/* Explain: Styles for reusable components like site header, hero, countdown, cards, and forms. */
.site-header {
    background: linear-gradient(180deg, rgba(251, 246, 242, 0.94), rgba(251, 246, 242, 0.70));
    backdrop-filter: blur(18px);
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--primary-color);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.section-kicker::before {
    display: inline-block;
    width: 2.2rem;
    height: 1px;
    background: var(--accent-color);
    content: "";
}

.glass-panel {
    border: 1px solid var(--glass-border);
    background: linear-gradient(150deg, rgba(251, 246, 242, 0.92), rgba(245, 234, 227, 0.74));
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(16px);
}

.arch-frame {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(110, 31, 53, 0.22);
    background: var(--surface-color);
    box-shadow: var(--shadow-soft);
}

.arch-frame::after {
    position: absolute;
    inset: 1rem;
    border: 1px solid rgba(251, 246, 242, 0.6);
    border-radius: inherit;
    content: "";
    pointer-events: none;
}

.arch-frame-medium {
    height: 560px;
    max-width: 450px;
    border-radius: 999px 999px 2.1rem 2.1rem;
}

/* Hero */
.hero-kicker {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.34em;
    text-transform: uppercase;
    color: rgba(248, 241, 234, 0.82);
}

.hero-title {
    margin-top: 1rem;
    font-family: var(--font-hero);
    font-size: clamp(3.2rem, 12vw, 7rem);
    font-weight: 400;
    line-height: 1;
    letter-spacing: 0.01em;
    color: #FFFFFF;
    text-shadow: 0 2px 22px rgba(43, 27, 30, 0.45);
}

.hero-amp {
    font-style: italic;
    font-weight: 400;
    opacity: 0.85;
}

.hero-cover .hero-title {
    color: #FFFFFF;
}

.hero-divider {
    width: 4rem;
    height: 1px;
    margin: 1.7rem auto 0;
    background: rgba(248, 241, 234, 0.5);
}

.hero-date {
    margin-top: 1.5rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--on-dark-color);
}

.hero-place {
    margin-top: 0.6rem;
    font-size: 0.95rem;
    letter-spacing: 0.06em;
    color: rgba(248, 241, 234, 0.78);
}

/* Compte à rebours */
.countdown {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.countdown-box {
    min-width: 5rem;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 1.2rem;
    background: rgba(43, 27, 30, 0.55);
    padding: 0.85rem 1rem;
    text-align: center;
    backdrop-filter: blur(12px);
    box-shadow: 0 12px 30px rgba(43, 27, 30, 0.35);
}

.countdown-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.9rem;
    line-height: 1;
    color: #FFFFFF;
    text-shadow: 0 2px 14px rgba(43, 27, 30, 0.45);
}

.countdown-label {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: #FFFFFF;
    text-shadow: 0 1px 10px rgba(43, 27, 30, 0.45);
}

/* Cartes d'information */
.detail-card {
    border: 1px solid var(--glass-border);
    border-radius: 1.8rem;
    background: var(--glass-bg);
    padding: 1.6rem;
    transition: transform 300ms ease, box-shadow 300ms ease;
}

.detail-card:hover {
    box-shadow: var(--shadow-soft);
    transform: translateY(-4px);
}

.detail-icon {
    display: inline-flex;
    height: 2.75rem;
    width: 2.75rem;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--sage-soft);
    color: var(--accent-color);
    font-size: 1rem;
}

/* Programme */
.programme-card {
    display: grid;
    gap: 0.5rem;
    border-radius: 1.8rem;
    padding: 1.4rem 1.6rem;
    transition: border-color 300ms ease, transform 300ms ease;
}

.programme-card:hover {
    border-color: rgba(110, 31, 53, 0.42);
    transform: translateY(-3px);
}

.programme-time {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 600;
    color: var(--primary-color);
}

@media (min-width: 640px) {
    .programme-card {
        grid-template-columns: 6.5rem 1fr;
        align-items: start;
        gap: 1.25rem;
    }
}

/* Formulaire de confirmation */
.rsvp-card {
    border-radius: 2.2rem;
    padding: clamp(1.5rem, 4vw, 2.4rem);
}

.rsvp-greeting {
    font-family: var(--font-script);
    font-size: 1.6rem;
    color: var(--primary-color);
}

.rsvp-choice {
    display: flex;
    min-height: 3rem;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.62);
    padding: 0.65rem 1.1rem;
    font-size: 0.92rem;
    font-weight: 500;
    transition: border-color 300ms ease, background 300ms ease;
}

.rsvp-choice:hover {
    border-color: var(--primary-color);
}

.form-label {
    display: block;
    margin-bottom: 0.55rem;
    color: var(--text-color);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.form-status.success {
    color: #3F5D46;
}

.form-status.error {
    color: #9B3B33;
}

.is-hidden {
    display: none !important;
}

@media (max-width: 767px) {
    .section-kicker::before {
        width: 1.6rem;
    }

    .arch-frame-medium {
        height: 460px;
    }
}