/* ============================================================
   Base — reset, typography, layout primitives
   ============================================================ */

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

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

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-base);
  color: var(--color-navy);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

button {
  font: inherit;
  cursor: pointer;
  background: none;
  border: none;
  color: inherit;
}

input,
select,
textarea {
  font: inherit;
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

ul,
ol {
  list-style: none;
}

/* ---------- Typography defaults ---------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-navy);
}

p {
  line-height: var(--line-height-base);
}

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

main#main-content {
  /* Space for the fixed header on every page */
  padding-top: var(--header-height);
}

/* Homepage hero must sit under the (transparent) header */
.page-home main#main-content {
  padding-top: 0;
}

/* ---------- Accessibility utilities ---------- */
.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;
}

:focus-visible {
  outline: 2px solid var(--color-pink);
  outline-offset: 2px;
}

/* ---------- Generic button base (variants live in components/buttons.css) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 24px;
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: opacity var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

.btn:hover {
  opacity: 0.9;
}

.btn--accent,
.btn--primary {
  background-color: var(--color-pink);
  color: var(--color-white);
}

.btn--secondary {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.btn--whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
}

.btn--ghost {
  background: transparent;
  color: var(--color-navy);
  border: 1px solid var(--color-gray-300);
}

.btn--large {
  padding: 18px 32px;
  font-size: var(--font-size-base);
}

.btn--sm {
  padding: 10px 18px;
  font-size: var(--font-size-sm);
}

/* ---------- Section helpers ---------- */
section {
  position: relative;
}