/* ===========================
   WHD Interier — Design System
   =========================== */

:root {
  --color-bg:      #F5F4F0;
  --color-white:   #FFFFFF;
  --color-text:       #1A1A1A;
  --color-accent:     #8B7355;
  --color-muted:      #6B7280;
  --color-border:     #E5E5E5;
  --color-border-subtle: rgba(0, 0, 0, 0.08);
  --color-text-hover: #333333;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --section-padding-v: 80px;
  --section-padding-h: 40px;
  --nav-height: 68px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: var(--font-body); }
h1, h2, h3 { font-family: var(--font-display); font-weight: 300; }

/* Shared typography */
.section-label {
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
  display: block;
}
.section-title {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 300;
  color: var(--color-text);
}
.section-header { text-align: center; margin-bottom: 48px; }

/* Buttons */
.btn-primary {
  display: inline-block;
  background: var(--color-text);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 14px 32px;
  border: none;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--color-text-hover); }

.btn-accent {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
  background: none;
  border: none;
  padding: 0;
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 2px;
  cursor: pointer;
}

/* Scroll fade-in */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: none; }

/* ===========================
   NAV
   =========================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: 0 40px;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 3px;
  color: var(--color-text);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-muted);
}
.nav-links a:hover { color: var(--color-text); }
.nav-link-cta { color: var(--color-text) !important; font-weight: 500; }
.nav-lang { display: flex; gap: 6px; align-items: center; }
.nav-lang a { color: var(--color-muted); }
.nav-lang a.active { color: var(--color-accent); font-weight: 500; }
.nav-lang span { color: var(--color-border); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
}

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 200;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.nav-overlay.open { display: flex; }
.nav-overlay-close {
  position: absolute;
  top: 24px;
  right: 32px;
  font-size: 20px;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
}
.nav-overlay-links {
  display: flex;
  flex-direction: column;
  gap: 32px;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 300;
}
.nav-overlay-links a:hover { color: var(--color-accent); }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav { padding: 0 20px; }
}

/* ===========================
   HERO
   =========================== */

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - var(--nav-height));
}
.hero-left {
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px 56px;
}
.hero-tag {
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 300;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero-sub {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 360px;
}
.hero-cta {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.hero-right {
  overflow: hidden;
  background: #2a2018;
}
.hero-right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-right { height: 55vw; order: -1; }
  .hero-left { padding: 40px 20px; }
}

/* ===========================
   SERVICES
   =========================== */

.services {
  padding: var(--section-padding-v) var(--section-padding-h);
  background: var(--color-white);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  max-width: 1100px;
  margin: 0 auto;
}
.service-card {
  background: var(--color-white);
  padding: 28px 24px;
  border-left: 3px solid transparent;
  transition: border-color 0.2s;
  display: block;
}
.service-card:hover { border-left-color: var(--color-accent); }
.service-bar {
  width: 3px;
  height: 24px;
  background: var(--color-accent);
  margin-bottom: 14px;
}
.service-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 8px;
}
.service-desc { font-size: 13px; color: var(--color-muted); line-height: 1.6; }

.service-card--cta {
  background: var(--color-accent);
  border-left-color: var(--color-accent);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  text-decoration: none;
  transition: background 0.2s;
  min-height: 120px;
}
.service-card--cta:hover { background: #7a6348; border-left-color: #7a6348; }
.service-cta-label {
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  margin-bottom: 8px;
}
.service-cta-action {
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-white);
  font-weight: 500;
}

@media (max-width: 768px) {
  .services { padding: 60px 20px; }
  .services-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* ===========================
   PORTFOLIO
   =========================== */

.portfolio { padding: var(--section-padding-v) var(--section-padding-h); background: var(--color-bg); }
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  max-width: 1100px;
  margin: 0 auto 32px;
}
.portfolio-item {
  aspect-ratio: 1;
  overflow: hidden;
  background: #2a2018;
}
.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.portfolio-item:hover img { transform: scale(1.05); }
.portfolio-cta { text-align: center; margin-top: 32px; }
.portfolio-ig-link {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 2px;
  transition: color 0.2s;
}
.portfolio-ig-link:hover { color: var(--color-accent); }

@media (max-width: 768px) {
  .portfolio { padding: 60px 20px; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===========================
   REFERENCES
   =========================== */

.references {
  background: var(--color-text);
  padding: 80px 40px;
  text-align: center;
}
.references .section-label { color: var(--color-accent); margin-bottom: 48px; }
.ref-slider { max-width: 720px; margin: 0 auto; min-height: 160px; }
.ref-slide { display: none; flex-direction: column; align-items: center; }
.ref-slide.active { display: flex; }
.ref-quote {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 300;
  color: var(--color-white);
  font-style: italic;
  line-height: 1.55;
  margin-bottom: 24px;
}
.ref-divider { width: 48px; height: 1px; background: var(--color-accent); margin-bottom: 16px; }
.ref-author {
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--color-accent);
}
.ref-dots { display: flex; justify-content: center; gap: 10px; margin-top: 36px; }
.ref-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: none;
  cursor: pointer;
  transition: background 0.2s;
  padding: 0;
}
.ref-dot.active { background: var(--color-accent); }

@media (max-width: 768px) { .references { padding: 60px 20px; } }

/* ===========================
   CTA SECTION
   =========================== */

.cta-section {
  padding: var(--section-padding-v) var(--section-padding-h);
  background: var(--color-white);
  text-align: center;
}
.cta-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 300;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: 16px;
}
.cta-sub { font-size: 14px; color: var(--color-muted); margin-bottom: 36px; }

/* ===========================
   FOOTER
   =========================== */

.footer {
  background: var(--color-text);
  padding: 36px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 3px;
  color: var(--color-white);
}
.footer-info {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  line-height: 1.9;
  text-align: right;
}
.footer-info a { color: var(--color-accent); }
.footer-info a:hover { color: var(--color-white); }

@media (max-width: 600px) {
  .footer { flex-direction: column; align-items: flex-start; padding: 32px 20px; }
  .footer-info { text-align: left; }
}

/* ===========================
   CONTACT PAGE
   =========================== */

.contact-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px 40px;
}
.contact-hero { margin-bottom: 56px; }
.contact-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 300;
  color: var(--color-text);
  line-height: 1.15;
  margin-top: 12px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  margin-bottom: 56px;
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-muted);
}
.form-group input,
.form-group textarea {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
  border-radius: 0;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--color-accent); }
.form-group textarea { resize: vertical; min-height: 120px; }

.form-status { font-size: 13px; padding: 10px 0; min-height: 36px; }
.form-status.success { color: #2d7a2d; }
.form-status.error   { color: #c0392b; }

.contact-info { display: flex; flex-direction: column; gap: 32px; padding-top: 8px; }
.contact-info-block p { font-size: 14px; color: var(--color-text); line-height: 1.8; }
.contact-info-block a { color: var(--color-accent); }
.contact-info-block a:hover { text-decoration: underline; }

.contact-map { overflow: hidden; background: var(--color-border); }

@media (max-width: 768px) {
  .contact-page { padding: 40px 20px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}