/* ================================================
   main.css — Solencia Survey Platform
   Design premium : bleu profond, Outfit + DM Sans
   ================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --accent:        #1d4ed8;
    --accent-hover:  #1e40af;
    --accent-light:  rgba(29,78,216,.08);
    --bg:            #f0f4ff;
    --card:          #ffffff;
    --text:          #0f172a;
    --text-2:        #475569;
    --text-3:        #94a3b8;
    --border:        #e2e8f0;
    --radius:        14px;
    --shadow:        0 8px 32px rgba(15,23,42,.1);
    --transition:    .2s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'DM Sans', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ---- Background mesh ---- */
.bg-mesh {
    position: fixed; inset: 0; pointer-events: none; z-index: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% -10%, rgba(59,130,246,.12) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 110%, rgba(99,102,241,.08) 0%, transparent 55%);
}

/* ---- Survey wrapper ---- */
.survey-wrapper {
    position: relative; z-index: 1;
    min-height: 100vh;
    display: flex; flex-direction: column; align-items: center;
    padding: 40px 20px 60px;
}

/* ---- Header ---- */
.survey-header {
    width: 100%; max-width: 680px;
    margin-bottom: 32px;
    text-align: center;
}

.brand-logo {
    display: inline-flex; align-items: center; gap: 10px;
    margin-bottom: 24px;
}
.brand-logo span {
    font-family: 'Outfit', sans-serif;
    font-size: 20px; font-weight: 700;
    color: var(--accent);
    letter-spacing: -.3px;
}

.survey-title-wrap h1 {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(24px, 5vw, 36px);
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
    margin-bottom: 8px;
}
.survey-desc {
    color: var(--text-2);
    font-size: 16px;
}

/* ---- Form container ---- */
.form-container {
    width: 100%; max-width: 680px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* ---- Progress ---- */
.progress-bar-wrap {
    padding: 20px 32px 0;
    display: flex; align-items: center; gap: 16px;
}
.progress-bar-track {
    flex: 1; height: 6px;
    background: var(--border); border-radius: 99px; overflow: hidden;
}
.progress-bar-fill {
    height: 100%; background: var(--accent);
    border-radius: 99px;
    transition: width .4s ease;
}
.progress-label {
    font-size: 13px; color: var(--text-3); white-space: nowrap;
}

/* ---- Steps ---- */
.form-step { display: none; padding: 32px 32px 0; }
.form-step.active { display: block; animation: fadeIn .3s ease; }

@keyframes fadeIn {
    from { opacity:0; transform: translateY(12px); }
    to   { opacity:1; transform: translateY(0); }
}

.step-header { margin-bottom: 28px; }
.step-badge {
    display: inline-block;
    background: var(--accent-light); color: var(--accent);
    font-size: 12px; font-weight: 600; letter-spacing: .5px; text-transform: uppercase;
    padding: 4px 12px; border-radius: 99px; margin-bottom: 12px;
}
.step-header h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 26px; font-weight: 700;
    line-height: 1.25; color: var(--text);
}
.step-header h2 .accent { color: var(--accent); }
.step-header p { color: var(--text-2); margin-top: 6px; }

/* ---- Profile form ---- */
.fields-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
    margin-bottom: 24px;
}
.field-group { display: flex; flex-direction: column; gap: 6px; }
.field-group.full { grid-column: 1 / -1; }

.field-group label {
    font-size: 13px; font-weight: 500; color: var(--text-2);
}
.req { color: #ef4444; }

.field-group input,
.field-group select,
.field-group textarea {
    background: #f8fafc;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    padding: 11px 14px;
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
    width: 100%;
    appearance: none;
}
.field-group input::placeholder,
.field-group textarea::placeholder { color: var(--text-3); }
.field-group input:focus,
.field-group select:focus,
.field-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(29,78,216,.12);
    background: #fff;
}
.field-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 36px;
    cursor: pointer;
}

.field-error { font-size: 12px; color: #ef4444; min-height: 16px; }
.field-group input.error,
.field-group select.error { border-color: #ef4444; }

/* ---- Consentement ---- */
.consent-wrap { margin-bottom: 28px; }
.consent-label {
    display: flex; align-items: flex-start; gap: 12px;
    cursor: pointer; font-size: 14px; color: var(--text-2);
    line-height: 1.5;
}
.consent-label input[type=checkbox] { display: none; }
.checkmark {
    flex-shrink: 0; width: 20px; height: 20px;
    border: 2px solid var(--border); border-radius: 5px;
    background: #f8fafc;
    transition: all var(--transition);
    position: relative; top: 1px;
}
.consent-label input:checked + .checkmark {
    background: var(--accent); border-color: var(--accent);
}
.consent-label input:checked + .checkmark::after {
    content: '';
    position: absolute; left: 5px; top: 2px;
    width: 6px; height: 10px;
    border: 2px solid white; border-top: 0; border-left: 0;
    transform: rotate(45deg);
}
.link-inline { color: var(--accent); text-decoration: underline; }

/* ---- Questions ---- */
.questions-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 16px; }

.question-card {
    background: #f8fafc;
    border: 1.5px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}
.question-label {
    font-weight: 500; font-size: 15px; color: var(--text);
    margin-bottom: 14px;
}

/* Inputs questions */
.q-input, .q-textarea {
    width: 100%;
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    padding: 10px 14px;
    font-family: 'DM Sans', sans-serif;
    font-size: 15px; color: var(--text);
    transition: border-color var(--transition);
}
.q-input:focus, .q-textarea:focus {
    outline: none; border-color: var(--accent);
}
.q-textarea { resize: vertical; min-height: 90px; }

/* Choices */
.choices-wrap { display: flex; flex-direction: column; gap: 10px; }

.choice-item {
    display: flex; align-items: center; gap: 12px;
    cursor: pointer; padding: 10px 14px;
    background: #fff; border: 1.5px solid var(--border);
    border-radius: 10px; transition: all var(--transition);
    font-size: 15px; color: var(--text);
}
.choice-item:hover { border-color: var(--accent); background: var(--accent-light); }
.choice-item input[type=radio], .choice-item input[type=checkbox] { display: none; }

.choice-dot {
    width: 18px; height: 18px; flex-shrink: 0;
    border: 2px solid var(--border); border-radius: 50%;
    transition: all var(--transition);
}
.choice-item input[type=radio]:checked ~ .choice-dot {
    border-color: var(--accent);
    background: var(--accent);
    box-shadow: inset 0 0 0 3px #fff;
}

.checkmark-box {
    width: 18px; height: 18px; flex-shrink: 0;
    border: 2px solid var(--border); border-radius: 4px;
    transition: all var(--transition); position: relative;
}
.choice-item input[type=checkbox]:checked ~ .checkmark-box {
    background: var(--accent); border-color: var(--accent);
}
.choice-item input[type=checkbox]:checked ~ .checkmark-box::after {
    content: '';
    position: absolute; left: 4px; top: 1px;
    width: 5px; height: 9px;
    border: 2px solid white; border-top: 0; border-left: 0;
    transform: rotate(45deg);
}
.choice-item:has(input:checked) {
    border-color: var(--accent); background: var(--accent-light);
}

.other-input {
    margin-top: 8px;
    width: 100%; background: #fff;
    border: 1.5px solid var(--accent); border-radius: 8px;
    padding: 9px 14px; font-size: 14px;
    transition: all var(--transition);
}
.other-input.hidden { display: none; }
.q-error { font-size: 12px; color: #ef4444; display: block; margin-top: 8px; }

/* ---- Navigation ---- */
.form-nav {
    padding: 24px 32px;
    display: flex; align-items: center; gap: 12px;
    border-top: 1px solid var(--border);
    background: #f8fafc;
}

.btn-primary, .btn-secondary, .btn-submit {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 13px 24px; border-radius: 10px;
    font-family: 'Outfit', sans-serif;
    font-size: 15px; font-weight: 600;
    cursor: pointer; transition: all var(--transition);
    border: none; text-decoration: none;
    letter-spacing: .2px;
}
.btn-primary {
    background: var(--accent); color: #fff;
    margin-left: auto;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-secondary {
    background: #fff; color: var(--text-2);
    border: 1.5px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-submit {
    background: linear-gradient(135deg, #1d4ed8 0%, #7c3aed 100%);
    color: #fff; margin-left: auto;
    box-shadow: 0 4px 16px rgba(29,78,216,.35);
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(29,78,216,.45); }
.hidden { display: none !important; }

.form-error-global {
    padding: 8px 32px 16px;
    display: flex; align-items: center; gap: 8px;
    color: #ef4444; font-size: 14px;
}

/* ---- Footer ---- */
.survey-footer {
    margin-top: 24px; font-size: 13px; color: var(--text-3); text-align: center;
}
.survey-footer a { color: var(--text-3); text-decoration: underline; }

/* ---- Merci page ---- */
.merci-wrapper {
    position: relative; z-index: 1;
    min-height: 100vh; display: flex;
    align-items: center; justify-content: center; padding: 20px;
}
.merci-card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 24px; box-shadow: var(--shadow);
    padding: 60px 48px; text-align: center;
    max-width: 520px; width: 100%;
}
.merci-card h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 36px; font-weight: 800; color: var(--text);
    margin: 24px 0 12px;
}
.merci-text { color: var(--text-2); font-size: 16px; line-height: 1.7; }
.merci-cta { margin-top: 36px; display: flex; flex-direction: column; align-items: center; gap: 14px; }

.btn-share-open {
    display: inline-flex; align-items: center; gap: 10px;
    background: var(--accent); color: #fff;
    border: none; border-radius: 12px;
    padding: 14px 28px; font-size: 16px; font-weight: 600;
    font-family: 'Outfit', sans-serif;
    cursor: pointer; transition: all var(--transition);
    box-shadow: 0 4px 20px rgba(29,78,216,.3);
}
.btn-share-open:hover { transform: translateY(-2px); }
.btn-home { color: var(--text-3); font-size: 14px; text-decoration: underline; }

/* Checkmark animation */
.checkmark-anim { width: 72px; height: 72px; margin: 0 auto; }
.checkmark-svg { width: 72px; height: 72px; }
.checkmark-circle {
    stroke: #22c55e; stroke-dasharray: 166;
    stroke-dashoffset: 166; stroke-width: 2; animation: stroke .6s cubic-bezier(.65,0,.45,1) forwards;
}
.checkmark-check {
    stroke: #22c55e; stroke-dasharray: 48;
    stroke-dashoffset: 48; stroke-width: 3;
    animation: stroke .4s cubic-bezier(.65,0,.45,1) .5s forwards;
}
@keyframes stroke { to { stroke-dashoffset: 0; } }

/* ---- Share modal ---- */
.share-modal-overlay {
    position: fixed; inset: 0; z-index: 1000;
    background: rgba(15,23,42,.6); backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center; padding: 20px;
}
.share-modal {
    background: var(--card); border-radius: 20px;
    box-shadow: 0 32px 80px rgba(0,0,0,.2);
    padding: 36px; max-width: 500px; width: 100%;
    position: relative;
    animation: slideUp .3s ease;
}
@keyframes slideUp {
    from { opacity:0; transform:translateY(20px); }
    to   { opacity:1; transform:translateY(0); }
}
.share-close {
    position: absolute; top: 16px; right: 16px;
    background: #f1f5f9; border: none; border-radius: 8px;
    width: 36px; height: 36px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-2); transition: background var(--transition);
}
.share-close:hover { background: var(--border); }
.share-header { text-align: center; margin-bottom: 28px; }
.share-icon {
    width: 56px; height: 56px; background: var(--accent-light);
    border-radius: 16px; display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px; color: var(--accent);
}
.share-header h2 { font-family:'Outfit',sans-serif; font-size:22px; font-weight:700; }
.share-header p { color: var(--text-2); font-size:14px; margin-top:4px; }

.share-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-bottom: 24px; }
.share-btn {
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    padding: 16px 8px; border-radius: 12px; text-decoration: none;
    font-size: 13px; font-weight: 500;
    transition: all var(--transition);
}
.share-btn svg { width: 24px; height: 24px; }
.share-whatsapp { background: #dcfce7; color: #166534; }
.share-whatsapp:hover { background: #bbf7d0; }
.share-facebook { background: #dbeafe; color: #1e40af; }
.share-facebook:hover { background: #bfdbfe; }
.share-messenger { background: #ede9fe; color: #5b21b6; }
.share-messenger:hover { background: #ddd6fe; }
.share-twitter { background: #f1f5f9; color: #0f172a; }
.share-twitter:hover { background: var(--border); }
.share-sms { background: #d1fae5; color: #064e3b; }
.share-sms:hover { background: #a7f3d0; }
.share-email { background: #fef3c7; color: #92400e; }
.share-email:hover { background: #fde68a; }

.share-copy {
    display: flex; gap: 8px;
    background: #f8fafc; border: 1.5px solid var(--border);
    border-radius: 10px; padding: 4px 4px 4px 14px;
}
.share-copy input {
    flex: 1; background: none; border: none; outline: none;
    font-size: 13px; color: var(--text-2);
}
.btn-copy {
    display: flex; align-items: center; gap: 6px;
    background: var(--accent); color: #fff;
    border: none; border-radius: 8px;
    padding: 8px 14px; font-size: 13px; font-weight: 600;
    cursor: pointer; transition: background var(--transition);
}
.btn-copy:hover { background: var(--accent-hover); }

/* ---- Responsive ---- */
@media (max-width: 600px) {
    .fields-grid { grid-template-columns: 1fr; }
    .form-step { padding: 20px 20px 0; }
    .form-nav { padding: 20px; }
    .merci-card { padding: 36px 24px; }
    .share-grid { grid-template-columns: repeat(2,1fr); }
    .progress-bar-wrap { padding: 16px 20px 0; }
}