacity .2s ease;
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-toggle { display: flex; }
  .header-cta { display: none; }
  .nav-cta-mobile { display: block; color: var(--amber); font-weight: 700; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}