/* ================= Reset & Variables ================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #24303a;
  background: #ffffff;
  line-height: 1.6;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.2; font-weight: 700; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }

:root {
  --navy: #1c2530;
  --navy-2: #24303c;
  --orange: #cc1122;
  --orange-dark: #9c0d1a;
  --orange-light: #ff4d5e;
  --gray-100: #f5f6f7;
  --gray-300: #dfe3e6;
  --gray-600: #5b6975;
  --max-width: 1180px;
  --radius: 10px;
}

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

section { padding: 88px 0; }

.eyebrow {
  display: inline-block;
  color: var(--orange-dark);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .82rem;
  margin-bottom: 12px;
}

.section-head { max-width: 680px; margin: 0 auto 56px; text-align: center; }
.section-sub { color: var(--gray-600); font-size: 1.05rem; }

/* ================= Buttons ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 6px;
  font-weight: 700;
  font-size: .95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-dark); }
.btn-ghost { border-color: rgba(255,255,255,.6); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ================= Header ================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(28, 37, 48, .92);
  backdrop-filter: blur(6px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 84px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 800;
  letter-spacing: .03em;
  font-size: .92rem;
  flex-shrink: 0;
}
.logo-mark { color: var(--orange-light); flex-shrink: 0; }
.logo-img { height: 52px; width: 52px; border-radius: 8px; flex-shrink: 0; object-fit: cover; }
.logo-text small { display: block; font-weight: 600; letter-spacing: .12em; color: var(--gray-300); font-size: .68rem; }

.main-nav { display: flex; gap: 30px; }
.main-nav a { color: #dfe3e6; font-weight: 600; font-size: .95rem; transition: color .2s ease; }
.main-nav a:hover { color: var(--orange-light); }

.header-actions { display: flex; align-items: center; gap: 22px; }
.header-phone { display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 700; }
.header-phone svg { color: var(--orange-light); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; width: 24px; background: #fff; border-radius: 2px; }

/* ================= Hero ================= */
.hero {
  position: relative;
  color: #fff;
  padding: 150px 0 120px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(28,37,48,.94), rgba(28,37,48,.82)),
    repeating-linear-gradient(45deg, #2b3947 0 2px, transparent 2px 40px),
    linear-gradient(160deg, #1c2530, #33465a);
  z-index: -1;
}
.hero-inner { max-width: 720px; }
.hero h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); }
.hero-sub { font-size: 1.15rem; color: #cfd6db; max-width: 560px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 8px; }

/* ================= Stats ================= */
.stats { background: var(--navy); color: #fff; padding: 56px 0; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-num, .stat-suffix { font-size: 2.4rem; font-weight: 800; color: var(--orange-light); }
.stat-label { display: block; margin-top: 6px; color: var(--gray-300); font-size: .92rem; }

/* ================= About ================= */
.about-grid {
  display: grid;
  grid-template-columns: .8fr 1fr;
  gap: 64px;
  align-items: center;
}
.visual-block {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 48px -18px rgba(28,37,48,.35);
}
.check-list { margin-top: 20px; }
.check-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
  font-weight: 600;
  color: var(--navy-2);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 4px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--orange);
}
.check-list li::after {
  content: "";
  position: absolute;
  left: 5px; top: 8px;
  width: 8px; height: 4px;
  border-left: 2px solid var(--navy);
  border-bottom: 2px solid var(--navy);
  transform: rotate(-45deg);
}

/* ================= Services ================= */
.services { background: var(--gray-100); }
.markets { background: var(--gray-100); border-top: 1px solid var(--gray-300); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.services-grid--4 { grid-template-columns: repeat(4, 1fr); }
.service-card {
  background: #fff;
  padding: 32px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-300);
  transition: transform .2s ease, box-shadow .2s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 34px -20px rgba(28,37,48,.35);
}
.icon-badge {
  width: 52px; height: 52px;
  border-radius: 10px;
  background: rgba(204,17,34,.12);
  color: var(--orange-dark);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.icon-badge--dark { background: var(--navy); color: var(--orange-light); flex-shrink: 0; }

/* ================= Why Us ================= */
.why-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 56px;
}
.why-list { display: grid; gap: 26px; }
.why-item { display: flex; gap: 18px; align-items: flex-start; }
.why-item h4 { margin-bottom: 4px; }
.why-item p { color: var(--gray-600); margin: 0; }

/* ================= Projects ================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.project-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-300);
  background: #fff;
  transition: transform .2s ease, box-shadow .2s ease;
}
.project-card:hover { transform: translateY(-4px); box-shadow: 0 18px 34px -20px rgba(28,37,48,.35); }
.project-photo {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--c1, #2b3947), var(--c2, #1c2530));
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-photo span {
  color: rgba(255,255,255,.55);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  border: 1px dashed rgba(255,255,255,.35);
  padding: 6px 14px;
  border-radius: 20px;
}
.project-info { padding: 22px; }
.project-tag {
  display: inline-block;
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--orange-dark);
  margin-bottom: 8px;
}
.project-info h3 { font-size: 1.1rem; margin-bottom: 6px; }
.project-info p { color: var(--gray-600); font-size: .94rem; margin: 0; }

/* ================= Testimonial ================= */
.testimonial { background: var(--navy); color: #fff; text-align: center; }
.testimonial-inner { max-width: 720px; margin: 0 auto; }
.quote-mark { color: var(--orange-light); margin: 0 auto 20px; }
.testimonial-quote { font-size: 1.35rem; font-weight: 600; line-height: 1.5; }
.testimonial-author { color: var(--gray-300); margin: 0; }

/* ================= CTA Banner ================= */
.cta-banner { background: var(--orange); }
.cta-inner { text-align: center; max-width: 640px; margin: 0 auto; }
.cta-inner h2 { color: #fff; }
.cta-inner p { color: rgba(255,255,255,.85); margin-bottom: 28px; }
.cta-inner .btn-primary { background: var(--navy); color: #fff; }
.cta-inner .btn-primary:hover { background: #0f1620; }

/* ================= Contact ================= */
.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 64px;
}
.contact-detail {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-top: 22px;
}
.contact-detail svg { color: var(--orange-dark); margin-top: 3px; flex-shrink: 0; }
.contact-detail a:hover { color: var(--orange-dark); }

.contact-form {
  background: var(--gray-100);
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-300);
  display: grid;
  gap: 16px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label {
  display: grid;
  gap: 6px;
  font-weight: 700;
  font-size: .88rem;
  color: var(--navy-2);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  font: inherit;
  padding: 11px 13px;
  border-radius: 6px;
  border: 1px solid var(--gray-300);
  background: #fff;
  color: var(--navy-2);
  resize: vertical;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(204,17,34,.22);
}
.form-note {
  background: #fff8e8;
  border: 1px solid #f0d99a;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: .85rem;
  color: #7a5a10;
  margin: 0;
}

/* ================= Footer ================= */
.site-footer { background: var(--navy); color: var(--gray-300); padding: 48px 0 28px; }
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  padding-bottom: 28px;
}
.logo--footer { color: #fff; }
.footer-nav { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-nav a { color: var(--gray-300); font-weight: 600; font-size: .92rem; }
.footer-nav a:hover { color: var(--orange-light); }
.footer-copy { text-align: center; font-size: .82rem; margin: 20px 0 0; color: #8b98a3; }

/* ================= Scroll reveal ================= */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ================= Responsive ================= */
@media (max-width: 980px) {
  .about-grid, .why-grid, .contact-grid { grid-template-columns: 1fr; }
  .services-grid, .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
}

@media (max-width: 760px) {
  section { padding: 64px 0; }
  .main-nav, .header-phone { display: none; }
  .header-actions .btn { display: none; }
  .nav-toggle { display: flex; }

  .main-nav {
    position: absolute;
    top: 84px; left: 0; right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 12px 24px 24px;
    gap: 4px;
    display: none;
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.08); }

  .services-grid, .projects-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero { padding: 120px 0 80px; }
}