/* ==========================================================================
   SUNNY inc. — base
   Design tokens, global reset, header / mobile menu / footer.
   Source: Claude Design "SUNNY site design"
   ========================================================================== */

:root {
  --sn-ink: #17191c;
  --sn-paper: #f3f1ed;
  --sn-mute: #e7e4dd;
  --sn-accent: #8a6a30;              /* oklch(0.52 0.12 62) fallback */
  --sn-accent-lt: #d7a45a;           /* oklch(0.78 0.12 70) fallback */
  --sn-link: #2e56d6;                /* oklch(0.52 0.18 258) fallback */
  --sn-link-lt: #8fa9f2;             /* oklch(0.78 0.14 258) fallback */
  --sn-warn: #e08b5a;                /* oklch(0.78 0.15 40) fallback */

  --sn-rule: rgba(23, 25, 28, 0.09);
  --sn-rule-strong: rgba(23, 25, 28, 0.14);
  --sn-border: rgba(23, 25, 28, 0.22);
  --sn-ink-35: rgba(23, 25, 28, 0.35);
  --sn-ink-50: rgba(23, 25, 28, 0.5);
  --sn-ink-62: rgba(23, 25, 28, 0.62);
  --sn-ink-68: rgba(23, 25, 28, 0.68);
  --sn-ink-72: rgba(23, 25, 28, 0.72);

  --sn-paper-14: rgba(243, 241, 237, 0.14);
  --sn-paper-28: rgba(243, 241, 237, 0.28);
  --sn-paper-50: rgba(243, 241, 237, 0.5);
  --sn-paper-55: rgba(243, 241, 237, 0.55);
  --sn-paper-70: rgba(243, 241, 237, 0.7);
  --sn-paper-75: rgba(243, 241, 237, 0.75);

  --sn-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sn-sans: "Instrument Sans", "Zen Kaku Gothic New", sans-serif;

  --sn-gutter: clamp(18px, 3.4vw, 44px);
  --sn-section-y: clamp(76px, 9vw, 144px);
  --sn-maxw: 1320px;
  --sn-header-h: 68px;
}

@supports (color: oklch(0.5 0.1 250)) {
  :root {
    --sn-accent: oklch(0.52 0.12 62);
    --sn-accent-lt: oklch(0.78 0.12 70);
    --sn-link: oklch(0.52 0.18 258);
    --sn-link-lt: oklch(0.78 0.14 258);
    --sn-warn: oklch(0.78 0.15 40);
  }
}

/* --- global -------------------------------------------------------------- */

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

html { scroll-behavior: smooth; scroll-padding-top: var(--sn-header-h); }

body {
  margin: 0;
  background: var(--sn-paper);
  color: var(--sn-ink);
  font-family: var(--sn-sans);
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
  overflow-x: hidden;
}

a { color: var(--sn-ink); text-decoration: none; }
a:hover { color: var(--sn-link); }
img, video { max-width: 100%; }
input, textarea, button { font-family: inherit; }
::selection { background: var(--sn-link); color: #fff; }

:focus-visible { outline: 2px solid var(--sn-link); outline-offset: 3px; }

.sn-sr {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap;
}

/* shared section furniture */
.sn-eyebrow {
  font-family: var(--sn-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--sn-accent);
}
.sn-h2 {
  margin: 0;
  font-size: clamp(28px, 3.6vw, 50px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.08;
}
.sn-sub {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--sn-ink-62);
}
.sn-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--sn-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  padding: 14px 22px;
  border: 1px solid var(--sn-border);
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.sn-btn-outline:hover,
.sn-btn-outline:focus-visible {
  background: var(--sn-ink);
  color: #fff;
  border-color: var(--sn-ink);
}
.sn-btn-outline:hover .sn-invert-on-hover,
.sn-btn-outline:focus-visible .sn-invert-on-hover { filter: invert(1); }

@keyframes sn-fade { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes sn-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes sn-marquee-rev { from { transform: translateX(-50%); } to { transform: translateX(0); } }
@keyframes sn-cue { 0%, 100% { transform: translateY(0); opacity: 0.5; } 50% { transform: translateY(7px); opacity: 1; } }

/* --- header -------------------------------------------------------------- */

.sn-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 var(--sn-gutter);
  height: var(--sn-header-h);
  background: rgba(243, 241, 237, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--sn-rule);
}

/* On the top page the bar only appears once the hero is scrolled past. */
.sn-header--reveal {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.45s cubic-bezier(0.22, 0.61, 0.36, 1), opacity 0.35s ease;
}
.sn-header--reveal.is-shown { transform: translateY(0); opacity: 1; pointer-events: auto; }

.sn-header__logo { display: flex; align-items: center; gap: 10px; flex: none; }
.sn-header__logo img { height: 30px; width: auto; display: block; }

.sn-nav { display: flex; align-items: center; gap: clamp(14px, 2.1vw, 28px); }
.sn-nav a { font-size: 11px; font-weight: 500; letter-spacing: 0.14em; }
.sn-nav__ig {
  display: flex; align-items: center; justify-content: center;
  width: 22px; height: 22px;
}
.sn-nav__ig img { width: 18px; height: 18px; display: block; }

/* --- language switch ----------------------------------------------------- */

.sn-lang { display: flex; align-items: center; gap: 10px; }
.sn-lang__sep { font-family: var(--sn-mono); font-size: 10px; color: var(--sn-ink-35); }
.sn-lang button {
  background: transparent;
  border: none;
  border-bottom: 1.5px solid transparent;
  color: var(--sn-ink-50);
  font-family: var(--sn-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  padding: 4px 0;
  cursor: pointer;
}
.sn-lang button[aria-pressed="true"] {
  color: var(--sn-ink);
  font-weight: 500;
  border-bottom-color: var(--sn-ink);
}

/* --- mobile menu --------------------------------------------------------- */

.sn-burger {
  flex: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  padding: 0 9px;
  background: none; border: none; cursor: pointer;
}
.sn-burger span { display: block; height: 1.5px; background: var(--sn-ink); }

.sn-menu {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: var(--sn-ink);
  display: flex;
  flex-direction: column;
  animation: sn-fade 0.2s ease-out;
}
.sn-menu[hidden] { display: none; }
.sn-menu__bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px;
  padding: 0 var(--sn-gutter);
  height: var(--sn-header-h);
  border-bottom: 1px solid var(--sn-paper-14);
}
.sn-menu__bar img { height: 30px; width: auto; display: block; }
.sn-menu__close {
  background: none;
  border: 1px solid var(--sn-paper-28);
  color: var(--sn-paper);
  font-family: var(--sn-mono);
  font-size: 10px; letter-spacing: 0.16em;
  padding: 12px 15px; min-height: 44px; cursor: pointer;
}
.sn-menu nav {
  flex: 1;
  display: flex; flex-direction: column; justify-content: center;
  gap: 2px;
  padding: 24px var(--sn-gutter);
  overflow-y: auto;
}
.sn-menu nav a {
  display: flex; align-items: baseline; gap: 12px;
  color: var(--sn-paper);
  padding: 11px 0;
  font-size: 26px; font-weight: 500; letter-spacing: -0.02em;
}
.sn-menu__foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
  padding: 22px var(--sn-gutter);
  border-top: 1px solid var(--sn-paper-14);
}
.sn-menu__foot span { font-size: 11px; color: var(--sn-paper-50); }

.sn-ig-link {
  display: flex; align-items: center; gap: 9px;
  font-family: var(--sn-mono);
  font-size: 10px; letter-spacing: 0.16em;
  color: rgba(243, 241, 237, 0.8);
}
.sn-ig-link img { width: 16px; height: 16px; display: block; filter: invert(1); }
.sn-ig-link:hover { color: #fff; }

/* the design switches the header layout at 860px */
.sn-lang-mobile { display: flex; align-items: center; gap: 8px; }

@media (max-width: 859px) {
  .sn-nav { display: none; }
}
@media (min-width: 860px) {
  .sn-lang-mobile { display: none; }
  .sn-menu { display: none !important; }
}

/* --- footer -------------------------------------------------------------- */

.sn-footer {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
  padding: 30px var(--sn-gutter);
  background: var(--sn-ink);
  border-top: 1px solid rgba(243, 241, 237, 0.12);
}
.sn-footer__brand { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.sn-footer__brand img { height: 26px; width: auto; display: block; opacity: 0.8; }
.sn-footer__brand span { font-size: 11px; letter-spacing: 0.04em; color: var(--sn-paper-50); }
.sn-footer .sn-ig-link { color: var(--sn-paper-75); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}