/* ============================================================================
   RUSSELLO PISCINE — Feuille de style
   Charte graphique : #EBE4DE (beige) · #01B2BE (turquoise) · #225B6E (teal) · #F9F8F8
   ----------------------------------------------------------------------------
   1. Variables & réglages globaux      11. Zone d'intervention
   2. Base (typo, liens, conteneurs)    12. Pourquoi nous
   3. Boutons                           13. FAQ
   4. En-tête & navigation              14. Avis
   5. Hero                              15. Contact & formulaire
   6. Bandeau réassurance               16. Pied de page
   7. Sections génériques               17. Animations d'apparition
   8. Services                          18. Responsive
   9. Contrats                          19. Accessibilité
   10. Déroulement + Réalisations
   ============================================================================ */

/* 1. VARIABLES --------------------------------------------------------------- */
:root{
  --beige:#EBE4DE;        /* sable clair (charte) */
  --offwhite:#F9F8F8;     /* blanc cassé (charte) */
  --turq:#01B2BE;         /* turquoise vif (charte) — accent & CTA */
  --turq-d:#02929c;       /* turquoise foncé (survol) */
  --teal:#225B6E;         /* bleu-canard (charte) — couleur principale */
  --teal-2:#1b4b5c;
  --ink:#123440;          /* teal très foncé (dégradés) */
  --text:#173039;         /* texte principal */
  --muted:#5c6f74;        /* texte secondaire */
  --paper:#ffffff;        /* cartes, formulaire */
  --line:rgba(34,91,110,.14);
  --shadow:0 18px 50px -24px rgba(18,52,64,.5);
  --r:18px;
  --maxw:1180px;
  --header-h:74px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px)}

/* 2. BASE -------------------------------------------------------------------- */
body{
  margin:0;background:var(--beige);color:var(--text);
  font-family:"Inter",system-ui,-apple-system,sans-serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{font-family:"Montserrat",system-ui,sans-serif;font-weight:600;line-height:1.12;letter-spacing:-.01em;margin:0}
h1{font-weight:700}
h2{font-size:clamp(1.9rem,4vw,3rem)}
h3{font-size:1.22rem}
p{margin:0 0 1rem}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{margin:0}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}
.eyebrow{display:block;font-family:"Montserrat",sans-serif;font-size:.74rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--turq);margin:0 0 .4rem}
.eyebrow.on-dark{color:var(--turq)}
.lead{font-size:1.1rem;color:var(--muted);max-width:56ch}
.lead.center{margin-left:auto;margin-right:auto}
/* Ligne d'accroche placée au-dessus d'un paragraphe d'introduction */
.lead-intro{font-family:"Montserrat",sans-serif;font-size:1.16rem;font-weight:600;color:var(--teal);margin:0 0 .45rem}
.mt-sm{margin-top:.5rem;margin-bottom:1rem}
.mb-lg{margin-bottom:2rem}
.mt-md{margin-top:18px}
.center{margin-left:auto;margin-right:auto;text-align:center}

/* 3. BOUTONS ----------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  font-family:"Montserrat",sans-serif;font-weight:600;font-size:.95rem;
  padding:.82em 1.5em;border-radius:999px;border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .25s cubic-bezier(.2,.7,.3,1),box-shadow .25s,background .25s,color .25s,border-color .25s;
}
.btn svg{width:17px;height:17px}
/* CTA principal : turquoise de la charte + texte teal foncé (bon contraste) */
.btn-primary{background:var(--turq);color:#06333a;box-shadow:0 12px 26px -12px rgba(1,178,190,.85)}
.btn-primary:hover{background:var(--turq-d);color:#fff;transform:translateY(-2px);box-shadow:0 18px 32px -12px rgba(1,178,190,.9)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-dark{background:var(--teal);color:#fff}
.btn-dark:hover{background:var(--ink);transform:translateY(-2px)}
.btn-outline{border-color:var(--line);color:var(--teal)}
.btn-outline:hover{border-color:var(--turq);color:var(--teal-2);transform:translateY(-2px)}
.btn-block{width:100%;margin-top:6px}

/* 4. EN-TÊTE & NAVIGATION ---------------------------------------------------- */
header{position:sticky;top:0;z-index:60;background:rgba(235,228,222,0);border-bottom:1px solid transparent;transition:background .3s,box-shadow .3s,border-color .3s}
header.scrolled{background:rgba(249,248,248,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);box-shadow:0 8px 30px -22px rgba(18,52,64,.5)}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}

.brand{display:flex;align-items:center;gap:11px}
.brand .mark{height:30px;width:auto;flex:0 0 auto}
/* Le logo bascule selon le fond : blanc sur le hero, bleu une fois défilé */
.mark-blue{display:none}
header.scrolled .mark-white{display:none}
header.scrolled .mark-blue{display:block}
.brand-name{font-family:"Montserrat",sans-serif;font-size:1.2rem;font-weight:700;color:#fff;letter-spacing:.01em;line-height:1}
header.scrolled .brand-name{color:var(--teal)}
.brand-name small{display:block;font-size:.58rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--turq);margin-top:3px}

.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a.lnk{font-size:.95rem;font-weight:500;color:rgba(255,255,255,.92);transition:color .2s}
header.scrolled .nav-links a.lnk{color:var(--text)}
.nav-links a.lnk:hover{color:var(--turq)}

.nav-cta{display:flex;align-items:center;gap:14px}
.phone-link{display:flex;align-items:center;gap:7px;font-weight:600;font-size:.95rem;color:#fff}
header.scrolled .phone-link{color:var(--teal)}
.phone-link svg{width:16px;height:16px}
.burger{display:none;background:none;border:0;cursor:pointer;width:44px;height:44px;color:#fff}
header.scrolled .burger{color:var(--teal)}
.burger svg{width:26px;height:26px}

.mobile-menu{position:fixed;inset:0;z-index:70;background:var(--ink);padding:90px 30px 40px;transform:translateX(100%);transition:transform .4s cubic-bezier(.2,.7,.3,1);display:flex;flex-direction:column;gap:6px}
.mobile-menu.open{transform:none}
.mobile-menu a{color:#fff;font-family:"Montserrat",sans-serif;font-size:1.5rem;font-weight:600;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.mobile-menu .btn{margin-top:20px}
.mm-close{position:absolute;top:24px;right:24px;background:none;border:0;color:#fff;width:44px;height:44px;cursor:pointer}
.mm-close svg{width:28px;height:28px}
@media(min-width:901px){.mobile-menu{display:none}}

/* 5. HERO -------------------------------------------------------------------- */
.hero{position:relative;min-height:min(92vh,820px);display:flex;align-items:center;margin-top:calc(-1 * var(--header-h));padding:130px 0 90px;background:var(--ink);overflow:hidden}
/* Photo de piscine en fond + voile teal pour garder le texte lisible */
.hero-media{position:absolute;inset:0;z-index:0;background:url("images/hero-piscine.jpg") center/cover no-repeat}
/* Voile teal pour la lisibilité + dégradé sombre en bas : la margelle claire
   de la photo créait une cassure visuelle nette derrière le bandeau de
   réassurance. Le dégradé l'estompe et garantit le contraste du texte. */
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,52,64,0) 46%,rgba(18,52,64,.5) 76%,rgba(18,52,64,.78) 100%),linear-gradient(150deg,rgba(18,52,64,.9),rgba(18,52,64,.6) 45%,rgba(34,91,110,.72))}
.hero-surface{position:absolute;left:0;right:0;bottom:-2px;z-index:1;pointer-events:none;color:var(--beige)}
.hero .wrap{position:relative;z-index:2}
.hero-content{max-width:730px}
.hero h1{color:#fff;font-size:clamp(2.5rem,5.6vw,4.4rem);margin:.5rem 0 .2rem}
.hero h1 em{font-family:"Fraunces",Georgia,serif;font-style:italic;font-weight:500;color:var(--turq)}
.hero .sub{color:rgba(233,244,244,.85);font-size:clamp(1.05rem,1.6vw,1.25rem);max-width:56ch;margin:1.4rem 0 2.1rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
/* Bandeau de réassurance sous les boutons.
   align-items:flex-start (et non center) : sur mobile le texte passe sur
   2 lignes ; centré, l'icône flottait entre les deux lignes. Elle est
   maintenant calée sur la 1re ligne, avec un léger décalage optique. */
.hero-note{color:rgba(233,244,244,.62);font-size:.9rem;line-height:1.5;margin:1.6rem 0 0;display:flex;align-items:flex-start;gap:9px}
.hero-note svg{width:16px;height:16px;flex:0 0 auto;margin-top:.28em;color:var(--turq)}

/* 6. RÉASSURANCE ------------------------------------------------------------- */
.assur{background:var(--offwhite);border-bottom:1px solid var(--line)}
.assur-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.assur-item{padding:26px 24px;display:flex;gap:14px;align-items:flex-start;border-left:1px solid var(--line)}
.assur-item:first-child{border-left:0}
.assur-item .ic{flex:0 0 auto;width:38px;height:38px;color:var(--turq)}
.assur-item strong{display:block;font-family:"Montserrat",sans-serif;font-size:1rem;font-weight:600;color:var(--teal)}
.assur-item span{font-size:.9rem;color:var(--muted);line-height:1.4}

/* 7. SECTIONS GÉNÉRIQUES ----------------------------------------------------- */
section{position:relative}
.sec{padding:clamp(70px,9vw,116px) 0}
.sec-head{max-width:640px;margin-bottom:52px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{margin:.5rem 0 1rem}

/* 8. SERVICES ---------------------------------------------------------------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:32px 28px;position:relative;overflow:hidden;transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s,border-color .3s}
.card::after{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--turq),#4fd6e0);transition:width .4s ease}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::after{width:100%}
.card .cic{width:52px;height:52px;border-radius:13px;display:flex;align-items:center;justify-content:center;background:linear-gradient(150deg,rgba(1,178,190,.16),rgba(1,178,190,.05));color:var(--teal);margin-bottom:20px}
.card .cic svg{width:26px;height:26px}
.card h3{margin-bottom:10px;color:var(--teal)}
.card p{color:var(--muted);font-size:.97rem;margin-bottom:14px}
.card ul{list-style:none;padding:0;font-size:.92rem}
.card li{padding:5px 0 5px 22px;position:relative;color:var(--text)}
.card li::before{content:"";position:absolute;left:0;top:12px;width:9px;height:9px;border-radius:50%;background:var(--turq);box-shadow:0 0 0 4px rgba(1,178,190,.14)}

/* 9. CONTRATS ---------------------------------------------------------------- */
.contrats{background:var(--offwhite)}
.plans{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:860px;margin:0 auto}
.plan{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:34px 30px;position:relative;display:flex;flex-direction:column}
.plan-featured{border-color:var(--turq);box-shadow:0 20px 50px -26px rgba(1,178,190,.55)}
.plan-badge{position:absolute;top:-13px;left:30px;background:var(--turq);color:#06333a;font-family:"Montserrat",sans-serif;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:.4em 1em;border-radius:999px}
.plan-head{border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:18px}
.plan-head h3{color:var(--teal);font-size:1.35rem;margin-bottom:6px}
.plan-pass{margin:0;color:var(--muted);font-size:1rem}
.plan-pass strong{font-family:"Montserrat",sans-serif;font-size:2rem;font-weight:700;color:var(--turq);margin-right:.15em}
.plan-list{list-style:none;padding:0;margin:0 0 26px;display:grid;gap:12px;flex:1}
.plan-list li{position:relative;padding-left:30px;font-size:.96rem;color:var(--text)}
.plan-list .ck{position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;background:rgba(1,178,190,.14) no-repeat center/12px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2301B2BE' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E")}
.offer{display:flex;align-items:center;gap:14px;max-width:860px;margin:28px auto 0;padding:20px 26px;border-radius:var(--r);background:linear-gradient(120deg,var(--teal),var(--teal-2));color:#fff;font-size:1rem}
.offer svg{width:26px;height:26px;flex:0 0 auto;color:var(--turq)}
.offer strong{color:#fff}

/* 10. DÉROULEMENT ------------------------------------------------------------ */
.process{background:var(--teal);color:#fff}
.process .eyebrow{color:var(--turq)}
.process h2{color:#fff}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:54px;list-style:none;padding:0}
.step{padding:0 22px;position:relative}
.step:not(:last-child)::after{content:"";position:absolute;top:26px;right:-2px;left:calc(50% + 30px);height:2px;background:linear-gradient(90deg,rgba(1,178,190,.6),rgba(1,178,190,.05))}
.step .num{width:54px;height:54px;border-radius:50%;border:2px solid rgba(1,178,190,.45);display:flex;align-items:center;justify-content:center;font-family:"Montserrat",sans-serif;font-size:1.2rem;font-weight:700;color:var(--turq);background:rgba(1,178,190,.06);margin-bottom:18px;position:relative;z-index:2}
.step h3{font-size:1.05rem;color:#fff;margin-bottom:8px}
.step p{color:rgba(220,238,240,.75);font-size:.92rem;margin:0}

/* 11. ZONE ------------------------------------------------------------------- */
.zone{background:var(--offwhite)}
.zone-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.towns{display:flex;flex-wrap:wrap;gap:11px;margin-top:26px;list-style:none;padding:0}
.town{background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:.5em 1.05em;font-size:.92rem;font-weight:500;display:flex;align-items:center;gap:8px;transition:.25s}
.town:hover{border-color:var(--turq);color:var(--teal);transform:translateY(-2px)}
.town .dot{width:7px;height:7px;border-radius:50%;background:var(--turq)}
.map-card{aspect-ratio:1/1;border-radius:24px;position:relative;overflow:hidden;box-shadow:var(--shadow);background:linear-gradient(160deg,var(--ink),var(--teal-2));display:flex;align-items:center;justify-content:center}
.map-card svg.map{position:absolute;inset:0;width:100%;height:100%;opacity:.9}
.map-pin{position:relative;z-index:2;text-align:center;color:#fff}
.map-pin .pin{width:20px;height:20px;border-radius:50% 50% 50% 0;background:var(--turq);transform:rotate(-45deg);margin:0 auto 14px;box-shadow:0 0 0 8px rgba(1,178,190,.25),0 0 0 20px rgba(1,178,190,.1)}
.map-pin strong{font-family:"Montserrat",sans-serif;font-size:1.25rem;display:block}
.map-pin span{font-size:.85rem;color:#bfeef1}

/* 12. POURQUOI NOUS ---------------------------------------------------------- */
.why-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.why-list{display:grid;gap:8px}
.why-item{display:flex;gap:18px;padding:20px;border-radius:14px;transition:background .25s}
.why-item:hover{background:var(--offwhite)}
.why-item .wic{flex:0 0 auto;width:46px;height:46px;border-radius:12px;background:var(--teal);color:var(--turq);display:flex;align-items:center;justify-content:center}
.why-item .wic svg{width:23px;height:23px}
.why-item h3{font-size:1.08rem;color:var(--teal);margin-bottom:4px}
.why-item p{margin:0;color:var(--muted);font-size:.95rem}
.why-visual{border-radius:24px;overflow:hidden;position:relative;aspect-ratio:4/5;isolation:isolate;background:var(--teal) url("images/nino-traitement-eau.jpg") center/cover no-repeat;box-shadow:var(--shadow)}
.why-quote{position:absolute;inset:auto 0 0 0;padding:34px 30px;margin:0;color:#fff;background:linear-gradient(0deg,rgba(18,52,64,.94),rgba(18,52,64,.4) 60%,transparent)}
.why-quote p{font-family:"Montserrat",sans-serif;font-weight:500;font-size:1.3rem;line-height:1.35;margin:0 0 10px}
.why-quote cite{font-style:normal;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:#bfeef1}

/* 13. FAQ -------------------------------------------------------------------- */
.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;background:none;border:0;cursor:pointer;text-align:left;padding:22px 44px 22px 0;font-family:"Montserrat",sans-serif;font-size:1.1rem;font-weight:600;color:var(--teal);position:relative;display:block}
.faq-q::after{content:"";position:absolute;right:6px;top:26px;width:14px;height:14px;transition:transform .3s;background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2301B2BE' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E")}
.faq-item.open .faq-q::after{transform:rotate(135deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{color:var(--muted);font-size:.97rem;padding:0 40px 22px 0;margin:0}

/* 14. AVIS ------------------------------------------------------------------- */
.avis{background:var(--teal);color:#fff}
.avis h2{color:#fff}
.avis .eyebrow{color:var(--turq)}
.avis-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;max-width:960px;margin:48px auto 0}
.avis-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:var(--r);padding:30px;margin:0}
.stars{display:flex;gap:3px;margin-bottom:16px;color:var(--turq)}
.stars svg{width:18px;height:18px}
.avis-card blockquote{margin:0}
.avis-card blockquote p{font-size:1rem;color:rgba(233,244,244,.92);line-height:1.6;margin:0}
.who{display:flex;align-items:center;gap:12px;margin-top:18px}
.who .av{width:40px;height:40px;border-radius:50%;flex:0 0 auto;background:linear-gradient(140deg,var(--turq),#5fe0e8);display:flex;align-items:center;justify-content:center;font-family:"Montserrat",sans-serif;color:var(--ink);font-weight:700}
.who .av + span{display:flex;flex-direction:column}
.who strong{font-size:.95rem}
.who .av + span > span{font-size:.82rem;color:#bfeef1}

/* 15. CONTACT & FORMULAIRE --------------------------------------------------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:start}
.contact-info h2{margin-bottom:18px}
.info-list{display:grid;gap:4px;margin-top:30px}
.info-row{display:flex;gap:16px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line)}
.info-row .iic{flex:0 0 auto;width:42px;height:42px;border-radius:11px;background:var(--offwhite);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--turq)}
.info-row .iic svg{width:20px;height:20px}
.info-row .lbl2{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-family:"Montserrat",sans-serif;font-weight:600}
.info-row .val{font-size:1.02rem;font-weight:500;color:var(--teal)}
.info-row .val a:hover{color:var(--turq)}

form{background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:38px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-family:"Montserrat",sans-serif;font-size:.8rem;font-weight:600;letter-spacing:.02em;color:var(--teal);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;font-family:inherit;font-size:1rem;color:var(--text);padding:.85em 1em;border:1.5px solid var(--line);border-radius:12px;background:#fff;transition:border-color .2s,box-shadow .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--turq);box-shadow:0 0 0 4px rgba(1,178,190,.14)}
.field input.invalid,.field textarea.invalid{border-color:#d9534f;box-shadow:0 0 0 4px rgba(217,83,79,.12)}
.field textarea{resize:vertical;min-height:110px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-note{font-size:.82rem;color:var(--muted);margin:14px 0 0;text-align:center}
.form-status{font-size:.92rem;font-weight:600;margin:14px 0 0;text-align:center;min-height:1.2em}
.form-status.ok{color:#127a4a}
.form-status.err{color:#d9534f}

/* 16. PIED DE PAGE ----------------------------------------------------------- */
footer{background:var(--ink);color:rgba(233,244,244,.72);padding:64px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-logo{height:64px;width:auto;margin-bottom:16px}
footer p{font-size:.93rem;line-height:1.6;max-width:34ch}
.foot-col h4{font-family:"Montserrat",sans-serif;font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--turq);margin:0 0 16px}
.foot-col a{display:block;font-size:.93rem;padding:5px 0;color:rgba(233,244,244,.74);transition:color .2s}
.foot-col a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px 22px;padding-top:26px;font-size:.85rem;color:rgba(233,244,244,.5)}

/* 17. ANIMATIONS ------------------------------------------------------------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* 18. RESPONSIVE ------------------------------------------------------------- */
/* Tablette */
@media(max-width:980px){
  .cards,.avis-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:34px 22px}
  .step::after{display:none}
  .zone-grid,.why-grid,.faq-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .why-visual{max-width:420px}
  .foot-grid{grid-template-columns:1fr 1fr}
  /* iPad : le bas de page s'empile et se centre (la signature AIM Studio
     n'est plus tassée en bout de ligne des liens légaux). */
  .foot-bottom{flex-direction:column;justify-content:center;text-align:center;gap:12px}
  .assur-grid{grid-template-columns:1fr 1fr}
  .assur-item:nth-child(3){border-left:0}
  .avis-grid{max-width:640px}
}
/* Navigation : menu burger sous 900px (évite le débordement de l'en-tête) */
@media(max-width:900px){
  .nav-links,.phone-link{display:none}
  .burger{display:flex;align-items:center;justify-content:center}
}
/* Mobile */
@media(max-width:680px){
  body{font-size:16px}
  .nav-cta .btn-primary{display:none}
  .cards,.avis-grid,.steps,.foot-grid,.row2,.assur-grid,.plans{grid-template-columns:1fr}
  .assur-item{border-left:0;border-top:1px solid var(--line)}
  .assur-item:first-child{border-top:0}
  .hero-actions{flex-direction:column;align-items:stretch}
  /* Bandeau de réassurance descendu : il tombait pile sur la ligne de
     séparation eau / margelle de la photo, ce qui donnait un effet décalé. */
  .hero{padding-bottom:58px}
  .hero-note{margin-top:2.5rem}
  .offer{flex-direction:column;text-align:center}
}

/* 19. ACCESSIBILITÉ ---------------------------------------------------------- */
.skip-link{position:absolute;left:12px;top:-60px;z-index:100;background:var(--turq);color:#06333a;font-weight:600;padding:.7em 1.2em;border-radius:999px;transition:top .2s}
.skip-link:focus{top:12px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--turq);outline-offset:2px;border-radius:6px}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ============================================================================
   20. FOOTER LÉGAL + PAGES MENTIONS LÉGALES / CONFIDENTIALITÉ
   ============================================================================ */
.foot-legal{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:center}
.foot-legal a{color:rgba(233,244,244,.72);text-decoration:underline;text-underline-offset:2px;transition:color .2s}
.foot-legal a:hover{color:#fff}
/* Signature AIM Studio : toujours visible et lisible, y compris sur petit écran */
.foot-credit{white-space:nowrap;color:rgba(233,244,244,.58)}
.foot-credit strong{font-family:"Montserrat",sans-serif;font-weight:600;color:rgba(233,244,244,.9)}

/* En-tête toujours opaque sur les pages légales (pas de hero foncé derrière) */
header.solid{background:rgba(249,248,248,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
header.solid .mark-white{display:none}
header.solid .mark-blue{display:block}
header.solid .brand-name{color:var(--teal)}
header.solid .nav-links a.lnk{color:var(--text)}
header.solid .phone-link{color:var(--teal)}
header.solid .burger{color:var(--teal)}

/* Contenu des pages légales */
.legal-main{background:var(--beige);padding:56px 0 80px}
.legal{max-width:820px}
.legal-back{display:inline-flex;align-items:center;gap:7px;font-family:"Montserrat",sans-serif;font-weight:600;font-size:.9rem;color:var(--teal);margin-bottom:22px}
.legal-back:hover{color:var(--turq)}
.legal h1{font-size:clamp(2rem,4.5vw,2.8rem);color:var(--teal);margin-bottom:10px}
.legal-updated{font-size:.9rem;color:var(--muted);margin-bottom:34px}
.legal h2{font-size:1.3rem;color:var(--teal);margin:34px 0 12px}
.legal h3{font-size:1.05rem;color:var(--teal);margin:22px 0 8px}
.legal p,.legal li{color:var(--text);font-size:1rem;line-height:1.7}
.legal ul{padding-left:20px;margin:0 0 1rem}
.legal li{margin-bottom:6px}
.legal a{color:var(--turq);text-decoration:underline;text-underline-offset:2px}
.legal strong{color:var(--teal)}
/* Bloc d'identité (champs facilement remplaçables) */
.legal-identity{list-style:none;padding:26px 28px;margin:0 0 1.5rem;background:var(--paper);border:1px solid var(--line);border-radius:var(--r)}
.legal-identity li{margin-bottom:10px}
.legal-identity li:last-child{margin-bottom:0}