/* =========================================================
   AMARAH — Base & Typography
   ========================================================= */

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: var(--fw-regular);
  font-size: var(--fs-16);
  line-height: var(--lh-base);
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur-1) var(--ease-out-expo);
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

/* ---------- Headings ---------- */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: var(--fw-light);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--color-ink);
}

.display-1 {
  font-size: clamp(var(--fs-56), 9vw, var(--fs-112));
  font-weight: var(--fw-light);
  letter-spacing: -0.025em;
}
.display-2 {
  font-size: clamp(var(--fs-40), 6vw, var(--fs-80));
  font-weight: var(--fw-light);
}
.display-3 {
  font-size: clamp(var(--fs-32), 4.5vw, var(--fs-56));
}
.display-4 {
  font-size: clamp(var(--fs-24), 3vw, var(--fs-40));
}

/* ---------- Eyebrow ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: var(--fs-12);
  font-weight: var(--fw-medium);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: var(--ls-widest);
  color: var(--color-ink-soft);
}
.eyebrow::before {
  content: "";
  width: 36px;
  height: 1px;
  background: var(--color-accent-dk);
}

/* ---------- Lead paragraph ---------- */
.lead {
  font-size: clamp(var(--fs-16), 1.4vw, var(--fs-20));
  line-height: var(--lh-loose);
  color: var(--color-ink-soft);
  max-width: 60ch;
}

/* ---------- Container & sections ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--container-pad);
}

section {
  position: relative;
}

.section-pad {
  padding-block: clamp(80px, 10vw, 160px);
}
.section-pad-sm {
  padding-block: clamp(56px, 6vw, 96px);
}

/* ---------- Utility ---------- */
.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;
}

.text-center { text-align: center; }
.hidden { display: none !important; }

::selection {
  background: var(--amr-burnt-bark);
  color: var(--amr-ivory-veil);
}

/* ---------- Reveal on scroll ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur-4) var(--ease-out-expo),
              transform var(--dur-4) var(--ease-out-expo);
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal][data-delay="1"] { transition-delay: 80ms; }
[data-reveal][data-delay="2"] { transition-delay: 160ms; }
[data-reveal][data-delay="3"] { transition-delay: 240ms; }
[data-reveal][data-delay="4"] { transition-delay: 320ms; }