:root {
  --primary: #10b99a;
  --primary-dark: #0a7d8c;
  --ink: #0b1f2a;
  --ink-soft: #435a66;
  --bg: #ffffff;
  --bg-soft: #f3f8f7;
  --line: #dce7e4;
  --shadow: 0 20px 45px -22px rgba(8, 50, 60, 0.35);
  --radius: 18px;
  --max: 1160px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 22px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -0.02em; font-size: 1.15rem; }
.brand-logo { border-radius: 9px; }
.main-nav { display: flex; align-items: center; gap: 26px; }
.main-nav a { font-weight: 600; font-size: 0.92rem; color: var(--ink-soft); transition: color .2s; }
.main-nav a:hover { color: var(--primary-dark); }
.nav-cta {
  padding: 9px 16px; border-radius: 999px; color: #fff !important;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 8px 20px -8px rgba(16,185,154,.5);
}
.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer; width: 30px; height: 22px;
  position: relative; z-index: 61;
}
.nav-toggle span { display: block; width: 100%; height: 3px; background: var(--ink); border-radius: 3px; margin: 4px 0; transition: .3s; }
.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); }

/* Hero */
.hero { position: relative; color: #fff; padding: 120px 0 110px; overflow: hidden; }
.hero-media {
  position: absolute; inset: 0; z-index: -2; background-size: cover; background-position: center;
  background-color: #0a2030;
}
.hero-overlay { position: absolute; inset: 0; z-index: -1; background: linear-gradient(100deg, rgba(4,26,38,.94) 15%, rgba(4,26,38,.55) 60%, rgba(16,185,154,.25)); }
.hero-content { max-width: 640px; }
.eyebrow {
  display: inline-block; font-weight: 700; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--primary-dark); margin-bottom: 16px;
}
.hero .eyebrow { color: #7fe6d2; }
.eyebrow.center { display: block; text-align: center; }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.12; letter-spacing: -0.02em; margin-bottom: 18px; font-weight: 800; }
.hero h1 .accent { color: #4fe3c6; }
.hero-sub { font-size: 1.12rem; color: #d8e7e7; margin-bottom: 30px; max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: 999px; font-weight: 700; font-size: .98rem;
  transition: transform .15s, box-shadow .2s, background .2s; border: 0; cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); box-shadow: 0 12px 26px -10px rgba(10,125,140,.55); }
.btn-ghost { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.35); backdrop-filter: blur(6px); }
.btn-block { width: 100%; }
.hero-stats { display: flex; gap: 42px; flex-wrap: wrap; }
.stat strong { display: block; font-size: 1.6rem; font-weight: 800; color: #fff; }
.stat span { font-size: .85rem; color: #b7d2d0; }

/* Sections general */
section { padding: 92px 0; }
.services { background: var(--bg); }
.video-section { background: var(--bg-soft); }
.offices { background: var(--bg); }
.contact { background: linear-gradient(180deg, var(--bg-soft), #eaf5f2); }
section h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); letter-spacing: -0.02em; font-weight: 800; margin-bottom: 14px; }
.services h2, .offices h2, .video-section h2, .contact h2 { text-align: center; }
.section-sub { text-align: center; color: var(--ink-soft); max-width: 620px; margin: 0 auto 46px; }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(255px, 1fr)); gap: 22px; }
.service-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px; transition: transform .2s, box-shadow .25s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.service-ico {
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
  font-size: 26px; margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(16,185,154,.14), rgba(10,125,140,.14));
}
.service-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.service-card p { font-size: .92rem; color: var(--ink-soft); margin-bottom: 14px; }
.service-more { font-weight: 700; font-size: .88rem; color: var(--primary-dark); }

/* Video */
.video-box {
  max-width: 860px; margin: 0 auto; border-radius: var(--radius); overflow: hidden;
  background: #0a2030; box-shadow: var(--shadow);
}
.video-box video, .video-box > div { width: 100%; }
.video-box .vp-react { width: 100%; }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-media {
  aspect-ratio: 4/3; border-radius: var(--radius); background-size: cover; background-position: center;
  background-color: #0a2030; box-shadow: var(--shadow);
}
.about-desc { color: var(--ink-soft); margin-bottom: 22px; }
.about-list { list-style: none; display: grid; gap: 12px; margin-bottom: 28px; }
.about-list li { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; }
.about-list li::before { content: "✓"; color: var(--primary-dark); font-weight: 800; }
.company-data { display: flex; gap: 14px; flex-wrap: wrap; }
.data-item { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; min-width: 170px; }
.data-item span { display: block; font-size: .78rem; color: var(--ink-soft); font-weight: 600; }
.data-item strong { font-size: 1.02rem; }

/* Offices */
.offices-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.office-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; transition: box-shadow .25s, transform .2s; }
.office-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.office-card .o-city { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.05rem; margin-bottom: 8px; }
.office-card .o-city::before { content: "📍"; }
.office-card p { font-size: .9rem; color: var(--ink-soft); }
.office-card .o-phone { display: block; margin-top: 10px; font-weight: 700; color: var(--primary-dark); font-size: .92rem; }
.office-card .o-title { font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--primary-dark); font-weight: 700; margin-bottom: 6px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
.contact-grid h2 { text-align: left; }
.contact-lines { display: grid; gap: 16px; margin: 26px 0 30px; }
.c-line { display: flex; gap: 14px; align-items: flex-start; }
.c-ico {
  width: 44px; height: 44px; flex: 0 0 44px; border-radius: 12px; display: grid; place-items: center;
  background: #fff; border: 1px solid var(--line); font-size: 19px;
}
.c-line a { font-weight: 700; color: var(--primary-dark); }
.socials { display: flex; gap: 12px; flex-wrap: wrap; }
.social {
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  background: #fff; border: 1px solid var(--line); font-weight: 800; color: var(--ink);
  transition: all .2s; cursor: pointer;
}
.social:hover { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; border-color: transparent; transform: translateY(-3px); }

.contact-form {
  background: #fff; border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow);
  display: grid; gap: 16px;
}
.contact-form h3 { font-size: 1.25rem; margin-bottom: 2px; }
.contact-form label { display: grid; gap: 6px; font-size: .85rem; font-weight: 600; color: var(--ink-soft); }
.contact-form input, .contact-form select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 11px;
  font-size: .96rem; font-family: inherit; background: var(--bg-soft); transition: border .2s, box-shadow .2s;
}
.contact-form input:focus, .contact-form select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(16,185,154,.18); background: #fff; }
.form-note { font-size: .8rem; color: var(--ink-soft); text-align: center; }
.form-success { text-align: center; color: var(--primary-dark); font-weight: 700; padding: 10px; background: #e7f8f3; border-radius: 10px; }

/* Footer */
.site-footer { background: #071821; color: #b7c8cc; padding: 64px 0 0; }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; padding-bottom: 40px; }
.footer-brand .brand-name { color: #fff; font-size: 1.3rem; font-weight: 800; }
.footer-brand p { margin-top: 10px; font-size: .9rem; }
.site-footer h4 { color: #fff; font-size: .92rem; margin-bottom: 14px; }
.site-footer .footer-col a, .site-footer .footer-col p { display: block; color: #8fa5ac; font-size: .9rem; margin-bottom: 10px; }
.site-footer .footer-col a:hover { color: #4fe3c6; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12); padding: 20px 22px;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: .8rem; color: #8fa5ac;
}

/* Loader */
.load-overlay {
  position: fixed; inset: 0; z-index: 90; display: grid; place-content: center; justify-items: center; gap: 18px;
  background: linear-gradient(135deg, #062027, #0a2030); color: #d8e7e7; transition: opacity .5s; text-align: center;
}
.load-overlay.hide { opacity: 0; pointer-events: none; }
.spinner {
  width: 54px; height: 54px; border-radius: 50%;
  border: 4px solid rgba(255,255,255,.15); border-top-color: #4fe3c6;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Responsive */
@media (max-width: 860px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .hero { padding: 90px 0 80px; }
}
@media (max-width: 640px) {
  .main-nav {
    position: fixed; inset: 0; background: rgba(4,26,38,.98); backdrop-filter: blur(10px);
    flex-direction: column; justify-content: center; gap: 28px; font-size: 1.3rem;
    opacity: 0; pointer-events: none; transition: opacity .3s; z-index: 55;
  }
  .main-nav.open { opacity: 1; pointer-events: auto; }
  .main-nav a { color: #e8f3f3; }
  .main-nav a:hover { color: #4fe3c6; }
  .nav-toggle { display: block; }
  .footer-inner { grid-template-columns: 1fr; }
}