/* ============================================================
   MARKETING 4 AFRO HAIR — Global Theme v2
   theme.css — Reset · Base · Typography · Layout · Utilities
   Warm Luxury Direction · Cormorant + DM Sans
   ============================================================ */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

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

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

body {
  font-family: var(--font-body);
  font-size: var(--fs-md);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--color-text-body);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition:
    background-color var(--dur-slow) var(--ease-decel),
    color var(--dur-slow) var(--ease-decel);
  overflow-x: hidden;
}

/* ── Base Elements ────────────────────────────────────────── */
img, video, svg, canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--dur-fast) var(--ease-standard);
}
a:hover { color: var(--color-accent-hover); }
a:where(:not([class])):hover { text-decoration-thickness: 2px; }

ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; background: none; border: none; }
button { cursor: pointer; }
p { color: var(--color-text-secondary); }
strong { font-weight: var(--fw-semibold); color: var(--color-text-body); }
em { font-style: italic; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--color-text-primary);
  letter-spacing: var(--ls-tight);
  text-wrap: balance;
}

/* ── Focus ────────────────────────────────────────────────── */
:focus-visible {
  outline: 2.5px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}
:focus:not(:focus-visible) { outline: none; }

/* ── Skip Link ────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--sp-4);
  z-index: var(--z-top);
  padding: var(--sp-2) var(--sp-6);
  background: var(--color-accent);
  color: white;
  border-radius: var(--radius-full);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  text-decoration: none;
  transition: top var(--dur-fast) var(--ease-standard);
}
.skip-link:focus { top: var(--sp-4); }

/* ── Selection ────────────────────────────────────────────── */
::selection {
  background: rgba(201, 112, 30, 0.2);
  color: var(--color-text-primary);
}

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--color-border-strong);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--color-accent); }

/* ════════════════════════════════════════════════════════════
   LAYOUT PRIMITIVES
   ════════════════════════════════════════════════════════════ */
.container {
  width: 100%;
  max-width: var(--max-w-xl);
  margin-inline: auto;
  padding-inline: var(--container-px);
}
.container--sm  { max-width: var(--max-w-sm); }
.container--md  { max-width: var(--max-w-md); }
.container--lg  { max-width: var(--max-w-lg); }
.container--2xl { max-width: var(--max-w-2xl); }

/* Sections */
.section {
  padding-block: var(--section-y);
  position: relative;
}
.section--lg   { padding-block: var(--section-y-lg); }
.section--sm   { padding-block: clamp(2.5rem, 5vw, 4rem); }
.section--flush{ padding-block: 0; }

/* Surface variants */
.surface-default  { background-color: var(--color-bg); }
.surface-alt      { background-color: var(--color-bg-alt); }
.surface-tint     { background-color: var(--color-bg-tint); }
.surface-dark     {
  background-color: var(--color-surface-dark);
  color: var(--cream-50);
}
.surface-dark h1,
.surface-dark h2,
.surface-dark h3,
.surface-dark h4,
.surface-dark p { color: var(--cream-100); }

.surface-copper {
  background: linear-gradient(145deg, var(--copper-600) 0%, var(--copper-500) 50%, var(--copper-400) 100%);
  color: white;
}

.surface-espresso {
  background: linear-gradient(145deg, var(--espresso-950) 0%, var(--espresso-900) 60%, var(--espresso-800) 100%);
  color: var(--cream-50);
}

/* ════════════════════════════════════════════════════════════
   TYPOGRAPHY UTILITIES
   ════════════════════════════════════════════════════════════ */

/* Display headings — Cormorant Garamond */
.t-display-2xl {
  font-family: var(--font-display);
  font-size: var(--fs-display-2xl);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
}
.t-display-xl {
  font-family: var(--font-display);
  font-size: var(--fs-display-xl);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
}
.t-display-lg {
  font-family: var(--font-display);
  font-size: var(--fs-display-lg);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
}
.t-display-md {
  font-family: var(--font-display);
  font-size: var(--fs-display-md);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
}
.t-display-sm {
  font-family: var(--font-display);
  font-size: var(--fs-display-sm);
  font-weight: var(--fw-medium);
  line-height: var(--lh-snug);
}

/* Body text */
.t-body-xl { font-size: var(--fs-xl); line-height: var(--lh-relaxed); }
.t-body-lg { font-size: var(--fs-lg); line-height: var(--lh-relaxed); }
.t-body-md { font-size: var(--fs-md); line-height: var(--lh-normal); }
.t-body-sm { font-size: var(--fs-sm); line-height: var(--lh-normal); }
.t-body-xs { font-size: var(--fs-xs); line-height: var(--lh-normal); }

/* Colour modifiers */
.t-copper   { color: var(--color-accent); }
.t-gold     { color: var(--color-gold); }
.t-muted    { color: var(--color-text-muted); }
.t-inverse  { color: var(--color-text-inverse); }
.t-primary  { color: var(--color-text-primary); }

/* Alignment */
.t-center { text-align: center; }
.t-left   { text-align: left; }
.t-right  { text-align: right; }
.t-balance { text-wrap: balance; }

/* Eyebrow label */
.eyebrow {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: var(--fs-3xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-accent);
}

/* Decorative rule under headings */
.ruled-title {
  position: relative;
  padding-bottom: var(--sp-5);
}
.ruled-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 3rem;
  height: 2px;
  background: linear-gradient(90deg, var(--copper-500), var(--gold-400));
  border-radius: var(--radius-full);
}
.ruled-title--center::after {
  left: 50%;
  transform: translateX(-50%);
}

/* Gradient text spans */
.t-gradient-copper {
  background: linear-gradient(135deg, var(--copper-400) 0%, var(--gold-400) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ════════════════════════════════════════════════════════════
   SECTION HEADER COMPONENT
   ════════════════════════════════════════════════════════════ */
.section-header {
  max-width: 680px;
  margin-bottom: var(--sp-12);
}
.section-header--center {
  text-align: center;
  margin-inline: auto;
}
.section-header--center .ruled-title::after {
  left: 50%;
  transform: translateX(-50%);
}
.section-header__label {
  margin-bottom: var(--sp-3);
}
.section-header__title {
  font-family: var(--font-display);
  font-size: var(--fs-display-md);
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--sp-4);
}
.section-header__sub {
  font-size: var(--fs-lg);
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
  max-width: 58ch;
}
.section-header--center .section-header__sub {
  margin-inline: auto;
}

/* ════════════════════════════════════════════════════════════
   GRID UTILITIES
   ════════════════════════════════════════════════════════════ */
.grid-2   { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-8); }
.grid-3   { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-8); }
.grid-4   { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-6); }
.grid-auto-sm { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--sp-5); }
.grid-auto-md { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--sp-6); }
.grid-auto-lg { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: var(--sp-8); }

.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { display: flex; flex-wrap: wrap; }
.flex-col { display: flex; flex-direction: column; }
.gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); }
.gap-6 { gap: var(--sp-6); }
.gap-8 { gap: var(--sp-8); }

/* Spacing shorthands */
.mb-2  { margin-bottom: var(--sp-2);  }
.mb-3  { margin-bottom: var(--sp-3);  }
.mb-4  { margin-bottom: var(--sp-4);  }
.mb-6  { margin-bottom: var(--sp-6);  }
.mb-8  { margin-bottom: var(--sp-8);  }
.mb-10 { margin-bottom: var(--sp-10); }
.mb-12 { margin-bottom: var(--sp-12); }
.mt-4  { margin-top: var(--sp-4);     }
.mt-6  { margin-top: var(--sp-6);     }
.mt-8  { margin-top: var(--sp-8);     }
.mt-12 { margin-top: var(--sp-12);    }
.mx-auto { margin-inline: auto; }

/* ════════════════════════════════════════════════════════════
   ANIMATION SYSTEM
   ════════════════════════════════════════════════════════════ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.94); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-32px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes pulseRing {
  0%, 100% { box-shadow: 0 0 0 0 var(--color-accent-glow); }
  50%       { box-shadow: 0 0 0 12px transparent; }
}
@keyframes shimmer {
  from { background-position: -200% center; }
  to   { background-position: 200% center; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}
@keyframes counterUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Scroll-reveal — base state */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--dur-slow) var(--ease-standard),
    transform var(--dur-slow) var(--ease-standard);
}
[data-reveal="left"]  { transform: translateX(-24px); }
[data-reveal="right"] { transform: translateX(24px); }
[data-reveal="scale"] { transform: scale(0.95); }

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Staggered reveal delay utilities */
[data-delay="100"] { transition-delay: 100ms; }
[data-delay="200"] { transition-delay: 200ms; }
[data-delay="300"] { transition-delay: 300ms; }
[data-delay="400"] { transition-delay: 400ms; }
[data-delay="500"] { transition-delay: 500ms; }

/* ════════════════════════════════════════════════════════════
   ACCESSIBILITY
   ════════════════════════════════════════════════════════════ */
.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;
}
.hidden { display: none !important; }
.invisible { visibility: hidden; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ════════════════════════════════════════════════════════════
   RESPONSIVE BREAKPOINTS
   ════════════════════════════════════════════════════════════ */
@media (max-width: 1023px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hide-tablet { display: none; }
}

@media (max-width: 767px) {
  .grid-4,
  .grid-3,
  .grid-2  { grid-template-columns: 1fr; }
  .hide-mobile { display: none; }
  .section { padding-block: clamp(3rem, 6vw, 5rem); }
  .section--lg { padding-block: clamp(3.5rem, 7vw, 5.5rem); }
}

@media (max-width: 479px) {
  .hide-xs { display: none; }
}