/* =============================================
   THE DISTORTED APERTURE — MINIMAL / GALLERY WHITE
   ============================================= */

:root {
    --white: #ffffff;
    --off-white: #fafafa;
    --light-gray: #f0f0f0;
    --border: #e8e8e8;
    --text: #111111;
    --text-secondary: #888888;
    --text-muted: #bbbbbb;
    --accent: #111111;
    --nav-height: 72px;
    --font-serif: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition: 0.35s var(--ease);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--white);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

ul { list-style: none; }

/* ---- Typography ---- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
}

.label {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

/* =============================================
   NAVIGATION
   ============================================= */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 900;
}

.nav-logo {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--text);
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: color var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text);
    transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* Mobile hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1px;
    background: var(--text);
    transition: all var(--transition);
}

.nav-toggle.open span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Mobile drawer */
.nav-drawer {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    z-index: 850;
    padding: 3rem 40px;
    flex-direction: column;
    gap: 2rem;
}

.nav-drawer.open {
    display: flex;
}

.nav-drawer a {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--text);
    transition: color var(--transition);
}

.nav-drawer a:hover {
    color: var(--text-secondary);
}

/* =============================================
   VIEWS / PAGES
   ============================================= */

#app-container {
    padding-top: var(--nav-height);
    min-height: 100vh;
}

.view {
    display: none;
    min-height: calc(100vh - var(--nav-height));
    animation: fadeView 0.4s var(--ease) forwards;
}

.view.active {
    display: block;
}

@keyframes fadeView {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* =============================================
   HOME / HERO
   ============================================= */

.hero {
    height: calc(100vh - var(--nav-height));
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('assets/images/vietnam-01.jpg') center/cover no-repeat;
    transition: transform 8s var(--ease);
    transform: scale(1.03);
}

.hero:hover .hero-bg {
    transform: scale(1);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.45) 0%, transparent 60%);
}

.hero-caption {
    position: relative;
    z-index: 2;
    padding: 56px 56px;
    color: #fff;
    max-width: 700px;
}

.hero-caption .label {
    color: rgba(255,255,255,0.65);
    margin-bottom: 1rem;
}

.hero-caption h1 {
    font-size: clamp(2.8rem, 5vw, 5rem);
    font-weight: 300;
    color: #fff;
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
}

.hero-caption p {
    font-size: 1rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 2.5rem;
    letter-spacing: 0.05em;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: #fff;
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    border-bottom: 1px solid rgba(255,255,255,0.5);
    padding-bottom: 4px;
    transition: all var(--transition);
    cursor: pointer;
    background: none;
    border-left: none;
    border-top: none;
    border-right: none;
    font-family: var(--font-sans);
}

.hero-cta:hover {
    color: rgba(255,255,255,0.7);
    gap: 1.25rem;
}

.hero-cta svg {
    transition: transform var(--transition);
}

.hero-cta:hover svg {
    transform: translateX(4px);
}

/* =============================================
   PORTFOLIO
   ============================================= */

.page-header {
    padding: 64px 56px 40px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.page-header h2 {
    font-size: clamp(2rem, 3vw, 3rem);
    font-weight: 300;
}

.page-header .label {
    margin-bottom: 8px;
}

.filter-bar {
    display: flex;
    gap: 0.5rem;
}

.filter-btn {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-secondary);
    background: none;
    border: 1px solid var(--border);
    padding: 8px 16px;
    cursor: pointer;
    transition: all var(--transition);
    border-radius: 2px;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--text);
    color: var(--white);
    border-color: var(--text);
}

/* Masonry-style gallery */
.gallery-grid {
    columns: 3;
    column-gap: 2px;
    padding: 2px;
}

.gallery-item {
    break-inside: avoid;
    position: relative;
    overflow: hidden;
    margin-bottom: 2px;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s var(--ease);
}

.gallery-item:hover img {
    transform: scale(1.03);
}

.gallery-item-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0);
    transition: background var(--transition);
    display: flex;
    align-items: flex-end;
    padding: 24px;
}

.gallery-item:hover .gallery-item-overlay {
    background: rgba(0,0,0,0.35);
}

.gallery-item-info {
    color: #fff;
    transform: translateY(8px);
    opacity: 0;
    transition: all var(--transition);
}

.gallery-item:hover .gallery-item-info {
    transform: translateY(0);
    opacity: 1;
}

.gallery-item-info h3 {
    font-size: 1.1rem;
    font-weight: 300;
    color: #fff;
}

.gallery-item-info span {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.65);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.95);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeView 0.3s ease forwards;
}

.lightbox.open {
    display: flex;
}

.lightbox-inner {
    max-width: 90vw;
    max-height: 90vh;
    position: relative;
}

.lightbox-inner img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
}

.lightbox-caption {
    color: rgba(255,255,255,0.6);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 16px;
    text-align: center;
}

.lightbox-close {
    position: fixed;
    top: 24px;
    right: 32px;
    color: rgba(255,255,255,0.7);
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    transition: color var(--transition);
}

.lightbox-close:hover { color: #fff; }

.lightbox-nav {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: 1px solid rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.7);
    width: 48px;
    height: 48px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-nav:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

/* =============================================
   DOCUMENTARY
   ============================================= */

.doc-grid {
    padding: 48px 56px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 64px 40px;
}

.doc-item {
    cursor: pointer;
}

.doc-item-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/2;
    margin-bottom: 24px;
}

.doc-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s var(--ease);
}

.doc-item:hover .doc-item-image img {
    transform: scale(1.04);
}

.doc-item-image-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0);
    transition: background var(--transition);
}

.doc-item:hover .doc-item-image-overlay {
    background: rgba(0,0,0,0.1);
}

.doc-item-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.doc-item-year {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.doc-item-tag {
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    padding: 3px 8px;
    border-radius: 2px;
}

.doc-item h3 {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 10px;
    transition: color var(--transition);
}

.doc-item:hover h3 {
    color: var(--text-secondary);
}

.doc-item p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.doc-link {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid var(--text);
    padding-bottom: 2px;
    transition: all var(--transition);
}

.doc-link:hover {
    gap: 12px;
}

/* =============================================
   SHOP / PRINT STORE
   ============================================= */

.shop-intro {
    padding: 0 56px 48px;
    max-width: 600px;
}

.shop-intro p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.8;
}

.shop-grid {
    padding: 0 56px 80px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 48px 32px;
}

.shop-item {}

.shop-item-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/5;
    margin-bottom: 20px;
    background: var(--off-white);
}

.shop-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}

.shop-item:hover .shop-item-image img {
    transform: scale(1.04);
}

.shop-item-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: var(--white);
    color: var(--text);
    padding: 4px 10px;
    border-radius: 2px;
}

.shop-item-info {}

.shop-item-info h3 {
    font-size: 1.15rem;
    font-weight: 400;
    margin-bottom: 4px;
}

.shop-item-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.shop-item-meta .edition {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.shop-item-sizes {
    display: flex;
    gap: 6px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.size-option {
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: 1px solid var(--border);
    padding: 5px 10px;
    cursor: pointer;
    transition: all var(--transition);
    border-radius: 2px;
    background: none;
    color: var(--text-secondary);
    font-family: var(--font-sans);
}

.size-option:hover,
.size-option.selected {
    border-color: var(--text);
    color: var(--text);
}

.shop-item-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.shop-price {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--text);
}

.btn-buy {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--text);
    color: var(--white);
    font-family: var(--font-sans);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 12px 22px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    border-radius: 2px;
}

.btn-buy:hover {
    background: #333;
    gap: 14px;
}

.shop-note {
    padding: 0 56px 64px;
    font-size: 0.82rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    padding-top: 32px;
    max-width: 700px;
}

/* =============================================
   CONTACT
   ============================================= */

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: calc(100vh - var(--nav-height));
}

.contact-left {
    padding: 64px 56px;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.contact-left h2 {
    font-size: clamp(2rem, 3vw, 3.2rem);
    font-weight: 300;
    margin-bottom: 24px;
    max-width: 380px;
}

.contact-left p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.8;
    max-width: 360px;
    margin-bottom: 48px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-detail-item .label {
    margin-bottom: 4px;
}

.contact-detail-item a,
.contact-detail-item span {
    font-size: 0.92rem;
    color: var(--text);
}

.contact-social {
    display: flex;
    gap: 1.5rem;
    margin-top: auto;
    padding-top: 48px;
}

.contact-social a {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: color var(--transition);
}

.contact-social a:hover {
    color: var(--text);
}

.contact-right {
    padding: 64px 56px;
    background: var(--off-white);
}

.contact-right h3 {
    font-size: 1.4rem;
    font-weight: 300;
    margin-bottom: 36px;
    color: var(--text);
}

form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.68rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    background: var(--white);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 0.92rem;
    padding: 14px 16px;
    border-radius: 2px;
    transition: border-color var(--transition);
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--text);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    align-self: flex-start;
    background: var(--text);
    color: var(--white);
    font-family: var(--font-sans);
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    padding: 14px 32px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    border-radius: 2px;
}

.btn-submit:hover {
    background: #333;
}

.form-success {
    display: none;
    padding: 20px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 2px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    text-align: center;
}

/* =============================================
   FOOTER
   ============================================= */

.site-footer {
    border-top: 1px solid var(--border);
    padding: 32px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
}

.footer-copy {
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

/* =============================================
   RESPONSIVE
   ============================================= */

@media (max-width: 900px) {
    .navbar {
        padding: 0 24px;
    }

    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-drawer {
        padding: 3rem 24px;
    }

    .hero-caption {
        padding: 40px 24px;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
        padding: 40px 24px 32px;
    }

    .gallery-grid {
        columns: 2;
    }

    .doc-grid {
        padding: 40px 24px;
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .shop-intro,
    .shop-grid {
        padding-left: 24px;
        padding-right: 24px;
    }

    .shop-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px 16px;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }

    .contact-left {
        padding: 40px 24px;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .contact-right {
        padding: 40px 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .site-footer {
        flex-direction: column;
        gap: 12px;
        padding: 24px;
        text-align: center;
    }
}

@media (max-width: 560px) {
    .gallery-grid {
        columns: 1;
    }

    .shop-grid {
        grid-template-columns: 1fr;
    }

    .hero-caption h1 {
        font-size: 2.2rem;
    }
}