/* Construction SKAF — main.css
   Tokens · Reset · Base · Layout · Surfaces · Reveals · Preloader
   ================================================================ */

/* ===== TOKENS ===== */
:root {
  --ink:          oklch(15% 0.01 80);
  --ink-soft:     oklch(22% 0.012 80);
  --ink-border:   oklch(28% 0.01 80);
  --cream:        oklch(96.5% 0.012 85);
  --cream-alt:    oklch(93% 0.014 85);
  --cream-border: oklch(88% 0.012 85);
  --yellow:       oklch(72% 0.10 85);
  --yellow-deep:  oklch(63% 0.12 85);
  --yellow-faint: oklch(96% 0.025 85);
  --text-dark:    oklch(20% 0.015 80);
  --text-light:   oklch(96% 0.008 85);
  --muted-dark:   oklch(50% 0.012 80);
  --muted-light:  oklch(70% 0.01 85);

  --font-display: 'Cormorant Garamond', Georgia, serif; /* h1/h2 editorial headlines only */
  --font-heading: 'Manrope', system-ui, sans-serif;    /* UI, nav, cards, trust, body */
  --font-body:    'Manrope', system-ui, sans-serif;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  clamp(1.375rem, 2.5vw, 1.75rem);
  --text-3xl:  clamp(1.75rem, 3vw, 2.5rem);
  --text-4xl:  clamp(2.5rem, 4.5vw, 4.25rem);
  --text-hero: clamp(3.25rem, 6.5vw, 7rem);

  --container:        min(90%, 1720px);
  --container-narrow: min(90%, 820px);
  --section-y:        clamp(5rem, 9vw, 9rem);
  --section-y-sm:     clamp(3rem, 5vw, 5rem);
  --navbar-h:         72px;

  --radius-sm: 1px;
  --radius:    1px;
  --radius-lg: 2px;

  --shadow-card:       0 2px 16px oklch(15% 0.01 80 / 0.07);
  --shadow-card-hover: 0 8px 40px oklch(15% 0.01 80 / 0.14);

  --ease-out:     cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-premium: cubic-bezier(0.84, 0.01, 0.18, 1);
  --dur-fast:  200ms;
  --dur-base:  350ms;
  --dur-slow:  600ms;
  --dur-xslow: 800ms;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img, video, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; background: none; border: none; }
h1, h2, h3, h4, h5, h6 { font-weight: inherit; line-height: 1.2; }

/* ===== BASE ===== */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--text-dark);
  background: var(--cream);
}

body.is-loading { overflow: hidden; }

/* ===== LAYOUT ===== */
.container {
  width: var(--container);
  margin-inline: auto;
}

.container--narrow {
  width: var(--container-narrow);
  margin-inline: auto;
}

/* ===== SURFACES ===== */
.surface-dark {
  background: var(--ink);
  color: var(--text-light);
}

.surface-light {
  background: var(--cream);
  color: var(--text-dark);
}

.surface-alt {
  background: var(--cream-alt);
  color: var(--text-dark);
}

.surface-ink-soft {
  background: var(--ink-soft);
  color: var(--text-light);
}

/* ===== SECTIONS ===== */
.section {
  padding-block: var(--section-y);
}

.section--sm {
  padding-block: var(--section-y-sm);
}

/* ===== SECTION LABEL (line + small caps) ===== */
.section-label {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 1.25rem;
}

.section-label__rule {
  width: 2.25rem;
  height: 1.5px;
  background: var(--yellow);
  flex-shrink: 0;
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.55s var(--ease-out) 0.15s;
}

.reveal.visible .section-label__rule,
.section-label.visible .section-label__rule {
  transform: scaleX(1);
}

.section-label__text {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.6;
}

/* ===== SECTION TITLE / INTRO ===== */
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.section-title--large {
  font-size: var(--text-hero);
}

.section-intro {
  font-size: var(--text-lg);
  line-height: 1.7;
  max-width: 58ch;
  color: var(--muted-dark);
}

.surface-dark .section-intro,
.surface-ink-soft .section-intro {
  color: var(--muted-light);
}

.section-header {
  display: grid;
  gap: 1rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-header--row {
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 2rem;
}

/* ===== ACCENT / UTILITIES ===== */
.accent-yellow { color: var(--yellow); }

.u-yellow-rule {
  display: block;
  width: 3rem;
  height: 3px;
  background: var(--yellow);
  border-radius: 1px;
  margin-block: 1.5rem;
}

/* ===== IMAGE FRAME ===== */
.img-frame {
  position: relative;
  overflow: hidden;
  background: var(--ink-soft);
}

.img-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}

/* ===== GRID UTILITIES ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1rem, 2vw, 1.75rem);
}

/* ===== REVEALS ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--fade            { transform: none; }
.reveal--left            { transform: translateX(-32px); }
.reveal--right           { transform: translateX(32px); }
.reveal--left.visible,
.reveal--right.visible   { transform: translateX(0); }

/* Cards: combine lift with a subtle scale for depth */
.reveal--scale {
  transform: translateY(24px) scale(0.97);
}
.reveal--scale.visible {
  transform: translateY(0) scale(1);
}

/* Photos/media: deeper travel, premium easing, slower */
.reveal--image {
  transform: translateY(48px);
  transition:
    opacity 0.85s var(--ease-premium),
    transform 0.85s var(--ease-premium);
}
.reveal--image.visible {
  transform: translateY(0);
}

@keyframes rule-draw { to { transform: scaleX(1); } }

/* ===== PRELOADER ===== */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1.75rem;
  transition: transform var(--dur-xslow) var(--ease-premium);
  pointer-events: none;
}

.preloader--exit {
  transform: translateY(-100%);
}

.preloader__logo {
  opacity: 0;
  animation: preloader-fade-in 0.5s var(--ease-out) 0.15s forwards;
}

.preloader__logo img {
  position: static;
  inset: auto;
  width: clamp(140px, 18vw, 220px);
  height: auto;
  object-fit: contain;
}

.preloader__bar {
  width: min(260px, 60vw);
  height: 2px;
  background: var(--ink-border);
  border-radius: 1px;
  overflow: hidden;
}

.preloader__bar-fill {
  height: 100%;
  background: var(--yellow);
  width: 0;
  animation: preloader-bar 1.6s var(--ease-out) 0.3s forwards;
}

@keyframes preloader-fade-in { to { opacity: 1; } }
@keyframes preloader-bar     { to { width: 100%; } }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }

  .section-header--row { grid-template-columns: 1fr; }

  :root { --section-y: clamp(4rem, 8vw, 6rem); }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .section-label__rule { transform: scaleX(1); }
  .hero__eyebrow { opacity: 1; transform: none; }
  .hero__eyebrow-rule { transform: scaleX(1); }

  .preloader { display: none; }

  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}