/* ── Reset ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Tokens ─────────────────────────────────────────── */
:root {
  --bg:           #0A0A0A;
  --surface:      #111111;
  --border:       #1e1e1e;
  --primary:      #0f4a58;
  --mid:          #1a6b7c;
  --accent:       #4aabb8;
  --accent-hover: #5fc0ce;
  --white:        #ffffff;
  --text:         #e0e0e0;
  --text-mid:     #a0a0a0;
  --text-dim:     #606060;
  --radius:       6px;
  --max:          1100px;
  --nav-h:        68px;
}

/* ── Base ─────────────────────────────────────────── */
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ─────────────────────────────────────────── */
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }

/* ── Nav ─────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  display: flex;
  align-items: center;
}
.nav-inner {
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo img { height: 52px; width: auto; background: #fff; border-radius: 4px; padding: 4px 8px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-mid);
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--white); }
.nav-phone {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.01em;
  transition: color 0.2s;
}
.nav-phone:hover { color: var(--accent-hover); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: #111;
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  z-index: 99;
  flex-direction: column;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.mobile-nav a:last-child { border-bottom: none; color: var(--accent); font-weight: 700; }
.mobile-nav a:hover { color: var(--accent); }

/* ── Hero ─────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 80px) 24px 80px;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 60% 40%, rgba(15,74,88,0.28) 0%, transparent 65%),
    radial-gradient(ellipse 50% 70% at 10% 80%, rgba(26,107,124,0.1) 0%, transparent 60%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  left: 0; top: 30%; bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  opacity: 0.5;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
}
.hero-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.06;
  color: var(--white);
  letter-spacing: -0.025em;
  margin-bottom: 28px;
  max-width: 860px;
}
.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text-mid);
  max-width: 500px;
  line-height: 1.8;
  margin-bottom: 48px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  font-size: 1rem;
  padding: 16px 32px;
  border-radius: var(--radius);
  letter-spacing: 0.01em;
  transition: background 0.2s, transform 0.15s;
  border: none;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

/* ── Value props ─────────────────────────────────────────── */
.values {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 72px 0;
  background: var(--surface);
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.value-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.value-item h3::before {
  content: '';
  display: block;
  width: 3px;
  height: 20px;
  background: var(--accent);
  border-radius: 2px;
  flex-shrink: 0;
}
.value-item p {
  font-size: 0.92rem;
  color: var(--text-mid);
  line-height: 1.75;
  padding-left: 13px;
}

/* ── Reviews ─────────────────────────────────────────── */
.reviews-section { padding: 96px 0; background: var(--bg); border-bottom: 1px solid var(--border); }
.reviews-header { margin-bottom: 52px; }
.reviews-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.12;
  letter-spacing: -0.02em;
}
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: #161616;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.review-stars { color: var(--accent); font-size: 1rem; letter-spacing: 2px; }
.review-text {
  font-size: 0.97rem;
  color: var(--text-mid);
  line-height: 1.8;
  flex: 1;
}
.review-author { display: flex; flex-direction: column; gap: 3px; padding-top: 8px; border-top: 1px solid var(--border); }
.review-name { font-size: 0.9rem; font-weight: 700; color: var(--white); }
.review-title { font-size: 0.78rem; color: var(--text-dim); }

/* ── Quote section ─────────────────────────────────────────── */
.quote-section { padding: 96px 0; }
.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.quote-header { margin-bottom: 56px; }
.quote-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.12;
  letter-spacing: -0.02em;
}
.quote-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 72px;
  align-items: start;
}
.quote-info h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
}
.quote-info p {
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 32px;
}
.contact-line {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-mid);
  margin-bottom: 14px;
}
.contact-line .icon { font-size: 1rem; }
.contact-line a { color: var(--accent); transition: color 0.2s; }
.contact-line a:hover { color: var(--accent-hover); }

/* ── Form ─────────────────────────────────────────── */
.form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.form-group input,
.form-group textarea,
.form-group select {
  background: #161616;
  border: 1px solid #2a2a2a;
  border-radius: var(--radius);
  color: var(--white);
  font-size: 0.95rem;
  padding: 13px 16px;
  font-family: inherit;
  transition: border-color 0.2s;
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-group select { appearance: none; cursor: pointer; }

/* ── Page hero (About / Contact) ─────────────────────────────── */
.page-hero {
  padding: calc(var(--nav-h) + 80px) 24px 64px;
  max-width: var(--max);
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  max-width: 680px;
}
.page-hero p {
  font-size: 1.05rem;
  color: var(--text-mid);
  max-width: 500px;
  line-height: 1.8;
}

/* ── About body ─────────────────────────────────────────── */
.about-body {
  max-width: 680px;
  margin: 0 auto;
  padding: 72px 24px 96px;
}
.about-divider {
  width: 36px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 40px;
}
.about-body p {
  font-size: 1.05rem;
  color: var(--text-mid);
  line-height: 1.9;
  margin-bottom: 28px;
}
.about-body p:last-of-type { margin-bottom: 44px; }
.about-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  font-size: 1rem;
  padding: 15px 28px;
  border-radius: var(--radius);
  transition: background 0.2s, transform 0.15s;
}
.about-cta:hover { background: var(--accent-hover); transform: translateY(-2px); }

/* ── Contact layout ─────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 72px;
  align-items: start;
  max-width: var(--max);
  margin: 0 auto;
  padding: 72px 24px 96px;
}
.contact-info h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.contact-info > p {
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 36px;
}
.contact-details { display: flex; flex-direction: column; gap: 22px; }
.contact-detail-item { display: flex; flex-direction: column; gap: 4px; }
.contact-detail-item .detail-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.contact-detail-item .detail-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
}
.contact-detail-item .detail-value a { color: var(--white); transition: color 0.2s; }
.contact-detail-item .detail-value a:hover { color: var(--accent); }

/* ── Footer ─────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-copy { font-size: 0.82rem; color: var(--text-dim); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 0.82rem; color: var(--text-dim); transition: color 0.2s; }
.footer-legal a:hover { color: var(--accent); }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 820px) {
  .nav-links, .nav-phone { display: none; }
  .hamburger { display: flex; }
  .values-grid { grid-template-columns: 1fr; gap: 32px; }
  .reviews-grid { grid-template-columns: 1fr; }
  .quote-grid { grid-template-columns: 1fr; gap: 48px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; gap: 48px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .section { padding: 64px 0; }
  .hero { padding-top: calc(var(--nav-h) + 48px); min-height: auto; padding-bottom: 64px; }
  .page-hero { padding-top: calc(var(--nav-h) + 48px); }
}