/* ===========================================================
   NOOK — Level A Interior Finishing & Design
   Brand system: charcoal / gold / cream, Cormorant Garamond + Jost
   =========================================================== */

:root {
  --charcoal: #1C1A17;
  --charcoal-soft: #2A2622;
  --gold: #B08D57;
  --gold-light: #C9A876;
  --cream: #F6F1E8;
  --cream-dim: #EDE6D8;
  --terracotta: #B5654A;
  --green: #3B4A34;
  --ink: #2A2622;
  --muted: #8A8175;
  --line: rgba(28, 26, 23, 0.12);
  --line-on-dark: rgba(246, 241, 232, 0.16);

  --serif: 'Cormorant Garamond', 'Times New Roman', serif;
  --sans: 'Jost', -apple-system, 'Segoe UI', sans-serif;

  --container: 1180px;
  --pad: clamp(20px, 5vw, 64px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  color: var(--charcoal);
  line-height: 1.15;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 500; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); }

p { margin: 0 0 1em; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.eyebrow {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
  display: inline-block;
  margin-bottom: 0.9em;
}

.section {
  padding: clamp(56px, 9vw, 120px) 0;
}

.section-dark {
  background: var(--charcoal);
  color: var(--cream-dim);
}
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--cream); }
.section-dark .eyebrow { color: var(--gold-light); }

.section-head {
  max-width: 640px;
  margin-bottom: clamp(32px, 5vw, 56px);
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.lede {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1.6vw, 1.45rem);
  color: var(--muted);
  font-style: italic;
}

hr.rule {
  border: none;
  border-top: 1px solid var(--gold);
  width: 64px;
  margin: 1.2em 0;
}
.center hr.rule { margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 15px 30px;
  border: 1px solid var(--charcoal);
  color: var(--charcoal);
  background: transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn:hover { background: var(--charcoal); color: var(--cream); }

.btn-solid {
  background: var(--charcoal);
  color: var(--cream);
  border-color: var(--charcoal);
}
.btn-solid:hover { background: var(--gold); border-color: var(--gold); color: var(--charcoal); }

.btn-gold {
  border-color: var(--gold);
  color: var(--gold-light);
}
.btn-gold:hover { background: var(--gold); color: var(--charcoal); }

.btn-light {
  border-color: var(--cream);
  color: var(--cream);
}
.btn-light:hover { background: var(--cream); color: var(--charcoal); }

.btn-whatsapp {
  background: #25D366;
  border-color: #25D366;
  color: #fff;
}
.btn-whatsapp:hover { background: #1ebd5a; border-color: #1ebd5a; color: #fff; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 22px 0;
  transition: background 0.35s ease, padding 0.35s ease, box-shadow 0.35s ease;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header.solid {
  background: var(--cream);
  padding: 14px 0;
  box-shadow: 0 2px 18px rgba(28,26,23,0.08);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img { width: 34px; height: 34px; }
.brand-text {
  font-family: var(--serif);
  font-size: 1.5rem;
  letter-spacing: 0.06em;
  color: var(--cream);
}
.site-header.solid .brand-text,
.page-header .brand-text { color: var(--charcoal); }
.brand-tag {
  display: block;
  font-family: var(--sans);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-top: 1px;
}
.site-header.solid .brand-tag,
.page-header .brand-tag { color: var(--gold); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cream);
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, opacity 0.2s ease;
}
.nav-links a:hover { border-color: var(--gold); }
.site-header.solid .nav-links a,
.page-header .nav-links a { color: var(--charcoal); }
.nav-links a.current { color: var(--gold); }
.site-header.solid .nav-links a.current,
.page-header .nav-links a.current { color: var(--gold); }

.nav-cta {
  padding: 11px 22px;
  font-size: 0.72rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px; height: 22px;
  position: relative;
  z-index: 200;
}
.nav-toggle span {
  position: absolute; left: 0; right: 0; height: 2px;
  background: var(--cream);
  transition: all 0.25s ease;
}
.site-header.solid .nav-toggle span,
.page-header .nav-toggle span { background: var(--charcoal); }
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 10px; }
.nav-toggle span:nth-child(3) { top: 20px; }
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(10px) rotate(45deg); background: var(--charcoal); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); background: var(--charcoal); }

/* Non-home pages use a permanently solid header */
.page-header { background: var(--cream); box-shadow: 0 2px 18px rgba(28,26,23,0.06); padding: 14px 0; }

/* ---------- Hero ----------
   The darkening overlay lives on its own ::before layer (not the
   `background` shorthand) so a per-page inline background-image never
   knocks it out — that gap previously left hero text unreadable over any
   bright photo. */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  background-color: var(--charcoal);
  background-size: cover;
  background-position: center;
  color: var(--cream);
  isolation: isolate;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20,18,16,0.55) 0%, rgba(20,18,16,0.35) 40%, rgba(20,18,16,0.88) 100%);
  z-index: 0;
}
.hero-inner { position: relative; z-index: 1; padding-bottom: clamp(48px, 8vw, 100px); max-width: 760px; }
.hero .eyebrow { color: var(--gold-light); }
.hero h1 { color: var(--cream); text-shadow: 0 2px 18px rgba(0,0,0,0.35); }
.hero p.lede { color: var(--cream-dim); opacity: 0.92; text-shadow: 0 1px 10px rgba(0,0,0,0.3); }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 1.6em; }

.page-hero {
  padding: clamp(150px, 20vw, 210px) 0 clamp(56px, 8vw, 90px);
  background: var(--charcoal);
  color: var(--cream);
  text-align: center;
}
.page-hero .eyebrow { color: var(--gold-light); }
.page-hero h1 { color: var(--cream); }
.page-hero .lede { color: var(--cream-dim); max-width: 620px; margin: 0.4em auto 0; }

/* ---------- Grid helpers ---------- */
.grid { display: grid; gap: clamp(24px, 3vw, 44px); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Stats strip ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 44px var(--pad);
  background: var(--charcoal);
  color: var(--cream);
  text-align: center;
}
.stat-num {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--gold-light);
  display: block;
}
.stat-label {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream-dim);
  opacity: 0.75;
}

/* ---------- Cards ---------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  padding: clamp(26px, 3vw, 38px);
}
.service-card .num {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--gold);
  letter-spacing: 0.1em;
}
.service-card h3 { margin-top: 0.5em; }
.service-card p { color: var(--muted); margin-bottom: 0; font-size: 0.95rem; }

.process-step { position: relative; padding-left: 56px; }
.process-step .step-num {
  position: absolute; left: 0; top: -4px;
  font-family: var(--serif);
  font-size: 2.4rem;
  color: var(--gold);
  line-height: 1;
}
.process-step h3 { margin-bottom: 0.35em; }
.process-step p { color: var(--muted); font-size: 0.95rem; margin: 0; }

/* ---------- Split feature blocks ---------- */
.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}
.split.reverse .split-media { order: 2; }
.split-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/5; }
.split-text ul { margin: 1.2em 0; padding: 0; list-style: none; }
.split-text li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  display: flex; gap: 12px; align-items: baseline;
  color: var(--ink);
}
.split-text li::before { content: '—'; color: var(--gold); flex-shrink: 0; }

/* ---------- Portfolio ---------- */
.filter-bar {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: clamp(30px, 4vw, 48px);
}
.filter-btn {
  font-family: var(--sans);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 10px 22px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s ease;
}
.filter-btn:hover { border-color: var(--gold); color: var(--charcoal); }
.filter-btn.active { background: var(--charcoal); border-color: var(--charcoal); color: var(--cream); }

.project-block { margin-bottom: clamp(50px, 7vw, 84px); }
.project-block-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}
.project-block-head h3 { margin: 0; }
.project-tag {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
}
.photo-grid figure { margin: 0; overflow: hidden; cursor: zoom-in; background: var(--cream-dim); }
.photo-grid img {
  width: 100%; height: 260px; object-fit: cover;
  transition: transform 0.5s ease;
}
.photo-grid figure:hover img { transform: scale(1.06); }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; background: rgba(17,16,14,0.94);
  display: none; align-items: center; justify-content: center;
  z-index: 300; padding: 30px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 84vh; object-fit: contain; }
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute; background: none; border: none; color: var(--cream);
  font-family: var(--serif); font-size: 2rem; cursor: pointer; opacity: 0.8;
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { opacity: 1; color: var(--gold-light); }
.lightbox-close { top: 22px; right: 30px; font-size: 2.2rem; }
.lightbox-prev { left: 20px; top: 50%; transform: translateY(-50%); font-size: 2.8rem; }
.lightbox-next { right: 20px; top: 50%; transform: translateY(-50%); font-size: 2.8rem; }
.lightbox-caption {
  position: absolute; bottom: 26px; left: 0; right: 0; text-align: center;
  color: var(--cream-dim); font-size: 0.85rem; letter-spacing: 0.06em;
}

/* ---------- Testimonial / quote ---------- */
.quote-block { max-width: 760px; margin: 0 auto; text-align: center; }
.quote-block p { font-family: var(--serif); font-size: clamp(1.3rem, 2.4vw, 1.9rem); font-style: italic; color: var(--charcoal); }
.quote-block cite { font-style: normal; font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(36px, 5vw, 72px);
}
.contact-info h3 { color: var(--cream); }
.contact-line { display: flex; gap: 14px; margin-bottom: 22px; align-items: flex-start; }
.contact-line .lbl {
  font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold-light);
  width: 90px; flex-shrink: 0; padding-top: 3px;
}
.contact-line .val { color: var(--cream-dim); }
.contact-line a:hover { color: var(--gold-light); }

.social-row { display: flex; gap: 14px; margin-top: 28px; }
.social-row a {
  width: 40px; height: 40px; border: 1px solid var(--line-on-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; letter-spacing: 0.05em; color: var(--cream-dim);
  transition: all 0.2s ease;
}
.social-row a:hover { border-color: var(--gold); color: var(--gold-light); }

form.contact-form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label {
  display: block; font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--gold-light); margin-bottom: 8px;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line-on-dark);
  color: var(--cream);
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 10px 2px;
}
.contact-form select option { color: var(--charcoal); }
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus { outline: none; border-color: var(--gold); }
.contact-form textarea { resize: vertical; min-height: 90px; }
.form-note { font-size: 0.8rem; color: var(--muted); margin-top: 6px; }
.form-status { font-size: 0.85rem; margin-top: 10px; min-height: 1.2em; }
.form-status.ok { color: #7fbf7f; }
.form-status.err { color: #d98a7a; }

/* ---------- Floating WhatsApp button ---------- */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(0,0,0,0.28);
  transition: transform 0.2s ease;
}
.wa-float:hover { transform: scale(1.07); }
.wa-float svg { width: 30px; height: 30px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--charcoal);
  color: var(--cream-dim);
  padding: clamp(46px, 6vw, 74px) 0 26px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line-on-dark);
}
.footer-brand .brand-text { color: var(--cream); }
.footer-brand p { color: var(--muted); font-size: 0.9rem; margin-top: 14px; max-width: 260px; }
.footer-col h4 {
  font-family: var(--sans);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 16px;
}
.footer-col a, .footer-col p {
  display: block;
  color: var(--cream-dim);
  font-size: 0.9rem;
  margin-bottom: 10px;
  opacity: 0.85;
}
.footer-col a:hover { color: var(--gold-light); opacity: 1; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 22px; font-size: 0.78rem; color: var(--muted); flex-wrap: wrap; gap: 10px;
}

/* ---------- Reveal-on-scroll ----------
   Content stays fully visible/opaque at all times (readable with JS off,
   slow JS, or a full-page capture); only a small settle-in motion is
   deferred to the IntersectionObserver enhancement. */
.reveal { transform: translateY(16px); transition: transform 0.7s ease; }
.reveal.in { transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { transform: none; transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .split.reverse .split-media { order: 0; }
  .split-media img { aspect-ratio: 16/10; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; top: 0; right: 0; height: 100vh; width: min(78vw, 320px);
    background: var(--cream); flex-direction: column; justify-content: center; align-items: flex-start;
    padding: 0 40px; gap: 26px;
    transform: translateX(100%); transition: transform 0.35s ease;
  }
  .nav-open .nav-links { transform: translateX(0); }
  .nav-links a { color: var(--charcoal) !important; font-size: 0.95rem; }
  .nav-cta { margin-top: 10px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero { min-height: 100vh; }
  .photo-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .photo-grid img { height: 190px; }
}