/* ============================================
   Studio Bis — studio-bis.fr
   Design: Zen Therapeutic Pilates
   Colors: Dark sage #0a1f14 | Sage green #16a34a | Light zen #f0fdf4
   ============================================ */

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

:root {
  --dark: #0a1f14;
  --accent: #16a34a;
  --accent-light: #4ade80;
  --zen: #f0fdf4;
  --zen-dark: #dcfce7;
  --text: #0f2d1a;
  --text-light: #3d6b50;
  --white: #ffffff;
  --shadow: 0 4px 24px rgba(10,31,20,0.12);
  --radius: 12px;
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Georgia', 'Times New Roman', serif;
  background: var(--zen);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4, h5 {
  font-family: 'Georgia', serif;
  color: var(--dark);
  line-height: 1.25;
  font-weight: 700;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
p { margin-bottom: 1.2rem; color: var(--text); }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--dark); }

/* ── LAYOUT ── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--zen-dark); }

/* ── NAV ── */
.site-nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(10,31,20,0.96);
  backdrop-filter: blur(8px);
  padding: 0 24px;
  box-shadow: 0 2px 16px rgba(10,31,20,0.3);
}
.nav-inner {
  max-width: 1140px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
}
.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.nav-logo img { height: 44px; width: auto; }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  color: var(--zen); font-size: 0.92rem; letter-spacing: 0.05em;
  text-transform: uppercase; text-decoration: none;
  transition: color var(--transition); padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--accent-light); border-bottom-color: var(--accent-light);
}
.nav-cta {
  background: var(--accent); color: var(--white) !important;
  padding: 10px 22px; border-radius: 50px;
  border-bottom: none !important;
}
.nav-cta:hover { background: var(--accent-light) !important; color: var(--dark) !important; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--zen); margin: 5px 0; transition: var(--transition);
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  background: url('/images/hero-pilates.jpg') center center / cover no-repeat;
  position: relative;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,31,20,0.88) 0%, rgba(10,31,20,0.82) 100%);
}
.hero-content {
  position: relative; z-index: 1;
  max-width: 780px; padding: 0 24px;
  color: var(--white);
}
.hero-badge {
  display: inline-block; background: var(--accent);
  color: var(--white); padding: 6px 20px; border-radius: 50px;
  font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 24px; font-family: 'Arial', sans-serif;
}
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero p { color: rgba(240,253,244,0.88); font-size: 1.15rem; margin-bottom: 36px; }
.btn {
  display: inline-block; padding: 14px 36px; border-radius: 50px;
  font-size: 0.92rem; font-weight: 700; letter-spacing: 0.05em;
  text-transform: uppercase; transition: all var(--transition);
  text-decoration: none; font-family: 'Arial', sans-serif;
  cursor: pointer; border: 2px solid transparent;
}
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--white); color: var(--dark); }
.btn-outline {
  background: transparent; color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover { background: var(--white); color: var(--dark); }
.btn-dark { background: var(--dark); color: var(--white); }
.btn-dark:hover { background: var(--accent); color: var(--white); }
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── STATS BAR ── */
.stats-bar { background: var(--dark); color: var(--white); padding: 32px 0; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; text-align: center;
}
.stat-num { font-size: 2rem; font-weight: 700; color: var(--accent-light); display: block; }
.stat-label { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.8; }

/* ── 2-COL ── */
.two-col {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }
.two-col img {
  width: 100%; border-radius: var(--radius);
  box-shadow: var(--shadow); display: block;
}
.two-col-text h2 { margin-bottom: 20px; }
.two-col-text p { margin-bottom: 16px; }
.two-col-text .btn { margin-top: 12px; }

/* ── CARDS GRID ── */
.cards-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.card {
  background: var(--white); border-radius: var(--radius);
  padding: 36px 28px; box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  border-left: 4px solid var(--accent);
}
.card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(10,31,20,0.16); }
.card-icon {
  width: 56px; height: 56px; background: var(--zen-dark);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; font-size: 1.5rem;
}
.card h3 { margin-bottom: 12px; font-size: 1.15rem; }
.card p { font-size: 0.92rem; color: var(--text-light); margin: 0; }

/* ── SECTION TITLE ── */
.section-title { text-align: center; margin-bottom: 56px; }
.section-title .badge {
  display: inline-block; background: var(--zen-dark);
  color: var(--accent); padding: 5px 18px; border-radius: 50px;
  font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 14px; font-family: 'Arial', sans-serif; font-weight: 700;
}
.section-title h2 { margin-bottom: 16px; }
.section-title p { max-width: 600px; margin: 0 auto; color: var(--text-light); }

/* ── BANNER ── */
.banner-section {
  background: url('/images/vue-paris.jpg') center center / cover no-repeat;
  position: relative; padding: 100px 0; text-align: center;
}
.banner-section::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(10,31,20,0.87);
}
.banner-content { position: relative; z-index: 1; color: var(--white); max-width: 680px; margin: 0 auto; }
.banner-content h2 { color: var(--white); margin-bottom: 20px; }
.banner-content p { color: rgba(240,253,244,0.88); margin-bottom: 32px; }

/* ── CTA ── */
.cta-section { background: var(--dark); color: var(--white); padding: 80px 0; }
.cta-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.cta-text h2 { color: var(--white); margin-bottom: 16px; }
.cta-text p { color: rgba(240,253,244,0.85); margin-bottom: 28px; }
.cta-img img { width: 100%; border-radius: var(--radius); }

/* ── BLOG ── */
.blog-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.blog-card {
  background: var(--white); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
  transition: transform var(--transition);
}
.blog-card:hover { transform: translateY(-5px); }
.blog-card img { width: 100%; height: 200px; object-fit: cover; display: block; }
.blog-card-body { padding: 24px; }
.blog-cat {
  font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); font-weight: 700; font-family: 'Arial', sans-serif;
  margin-bottom: 8px; display: block;
}
.blog-card h3 { font-size: 1rem; margin-bottom: 10px; }
.blog-card p { font-size: 0.88rem; color: var(--text-light); margin: 0; }
.blog-meta { font-size: 0.78rem; color: var(--text-light); margin-top: 12px; }

/* ── ARTICLE ── */
.article-hero {
  min-height: 480px;
  background-size: cover; background-position: center;
  position: relative; display: flex; align-items: flex-end;
}
.article-hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,31,20,0.9) 0%, rgba(10,31,20,0.4) 100%);
}
.article-hero-content {
  position: relative; z-index: 1; padding: 40px;
  color: var(--white); max-width: 820px;
}
.article-hero-content h1 { color: var(--white); font-size: clamp(1.6rem,4vw,2.6rem); }
.article-body { max-width: 820px; margin: 0 auto; padding: 60px 24px; }
.article-body h2 { margin: 40px 0 16px; }
.article-body h3 { margin: 32px 0 12px; }
.article-body p { margin-bottom: 20px; }
.article-body ul, .article-body ol { padding-left: 24px; margin-bottom: 20px; }
.article-body li { margin-bottom: 8px; }
.article-mid-img {
  width: 100%; max-height: 420px; object-fit: cover;
  border-radius: var(--radius); margin: 40px 0; box-shadow: var(--shadow);
}
.article-cta-box {
  background: var(--zen-dark); border-left: 4px solid var(--accent);
  padding: 28px; border-radius: var(--radius); margin: 40px 0;
}
.nap-box {
  background: var(--white); border: 1px solid var(--zen-dark);
  border-radius: var(--radius); padding: 28px; margin: 32px 0;
  box-shadow: var(--shadow);
}
.nap-box h4 { color: var(--accent); margin-bottom: 12px; }
.map-wrap { margin: 32px 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }

/* ── BREADCRUMB ── */
.breadcrumb {
  padding: 16px 0; font-size: 0.82rem;
  color: var(--text-light); border-bottom: 1px solid var(--zen-dark);
}
.breadcrumb a { color: var(--accent); }
.breadcrumb span { margin: 0 8px; }

/* ── FORM ── */
.contact-form { max-width: 640px; margin: 0 auto; }
.form-group { margin-bottom: 24px; }
.form-group label {
  display: block; margin-bottom: 8px; font-size: 0.88rem;
  font-weight: 700; color: var(--dark); font-family: 'Arial', sans-serif;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 14px 18px; border: 2px solid var(--zen-dark);
  border-radius: var(--radius); font-size: 0.95rem; font-family: 'Georgia', serif;
  background: var(--white); color: var(--text);
  transition: border-color var(--transition);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent);
}
.form-group textarea { min-height: 140px; resize: vertical; }

/* ── PAGE HERO ── */
.page-hero {
  padding: 160px 0 80px;
  background: var(--dark); text-align: center; color: var(--white);
}
.page-hero h1 { color: var(--white); margin-bottom: 16px; }
.page-hero p { color: rgba(240,253,244,0.8); max-width: 600px; margin: 0 auto; }

/* ── ACCORDION ── */
.accordion-item {
  border: 1px solid var(--zen-dark); border-radius: var(--radius);
  margin-bottom: 12px; overflow: hidden;
}
.accordion-btn {
  width: 100%; background: var(--white); padding: 20px 24px;
  border: none; cursor: pointer; text-align: left;
  font-size: 1rem; font-weight: 700; color: var(--dark);
  display: flex; justify-content: space-between; align-items: center;
  font-family: 'Georgia', serif;
}
.accordion-btn:hover { background: var(--zen); }
.accordion-content { padding: 0 24px 20px; background: var(--white); display: none; }
.accordion-content.open { display: block; }

/* ── TESTIMONIALS ── */
.testimonials-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.testimonial {
  background: var(--white); padding: 28px; border-radius: var(--radius);
  box-shadow: var(--shadow); border-left: 4px solid var(--accent);
}
.stars { color: var(--accent); font-size: 1.1rem; margin-bottom: 12px; }
.testimonial p { font-size: 0.92rem; color: var(--text-light); margin-bottom: 16px; }
.testimonial-author { font-weight: 700; font-size: 0.88rem; color: var(--dark); }

/* ── SITEMAP ── */
.sitemap-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 40px; }
.sitemap-col h3 { color: var(--accent); margin-bottom: 16px; font-size: 1rem; text-transform: uppercase; letter-spacing: 0.06em; }
.sitemap-col ul { list-style: none; }
.sitemap-col li { margin-bottom: 8px; }
.sitemap-col a { color: var(--text); font-size: 0.92rem; }
.sitemap-col a:hover { color: var(--accent); }

/* ── 404 ── */
.error-page { min-height: 80vh; display: flex; align-items: center; justify-content: center; text-align: center; }
.error-num { font-size: 8rem; font-weight: 700; color: var(--accent); line-height: 1; display: block; }

/* ── FOOTER ── */
.site-footer {
  background: var(--dark); color: rgba(240,253,244,0.75);
  padding: 64px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand img { height: 48px; margin-bottom: 20px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.7; }
.footer-col h4 {
  color: var(--white); font-size: 0.82rem; letter-spacing: 0.1em;
  text-transform: uppercase; margin-bottom: 20px; font-family: 'Arial', sans-serif;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: rgba(240,253,244,0.7); font-size: 0.88rem; text-decoration: none; }
.footer-col a:hover { color: var(--accent-light); }
.footer-bottom {
  border-top: 1px solid rgba(240,253,244,0.1);
  padding: 20px 0; font-size: 0.8rem; text-align: center;
  color: rgba(240,253,244,0.45);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .two-col, .cta-inner { grid-template-columns: 1fr; gap: 36px; }
  .two-col.reverse { direction: ltr; }
  .cards-grid, .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 2fr 2fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .sitemap-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute;
    top: 70px; left: 0; width: 100%; background: var(--dark);
    padding: 20px 24px; gap: 16px;
  }
  .nav-toggle { display: block; }
  .cards-grid, .testimonials-grid, .blog-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid, .sitemap-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: center; }
}