/* =========================================
   SLITSCAN LLC — v1
   Clean, minimal, modern
   ========================================= */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:         #0B0F1A;
  --bg-surface: #111827;
  --border:     #1F2937;
  --accent:     #3B82F6;
  --accent-dim: #1D4ED8;
  --text:       #F9FAFB;
  --text-muted: #9CA3AF;
  --text-sub:   #6B7280;
  --radius:     8px;
  --max-width:  1100px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 100px 0;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1.5px solid transparent;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn--primary:hover {
  background: var(--accent-dim);
  border-color: var(--accent-dim);
}

.btn--outline {
  border-color: var(--border);
  color: var(--text-muted);
}
.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--ghost {
  color: var(--text-muted);
}
.btn--ghost:hover {
  color: var(--text);
}

.btn--large {
  padding: 0.85rem 2.5rem;
  font-size: 1rem;
}

/* --- Nav --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 26, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}
.nav__logo span {
  color: var(--accent);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav__links a:hover {
  color: var(--text);
}

/* --- Hero --- */
.hero {
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.hero__headline {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.hero__sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Subtle grid background */
.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 80% 60% at 80% 50%, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 80% 50%, black 20%, transparent 80%);
}

/* --- Section Typography --- */
.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section__sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 540px;
  margin-bottom: 3.5rem;
  line-height: 1.7;
}

/* --- Services --- */
.services {
  border-top: 1px solid var(--border);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5px;
  background: var(--border);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.card {
  background: var(--bg-surface);
  padding: 2rem;
  transition: background 0.2s;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.card:hover {
  background: #161d2e;
}

.card__icon {
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 1.25rem;
  display: block;
}

.card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--text);
}

.card__body {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 280px;
}

/* --- About --- */
.about {
  border-top: 1px solid var(--border);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about__text p {
  color: var(--text-muted);
  margin-top: 1.25rem;
  line-height: 1.8;
  font-size: 1rem;
}

.about__stat-block {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-left: 1.5rem;
  border-left: 2px solid var(--accent);
}

.stat__num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.stat__label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- Contact --- */
.contact {
  border-top: 1px solid var(--border);
  text-align: center;
}

.contact__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__copy {
  font-size: 0.8rem;
  color: var(--text-sub);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav__links a:not(.btn) {
    display: none;
  }

  .about__inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero {
    padding: 80px 0 60px;
  }

  .section {
    padding: 70px 0;
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}