/* ===== Overflow Group — mock site styles ===== */

:root {
  --bg: #0a0e15;
  --bg-alt: #0e1420;
  --surface: #131b29;
  --surface-2: #182234;
  --border: #223049;
  --text: #e8edf5;
  --text-dim: #9fb0c6;
  --text-faint: #6d7d93;
  --blue: #2f7dfc;
  --blue-light: #5b9dff;
  --blue-dark: #1c5fd6;
  --radius: 14px;
  --container: 1180px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

a { color: inherit; text-decoration: none; }

h1, h2, h3 {
  margin: 0 0 16px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 { font-size: clamp(28px, 3.4vw, 40px); }
h3 { font-size: 19px; }

.section-lead {
  color: var(--text-dim);
  max-width: 640px;
  font-size: 17px;
  margin: 0 0 40px;
}

.accent { color: var(--blue-light); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--blue);
  color: #fff;
  padding: 10px 16px;
  z-index: 999;
}
.skip-link:focus { left: 12px; top: 12px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: #fff;
  box-shadow: 0 10px 30px -8px rgba(47, 125, 252, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost {
  border-color: var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}
.btn-ghost:hover { border-color: var(--blue-light); color: var(--blue-light); }
.btn-small { padding: 10px 18px; font-size: 14px; }
.btn-full { width: 100%; margin-top: 6px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 21, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 600;
  color: var(--text);
  flex-shrink: 0;
}
.brand-mark { width: 26px; height: 26px; color: var(--blue-light); }
.brand-text strong { color: var(--blue-light); font-weight: 700; }

.main-nav {
  display: flex;
  gap: 32px;
  margin-left: auto;
}
.main-nav a {
  color: var(--text-dim);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s ease;
}
.main-nav a:hover { color: var(--text); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}
.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  white-space: nowrap;
}
.header-phone svg { width: 17px; height: 17px; color: var(--blue-light); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  margin: 0 8px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Hero */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 11, 17, 0.75) 0%, rgba(8, 11, 17, 0.88) 55%, var(--bg) 100%),
    linear-gradient(90deg, rgba(6, 9, 15, 0.65) 0%, rgba(6, 9, 15, 0.15) 60%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: 100px 24px 120px;
}
.hero h1 {
  font-size: clamp(34px, 5.4vw, 62px);
  max-width: 780px;
  margin-bottom: 22px;
}
.hero-sub {
  max-width: 560px;
  color: var(--text-dim);
  font-size: 18px;
  margin-bottom: 34px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Trust bar */
.trust-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 26px 24px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
}
.trust-item svg { width: 24px; height: 24px; color: var(--blue-light); flex-shrink: 0; }

/* Services */
.services { padding: 100px 0; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(47, 125, 252, 0.5);
  background: var(--surface-2);
}
.service-card-featured {
  background: linear-gradient(160deg, rgba(47, 125, 252, 0.14), var(--surface));
  border-color: rgba(47, 125, 252, 0.35);
}
.service-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(47, 125, 252, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.service-icon svg { width: 24px; height: 24px; color: var(--blue-light); }
.service-card h3 { margin-bottom: 8px; }
.service-card p { color: var(--text-dim); font-size: 14.5px; margin: 0; }

/* Gallery */
.gallery { padding: 20px 0 100px; }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: 16px;
}
.gallery-item {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.gallery-item.span-2 { grid-column: span 2; }
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 600;
  background: linear-gradient(180deg, transparent, rgba(4, 6, 10, 0.9));
  color: #fff;
}

/* About */
.about { padding: 40px 0 100px; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-media img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.about-copy p { color: var(--text-dim); }
.about-points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.about-points li {
  padding-left: 28px;
  position: relative;
  font-weight: 500;
}
.about-points li::before {
  content: "";
  position: absolute;
  left: 0; top: 6px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: rgba(47, 125, 252, 0.18);
  border: 1px solid var(--blue-light);
}

/* Areas */
.areas { padding: 20px 0 100px; }
.areas-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.areas-list span {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-dim);
}

/* Contact */
.contact {
  padding: 40px 0 110px;
  border-top: 1px solid var(--border);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  padding-top: 60px;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 8px;
}
.contact-line {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 16px;
}
.contact-line svg { width: 20px; height: 20px; color: var(--blue-light); flex-shrink: 0; }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label { font-size: 13.5px; font-weight: 600; color: var(--text-dim); }
.form-row input,
.form-row select,
.form-row textarea {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  resize: vertical;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--blue-light);
}
.form-note {
  margin: 0;
  font-size: 14px;
  color: var(--blue-light);
  font-weight: 600;
}

/* Footer */
.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand p { color: var(--text-faint); margin-top: 12px; font-size: 14.5px; max-width: 280px; }
.footer-nav, .footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-nav a, .footer-contact a, .footer-contact span {
  color: var(--text-dim);
  font-size: 14.5px;
}
.footer-nav a:hover, .footer-contact a:hover { color: var(--blue-light); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  color: var(--text-faint);
  font-size: 13.5px;
}

/* Responsive */
@media (max-width: 980px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 200px; }
  .gallery-item.span-2 { grid-column: span 2; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .main-nav, .header-actions { display: none; }
  .nav-toggle { display: flex; }
  .site-header.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 18px;
  }
  .site-header.nav-open .header-actions {
    display: flex;
    position: absolute;
    top: calc(76px + 200px);
    left: 0;
    right: 0;
    background: var(--bg-alt);
    padding: 0 24px 24px;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .trust-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 220px; }
  .gallery-item.span-2 { grid-column: span 1; }
  .footer-inner { grid-template-columns: 1fr; }
}