/* IME Power Sports — base stylesheet
   Racing-inspired dark theme: black, chrome silver, signal red. */

:root {
  --bg: #0c0d10;
  --bg-alt: #14161b;
  --surface: #1b1e26;
  --text: #f2f4f8;
  --muted: #a3abb8;
  --accent: #e11d2a;     /* signal red */
  --accent-hover: #ff2f3c;
  --border: #2a2e38;
  --radius: 10px;
  --maxw: 1100px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 640px; }

a { color: var(--text); text-decoration: none; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(12, 13, 16, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 800; font-size: 1.25rem; letter-spacing: -0.5px; }
.brand span { color: var(--accent); margin-left: 4px; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: var(--muted); font-size: 0.95rem; transition: color 0.15s; }
.nav-links a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 12px 22px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
}
.btn:hover { background: var(--accent-hover); }
.btn:active { transform: translateY(1px); }
.btn-sm { padding: 8px 16px; font-size: 0.9rem; }
.btn-lg { padding: 14px 28px; font-size: 1.05rem; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--surface); }

/* Hero */
.hero {
  padding: 96px 0 80px;
  background:
    radial-gradient(1200px 400px at 70% -10%, rgba(225,29,42,0.18), transparent 60%),
    linear-gradient(180deg, var(--bg-alt), var(--bg));
  text-align: center;
}
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: 2px; font-size: 0.8rem; font-weight: 700; margin-bottom: 16px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.1; letter-spacing: -1px; margin-bottom: 20px; }
.lead { color: var(--muted); font-size: 1.15rem; max-width: 640px; margin: 0 auto 32px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-cta.center { margin-top: 24px; }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-title { font-size: clamp(1.6rem, 3vw, 2.2rem); text-align: center; letter-spacing: -0.5px; margin-bottom: 12px; }
.section-sub { color: var(--muted); text-align: center; max-width: 560px; margin: 0 auto 8px; }

/* Feature grid */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; margin-top: 40px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color 0.15s, transform 0.15s;
}
.card:hover { border-color: var(--accent); transform: translateY(-3px); }
.card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.97rem; }

/* Contact form */
.contact-form { display: flex; flex-direction: column; gap: 14px; margin-top: 32px; }
.contact-form input,
.contact-form textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
}
.contact-form input:focus,
.contact-form textarea:focus { outline: none; border-color: var(--accent); }
.contact-form .btn { align-self: flex-start; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 32px 0; text-align: center; }
.site-footer p { color: var(--muted); font-size: 0.9rem; }

@media (max-width: 600px) {
  .nav-links { gap: 14px; }
  .nav-links a:not(.btn) { display: none; }
}