:root {
  --bg: #F7F5F2;
  --surface: #FFFFFF;
  --graphite: #1A2338;
  --green: #6A8A6E;
  --gold: #C69C6D;
  --text: #2C2C2C;
  --muted: #6B6B6B;
  --line: #E3E0DB;
  --focus: #2D7DC6;
  --shadow: 0 12px 32px rgba(26,35,56,0.08);
  --radius: 12px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 18px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
}

h1, h2, h3, p, ul, ol, figure { margin: 0; }

ul, ol { padding: 0; list-style: none; }

a { color: var(--graphite); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }

img { max-width: 100%; height: auto; display: block; }

.container { width: min(1200px, calc(100% - 32px)); margin: 0 auto; }

.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 0;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s, background .15s, color .15s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--graphite); color: #fff; }
.btn-primary:hover { background: #101725; }
.btn-secondary { background: var(--gold); color: var(--graphite); }
.btn-secondary:hover { background: #B68C5C; }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: .95rem; }

.text-link { background: none; border: 0; color: var(--graphite); text-decoration: underline; cursor: pointer; font: inherit; padding: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247,245,242,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--graphite);
}

.main-nav { display: none; gap: 24px; align-items: center; }
.main-nav a { text-decoration: none; font-weight: 500; }
.main-nav .phone { font-weight: 600; white-space: nowrap; }

.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: 0;
  cursor: pointer;
}
.menu-toggle span { display: block; width: 100%; height: 3px; background: var(--graphite); border-radius: 2px; }

.mobile-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mobile-menu[hidden] { display: none; }
.mobile-menu a { padding: 12px; font-size: 1.1rem; text-decoration: none; border-bottom: 1px solid var(--line); }

section { padding: 72px 0; }

.kicker {
  display: inline-block;
  margin-bottom: 12px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--green);
  text-transform: uppercase;
}

h1, h2 { font-size: clamp(2rem, 6vw, 3.8rem); line-height: 1.08; font-weight: 700; letter-spacing: -0.02em; color: var(--graphite); }
h2 { font-size: clamp(1.8rem, 5vw, 2.8rem); }
h3 { font-size: 1.25rem; color: var(--graphite); }

.lead { margin-top: 12px; font-size: 1.15rem; color: var(--muted); max-width: 680px; }
.note { margin-top: 16px; font-size: .85rem; color: var(--muted); line-height: 1.45; }

.hero { padding-top: 40px; }
.hero-grid { display: grid; gap: 32px; }
.hero-content { order: 1; }
.hero-image { order: 2; position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.hero-image img { width: 100%; height: auto; aspect-ratio: 4/3; object-fit: cover; }
.hero-image .image-label { position: absolute; bottom: 12px; left: 12px; background: rgba(0,0,0,0.55); color: #fff; font-size: .75rem; padding: 4px 8px; border-radius: 4px; }

.hero h1 { margin-top: 8px; }
.hero-sub { margin-top: 16px; font-size: 1.2rem; color: var(--muted); }
.hero-bullets { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 20px; font-weight: 500; }
.hero-bullets li { position: relative; padding-left: 16px; }
.hero-bullets li::before { content: ''; position: absolute; left: 0; top: 10px; width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.short-form { margin-top: 40px; padding: 20px; background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); }
.short-form-title { font-weight: 600; margin-bottom: 12px; }
.short-form-row { display: grid; gap: 12px; }
.short-form-row input, .short-form-row select { width: 100%; height: 48px; padding: 0 14px; border: 1px solid var(--line); border-radius: 8px; font: inherit; background: #fff; }
.short-form-row button { width: 100%; }

.form-message { margin-top: 12px; font-size: .95rem; }
.form-message.success { color: #2B6A36; }
.form-message.error { color: #A32222; }

.sip { background: var(--surface); }
.sip h2, .all-in-one h2, .interior h2, .energy h2, .steps h2 { margin-bottom: 12px; }
.sip-section-fig { margin: 32px 0; border-radius: var(--radius); overflow: hidden; }
.sip-section-fig img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.sip-section-fig figcaption { font-size: .8rem; color: var(--muted); margin-top: 6px; }

.cards-grid { display: grid; gap: 20px; margin-top: 32px; }
.card { padding: 24px; background: var(--bg); border-radius: var(--radius); }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .98rem; }

.models { background: var(--bg); }
.models h2 { margin-bottom: 8px; }
.model-card { background: var(--surface); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.model-img { position: relative; border-radius: 8px; overflow: hidden; margin-bottom: 16px; }
.model-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.model-img .image-label { position: absolute; bottom: 10px; left: 10px; background: rgba(0,0,0,0.55); color: #fff; font-size: .72rem; padding: 3px 6px; border-radius: 4px; }
.badge { position: absolute; top: 10px; right: 10px; background: var(--gold); color: var(--graphite); font-size: .75rem; font-weight: 700; padding: 4px 8px; border-radius: 4px; }
.model-card h3 { font-size: 1.4rem; }
.model-size { color: var(--green); font-weight: 700; margin: 4px 0; }
.model-desc { color: var(--muted); flex: 1; }
.model-price { font-size: 1.2rem; font-weight: 700; color: var(--graphite); margin: 12px 0; }
.model-card .btn { width: 100%; margin-top: 8px; }
.models-note { margin-top: 24px; text-align: center; color: var(--muted); }

.all-in-one { background: var(--surface); }
.two-col { display: grid; gap: 32px; margin-top: 32px; }
.two-col h3 { margin-bottom: 12px; color: var(--green); }
.two-col li { padding: 8px 0; border-bottom: 1px solid var(--line); color: var(--text); }
.two-col li:last-child { border-bottom: 0; }
.scope-box { margin-top: 32px; padding: 24px; background: var(--bg); border-radius: var(--radius); }
.scope-box h3 { margin-bottom: 10px; }
.scope-box p { color: var(--muted); font-size: .95rem; }
.scope-box .separat { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); }

.interior { background: var(--bg); }
.interior-grid { display: grid; gap: 32px; }
.interior-list { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 20px; }
.interior-list li { padding: 6px 12px; background: var(--surface); border-radius: 20px; font-size: .95rem; }
.materials { margin-top: 20px; color: var(--muted); }
.emotion { margin-top: 24px; font-size: 1.25rem; font-weight: 600; color: var(--graphite); }
.interior-fig { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.interior-fig img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.interior-fig figcaption { font-size: .8rem; color: var(--muted); margin-top: 6px; }

.energy { background: var(--surface); }
.energy-grid { display: grid; gap: 20px; margin-top: 32px; }
.energy-card { padding: 24px; background: var(--bg); border-radius: var(--radius); border-top: 4px solid var(--green); }
.energy-card h3 { margin-bottom: 10px; }
.energy-card p { color: var(--muted); font-size: .98rem; }

.steps { background: var(--bg); }
.steps-list { display: grid; gap: 20px; margin-top: 32px; counter-reset: step; }
.steps-list li { position: relative; padding: 24px 24px 24px 72px; background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); }
.step-num { position: absolute; left: 20px; top: 20px; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: var(--graphite); color: #fff; border-radius: 50%; font-weight: 700; }
.steps-list h3 { margin-bottom: 6px; }
.steps-list p { color: var(--muted); }

.trust-list { display: flex; flex-wrap: wrap; gap: 8px 12px; margin-top: 32px; }
.trust-list span { padding: 6px 12px; background: var(--surface); border-radius: 20px; font-size: .9rem; color: var(--muted); }

.faq-form { background: var(--surface); padding-bottom: 40px; }
.faq-form-grid { display: grid; gap: 40px; }
.faq h2 { margin-bottom: 12px; }
.faq-list { margin-top: 24px; display: flex; flex-direction: column; gap: 10px; }
.faq-list details { background: var(--bg); border-radius: var(--radius); padding: 0 16px; }
.faq-list summary { padding: 18px 0; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; font-size: 1.4rem; color: var(--green); }
.faq-list details[open] summary::after { content: '−'; }
.faq-list p { padding: 0 0 18px; color: var(--muted); font-size: .95rem; }

.final-form { background: var(--bg); padding: 28px; border-radius: var(--radius); }
.form-title { font-size: 1.4rem; margin-bottom: 24px; }
.form-step { border: 0; padding: 0; margin: 0 0 24px; }
.form-step legend { font-weight: 700; color: var(--graphite); margin-bottom: 10px; }
.radio-group, .checkbox-group { display: flex; flex-wrap: wrap; gap: 10px; }
.radio, .checkbox { display: inline-flex; align-items: center; gap: 6px; padding: 10px 14px; background: var(--surface); border-radius: 20px; cursor: pointer; font-size: .95rem; border: 1px solid var(--line); }
.radio input, .checkbox input { accent-color: var(--green); }
.contact-fields { display: grid; gap: 10px; }
.contact-fields label { font-size: .9rem; color: var(--muted); }
.contact-fields input { width: 100%; height: 48px; padding: 0 12px; border: 1px solid var(--line); border-radius: 8px; font: inherit; background: #fff; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .85rem; color: var(--muted); margin-bottom: 24px; }
.consent input { margin-top: 3px; accent-color: var(--green); }
.final-form .btn { width: 100%; }

.site-footer { background: var(--graphite); color: #D8DDE5; padding: 48px 0; font-size: .95rem; }
.site-footer h3 { color: #fff; margin-bottom: 12px; }
.site-footer a { color: #D8DDE5; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer-grid { display: grid; gap: 32px; }
.copyright { margin-top: 32px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.12); font-size: .85rem; color: #9BA3B0; }

.cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; background: var(--surface); border-top: 1px solid var(--line); padding: 16px 0; box-shadow: 0 -4px 16px rgba(0,0,0,0.08); z-index: 110; }
.cookie-banner[hidden] { display: none; }
.cookie-inner { display: flex; flex-direction: column; gap: 12px; }
.cookie-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

.mobile-cta { position: fixed; bottom: 0; left: 0; right: 0; padding: 12px 16px; background: var(--surface); border-top: 1px solid var(--line); z-index: 90; display: flex; }
.mobile-cta .btn { width: 100%; }

.section-cta { margin-top: 32px; }

@media (min-width: 720px) {
  body { font-size: 18px; }
  .main-nav { display: flex; }
  .menu-toggle { display: none; }
  .mobile-cta { display: none; }
  .hero-grid { grid-template-columns: 1fr 1fr; align-items: center; }
  .hero-content { order: 1; }
  .hero-image { order: 2; }
  .cards-grid.six { grid-template-columns: repeat(2, 1fr); }
  .cards-grid.three { grid-template-columns: repeat(3, 1fr); }
  .two-col { grid-template-columns: 1fr 1fr; }
  .interior-grid { grid-template-columns: 1fr 1fr; align-items: center; }
  .energy-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-list { grid-template-columns: repeat(2, 1fr); }
  .faq-form-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cookie-inner { flex-direction: row; justify-content: space-between; align-items: center; }
}

@media (min-width: 1024px) {
  h1 { font-size: clamp(3rem, 4.2vw, 4.2rem); }
  .cards-grid.six { grid-template-columns: repeat(3, 1fr); }
  .steps-list { grid-template-columns: repeat(4, 1fr); }
  .energy-grid { grid-template-columns: repeat(4, 1fr); }
  .short-form-row { grid-template-columns: repeat(3, 1fr) auto; }
  .short-form-row button { width: auto; white-space: nowrap; }
}

.whatsapp-float { position: fixed; bottom: 24px; right: 24px; width: 56px; height: 56px; background: #25D366; color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(0,0,0,0.25); z-index: 95; transition: transform .2s; }
.whatsapp-float:hover { transform: scale(1.08); }

@media (max-width: 719px) {
  .whatsapp-float { bottom: 88px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}
