:root {
  --bg: #0c0e11;
  --bg2: #14171c;
  --card: #191d24;
  --line: #2a3038;
  --text: #e8eaed;
  --muted: #9aa3ad;
  --accent: #e0b34c;
  --accent-dark: #c9992f;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ---------- header ---------- */
header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(12,14,17,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo {
  font-size: 20px; font-weight: 700; letter-spacing: 1px;
}
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 28px; font-size: 15px; }
.nav-links a { color: var(--muted); transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: var(--accent); color: #10131a;
  padding: 8px 18px; border-radius: 6px; font-weight: 600; font-size: 14px;
  transition: background .2s;
}
.nav-cta:hover { background: var(--accent-dark); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 520px;
  display: flex; align-items: center;
  background: url("images/hero-texture.png") center/cover no-repeat;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10,12,15,.94) 20%, rgba(10,12,15,.55) 65%, rgba(10,12,15,.25));
}
.hero-inner { position: relative; padding: 96px 0; max-width: 640px; }
.hero h1 {
  font-size: 44px; line-height: 1.2; margin-bottom: 18px; font-weight: 700;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p { color: var(--muted); font-size: 18px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 13px 28px; border-radius: 6px;
  font-weight: 600; font-size: 15px; transition: all .2s;
}
.btn-primary { background: var(--accent); color: #10131a; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { border: 1px solid var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- sections ---------- */
section { padding: 80px 0; }
.sec-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.sec-head .kicker {
  color: var(--accent); font-size: 13px; letter-spacing: 3px;
  text-transform: uppercase; font-weight: 600;
}
.sec-head h2 { font-size: 32px; margin-top: 10px; }
.sec-head p { color: var(--muted); margin-top: 12px; }

/* stats */
.stats {
  border-bottom: 1px solid var(--line);
  padding: 44px 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat b { font-size: 30px; color: var(--accent); display: block; }
.stat span { color: var(--muted); font-size: 14px; }

/* products */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.product-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  overflow: hidden; transition: transform .25s, border-color .25s;
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-4px); border-color: #3d4550; }
.product-card img { width: 100%; height: 300px; object-fit: cover; }
.product-body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.product-body h3 { font-size: 21px; margin-bottom: 10px; }
.product-body p { color: var(--muted); font-size: 15px; margin-bottom: 14px; flex: 1; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-size: 12.5px; color: var(--muted);
  border: 1px solid var(--line); border-radius: 20px; padding: 3px 12px;
}

/* why us */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.why-item {
  background: var(--bg2); border: 1px solid var(--line); border-radius: 10px;
  padding: 30px 26px;
}
.why-item .icon { font-size: 26px; margin-bottom: 14px; }
.why-item h3 { font-size: 17px; margin-bottom: 8px; }
.why-item p { color: var(--muted); font-size: 14.5px; }

/* process */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step {
  border-left: 2px solid var(--accent); padding: 4px 0 4px 18px;
}
.step b { display: block; font-size: 15px; margin-bottom: 6px; }
.step span { color: var(--muted); font-size: 14px; }

/* cta band */
.cta-band {
  background: linear-gradient(120deg, #161a21, #10131a);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  text-align: center; padding: 72px 0;
}
.cta-band h2 { font-size: 28px; margin-bottom: 12px; }
.cta-band p { color: var(--muted); margin-bottom: 28px; }

/* ---------- contact page ---------- */
.page-head {
  background: var(--bg2); border-bottom: 1px solid var(--line);
  padding: 64px 0; text-align: center;
}
.page-head h1 { font-size: 34px; margin-bottom: 10px; }
.page-head p { color: var(--muted); max-width: 560px; margin: 0 auto; }

.contact-wrap {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px;
  padding: 72px 0; align-items: start;
}
.contact-info h2 { font-size: 22px; margin-bottom: 16px; }
.contact-info p { color: var(--muted); margin-bottom: 24px; font-size: 15px; }
.info-row { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.info-row .ico { font-size: 20px; width: 30px; text-align: center; }
.info-row b { display: block; font-size: 14.5px; }
.info-row span { color: var(--muted); font-size: 14px; }

.form-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 34px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label {
  display: block; font-size: 13.5px; color: var(--muted); margin-bottom: 6px;
}
.field label i { color: var(--accent); font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--bg2); border: 1px solid var(--line);
  border-radius: 6px; color: var(--text); padding: 11px 14px;
  font-size: 15px; font-family: inherit; transition: border-color .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
}
.field textarea { min-height: 120px; resize: vertical; }
.form-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.form-note { color: var(--muted); font-size: 13px; margin-top: 14px; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); padding: 36px 0; }
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  gap: 20px; flex-wrap: wrap;
}
.footer-inner p { color: var(--muted); font-size: 14px; }
.footer-links { display: flex; gap: 22px; font-size: 14px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--text); }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .grid-2, .why-grid, .contact-wrap { grid-template-columns: 1fr; }
  .stats-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 32px; }
  .nav-links { display: none; }
  .form-row { grid-template-columns: 1fr; }
  section { padding: 56px 0; }
}