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

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --gray-50: #f9f9f9;
  --gray-100: #f0f0f0;
  --gray-400: #999999;
  --gray-600: #555555;
  --gray-800: #222222;
  --accent: #1a1a1a;
  --font: 'Inter', system-ui, -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;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 2rem;
}


/* ── Hero ── */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  background-image: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&auto=format&fit=crop&q=80');
  background-size: cover;
  background-position: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.45) 100%);
}

.hero .container {
  position: relative;
  z-index: 1;
  padding-top: 6rem;
  padding-bottom: 6rem;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 400;
  max-width: 480px;
}

/* ── About split layout ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-img img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 6px;
  display: block;
}

/* ── Sections ── */
.section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--gray-100);
}

.section-alt {
  background: var(--gray-50);
}

.section-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 2rem;
}

.section-body {
  font-size: 1.0625rem;
  color: var(--gray-800);
  max-width: 580px;
  line-height: 1.75;
}

/* ── Pillars ── */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
}

.pillar h3 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.6rem;
  color: var(--black);
}

.pillar p {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ── Contact ── */
.contact-section {
  text-align: left;
}

.btn {
  display: inline-block;
  margin-top: 1.75rem;
  padding: 0.75rem 1.5rem;
  background: var(--black);
  color: var(--white);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 4px;
  transition: opacity 0.15s;
}

.btn:hover {
  opacity: 0.8;
}

/* ── Footer ── */
.footer {
  padding: 2.5rem 0;
  background: var(--white);
}

.footer p {
  font-size: 0.8125rem;
  color: var(--gray-400);
}

/* ── Responsive ── */
@media (max-width: 700px) {
  .hero {
    min-height: 70vh;
  }

  .section {
    padding: 3.5rem 0;
  }

  .pillars {
    gap: 2rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-img {
    order: -1;
  }

  .about-img img {
    height: 260px;
  }
}