/**
 * Momentum Component Styles
 *
 * Styles for the Momentum monthly meetups page including:
 * - Hero section with branding
 * - Next event card
 * - About section
 * - Archive timeline/gallery
 * - Lightbox for full-size posters
 */

@layer components {
    /* ========================================
       Global Mobile Overflow Prevention
       ======================================== */
    .momentum-hero,
    .momentum-next,
    .momentum-about,
    .momentum-archive {
        overflow-x: hidden;
    }

    /* ========================================
       Momentum Hero Section
       ======================================== */
    .momentum-hero {
        position: relative;
        padding: var(--space-7) var(--space-5);
        padding-block-end: calc(var(--space-7) + 60px);
        text-align: center;
        background:
            linear-gradient(
                to bottom,
                rgba(31, 33, 34, 0.75) 0%,
                rgba(31, 33, 34, 0.6) 50%,
                rgba(31, 33, 34, 0.95) 85%,
                var(--color-bg) 100%
            ),
            url('/img/momentum.jpg') center/cover no-repeat;
        overflow: hidden;
    }

    .momentum-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background-image:
            radial-gradient(circle at 20% 30%, rgba(60, 159, 126, 0.2) 0%, transparent 50%),
            radial-gradient(circle at 80% 40%, rgba(151, 33, 86, 0.2) 0%, transparent 50%);
        animation: momentum-pulse 8s ease-in-out infinite alternate;
    }

    @keyframes momentum-pulse {
        0% { opacity: 0.5; }
        100% { opacity: 1; }
    }

    .momentum-hero__content {
        position: relative;
        z-index: 1;
        max-width: var(--content-max-width);
        margin-inline: auto;
        padding-inline: var(--space-2);
    }

    .momentum-hero__title {
        font-family: var(--font-heading);
        font-size: clamp(2.5rem, 6vw + 1rem, 4rem);
        font-weight: var(--font-weight-bold);
        text-transform: uppercase;
        letter-spacing: 3px;
        line-height: var(--line-height-tight);
        margin: 0 0 var(--space-3);
        background: var(--gradient-animate);
        background-size: 200% 100%;
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        animation: gradient-shift 20s linear infinite;
    }

    .momentum-hero__subtitle {
        font-size: var(--text-xl);
        color: var(--color-text);
        max-width: 600px;
        margin-inline: auto;
        margin-block-end: var(--space-5);
        line-height: var(--line-height-normal);
    }

    .momentum-hero__cta {
        display: inline-flex;
        align-items: center;
        gap: var(--space-2);
        padding: var(--space-3) var(--space-5);
        font-family: var(--font-heading);
        font-size: var(--text-base);
        font-weight: var(--font-weight-bold);
        text-transform: uppercase;
        letter-spacing: 1px;
        color: var(--color-text-bright);
        background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
        border-radius: var(--radius-md);
        transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    }

    .momentum-hero__cta:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(60, 159, 126, 0.3);
        text-decoration: none;
    }

    .momentum-hero__cta i {
        font-size: 1.2em;
    }

    /* ========================================
       Next Event Card
       ======================================== */
    .momentum-next {
        max-width: var(--content-max-width);
        margin: calc(-1 * var(--space-7)) auto var(--space-6);
        padding: 0 var(--space-4);
        position: relative;
        z-index: 2;
    }

    .momentum-next__card {
        background: rgba(74, 74, 74, 0.85);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-radius: var(--radius-lg);
        padding: var(--space-5);
        position: relative;
        overflow: hidden;
        box-shadow:
            0 8px 32px rgba(0, 0, 0, 0.3),
            0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .momentum-next__card::before {
        content: "";
        position: absolute;
        inset: 0;
        border-radius: var(--radius-lg);
        padding: 2px;
        background: linear-gradient(135deg, var(--color-secondary), var(--color-primary), #F2405E);
        -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
        mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
        -webkit-mask-composite: xor;
        mask-composite: exclude;
        opacity: 0.8;
    }

    .momentum-next__header {
        display: flex;
        align-items: center;
        gap: var(--space-2);
        margin-block-end: var(--space-4);
        font-family: var(--font-heading);
        font-size: var(--text-lg);
        text-transform: uppercase;
        letter-spacing: 1px;
        color: var(--color-text-muted);
    }

    .momentum-next__header i {
        color: var(--color-secondary);
    }

    .momentum-next--pending {
        text-align: center;
        padding: var(--space-6);
    }

    .momentum-next--pending p {
        font-size: var(--text-lg);
        color: var(--color-text-muted);
        margin: 0;
    }

    /* Populated next-event card (poster + details) */
    .momentum-next__body {
        display: flex;
        gap: var(--space-5);
        align-items: flex-start;
    }

    .momentum-next__poster {
        width: 180px;
        flex-shrink: 0;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-md);
    }

    .momentum-next__details {
        flex: 1;
        min-width: 0;
    }

    .momentum-next__meta {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-2) var(--space-4);
        margin-block-end: var(--space-3);
    }

    .momentum-next__meta span {
        display: inline-flex;
        align-items: center;
        gap: var(--space-2);
        color: var(--color-text-bright);
        font-weight: var(--font-weight-bold);
    }

    .momentum-next__meta i {
        color: var(--color-secondary);
    }

    .momentum-next__text {
        color: var(--color-text);
        line-height: 1.7;
    }

    .momentum-next__text p {
        margin-block-end: var(--space-3);
    }

    @media (max-width: 600px) {
        .momentum-next__body {
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .momentum-next__poster {
            width: 100%;
            max-width: 280px;
        }

        .momentum-next__meta {
            justify-content: center;
        }
    }

    /* ========================================
       About Section (Two Columns)
       ======================================== */
    .momentum-about {
        max-width: var(--content-max-width);
        margin-inline: auto;
        padding: var(--space-6) var(--space-4);
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    @media (min-width: 700px) {
        .momentum-about {
            grid-template-columns: 1fr 1fr;
        }
    }

    .momentum-about__section {
        background: var(--color-bg-card);
        border-radius: var(--radius-lg);
        padding: var(--space-5);
    }

    .momentum-about__title {
        font-family: var(--font-heading);
        font-size: var(--text-xl);
        color: var(--color-text-bright);
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-block-end: var(--space-4);
        padding-block-end: var(--space-2);
        border-block-end: 2px solid var(--color-secondary);
        display: inline-block;
    }

    .momentum-about__text {
        color: var(--color-text);
        line-height: 1.7;
    }

    .momentum-about__text p {
        margin-block-end: var(--space-3);
    }

    .momentum-about__list {
        list-style: none;
        padding: 0;
        margin: 0;
        text-align: left;
    }

    .momentum-about__list li {
        display: flex;
        align-items: flex-start;
        gap: var(--space-3);
        padding: var(--space-3) 0;
        border-block-end: 1px solid rgba(255, 255, 255, 0.1);
    }

    .momentum-about__list li:last-child {
        border-block-end: none;
    }

    .momentum-about__list i {
        color: var(--color-secondary);
        font-size: var(--text-lg);
        width: 1.5em;
        flex-shrink: 0;
        margin-block-start: 0.15em;
        text-align: center;
    }

    .momentum-about__list strong {
        display: block;
        color: var(--color-text-bright);
        margin-block-end: var(--space-1);
    }

    .momentum-about__list-cta {
        text-align: center;
        margin-block-start: var(--space-4);
    }

    /* ========================================
       Archive Section
       ======================================== */
    .momentum-archive {
        max-width: var(--content-max-width);
        margin-inline: auto;
        padding: var(--space-6) var(--space-4);
    }

    .momentum-archive__title {
        font-family: var(--font-heading);
        font-size: var(--text-2xl);
        color: var(--color-text-bright);
        text-transform: uppercase;
        letter-spacing: 2px;
        text-align: center;
        margin-block-end: var(--space-5);
    }

    .momentum-archive__grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: var(--space-4);
    }

    @media (min-width: 600px) {
        .momentum-archive__grid {
            grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        }
    }

    .momentum-archive__item {
        position: relative;
        aspect-ratio: 3 / 4;
        border-radius: var(--radius-md);
        overflow: hidden;
        cursor: pointer;
        background: var(--color-bg-elevated);
    }

    .momentum-archive__item img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-normal);
    }

    .momentum-archive__item:hover img {
        transform: scale(1.05);
    }

    .momentum-archive__item:focus-visible {
        outline: 2px solid var(--color-secondary);
        outline-offset: 2px;
    }

    .momentum-archive__info {
        position: absolute;
        inset: auto 0 0 0;
        padding: var(--space-3);
        background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
        color: var(--color-text-bright);
        font-size: var(--text-sm);
    }

    .momentum-archive__number {
        font-family: var(--font-heading);
        font-size: var(--text-lg);
        font-weight: var(--font-weight-bold);
        display: block;
    }

    .momentum-archive__date {
        color: var(--color-text-muted);
        font-size: var(--text-xs);
    }

    /* ========================================
       Lightbox / Modal
       ======================================== */
    .momentum-lightbox {
        display: none;
        position: fixed;
        inset: 0;
        z-index: var(--z-modal);
        background: rgba(0, 0, 0, 0.95);
        align-items: center;
        justify-content: center;
        opacity: 0;
        transition: opacity var(--transition-normal);
    }

    .momentum-lightbox.is-open {
        display: flex;
        opacity: 1;
    }

    .momentum-lightbox__content {
        position: relative;
        max-width: 90vw;
        max-height: 90vh;
    }

    .momentum-lightbox__img {
        max-width: 100%;
        max-height: 85vh;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-lg);
    }

    .momentum-lightbox__info {
        position: absolute;
        inset: auto 0 0 0;
        padding: var(--space-4);
        background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
        border-radius: 0 0 var(--radius-md) var(--radius-md);
        text-align: center;
    }

    .momentum-lightbox__title {
        font-family: var(--font-heading);
        font-size: var(--text-xl);
        color: var(--color-text-bright);
        margin-block-end: var(--space-1);
    }

    .momentum-lightbox__date {
        color: var(--color-text-muted);
        font-size: var(--text-sm);
    }

    .momentum-lightbox__close {
        position: absolute;
        top: var(--space-4);
        right: var(--space-4);
        width: 48px;
        height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: var(--text-2xl);
        color: var(--color-text-bright);
        background: rgba(0, 0, 0, 0.5);
        border: none;
        border-radius: 50%;
        cursor: pointer;
        transition: background-color var(--transition-fast);
    }

    .momentum-lightbox__close:hover {
        background: var(--color-primary);
    }

    .momentum-lightbox__nav {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 48px;
        height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: var(--text-xl);
        color: var(--color-text-bright);
        background: rgba(0, 0, 0, 0.5);
        border: none;
        border-radius: 50%;
        cursor: pointer;
        transition: background-color var(--transition-fast);
    }

    .momentum-lightbox__nav:hover {
        background: var(--color-primary);
    }

    .momentum-lightbox__nav--prev {
        left: var(--space-4);
    }

    .momentum-lightbox__nav--next {
        right: var(--space-4);
    }

    /* ========================================
       Responsive Adjustments
       ======================================== */
    @media (max-width: 600px) {
        .momentum-hero {
            padding: var(--space-6) var(--space-3);
        }

        .momentum-hero__title {
            font-size: clamp(1.8rem, 10vw, 2.5rem);
            letter-spacing: 0;
        }

        .momentum-hero__subtitle {
            font-size: var(--text-base);
        }

        .momentum-hero__cta {
            font-size: var(--text-xs);
            padding: var(--space-2) var(--space-3);
            white-space: nowrap;
        }

        .momentum-next {
            margin-block-start: calc(-1 * var(--space-5));
            padding: 0 var(--space-3);
        }

        .momentum-about {
            padding: var(--space-5) var(--space-3);
        }

        .momentum-about__section {
            padding: var(--space-4);
            overflow-wrap: break-word;
            word-wrap: break-word;
        }

        .momentum-about__title {
            font-size: var(--text-lg);
        }

        .momentum-next--pending {
            padding: var(--space-4);
        }

        .momentum-next--pending p {
            font-size: var(--text-base);
        }

        .momentum-archive {
            padding: var(--space-5) var(--space-3);
        }

        .momentum-lightbox__nav {
            width: 40px;
            height: 40px;
        }

        .momentum-lightbox__nav--prev {
            left: var(--space-2);
        }

        .momentum-lightbox__nav--next {
            right: var(--space-2);
        }
    }

    /* Reduced motion */
    @media (prefers-reduced-motion: reduce) {
        .momentum-hero::before {
            animation: none;
        }

        .momentum-archive__item img {
            transition: none;
        }
    }
}