/* ==========================================================================
   Atelier Nord - Architecture Studio (Mobile-Optimized)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=Cinzel:wght@500;600;700&display=swap');

:root {
  --bg-studio: #f6f5f3;
  --bg-card: #ffffff;
  --text-primary: #121212;
  --text-muted: #666666;
  --border-concrete: #dfdeda;
  --font-serif: 'Cinzel', serif;
  --font-sans: 'Plus Jakarta Sans', sans-serif;
  --transition: all 0.3s ease;
}

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

body {
  background-color: var(--bg-studio);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 70px;
}

/* Universal Mobile-Friendly Floating Switcher */
.simple-switcher {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  background: rgba(18, 18, 18, 0.96);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 9999px;
  padding: 6px 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  max-width: 94vw;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.simple-switcher::-webkit-scrollbar {
  display: none;
}

.simple-switcher span {
  font-size: 0.7rem;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0 4px;
  font-weight: 700;
  white-space: nowrap;
}

.simple-switcher a {
  font-size: 0.75rem;
  color: #ccc;
  text-decoration: none;
  padding: 5px 10px;
  border-radius: 9999px;
  transition: var(--transition);
  white-space: nowrap;
}

.simple-switcher a:hover {
  color: #fff;
}

.simple-switcher a.active {
  background: #fff;
  color: #000;
  font-weight: 700;
}

/* Nav */
.studio-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 36px;
  background: rgba(246, 245, 243, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-concrete);
  position: sticky;
  top: 0;
  z-index: 100;
}

.studio-logo {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 3.5vw, 1.35rem);
  letter-spacing: 0.18em;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  text-transform: uppercase;
}

.studio-links {
  display: flex;
  gap: 32px;
  list-style: none;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.studio-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.studio-links a:hover {
  color: var(--text-primary);
}

.btn-studio {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 12px 24px;
  background: var(--text-primary);
  color: #fff;
  text-decoration: none;
  cursor: pointer;
  border-radius: 2px;
  transition: var(--transition);
  display: inline-block;
  border: none;
  text-align: center;
}

.btn-studio:hover {
  background: #333;
  transform: translateY(-2px);
}

/* Hero */
.studio-hero {
  max-width: 1300px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.studio-meta-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-concrete);
  padding-bottom: 14px;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 8px;
}

.studio-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 6.5vw, 4.8rem);
  line-height: 1.05;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 30px;
}

.studio-hero h1 em {
  font-style: italic;
}

.hero-architecture-frame {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.1);
  margin-bottom: 50px;
}

.hero-architecture-frame img {
  width: 100%;
  height: auto;
  display: block;
}

/* Philosophy Section */
.studio-section {
  padding: 60px 24px;
  max-width: 1300px;
  margin: 0 auto;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.philosophy-lead {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  line-height: 1.3;
}

.pillars-list {
  display: grid;
  gap: 24px;
}

.pillar-item {
  border-top: 1px solid var(--border-concrete);
  padding-top: 16px;
}

.pillar-item h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.pillar-item p {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* Consultation Form */
.consultation-box {
  background: #fff;
  border: 1px solid var(--border-concrete);
  border-radius: 16px;
  padding: clamp(24px, 5vw, 50px);
  max-width: 800px;
  margin: 20px auto 0;
}

.form-field {
  margin-bottom: 18px;
}

.form-field label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
  color: var(--text-muted);
}

.form-field input, .form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-concrete);
  background: #fafaf9;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.92rem;
  outline: none;
}

.form-field input:focus, .form-field textarea:focus {
  border-color: #000;
}

/* Mobile Responsiveness */
@media (max-width: 860px) {
  .studio-nav { padding: 16px 20px; }
  .studio-links { display: none; }
  .studio-hero { padding: 40px 20px 50px; }
  .philosophy-grid { grid-template-columns: 1fr; gap: 32px; }
  .btn-studio { width: 100%; }
}