/* DA noir & blanc — moderne et épurée */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
    --black: #0a0a0a;
    --ink: #1a1a1a;
    --grey-dark: #3d3d3d;
    --grey: #737373;
    --grey-soft: #d4d4d4;
    --grey-line: #e7e7e7;
    --grey-bg: #f6f6f6;
    --white: #ffffff;
    --radius: 14px;
    --radius-sm: 10px;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 28px -12px rgba(0, 0, 0, 0.14);
    --shadow-hover: 0 2px 4px rgba(0, 0, 0, 0.05), 0 14px 36px -12px rgba(0, 0, 0, 0.2);
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

body {
    background: var(--white);
    color: var(--ink);
    font-family: 'Instrument Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 56px 20px 72px;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

.container {
    width: 100%;
    max-width: 660px;
    animation: rise 0.55s var(--ease) both;
}

@keyframes rise {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ─── En-tête ─── */
h1 {
    font-size: clamp(1.7em, 4.5vw, 2.3em);
    font-weight: 800;
    text-align: center;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 26px;
}

/* ─── Carte formulaire ─── */
form {
    background: var(--white);
    border: 1px solid var(--grey-line);
    border-radius: 20px;
    box-shadow: var(--shadow);
    padding: clamp(24px, 5vw, 40px);
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ─── Sections ─── */
.form-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
    counter-reset: question;
}

.section-title {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-weight: 500;
    font-size: 0.92em;
    line-height: 1.55;
    color: var(--grey-dark);
    background: var(--grey-bg);
    border: 1px dashed var(--grey-soft);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-bottom: 8px;
}

.section-title i {
    margin-top: 3px;
}

/* ─── Carte question ─── */
.form-group {
    text-align: left;
    border: 1px solid var(--grey-line);
    border-radius: var(--radius);
    padding: 18px;
    background: var(--white);
    counter-increment: question;
}

/* Numéro auto de question */
.question-title {
    display: flex;
    align-items: baseline;
    gap: 10px;
    font-size: 0.98em;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--black);
    margin-bottom: 4px;
    text-align: left;
}

.question-title::before {
    content: counter(question, decimal-leading-zero);
    flex: none;
    font-size: 0.72em;
    font-weight: 800;
    letter-spacing: 0.06em;
    color: var(--white);
    background: var(--black);
    border-radius: 7px;
    padding: 3px 8px;
    transform: translateY(-1px);
}

.question-subtitle {
    display: block;
    font-size: 0.85em;
    font-weight: 400;
    color: var(--grey);
    line-height: 1.55;
    margin: 0 0 12px 42px;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 8px;
    text-align: left;
    font-size: 0.9em;
    color: var(--grey-dark);
}

/* ─── Champs ─── */
input[type="text"],
textarea,
.custom-select {
    width: 100%;
    padding: 13px 15px;
    border: 1.5px solid var(--grey-line);
    border-radius: var(--radius-sm);
    background: var(--grey-bg);
    color: var(--ink);
    font-size: 0.93em;
    font-family: inherit;
    line-height: 1.55;
    box-sizing: border-box;
    outline: none;
}

input[type="text"]::placeholder,
textarea::placeholder {
    color: #a8a8a8;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

.custom-select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    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 fill='%230a0a0a' d='M1 1l5 5 5-5' stroke='%230a0a0a' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    padding-right: 40px;
}

.custom-select option {
    background: var(--white);
    color: var(--ink);
}

/* ─── Bouton ─── */
.submit-button {
    width: 100%;
    margin-top: 10px;
    padding: 16px 24px;
    border: 1px solid var(--black);
    border-radius: 12px;
    background: var(--black);
    color: var(--white);
    font-size: 0.92em;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* ─── Message de remerciement ─── */
.thankyou {
    text-align: center;
    margin-top: 20px;
    padding: 40px 30px;
    background: var(--white);
    border: 1px solid var(--grey-line);
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.thankyou-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.thankyou-icon {
    font-size: 2.6em;
    color: var(--black);
}

.thankyou p {
    font-size: 1.1em;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--black);
    margin: 0;
}

.back-button {
    padding: 11px 22px;
    background: var(--white);
    border: 1.5px solid var(--black);
    border-radius: 999px;
    color: var(--black);
    font-size: 0.85em;
    font-weight: 700;
    cursor: pointer;
}

/* ─── Widget contact ─── */
.contact-widget {
    margin-top: 20px;
    background: var(--white);
    border: 1px solid var(--grey-line);
    border-radius: 20px;
    box-shadow: var(--shadow);
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-align: left;
}

.contact-title {
    font-size: 0.95em;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--black);
}

.contact-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.88em;
    color: var(--grey-dark);
    text-decoration: none;
}

a.contact-row:hover {
    text-decoration: underline;
}

.contact-row i {
    margin-top: 3px;
    color: var(--black);
}

.contact-row a {
    color: var(--black);
    font-weight: 600;
    text-decoration: none;
}

.contact-row a:hover {
    text-decoration: underline;
}

.contact-instas {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* ─── PC : widget contact en colonne latérale sticky ─── */
@media screen and (min-width: 1024px) {
    .container {
        max-width: 1020px;
        display: grid;
        grid-template-columns: minmax(0, 1fr) 280px;
        gap: 0 24px;
        align-items: start;
    }

    h1 {
        grid-column: 1 / -1;
    }

    form,
    .thankyou {
        grid-column: 1;
        min-width: 0;
    }

    .contact-widget {
        grid-column: 2;
        grid-row: 2;
        align-self: start;
        position: sticky;
        top: 24px;
        margin-top: 0;
    }
}

/* ─── Responsive ─── */
@media screen and (max-width: 520px) {
    body {
        padding: 32px 12px 48px;
    }

    form {
        border-radius: 16px;
    }

    .form-group {
        padding: 15px;
    }

    .question-subtitle {
        margin-left: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}