/*
 * File: assets/css/base.css
 * Description: Reset + typography + layout primitives. Mobile-first, 360px min.
 * Project: Spa Booking & Loyalty PWA — The Spa & Beyond Wellness
 * Version: 1.0.0
 * Created: 2026-07-19 @ 21:32 SAST
 * Modified: 2026-07-19 @ 21:32 SAST
 * Changes: v1.0.0 — reset, headings, buttons, forms, grid, cards, banners, nav
 */

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

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--color-link);
  text-decoration-color: var(--color-border);
  text-underline-offset: 3px;
}
a:hover { color: var(--color-accent-hover); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--r-sm);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-heading);
  line-height: var(--lh-tight);
  margin: 0 0 var(--sp-4);
  font-weight: 400;
}
h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }

@media (min-width: 720px) {
  h1 { font-size: var(--fs-4xl); }
  h2 { font-size: var(--fs-3xl); }
}

p { margin: 0 0 var(--sp-4); }

small { font-size: var(--fs-xs); color: var(--color-text-muted); }

/* Layout */
.container {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--sp-4);
}

main { flex: 1 1 auto; padding: var(--sp-6) 0 var(--sp-10); }

/* Nav */
.nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 20;
}
.nav__inner {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--sp-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--color-heading);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: var(--fs-lg);
}
.nav__brand img { height: 36px; width: auto; }
.nav__links { display: none; gap: var(--sp-4); }
.nav__links a { text-decoration: none; color: var(--color-heading); font-family: var(--font-strong); }
.nav__links a[aria-current="page"] { color: var(--color-accent); }
@media (min-width: 720px) { .nav__links { display: flex; } }

.nav__cta { display: inline-flex; }

.nav__burger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-heading);
  width: 40px; height: 40px;
  border-radius: var(--r-sm);
  cursor: pointer;
}
@media (min-width: 720px) { .nav__burger { display: none; } }

.nav__drawer {
  display: none;
  position: absolute;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--sp-4);
  flex-direction: column;
  gap: var(--sp-3);
}
.nav__drawer.is-open { display: flex; }
.nav__drawer a { text-decoration: none; color: var(--color-heading); font-family: var(--font-strong); padding: var(--sp-2) 0; }

/* Footer */
.footer {
  background: var(--color-heading);
  color: var(--color-surface);
  padding: var(--sp-8) 0 var(--sp-6);
  font-size: var(--fs-sm);
  margin-top: auto;
}
.footer__inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--sp-4);
  display: grid;
  gap: var(--sp-6);
}
@media (min-width: 720px) {
  .footer__inner { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
.footer h4 { color: var(--color-surface); font-family: var(--font-strong); font-size: var(--fs-base); margin-bottom: var(--sp-3); }
.footer a { color: var(--spa-sand); text-decoration: none; display: inline-block; padding: var(--sp-1) 0; }
.footer a:hover { color: #fff; }
.footer__social { display: flex; gap: var(--sp-3); margin-top: var(--sp-2); }
.footer__social img { width: 24px; height: 24px; }
.footer__legal { text-align: center; margin-top: var(--sp-6); color: var(--spa-taupe); font-size: var(--fs-xs); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: 44px;
  padding: var(--sp-2) var(--sp-5);
  border-radius: var(--r-md);
  font-family: var(--font-strong);
  font-size: var(--fs-base);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 120ms, color 120ms, border-color 120ms;
}
.btn--primary { background: var(--spa-primary); color: #fff; }
.btn--primary:hover { background: var(--spa-mid); color: #fff; }
.btn--secondary { background: transparent; color: var(--color-heading); border-color: var(--color-heading); }
.btn--secondary:hover { background: var(--color-heading); color: #fff; }
.btn--ghost { background: transparent; color: var(--color-heading); }
.btn--ghost:hover { background: var(--color-surface-alt); }
.btn--wa { background: var(--wa-green); color: #fff; }
.btn--wa:hover { background: #1ea952; }
.btn--danger { background: var(--color-danger); color: #fff; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

.btn--block { width: 100%; }

/* Forms */
.field { margin-bottom: var(--sp-4); }
.field__label {
  display: block;
  font-family: var(--font-strong);
  font-size: var(--fs-sm);
  margin-bottom: var(--sp-1);
  color: var(--color-heading);
}
.field__hint { font-size: var(--fs-xs); color: var(--color-text-muted); margin-top: var(--sp-1); }
.field__error { font-size: var(--fs-sm); color: var(--color-danger); margin-top: var(--sp-1); }

.input, .select, .textarea {
  width: 100%;
  padding: var(--sp-3);
  border: 1px solid var(--color-border);
  border-radius: var(--r-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  min-height: 44px;
}
.textarea { min-height: 120px; resize: vertical; }
.checkbox { display: inline-flex; align-items: center; gap: var(--sp-2); }
.checkbox input { width: 18px; height: 18px; }

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  box-shadow: var(--sh-1);
}
.card--sand { background: var(--color-surface-alt); }
.card__title { font-family: var(--font-display); color: var(--color-heading); margin: 0 0 var(--sp-2); font-size: var(--fs-xl); }
.card__meta { color: var(--color-text-muted); font-size: var(--fs-sm); margin-bottom: var(--sp-3); }

/* Banners */
.banner {
  padding: var(--sp-4);
  border-radius: var(--r-md);
  border: 1px solid transparent;
  margin-bottom: var(--sp-5);
}
.banner--warning { background: var(--color-warning-bg); color: var(--color-warning-text); border-color: #e0cd85; }
.banner--danger { background: #f7d3d3; color: var(--color-danger); border-color: #e6a1a1; }
.banner--success { background: #d5ecd6; color: var(--color-success); border-color: #a9d3aa; }
.banner--info { background: var(--color-surface-alt); color: var(--color-heading); border-color: var(--color-border); }

/* Grid */
.grid { display: grid; gap: var(--sp-5); }
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
@media (min-width: 720px) {
  .grid--2 { grid-template-columns: 1fr 1fr; }
  .grid--3 { grid-template-columns: 1fr 1fr 1fr; }
}

/* Utilities */
.stack > * + * { margin-top: var(--sp-4); }
.stack--sm > * + * { margin-top: var(--sp-2); }
.stack--lg > * + * { margin-top: var(--sp-6); }
.row { display: flex; gap: var(--sp-3); flex-wrap: wrap; align-items: center; }
.row--between { justify-content: space-between; }
.muted { color: var(--color-text-muted); }
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.hidden { display: none !important; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

/* Motion */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* Skip link */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--color-heading); color: #fff; padding: var(--sp-2) var(--sp-4);
  z-index: 100;
}
.skip-link:focus { left: 0; }



/* ── v1.1.0 mobile polish ─────────────────────────────────────────────────── */

/* Breathing room on small screens */
@media (max-width: 719px) {
  .container { padding: 0 var(--sp-5); }
  main { padding: var(--sp-5) 0 var(--sp-10); }
  .grid { gap: var(--sp-5); }
  section + section { margin-top: var(--sp-8); }
  h1 { margin-bottom: var(--sp-3); }
  h2 { margin-top: var(--sp-2); }
}

/* Cards: softer, roomier, quietly elevated */
.card {
  padding: var(--sp-5);
  border-radius: var(--r-lg);
  border: 1px solid var(--color-border);
  box-shadow: 0 1px 2px rgba(45, 49, 29, 0.05), 0 4px 14px rgba(45, 49, 29, 0.06);
}
.card__title {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.card__title::before {
  content: "";
  flex: 0 0 auto;
  width: 1.15em;
  height: 1.15em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23AF9B81' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3v4M12 17v4M3 12h4M17 12h4M6 6l2.5 2.5M15.5 15.5L18 18M18 6l-2.5 2.5M8.5 15.5L6 18'/%3E%3C/svg%3E") center / contain no-repeat;
  opacity: 0.9;
}

/* Category headers: botanical marker */
section[id] > h2 {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--sp-5);
}
section[id] > h2::before {
  content: "";
  flex: 0 0 auto;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23808060' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 21A8 8 0 0 1 4 13C4 8 8 4 12 3c4 1 8 5 8 10a8 8 0 0 1-8 8z'/%3E%3Cpath d='M12 21V9'/%3E%3Cpath d='M12 13c1.5-.5 3-1.8 3.5-3.5'/%3E%3Cpath d='M12 17c-1.5-.5-3-1.8-3.5-3.5'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* Variant rows: dividers + comfortable tap targets */
.card .row--between {
  padding: var(--sp-2) 0;
  align-items: center;
  gap: var(--sp-3);
}
.card .row--between + .row--between { border-top: 1px solid var(--color-border); }
.card ul.stack--sm { margin: var(--sp-2) 0 0; }

/* 44px minimum touch targets on phones */
@media (max-width: 719px) {
  .btn { min-height: 44px; padding: var(--sp-2) var(--sp-5); }
  .nav__drawer a { padding: var(--sp-3) 0; }
  .footer a { padding: var(--sp-2) 0; }
}

/* Pills and banners: a touch more presence */
.pill { display: inline-flex; align-items: center; gap: var(--sp-1); line-height: 1.4; }
.banner { border-radius: var(--r-md); }


/* ── v1.2.0 hero ──────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  min-height: clamp(300px, 45vw, 440px);
  display: flex;
  align-items: flex-end;
  background: var(--color-surface-alt) url('/assets/img/photos/hero-AdobeStock_393552582-1920.webp') center / cover no-repeat;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(45,49,29,0) 30%, rgba(45,49,29,0.55) 78%, rgba(45,49,29,0.72) 100%);
}
.hero__content {
  position: relative;
  z-index: 1;
  padding: var(--sp-6) var(--sp-5) var(--sp-6);
  max-width: 46rem;
}
.hero__content h1 { color: #fff; margin-bottom: var(--sp-2); text-shadow: 0 2px 12px rgba(0,0,0,0.35); }
.hero__sub { color: rgba(255,255,255,0.94); margin-bottom: var(--sp-4); text-shadow: 0 1px 8px rgba(0,0,0,0.35); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin: 0; }
.btn--hero { background: rgba(255,255,255,0.12); color: #fff; border-color: rgba(255,255,255,0.85); backdrop-filter: blur(2px); }
.btn--hero:hover { background: #fff; color: var(--color-heading); }
.section--after-hero { margin-top: var(--sp-6); }
@media (min-width: 720px) {
  .hero__content { padding: var(--sp-8) var(--sp-8); }
  .section--after-hero { margin-top: var(--sp-8); }
}