/* === David Raccuglia — Photography Portfolio === */

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --black: #1a1a1a;
    --white: #ffffff;
    --gray: #888888;
    --light-gray: #f5f5f5;
    --nav-height: 60px;
    --font: 'Helvetica Neue', Helvetica, Arial, -apple-system, BlinkMacSystemFont, sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    color: var(--black);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; height: auto; }
a { color: var(--black); text-decoration: none; }

/* ─── Lazy load: fade from background color ─── */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.6s ease;
}
img[loading="lazy"].loaded {
    opacity: 1;
}

/* ─── Navigation ─── */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.site-nav__inner {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-nav__brand {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    white-space: nowrap;
}

.site-nav__links {
    display: flex;
    gap: 0.25rem;
}

.site-nav__links a {
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.4rem 0.75rem;
    color: var(--gray);
    transition: color 0.2s;
    font-weight: 400;
}

.site-nav__links a:hover,
.site-nav__links a.active {
    color: var(--black);
}

/* Hamburger */
.site-nav__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 24px;
    height: 20px;
    position: relative;
    z-index: 10;
}

.site-nav__toggle span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--black);
    position: absolute;
    left: 0;
    transition: all 0.3s;
}

.site-nav__toggle span:nth-child(1) { top: 0; }
.site-nav__toggle span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.site-nav__toggle span:nth-child(3) { bottom: 0; }

.site-nav__toggle.active span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.site-nav__toggle.active span:nth-child(2) { opacity: 0; }
.site-nav__toggle.active span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* ─── Main Content ─── */
.site-main {
    margin-top: var(--nav-height);
}

/* ─── Slideshow Block ─── */
.block-slideshow {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.slideshow-swiper {
    width: 100%;
    height: 100%;
}

.slideshow-swiper .swiper-slide {
    position: relative;
    overflow: hidden;
}

.slideshow-swiper .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slideshow-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 3rem 2rem 2rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.5));
    color: var(--white);
}

.slideshow-overlay h2 {
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

.slideshow-overlay p {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: 0.25rem;
}

.swiper-pagination-bullet {
    background: var(--white) !important;
    opacity: 0.5 !important;
}

.swiper-pagination-bullet-active {
    opacity: 1 !important;
}

/* ─── Image Grid Block ─── */
.block-image-grid {
    padding: 0 var(--grid-gap);
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(var(--grid-cols, 3), 1fr);
    gap: var(--grid-gap, 10px);
}

.image-grid__item {
    overflow: hidden;
}

.image-grid__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.image-grid__item:hover img {
    transform: scale(1.03);
}

/* ─── Masonry Block ─── */
.block-masonry {
    padding: 0 var(--masonry-gap);
}

.masonry-grid {
    columns: var(--masonry-cols, 3);
    column-gap: var(--masonry-gap, 10px);
}

.masonry-grid__item {
    break-inside: avoid;
    margin-bottom: var(--masonry-gap, 10px);
    position: relative;
    overflow: hidden;
}

.masonry-grid__item a {
    display: block;
    position: relative;
}

.masonry-grid__item img {
    width: 100%;
    display: block;
    transition: transform 0.6s ease;
}

.masonry-grid__item:hover img {
    transform: scale(1.03);
}

.masonry-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem 1.25rem 1.25rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.6));
    color: var(--white);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.masonry-grid__item:hover .masonry-overlay {
    opacity: 1;
}

.masonry-overlay__name {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.masonry-overlay__sub {
    font-size: 0.75rem;
    opacity: 0.8;
    margin-top: 0.15rem;
}

/* ─── Full Image Block ─── */
.block-full-image {
    width: 100%;
    overflow: hidden;
}

.block-full-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.block-full-image--parallax {
    position: relative;
}

.block-full-image--parallax img {
    position: absolute;
    top: -20%;
    left: 0;
    width: 100%;
    height: 140%;
    object-fit: cover;
    will-change: transform;
}

/* ─── Text Block ─── */
.block-text {
    padding: 2rem;
}

.block-text__inner {
    margin: 0 auto;
}

.block-text__inner h2 {
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: 0.03em;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.block-text__inner h3 {
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: 0.03em;
    margin-bottom: 0.75rem;
}

.block-text__inner p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #444;
    margin-bottom: 1rem;
}

.block-text__inner p:last-child {
    margin-bottom: 0;
}

.block-text__inner a {
    border-bottom: 1px solid var(--black);
    transition: opacity 0.2s;
}

.block-text__inner a:hover {
    opacity: 0.6;
}

/* ─── Video Block ─── */
.block-video {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

.video-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ─── Spacer Block ─── */
.block-spacer {
    width: 100%;
}

/* ─── Children Grid Block ─── */
.block-children-grid {
    padding: 0 2rem;
}

.children-grid {
    display: grid;
    grid-template-columns: repeat(var(--children-cols, 2), 1fr);
    gap: var(--children-gap, 20px);
    max-width: 1200px;
    margin: 0 auto;
}

.children-grid__card {
    display: block;
    text-decoration: none;
    overflow: hidden;
    transition: opacity 0.3s;
}

.children-grid__card:hover {
    opacity: 0.85;
}

.children-grid__image {
    overflow: hidden;
    aspect-ratio: 3/2;
}

.children-grid__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.children-grid__card:hover .children-grid__image img {
    transform: scale(1.03);
}

.children-grid__image--empty {
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--gray);
    font-weight: 300;
}

.children-grid__title {
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 0.75rem;
    color: var(--black);
}

/* ─── Footer ─── */
.site-footer {
    padding: 3rem 2rem;
    border-top: 1px solid rgba(0,0,0,0.06);
    margin-top: 4rem;
}

.site-footer__inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--gray);
}

.site-footer__inner a {
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.7rem;
}

.site-footer__inner a:hover {
    color: var(--black);
}

/* ─── Scroll Animations ─── */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ─── Utility Pages ─── */
.welcome-page,
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
    text-align: center;
    padding: 2rem;
}

.welcome-page h1,
.error-page h1 {
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.welcome-page p,
.error-page p {
    color: var(--gray);
    font-size: 0.9rem;
}

.error-page__link {
    margin-top: 2rem;
    font-size: 0.85rem;
    color: var(--gray);
    border-bottom: 1px solid var(--gray);
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .site-nav__toggle {
        display: block;
    }

    .site-nav__links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        transition: right 0.3s ease;
    }

    .site-nav__links.open {
        right: 0;
    }

    .site-nav__links a {
        font-size: 1rem;
        padding: 0.75rem 1rem;
    }

    .image-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .masonry-grid {
        columns: 2 !important;
    }

    .children-grid {
        grid-template-columns: 1fr !important;
    }

    .slideshow-overlay h2 {
        font-size: 1.4rem;
    }

    .block-text {
        padding: 1.5rem 1rem;
    }

    .block-video {
        padding: 0 1rem;
    }

    .block-children-grid {
        padding: 0 1rem;
    }

    .block-image-grid {
        padding: 0;
    }

    .block-masonry {
        padding: 0;
    }

    .site-footer {
        padding: 2rem 1rem;
    }

    .site-footer__inner {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .image-grid {
        grid-template-columns: 1fr !important;
    }

    .masonry-grid {
        columns: 1 !important;
    }
}