/* ============================================================
   SHARED BASE — four_sites
   Theme-driven via CSS custom properties (set per site in styles.css)
   ============================================================ */

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

:root {
  --bg: #ffffff;
  --bg-alt: #f4f4f4;
  --fg: #111111;
  --muted: #6b6b6b;
  --accent: #e23b2e;
  --accent-2: #111111;
  --border: rgba(0, 0, 0, 0.12);
  --card: #ffffff;
  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1240px;
  --gutter: clamp(20px, 5vw, 64px);
  --font-head: "Manrope", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --shadow: 0 24px 60px -28px rgba(0, 0, 0, 0.35);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  font-size: 17px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.04;
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.02em;
}

p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(64px, 9vw, 140px);
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
}

.h-display {
  font-size: clamp(40px, 7.5vw, 104px);
  line-height: 0.96;
  letter-spacing: -0.03em;
}
.h-section {
  font-size: clamp(30px, 4.6vw, 60px);
}
.lead {
  font-size: clamp(17px, 1.6vw, 21px);
  color: var(--muted);
  max-width: 60ch;
}

/* ---------- Buttons ---------- */
.btn {
  --pad-y: 16px;
  --pad-x: 30px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: var(--pad-y) var(--pad-x);
  border-radius: 100px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.35s var(--ease), background 0.3s, color 0.3s, box-shadow 0.3s;
  will-change: transform;
}
.btn:hover { transform: translateY(-3px); }
.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 18px 40px -18px var(--accent);
}
.btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--fg);
}
.btn--ghost:hover { border-color: var(--fg); }
.btn .arrow { transition: transform 0.35s var(--ease); }
.btn:hover .arrow { transform: translateX(5px); }

/* ---------- Header / nav ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 80;
  padding-block: 18px;
  transition: background 0.4s, padding 0.4s, box-shadow 0.4s, backdrop-filter 0.4s;
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  padding-block: 12px;
  box-shadow: 0 1px 0 var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
}
.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-weight: 600;
  font-size: 15px;
}
.nav-links a {
  position: relative;
  padding: 4px 0;
  color: var(--fg);
  opacity: 0.85;
  transition: opacity 0.25s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.nav-links a:hover { opacity: 1; }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-cta { display: inline-flex; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
  z-index: 2;
}
.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--fg);
  transition: transform 0.35s var(--ease), opacity 0.3s;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: clamp(20px, 4vw, 56px);
}
.stat__num {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(38px, 5.5vw, 72px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--accent);
}
.stat__label {
  margin-top: 10px;
  color: var(--muted);
  font-size: 15px;
  max-width: 22ch;
}

/* ---------- Cards grid ---------- */
.grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 30px);
}
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(24px, 3vw, 38px);
  transition: transform 0.5s var(--ease), box-shadow 0.5s, border-color 0.4s;
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
}
.card h3 { font-size: 22px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15.5px; margin: 0; }
.card__index {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}

/* ---------- Gallery (zoomable, never cropped in lightbox) ---------- */
.gallery {
  columns: 3;
  column-gap: clamp(14px, 1.6vw, 22px);
}
.gallery__item {
  break-inside: avoid;
  margin-bottom: clamp(14px, 1.6vw, 22px);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  cursor: zoom-in;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  display: block;
}
.gallery__item img {
  width: 100%;
  height: auto;
  transition: transform 0.7s var(--ease), filter 0.5s;
}
.gallery__item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, color-mix(in srgb, var(--accent) 70%, transparent));
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.gallery__item:hover img { transform: scale(1.04); }
.gallery__item:hover::after { opacity: 0.32; }
.gallery__zoom {
  position: absolute;
  right: 14px; bottom: 14px;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  color: #111;
  display: grid;
  place-items: center;
  opacity: 0;
  transform: scale(0.7);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
  pointer-events: none;
  box-shadow: 0 8px 22px rgba(0,0,0,0.25);
}
.gallery__item:hover .gallery__zoom { opacity: 1; transform: scale(1); }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 12, 0.94);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0.4s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox__img {
  max-width: 92vw;
  max-height: 86vh;
  width: auto;
  height: auto;
  object-fit: contain;        /* full image, never cropped */
  border-radius: 8px;
  box-shadow: 0 40px 120px rgba(0,0,0,0.6);
  transform: scale(0.96);
  transition: transform 0.45s var(--ease);
  cursor: grab;
}
.lightbox.is-open .lightbox__img { transform: scale(1); }
.lightbox__caption {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.82);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-align: center;
  padding: 8px 16px;
  background: rgba(0,0,0,0.4);
  border-radius: 100px;
}
.lightbox__btn {
  position: absolute;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.22);
  color: #fff;
  width: 54px; height: 54px;
  border-radius: 50%;
  font-size: 22px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background 0.25s, transform 0.25s;
}
.lightbox__btn:hover { background: rgba(255,255,255,0.22); transform: scale(1.07); }
.lightbox__close { top: 22px; right: 22px; }
.lightbox__prev { left: 2vw; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 2vw; top: 50%; transform: translateY(-50%); }
.lightbox__prev:hover, .lightbox__next:hover { transform: translateY(-50%) scale(1.07); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--accent-2);
  color: #fff;
  padding-block: clamp(56px, 7vw, 100px) 40px;
}
.site-footer a { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.footer-bottom {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.16);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 14px;
  opacity: 0.7;
}

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-reveal="left"] { transform: translateX(-40px); }
.reveal[data-reveal="right"] { transform: translateX(40px); }
.reveal[data-reveal="scale"] { transform: scale(0.92); }
.reveal.is-visible[data-reveal] { transform: none; }
[data-delay="1"] { transition-delay: 0.08s; }
[data-delay="2"] { transition-delay: 0.16s; }
[data-delay="3"] { transition-delay: 0.24s; }
[data-delay="4"] { transition-delay: 0.32s; }
[data-delay="5"] { transition-delay: 0.4s; }
[data-delay="6"] { transition-delay: 0.48s; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: 0.01ms !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  border-block: 1px solid var(--border);
  padding-block: 22px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track {
  display: inline-flex;
  gap: 48px;
  animation: marquee 28s linear infinite;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 40px);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.marquee__track span { opacity: 0.85; }
.marquee__track span::after {
  content: "✦";
  margin-left: 48px;
  color: var(--accent);
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .gallery { columns: 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav-links {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
    font-size: 24px;
    background: var(--bg);
    transform: translateX(100%);
    transition: transform 0.5s var(--ease);
  }
  .nav-links.is-open { transform: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .gallery { columns: 1; }
  .lightbox__prev { left: 10px; }
  .lightbox__next { right: 10px; }
}