/* ============================================================
   FutureBatao — Base: reset, typography, utilities
   Loaded after Bootstrap so it can refine defaults.
   ============================================================ */

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ---- Headings ---- */
h1, h2, h3, h4, .display {
  font-family: var(--font-display);
  font-weight: var(--fw-x);
  line-height: var(--lh-tight);
  color: var(--c-plum-900);
  letter-spacing: -0.025em;
  margin: 0 0 var(--s-4);
}
h1 { font-weight: var(--fw-black); }
h2 { font-weight: var(--fw-x); letter-spacing: -0.02em; }
h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }

p { margin: 0 0 var(--s-4); color: var(--c-ink-soft); }

a { color: var(--c-saffron-600); text-decoration: none; transition: color var(--dur-fast) var(--ease); }
a:hover { color: var(--c-saffron-700); }

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

::selection { background: var(--c-saffron-200); color: var(--c-plum-900); }

/* ---- Layout helpers ---- */
.container-fb { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--s-5); }
.section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.section--cream { background: var(--c-cream-2); }
.section--dusk { background: var(--g-dusk); color: #fff; }
.section--dusk h2, .section--dusk h3 { color: #fff; }
.section--dusk p { color: rgba(255,255,255,.82); }

/* ---- Eyebrow / kicker ---- */
.kicker {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: var(--fs-sm); font-weight: var(--fw-semi);
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--c-muted);
}
.kicker::before { content: ""; width: 22px; height: 2px; background: var(--c-coral-500); border-radius: 2px; }
.section--dusk .kicker { color: var(--c-gold-400); }

/* ---- Type utilities ---- */
.text-balance { text-wrap: balance; }
.text-serif { font-family: var(--font-display); }
.text-grad { background: var(--g-coral); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: var(--fs-md); color: var(--c-ink-soft); }
.muted { color: var(--c-muted); }
.fw-semi { font-weight: var(--fw-semi); }

/* ---- Reveal-on-scroll (driven by IntersectionObserver in main.js) ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
  will-change: opacity, transform;
}
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal-delay="1"] { transition-delay: .08s; }
[data-reveal-delay="2"] { transition-delay: .16s; }
[data-reveal-delay="3"] { transition-delay: .24s; }
[data-reveal-delay="4"] { transition-delay: .32s; }

/* ---- Focus visibility (a11y) ---- */
:focus-visible { outline: 3px solid var(--c-saffron-300); outline-offset: 2px; border-radius: var(--r-sm); }

/* ---- Skip-to-content link (a11y) ---- */
.skip-link {
  position: absolute; left: 50%; top: -60px; transform: translateX(-50%);
  z-index: var(--z-overlay); background: var(--c-plum-900); color: #fff;
  padding: .7rem 1.2rem; border-radius: var(--r-pill); font-weight: var(--fw-semi);
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 10px; color: #fff; }

/* ---- Decorative divider ---- */
.om-divider { display: flex; align-items: center; justify-content: center; gap: .9rem; color: var(--c-gold-500); }
.om-divider::before, .om-divider::after { content: ""; height: 1px; width: 64px; background: linear-gradient(90deg, transparent, var(--c-gold-400)); }
.om-divider::after { background: linear-gradient(90deg, var(--c-gold-400), transparent); }