/* =========================================================
   Base — reset, typography (Fraunces display + Inter Tight),
   container, sections, reveal primitives.
   ========================================================= */

/* ============ RESET ============ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

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

body {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--color-paper);
  color: var(--color-ink-2);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: var(--leading-base);
  font-feature-settings: "ss01", "cv11", "calt";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

input, button, textarea, select { font: inherit; color: inherit; }

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-editorial);
}
a:hover { color: var(--color-accent-hover); }

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

p, h1, h2, h3, h4, h5, h6 { overflow-wrap: break-word; }

::selection {
  background: var(--color-ink);
  color: var(--color-paper);
}

/* ============ TYPOGRAPHY ============
   Display = Fraunces (variable). Body/labels = Inter Tight.
*/

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-ink);
  font-weight: var(--weight-regular);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-display);
  font-variation-settings: var(--vf-display);
}

h1 {
  font-size: var(--text-3xl);
  line-height: var(--leading-display);
}
h2 {
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
}
h3 {
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-tight);
}
h4 {
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-tight);
}

@media (min-width: 768px) {
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-3xl); }
  h3 { font-size: var(--text-xl); }
}
@media (min-width: 1200px) {
  h1 { font-size: var(--text-5xl); }
  h2 { font-size: var(--text-4xl); }
}

p {
  color: var(--color-ink-2);
  line-height: var(--leading-relaxed);
}
p.lead {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-ink-2);
}
p.lead-display {
  font-family: var(--font-display);
  font-variation-settings: "opsz" 14, "SOFT" 100;
  font-size: var(--text-lg);
  line-height: var(--leading-snug);
  color: var(--color-ink);
  letter-spacing: -0.01em;
}
@media (min-width: 768px) {
  p.lead { font-size: var(--text-xl); }
  p.lead-display { font-size: var(--text-xl); }
}

strong { font-weight: var(--weight-semibold); color: var(--color-ink); }

/* ============ EDITORIAL LABELS ============ */
.label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: var(--text-2xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-ink-3);
  font-feature-settings: "tnum", "ss01";
}
.label--ink { color: var(--color-ink); }
.label--accent { color: var(--color-accent); }
.label--inverse { color: var(--color-inverse-muted); }

/* Section number — editorial outlined or filled */
.section-num {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--text-2xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-ink);
  font-feature-settings: "tnum";
}
.section-num::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background: currentColor;
  transform: translateY(-3px);
}
.section-num--inverse { color: var(--color-inverse-text); }

/* ============ FOCUS ============ */
:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ============ SKIP LINK ============ */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-ink);
  color: var(--color-paper);
  padding: 0.75rem 1rem;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  z-index: var(--z-modal);
  transition: top var(--duration-base) var(--ease-editorial);
}
.skip-link:focus { top: 1rem; color: var(--color-paper); }

/* ============ CONTAINER ============ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--container-padding);
}
.container--narrow { max-width: var(--container-narrow); }

/* ============ EDITORIAL GRID ============ */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gap);
}

/* ============ SECTION ============ */
.section {
  padding-block: var(--section-y);
  position: relative;
}
.section--tight { padding-block: var(--section-y-tight); }
.section--tall  { padding-block: var(--section-y-tall); }

.section--alt   { background: var(--color-paper-deep); }
.section--light { background: var(--color-paper-light); }
.section--ink   {
  background: var(--color-inverse-bg);
  color: var(--color-inverse-text);
}
.section--ink h1,
.section--ink h2,
.section--ink h3,
.section--ink h4 { color: var(--color-inverse-text); }
.section--ink p  { color: var(--color-inverse-muted); }
.section--ink .label { color: var(--color-inverse-muted); }

/* Hairline divider between sections */
.divider {
  border: 0;
  border-top: 1px solid var(--color-line);
  margin: 0;
}
.divider--ink { border-top-color: var(--color-inverse-line); }

/* ============ REVEAL PRIMITIVES ============ */
/* Word-level reveal: each word fades + lifts in sequence */
.reveal {
  opacity: 0;
  transform: translate3d(0, 18px, 0);
  transition: opacity var(--duration-slow) var(--ease-editorial),
              transform var(--duration-slow) var(--ease-editorial);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.reveal[data-delay="1"] { transition-delay: 80ms; }
.reveal[data-delay="2"] { transition-delay: 160ms; }
.reveal[data-delay="3"] { transition-delay: 240ms; }
.reveal[data-delay="4"] { transition-delay: 320ms; }
.reveal[data-delay="5"] { transition-delay: 400ms; }
.reveal[data-delay="6"] { transition-delay: 480ms; }

/* Word-split reveal for headlines */
.reveal-words { display: inline; }
.reveal-words .word {
  display: inline-block;
  opacity: 0;
  transform: translate3d(0, 0.6em, 0);
  transition: opacity var(--duration-slow) var(--ease-editorial),
              transform var(--duration-slow) var(--ease-editorial);
  will-change: opacity, transform;
}
.reveal-words.is-visible .word {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* Mask reveal — line that draws in */
.reveal-line {
  display: inline-block;
  position: relative;
  background: linear-gradient(currentColor, currentColor) no-repeat left bottom / 0 1px;
  transition: background-size var(--duration-slow) var(--ease-editorial);
  padding-bottom: 2px;
}
.reveal-line.is-visible { background-size: 100% 1px; }

/* Numerical scale-in */
.reveal-num {
  opacity: 0;
  transform: scale(0.9);
  transform-origin: left center;
  transition: opacity var(--duration-slow) var(--ease-editorial),
              transform var(--duration-slow) var(--ease-snap);
  will-change: opacity, transform;
}
.reveal-num.is-visible { opacity: 1; transform: scale(1); }

/* ============ HERO ENTRANCE ============ */
@keyframes hero-fade-up {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__title   { animation: hero-fade-up 0.9s var(--ease-editorial) 0.05s both; }
.hero__sub     { animation: hero-fade-up 0.8s var(--ease-editorial) 0.35s both; }
.hero__actions { animation: hero-fade-up 0.8s var(--ease-editorial) 0.6s  both; }

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  html { scroll-behavior: auto; }
  .reveal, .reveal-words .word, .reveal-num {
    opacity: 1 !important;
    transform: none !important;
  }
  .reveal-line { background-size: 100% 1px !important; }
}

/* ============ VISUALLY HIDDEN ============ */
.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;
}