/* Explain: Styles for premium UX components: buttons, cards, forms, animations, and slots. */
.site-header {
    background: linear-gradient(180deg, color-mix(in srgb, var(--background-color) 92%, transparent), color-mix(in srgb, var(--background-color) 64%, transparent));
    backdrop-filter: blur(18px);
}

.nav-link {
    color: var(--text-color);
    font-weight: 600;
    transition: color 250ms ease;
}

.nav-link:hover {
    color: var(--primary-color);
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--sage-dark);
    font-size: 0.74rem;
    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: "";
}

.section-kicker--light {
    color: var(--button-color);
}

.section-kicker--light::before {
    background: var(--button-color);
}

.glass-panel {
    border: 1px solid var(--glass-border);
    background: linear-gradient(145deg, color-mix(in srgb, var(--background-color) 86%, transparent), color-mix(in srgb, var(--surface-color) 58%, transparent));
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(18px);
}

.btn-solid {
    display: inline-flex;
    min-height: 3rem;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    border: 0;
    border-radius: 999px;
    background: var(--button-color);
    padding: 0.85rem 1.75rem;
    color: var(--text-color);
    font-size: 0.95rem;
    font-weight: 700;
    box-shadow: var(--shadow-button);
    transition: transform 300ms ease, background-color 300ms ease, box-shadow 300ms ease;
}

.btn-solid:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.btn-outline-light {
    display: inline-flex;
    min-height: 3rem;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    border: 1px solid color-mix(in srgb, var(--background-color) 45%, transparent);
    border-radius: 999px;
    background: color-mix(in srgb, var(--background-color) 10%, transparent);
    padding: 0.85rem 1.75rem;
    color: var(--background-color);
    font-weight: 600;
    backdrop-filter: blur(12px);
    transition: background-color 300ms ease, border-color 300ms ease, transform 300ms ease;
}

.btn-outline-light:hover {
    background: color-mix(in srgb, var(--background-color) 22%, transparent);
    transform: translateY(-2px);
}

.btn-soft {
    display: inline-flex;
    min-height: 3rem;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    background: color-mix(in srgb, var(--background-color) 70%, transparent);
    padding: 0.85rem 1.75rem;
    color: var(--text-color);
    font-weight: 600;
    backdrop-filter: blur(12px);
    transition: background-color 250ms ease, border-color 250ms ease, transform 250ms ease;
}

.btn-soft:hover {
    border-color: var(--accent-color);
    background: var(--surface-color);
    transform: translateY(-2px);
}

.stat-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid color-mix(in srgb, var(--background-color) 30%, transparent);
    border-radius: 999px;
    background: color-mix(in srgb, var(--background-color) 12%, transparent);
    padding: 0.55rem 1rem;
    color: var(--background-color);
    font-size: 0.8rem;
    font-weight: 600;
    backdrop-filter: blur(12px);
}

.media-frame {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    border-radius: 2.4rem;
    background: var(--surface-color);
    box-shadow: var(--shadow-soft);
}

.media-frame img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    transition: transform 600ms ease;
}

.media-frame:hover img {
    transform: scale(1.04);
}

.icon-badge {
    display: inline-flex;
    height: 2.9rem;
    width: 2.9rem;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    background: var(--sage-soft);
    color: var(--sage-dark);
    font-size: 1.05rem;
}

.club-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    background: color-mix(in srgb, var(--background-color) 72%, transparent);
    padding: 0.5rem 1rem;
    color: var(--sage-dark);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.form-status {
    min-height: 1.25rem;
    font-size: 0.9rem;
}

.form-status.is-success {
    color: var(--primary-color);
}

.form-status.is-error {
    color: var(--logo-subtitle-color);
}

.philosophy-card {
    display: flex;
    height: 100%;
    flex-direction: column;
    gap: 0.85rem;
    border: 1px solid var(--glass-border);
    border-radius: 1.9rem;
    background: color-mix(in srgb, var(--background-color) 78%, transparent);
    padding: 1.75rem;
    backdrop-filter: blur(14px);
    transition: transform 300ms ease, border-color 300ms ease, box-shadow 300ms ease;
}

.philosophy-card:hover {
    border-color: color-mix(in srgb, var(--accent-color) 60%, transparent);
    box-shadow: 0 26px 70px color-mix(in srgb, var(--text-color) 12%, transparent);
    transform: translateY(-6px);
}

.philosophy-card h3 {
    color: var(--text-color);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
}

.philosophy-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.75;
}

.step-number {
    display: inline-flex;
    height: 2.4rem;
    width: 2.4rem;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid var(--glass-border);
    background: color-mix(in srgb, var(--background-color) 70%, transparent);
    color: var(--sage-dark);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
}

.price-card {
    display: flex;
    height: 100%;
    flex-direction: column;
    border: 1px solid var(--glass-border);
    border-radius: 2.2rem;
    background: color-mix(in srgb, var(--background-color) 80%, transparent);
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(16px);
    transition: transform 300ms ease, box-shadow 300ms ease;
}

.price-card:hover {
    box-shadow: 0 30px 80px color-mix(in srgb, var(--text-color) 14%, transparent);
    transform: translateY(-6px);
}

.price-card--featured {
    border-color: var(--accent-color);
    background: linear-gradient(160deg, color-mix(in srgb, var(--primary-color) 12%, var(--background-color)), color-mix(in srgb, var(--surface-color) 88%, transparent));
}

.price-value {
    color: var(--text-color);
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 600;
    line-height: 1;
}

.slot-button {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.85rem;
    border: 1px solid var(--glass-border);
    border-radius: 1.6rem;
    background: color-mix(in srgb, var(--background-color) 75%, transparent);
    padding: 1.25rem 1.35rem;
    color: var(--text-color);
    font-size: 0.95rem;
    font-weight: 600;
    text-align: left;
    backdrop-filter: blur(14px);
    transition: transform 250ms ease, border-color 250ms ease, background-color 250ms ease, box-shadow 250ms ease, opacity 250ms ease;
}

.slot-button:hover:not(:disabled) {
    border-color: var(--accent-color);
    box-shadow: 0 18px 44px color-mix(in srgb, var(--text-color) 10%, transparent);
    transform: translateY(-3px);
}

.slot-button:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.slot-button.is-active {
    border-color: var(--primary-color);
    background: color-mix(in srgb, var(--primary-color) 14%, var(--background-color));
    box-shadow: 0 18px 44px color-mix(in srgb, var(--primary-color) 22%, transparent);
}

.slot-button.is-full,
.slot-button:disabled {
    cursor: not-allowed;
    opacity: 0.65;
    box-shadow: none;
    transform: none;
}

.slot-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.slot-status {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 0.3rem 0.7rem;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    white-space: nowrap;
}

.slot-status--open {
    background: var(--sage-soft);
    color: var(--sage-dark);
}

.slot-status--low {
    background: var(--terracotta-soft);
    color: var(--primary-color);
}

.slot-status--full {
    background: color-mix(in srgb, var(--logo-subtitle-color) 16%, transparent);
    color: var(--logo-subtitle-color);
}

.slot-progress {
    display: block;
    height: 0.4rem;
    width: 100%;
    overflow: hidden;
    border-radius: 999px;
    background: color-mix(in srgb, var(--text-color) 10%, transparent);
}

.slot-progress span {
    display: block;
    height: 100%;
    width: 0;
    border-radius: 999px;
    background: var(--accent-color);
    transition: width 400ms ease;
}

.slot-names {
    display: block;
    font-size: 0.84rem;
    font-weight: 500;
    line-height: 1.6;
    color: var(--text-muted);
}

.faq-item {
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    background: color-mix(in srgb, var(--background-color) 78%, transparent);
    padding: 0.35rem 1.4rem;
    backdrop-filter: blur(14px);
    transition: border-color 250ms ease, background-color 250ms ease;
}

.faq-item[open] {
    border-color: color-mix(in srgb, var(--accent-color) 55%, transparent);
    background: color-mix(in srgb, var(--surface-color) 82%, transparent);
}

.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    cursor: pointer;
    padding: 1.1rem 0;
    color: var(--text-color);
    font-weight: 600;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-chevron {
    color: var(--accent-color);
    transition: transform 280ms ease;
}

.faq-item[open] .faq-chevron {
    transform: rotate(180deg);
}

.faq-item p {
    padding-bottom: 1.25rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.8;
}

.mobile-cta-bar {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 45;
    border-top: 1px solid var(--glass-border);
    background: color-mix(in srgb, var(--background-color) 90%, transparent);
    padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom));
    backdrop-filter: blur(18px);
}

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-enter {
    animation: heroEnter 900ms ease both;
}

@keyframes heroEnter {
    from {
        opacity: 0;
        transform: translateY(26px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 767px) {
    .section-kicker::before {
        width: 1.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
    }

    .hero-enter {
        animation: none;
    }
}