/* =============================================================================
   REFERRERS — Page publique « Le Cercle Tchefon » (Sprint 2 — Option C)
   =============================================================================
   Cf. templates/public/referrers/index.html.twig
   Carnegie P28 (belle réputation à mériter) + P9 (importance) + P19 (sentiments
   élevés). Le couple parrain est mis en lumière, jamais classé.
   UX.md « Le luxe se vit » : grille aérée, photos rondes, typographie serif
   pour les noms.
   ============================================================================= */

.referrers {
    background: var(--tch-bg, #FFF7EA);
    color: var(--tch-primary, #1E2A5A);
    padding: clamp(3rem, 7vw, 5rem) clamp(1rem, 4vw, 2rem);
    min-height: 70vh;
}

.referrers__container {
    max-width: 1080px;
    margin: 0 auto;
}

/* ── Header — récit du cercle ──────────────────────────────────────────── */
.referrers__header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto clamp(2.5rem, 5vw, 4rem);
}

.referrers__eyebrow {
    display: inline-block;
    font-family: "Inter", sans-serif;
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--tch-accent, #C6A15B);
    margin-bottom: 1rem;
}

.referrers__title {
    font-family: "Cormorant Garamond", "Playfair Display", serif;
    font-size: clamp(2rem, 5.5vw, 3.2rem);
    font-weight: 500;
    line-height: 1.18;
    letter-spacing: -0.01em;
    color: var(--tch-primary, #1E2A5A);
    margin: 0 0 1rem 0;
}

.referrers__title em {
    font-style: italic;
    color: color-mix(in srgb, var(--tch-accent, #C6A15B) 80%, var(--tch-primary, #1E2A5A));
}

.referrers__lede {
    font-family: "Inter", sans-serif;
    font-size: 1.05rem;
    line-height: 1.65;
    font-style: italic;
    color: color-mix(in srgb, var(--tch-primary, #1E2A5A) 75%, transparent);
    margin: 0;
}

/* ── Grille des cartes ─────────────────────────────────────────────────── */
.referrers__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: clamp(1.25rem, 2.5vw, 2rem);
    margin-bottom: 3rem;
}

.referrers__card {
    position: relative;
    background: var(--tch-surface, #FFF);
    border: 1px solid color-mix(in srgb, var(--tch-accent, #C6A15B) 25%, transparent);
    border-radius: 16px;
    padding: 1.75rem 1.25rem 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: transform 320ms cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 320ms cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 16px -10px color-mix(in srgb, var(--tch-primary, #1E2A5A) 25%, transparent);
}

.referrers__card:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 56px -22px color-mix(in srgb, var(--tch-primary, #1E2A5A) 35%, transparent);
}

.referrers__card-badge {
    position: absolute;
    top: 0.85rem;
    right: 0.85rem;
    width: 36px;
    height: 36px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--tch-accent, #C6A15B) 14%, transparent);
    border: 1px solid color-mix(in srgb, var(--tch-accent, #C6A15B) 40%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tch-accent, #C6A15B);
    font-size: 1.1rem;
}

.referrers__card-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid color-mix(in srgb, var(--tch-accent, #C6A15B) 40%, transparent);
    margin-bottom: 0.4rem;
    box-shadow: 0 12px 28px -16px color-mix(in srgb, var(--tch-primary, #1E2A5A) 50%, transparent);
}

.referrers__card-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.referrers__card-photo--placeholder {
    background: color-mix(in srgb, var(--tch-primary, #1E2A5A) 12%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tch-accent, #C6A15B);
    font-size: 2.5rem;
}

.referrers__card-names {
    font-family: "Cormorant Garamond", serif;
    font-size: 1.45rem;
    font-weight: 500;
    color: var(--tch-primary, #1E2A5A);
    margin: 0;
    letter-spacing: -0.005em;
    line-height: 1.2;
}

.referrers__card-date {
    font-family: "Inter", sans-serif;
    font-size: 0.82rem;
    color: color-mix(in srgb, var(--tch-primary, #1E2A5A) 60%, transparent);
    font-style: italic;
    margin: 0;
}

.referrers__card-tier {
    display: inline-block;
    font-family: "Inter", sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--tch-accent, #C6A15B);
    background: color-mix(in srgb, var(--tch-accent, #C6A15B) 10%, transparent);
    padding: 0.3rem 0.85rem;
    border-radius: 999px;
    margin: 0.5rem 0;
}

.referrers__card-meta {
    font-family: "Inter", sans-serif;
    font-size: 0.88rem;
    line-height: 1.5;
    color: color-mix(in srgb, var(--tch-primary, #1E2A5A) 70%, transparent);
    margin: 0;
    max-width: 22ch;
}

.referrers__card-link {
    margin-top: 0.75rem;
    font-family: "Inter", sans-serif;
    font-size: 0.85rem;
    color: var(--tch-primary, #1E2A5A);
    text-decoration: none;
    border-bottom: 1px solid color-mix(in srgb, var(--tch-accent, #C6A15B) 50%, transparent);
    padding-bottom: 2px;
    transition: color 200ms ease, border-color 200ms ease;
}

.referrers__card-link:hover {
    color: var(--tch-accent, #C6A15B);
    border-color: var(--tch-accent, #C6A15B);
}

/* ── Reveal au scroll ──────────────────────────────────────────────────── */
.referrers__card[data-reveal] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 600ms cubic-bezier(0.16, 1, 0.3, 1),
                transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

.referrers__card[data-reveal].is-revealed,
.referrers__card[data-reveal].is-visible {
    opacity: 1;
    transform: none;
}

/* ── Footnote droit de sortie ──────────────────────────────────────────── */
.referrers__footnote {
    text-align: center;
    font-family: "Inter", sans-serif;
    font-size: 0.88rem;
    color: color-mix(in srgb, var(--tch-primary, #1E2A5A) 55%, transparent);
    font-style: italic;
    max-width: 600px;
    margin: 2rem auto 0;
}

.referrers__footnote a {
    color: var(--tch-accent, #C6A15B);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ── Empty state ───────────────────────────────────────────────────────── */
.referrers__empty {
    text-align: center;
    background: var(--tch-surface, #FFF);
    border: 1px solid color-mix(in srgb, var(--tch-accent, #C6A15B) 30%, transparent);
    border-radius: 16px;
    padding: clamp(2.5rem, 5vw, 4rem) 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.referrers__empty-lede {
    font-family: "Cormorant Garamond", serif;
    font-size: 1.2rem;
    font-style: italic;
    line-height: 1.55;
    color: color-mix(in srgb, var(--tch-primary, #1E2A5A) 75%, transparent);
    margin: 0 0 1.5rem 0;
}

.referrers__empty-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--tch-primary, #1E2A5A);
    color: var(--tch-accent, #C6A15B);
    border: 1px solid color-mix(in srgb, var(--tch-accent, #C6A15B) 65%, transparent);
    font-family: "Inter", sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.85rem 2rem;
    border-radius: 999px;
    text-decoration: none;
    transition: transform 220ms cubic-bezier(0.16, 1, 0.3, 1),
                background 220ms ease;
}

.referrers__empty-cta:hover {
    transform: translateY(-2px);
    background: color-mix(in srgb, var(--tch-primary, #1E2A5A) 88%, var(--tch-accent, #C6A15B));
}

/* ── Mobile ────────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
    .referrers__grid {
        grid-template-columns: 1fr;
        max-width: 360px;
        margin-left: auto;
        margin-right: auto;
    }
}