/* ===================================================
   Cool Toit & Façade – Feuille de styles principale
   =================================================== */

:root {
  --navy: #1B3A6B;
  --blue: #1E90FF;
  --green: #4CAF50;
  --orange: #FF8C00;
  --white: #FFFFFF;
  --light-bg: #F0F7FF;
  --text: #2C3E50;
  --footer-bg: #0f2240;
  --footer-text: #ccd6e8;
  --transition: 0.3s ease;
  --shadow: 0 4px 20px rgba(0,0,0,0.1);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.18);
  --radius: 12px;
  --header-h: 72px;
  --header-h-scrolled: 56px;
  /* Aliases for older classes that reference --color-* */
  --color-navy: #1B3A6B;
  --color-blue: #1E90FF;
  --color-green: #4CAF50;
  --color-orange: #FF8C00;
  --color-white: #FFFFFF;
  --color-light-bg: #F0F7FF;
  --color-text: #2C3E50;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;color:var(--text);background:var(--white);line-height:1.6;overflow-x:hidden;-webkit-tap-highlight-color:transparent}
img{max-width:100%;height:auto;display:block}
p,li,span{overflow-wrap:break-word;word-break:break-word}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3,h4{line-height:1.2;font-weight:700}
h1{font-size:clamp(2rem,5vw,3.5rem)}
h2{font-size:clamp(1.6rem,3.5vw,2.4rem)}
h3{font-size:clamp(1.1rem,2.5vw,1.4rem)}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important}html{scroll-behavior:auto}}

.container{max-width:1200px;margin:0 auto;padding:0 20px}
section{padding:80px 20px}
.section-eyebrow{text-align:center;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--blue);font-size:0.85rem;margin-bottom:0.5rem}
.section-title{text-align:center;color:var(--navy);margin-bottom:0.5rem}
.section-divider{width:60px;height:4px;background:linear-gradient(90deg,var(--blue),var(--green));margin:0.75rem auto 1.5rem;border-radius:2px}
.section-subtitle{text-align:center;color:#666;margin-bottom:3rem;font-size:1.05rem}
.note{text-align:center;font-size:0.8rem;color:#666;margin-top:24px}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:50px;font-size:0.97rem;font-weight:600;cursor:pointer;transition:transform var(--transition),box-shadow var(--transition),background var(--transition),color var(--transition),border-color var(--transition);border:2px solid transparent;text-decoration:none;white-space:nowrap;line-height:1.3;touch-action:manipulation;min-height:44px}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn:active{transform:translateY(0)}
/* Primaire : orange plein */
.btn-primary{background:var(--orange);color:var(--white);border-color:var(--orange)}
.btn-primary:hover{background:#e07b00;border-color:#e07b00;color:var(--white)}
/* Secondaire : contour blanc (sur fond sombre) */
.btn-secondary{background:transparent;color:var(--white);border-color:var(--white)}
.btn-secondary:hover{background:var(--white);color:var(--navy)}
/* Contour : contour navy (sur fond clair) */
.btn-outline{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:var(--white)}
/* Tailles */
.btn-sm{padding:8px 18px;font-size:0.85rem}
.btn-lg{padding:16px 36px;font-size:1.05rem}
.btn-full{width:100%}
/* Bouton du diag-banner (même primary mais avec espacement propre) */
.btn-diag{margin-top:20px}

/* ---- Skip link ---- */
.skip-link{position:absolute;top:-60px;left:12px;z-index:10000;background:var(--navy);color:var(--white);padding:12px 20px;border-radius:8px;font-weight:600;font-size:0.9rem;transition:top var(--transition)}
.skip-link:focus{top:12px}

/* ---- Header ---- */
#site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(27,58,107,0.97);backdrop-filter:blur(8px);height:var(--header-h);display:flex;align-items:center;transition:height var(--transition),box-shadow var(--transition);box-shadow:0 2px 12px rgba(0,0,0,0.15)}
#site-header.scrolled{height:var(--header-h-scrolled);box-shadow:0 4px 20px rgba(0,0,0,0.25)}
.header-inner{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:1200px;margin:0 auto;padding:0 24px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;line-height:1}
.logo-text{display:flex;flex-direction:column}
.logo-main{font-size:1.2rem;font-weight:800;color:var(--white);letter-spacing:-0.3px}
.logo-sub{font-size:0.62rem;color:var(--blue);letter-spacing:1px;text-transform:uppercase;margin-top:2px}
.logo-img{height:56px;width:auto;object-fit:contain;display:block;transition:height var(--transition)}
#site-header.scrolled .logo-img{height:44px}
nav.main-nav{display:flex;align-items:center;gap:4px}
nav.main-nav a{color:rgba(255,255,255,0.85);font-size:0.9rem;font-weight:500;padding:6px 10px;border-radius:6px;transition:color var(--transition),background var(--transition)}
nav.main-nav a:hover,nav.main-nav a.active{color:var(--white);background:rgba(255,255,255,0.1)}
.header-cta{display:flex;align-items:center;gap:12px}
.header-phones{display:flex;flex-direction:column;gap:2px}
.header-phone{color:var(--white);font-weight:600;font-size:0.95rem;display:flex;align-items:center;gap:6px;white-space:nowrap}
.header-phone i{color:var(--green)}
.btn-header{padding:9px 18px;font-size:0.85rem;white-space:nowrap}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:10px;background:none;border:none;min-width:44px;min-height:44px;align-items:center;justify-content:center;touch-action:manipulation}
.hamburger span{display:block;width:24px;height:2px;background:var(--white);border-radius:2px;transition:all 0.3s ease;transform-origin:center}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0;transform:scaleX(0)}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{display:none;position:fixed;top:var(--header-h);left:0;right:0;background:var(--navy);z-index:999;padding:16px 24px 24px;flex-direction:column;gap:4px;box-shadow:0 8px 24px rgba(0,0,0,0.2);transition:top var(--transition)}
#site-header.scrolled~.mobile-nav{top:var(--header-h-scrolled)}
.mobile-nav.open{display:flex}
.mobile-nav a{color:rgba(255,255,255,0.9);font-size:1rem;padding:12px 16px;border-radius:8px;font-weight:500;min-height:44px;display:flex;align-items:center;touch-action:manipulation}
.mobile-nav a:hover{background:rgba(255,255,255,0.1)}
.mobile-nav .btn{margin-top:8px;justify-content:center}
.mobile-tel{margin-top:8px;color:rgba(255,255,255,0.7) !important;font-size:0.9rem}
.mobile-tel i{color:var(--green);margin-right:6px}

/* ---- Hero ---- */
#hero{background:linear-gradient(135deg,#0d1f3c 0%,var(--navy) 45%,#1250a0 75%,#0a4eb8 100%);display:flex;flex-direction:column;align-items:center;padding:0;position:relative;overflow:hidden}
.hero-banner-img{position:relative;width:100%;max-width:1600px;height:auto;display:block;margin:var(--header-h) auto 0;z-index:1}
#hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:120px;background:linear-gradient(to top,var(--light-bg),transparent);z-index:0}
.hero-content{position:relative;z-index:1;text-align:center;max-width:900px;padding:48px 20px 60px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(30,144,255,0.2);border:1px solid rgba(30,144,255,0.4);color:#7ec8ff;padding:6px 16px;border-radius:50px;font-size:0.8rem;letter-spacing:2px;text-transform:uppercase;font-weight:600;margin-bottom:24px}
.hero-content h1{color:var(--white);margin-bottom:20px;text-shadow:0 2px 20px rgba(0,0,0,0.3)}
.hero-content h1 span{color:var(--blue)}
.hero-subtagline{color:rgba(255,255,255,0.8);font-size:clamp(1rem,2.5vw,1.2rem);margin-bottom:40px}
.hero-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:40px}
.hero-stat{background:rgba(255,255,255,0.1);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.2);color:var(--white);padding:10px 18px;border-radius:50px;font-size:0.85rem;font-weight:600;display:flex;align-items:center;gap:8px}
.hero-stat i{color:var(--green)}
.hero-ctas{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}

/* ---- Chiffres ---- */
#chiffres{background:var(--light-bg)}
.chiffres-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.chiffre-card{background:var(--white);border-radius:var(--radius);padding:32px 20px;text-align:center;box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition);border-top:4px solid var(--blue)}
.chiffre-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.chiffre-card:nth-child(2){border-top-color:var(--green)}
.chiffre-card:nth-child(3){border-top-color:var(--orange)}
.chiffre-card:nth-child(4){border-top-color:var(--navy)}
.chiffre-icon{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:1.4rem;background:var(--light-bg);color:var(--blue)}
.chiffre-card:nth-child(2) .chiffre-icon{color:var(--green)}
.chiffre-card:nth-child(3) .chiffre-icon{color:var(--orange)}
.chiffre-card:nth-child(4) .chiffre-icon{color:var(--navy)}
.chiffre-number{font-size:2.4rem;font-weight:800;color:var(--navy);line-height:1;margin-bottom:8px}
.chiffre-label{font-size:0.9rem;color:#666;font-weight:500}

/* ---- Solutions ---- */
#solutions{background:var(--white)}
.produits-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;max-width:960px;margin:0 auto}
.produit-card{border-radius:var(--radius);padding:40px 32px;color:var(--white);position:relative;overflow:hidden}
.produit-card::before{content:'';position:absolute;top:-50%;right:-20%;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,0.08)}
.produit-card.toit{background:linear-gradient(135deg,var(--navy),#2563eb)}
.produit-card.facade{background:linear-gradient(135deg,#1a7a3e,var(--green))}
.produit-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,0.15);padding:4px 12px;border-radius:50px;font-size:0.75rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:16px}
.produit-card h3{font-size:1.6rem;margin-bottom:8px}
.produit-subtitle{font-size:0.95rem;opacity:0.85;margin-bottom:24px}
.produit-features{display:flex;flex-direction:column;gap:10px;margin-top:24px}
.produit-feature{display:flex;align-items:center;gap:10px;font-size:0.95rem}
.produit-feature--special{margin-top:6px;padding:10px 12px;background:rgba(255,255,255,0.15);border-radius:8px;font-weight:700}
.produit-feature--garantie{opacity:0.75;font-size:0.85rem;border-top:1px solid rgba(255,255,255,0.15);padding-top:12px;margin-top:4px}
.coolwall-colors{margin-top:24px;background:rgba(255,255,255,0.12);border-radius:10px;padding:16px}
.coolwall-colors-label{font-size:0.85rem;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:6px;opacity:0.9}
.color-swatches{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px;margin-top:12px}
.swatch{display:flex;flex-direction:column;align-items:center;gap:6px;cursor:default;width:72px;text-align:center}
.swatch::before{content:'';display:block;width:40px;height:40px;border-radius:50%;border:2px solid rgba(255,255,255,0.5);background:inherit;margin:0 auto}
.swatch span{font-size:0.68rem;font-weight:600;white-space:normal;line-height:1.2;width:100%}
.coolwall-perf-note{font-size:0.8rem;opacity:0.9;display:flex;align-items:center;gap:6px}

/* Services compacts */
.services-compact{margin-top:56px;padding:40px;background:var(--light-bg);border-radius:var(--radius)}
.services-compact-title{text-align:center;color:var(--navy);margin-bottom:28px;font-size:1.2rem}
.services-legend{text-align:center;font-size:0.82rem;color:#666;margin-top:20px}
.cool-star{color:var(--blue);font-weight:700;margin-right:4px}
.services-icons-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:16px}
.svc-item{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}
.svc-icon{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--blue));display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--white);transition:transform var(--transition)}
.svc-icon.cool-icon{background:linear-gradient(135deg,var(--blue),var(--green))}
.svc-item:hover .svc-icon{transform:scale(1.1)}
.svc-item span{font-size:0.75rem;color:var(--navy);font-weight:600;line-height:1.3}

/* ---- Expertises détaillées (visuels) ---- */
.expertise-item{position:relative;display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition);background:var(--white);border:1px solid #e5edf7}
.expertise-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.expertise-item img{width:100%;aspect-ratio:4/3;object-fit:contain;object-position:center;background:var(--light-bg);transition:transform 0.5s ease}
.expertise-item:hover img{transform:scale(1.04)}
.expertise-caption{padding:12px 16px;background:var(--navy);color:var(--white);font-size:0.88rem;font-weight:600;display:flex;align-items:center;gap:8px}
.expertise-caption i{color:#90caf9;font-size:0.8rem}

.expertises-featured-row{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:700px;margin:0 auto 28px}
.expertise-featured img{aspect-ratio:16/10}
.expertise-featured .expertise-caption{justify-content:center;font-size:0.95rem}

.expertises-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}

/* ---- Confiance ---- */
#confiance{background:var(--light-bg)}
.confiance-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.confiance-bloc{background:var(--white);border-radius:var(--radius);padding:32px 24px;box-shadow:var(--shadow)}
.confiance-bloc-title{color:var(--navy);font-size:1rem;margin-bottom:20px;display:flex;align-items:center;gap:8px;font-weight:700;text-transform:uppercase;letter-spacing:1px}
.confiance-bloc-title i{color:var(--blue)}

/* Labels */
.labels-list{display:flex;flex-direction:column;gap:12px}
.label-badge{display:flex;align-items:center;gap:12px;background:var(--light-bg);border-radius:8px;padding:12px 16px}
.label-icon{font-size:1.4rem;color:var(--navy);flex-shrink:0}
.label-text{display:flex;flex-direction:column;flex:1;min-width:0}
.label-name{font-size:1rem;font-weight:800;color:var(--navy);display:block;white-space:nowrap}
.label-desc{font-size:0.78rem;color:#666;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* Pour qui */
.pour-qui-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.client-item{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;background:var(--light-bg);border-radius:8px;text-align:center}
.client-item i{font-size:1.5rem;color:var(--blue)}
.client-item span{font-size:0.78rem;font-weight:600;color:var(--navy)}

/* Zone */
.zone-text{font-size:0.9rem;color:#555;margin-bottom:16px;line-height:1.6}
.zone-tags{display:flex;flex-wrap:wrap;gap:6px}
.zone-tag{background:var(--light-bg);color:var(--navy);padding:4px 12px;border-radius:50px;font-size:0.8rem;font-weight:500;border:1px solid #c8dff8}
.zone-note{margin-top:14px;font-size:0.82rem;color:#666;font-style:italic;display:flex;align-items:center;gap:6px}
.zone-note i{color:var(--blue)}

/* ---- FAQ ---- */
#faq{background:var(--white)}
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;cursor:pointer;font-weight:600;color:var(--navy);gap:16px;transition:background var(--transition);user-select:none}
.faq-question:hover{background:var(--light-bg)}
.faq-question.open{background:var(--light-bg);color:var(--blue)}
.faq-chevron{flex-shrink:0;font-size:0.9rem;color:var(--blue);transition:transform 0.3s ease}
.faq-question.open .faq-chevron{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.3s ease;padding:0 24px}
.faq-answer.open{max-height:400px;padding:0 24px 20px}
.faq-answer p{color:#555;font-size:0.95rem;line-height:1.7}
.faq-cta{text-align:center;margin-top:40px}
.faq-cta p{color:#666;margin-bottom:16px}

/* ---- Contact ---- */
#contact{background:var(--light-bg)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;max-width:1100px;margin:0 auto}
.contact-form-col{background:var(--white);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow);border:1px solid #e5edf8;min-width:0}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group.full{grid-column:1 / -1}
.form-group label{font-size:0.9rem;font-weight:600;color:var(--navy)}
.form-group label .required{color:var(--orange);margin-left:2px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 16px;border:1.5px solid #d1e0f5;border-radius:8px;font-size:1rem;color:var(--text);font-family:inherit;transition:border-color var(--transition),box-shadow var(--transition);background:var(--white);box-sizing:border-box;-webkit-appearance:none;appearance:none}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,144,255,0.1)}
.form-group select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%232C3E50' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}
.form-group.interacted input:valid,.form-group.interacted select:valid,.form-group.interacted textarea:valid{border-color:var(--green)}
.form-group.interacted input:invalid,.form-group.interacted select:invalid,.form-group.interacted textarea:invalid{border-color:#e74c3c}
.form-group textarea{min-height:120px;resize:vertical}
.form-error{font-size:0.8rem;color:#e74c3c;display:none}
.form-group.interacted input:invalid~.form-error,.form-group.interacted select:invalid~.form-error,.form-group.interacted textarea:invalid~.form-error{display:block}
.form-submit{margin-top:8px}
.form-submit .btn{width:100%;justify-content:center}
.form-note{text-align:center;font-size:0.8rem;color:#666;margin-top:12px}
.contact-calendly-col{display:flex;flex-direction:column;min-width:0}
.calendly-title{color:var(--navy);margin-bottom:8px;font-size:1.1rem;display:flex;align-items:center;gap:8px}
.calendly-title i{color:var(--blue)}
.calendly-sub{color:#666;font-size:0.9rem;margin-bottom:20px}
.contact-direct{display:flex;flex-direction:column;align-items:stretch;gap:0;margin-top:24px;padding:24px;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow)}
.contact-direct p{font-weight:600;color:var(--navy);margin-bottom:12px;text-align:center}
.contact-hours{font-size:0.85rem;color:#666;margin-top:12px;text-align:center}

/* ---- Footer ---- */
footer{background:var(--footer-bg);color:var(--footer-text);padding:60px 20px 0}
.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;max-width:1200px;margin:0 auto;padding-bottom:48px}
.footer-col h4{color:var(--white);font-size:1rem;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid rgba(255,255,255,0.1)}
.footer-logo-img{height:100px;width:auto;object-fit:contain;margin-bottom:16px;display:block}
.footer-tagline{font-size:0.8rem;color:rgba(255,255,255,0.5);text-transform:uppercase;letter-spacing:1px;margin-bottom:20px}
.footer-contact-item{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;font-size:0.9rem}
.footer-contact-item i{color:var(--blue);margin-top:2px;flex-shrink:0}
.footer-contact-item a{color:var(--footer-text);transition:color var(--transition)}
.footer-contact-item a:hover{color:var(--white)}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{color:var(--footer-text);font-size:0.9rem;display:flex;align-items:center;gap:6px;transition:color var(--transition)}
.footer-links a::before{content:'›';color:var(--blue)}
.footer-links a:hover{color:var(--white)}
.footer-labels{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}
.footer-label{background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.15);color:var(--white);padding:6px 16px;border-radius:6px;font-size:0.85rem;font-weight:700}
.footer-note{font-size:0.85rem;color:rgba(255,255,255,0.6);margin-bottom:8px}
.footer-siret{font-size:0.8rem;color:rgba(255,255,255,0.5)}
.footer-socials{display:flex;gap:10px;margin-top:20px}
.social-link{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);color:var(--white);display:flex;align-items:center;justify-content:center;font-size:1rem;transition:background var(--transition),transform var(--transition)}
.social-link:hover{background:var(--blue);transform:translateY(-2px)}
.contact-socials{display:flex;gap:10px;margin-top:16px;justify-content:center}
.contact-socials .social-link{background:rgba(27,58,107,0.08);border:1px solid rgba(27,58,107,0.2);color:var(--navy)}
.contact-socials .social-link:hover{background:var(--navy);color:var(--white)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding:20px;text-align:center;font-size:0.85rem;color:rgba(255,255,255,0.65);max-width:1200px;margin:0 auto}
.footer-bottom a{color:rgba(255,255,255,0.5)}
.footer-legal{margin-top:4px;font-size:0.75rem}

/* ---- FAB téléphone ---- */
.fab-tel{position:fixed;bottom:28px;right:28px;z-index:900;width:56px;height:56px;border-radius:50%;background:var(--green);color:var(--white);display:flex;align-items:center;justify-content:center;font-size:1.4rem;box-shadow:0 4px 20px rgba(76,175,80,0.5);transition:transform var(--transition),box-shadow var(--transition)}
.fab-tel:hover{transform:scale(1.1);box-shadow:0 6px 28px rgba(76,175,80,0.7)}

/* ---- Animations ---- */
.fade-in{opacity:0;transform:translateY(30px);transition:opacity 0.6s ease,transform 0.6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}
.fade-in-delay-1{transition-delay:0.1s}
.fade-in-delay-2{transition-delay:0.2s}
.fade-in-delay-3{transition-delay:0.3s}
.fade-in-delay-4{transition-delay:0.4s}

/* ========================================
   VISUEL 1 : COOL ROOF TOITURE CARD
   ======================================== */
.visual-coolroof{background:linear-gradient(160deg,#0d1f45 0%,#1B3A6B 60%,#1a5276 100%);border-radius:12px;overflow:hidden;margin:20px 0 24px;border:1px solid rgba(30,144,255,0.3)}
.visual-coolroof-scene{position:relative;height:110px;overflow:hidden;background:linear-gradient(180deg,#87CEEB 0%,#d0eaff 100%)}
.roof-tiles{display:grid;grid-template-columns:repeat(9,1fr);gap:2px;padding:20px 8px 0;position:absolute;bottom:0;left:0;right:0;height:80px;transform:perspective(200px) rotateX(15deg);transform-origin:bottom}
.tile{background:linear-gradient(180deg,#c0392b,#922b21);border-radius:4px 4px 0 0;height:100%}
.tile.after{background:linear-gradient(180deg,#ecf0f1,#d5d8dc);box-shadow:0 0 6px rgba(255,255,255,0.6)}
.worker-badge{position:absolute;top:8px;right:14px;background:white;color:#1B3A6B;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1rem;box-shadow:0 2px 8px rgba(0,0,0,0.2)}
.visual-coolroof-temp{display:flex;align-items:center;gap:16px;padding:16px 20px}
.thermo-visual{display:flex;flex-direction:column;align-items:center;gap:0}
.thermo-tube{width:14px;height:56px;background:rgba(255,255,255,0.15);border-radius:7px 7px 0 0;border:2px solid rgba(255,255,255,0.4);overflow:hidden;position:relative}
.thermo-fill{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(180deg,#4fc3f7,#1565c0);height:35%;border-radius:0}
.thermo-bulb{width:22px;height:22px;background:radial-gradient(circle,#64b5f6,#1565c0);border-radius:50%;border:2px solid rgba(255,255,255,0.4);margin-top:-2px}
.temp-info{flex:1}
.temp-label{font-size:0.7rem;color:rgba(255,255,255,0.7);font-weight:700;letter-spacing:1px;text-transform:uppercase}
.temp-value{font-size:1.6rem;font-weight:900;color:#fff;line-height:1.1;letter-spacing:-0.5px}
.temp-sub{font-size:0.78rem;color:rgba(255,255,255,0.85);font-weight:600;text-transform:uppercase;letter-spacing:0.5px;margin-top:2px}
.temp-sub span{color:#90caf9;margin-left:4px}


/* ========================================
   VISUEL 3 : DIAGNOSTIC THERMIQUE OFFERT
   ======================================== */
.diag-banner{margin-top:40px;background:linear-gradient(135deg,#0d1f45 0%,#1B3A6B 50%,#1a5276 100%);border-radius:16px;padding:32px 40px;display:flex;align-items:center;gap:40px;box-shadow:0 8px 40px rgba(27,58,107,0.25);border:1px solid rgba(30,144,255,0.2)}
.diag-camera{flex-shrink:0}
.camera-body{width:100px;height:80px;background:linear-gradient(160deg,#2c2c2c,#1a1a1a);border-radius:10px;position:relative;box-shadow:0 4px 16px rgba(0,0,0,0.5),inset 0 1px 0 rgba(255,255,255,0.1);display:flex;align-items:center;justify-content:center}
.camera-lens{width:60px;height:60px;background:radial-gradient(circle,#0d0d0d,#1a1a1a);border-radius:10px;border:2px solid #333;display:flex;align-items:center;justify-content:center;position:relative}
.lens-inner{width:46px;height:46px;border-radius:8px;background:#000;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(2,1fr);gap:1px;padding:2px;overflow:hidden}
.heat-pixel{border-radius:2px}
.p1{background:#ff1744}
.p2{background:#ff6d00}
.p3{background:#ffea00}
.p4{background:#ff6d00}
.p5{background:#1565c0}
.p6{background:#4fc3f7}
.camera-grip{position:absolute;bottom:-16px;left:50%;transform:translateX(-50%);width:30px;height:18px;background:linear-gradient(160deg,#2c2c2c,#1a1a1a);border-radius:0 0 8px 8px}
.diag-content{flex:1}
.diag-title{font-size:clamp(0.9rem,2.5vw,1.2rem);font-weight:800;color:rgba(255,255,255,0.9);letter-spacing:2px;text-transform:uppercase;margin-bottom:4px}
.diag-offert{font-size:clamp(2rem,5vw,3.2rem);font-weight:900;color:#4CAF50;line-height:1;margin-bottom:16px;text-shadow:0 0 20px rgba(76,175,80,0.4)}
.diag-features{display:flex;flex-wrap:wrap;gap:10px 24px;margin-bottom:4px}
.diag-feat{color:rgba(255,255,255,0.85);font-size:0.95rem;font-weight:500}
.diag-feat i{color:#4CAF50;margin-right:6px}

/* ===== CALENDLY RESPONSIVE ===== */
.calendly-mobile{display:none}
.calendly-mobile-note{text-align:center;color:#888;font-size:0.82rem;margin-top:10px}

/* ---- Responsive 1024px ---- */
@media(max-width:1024px){
  nav.main-nav{display:none}
  .hamburger{display:flex}
  .header-phones{display:none}
  .logo-main{font-size:1rem}
  .logo-sub{display:none}
  .chiffres-grid{grid-template-columns:repeat(2,1fr)}
  .expertises-grid{grid-template-columns:repeat(2,1fr)}
  .confiance-grid{grid-template-columns:1fr 1fr}
  .confiance-grid .confiance-bloc:last-child{grid-column:1/-1}
  .services-icons-grid{grid-template-columns:repeat(4,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-grid .footer-col:last-child{grid-column:1/-1}
}

/* ---- Responsive 768px ---- */
@media(max-width:768px){
  .calendly-desktop{display:none}
  .calendly-mobile{display:block;text-align:center}

  section{padding:52px 16px}
  .section-subtitle{font-size:0.97rem;margin-bottom:2rem}

  /* Header */
  .btn-header{display:none}

  /* Hero */
  .hero-badge{font-size:0.78rem;letter-spacing:0.5px;padding:6px 12px;text-align:center;white-space:nowrap;flex-wrap:nowrap}
  .hero-stats{gap:8px}
  .hero-stat{font-size:0.82rem;padding:9px 12px}
  .hero-ctas{flex-direction:column;align-items:stretch;width:100%;max-width:320px;margin:0 auto}
  .hero-ctas .btn{width:100%;justify-content:center}

  /* Chiffres */
  .chiffres-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .chiffre-number{font-size:2rem}
  .chiffre-card{padding:24px 16px}

  /* Solutions */
  .produits-grid{grid-template-columns:1fr}
  .produit-card{padding:28px 20px}
  .color-swatches{justify-content:center}

  /* Services */
  .services-compact{padding:24px 16px;margin-top:36px}
  .services-icons-grid{grid-template-columns:repeat(3,1fr);gap:12px}

  /* Expertises */
  .expertises-featured-row{grid-template-columns:1fr;gap:14px;max-width:400px}
  .expertises-grid{grid-template-columns:repeat(2,1fr);gap:14px}

  /* Confiance */
  .confiance-grid{grid-template-columns:1fr}
  .confiance-grid .confiance-bloc:last-child{grid-column:auto}
  .confiance-bloc{padding:24px 18px}

  /* Diag */
  .diag-banner{flex-direction:column;text-align:center;gap:20px;padding:28px 20px;margin-top:28px}
  .diag-features{justify-content:center}

  /* Contact */
  .contact-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .form-group.full{grid-column:auto}
  .contact-form-col{padding:24px 16px}

  /* Footer */
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid .footer-col:last-child{grid-column:auto}
  .footer-logo-img{height:80px}
}

/* ---- Responsive 480px ---- */
@media(max-width:480px){
  section{padding:40px 12px}
  .section-subtitle{font-size:0.92rem}

  /* Logo */
  .logo-text{display:none}
  .logo-img{height:44px}

  /* Hero */
  .hero-content{padding:32px 8px 40px}
  .hero-badge{white-space:normal;letter-spacing:0.3px}
  .hero-stat{font-size:0.8rem;padding:8px 10px}
  .hero-ctas{max-width:100%}

  /* Chiffres */
  .chiffres-grid{grid-template-columns:1fr}
  .chiffre-card{padding:20px 14px}
  .chiffre-number{font-size:1.8rem}

  /* Solutions */
  .produit-card{padding:20px 14px}
  .produit-card h3{font-size:1.3rem}
  .swatch{width:52px}
  .swatch::before{width:34px;height:34px}
  .swatch span{font-size:0.63rem}

  /* Services */
  .services-compact{padding:20px 12px}
  .services-icons-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .svc-icon{width:44px;height:44px;font-size:1rem}
  .svc-item span{font-size:0.75rem}

  /* Expertises */
  .expertises-grid{grid-template-columns:1fr;gap:12px}

  /* Confiance */
  .confiance-bloc{padding:20px 16px}
  .label-desc{white-space:normal}

  /* Pour qui */
  .pour-qui-grid{grid-template-columns:repeat(2,1fr)}

  /* Contact */
  .contact-form-col{padding:18px 12px}
  .form-group input,.form-group select,.form-group textarea{padding:10px 12px;font-size:1rem}

  /* Footer */
  .footer-logo-img{height:64px}
  .footer-grid{gap:20px}

  /* FAB */
  .fab-tel{bottom:max(16px,env(safe-area-inset-bottom));right:max(16px,env(safe-area-inset-right));width:54px;height:54px;font-size:1.25rem}
}

/* ---- Responsive 360px (très petits écrans) ---- */
@media(max-width:360px){
  .hero-content{padding:24px 8px 32px}
  .hero-stats{flex-direction:column;align-items:center;gap:6px}
  .hero-stat{width:100%;max-width:280px;justify-content:center}
  .confiance-bloc{padding:16px 14px}
}