/* ── 3D Gironde — style.css ── */
:root {
  --accent: #8B1A1A;
  --accent-dark: #600f0f;
  --accent-light: #8B1A1A22;
  --bg: #f8f9fa;
  --bg-dark: #111827;
  --text: #1f2937;
  --text-light: #6b7280;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.15);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--white); line-height: 1.65; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ── HEADER ── */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.08);
  transition: box-shadow .3s;
}
header.scrolled { box-shadow: var(--shadow-lg); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; }
.logo { font-size: 1.4rem; font-weight: 800; color: var(--text); }
.logo span { color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a { font-size: .95rem; font-weight: 500; color: var(--text-light); transition: color .2s; }
.main-nav a:hover { color: var(--accent); }
.btn-nav {
  background: var(--accent); color: var(--white) !important;
  padding: 8px 20px; border-radius: 50px; font-weight: 600;
  transition: background .2s, transform .15s;
}
.btn-nav:hover { background: var(--accent-dark); transform: translateY(-1px); }
.nav-toggle { display: none; background: none; border: none; font-size: 1.4rem; cursor: pointer; }

/* ── HERO ── */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #1e293b 60%, var(--accent-dark) 100%);
  color: var(--white);
  position: relative; overflow: hidden;
}
.hero-bg-anim {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 50%, var(--accent)33 0%, transparent 60%);
  animation: pulse-bg 6s ease-in-out infinite;
}
@keyframes pulse-bg {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}
.hero-inner { position: relative; z-index: 1; }
.hero-badge {
  display: inline-block; background: var(--accent-light);
  border: 1px solid var(--accent); color: var(--accent);
  padding: 6px 16px; border-radius: 50px; font-size: .85rem; font-weight: 600;
  margin-bottom: 20px; backdrop-filter: blur(4px);
}
.hero-h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.1; margin-bottom: 12px; }
.hero-sub { font-size: 1.15rem; color: rgba(255,255,255,0.7); margin-bottom: 16px; }
.hero-p { font-size: 1.05rem; max-width: 680px; color: rgba(255,255,255,0.85); margin-bottom: 32px; line-height: 1.7; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.btn-primary {
  display: inline-block; background: var(--accent); color: var(--white);
  padding: 14px 28px; border-radius: 50px; font-weight: 700;
  transition: background .2s, transform .15s, box-shadow .2s;
  box-shadow: 0 4px 20px var(--accent)55;
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 32px var(--accent)66; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-outline {
  display: inline-block; border: 2px solid rgba(255,255,255,0.5); color: var(--white);
  padding: 14px 28px; border-radius: 50px; font-weight: 600;
  transition: all .2s;
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-val { font-size: 2rem; font-weight: 800; color: var(--accent); }
.stat-lbl { font-size: .8rem; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }

/* ── SECTIONS ── */
section { padding: 80px 0; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; margin-bottom: 16px; }
.section-sub { color: var(--text-light); font-size: 1.05rem; max-width: 640px; margin-bottom: 48px; }

/* ── SERVICES ── */
.services-section { background: var(--bg); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.service-card {
  background: var(--white); padding: 32px; border-radius: var(--radius);
  box-shadow: var(--shadow); transition: transform .25s, box-shadow .25s;
  border-top: 3px solid var(--accent);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.service-icon { font-size: 2.4rem; margin-bottom: 16px; }
.service-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.service-card p { font-size: .95rem; color: var(--text-light); line-height: 1.6; }

/* ── MATERIALS ── */
.materials-section { background: var(--bg-dark); color: var(--white); }
.materials-section h2 { color: var(--white); }
.materials-section .section-sub { color: rgba(255,255,255,0.6); }
.materials-grid { display: flex; flex-wrap: wrap; gap: 16px; }
.material-chip {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  padding: 16px 24px; border-radius: var(--radius); cursor: default;
  transition: background .2s, border-color .2s;
  display: flex; flex-direction: column; gap: 4px;
  font-weight: 700; font-size: 1rem;
}
.material-chip span { font-weight: 400; font-size: .8rem; color: rgba(255,255,255,0.5); }
.material-chip:hover { background: var(--accent-light); border-color: var(--accent); }

/* ── ABOUT ── */
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-img-placeholder {
  background: var(--bg);
  border-radius: var(--radius); padding: 40px;
  display: flex; flex-direction: column; align-items: center; gap: 20px;
  min-height: 320px; justify-content: center;
  border: 2px dashed var(--accent)44;
}
.about-3d-anim { display: flex; flex-direction: column; gap: 8px; }
.layer {
  height: 18px; background: var(--accent); border-radius: 4px;
  animation: layer-anim 1.8s ease-in-out infinite;
}
.l1 { width: 180px; animation-delay: 0s; opacity: 0.3; }
.l2 { width: 160px; animation-delay: .2s; opacity: 0.5; }
.l3 { width: 140px; animation-delay: .4s; opacity: 0.7; }
.l4 { width: 120px; animation-delay: .6s; opacity: 0.85; }
.l5 { width: 100px; animation-delay: .8s; opacity: 1; }
@keyframes layer-anim {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(8px); }
}
.anim-label { font-size: .8rem; color: var(--text-light); font-style: italic; }
.about-text h2 { margin-bottom: 16px; }
.about-text p { color: var(--text-light); line-height: 1.75; margin-bottom: 24px; }
.about-strengths { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.about-strengths li { font-weight: 500; font-size: .95rem; }

/* ── PROCESS ── */
.process-section { background: var(--bg); }
.process-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; margin-top: 40px; }
.process-step { background: var(--white); padding: 28px; border-radius: var(--radius); box-shadow: var(--shadow); position: relative; }
.step-num {
  width: 40px; height: 40px; background: var(--accent); color: var(--white);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.1rem; margin-bottom: 16px;
}
.process-step h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.process-step p { font-size: .9rem; color: var(--text-light); }

/* ── CITIES ── */
.cities-section { background: var(--bg); }
.cities-cloud { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.city-chip {
  display: inline-block; background: var(--white);
  border: 1.5px solid #e5e7eb; color: var(--text);
  padding: 10px 20px; border-radius: 50px; font-size: .9rem; font-weight: 500;
  transition: all .2s;
}
.city-chip:hover { background: var(--accent); color: var(--white); border-color: var(--accent); transform: translateY(-2px); }

/* ── TESTIMONIALS ── */
.testi-section { background: var(--white); }
.testi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.testi-card {
  background: var(--bg); padding: 28px; border-radius: var(--radius);
  border-left: 4px solid var(--accent);
}
.testi-stars { color: #f59e0b; font-size: 1.1rem; margin-bottom: 12px; }
.testi-text { font-size: .95rem; color: var(--text); line-height: 1.6; margin-bottom: 16px; font-style: italic; }
.testi-author { font-weight: 700; font-size: .95rem; }
.testi-co { font-size: .85rem; color: var(--text-light); margin-top: 4px; }

/* ── FAQ ── */
.faq-section { background: var(--bg); }
.faq-list { max-width: 800px; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--white); border-radius: var(--radius);
  border: 1px solid #e5e7eb; overflow: hidden;
}
.faq-item summary {
  padding: 20px 24px; font-weight: 600; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  list-style: none;
}
.faq-item summary::after { content: '+'; font-size: 1.4rem; color: var(--accent); transition: transform .2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 24px 20px; color: var(--text-light); line-height: 1.65; }

/* ── CTA ── */
.cta-section {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  color: var(--white); text-align: center;
}
.cta-section h2 { color: var(--white); margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.85); margin-bottom: 32px; font-size: 1.05rem; }
.btn-white {
  display: inline-block; background: var(--white); color: var(--accent);
  padding: 16px 36px; border-radius: 50px; font-weight: 700; font-size: 1.05rem;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.3); }
.cta-actions { margin-bottom: 20px; }
.cta-email { font-size: .9rem; color: rgba(255,255,255,0.7); }
.cta-email a { color: rgba(255,255,255,0.95); font-weight: 600; text-decoration: underline; }

/* ── FOOTER ── */
footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 60px 0 30px; }
.footer-inner { display: grid; grid-template-columns: 1.5fr 2fr; gap: 48px; margin-bottom: 40px; }
.footer-brand { font-size: 1.1rem; line-height: 1.8; }
.footer-brand strong { color: var(--white); font-size: 1.2rem; }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-cols h4 { color: var(--white); font-size: .9rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px; }
.footer-cols a { display: block; font-size: .9rem; color: rgba(255,255,255,0.55); margin-bottom: 8px; transition: color .2s; }
.footer-cols a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: .85rem; }

/* ── FLOAT CTA ── */
.float-cta {
  position: fixed; bottom: 24px; right: 24px; z-index: 50;
  background: var(--accent); color: var(--white);
  width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; box-shadow: 0 4px 20px var(--accent)66;
  transition: transform .2s, box-shadow .2s;
}
.float-cta:hover { transform: scale(1.1); box-shadow: 0 8px 32px var(--accent)88; }

/* ── CITY PAGES ── */
.city-hero {
  padding: 120px 0 60px;
  background: linear-gradient(135deg, var(--bg-dark), #1e293b);
  color: var(--white);
}
.breadcrumb { font-size: .85rem; color: rgba(255,255,255,0.5); margin-bottom: 16px; }
.breadcrumb a { color: var(--accent); }
.city-hero h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: 8px; }
.city-hero .hero-sub { color: var(--accent); font-weight: 600; margin-bottom: 20px; }
.city-intro { font-size: 1.05rem; max-width: 680px; line-height: 1.75; margin-bottom: 28px; color: rgba(255,255,255,0.85); }
.city-services { padding: 60px 0; }
.city-services h2 { margin-bottom: 32px; }
.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.service-item {
  background: var(--bg); padding: 24px; border-radius: var(--radius);
  text-align: center; border-top: 3px solid var(--accent);
}
.si-icon { font-size: 2rem; display: block; margin-bottom: 12px; }
.service-item strong { display: block; font-weight: 700; margin-bottom: 8px; }
.service-item br+* { font-size: .9rem; color: var(--text-light); }
.city-cta {
  padding: 60px 0; text-align: center;
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  color: var(--white);
}
.city-cta h2 { color: var(--white); margin-bottom: 12px; }
.city-cta p { color: rgba(255,255,255,0.85); margin-bottom: 24px; }

/* ── AOS ── */
[data-aos] { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
[data-aos="zoom-in"] { transform: scale(0.9); }
[data-aos="fade-right"] { transform: translateX(-24px); }
[data-aos="fade-left"] { transform: translateX(24px); }
[data-aos].visible { opacity: 1; transform: none; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .main-nav { display: none; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0; background: var(--white); padding: 20px; box-shadow: var(--shadow); }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .hero { padding: 120px 0 60px; }
  .hero-actions { flex-direction: column; }
  .hero-stats { gap: 20px; }
  .about-inner { grid-template-columns: 1fr; }
  .about-visual { display: none; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr; }
}