/* Win Studio - système visuel partagé */

:root {
  --black: #1b1b1b;
  --white: #ffffff;
  --offwhite: #f6f6f6;
  --gray: #8a8a8a;
  --graytext: #444444;
  --accent: #b5502e;
  --accent-light: #d97a4f;
  --accent-tint: #f4e2d8;
  --serif: "Times New Roman", Times, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

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

/* ---- Nav ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
  mix-blend-mode: normal;
  transition: background 0.3s ease, padding 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  padding: 18px 48px;
  box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

.site-header .logo {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--black);
}
.site-header.on-dark:not(.is-scrolled) .logo { color: var(--white); }
.site-header .logo .w { font-style: italic; font-weight: 700; }

.site-nav {
  display: flex;
  gap: 32px;
  list-style: none;
}

.site-nav a {
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--black);
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, opacity 0.25s ease;
}
.site-header.on-dark:not(.is-scrolled) .site-nav a { color: var(--white); }
.site-nav a:hover { border-color: var(--accent); }
.site-nav a.is-active { border-color: var(--accent); }

.nav-toggle { display: none; }

/* ---- Footer ---- */
.site-footer {
  padding: 64px 48px 40px;
  border-top: 1px solid #ececec;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.site-footer .logo {
  font-family: var(--serif);
  font-size: 20px;
}
.site-footer .logo .w { font-style: italic; font-weight: 700; }
.footer-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.footer-links a {
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gray);
  transition: color 0.25s ease;
}
.footer-links a:hover { color: var(--accent); }
.footer-note {
  font-size: 12px;
  color: var(--gray);
  width: 100%;
  text-align: center;
  margin-top: 24px;
}

/* ---- Reveal animation ---- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(.16,.84,.44,1), transform 0.9s cubic-bezier(.16,.84,.44,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ---- Shared bits ---- */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 28px;
}
.kicker::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent);
}

.accent { color: var(--accent); font-style: italic; font-weight: 400; }

.rule {
  width: 90px;
  height: 1px;
  background: var(--accent);
  border: none;
}

.btn {
  display: inline-block;
  font-family: var(--serif);
  font-style: italic;
  font-size: 20px;
  color: var(--black);
  padding: 14px 0;
  border-bottom: 1px solid var(--black);
  transition: color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.btn:hover { color: var(--accent); border-color: var(--accent); transform: translateX(4px); }
.btn.on-dark { color: var(--white); border-color: var(--white); }
.btn.on-dark:hover { color: var(--accent-light); border-color: var(--accent-light); }

section { position: relative; }

.page-head {
  padding: 200px 48px 80px;
  max-width: 900px;
}
.page-head h1 {
  font-family: var(--serif);
  font-size: clamp(48px, 7vw, 84px);
  line-height: 1.05;
}

@media (max-width: 760px) {
  .site-header { padding: 20px 24px; }
  .site-nav {
    position: fixed;
    inset: 0;
    background: var(--white);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
    transform: translateX(100%);
    transition: transform 0.4s ease;
  }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav a { color: var(--black) !important; font-size: 18px; }
  .nav-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    z-index: 200;
    color: inherit;
  }
  .page-head { padding: 140px 24px 56px; }
  .site-footer { padding: 48px 24px 32px; flex-direction: column; align-items: flex-start; }
}