/* ============================================
   NAILONG NAILS — Global Reset & Base
   ============================================ */

@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;1,400&family=Inter:wght@300;400;500;600&display=swap");

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

ul, ol {
  list-style: none;
}

/* ── Utility ── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

.container {
  width: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.container--full {
  max-width: var(--container-max);
}

.section {
  padding: var(--space-16) 0;
}

.section--sm {
  padding: var(--space-10) 0;
}

.section--lg {
  padding: var(--space-24) 0;
}

/* ── Typography helpers ── */
.text-serif  { font-family: var(--font-serif); }
.text-xs     { font-size: var(--text-xs); }
.text-sm     { font-size: var(--text-sm); }
.text-md     { font-size: var(--text-md); }
.text-lg     { font-size: var(--text-lg); }
.text-xl     { font-size: var(--text-xl); }
.text-2xl    { font-size: var(--text-2xl); }
.text-3xl    { font-size: var(--text-3xl); }
.text-muted  { color: var(--color-text-muted); }
.text-light  { color: var(--color-text-light); }
.text-center { text-align: center; }
.uppercase   { text-transform: uppercase; letter-spacing: var(--tracking-wider); }

.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-2       { gap: var(--space-2); }
.gap-4       { gap: var(--space-4); }

/* ── Divider ── */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-8) 0;
}

/* ── Overlay ── */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(26,23,20,.45);
  z-index: var(--z-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-drawer);
}

.overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

/* ── Scroll Lock ── */
body.scroll-lock {
  overflow: hidden;
}

/* ── Price ── */
.price-sale    { color: var(--color-sale); }
.price-compare { text-decoration: line-through; color: var(--color-text-light); margin-left: var(--space-2); }

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  line-height: 1.5;
}

.badge--new  { background: var(--color-new);  color: #fff; }
.badge--best { background: var(--color-best); color: #fff; }
.badge--sale { background: var(--color-sale); color: #fff; }

/* ── Section Header ── */
.section-header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.section-header__eyebrow {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
  display: block;
}

.section-header__title {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-xl), 3vw, var(--text-3xl));
  font-weight: var(--weight-regular);
  line-height: var(--leading-tight);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.section-header__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto;
}

/* ── Animations ── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}

@keyframes slideInUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.animate-fade-in {
  animation: fadeIn 0.4s ease both;
}

/* ── Toast ── */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  background: var(--color-text);
  color: var(--color-surface);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  pointer-events: auto;
  animation: fadeIn 0.25s ease;
  white-space: nowrap;
}