/* ==========================================================================
   HURU LINEN: Base styles
   Tokens, reset, typography, layout primitives, header, footer, buttons.
   Section-level components live in components.css; breakpoints in responsive.css.
   ========================================================================== */

:root {
  /* Palette: coconut, linen and sand lead; green is an accent only. */
  --color-coconut: #F5F1E8;
  --color-coconut-deep: #EEE7DA;
  --color-linen: #DDD3C2;
  --color-sand: #C9B99A;
  --color-palm: #66705A;
  --color-leaf: #587D60;          /* the green of the HURU wordmark */
  --color-deep-palm: #27352C;
  --color-brown: #5A4938;
  --color-ocean-mist: #D9E1DE;
  --color-ink: #2A2621;           /* body text: warm near-black */
  --color-ink-soft: #6B6259;      /* secondary text, AA on coconut */
  --color-rule: rgba(42, 38, 33, 0.14);
  --color-white: #FFFDF9;

  --font-serif: "Cormorant Garamond", "Cormorant", Garamond, "Times New Roman", serif;
  --font-sans: "Inter", "Helvetica Neue", Arial, system-ui, sans-serif;

  /* Fluid type scale */
  --text-xs: 0.6875rem;                               /* 11px labels */
  --text-sm: 0.8125rem;                               /* 13px */
  --text-base: 1rem;
  --text-lead: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  --text-h3: clamp(1.5rem, 1.2rem + 1vw, 2.125rem);
  --text-h2: clamp(2.25rem, 1.6rem + 2.6vw, 4.25rem);
  --text-h1: clamp(3rem, 2rem + 4.5vw, 7rem);
  --text-display: clamp(3.5rem, 1.5rem + 9vw, 11rem);

  --tracking-label: 0.22em;
  --container-width: 1440px;
  --container-narrow: 760px;
  --gutter: clamp(20px, 5vw, 80px);
  --section-space: clamp(96px, 14vw, 220px);
  --header-height: 84px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.45, 0, 0.2, 1);
  --duration-slow: 1.4s;
  --duration-base: 0.6s;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  background: var(--color-coconut);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, video, svg { display: block; max-width: 100%; }
picture { display: contents; }   /* the <img> inside lays out as if the wrapper weren't there */
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, h4, p, figure, blockquote, ul, ol { margin: 0; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
::selection { background: var(--color-linen); color: var(--color-ink); }

body.is-menu-open { overflow: hidden; }

/* ---------- Accessibility ---------- */
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 200;
  padding: 12px 20px; background: var(--color-deep-palm); color: var(--color-coconut);
  font-size: var(--text-sm); letter-spacing: 0.1em; text-transform: uppercase;
  transform: translateY(-160%); transition: transform 0.3s var(--ease-out);
}
.skip-link:focus { transform: none; }
:focus-visible { outline: 1px solid currentColor; outline-offset: 4px; }
:focus:not(:focus-visible) { outline: none; }

/* ---------- Typography ---------- */
.display, .heading-1, .heading-2, .heading-3, .serif {
  font-family: var(--font-serif);
  font-weight: 300;
  letter-spacing: -0.01em;
  line-height: 1.04;
}
.display { font-size: var(--text-display); letter-spacing: 0.02em; }
.heading-1 { font-size: var(--text-h1); }
.heading-2 { font-size: var(--text-h2); }
.heading-3 { font-size: var(--text-h3); line-height: 1.15; }
.heading-2 em, .heading-1 em, .heading-3 em, .serif em { font-style: italic; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  line-height: 1.5;
}
.eyebrow--muted { color: var(--color-ink-soft); }
.lead { font-size: var(--text-lead); line-height: 1.6; font-weight: 300; }
.body-copy p + p { margin-top: 1.25em; }
.body-copy { max-width: 34em; color: var(--color-ink); }
.muted { color: var(--color-ink-soft); }
.caption { font-size: var(--text-sm); color: var(--color-ink-soft); letter-spacing: 0.02em; }


/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: calc(var(--container-width) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: calc(var(--container-narrow) + var(--gutter) * 2); }
.section { padding-block: var(--section-space); }
.section--tight { padding-block: calc(var(--section-space) * 0.55); }
.section--linen { background: var(--color-coconut-deep); }
.section--sand { background: var(--color-linen); }
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(16px, 2.4vw, 40px);
}
.text-center { text-align: center; }
.rule { height: 1px; border: 0; margin: 0; background: var(--color-rule); }

/* The small leaf: the brand's only recurring ornament. */
.leaf { width: 22px; height: 22px; color: var(--color-leaf); }
.leaf--center { margin-inline: auto; }

/* ---------- Links & buttons ---------- */
.link-arrow {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding-block: 10px;
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}
.link-arrow::after {
  content: "";
  position: absolute; left: 0; bottom: 4px;
  width: calc(100% - 30px); height: 1px;
  background: currentColor;
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out);
}
.link-arrow:hover::after, .link-arrow:focus-visible::after { transform: scaleX(0.35); }
.link-arrow .arrow { width: 16px; height: 10px; transition: transform var(--duration-base) var(--ease-out); }
.link-arrow:hover .arrow, .link-arrow:focus-visible .arrow { transform: translateX(6px); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 52px;
  padding: 16px 38px;
  border: 1px solid currentColor;
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  transition: background-color var(--duration-base) var(--ease-out), color var(--duration-base) var(--ease-out), border-color var(--duration-base) var(--ease-out);
}
.button .arrow { width: 16px; height: 10px; transition: transform var(--duration-base) var(--ease-out); }
.button:hover .arrow, .button:focus-visible .arrow { transform: translateX(6px); }
.button--dark { background: var(--color-ink); border-color: var(--color-ink); color: var(--color-coconut); }
.button--dark:hover { background: var(--color-deep-palm); border-color: var(--color-deep-palm); }
.button--outline:hover { background: var(--color-ink); color: var(--color-coconut); border-color: var(--color-ink); }
.button--light { color: var(--color-white); }
.button--light:hover { background: var(--color-white); color: var(--color-ink); border-color: var(--color-white); }

/* Underline animation for text links in navigation and footer */
.underline-link { position: relative; }
.underline-link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: right;
  transition: transform var(--duration-base) var(--ease-out);
}
.underline-link:hover::after, .underline-link:focus-visible::after,
.underline-link[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }

/* ---------- Logo (CSS mask so one asset works in every colour) ---------- */
.logo-mark {
  display: block;
  aspect-ratio: 1200 / 357;
  background-color: currentColor;
  -webkit-mask: url("../assets/logo/huru-logo-mask.png") center / contain no-repeat;
          mask: url("../assets/logo/huru-logo-mask.png") center / contain no-repeat;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-height);
  color: var(--color-ink);
  transition: background-color 0.6s var(--ease-soft), color 0.6s var(--ease-soft), transform 0.6s var(--ease-out), height 0.6s var(--ease-out), box-shadow 0.6s var(--ease-soft);
}
.site-header::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 1px;
  background: var(--color-rule); opacity: 0; transition: opacity 0.6s var(--ease-soft);
}
/* Over a hero photograph: transparent, light text, soft top gradient for legibility */
.site-header--overlay { color: var(--color-white); }
.site-header--overlay::before {
  content: ""; position: absolute; inset: 0 0 -40px 0; pointer-events: none;
  background: linear-gradient(to bottom, rgba(20, 17, 13, 0.34), rgba(20, 17, 13, 0));
  transition: opacity 0.6s var(--ease-soft);
}
.site-header.is-solid { background: rgba(245, 241, 232, 0.96); color: var(--color-ink); height: 68px; }
@supports (backdrop-filter: blur(1px)) {
  .site-header.is-solid { background: rgba(245, 241, 232, 0.86); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
}
.site-header.is-solid::before { opacity: 0; }
.site-header.is-solid::after { opacity: 1; }
.site-header.is-hidden { transform: translateY(-100%); }

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.site-logo { display: inline-flex; align-items: baseline; gap: 12px; padding-block: 8px; }
.site-logo .logo-mark { width: 104px; transition: width 0.6s var(--ease-out); }
.site-header.is-solid .site-logo .logo-mark { width: 92px; }
.site-logo__sub {
  font-size: 0.625rem; letter-spacing: 0.42em; text-transform: uppercase; font-weight: 400;
  opacity: 0.8;
}

.site-nav__list { display: flex; align-items: center; gap: clamp(22px, 2.6vw, 44px); list-style: none; margin: 0; padding: 0; }
.site-nav__link {
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding-block: 8px;
}
.site-nav__divider { width: 1px; height: 14px; background: currentColor; opacity: 0.35; }

.menu-toggle {
  display: none;
  position: relative;
  width: 48px; height: 48px;
  margin-right: -12px;
}
.menu-toggle__line {
  position: absolute; left: 12px; right: 12px; height: 1px; background: currentColor;
  transition: transform 0.5s var(--ease-out), opacity 0.3s var(--ease-soft);
}
.menu-toggle__line:nth-child(1) { top: 20px; }
.menu-toggle__line:nth-child(2) { top: 28px; right: 20px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(2) { transform: translateY(-4px) rotate(-45deg); right: 12px; }

/* ---------- Mobile menu ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;               /* below the header, so the logo and close button stay on top */
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(var(--header-height) + 5vh) var(--gutter) 40px;
  background: var(--color-coconut);
  color: var(--color-ink);
  visibility: hidden;
  opacity: 0;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.8s var(--ease-out), opacity 0.4s var(--ease-soft), visibility 0s linear 0.8s;
}
.mobile-menu.is-open {
  visibility: visible; opacity: 1; clip-path: inset(0 0 0 0);
  transition: clip-path 0.8s var(--ease-out), opacity 0.4s var(--ease-soft), visibility 0s;
}
.mobile-menu__list { list-style: none; margin: 0; padding: 0; }
.mobile-menu__list li {
  border-bottom: 1px solid var(--color-rule);
  opacity: 0; transform: translateY(18px);
  transition: opacity 0.6s var(--ease-out), transform 0.8s var(--ease-out);
}
.mobile-menu.is-open .mobile-menu__list li { opacity: 1; transform: none; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(1) { transition-delay: 0.18s; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(2) { transition-delay: 0.24s; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(3) { transition-delay: 0.30s; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(4) { transition-delay: 0.36s; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(5) { transition-delay: 0.42s; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(6) { transition-delay: 0.48s; }
.mobile-menu__link {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 16px 0;
  font-family: var(--font-serif); font-weight: 300;
  font-size: clamp(2rem, 9vw, 3rem); line-height: 1.1;
}
.mobile-menu__link span { font-family: var(--font-sans); font-size: var(--text-xs); letter-spacing: 0.2em; color: var(--color-ink-soft); }
.mobile-menu__foot { display: grid; gap: 6px; font-size: var(--text-sm); color: var(--color-ink-soft); }
.mobile-menu__foot .serif { font-size: 1.375rem; color: var(--color-ink); font-style: italic; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-deep-palm);
  color: var(--color-coconut);
  padding-top: clamp(80px, 10vw, 140px);
  padding-bottom: 36px;
}
.site-footer a { color: inherit; }
.site-footer__top { align-items: start; row-gap: 56px; }
.site-footer__brand { grid-column: 1 / span 5; }
.site-footer__brand .logo-mark { width: 150px; color: var(--color-coconut); }
.site-footer__brand .serif { margin-top: 28px; font-size: 1.625rem; line-height: 1.3; font-style: italic; color: rgba(245, 241, 232, 0.86); }
.site-footer__col { grid-column: span 2; }
.site-footer__col:first-of-type { grid-column: 7 / span 2; }
.site-footer__heading { margin-bottom: 22px; color: rgba(245, 241, 232, 0.6); }
.site-footer__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: var(--text-sm); }
.site-footer__statement {
  margin-top: clamp(80px, 10vw, 150px);
  padding-block: 40px;
  border-top: 1px solid rgba(245, 241, 232, 0.16);
  font-family: var(--font-serif); font-weight: 300;
  font-size: clamp(1.75rem, 1rem + 3.4vw, 4.5rem);
  letter-spacing: 0.08em; line-height: 1.1; text-transform: uppercase;
  color: rgba(245, 241, 232, 0.92);
}
.site-footer__bottom {
  display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  padding-top: 24px; border-top: 1px solid rgba(245, 241, 232, 0.16);
  font-size: var(--text-xs); letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(245, 241, 232, 0.6);
}

/* ---------- Scroll reveal (only when JS is running, so content never hides without it) ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1.2s var(--ease-out), transform 1.4s var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

.js [data-reveal="image"] { opacity: 1; transform: none; clip-path: inset(8% 0 0 0); transition: clip-path 1.6s var(--ease-out); transition-delay: var(--reveal-delay, 0s); }
.js [data-reveal="image"] img, .js [data-reveal="image"] video { transform: scale(1.08); transition: transform 2.2s var(--ease-out); transition-delay: var(--reveal-delay, 0s); }
.js [data-reveal="image"].is-visible { clip-path: inset(0 0 0 0); }
.js [data-reveal="image"].is-visible img, .js [data-reveal="image"].is-visible video { transform: scale(1); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; transition-delay: 0s !important; }
  .js [data-reveal], .js [data-reveal="image"] { opacity: 1; transform: none; clip-path: none; }
  .js [data-reveal="image"] img, .js [data-reveal="image"] video { transform: none; }
}