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

:root {
  --black: #0a0a0a;
  --dark: #111111;
  --gray-900: #1a1a1a;
  --gray-700: #333333;
  --gray-400: #888888;
  --gray-200: #e5e5e5;
  --gray-100: #f4f4f4;
  --white: #ffffff;
  --accent: #dc2626;
  --accent-hover: #b91c1c;
  --accent-light: #ef4444;
  --font: 'Inter', -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* Nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,10,10,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #1f1f1f;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo {
  font-size: 1.1rem; font-weight: 700; color: var(--white);
  text-decoration: none; letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }
.nav-links { list-style: none; display: flex; gap: 32px; align-items: center; }
.nav-links a { text-decoration: none; color: #aaa; font-size: 0.9rem; font-weight: 500; transition: color 0.15s; }
.nav-links a:hover { color: var(--white); }
.btn-nav {
  padding: 8px 18px; border-radius: 6px;
  background: var(--accent); color: var(--white) !important;
  transition: background 0.15s !important;
}
.btn-nav:hover { background: var(--accent-hover) !important; }

/* Hero */
.hero {
  padding: 160px 0 110px;
  position: relative; overflow: hidden;
  background: var(--black);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    -55deg,
    transparent,
    transparent 60px,
    rgba(220,38,38,0.03) 60px,
    rgba(220,38,38,0.03) 61px
  );
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }
.hero-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 20px;
}
.hero-label::before {
  content: '';
  display: inline-block; width: 24px; height: 2px;
  background: var(--accent);
}
.hero h1 {
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  font-weight: 800; letter-spacing: -0.04em;
  line-height: 1.05; color: var(--white);
  max-width: 820px; margin-bottom: 24px;
}
.hero h1 em { color: var(--accent); font-style: normal; }
.hero-sub {
  font-size: 1.05rem; color: #888;
  max-width: 540px; margin-bottom: 40px; line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-gradient {
  position: absolute; top: -80px; right: -160px;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(220,38,38,0.07) 0%, transparent 70%);
  pointer-events: none;
}

/* Buttons */
.btn-primary {
  display: inline-block;
  padding: 13px 28px; border-radius: 6px;
  background: var(--accent); color: var(--white);
  font-size: 0.9rem; font-weight: 600;
  text-decoration: none; transition: background 0.15s;
  letter-spacing: 0.01em;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary {
  display: inline-block;
  padding: 13px 28px; border-radius: 6px;
  border: 1.5px solid #333; color: #ccc;
  font-size: 0.9rem; font-weight: 600;
  text-decoration: none; transition: border-color 0.15s, color 0.15s;
}
.btn-secondary:hover { border-color: #666; color: var(--white); }

/* Sections */
.section { padding: 96px 0; }
.section.bg-light { background: var(--gray-100); }
.section.bg-dark { background: var(--black); }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  display: inline-block; width: 18px; height: 2px;
  background: var(--accent);
}
.section-label.light { color: var(--accent-light); }
.section-label.light::before { background: var(--accent-light); }
.section-title { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 56px; }

/* Two col */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.two-col h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 800; letter-spacing: -0.03em; }
.two-col p { color: var(--gray-400); font-size: 1rem; margin-bottom: 16px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-top: 3px solid var(--accent);
  border-radius: 8px; padding: 36px 28px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: 0 12px 40px rgba(0,0,0,0.1); transform: translateY(-2px); }
.card-icon { font-size: 1.1rem; color: var(--accent); margin-bottom: 20px; }
.card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.01em; }
.card p { font-size: 0.9rem; color: var(--gray-400); line-height: 1.7; }

/* Contact */
.contact-inner { text-align: center; max-width: 600px; margin: 0 auto; }
.contact-inner h2 { color: var(--white); font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 20px; }
.contact-sub { color: #666; font-size: 1rem; margin-bottom: 40px; }

/* Footer */
.footer { padding: 32px 0; background: var(--black); border-top: 1px solid #1f1f1f; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; }
.footer-copy { font-size: 0.8rem; color: #555; }

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .cards { grid-template-columns: 1fr; }
  .hero { padding: 120px 0 80px; }
}