/* =============================================================
   base.css — Reset, global typography, shared utilities
   ============================================================= */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; }

ul { list-style: none; }

/* Focus visible for keyboard nav */
:focus-visible {
  outline: 3px solid var(--sun);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Skip link for screen readers */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--navy);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  z-index: 9999;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus { top: 0; }

/* Visually hidden (for screen readers) */
.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;
}

/* ── Section layout ── */
section { padding: var(--space-3xl) 5vw; }

.section-inner {
  max-width: 1140px;
  margin: 0 auto;
}

.section-dark  { background: var(--navy); }
.section-offwhite { background: var(--off-white); }

/* ── Section typography ── */
.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sun-dark);
  margin-bottom: 0.75rem;
}

.label-gold { color: rgba(232, 160, 32, 0.9); }

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.title-light  { color: var(--white); }

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-mid);
  max-width: 580px;
  line-height: 1.7;
}

.subtitle-light { color: rgba(255, 255, 255, 0.6); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--sun);
  color: var(--navy);
  border-color: var(--sun);
}

.btn-primary:hover {
  background: transparent;
  color: var(--sun);
}

.btn-secondary {
  background: transparent;
  color: rgba(255, 255, 255, 0.8);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

/* ── Fade-up animation ── */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive base ── */
@media (max-width: 768px) {
  section { padding: 3rem 5vw; }
}