/* ===== SKYAV Partner — Static Site Stylesheet ===== */

:root {
  --gold: #C6A24B;
  --gold-soft: #d8bd76;
  --ink: #15191c;
  --ink-2: #1d2429;
  --charcoal: #0f1316;
  --paper: #ffffff;
  --mist: #f5f6f4;
  --line: #e4e6e2;
  --muted: #5e6873;
  --text: #272d33;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--paper);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 600;
  line-height: 1.12;
  color: var(--ink);
  letter-spacing: .01em;
}

.serif { font-family: 'Cormorant Garamond', Georgia, serif; }
a { color: inherit; text-decoration: none; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 28px; overflow-wrap: break-word; }
.gold { color: var(--gold); }

.eyebrow {
  font-size: 12px;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 18px;
  display: block;
}

/* ===== Header ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: background .35s ease, box-shadow .35s ease, padding .35s ease;
  padding: 22px 0;
}

header.scrolled {
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 1px 24px rgba(0, 0, 0, .07);
  padding: 14px 0;
  backdrop-filter: saturate(160%) blur(6px);
}

.nav { display: flex; align-items: center; justify-content: space-between; }

.logo { color: #fff; display: flex; align-items: center; transition: color .35s; }
header.scrolled .logo { color: var(--ink); }

.logo-img { height: 52px; width: auto; display: block; transition: height .35s; }
header.scrolled .logo-img { height: 44px; }

.logo-on-light { display: none; }
header.scrolled .logo-on-dark { display: none; }
header.scrolled .logo-on-light { display: block; }

.menu { display: flex; gap: 34px; align-items: center; }

.menu a {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .9);
  position: relative;
  padding-bottom: 4px;
  transition: color .3s;
}

header.scrolled .menu a { color: var(--text); }

.menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background: var(--gold);
  transition: width .3s;
}

.menu a:hover::after { width: 100%; }
.menu a:hover { color: var(--gold); }

.menu .cta {
  background: var(--gold);
  color: #fff;
  padding: 11px 22px;
  border-radius: 2px;
  letter-spacing: .06em;
}

.menu .cta::after { display: none; }
.menu .cta:hover { background: var(--gold-soft); color: #fff; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: 0;
  padding: 6px;
}

.burger span { width: 26px; height: 2px; background: #fff; transition: .3s; }
header.scrolled .burger span { background: var(--ink); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--charcoal);
  background-image:
    linear-gradient(180deg, rgba(15, 19, 22, .72) 0%, rgba(15, 19, 22, .55) 45%, rgba(15, 19, 22, .85) 100%),
    url('../images/hero-jet.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #fff;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 90px;
  background: #fff;
  clip-path: polygon(0 100%, 100% 100%, 100% 0);
}

.hero-inner { position: relative; z-index: 2; max-width: 760px; padding: 120px 0 90px; }
.hero h1 { font-size: clamp(42px, 6.4vw, 82px); color: #fff; margin-bottom: 24px; }
.hero h1 em { font-style: italic; color: var(--gold); font-weight: 600; }
.hero p { font-size: 18px; font-weight: 300; color: rgba(255, 255, 255, .88); max-width: 600px; margin-bottom: 38px; }

.btn {
  display: inline-block;
  background: var(--gold);
  color: #fff;
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 16px 34px;
  border-radius: 2px;
  transition: .3s;
  border: 1px solid var(--gold);
}

.btn:hover { background: transparent; color: var(--gold); }
.btn.ghost { background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, .5); margin-left: 14px; }
.btn.ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn.dark { background: var(--ink); border-color: var(--ink); }
.btn.dark:hover { background: transparent; color: var(--ink); }

/* ===== Sections ===== */
section { padding: 104px 0; }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 64px; }
.section-head h2 { font-size: clamp(34px, 4.4vw, 52px); margin-bottom: 20px; }
.section-head .rule { width: 64px; height: 3px; background: var(--gold); margin: 0 auto 22px; }
.section-head p { color: var(--muted); font-size: 16.5px; font-weight: 300; }

.lead { font-size: 19px; font-weight: 300; color: #3a4148; }

/* ===== Services ===== */
.services { background: var(--mist); }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 42px 38px;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--gold);
  transition: height .4s ease;
}

.card:hover { transform: translateY(-6px); box-shadow: 0 24px 50px rgba(20, 25, 30, .10); border-color: transparent; }
.card:hover::before { height: 100%; }

.card .num { font-family: 'Cormorant Garamond', serif; font-size: 15px; color: var(--gold); letter-spacing: .2em; font-weight: 600; }
.card h3 { font-size: 28px; margin: 8px 0 16px; }
.card p { color: var(--muted); font-size: 15px; margin-bottom: 22px; }

.card .more {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.card .more .arrow { color: var(--gold); transition: transform .3s; }
.card:hover .more .arrow { transform: translateX(6px); }

/* ===== About ===== */
.about {
  position: relative;
  color: #fff;
  background-color: var(--ink);
  background-image:
    linear-gradient(180deg, rgba(15, 19, 22, .86), rgba(15, 19, 22, .92)),
    url('../images/about-bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
}

.about .frame { border: 1px solid rgba(198, 162, 75, .35); padding: 64px 56px; border-radius: 4px; }
.about h2 { color: #fff; font-size: clamp(32px, 4.2vw, 48px); margin-bottom: 8px; }
.about .rule { width: 64px; height: 3px; background: var(--gold); margin: 18px 0 30px; }
.about .lead { color: var(--gold-soft); font-size: 21px; font-style: italic; font-family: 'Cormorant Garamond', serif; margin-bottom: 26px; }
.about p { color: rgba(255, 255, 255, .84); font-weight: 300; font-size: 16px; max-width: 880px; margin-bottom: 18px; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 50px; }
.stat { border-top: 1px solid rgba(198, 162, 75, .4); padding-top: 20px; }
.stat .n { font-family: 'Cormorant Garamond', serif; font-size: 44px; color: var(--gold); line-height: 1; }
.stat .l { font-size: 12.5px; letter-spacing: .14em; text-transform: uppercase; color: rgba(255, 255, 255, .7); margin-top: 8px; }

/* ===== Values ===== */
.values .grid { grid-template-columns: repeat(4, 1fr); gap: 24px; }

.value { padding: 34px 26px; border: 1px solid var(--line); border-radius: 4px; transition: .35s; background: #fff; }
.value:hover { background: var(--ink); border-color: var(--ink); }
.value:hover h4, .value:hover p, .value:hover .vn { color: #fff; }
.value:hover p { color: rgba(255, 255, 255, .75); }

.vn { font-family: 'Cormorant Garamond', serif; font-size: 34px; color: var(--gold); line-height: 1; margin-bottom: 14px; }
.value h4 { font-size: 23px; margin-bottom: 12px; }
.value p { color: var(--muted); font-size: 14.5px; }

/* ===== Contact ===== */
.contact { background: var(--mist); }

.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: start; }
.contact h2 { font-size: clamp(32px, 4.2vw, 48px); margin-bottom: 18px; }
.contact .rule { width: 64px; height: 3px; background: var(--gold); margin-bottom: 26px; }
.contact .info p { margin-bottom: 6px; color: var(--text); }
.contact .info .label { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); font-weight: 600; margin-top: 26px; margin-bottom: 6px; }
.contact .info a:hover { color: var(--gold); }

form { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 40px 36px; }

.field { margin-bottom: 20px; }
.field label { display: block; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; font-weight: 600; color: var(--muted); margin-bottom: 8px; }

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 13px 15px;
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
  background: #fcfcfb;
  transition: border-color .25s, box-shadow .25s;
}

.field input:focus,
.field textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(198, 162, 75, .14); }
.field textarea { resize: vertical; min-height: 120px; }

form .btn { width: 100%; text-align: center; cursor: pointer; }
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 14px; text-align: center; }

/* ===== Footer ===== */
footer { background: var(--charcoal); color: rgba(255, 255, 255, .62); padding: 54px 0 30px; }

.foot-top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; padding-bottom: 30px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.foot-logo { font-family: 'Montserrat'; font-weight: 700; font-size: 24px; letter-spacing: .06em; color: #fff; display: flex; align-items: center; }
.foot-logo .tri { display: inline-block; width: 0; height: 0; margin: 0 1px; border-left: 8px solid transparent; border-right: 8px solid transparent; border-bottom: 15px solid var(--gold); transform: translateY(-1px); }

.foot-menu { display: flex; gap: 26px; flex-wrap: wrap; }
.foot-menu a { font-size: 13px; letter-spacing: .04em; }
.foot-menu a:hover { color: var(--gold); }

.foot-bottom { padding-top: 24px; font-size: 12.5px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ===== Responsive ===== */
@media (max-width: 920px) {
  .menu {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 74%;
    max-width: 320px;
    background: var(--ink);
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    transform: translateX(100%);
    transition: transform .4s ease;
    z-index: 60;
  }

  .menu.open { transform: translateX(0); }
  .menu a { color: #fff; font-size: 16px; }
  header.scrolled .menu a { color: #fff; }
  .burger { display: flex; z-index: 61; }
  .grid { grid-template-columns: 1fr; }
  .values .grid { grid-template-columns: repeat(2, 1fr); }
  .about .frame { padding: 40px 26px; }
  .contact-grid { grid-template-columns: 1fr; gap: 38px; }
  .stats { gap: 18px; }
  .hero h1 { font-size: clamp(34px, 7vw, 52px); }
  .hero-inner { max-width: 100%; }
}

@media (max-width: 540px) {
  html, body { overflow-x: hidden; }
  .wrap { padding: 0 24px; }
  .values .grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; gap: 20px; }
  .btn { display: block; text-align: center; padding: 14px 20px; font-size: 12.5px; width: 100%; }
  .btn.ghost { margin-left: 0; margin-top: 14px; }
  section { padding: 74px 0; }
  .hero-inner { padding: 100px 0 70px; max-width: 100%; }
  .hero h1 { font-size: clamp(28px, 7.5vw, 38px); word-wrap: break-word; }
  .hero p { font-size: 14.5px; max-width: 100%; }
  .eyebrow { font-size: 10.5px; letter-spacing: .2em; }
  .section-head h2 { font-size: clamp(24px, 6vw, 32px); }
  .card { padding: 28px 22px; }
  .card h3 { font-size: 22px; }
  .about .frame { padding: 28px 20px; }
  .about h2 { font-size: 26px; }
  .about .lead { font-size: 18px; }
  .about p { font-size: 14.5px; }
  .stat .n { font-size: 32px; }
  .value { padding: 26px 20px; }
  .value h4 { font-size: 20px; }
  .contact h2 { font-size: 26px; }
  .contact-grid { gap: 30px; }
  form { padding: 28px 20px; }
  .foot-top { flex-direction: column; text-align: center; }
  .foot-menu { justify-content: center; }
  .foot-bottom { flex-direction: column; text-align: center; }
}