/* ============================================================
   CH Flooring — site styles
   Warm wood-tone palette, editorial typography.
   ============================================================ */

:root {
  --ink:        #1a1410;
  --ink-soft:   #4a3c30;
  --muted:      #7a6b5d;
  --bone:       #faf7f2;
  --cream:      #f4ede2;
  --line:       #e6dccd;
  --line-soft:  #efe8db;
  --accent:     #b8855a;
  --accent-dk:  #8a5a32;
  --accent-soft:#e3cdb3;
  --shadow-sm:  0 1px 2px rgba(26, 20, 16, .06), 0 2px 6px rgba(26, 20, 16, .04);
  --shadow-md:  0 6px 24px rgba(26, 20, 16, .10), 0 2px 6px rgba(26, 20, 16, .06);
  --shadow-lg:  0 18px 60px rgba(26, 20, 16, .18);

  --max:        1240px;
  --gutter:     clamp(1.5rem, 3.5vw, 2.5rem);
  --radius:     6px;
  --radius-lg:  14px;

  --serif: 'Cormorant Garamond', 'Playfair Display', Georgia, 'Times New Roman', serif;
  --sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --ease:       cubic-bezier(.22, .61, .36, 1);
  --ease-out:   cubic-bezier(.16, 1, .3, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-soft);
  background: var(--bone);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font: inherit; }
h1, h2, h3, h4 { color: var(--ink); margin: 0; font-weight: 500; letter-spacing: -.01em; }

/* ---------- typography ---------- */
.serif       { font-family: var(--serif); font-weight: 400; }
.eyebrow {
  display: inline-block;
  font-family: var(--sans);
  font-size: .75rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent-dk);
  font-weight: 600;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--accent-dk);
  vertical-align: middle;
  margin-right: .8rem;
  transform: translateY(-2px);
}

.section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--ink);
  margin: .6rem 0 1rem;
}
.section-title em { font-style: italic; color: var(--accent-dk); }

.lede {
  font-size: clamp(1.0625rem, 1.4vw, 1.1875rem);
  color: var(--ink-soft);
  max-width: 60ch;
  line-height: 1.65;
}

/* ---------- layout ---------- */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

section { padding: clamp(4rem, 9vw, 8rem) 0; }
.section-head { max-width: 720px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow::before { display: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .95rem 1.6rem;
  font-size: .9rem;
  letter-spacing: .04em;
  font-weight: 500;
  border-radius: var(--radius);
  transition: transform .25s var(--ease), background-color .25s var(--ease), color .25s var(--ease), box-shadow .25s var(--ease);
  white-space: nowrap;
  line-height: 1;
}
.btn .arrow { transition: transform .3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.btn-primary {
  background: var(--ink);
  color: var(--bone);
}
.btn-primary:hover { background: var(--accent-dk); transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover { background: var(--accent-dk); transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.55);
}
.btn-outline-light:hover { background: rgba(255,255,255,.12); border-color: #fff; }

/* ---------- header / nav ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 1.1rem 0;
  transition: background-color .35s var(--ease), box-shadow .35s var(--ease), padding .35s var(--ease);
}
.site-header.is-transparent { background: transparent; }
.site-header.is-transparent .nav-link,
.site-header.is-transparent .brand { color: #fff; }
.site-header.is-transparent .menu-toggle span { background: #fff; }

.site-header.is-solid {
  background: rgba(250, 247, 242, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
  padding: .7rem 0;
}

/* While the mobile menu is open: solid bg WITHOUT backdrop-filter,
   so the header doesn't become a containing block for the fixed nav. */
.site-header.is-menu-open {
  background: var(--bone);
  border-bottom: 1px solid var(--line-soft);
  padding: .7rem 0;
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  position: relative;
  z-index: 60;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: .14em;
  font-size: .92rem;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 1.7rem;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-link {
  position: relative;
  color: var(--ink);
  font-size: .88rem;
  font-weight: 500;
  letter-spacing: .02em;
  padding: .35rem 0;
  transition: color .25s var(--ease);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.nav-link:hover::after,
.nav-link[aria-current="page"]::after { transform: scaleX(1); }

.nav-cta { padding: .7rem 1.15rem; font-size: .82rem; }

.menu-toggle {
  display: none;
  width: 40px; height: 40px;
  position: relative;
  z-index: 60;
}
.menu-toggle span {
  position: absolute;
  left: 9px; right: 9px;
  height: 1.5px;
  background: var(--ink);
  transition: transform .3s var(--ease), top .3s var(--ease), opacity .25s var(--ease);
}
.menu-toggle span:nth-child(1) { top: 14px; }
.menu-toggle span:nth-child(2) { top: 19px; }
.menu-toggle span:nth-child(3) { top: 24px; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

@media (max-width: 860px) {
  .menu-toggle { display: block; }
  .nav {
    position: fixed;
    inset: 0;
    z-index: 55;
    background: var(--bone);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform .45s var(--ease);
    padding: 4rem var(--gutter);
  }
  .nav.is-open { transform: translateX(0); }
  .nav-list {
    flex-direction: column;
    gap: 1.4rem;
    text-align: center;
  }
  .nav-link {
    font-family: var(--serif);
    font-size: 1.6rem;
    color: var(--ink);
  }
  .nav-cta { font-size: .9rem; padding: 1rem 1.6rem; }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0;
  z-index: -2;
  background-image: url('images/header.jpg');
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  animation: heroDrift 18s var(--ease-out) forwards;
}
@keyframes heroDrift {
  to { transform: scale(1); }
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(0,0,0,.32) 0%, rgba(0,0,0,0) 30%, rgba(10,7,5,.20) 55%, rgba(10,7,5,.78) 100%);
}
.hero-inner {
  position: relative;
  width: 100%;
  padding: clamp(7rem, 14vw, 10rem) 0 clamp(4rem, 8vw, 6rem);
}
@media (max-width: 700px) {
  .hero-inner {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}
.hero .eyebrow {
  color: var(--accent-soft);
  margin-bottom: 1.5rem;
}
.hero .eyebrow::before { background: var(--accent-soft); }
.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: #fff;
  max-width: 14ch;
  margin: 0 0 1.6rem;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent-soft);
}
.hero p.lede {
  color: rgba(255,255,255,.85);
  max-width: 52ch;
  font-size: clamp(1.0625rem, 1.4vw, 1.2rem);
  margin: 0 0 2.2rem;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: .9rem; }

.hero-meta {
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  bottom: 2rem;
  display: flex;
  justify-content: center;
  align-items: end;
  gap: 1rem;
  font-size: .75rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(255,255,255,.65);
  pointer-events: none;
}
.hero-meta span { display: inline-flex; align-items: center; gap: .6rem; }
.scroll-cue {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
}
.scroll-cue .line {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,.7));
  animation: cue 2.2s var(--ease) infinite;
  transform-origin: top;
}
@keyframes cue {
  0%   { transform: scaleY(.2); opacity: 0; }
  40%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}
@media (max-width: 700px) {
  .hero-meta { display: none; }
}

/* ---------- about ---------- */
.about { background: var(--bone); }
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
}
.about-copy p { color: var(--ink-soft); font-size: 1.05rem; }
.about-copy p + p { margin-top: 1rem; }
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 1.5rem;
}
.stat {
  background: var(--bone);
  padding: 1.6rem 1.4rem;
}
.stat-num {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 400;
  color: var(--accent-dk);
  line-height: 1;
  letter-spacing: -.02em;
}
.stat-num sup { font-size: .55em; vertical-align: super; }
.stat-label {
  margin-top: .55rem;
  font-size: .82rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}

.about-figure {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/5;
}
.about-figure img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .9s var(--ease-out);
}
.about-figure:hover img { transform: scale(1.04); }

/* ---------- gallery (horizontal strip) ---------- */
.gallery {
  background: var(--cream);
  padding-bottom: clamp(4rem, 8vw, 7rem);
  overflow: hidden;
}
.gallery-head { max-width: 720px; margin-bottom: clamp(2.2rem, 4vw, 3.2rem); }
.gallery-head .lede { margin-top: 1rem; }

.gallery-strip-wrap { position: relative; }

.gallery-strip {
  display: flex;
  gap: .9rem;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x proximity;
  scroll-behavior: smooth;
  scroll-padding-left: var(--gutter);
  padding: .25rem var(--gutter) 1.25rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
}
.gallery-strip::-webkit-scrollbar { display: none; }
.gallery-strip:focus-visible { outline: 2px solid var(--accent); outline-offset: -4px; border-radius: var(--radius); }

.gallery-strip-item {
  flex: 0 0 auto;
  height: clamp(320px, 52vh, 520px);
  scroll-snap-align: start;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--cream);
  cursor: zoom-in;
  position: relative;
  isolation: isolate;
  padding: 0;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.gallery-strip-item img {
  height: 100%;
  width: auto;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
  transition: transform .8s var(--ease-out), filter .5s var(--ease);
}
.gallery-strip-item::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 55%, rgba(0,0,0,.45) 100%);
  opacity: 0;
  transition: opacity .35s var(--ease);
  pointer-events: none;
}
.gallery-strip-item:hover { box-shadow: var(--shadow-md); }
.gallery-strip-item:hover img { transform: scale(1.04); }
.gallery-strip-item:hover::after { opacity: 1; }

.strip-btn {
  position: absolute;
  top: 50%;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: rgba(250, 247, 242, .94);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  color: var(--ink);
  display: grid;
  place-items: center;
  transform: translateY(calc(-50% - .6rem));
  z-index: 2;
  transition: opacity .3s var(--ease), background-color .25s var(--ease), transform .25s var(--ease);
}
.strip-btn:hover { background: #fff; }
.strip-btn svg { width: 22px; height: 22px; }
.strip-prev { left: clamp(.5rem, 1.5vw, 1.25rem); }
.strip-next { right: clamp(.5rem, 1.5vw, 1.25rem); }
.strip-btn:disabled { opacity: 0; pointer-events: none; }

@media (max-width: 760px) {
  .gallery-strip { gap: .55rem; padding-bottom: 1rem; }
  .strip-btn { display: none; }
}

/* ---------- reviews ---------- */
.reviews { background: var(--bone); }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
@media (max-width: 900px) { .reviews-grid { grid-template-columns: 1fr; } }

.review {
  background: var(--bone);
  border-radius: var(--radius-lg);
  padding: 2.2rem 1.9rem;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.review:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.stars {
  display: inline-flex;
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 1rem;
}
.review-text {
  font-family: var(--serif);
  font-size: 1.2rem;
  line-height: 1.45;
  color: var(--ink);
  font-style: italic;
  margin: 0 0 1.5rem;
  flex: 1;
}
.review-text::before { content: "“"; font-size: 1em; color: var(--accent); margin-right: .15rem; }
.review-text::after  { content: "”"; font-size: 1em; color: var(--accent); margin-left: .15rem; }
/* ---------- contact ---------- */
.contact {
  background: var(--ink);
  color: var(--bone);
}
.contact .eyebrow { color: var(--accent-soft); }
.contact .eyebrow::before { background: var(--accent-soft); }
.contact .section-title { color: #fff; }
.contact .section-title em { color: var(--accent-soft); }
.contact .lede { color: rgba(250,247,242,.75); }

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info {
  display: grid;
  gap: 1px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.contact-row {
  background: var(--ink);
  display: grid;
  grid-template-columns: 130px 1fr;
  align-items: center;
  padding: 1.2rem 1.5rem;
  gap: 1rem;
}
.contact-row .label {
  font-size: .7rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(250,247,242,.55);
}
.contact-row .value {
  font-family: var(--serif);
  font-size: 1.35rem;
  color: var(--bone);
}
.contact-row a.value { transition: color .25s var(--ease); }
.contact-row a.value:hover { color: var(--accent-soft); }
@media (max-width: 520px) {
  .contact-row { grid-template-columns: 1fr; gap: .35rem; padding: 1.1rem 1.25rem; }
  .contact-row .value { font-size: 1.2rem; }
}

.contact-cta-card {
  background: linear-gradient(160deg, rgba(184,133,90,.18), rgba(184,133,90,.05));
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3rem);
}
.contact-cta-card h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  color: #fff;
  margin-bottom: 1rem;
  line-height: 1.2;
}
.contact-cta-card p { color: rgba(250,247,242,.72); margin-bottom: 1.8rem; font-size: 1rem; }
.contact-cta-card .btn-row { display: flex; flex-wrap: wrap; gap: .8rem; }

/* ---------- footer ---------- */
.site-footer {
  background: #120d09;
  color: rgba(250,247,242,.55);
  padding: 2.5rem 0 2.2rem;
  font-size: .82rem;
}
.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  color: rgba(250,247,242,.7);
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: .8rem;
}
.footer-links { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.footer-links a { transition: color .25s var(--ease); }
.footer-links a:hover { color: var(--accent-soft); }

/* ---------- lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 7, 5, .96);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 3rem);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .3s var(--ease), visibility 0s linear .3s;
}
.lightbox.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity .3s var(--ease), visibility 0s linear 0s;
}
.lightbox-stage {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-image {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  user-select: none;
  -webkit-user-drag: none;
  transition: opacity .25s var(--ease);
  background: #1a1410;
}
.lightbox-image.is-loading { opacity: .35; }

.lightbox-btn {
  position: absolute;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,.10);
  color: #fff;
  display: grid;
  place-items: center;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background-color .25s var(--ease), transform .25s var(--ease);
}
.lightbox-btn:hover { background: rgba(255,255,255,.22); }
.lightbox-btn:focus-visible { outline: 2px solid var(--accent-soft); outline-offset: 3px; }
.lightbox-btn svg { width: 22px; height: 22px; }
.lightbox-close { top: 1.2rem; right: 1.2rem; }
.lightbox-prev  { left: clamp(.5rem, 2vw, 1.5rem); top: 50%; transform: translateY(-50%); }
.lightbox-next  { right: clamp(.5rem, 2vw, 1.5rem); top: 50%; transform: translateY(-50%); }
.lightbox-prev:hover { transform: translateY(-50%) translateX(-2px); }
.lightbox-next:hover { transform: translateY(-50%) translateX(2px); }

.lightbox-counter {
  position: absolute;
  left: 1.4rem; bottom: 1.2rem;
  color: rgba(255,255,255,.85);
  font-size: .82rem;
  letter-spacing: .14em;
  font-family: var(--serif);
  font-style: italic;
}
.lightbox-counter strong { font-style: normal; font-family: var(--sans); font-weight: 500; }

@media (max-width: 600px) {
  .lightbox-btn { width: 44px; height: 44px; }
  .lightbox-prev, .lightbox-next { display: none; }
  .lightbox-close { top: .75rem; right: .75rem; }
}

body.no-scroll { overflow: hidden; }

/* ---------- reveal animations ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease-out), transform .9s var(--ease-out);
  will-change: opacity, transform;
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}
[data-reveal-delay="1"] { transition-delay: .08s; }
[data-reveal-delay="2"] { transition-delay: .16s; }
[data-reveal-delay="3"] { transition-delay: .24s; }
[data-reveal-delay="4"] { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .hero-bg { animation: none; transform: none; }
}

/* ---------- focus / a11y ---------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
.skip-link {
  position: absolute;
  top: -50px; left: 1rem;
  background: var(--ink);
  color: var(--bone);
  padding: .6rem 1rem;
  border-radius: var(--radius);
  z-index: 100;
  transition: top .25s var(--ease);
}
.skip-link:focus { top: 1rem; }