/* ===== Plombier Wallonie — New Home Design ===== */
:root {
  --blue: #062b63;
  --blue-dark: #001f4d;
  --blue-soft: #eaf2fb;
  --orange: #ff5a00;
  --orange-dark: #e84d00;
  --text: #071b3a;
  --muted: #5d6b82;
  --border: #e3e8f0;
  --bg: #f6f8fb;
  --white: #fff;
  --green: #2f7a44;
  --shadow: 0 18px 45px rgba(6, 43, 99, .14);
  --shadow-sm: 0 8px 20px rgba(6, 43, 99, .06);
  --radius: 22px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { margin: 0; font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--text); background: var(--white); line-height: 1.55; -webkit-font-smoothing: antialiased; overflow-x: hidden; padding-bottom: 70px; }
img, svg, video, canvas, iframe { max-width: 100%; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }

/* --- Skip link --- */
.skip-link { position: absolute; left: -999px; top: 10px; background: var(--blue); color: #fff; padding: 10px 14px; z-index: 100; border-radius: 6px; }
.skip-link:focus { left: 10px; }

/* --- Header --- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); backdrop-filter: blur(10px); box-shadow: 0 8px 20px rgba(7, 27, 58, .08); }
.topbar { height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 16px; max-width: 1120px; margin: 0 auto; padding: 0 20px; flex-wrap: nowrap; }
.brand { display: inline-flex; gap: 12px; align-items: center; }
.brand-icon { width: 50px; height: 50px; color: var(--blue); }
.brand strong { display: block; font-size: clamp(25px, 3vw, 34px); line-height: 1; letter-spacing: -1px; color: var(--blue); }
.brand em { color: var(--orange); font-style: normal; }
.brand small { display: block; color: var(--muted); font-size: 13px; margin-top: 4px; }
.topbar-actions { display: flex; align-items: center; gap: 22px; }

/* --- Nav --- */
.main-nav { background: var(--blue-dark); color: #fff; }
.nav-inner { display: flex; align-items: center; gap: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.nav-inner::-webkit-scrollbar { display: none; }
.nav-inner a { padding: 16px 18px; font-weight: 700; font-size: 14px; white-space: nowrap; border-bottom: 3px solid transparent; color: #fff; }
.nav-inner a:hover, .nav-inner a.active { border-color: var(--orange); background: rgba(255,255,255,.04); }

/* --- Burger menu --- */
.burger { display: none; background: none; border: none; cursor: pointer; z-index: 200; font-size: 28px; line-height: 1; color: var(--blue); padding: 4px 8px; }
.burger .burger-bars, .burger .burger-close { pointer-events: none; }
.burger .burger-close { display: none; }
.burger.open .burger-bars { display: none; }
.burger.open .burger-close { display: inline; }
.mobile-panel { display: none; }

/* --- Buttons --- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; border-radius: 9px; padding: 14px 22px; font-weight: 800; font-size: 14px; transition: .2s ease; border: none; cursor: pointer; text-decoration: none; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--orange); color: #fff; box-shadow: 0 10px 20px rgba(255, 90, 0, .22); }
.btn-primary:hover { background: var(--orange-dark); transform: translateY(-1px); }
.btn-primary::after { content: "\2192"; font-size: 22px; line-height: 0; }
.btn-secondary { border: 1px solid var(--blue); color: var(--blue); background: #fff; }
.btn-secondary:hover { background: var(--blue-soft); }
.btn-ghost { color: var(--blue); background: #fff; border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--bg); }
.btn-large { padding: 17px 26px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-cta { display: inline-flex; align-items: center; gap: 8px; background: var(--orange); color: #fff; padding: 12px 20px; border-radius: 9px; font-weight: 800; font-size: 14px; white-space: nowrap; box-shadow: 0 10px 20px rgba(255, 90, 0, .22); }
.btn-cta:hover { background: var(--orange-dark); color: #fff; text-decoration: none; transform: translateY(-1px); }
.btn-cta::after { content: "\2192"; font-size: 18px; line-height: 0; }
.cta-short { display: none; }

/* --- Hero --- */
.hero { position: relative; overflow: hidden; background: radial-gradient(circle at 70% 25%, #eaf2fb 0, rgba(234,242,251,.55) 28%, transparent 48%), linear-gradient(90deg, #fff 0%, #fff 48%, #f2f5f9 100%); }
.hero-grid { min-height: 690px; display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 54px; padding: 58px 0 72px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; padding: 8px 14px; border-radius: 999px; background: #fff; color: var(--blue); box-shadow: 0 8px 24px rgba(6,43,99,.08); font-size: 13px; font-weight: 800; text-transform: uppercase; }
.eyebrow span { color: var(--orange); }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(40px, 5vw, 66px); line-height: .98; letter-spacing: -2.6px; margin: 22px 0; color: var(--blue); }
.lead { font-size: 20px; color: var(--text); max-width: 610px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0 22px; }
.trust-list { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 22px; padding: 0; margin: 0; font-weight: 700; color: var(--blue); }
.trust-list li { display: flex; align-items: center; }
.trust-list .check { display: inline-grid; place-items: center; width: 22px; height: 22px; margin-right: 8px; border-radius: 50%; background: var(--blue-soft); color: var(--green); font-size: 12px; flex-shrink: 0; }
.hero-visual { position: relative; min-height: 585px; }
.hero-image { position: absolute; inset: 0 0 0 60px; border-radius: 0 0 0 80px; box-shadow: var(--shadow); background: linear-gradient(120deg, rgba(6,43,99,.15), rgba(255,90,0,.1)), var(--blue-soft); background-size: cover; background-position: center; }
.quality-badge { position: absolute; left: 12px; top: 58px; display: grid; place-items: center; width: 148px; height: 148px; border: 6px solid rgba(255,255,255,.35); border-radius: 50%; background: var(--blue); color: #fff; text-align: center; box-shadow: var(--shadow); text-transform: uppercase; }
.quality-badge .badge-icon { font-size: 28px; }
.quality-badge strong { line-height: 1.1; font-size: 16px; }
.quality-badge small { color: var(--orange); letter-spacing: 4px; }
.quote-card { position: absolute; right: 28px; bottom: 28px; width: min(430px, 90%); padding: 28px; border-radius: var(--radius); background: rgba(255,255,255,.96); box-shadow: var(--shadow); }
.quote-kicker { color: var(--orange); font-weight: 900; text-transform: uppercase; font-size: 13px; margin-bottom: 8px; }
.quote-card h2 { color: var(--blue); font-size: 26px; line-height: 1.12; margin-bottom: 10px; }
.quote-card > p { color: var(--muted); }
.steps-mini { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 20px 0; color: var(--blue); font-size: 13px; text-align: center; }
.steps-mini b { display: grid; place-items: center; width: 30px; height: 30px; margin: 0 auto 6px; color: #fff; background: var(--blue); border-radius: 50%; }
.secure { display: block; margin-top: 14px; text-align: center; color: var(--muted); font-size: 13px; }

/* --- Sections --- */
.section-heading { max-width: 700px; margin-bottom: 30px; }
.section-heading.centered { text-align: center; margin-inline: auto; }
.section-line { display: block; width: 42px; height: 3px; border-radius: 9px; background: var(--orange); margin-bottom: 14px; }
.section-heading.centered .section-line { margin-inline: auto; }
h2 { font-size: clamp(30px, 3.5vw, 44px); color: var(--blue); line-height: 1.08; letter-spacing: -1.5px; }
.section-heading p { color: var(--muted); font-size: 18px; }

/* --- Services --- */
.services { padding: 56px 0 36px; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card { padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; box-shadow: 0 14px 30px rgba(6,43,99,.06); transition: transform .2s, box-shadow .2s; }
.service-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.icon { display: inline-grid; place-items: center; width: 58px; height: 58px; margin-bottom: 18px; border-radius: 17px; background: var(--blue-soft); font-size: 26px; color: var(--blue); }
.service-card h3 { color: var(--blue); margin-bottom: 10px; font-size: 18px; }
.service-card p { color: var(--muted); font-size: 15px; }
.service-card .card-link { color: var(--orange); font-weight: 800; font-size: 14.5px; display: inline-block; margin-top: 10px; }
.service-card .card-link:hover { text-decoration: underline; }

/* --- Process --- */
.process { margin: 0; padding: 58px 0; background: var(--bg); }
.process-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 36px; align-items: start; }
.process-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.process-cards article { background: #fff; border-radius: var(--radius); padding: 24px; border: 1px solid var(--border); }
.process-cards b { display: grid; place-items: center; width: 42px; height: 42px; color: #fff; background: var(--orange); border-radius: 13px; margin-bottom: 16px; font-size: 18px; }
.process-cards h3 { font-size: 17px; color: var(--blue); margin-bottom: 8px; }
.process-cards p { color: var(--muted); font-size: 15px; margin: 0; }
.process-cta { text-align: center; margin-top: 34px; }

/* --- Confidence / Trust --- */
.confidence { padding: 48px 0 70px; }
.confidence-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.confidence-copy p { color: var(--muted); font-size: 17px; }
.confidence-copy .section-line { margin-bottom: 14px; }
.trust-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 28px 0; }
.trust-card { background: var(--bg); border: 1px solid var(--border); border-radius: 16px; padding: 20px; }
.trust-card .tc-icon { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: var(--blue-soft); color: var(--blue); font-size: 18px; margin-bottom: 12px; }
.trust-card h4 { font-size: 15px; color: var(--blue); margin: 0 0 6px; }
.trust-card p { color: var(--muted); font-size: 14px; margin: 0; }
.pro-card { position: relative; overflow: hidden; border-radius: var(--radius); box-shadow: var(--shadow); }
.pro-image { height: 360px; background: linear-gradient(120deg, rgba(6,43,99,.1), rgba(255,90,0,.08)), var(--blue-soft); background-size: cover; background-position: center; }
.stats-bar { position: absolute; left: 28px; right: 28px; bottom: 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 20px; border-radius: 17px; background: var(--blue); color: #fff; text-align: center; }
.stats-bar .stat strong { display: block; font-size: 26px; }
.stats-bar .stat span { font-size: 12px; color: rgba(255,255,255,.8); }

/* --- Zones --- */
.zones { padding: 58px 0; background: linear-gradient(180deg, #fff 0%, var(--bg) 100%); }
.zones-card { padding: 38px; background: #fff; border: 1px solid var(--border); border-radius: 28px; box-shadow: 0 18px 40px rgba(6,43,99,.08); }
.zones-top { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; align-items: center; margin-bottom: 32px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.chips a { padding: 10px 16px; border: 1px solid var(--border); border-radius: 999px; color: var(--blue); font-weight: 700; background: #fff; transition: border-color .15s, transform .15s; }
.chips a:hover { border-color: var(--orange); transform: translateY(-1px); }
.map-card { padding: 20px; border-radius: 24px; background: var(--blue-soft); display: grid; place-items: center; }
.zones-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.zone-stat { background: var(--blue-soft); border-radius: 18px; padding: 24px 20px; text-align: center; }
.zone-stat-icon { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: var(--blue); color: #fff; font-size: 20px; margin-bottom: 12px; }
.zone-stat strong { display: block; font-size: 20px; color: var(--blue); letter-spacing: -0.5px; }
.zone-stat span { font-size: 14px; color: var(--muted); }
@media(max-width:560px) { .zones-stats { grid-template-columns: 1fr 1fr; gap: 10px; } .zone-stat { padding: 18px 14px; } .zone-stat strong { font-size: 17px; } }
.zones-subtitle { font-size: 14px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 700; margin: 0 0 14px; }
.tiles { display: flex; flex-wrap: wrap; gap: 10px; }
.tile { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 12px 18px; text-align: center; transition: border-color .15s, transform .15s; }
.tile:hover { border-color: var(--orange); transform: translateY(-2px); text-decoration: none; }
.tile b { display: block; font-size: 15px; color: var(--blue); }
.tile span { font-size: 13px; color: var(--muted); }

/* --- Engagement (split) --- */
.engagement { padding: 58px 0; background: var(--bg); }
.engagement-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 50px; align-items: center; }
.engagement-copy h2 { text-align: left; }
.engagement-copy p { color: var(--muted); font-size: 16px; }
.engagement-copy ul { margin: 18px 0; padding-left: 0; list-style: none; }
.engagement-copy li { padding: 5px 0; display: flex; align-items: center; gap: 10px; color: var(--muted); }
.engagement-copy li i { color: var(--green); font-size: 14px; flex-shrink: 0; }
.aside-cta { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); text-align: center; }
.aside-cta h3 { font-size: 24px; color: var(--blue); margin: 0 0 10px; }
.aside-cta p { color: var(--muted); font-size: 15px; margin: 0 0 20px; }
.aside-cta .note { font-size: 13px; color: var(--muted); margin-top: 14px; }

/* --- FAQ --- */
.faq-section { padding: 54px 0; }
.faq-grid { display: grid; gap: 14px; max-width: 760px; margin: 0 auto; }
details { border: 1px solid var(--border); border-radius: 18px; padding: 20px 22px; background: #fff; }
summary { cursor: pointer; color: var(--blue); font-weight: 800; font-size: 18px; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 24px; color: var(--orange); line-height: 1; transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { margin: 14px 0 0; color: var(--muted); }

/* --- Final CTA --- */
.final-cta { padding: 42px 0 72px; }
.final-card { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 42px; border-radius: 30px; background: var(--blue-dark); color: #fff; }
.final-card h2 { color: #fff; margin-bottom: 10px; }
.final-card p { color: rgba(255,255,255,.78); max-width: 650px; margin: 0; }
.final-card .btn-primary { flex-shrink: 0; }

/* --- Footer --- */
footer.site-footer { background: var(--blue-dark); color: rgba(255,255,255,.7); font-size: 14.5px; }
.foot-cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; padding: 42px 0 26px; }
footer h4 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: .06em; margin: 0 0 12px; }
footer a { color: rgba(255,255,255,.8); }
footer a:hover { color: #fff; }
.foot-links { display: flex; flex-direction: column; gap: 8px; }
.foot-lead { max-width: 42ch; line-height: 1.6; }
.foot-legal { border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0; font-size: 13px; display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; align-items: center; }
.foot-disclaimer { padding: 0 0 28px; font-size: 12.5px; color: rgba(255,255,255,.5); line-height: 1.6; }

/* --- Sticky CTA bar --- */
.sticky-devis { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; transform: translateY(120%); transition: transform .35s cubic-bezier(.4,0,.2,1); background: var(--blue-dark); border-top: 3px solid var(--orange); }
.sticky-devis.show { transform: translateY(0); }
.sticky-devis .sd-inner { max-width: 1120px; margin: 0 auto; padding: 13px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.sticky-devis .sd-text { color: #fff; font-weight: 700; font-size: 1.1rem; display: flex; align-items: center; gap: 12px; }
.sticky-devis .sd-text i { color: var(--orange); }
.sticky-devis .sd-sub { display: block; font-size: .8rem; color: rgba(255,255,255,.6); font-weight: 400; }
.sticky-devis .sd-btn { display: inline-flex; align-items: center; gap: 8px; background: var(--orange); color: #fff; padding: 14px 28px; border-radius: 9px; font-weight: 800; font-size: 15px; white-space: nowrap; text-decoration: none; transition: background .15s; }
.sticky-devis .sd-btn:hover { background: var(--orange-dark); }

/* ===== RESPONSIVE ===== */
@media (max-width: 980px) {
  .topbar { height: auto; padding: 14px 20px; flex-wrap: nowrap; }
  .topbar-actions { gap: 12px; flex-shrink: 0; }
  .hero-grid, .process-grid, .confidence-grid, .zones-top, .engagement-grid { grid-template-columns: 1fr; }
  .hero-grid { min-height: auto; padding-top: 42px; }
  .hero-visual { min-height: 560px; }
  .hero-image { left: 0; border-radius: 38px; }
  .service-grid, .process-cards { grid-template-columns: repeat(2, 1fr); }
  .trust-cards { grid-template-columns: 1fr 1fr; }
  .foot-cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 820px) {
  .main-nav { display: none; }
  .topbar-actions .btn-cta { display: none; }
  .burger { display: block; }
  .topbar { height: auto; padding: 12px 16px; gap: 12px; }
  .brand { min-width: 0; }
  .brand-icon { width: 36px; height: 36px; flex-shrink: 0; }
  .brand-icon svg { width: 36px; height: 36px; }
  .brand strong { font-size: clamp(18px, 5vw, 26px); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .brand small { font-size: 11px; }
  .mobile-panel { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: #fff; z-index: 100; padding: 20px; padding-top: 70px; overflow-y: auto; -webkit-overflow-scrolling: touch; }
  .mobile-panel.open { display: flex; flex-direction: column; gap: 0; }
  .mobile-panel nav { display: flex; flex-direction: column; gap: 0; }
  .mobile-panel nav a { font-size: 17px; font-weight: 700; color: var(--blue); padding: 14px 0; border-bottom: 1px solid var(--border); text-decoration: none; }
  .mobile-panel nav a:hover { text-decoration: none; color: var(--orange); }
  .mobile-panel .btn-cta-block { margin-top: 20px; display: flex; align-items: center; justify-content: center; gap: 8px; background: var(--orange); color: #fff; padding: 16px 24px; border-radius: 9px; font-weight: 800; font-size: 16px; text-decoration: none; flex-shrink: 0; }
  .mobile-panel .btn-cta-block::after { content: "\2192"; font-size: 20px; }
  .mobile-panel .btn-cta-block:hover { text-decoration: none; }
}

@media (max-width: 680px) {
  .container { width: min(100% - 28px, 1120px); }
  .hero { background: linear-gradient(180deg, #fff 0, #f6f8fb 100%); }
  h1 { font-size: 40px; letter-spacing: -1.8px; }
  .lead { font-size: 17px; }
  .hero-actions, .final-card { display: grid; }
  .trust-list, .service-grid, .process-cards, .trust-cards { grid-template-columns: 1fr; }
  .hero-visual { min-height: 620px; }
  .quality-badge { width: 118px; height: 118px; left: 14px; top: 22px; }
  .quality-badge strong { font-size: 13px; }
  .quote-card { left: 14px; right: 14px; width: auto; bottom: 14px; padding: 22px; }
  .steps-mini { grid-template-columns: 1fr; text-align: left; }
  .steps-mini span { display: flex; align-items: center; gap: 10px; }
  .steps-mini b { margin: 0; }
  .services, .confidence, .faq-section { padding: 38px 0; }
  .zones-card, .final-card { padding: 26px; }
  .stats-bar { position: static; border-radius: 0; }
  .pro-card { background: var(--blue); }
  .tiles { gap: 8px; }
  .tile { padding: 10px 14px; }
  .foot-cols { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .topbar { padding: 10px 12px; gap: 8px; }
  .brand-icon { width: 32px; height: 32px; }
  .brand-icon svg { width: 32px; height: 32px; }
  .brand strong { font-size: 18px; }
  .brand small { display: none; }
  .brand { gap: 8px; }
  .mobile-panel { padding: 16px; padding-top: 62px; }
  .mobile-panel nav a { font-size: 16px; padding: 13px 0; }
  .sticky-devis .sd-inner { flex-wrap: nowrap; justify-content: space-between; text-align: left; padding: 9px 14px; gap: 10px; }
  .sticky-devis .sd-text { font-size: .92rem; gap: 8px; line-height: 1.15; }
  .sticky-devis .sd-text i { display: none; }
  .sticky-devis .sd-sub { display: none; }
  .sticky-devis .sd-btn { padding: 10px 16px; font-size: .86rem; flex: none; }
  .hero { padding-top: 10px; }
  .aside-cta { padding: 24px; }
}

/* --- Reveal animation --- */
.reveal { opacity: 0; transform: translateY(10px); animation: rise .6s ease forwards; }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .reveal { animation: none; opacity: 1; transform: none; } }