:root {
  --bg: #0b0b0b;
  --text: #f5f5f5;
  --muted: #b8b8b8;
  --accent: #ffb200; /* yellow-orange */
  --accent-strong: #ff9900;
  --surface: #141414;
  --card: #121212;
  --border: #242424;
  --maxw: 1120px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(11,11,11,0.8); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: 0.5px; }
.site-nav { display: flex; gap: 20px; align-items: center; }
.site-nav a { color: var(--text); text-decoration: none; opacity: 0.9; transition: opacity 0.2s ease; }
.site-nav a:hover { opacity: 1; }
.site-nav .cta { color: #000; background: var(--accent); padding: 10px 14px; border-radius: 8px; font-weight: 600; }
.nav-toggle { display: none; background: transparent; border: 1px solid var(--border); color: var(--text); padding: 8px 10px; border-radius: 8px; }

/* Hero */
.hero { position: relative; background: url('assets/images/hero.jpg') center/cover no-repeat, linear-gradient(180deg, #0b0b0b 0%, #121212 100%); min-height: 70vh; display: flex; align-items: center; border-bottom: 1px solid var(--border); }
.hero::after { content: ""; position: absolute; inset: 0; background: rgba(0,0,0,0.45); }
.hero-inner { position: relative; z-index: 1; padding: 80px 0; }
.hero h1 { font-size: clamp(32px, 6vw, 56px); line-height: 1.1; margin: 0 0 12px; }
.hero p { max-width: 680px; color: var(--muted); margin: 0 0 24px; font-size: 18px; }
.hero-ctas { display: flex; gap: 12px; }

/* Buttons */
.btn { display: inline-block; padding: 12px 18px; border-radius: 10px; text-decoration: none; font-weight: 600; transition: transform 0.08s ease, box-shadow 0.2s ease; }
.btn.primary { background: var(--accent); color: #000; box-shadow: 0 6px 18px rgba(255, 178, 0, 0.25); }
.btn.primary:hover { transform: translateY(-1px); box-shadow: 0 8px 22px rgba(255, 178, 0, 0.35); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }

/* Sections */
section { padding: 80px 0; }
section h2 { font-size: 28px; margin: 0 0 24px; letter-spacing: 0.3px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; display: flex; flex-direction: column; }
.card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.card-body { padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.card h3 { margin: 0; font-size: 20px; }
.card p { margin: 0; color: var(--muted); }
.features { margin: 6px 0 0; padding-left: 18px; color: var(--text); }
.features li { margin: 6px 0; }

/* Testimonials */
.testimonials { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.quotes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.quotes figure { margin: 0; padding: 20px; background: var(--card); border: 1px solid var(--border); border-radius: 14px; }
.quotes blockquote { margin: 0 0 10px; font-size: 18px; }
.quotes figcaption { color: var(--muted); font-size: 14px; }

/* Contact */
.contact-form { display: grid; gap: 14px; }
.contact-form .grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.contact-form label { display: flex; flex-direction: column; gap: 6px; }
.contact-form label span { font-size: 14px; color: var(--muted); }
.contact-form input, .contact-form textarea { background: #0f0f0f; border: 1px solid var(--border); color: var(--text); padding: 12px; border-radius: 10px; outline: none; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,178,0,0.15); }
.contact-form .full { grid-column: 1 / -1; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: #0a0a0a; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; }
.back-to-top { color: var(--muted); text-decoration: none; }
.back-to-top:hover { color: var(--accent); }

/* Responsive */
@media (max-width: 900px) {
  .cards { grid-template-columns: 1fr 1fr; }
  .quotes { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-toggle { display: inline-block; }
  .site-nav { position: absolute; top: 64px; right: 20px; background: var(--surface); border: 1px solid var(--border); padding: 10px; border-radius: 10px; display: none; flex-direction: column; }
  .site-nav[data-open="true"] { display: flex; }
  .cards { grid-template-columns: 1fr; }
  .contact-form .grid { grid-template-columns: 1fr; }
}