:root {
  --navy: #071018;
  --navy-2: #0c1824;
  --steel: #132233;
  --steel-2: #1b3348;
  --line: rgba(180, 210, 230, 0.14);
  --muted: #8ea3b5;
  --text: #e8eef4;
  --paper: #f3efe6;
  --paper-2: #e7e1d4;
  --ink: #0d1620;
  --accent: #2ec4d6;
  --accent-2: #1aa3b3;
  --amber: #e0a14a;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --radius: 18px;
  --max: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  background: var(--navy);
  color: var(--text);
  line-height: 1.6;
  font-size: 16.5px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }

.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.eyebrow {
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
}
h1, h2, h3, .display {
  font-family: "Barlow Condensed", "IBM Plex Sans", sans-serif;
  font-weight: 650;
  letter-spacing: -0.01em;
  line-height: 1.05;
}
h1 { font-size: clamp(42px, 6.4vw, 78px); }
h2 { font-size: clamp(32px, 4.2vw, 52px); color: var(--white); }
h3 { font-size: 24px; color: var(--white); }
.lede { font-size: 18.5px; color: var(--muted); max-width: 640px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: 0.2s ease;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #042028; }
.btn-primary:hover { background: #54d6e4; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.22); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-dark { background: var(--ink); color: var(--white); }
.btn-dark:hover { background: #172433; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(7, 16, 24, 0.82);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
}
.logo img {
  display: block;
  height: 48px;
  width: auto;
}
footer .logo img {
  height: 56px;
}
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { color: #c9d6e0; font-size: 14.5px; font-weight: 500; }
.nav a:hover, .nav a.active { color: var(--white); }
.header-cta { display: flex; gap: 10px; align-items: center; }
.phone { color: var(--muted); font-size: 13.5px; }
.menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--white);
  padding: 8px 10px;
  border-radius: 8px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.05) saturate(0.85);
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7,16,24,0.35) 0%, rgba(7,16,24,0.55) 42%, rgba(7,16,24,0.94) 100%),
    linear-gradient(90deg, rgba(7,16,24,0.62) 0%, rgba(7,16,24,0.18) 55%);
}
.hero-content {
  position: relative;
  padding: 120px 0 72px;
}
.hero-content .eyebrow { margin-bottom: 16px; }
.hero-content h1 { max-width: 14ch; margin-bottom: 18px; }
.hero-actions { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.hero-meta {
  display: flex;
  gap: 28px;
  margin-top: 48px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13.5px;
}
.hero-meta strong { display: block; color: var(--white); font-size: 22px; font-family: "Barlow Condensed", sans-serif; }

/* Stats */
.stats {
  background: var(--navy-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 28px 0;
}
.stat { padding: 8px 16px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat b {
  display: block;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 32px;
  color: var(--white);
}
.stat span { color: var(--muted); font-size: 13.5px; }

/* Sections */
section { padding: 88px 0; }
.section-head { max-width: 680px; margin-bottom: 42px; }
.section-head p { margin-top: 14px; color: var(--muted); }

.grid-3, .grid-2, .grid-4 {
  display: grid;
  gap: 20px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--steel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.card img { height: 210px; width: 100%; object-fit: cover; }
.card-body { padding: 24px; }
.card-body h3 { margin: 8px 0 10px; }
.card-body p { color: var(--muted); font-size: 15px; }
.tag {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}

.feature {
  padding: 26px;
  background: linear-gradient(180deg, #132536, #101e2c);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.feature .num {
  font-family: "Barlow Condensed", sans-serif;
  color: var(--accent);
  font-size: 28px;
}
.feature h3 { margin: 8px 0 8px; font-size: 22px; }
.feature p { color: var(--muted); }

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.split img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.split ul { margin-top: 18px; color: var(--muted); padding-left: 18px; }
.split li { margin: 8px 0; }

.light {
  background: var(--paper);
  color: var(--ink);
}
.light h2, .light h3 { color: var(--ink); }
.light p, .light li { color: #3d4a56; }
.light .eyebrow { color: #8a5a16; }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
}
table { width: 100%; border-collapse: collapse; min-width: 720px; }
th, td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); font-size: 14.5px; }
th { color: var(--muted); font-weight: 600; background: #0f1c29; }
td { color: var(--text); }

.oem-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.oem {
  border: 1px solid var(--line);
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project {
  position: relative;
  min-height: 280px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}
.project img { width: 100%; height: 100%; object-fit: cover; min-height: 280px; }
.project figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.78));
}
.project h3 { font-size: 22px; }

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--white);
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq p { margin-top: 10px; color: var(--muted); }

.cta-band {
  background:
    linear-gradient(120deg, rgba(7,16,24,0.72), rgba(7,16,24,0.55)),
    url("../images/campus-render.jpg") center/cover no-repeat;
  border-top: 1px solid var(--line);
}
.cta-band .container { display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; }

form {
  display: grid;
  gap: 14px;
}
label { font-size: 13px; color: var(--muted); }
input, select, textarea {
  width: 100%;
  background: #0b1722;
  border: 1px solid var(--line);
  color: var(--white);
  padding: 13px 14px;
  border-radius: 10px;
}
textarea { min-height: 130px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-note { font-size: 13px; color: var(--muted); }
.success {
  display: none;
  padding: 16px;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 12px;
}
.form-error {
  margin-top: 12px;
  padding: 16px;
  border: 1px solid #c45b5b;
  color: #f0b4b4;
  border-radius: 12px;
}

footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 28px;
  color: var(--muted);
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 28px;
  margin-bottom: 32px;
}
footer a:hover { color: var(--white); }
.legal { border-top: 1px solid var(--line); padding-top: 16px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

.page-hero {
  padding: 88px 0 40px;
  background:
    radial-gradient(800px 280px at 10% 0%, rgba(46,196,214,0.12), transparent),
    var(--navy);
  border-bottom: 1px solid var(--line);
}

@media (max-width: 980px) {
  .nav, .phone { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px; left: 0; right: 0;
    background: #0b1722;
    padding: 18px 24px 24px;
    border-bottom: 1px solid var(--line);
  }
  .menu-btn { display: block; }
  .stats-grid, .grid-3, .grid-4, .split, .footer-grid, .form-row { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); padding: 16px 0; }
  .hero { min-height: 80vh; }
}