/* =========================================================================
   Wang Lik Wooden Development Limited
   Design system — ultra-minimal, premium timber export brand
   Design & build signature: HLZ
   ========================================================================= */

/* ----------  Design tokens  ---------- */
:root {
  /* Palette */
  --bone:       #FAF7F2;   /* page background */
  --cream:      #F1EADF;   /* alternate sections */
  --sand:       #E7DDCE;   /* swatch / borders */
  --ink:        #1B1815;   /* primary text */
  --ink-soft:   #5E564B;   /* secondary text */
  --ink-faint:  #908577;   /* eyebrows / meta */
  --walnut:     #8A6A47;   /* accent */
  --walnut-dk:  #6E5236;
  --white:      #FFFFFF;
  --line:       rgba(27, 24, 21, 0.12);
  --line-soft:  rgba(27, 24, 21, 0.07);

  /* Type */
  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans:  "Jost", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Rhythm */
  --container: 1280px;
  --gutter: clamp(1.5rem, 5vw, 6rem);
  --section: clamp(5rem, 11vw, 11rem);

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --slow: 0.9s;
}

/* ----------  Reset  ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bone);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

::selection { background: var(--walnut); color: var(--bone); }

/* ----------  Typography  ---------- */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.display {
  font-size: clamp(2.8rem, 7vw, 6.2rem);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.015em;
}
.h2 { font-size: clamp(2rem, 4.4vw, 3.6rem); font-weight: 300; }
.h3 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
.lead {
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
  line-height: 1.7;
  color: var(--ink-soft);
  font-weight: 300;
}
.serif-italic { font-family: var(--serif); font-style: italic; }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--walnut);
  display: inline-block;
}
.eyebrow.muted { color: var(--ink-faint); }

p + p { margin-top: 1.1em; }

/* ----------  Layout helpers  ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: var(--section); }
.section--tight { padding-block: clamp(3.5rem, 7vw, 6rem); }
.bg-cream { background: var(--cream); }
.bg-ink { background: var(--ink); color: var(--bone); }
.bg-ink h1, .bg-ink h2, .bg-ink h3 { color: var(--bone); }
.bg-ink .lead { color: rgba(250, 247, 242, 0.7); }

.rule { height: 1px; background: var(--line); border: 0; }
.measure { max-width: 42rem; }
.measure-sm { max-width: 32rem; }
.center { text-align: center; }
.mx-auto { margin-inline: auto; }

.grid { display: grid; gap: clamp(1.5rem, 3vw, 2.5rem); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }

.section-head { max-width: 46rem; margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.section-head .eyebrow { margin-bottom: 1.4rem; }
.section-head .h2 { margin-bottom: 1.2rem; }

/* ----------  Buttons & links  ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 1.1em 2.2em;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  transition: background var(--slow) var(--ease), color var(--slow) var(--ease),
              border-color var(--slow) var(--ease);
}
.btn:hover { background: var(--ink); color: var(--bone); }
.btn--solid { background: var(--ink); color: var(--bone); }
.btn--solid:hover { background: var(--walnut); border-color: var(--walnut); color: var(--white); }
.btn--light { border-color: rgba(250,247,242,.4); color: var(--bone); }
.btn--light:hover { background: var(--bone); color: var(--ink); border-color: var(--bone); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-size: 0.76rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
  position: relative;
}
.link-arrow .arw { transition: transform 0.5s var(--ease); }
.link-arrow:hover .arw { transform: translateX(6px); }
.link-arrow::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 1px;
  width: 0; background: var(--walnut); transition: width 0.6s var(--ease);
}
.link-arrow:hover::after { width: 100%; }

/* ----------  Header  ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.4rem var(--gutter);
  transition: background 0.5s var(--ease), padding 0.5s var(--ease),
              box-shadow 0.5s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(250, 247, 242, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding-block: 0.95rem;
  box-shadow: 0 1px 0 var(--line);
}
/* Light header text when sitting over the dark hero (homepage) */
.site-header.over-dark:not(.is-scrolled)::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(180deg, rgba(15,11,7,0.5), rgba(15,11,7,0));
}
.site-header.over-dark:not(.is-scrolled) .brand__name { color: var(--bone); }
.site-header.over-dark:not(.is-scrolled) .brand__sub { color: rgba(250,247,242,0.62); }
.site-header.over-dark:not(.is-scrolled) .brand__mark .ring { stroke: var(--bone); }
.site-header.over-dark:not(.is-scrolled) .nav a { color: var(--bone); }
.site-header.over-dark:not(.is-scrolled) .nav-toggle span { background: var(--bone); }
.brand { display: flex; align-items: center; gap: 0.75rem; z-index: 110; }
.brand__mark { width: 34px; height: 34px; flex: none; }
.brand__mark .ring { stroke: var(--ink); }
.brand__name {
  font-family: var(--serif);
  font-size: 1.32rem;
  letter-spacing: 0.12em;
  line-height: 1;
  text-transform: uppercase;
  color: var(--ink);
}
.brand__sub {
  display: block; font-family: var(--sans); font-size: 0.56rem;
  letter-spacing: 0.42em; text-transform: uppercase; color: var(--ink-faint);
  margin-top: 4px;
}

.nav { display: flex; align-items: center; gap: clamp(1.5rem, 2.6vw, 2.8rem); }
.nav a {
  font-size: 0.74rem; font-weight: 400; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink); position: relative; padding-block: 4px;
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--walnut); transition: width 0.5s var(--ease);
}
.nav a:hover::after, .nav a.is-active::after { width: 100%; }
.nav a.is-active { color: var(--walnut); }

.nav-toggle { display: none; width: 30px; height: 18px; position: relative; z-index: 110; }
.nav-toggle span {
  position: absolute; left: 0; height: 1.5px; width: 100%; background: var(--ink);
  transition: transform 0.45s var(--ease), opacity 0.3s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.nav-toggle span:nth-child(3) { bottom: 0; }
body.nav-open .nav-toggle span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* ----------  Hero  ---------- */
.hero {
  min-height: 100svh;
  display: flex; align-items: flex-end;
  padding: 0 var(--gutter) clamp(3rem, 7vw, 6rem);
  position: relative; overflow: hidden;
  background: #16110c center/cover no-repeat;
  background-image: url(../assets/img/hero.jpg);
}
.hero__scrim {
  position: absolute; inset: 0; z-index: 0;
  background:
    linear-gradient(94deg, rgba(15,11,7,0.9) 0%, rgba(15,11,7,0.6) 42%, rgba(15,11,7,0.2) 100%),
    linear-gradient(0deg, rgba(15,11,7,0.78) 0%, rgba(15,11,7,0) 55%);
}
.hero .display { color: var(--bone); }
.hero .lead { color: rgba(250,247,242,0.82); }
.hero .eyebrow { color: #e2c19a; }
.hero .link-arrow { color: var(--bone); }
.hero__scroll { color: rgba(250,247,242,0.72); }
.hero__inner { position: relative; z-index: 1; width: 100%; max-width: var(--container); margin-inline: auto; }
.hero__inner .eyebrow { margin-bottom: 1.8rem; }
.hero .display { max-width: 16ch; }
.hero__meta {
  margin-top: clamp(2.2rem, 4vw, 3.4rem);
  display: flex; flex-wrap: wrap; align-items: center; gap: 1.6rem 2.4rem;
}
.hero__scroll {
  position: absolute; right: var(--gutter); bottom: clamp(3rem, 7vw, 6rem);
  z-index: 1; writing-mode: vertical-rl;
  font-size: 0.66rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--ink-soft); display: flex; align-items: center; gap: 1rem;
}
.hero__scroll::after { content: ""; width: 1px; height: 54px; background: rgba(250,247,242,0.72); animation: scrollline 2.4s var(--ease) infinite; transform-origin: top; }
@keyframes scrollline { 0%,100%{transform:scaleY(.25);opacity:.4} 50%{transform:scaleY(1);opacity:1} }

/* Inner page hero (smaller) */
.pagehero {
  padding-top: clamp(9rem, 16vw, 13rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}
.pagehero .display { max-width: 18ch; }
.pagehero .eyebrow { margin-bottom: 1.6rem; }
.pagehero .lead { margin-top: 1.8rem; }

/* ----------  Wood placeholder visuals  ---------- */
.woodframe {
  position: relative; overflow: hidden;
  background: #241a12;
  aspect-ratio: 4 / 5;
}
.woodframe__img {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--slow) var(--ease);
}
.woodframe::before {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(0deg, rgba(18,13,8,0.55) 0%, rgba(18,13,8,0) 48%);
}
.woodframe::after {
  content: ""; position: absolute; inset: 12px; z-index: 1; border: 1px solid rgba(255,255,255,.3);
  pointer-events: none;
}
.woodframe--wide { aspect-ratio: 16 / 10; }
.woodframe--tall { aspect-ratio: 3 / 4; }
.woodframe--sq { aspect-ratio: 1 / 1; }
.woodframe__tag {
  position: absolute; left: 0; bottom: 0; z-index: 2;
  margin: 22px; color: rgba(255,255,255,.92);
}
.woodframe__tag .n { font-family: var(--serif); font-size: 1.45rem; line-height: 1.1; }
.woodframe__tag .s { font-size: 0.64rem; letter-spacing: 0.26em; text-transform: uppercase; opacity: .8; }

/* Wood tone variants */
.w-oak    { --w1:#d8c3a0; --w2:#b6976a; }
.w-walnut { --w1:#9c7650; --w2:#5f432a; }
.w-ash    { --w1:#ded2bd; --w2:#b9a988; }
.w-teak   { --w1:#c79a64; --w2:#8a5e30; }
.w-cherry { --w1:#bf8a63; --w2:#7e4d31; }
.w-ebony  { --w1:#5a4d41; --w2:#2c241d; }

/* ----------  Cards  ---------- */
.collection { display: block; }
.collection:hover .woodframe__img { transform: scale(1.05); }
.collection__meta { display: flex; justify-content: space-between; align-items: baseline; margin-top: 1.2rem; gap: 1rem; }
.collection__title { font-family: var(--serif); font-size: 1.5rem; }
.collection__no { font-size: 0.72rem; letter-spacing: 0.2em; color: var(--ink-faint); }
.collection__desc { color: var(--ink-soft); font-size: 0.92rem; margin-top: 0.4rem; }

/* Feature split (image + text) */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.split--reverse .split__media { order: 2; }
.split__body { max-width: 34rem; }
.split__body .eyebrow { margin-bottom: 1.3rem; }
.split__body .h2 { margin-bottom: 1.4rem; }

/* ----------  Stat band  ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: clamp(1.5rem,3vw,2.5rem) 0; border-top: 1px solid var(--line); }
.stat__n { font-family: var(--serif); font-size: clamp(2.6rem, 5vw, 4rem); line-height: 1; font-weight: 300; }
.stat__l { display: block; margin-top: 0.7rem; font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-faint); }

/* ----------  Material swatches  ---------- */
.swatch { }
.swatch__chip { aspect-ratio: 5/4; border-radius: 2px; background: #241a12 center/cover no-repeat; }
.swatch__chip.w-oak    { background-image: url(../assets/img/wood-oak.jpg); }
.swatch__chip.w-walnut { background-image: url(../assets/img/wood-walnut.jpg); }
.swatch__chip.w-ash    { background-image: url(../assets/img/wood-ash.jpg); }
.swatch__chip.w-teak   { background-image: url(../assets/img/wood-teak.jpg); }
.swatch__chip.w-cherry { background-image: url(../assets/img/wood-cherry.jpg); }
.swatch__chip.w-ebony  { background-image: url(../assets/img/wood-smoked.jpg); }
.swatch__name { font-family: var(--serif); font-size: 1.15rem; margin-top: 0.9rem; }
.swatch__sci { font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); margin-top: 0.2rem; }

/* ----------  Process steps  ---------- */
.steps { counter-reset: step; }
.step {
  display: grid; grid-template-columns: auto 1fr; gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: clamp(1.8rem, 3.5vw, 2.8rem) 0; border-top: 1px solid var(--line);
  align-items: start;
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step__no { counter-increment: step; font-family: var(--serif); font-size: clamp(1.6rem,3vw,2.4rem); color: var(--walnut); font-weight: 300; min-width: 3ch; }
.step__no::before { content: counter(step, decimal-leading-zero); }
.step__title { font-family: var(--serif); font-size: clamp(1.3rem,2.2vw,1.8rem); margin-bottom: 0.6rem; }
.step__body { color: var(--ink-soft); max-width: 44rem; }

/* ----------  Timeline  ---------- */
.timeline { border-top: 1px solid var(--line); }
.tl-item { display: grid; grid-template-columns: 8rem 1fr; gap: clamp(1.5rem,4vw,3rem);
  padding: clamp(1.6rem,3vw,2.4rem) 0; border-bottom: 1px solid var(--line); }
.tl-year { font-family: var(--serif); font-size: 1.7rem; color: var(--walnut); }
.tl-title { font-family: var(--serif); font-size: 1.25rem; margin-bottom: 0.4rem; }
.tl-body { color: var(--ink-soft); }

/* ----------  Value cards  ---------- */
.value { padding-top: 1.8rem; border-top: 1px solid var(--ink); }
.value__no { font-size: 0.72rem; letter-spacing: 0.2em; color: var(--walnut); }
.value__title { font-family: var(--serif); font-size: 1.6rem; margin: 1rem 0 0.8rem; }
.value__body { color: var(--ink-soft); font-size: 0.95rem; }

/* ----------  Marquee strip  ---------- */
.marquee { overflow: hidden; border-block: 1px solid var(--line); padding-block: 1.4rem; }
.marquee__track { display: flex; gap: 4rem; white-space: nowrap; width: max-content; animation: marquee 38s linear infinite; }
.marquee__track span { font-family: var(--serif); font-size: clamp(1.4rem,3vw,2.4rem); color: var(--ink-faint); font-style: italic; }
.marquee__track span::after { content: "—"; margin-left: 4rem; color: var(--walnut); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ----------  Contact  ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem,6vw,6rem); }
.field { margin-bottom: 1.8rem; }
.field label { display: block; font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 0.7rem; }
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--sans); font-size: 1rem; font-weight: 300;
  color: var(--ink); background: transparent; border: none;
  border-bottom: 1px solid var(--line); padding: 0.7rem 0; transition: border-color .4s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--walnut); }
.field textarea { resize: vertical; min-height: 6rem; }
.info-row { display: grid; grid-template-columns: 8rem 1fr; gap: 1.5rem; padding: 1.4rem 0; border-top: 1px solid var(--line); }
.info-row:last-child { border-bottom: 1px solid var(--line); }
.info-row dt { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-faint); padding-top: 0.3rem; }
.info-row dd { font-size: 1.05rem; line-height: 1.6; }
.info-row dd a:hover { color: var(--walnut); }

/* ----------  CTA band  ---------- */
.cta { text-align: center; }
.cta .h2 { margin-bottom: 2rem; max-width: 20ch; margin-inline: auto; }

/* ----------  Footer  ---------- */
.site-footer { background: var(--ink); color: rgba(250,247,242,.7); padding-top: clamp(4rem,8vw,6rem); }
.site-footer a { color: rgba(250,247,242,.7); transition: color .4s var(--ease); }
.site-footer a:hover { color: var(--bone); }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.4fr; gap: clamp(2rem,4vw,3rem); padding-bottom: clamp(3rem,6vw,4.5rem); }
.footer-brand .brand__name { color: var(--bone); }
.footer-brand .brand__mark .ring { stroke: var(--bone); }
.footer-brand p { margin-top: 1.4rem; max-width: 26rem; font-size: 0.92rem; }
.footer-col h4 { font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 1.4rem; font-weight: 400; }
.footer-col li { margin-bottom: 0.85rem; font-size: 0.92rem; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding-block: 2rem; border-top: 1px solid rgba(250,247,242,.12); font-size: 0.74rem; letter-spacing: 0.04em; color: var(--ink-faint); }

/* ----------  Scroll reveal  ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }

/* ----------  Responsive  ---------- */
@media (max-width: 980px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav {
    position: fixed; inset: 0; z-index: 105;
    flex-direction: column; align-items: flex-start; justify-content: center;
    gap: 1.6rem; padding: var(--gutter);
    background: var(--bone);
    transform: translateX(100%); transition: transform 0.6s var(--ease);
  }
  body.nav-open .nav { transform: none; }
  body.nav-open .site-header.over-dark:not(.is-scrolled) .nav a { color: var(--ink); }
  body.nav-open .site-header.over-dark:not(.is-scrolled) .nav-toggle span { background: var(--ink); }
  .nav a { font-size: 1.6rem; font-family: var(--serif); letter-spacing: 0.04em; text-transform: none; }
  .nav a::after { display: none; }
  .nav-toggle { display: block; }
  .split, .contact-grid { grid-template-columns: 1fr; gap: clamp(2rem,6vw,3rem); }
  .split--reverse .split__media { order: 0; }
  .cols-3, .cols-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(-n+2) { } /* keep top border on first row */
}
@media (max-width: 560px) {
  .cols-2, .cols-3, .cols-4 { grid-template-columns: 1fr; }
  .tl-item { grid-template-columns: 1fr; gap: 0.5rem; }
  .step { grid-template-columns: 1fr; gap: 0.6rem; }
  .info-row { grid-template-columns: 1fr; gap: 0.4rem; }
  .footer-top { grid-template-columns: 1fr; }
  .hero__scroll { display: none; }
}

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