/* ============================================================
   Avior Levant — Design System
   Palette sampled from brand mark (steel/navy/chrome)
   ============================================================ */

:root {
  --navy-900: #0b1420;
  --navy-800: #101c2c;
  --navy-700: #16233a;
  --navy-600: #1e2e47;
  --navy-500: #2a3e5c;
  --navy-400: #3a5378;

  --steel-100: #f4f6f9;
  --steel-200: #dde3ea;
  --steel-300: #c2ccd8;
  --steel-400: #98a5b5;
  --steel-500: #7d8a9c;

  --accent: #4fa6da;
  --accent-dim: #3a7ea8;
  --accent-soft: rgba(79, 166, 218, 0.14);

  --ok: #4fd68c;
  --error: #e5675f;

  --radius: 10px;
  --radius-lg: 18px;
  --shadow-lg: 0 20px 60px rgba(4, 9, 18, 0.45);
  --shadow-sm: 0 4px 16px rgba(4, 9, 18, 0.3);

  --font-head: "Rajdhani", "Segoe UI", Arial, sans-serif;
  --font-body: "Inter", "Segoe UI", Arial, sans-serif;

  --container: 1180px;
}

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

body {
  margin: 0;
  background: var(--navy-800);
  color: var(--steel-200);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--steel-100);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.15;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.2rem, 4.5vw, 3.6rem); text-transform: uppercase; letter-spacing: 0.02em; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); text-transform: uppercase; letter-spacing: 0.02em; }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; color: var(--steel-300); }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--steel-100); }
img { max-width: 100%; display: block; }
ul { padding-left: 1.2em; color: var(--steel-300); }

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

section { padding: 88px 0; }
section.tight { padding: 56px 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
}

.lede {
  font-size: 1.15rem;
  color: var(--steel-300);
  max-width: 620px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: var(--navy-900); }
.btn-primary:hover { background: #6cb8e4; color: var(--navy-900); }
.btn-outline { border-color: var(--steel-500); color: var(--steel-100); background: transparent; }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-row { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 32px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 20, 32, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-head);
  color: var(--steel-100);
}
.brand img { height: 40px; width: auto; border-radius: 4px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: 1.15rem; letter-spacing: 0.04em; }
.brand-text span { font-size: 0.62rem; letter-spacing: 0.18em; color: var(--steel-400); text-transform: uppercase; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  color: var(--steel-300);
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 10px 14px;
  border-radius: 6px;
  transition: background 0.15s ease, color 0.15s ease;
}
.nav-links a:hover { color: var(--steel-100); background: rgba(255, 255, 255, 0.05); }
.nav-links a.active:not(.btn) { color: var(--accent); }
.nav-links .btn { margin-left: 8px; padding: 10px 20px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--steel-100); display: block; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 130px 0 100px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(11,16,26,0.55) 0%, rgba(11,16,26,0.88) 65%, var(--navy-800) 100%),
    linear-gradient(120deg, rgba(15,24,38,0.9), rgba(22,35,58,0.75)),
    url("../img/hero-office.jpg") center 30% / cover no-repeat;
}
.hero-inner { max-width: 700px; }
.hero .lede { font-size: 1.2rem; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: 40px;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
  max-width: 760px;
}
.hero-stats .stat b {
  display: block;
  font-family: var(--font-head);
  font-size: 1.9rem;
  color: var(--steel-100);
}
.hero-stats .stat span {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel-400);
}

/* generic page header (non-home) */
.page-header {
  padding: 70px 0 50px;
  background: linear-gradient(180deg, var(--navy-700), var(--navy-800));
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.page-header .lede { margin-top: 10px; }

/* ---------- Cards / Grids ---------- */
.grid {
  display: grid;
  gap: 24px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: linear-gradient(160deg, var(--navy-700), var(--navy-600));
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent-dim); }
.card .icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft);
  border-radius: 10px;
  margin-bottom: 20px;
  color: var(--accent);
}
.card .icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: 10px; }
.card p:last-child { margin-bottom: 0; }
.card ul { margin: 0; padding-left: 1.1em; }
.card li { margin-bottom: 6px; font-size: 0.95rem; }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}
.section-head .lede { margin: 0; }

.bg-alt { background: var(--navy-700); }
.bg-deep { background: var(--navy-900); }

/* ---------- Value pillars (home) ---------- */
.pillars { counter-reset: pillar; }
.pillar {
  position: relative;
  padding-left: 62px;
}
.pillar::before {
  counter-increment: pillar;
  content: "0" counter(pillar);
  position: absolute;
  left: 0; top: -4px;
  font-family: var(--font-head);
  font-size: 1.6rem;
  color: var(--accent);
  opacity: 0.85;
}

/* ---------- Process steps ---------- */
.process {
  display: grid;
  gap: 0;
  border-left: 2px solid var(--navy-500);
  margin-left: 12px;
}
.process-step {
  position: relative;
  padding: 0 0 48px 40px;
}
.process-step:last-child { padding-bottom: 4px; }
.process-step::before {
  content: "";
  position: absolute;
  left: -9px; top: 2px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--navy-800);
  border: 3px solid var(--accent);
}
.process-step .step-tag {
  font-family: var(--font-head);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
  display: block;
}

/* ---------- Table (services matrix) ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,0.08); }
table { width: 100%; border-collapse: collapse; min-width: 640px; background: var(--navy-700); }
th, td { text-align: left; padding: 16px 20px; border-bottom: 1px solid rgba(255,255,255,0.06); font-size: 0.95rem; }
th { font-family: var(--font-head); text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.82rem; color: var(--steel-400); background: var(--navy-600); }
tr:last-child td { border-bottom: none; }
td:first-child { color: var(--steel-100); font-weight: 600; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--navy-600), var(--navy-700));
  border-radius: var(--radius-lg);
  padding: 56px;
  text-align: center;
  border: 1px solid rgba(79,166,218,0.25);
}
.cta-band h2 { margin-bottom: 12px; }
.cta-band .lede { margin: 0 auto 8px; text-align: center; }
.cta-band .btn-row { justify-content: center; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}
.info-list { list-style: none; padding: 0; margin: 24px 0 0; }
.info-list li {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: var(--steel-200);
}
.info-list li:first-child { border-top: none; }
.info-list .icon {
  width: 36px; height: 36px; flex: none;
  border-radius: 8px; background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
}
.info-list .icon svg { width: 18px; height: 18px; }
.info-list strong { display: block; color: var(--steel-100); font-size: 0.85rem; letter-spacing: 0.04em; text-transform: uppercase; font-family: var(--font-head); }

form.contact-form { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
label { display: block; font-family: var(--font-head); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--steel-400); margin-bottom: 8px; }
input, select, textarea {
  width: 100%;
  background: var(--navy-800);
  border: 1px solid var(--navy-500);
  border-radius: 6px;
  padding: 12px 14px;
  color: var(--steel-100);
  font-family: var(--font-body);
  font-size: 0.95rem;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 0.85rem; color: var(--steel-500); }
#formStatus { font-size: 0.9rem; margin-top: 6px; }
#formStatus.ok { color: var(--ok); }
#formStatus.error { color: var(--error); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-900);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 32px;
  padding-bottom: 40px;
}
.footer-grid h4 {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-400);
  margin-bottom: 16px;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: var(--steel-300); font-size: 0.92rem; }
.footer-brand p { max-width: 320px; font-size: 0.92rem; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 0.82rem; color: var(--steel-500); flex-wrap: wrap; gap: 12px;
}
.footer-bottom a { color: var(--steel-500); }
.footer-bottom a:hover { color: var(--accent); }
.socials { display: flex; gap: 10px; }
.socials a {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--navy-500);
  display: flex; align-items: center; justify-content: center;
  color: var(--steel-300);
}
.socials a:hover { border-color: var(--accent); color: var(--accent); }
.socials svg { width: 16px; height: 16px; }

/* ---------- Misc ---------- */
.badge-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }
.badge {
  font-family: var(--font-head);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel-300);
  border: 1px solid var(--navy-500);
  border-radius: 30px;
  padding: 8px 16px;
}
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { grid-template-columns: repeat(2, auto); }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 78px; left: 0; right: 0;
    background: var(--navy-800);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px; }
  .nav-links .btn { margin: 8px 0 0; text-align: center; justify-content: center; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
  .hero { padding: 110px 0 70px; }
  .cta-band { padding: 36px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}