/* ============================================================
   Base — reset, typography, layout primitives, nav, buttons.
   Section-specific styles live in sections.css.
   ============================================================ */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

.eyebrow {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
}
.eyebrow::before {
  content: "";
  width: 20px;
  height: 1px;
  background: var(--accent-2);
  display: inline-block;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

section { position: relative; padding: 110px 0; }
section.tight { padding: 70px 0; }

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(2rem, 4vw, 2.7rem); margin-top: 10px; }
.section-head p { color: var(--text-dim); margin-top: 14px; font-size: 1.05rem; }

/* ---------- reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(.2,.7,.3,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--border-soft);
}
.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.15rem;
}
.nav-logo span { color: var(--accent-2); }
.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-dim);
  position: relative;
  padding-bottom: 4px;
}
.nav-links a::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 1px; background: var(--accent-2);
  transition: right 0.25s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { right: 0; }

.nav-actions { display: flex; align-items: center; gap: 14px; }

.icon-btn {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  background: transparent;
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}
.icon-btn:hover { color: var(--accent-2); border-color: var(--accent-2); transform: translateY(-1px); }
.icon-btn svg { width: 17px; height: 17px; }

.hamburger { display: none; }

/* ---------- buttons / pills / chips ---------- */
.btn {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.01em;
  padding: 13px 24px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 24px -10px color-mix(in srgb, var(--accent) 60%, transparent); }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent-2); color: var(--accent-2); transform: translateY(-2px); }

.pill {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.chip {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0;
  padding: 8px 15px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  background: transparent;
  transition: all 0.2s ease;
}
.chip:hover { border-color: var(--text-dim); color: var(--text); }
.chip.active { background: var(--text); color: var(--bg); border-color: var(--text); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}