/* Tunnel « Calibrer mon besoin » */
.tn-hero{padding-bottom:40px}
.tn-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start;max-width:1250px}
.tn{background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px 40px 36px;box-shadow:0 30px 70px #0a182812;position:relative;overflow:hidden}
.tn:before{content:'';position:absolute;inset:0 0 auto;height:5px;background:linear-gradient(90deg,#40ba8d,#3e6fb7)}

/* Progression */
.tn-progress{list-style:none;margin:0 0 22px;padding:0;display:flex;gap:10px;counter-reset:none}
.tn-progress li{flex:1;display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:#8795a0;padding-bottom:12px;border-bottom:3px solid #e7ebed;transition:color .3s,border-color .3s}
.tn-progress li span{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#eef1f3;font-size:13px;flex-shrink:0;transition:background .3s,color .3s}
.tn-progress li.is-current{color:var(--navy);border-color:var(--green)}
.tn-progress li.is-current span{background:var(--green);color:var(--navy)}
.tn-progress li.is-done{color:#2f9b73;border-color:#40ba8d80}
.tn-progress li.is-done span{background:#e7f5ee;color:#2f9b73;font-size:0}
.tn-progress li.is-done span:after{content:'✓';font-size:14px}
.tn-progress li.is-skipped{opacity:.45}
.tn-notice{display:flex;gap:10px;align-items:flex-start;margin:0 0 26px;padding:12px 14px;border-radius:10px;background:#f4f7f8;font-size:13.5px;line-height:1.5;color:#41505b}
.tn-notice .picto{width:20px;height:20px;color:#2f9b73;flex-shrink:0;margin-top:1px}
.tn-notice a{text-decoration:underline;text-decoration-color:var(--green);text-underline-offset:3px}

/* Étapes */
.tn-step{display:none}
.tn-step.is-active{display:block;animation:tn-in .5s cubic-bezier(.2,.7,.2,1)}
@keyframes tn-in{from{opacity:0;transform:translateX(24px)}}
.tn-step h2{font-size:clamp(28px,2.6vw,38px);letter-spacing:-.045em;font-weight:500;margin:0 0 22px;outline:none}
.tn-sub{font-size:14px;letter-spacing:.08em;text-transform:uppercase;font-weight:650;color:#41505b;margin:30px 0 14px}
.tn-sub small{text-transform:none;letter-spacing:0;font-weight:400;color:var(--muted)}

/* Cartes de choix */
.tn-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;border-radius:14px;transition:box-shadow .3s}
.tn-cards.is-invalid{box-shadow:0 0 0 3px #e8603c55}
.tn-card{position:relative;display:grid;grid-template-columns:44px 1fr;grid-template-rows:auto auto;column-gap:14px;align-items:center;padding:18px 18px 18px 16px;border:1.5px solid #dae1e3;border-radius:14px;cursor:pointer;background:#fff;transition:border-color .25s,background .25s,transform .25s,box-shadow .25s}
.tn-card:hover{border-color:#40ba8d;transform:translateY(-2px);box-shadow:0 12px 26px #0a182812}
.tn-card input{position:absolute;opacity:0;pointer-events:none}
.tn-card .picto{grid-row:1/3;width:44px;height:44px;padding:10px;border-radius:12px;background:#eef1f3;color:#5b6a75;transition:background .25s,color .25s,transform .35s}
.tn-card strong{font-size:16.5px;line-height:1.3;font-weight:600}
.tn-card small{font-size:13.5px;color:var(--muted);margin-top:3px}
.tn-card.is-checked{border-color:#40ba8d;background:#f1faf5;box-shadow:0 0 0 3px #40ba8d2e}
.tn-card.is-checked .picto{background:#40ba8d;color:#0a1828;transform:scale(1.06)}
.tn-card.is-checked:after{content:'✓';position:absolute;top:10px;right:12px;width:22px;height:22px;border-radius:50%;background:#40ba8d;color:#0a1828;font-size:13px;font-weight:700;display:grid;place-items:center}
.tn-card:has(input:focus-visible){outline:3px solid #40ba8d;outline-offset:2px}

/* Champs */
.tn-reveal{display:grid;grid-template-rows:0fr;opacity:0;transition:grid-template-rows .5s cubic-bezier(.2,.7,.2,1),opacity .4s}
.tn-reveal>*{overflow:hidden}
.tn-reveal.is-open{grid-template-rows:1fr;opacity:1}
.tn-reveal>div,.tn-reveal>p{min-height:0}
.tn-fields{display:grid;grid-template-columns:1fr 1fr;gap:18px 22px;margin-top:6px}
.tn label:not(.tn-card):not(.tn-chips label){display:block;font-size:14.5px;font-weight:550;color:#24343f}
.tn label b{color:#e8603c;font-weight:600}
.tn input[type=text],.tn input[type=email],.tn input[type=tel],.tn select,.tn textarea{display:block;width:100%;margin-top:7px;padding:13px 14px;font:inherit;font-size:16px;border:1.5px solid #cfd8dc;border-radius:10px;background:#fbfcfc;color:var(--navy);transition:border-color .2s,box-shadow .2s,background .2s}
.tn input:focus,.tn select:focus,.tn textarea:focus{outline:0;border-color:var(--green);box-shadow:0 0 0 4px #40ba8d2e;background:#fff}
.tn textarea{resize:vertical;min-height:110px}
.tn-full{margin-bottom:24px}
.tn-chips{border:0;padding:0;margin:0;grid-column:1/-1}
.tn-chips legend{font-size:14.5px;font-weight:550;color:#24343f;padding:0;margin-bottom:10px}
.tn-chips label{display:inline-flex!important;align-items:center;margin:0 8px 8px 0;padding:10px 16px;border:1.5px solid #cfd8dc;border-radius:30px;cursor:pointer;font-weight:550;font-size:15px;transition:border-color .2s,background .2s}
.tn-chips label:hover{border-color:#40ba8d}
.tn-chips input{position:absolute;opacity:0;pointer-events:none}
.tn-chips label.is-checked{border-color:#40ba8d;background:#40ba8d;color:#0a1828}
.tn-chips label:has(input:focus-visible){outline:3px solid #40ba8d;outline-offset:2px}
.tn-hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}

/* Rendez-vous */
.tn-booking{margin:16px 0 6px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;animation:tn-in .45s cubic-bezier(.2,.7,.2,1)}
.tn-booking iframe{display:block;width:100%;height:860px;border:0}
.tn-booking-help{margin:0;padding:10px 14px;font-size:13.5px;color:var(--muted);background:#f4f7f8}
.tn-booking-help a{text-decoration:underline;text-decoration-color:var(--green)}

/* Navigation */
.tn-nav{display:flex;justify-content:space-between;align-items:center;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.tn-back{border:0;background:none;font:inherit;font-weight:550;color:var(--muted);cursor:pointer;padding:10px 0}
.tn-back:before{content:'← '}
.tn-back:hover{color:var(--navy)}
.tn .button{border:0;cursor:pointer;font:inherit;font-weight:600}
.tn .button:disabled{opacity:.6;cursor:wait}
.tn-error{margin:16px 0 0;padding:12px 14px;border-radius:10px;background:#fdecea;color:#8a2d1a;font-size:15px}
.tn-error a{text-decoration:underline}

/* Confirmation */
.tn-done{text-align:center;padding:40px 10px 20px;animation:tn-in .5s cubic-bezier(.2,.7,.2,1)}
.tn-done-icon .picto{width:72px;height:72px;padding:14px;border-radius:50%;background:#40ba8d;color:#0a1828;animation:done-pop .6s cubic-bezier(.2,.7,.2,1)}
@keyframes done-pop{0%{transform:scale(.4);opacity:0}70%{transform:scale(1.1)}}
.tn-done h2{font-size:clamp(28px,2.6vw,38px);letter-spacing:-.04em;font-weight:500;margin:22px 0 12px;outline:none}
.tn-done p{font-size:18px;color:#33434e;margin:0 0 24px}

/* Récapitulatif latéral */
.tn-side{position:sticky;top:110px;display:grid;gap:14px}
.tn-summary{background:#0a1828;color:#fff;border-radius:18px;padding:24px 24px 18px;background-image:radial-gradient(500px 240px at 100% 0%,#1c3a6b 0%,transparent 70%)}
.tn-side-title{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:650;color:#7fd6b3;margin:0 0 14px}
.tn-recap{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.tn-recap li{display:grid;gap:2px;padding-left:14px;border-left:2px solid #40ba8d;animation:tn-in .4s cubic-bezier(.2,.7,.2,1)}
.tn-recap li span{font-size:12px;color:#9fb0bf}
.tn-recap li strong{font-size:15px;font-weight:600;line-height:1.35}
.tn-recap .tn-empty{border-left-color:#ffffff33;color:#9fb0bf;font-size:14px;animation:none}
.tn-save{display:flex;align-items:center;gap:8px;margin:18px 0 0;padding-top:14px;border-top:1px solid #ffffff1f;font-size:13px;color:#c3cfdb}
.tn-save i{width:9px;height:9px;border-radius:50%;background:#5b6a75;flex-shrink:0}
.tn-save[data-state=ok] i{background:#40ba8d;box-shadow:0 0 0 4px #40ba8d33}
.tn-save[data-state=pending] i{background:#f2c14e;animation:pulse 1s infinite}
.tn-save[data-state=local] i{background:#e8a33d}
@keyframes pulse{50%{opacity:.35}}
.tn-promise{border-radius:18px;padding:20px 22px;background:linear-gradient(145deg,#eaf6f0,#f3f8f6);border:1px solid #d3ebdf}
.tn-promise p{margin:0 0 10px;font-size:15.5px;line-height:1.45}
.tn-promise ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.tn-promise li{font-size:14.5px;color:#33434e;padding-left:22px;position:relative}
.tn-promise li:before{content:'✓';position:absolute;left:0;color:#2f9b73;font-weight:700}

@media(max-width:1100px){.tn-layout{grid-template-columns:1fr}.tn-side{position:static;grid-template-columns:1fr 1fr}}
@media(max-width:760px){.tn{padding:24px 18px 24px}.tn-cards,.tn-fields{grid-template-columns:1fr}.tn-progress li{font-size:0;gap:0}.tn-progress li span{font-size:13px}.tn-side{grid-template-columns:1fr}.tn-booking iframe{height:640px}}
@media(prefers-reduced-motion:reduce){.tn *{animation:none!important;transition:none!important}}