/* ==========================================================================
   Casa Form — Architectural Living & Bespoke Furniture Studio Styles
   ========================================================================== */

:root {
  --theme-font-serif: 'Playfair Display', 'DM Serif Display', Georgia, serif;
  --theme-font-sans: 'Plus Jakarta Sans', 'DM Sans', -apple-system, sans-serif;
  --theme-bg: #f7f4ee;
  --theme-card-bg: #ffffff;
  --theme-dark: #191c1b;
  --theme-text: #2a2e2c;
  --theme-muted: #676d69;
  --theme-accent: #9e7a56; /* Warm Teak / Brass */
  --theme-accent-dark: #825f3c;
  --theme-stone: #e8e3d9;
  --theme-border: rgba(25, 28, 27, 0.1);
  --theme-btn-bg: #191c1b;
  --theme-btn-text: #ffffff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--theme-font-sans);
  background-color: var(--theme-bg);
  color: var(--theme-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Studio Header */
.studio-header {
  position: sticky;
  top: 45px;
  z-index: 1000;
  background: rgba(247, 244, 238, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--theme-border);
}

.studio-nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.studio-brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.studio-logo-text {
  font-family: var(--theme-font-serif);
  font-size: 25px;
  letter-spacing: 0.18em;
  color: var(--theme-dark);
  text-transform: uppercase;
}

.studio-logo-sub {
  font-size: 9px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--theme-accent);
  font-weight: 700;
}

.studio-nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  list-style: none;
}

.studio-nav-links a {
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--theme-text);
  letter-spacing: 0.04em;
  transition: color 0.2s ease;
}

.studio-nav-links a:hover {
  color: var(--theme-accent);
}

.btn-studio-pri {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--theme-dark);
  color: #ffffff;
  padding: 11px 24px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--theme-dark);
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-studio-pri:hover {
  background: var(--theme-accent-dark);
  border-color: var(--theme-accent-dark);
  transform: translateY(-1px);
}

.btn-studio-sec {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--theme-dark);
  padding: 11px 24px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid rgba(25, 28, 27, 0.3);
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-studio-sec:hover {
  border-color: var(--theme-dark);
  background: rgba(25, 28, 27, 0.04);
}

.demo-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

/* Studio Hero */
.studio-hero {
  padding: 80px 0 100px;
}

.studio-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.studio-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(158, 122, 86, 0.14);
  color: var(--theme-accent-dark);
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.studio-hero-title {
  font-family: var(--theme-font-serif);
  font-size: 54px;
  line-height: 1.1;
  color: var(--theme-dark);
  margin-bottom: 24px;
}

.studio-hero-title em {
  font-style: italic;
  color: var(--theme-accent);
}

.studio-hero-desc {
  font-size: 17px;
  color: var(--theme-muted);
  line-height: 1.65;
  margin-bottom: 36px;
  max-width: 530px;
}

.studio-hero-btns {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.studio-hero-img-wrap {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 28px 70px rgba(25, 28, 27, 0.18);
}

.studio-hero-img-wrap img {
  width: 100%;
  height: 540px;
  object-fit: cover;
  display: block;
}

/* Philosophy Section */
.studio-philosophy {
  padding: 90px 0;
  background: #ede7dc;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.philosophy-card {
  background: #ffffff;
  padding: 36px 30px;
  border-radius: 24px;
  border: 1px solid var(--theme-border);
}

.philosophy-num {
  font-family: var(--theme-font-serif);
  font-size: 28px;
  color: var(--theme-accent);
  margin-bottom: 12px;
}

.philosophy-card h3 {
  font-family: var(--theme-font-serif);
  font-size: 21px;
  color: var(--theme-dark);
  margin-bottom: 10px;
}

.philosophy-card p {
  font-size: 14px;
  color: var(--theme-muted);
  line-height: 1.6;
}

/* Lookbook & Collections */
.studio-lookbook {
  padding: 90px 0;
}

.lookbook-filter-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.lookbook-tab-btn {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: 9px 22px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--theme-text);
  cursor: pointer;
  transition: all 0.2s ease;
}

.lookbook-tab-btn.is-active {
  background: var(--theme-dark);
  color: #ffffff;
  border-color: var(--theme-dark);
}

.lookbook-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.lookbook-card {
  background: #ffffff;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--theme-border);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.lookbook-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 45px rgba(25, 28, 27, 0.1);
}

.lookbook-card-img {
  height: 280px;
  width: 100%;
  object-fit: cover;
  background: #e8e3d9;
}

.lookbook-card-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.lookbook-card-title {
  font-family: var(--theme-font-serif);
  font-size: 22px;
  color: var(--theme-dark);
  margin-bottom: 6px;
}

.lookbook-card-specs {
  font-size: 12.5px;
  color: var(--theme-accent-dark);
  font-weight: 600;
  margin-bottom: 12px;
}

.lookbook-card-desc {
  font-size: 13.5px;
  color: var(--theme-muted);
  line-height: 1.55;
  margin-bottom: 20px;
}

.btn-inquire-wa {
  width: 100%;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--theme-dark);
  background: transparent;
  color: var(--theme-dark);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-inquire-wa:hover {
  background: var(--theme-dark);
  color: #ffffff;
}

/* Material Lab */
.studio-materials {
  padding: 80px 0;
  background: #191c1b;
  color: #ffffff;
}

.material-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.material-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px;
  border-radius: 20px;
}

.material-card h4 {
  font-family: var(--theme-font-serif);
  font-size: 18px;
  color: var(--theme-accent);
  margin-bottom: 6px;
}

.material-card p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

/* Consultation & Contact */
.studio-consult {
  padding: 90px 0;
}

.consult-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  background: #ffffff;
  padding: 50px;
  border-radius: 32px;
  border: 1px solid var(--theme-border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.05);
}

.consult-info h2 {
  font-family: var(--theme-font-serif);
  font-size: 38px;
  color: var(--theme-dark);
  line-height: 1.2;
  margin-bottom: 18px;
}

.consult-info p {
  font-size: 15px;
  color: var(--theme-muted);
  line-height: 1.6;
  margin-bottom: 28px;
}

/* Footer */
.studio-footer {
  background: #111413;
  color: rgba(255, 255, 255, 0.65);
  padding: 60px 0 30px;
  font-size: 13.5px;
}

.studio-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.studio-footer-brand h3 {
  font-family: var(--theme-font-serif);
  font-size: 22px;
  color: #ffffff;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
}

.studio-footer-col h4 {
  color: #ffffff;
  font-size: 14px;
  margin-bottom: 16px;
}

.studio-footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.studio-footer-col ul a {
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  transition: color 0.2s ease;
}

.studio-footer-col ul a:hover {
  color: var(--theme-accent);
}

.studio-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12.5px;
}

/* Responsive */
@media (max-width: 1024px) {
  .studio-hero-grid, .consult-grid {
    grid-template-columns: 1fr;
  }
  .lookbook-grid, .philosophy-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .material-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .studio-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .studio-header {
    top: 41px;
  }
  .studio-nav-wrap {
    height: 64px;
  }
  .demo-nav-toggle {
    display: block;
  }
  .studio-nav-links {
    position: fixed;
    top: 105px;
    left: 0;
    right: 0;
    background: #f7f4ee;
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    border-bottom: 1px solid var(--theme-border);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    opacity: 0;
    pointer-events: none;
  }
  .studio-nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .studio-hero-title {
    font-size: 36px;
  }
  .lookbook-grid, .philosophy-grid, .material-grid {
    grid-template-columns: 1fr;
  }
  .consult-grid {
    padding: 24px;
  }
  .studio-footer-grid {
    grid-template-columns: 1fr;
  }
  .studio-footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}