/* ===================================
   V2 Portfolio - Light Theme
   =================================== */

/* ===================================
   Loading Screen
   =================================== */
.loading-screen {
    position: fixed;
    inset: 0;
    background: #0A0A0A;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

/* Loading Header */
.loading-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2.5rem;
    width: 100%;
}

.loading-logo {
    display: flex;
    align-items: center;
}

.header-logo {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

.loading-nav {
    display: flex;
    gap: 2.5rem;
}

.loading-nav a {
    font-family: 'Inter', sans-serif;
    font-size: 0.7rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    letter-spacing: 0.1em;
    transition: color 0.2s ease;
}

.loading-nav a:hover {
    color: #FFFFFF;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0 2rem;
}

.loading-progress {
    width: 100%;
    max-width: 400px;
}

.progress-bar {
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: #FFFFFF;
    transition: width 0.1s ease;
}

.loading-info {
    display: flex;
    align-items: baseline;
    justify-content: flex-start;
    gap: 1.5rem;
}

.loading-text {
    font-family: 'Inter', sans-serif;
    font-size: 0.7rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.loading-percent {
    font-family: 'Inter', sans-serif;
    font-size: 2.5rem;
    font-weight: 300;
    color: #FFFFFF;
    letter-spacing: -0.02em;
}

/* Logo Splash Screen */
.logo-splash {
    position: fixed;
    inset: 0;
    background: #000000;
    z-index: 9998;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    visibility: visible;
}

.logo-splash.hidden {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.hidden {
    display: none !important;
}

.splash-logo {
    height: 80px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0;
}

.splash-logo.heartbeat {
    animation: heartbeat 1.2s ease-in-out;
}

@keyframes heartbeat {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }

    15% {
        opacity: 1;
        transform: scale(1.1);
    }

    30% {
        opacity: 0.7;
        transform: scale(0.95);
    }

    45% {
        opacity: 1;
        transform: scale(1.08);
    }

    60% {
        opacity: 0.8;
        transform: scale(1);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===================================
   Cinematic Title Card
   =================================== */
.title-card-overlay {
    position: fixed;
    inset: 0;
    background: #000000;
    z-index: 9997;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.title-card-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.title-card-overlay.fade-out {
    opacity: 0;
    visibility: hidden;
}

.title-card-vignette {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 60% at center, transparent 0%, rgba(0, 0, 0, 0.4) 100%);
    pointer-events: none;
    z-index: 1;
}

.title-card-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 1s ease 0.3s, transform 1s ease 0.3s;
}

.title-card-overlay.visible .title-card-content {
    opacity: 1;
    transform: translateY(0);
}

.title-card-main {
    display: flex;
    align-items: baseline;
    gap: 0.3em;
    line-height: 1;
}

.title-card-prefix {
    font-family: 'Inter', -apple-system, Helvetica Neue, sans-serif;
    font-weight: 700;
    font-size: clamp(22px, 2.5vw, 36px);
    color: #FFFFFF;
    letter-spacing: -0.01em;
    text-transform: lowercase;
}

.title-card-name {
    font-family: 'Dancing Script', cursive;
    font-weight: 700;
    font-size: clamp(42px, 5vw, 72px);
    color: #FFFFFF;
    letter-spacing: -0.01em;
}

.title-card-jp {
    font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic Pro', sans-serif;
    font-weight: 900;
    font-size: clamp(16px, 1.8vw, 26px);
    color: #D42027;
    letter-spacing: 0.06em;
    margin-top: 4px;
}

:root {
    /* Colors - Light Theme */
    --color-bg: #FFFFFF;
    --color-bg-elevated: #F8F8F8;
    --color-bg-card: #F0F0F0;
    --color-text: #0A0A0A;
    --color-text-muted: #666666;
    --color-text-light: #999999;
    --color-border: #E0E0E0;
    --color-accent: #0A0A0A;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;

    /* Sidebar */
    --sidebar-width: 250px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

/* ===================================
   Sidebar
   =================================== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--color-bg);
    border-right: 1px solid var(--color-border);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-header {
    margin-bottom: 2rem;
}

.sidebar-logo {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 0.25rem;
}

.sidebar-tagline {
    font-size: 0.7rem;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
}

.sidebar-nav {
    margin-bottom: 1.5rem;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 0.5rem;
}

.sidebar-menu a {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    color: var(--color-text);
}

.sidebar-divider {
    height: 1px;
    background: var(--color-border);
    margin: 1rem 0;
}

.sidebar-section {
    flex: 1;
    overflow-y: auto;
}

.sidebar-section-title {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
    display: block;
}

.project-list {
    list-style: none;
}

.project-list li {
    margin-bottom: 0.4rem;
}

.project-list a {
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-decoration: none;
    transition: color var(--transition-fast);
    line-height: 1.4;
    display: block;
}

.project-list a:hover,
.project-list a.active {
    color: var(--color-text);
}

/* Sidebar Categories */
.sidebar-category {
    margin-bottom: 0.75rem;
}

.category-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.25rem 0;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-family);
}

.category-name {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.category-toggle:hover .category-name {
    color: var(--color-text);
}

.category-arrow {
    font-size: 0.9rem;
    color: var(--color-text-light);
    transition: transform var(--transition-fast);
}

.category-toggle.open .category-arrow {
    transform: rotate(90deg);
}

.category-list {
    list-style: none;
    padding-left: 0.75rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease;
    opacity: 0;
}

.category-list.open {
    max-height: 200px;
    opacity: 1;
    margin-top: 0.25rem;
}

.category-list li {
    margin-bottom: 0.35rem;
}

.category-list a {
    font-size: 0.7rem;
    color: var(--color-text-light);
    text-decoration: none;
    transition: color var(--transition-fast);
    display: block;
}

.category-list a:hover,
.category-list a.active {
    color: var(--color-text);
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 1rem;
}

.sidebar-logo-footer {
    display: flex;
    justify-content: flex-start;
}

.footer-logo {
    width: 50px;
    height: auto;
    opacity: 0.9;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.footer-logo:hover {
    opacity: 1;
    transform: scale(1.05);
}

/* ===================================
   Main Content
   =================================== */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 3rem 4rem;
    max-width: 1000px;
}

.section {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--color-border);
}

.section:last-of-type {
    border-bottom: none;
}

.section-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.section-header {
    margin-bottom: var(--spacing-xl);
}

.highlight {
    color: var(--color-text);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: rgba(0, 0, 0, 0.1);
    z-index: -1;
}

/* ===================================
   About Section
   =================================== */
.section.about-section {
    position: relative;
}

.section.about-section::before {
    content: '';
    position: absolute;
    top: -3rem;
    bottom: 0;
    left: calc(-1 * (var(--sidebar-width) + 4rem));
    right: -4rem;
    background-color: #FFFFFF;
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
    background-size: 18px 18px;
    z-index: -1;
}

.about-content {
    max-width: 600px;
}

.about-text {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.about-text.lead {
    font-size: 1.25rem;
    color: var(--color-text);
    font-weight: 500;
}

.about-meta {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.meta-label {
    font-size: 0.65rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.meta-value {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
}

/* ===================================
   Project Case Study
   =================================== */
.project-case {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.project-case:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: var(--spacing-md);
}

.project-header {
    margin-bottom: var(--spacing-lg);
}

.project-category-tag {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 600;
    color: var(--color-text-light);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    background: var(--color-bg-card);
    padding: 0.25rem 0.5rem;
    border-radius: 2px;
    margin-bottom: 0.5rem;
}

.project-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.project-description {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    max-width: 600px;
    margin-bottom: 0.5rem;
}

.project-link {
    font-size: 0.8rem;
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: opacity var(--transition-fast);
}

.project-link:hover {
    opacity: 0.6;
}

/* Media */
.project-media {
    margin-bottom: var(--spacing-md);
}

.project-video {
    width: 100%;
    max-width: 100%;
    border-radius: 8px;
    display: block;
}

.media-item {
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-bg-card);
    position: relative;
}

/* ===================================
   Thumbnail Hover Label
   =================================== */
.media-item[data-label]::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 55%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0.08) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 2;
    pointer-events: none;
    border-radius: 0 0 8px 8px;
}

.media-item[data-label]::after {
    content: attr(data-label);
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    font-family: var(--font-family);
    font-size: 0.55rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    text-shadow:
        0 0 8px rgba(0, 0, 0, 0.5),
        0 1px 3px rgba(0, 0, 0, 0.4);
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.5s ease, transform 0.5s ease, color 0.5s ease;
    z-index: 3;
    pointer-events: none;
    line-height: 1;
}

.media-item[data-label]:hover::before {
    opacity: 1;
}

.media-item[data-label]:hover::after {
    opacity: 1;
    transform: translateY(0);
    color: rgba(255, 255, 255, 0.95);
}

.media-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(145deg, #e8e8e8 0%, #d0d0d0 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.media-placeholder span {
    font-size: 2rem;
    font-weight: 700;
    color: rgba(0, 0, 0, 0.08);
}

.video-placeholder {
    background: linear-gradient(145deg, #1a1a2e 0%, #16213e 100%);
}

.video-placeholder span,
.video-placeholder .media-label {
    color: rgba(255, 255, 255, 0.3);
}

.play-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    backdrop-filter: blur(10px);
}

.media-label {
    font-size: 0.8rem;
    font-weight: 400;
}

/* Gallery Layouts */
.gallery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

.gallery-grid .media-item.media-tall {
    grid-row: span 2;
}

.gallery-grid .media-item.media-tall .media-placeholder {
    aspect-ratio: 9/16;
    height: 100%;
}

.gallery-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.gallery-row .media-item img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: 8px;
    display: block;
}

/* Gallery Row Hover Effect */
.gallery-row {
    overflow: hidden;
    position: relative;
}

.gallery-row .media-item {
    transition: transform 0.4s ease-out, box-shadow 0.4s ease-out, filter 0.4s ease-out, opacity 0.4s ease-out;
    cursor: pointer;
}

.gallery-row:hover .media-item {
    filter: blur(3px);
    opacity: 0.5;
}

.gallery-row .media-item:hover {
    transform: scale(1.30);
    z-index: 10;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
    filter: blur(0);
    opacity: 1;
}

/* Ensure hover label stays visible during gallery-row zoom */
.gallery-row .media-item[data-label] img {
    position: relative;
    z-index: 1;
}

.gallery-row .media-item[data-label]::before,
.gallery-row .media-item[data-label]::after {
    z-index: 4;
}

/* Video Carousel */
.video-carousel {
    position: relative;
    width: 100%;
    border-radius: 8px;
}

.carousel-track {
    position: relative;
    width: 100%;
}

.carousel-slide {
    display: none;
    width: 100%;
}

.carousel-slide.active {
    display: block;
}

.carousel-slide video {
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: 8px;
    display: block;
}

.carousel-slide .media-placeholder {
    aspect-ratio: 16/9;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.25rem 0;
}

.carousel-dot {
    width: 6px;
    height: 6px;
    border-radius: 3px;
    border: none;
    background: rgba(0, 0, 0, 0.18);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
}

.carousel-dot:hover {
    background: rgba(0, 0, 0, 0.35);
}

.carousel-dot.active {
    background: rgba(0, 0, 0, 0.7);
    width: 18px;
    transform: none;
}

/* Carousel Arrows */
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.7);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    color: rgba(0, 0, 0, 0.5);
    font-size: 0.85rem;
    font-weight: 300;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    z-index: 5;
    line-height: 1;
}

.video-carousel:hover .carousel-arrow {
    opacity: 1;
}

.carousel-arrow:hover {
    background: rgba(255, 255, 255, 0.92);
    color: rgba(0, 0, 0, 0.85);
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.1);
}

.carousel-prev {
    left: 0.75rem;
}

.carousel-next {
    right: 0.75rem;
}

/* Carousel Slide Hover Effects */
.carousel-slide {
    min-width: 100%;
    opacity: 0;
    transition: opacity 0.4s ease-out;
    position: absolute;
    top: 0;
    left: 0;
}

.carousel-slide.active {
    opacity: 1;
    position: relative;
}

/* Puma Masonry Layout */
.puma-masonry {
    display: grid;
    grid-template-columns: 1fr 1.2fr 1fr;
    gap: 1rem;
}

.puma-col {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.puma-col-left .media-item.landscape .media-placeholder,
.puma-col-right .media-item.landscape .media-placeholder {
    aspect-ratio: 16/10;
}

.puma-col-center {
    display: flex;
}

.puma-col-center .media-item.portrait-tall {
    flex: 1;
}

.puma-col-center .media-item.portrait-tall .media-placeholder {
    aspect-ratio: auto;
    height: 100%;
}

/* Puma Hover Effect */
.puma-masonry .media-item {
    transition: transform 0.4s ease-out, box-shadow 0.4s ease-out, filter 0.4s ease-out, opacity 0.4s ease-out;
    cursor: pointer;
}

/* Blur siblings when hovering over grid */
.puma-masonry:hover .media-item {
    filter: blur(3px);
    opacity: 0.5;
}

/* Hovered item stays clear and lifts slightly */
.puma-masonry .media-item:hover {
    transform: scale(1.30);
    z-index: 10;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
    filter: blur(0);
    opacity: 1;
}

/* Puma Images */
.puma-masonry .media-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.puma-col-left .media-item.landscape,
.puma-col-right .media-item.landscape {
    aspect-ratio: 16/10;
}

.puma-col-center .media-item.portrait-tall {
    height: 100%;
}

.puma-col-center .media-item.portrait-tall img {
    height: 100%;
}

/* Puma Custom Grid Layout */
.puma-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.puma-row {
    display: flex;
    gap: 1rem;
}

/* Row 1: Three equal columns */
.puma-row-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.puma-row-3 .media-item .media-placeholder {
    aspect-ratio: 4/5;
}

/* Single full-width row */
.puma-row-single {
    width: 100%;
}

.puma-full {
    width: 100%;
}

.puma-full .media-placeholder {
    aspect-ratio: 16/9;
}

/* Row 2: Complex grid - 4 small left, 1 large right */
.puma-row-complex {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 1rem;
    min-height: 300px;
}

.puma-left-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 0.5rem;
}

.puma-left-grid .media-item .media-placeholder {
    aspect-ratio: 1/1;
}

.puma-large .media-placeholder {
    aspect-ratio: auto;
    height: 100%;
}

/* Row 3: Complex alt - 2 tall left, 4 small right */
.puma-row-complex-alt {
    display: grid;
    grid-template-columns: 1fr 1fr 1.5fr;
    gap: 1rem;
    min-height: 300px;
}

.puma-row-complex-alt>.media-item.small .media-placeholder {
    aspect-ratio: auto;
    height: 100%;
}

.puma-right-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 0.5rem;
}

.puma-right-grid .media-item .media-placeholder {
    aspect-ratio: 1/1;
}

/* Row 4: Three tall portrait items */
.puma-row-3-tall {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.puma-row-3-tall .media-item.tall .media-placeholder {
    aspect-ratio: 3/4;
}

/* ===================================
   Process Section
   =================================== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.process-step {
    padding: var(--spacing-md) 0;
}

.step-number {
    font-size: 2rem;
    font-weight: 800;
    color: rgba(0, 0, 0, 0.08);
    display: block;
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.step-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.step-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ===================================
   Partners Section
   =================================== */
.partners-section {
    text-align: center;
}

.partners-header {
    margin-bottom: var(--spacing-xl);
}

.partners-tagline {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-text);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.4;
}

.partners-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.partner-logo {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
    transition: color var(--transition-fast);
    cursor: pointer;
}

.partner-logo:hover {
    color: var(--color-text);
}

.partner-logo-img {
    width: 100px;
    height: 36px;
    object-fit: contain;
    object-position: center;
    opacity: 0.45;
    transition: opacity 0.3s ease;
    cursor: pointer;
    filter: grayscale(100%);
}

.partner-logo-img:hover {
    opacity: 0.85;
    filter: grayscale(0%);
}

.partners-logos-row {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem 3rem;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
}

/* ===================================
   Contact Section
   =================================== */
.section.contact-section {
    position: relative;
    border-bottom: none;
}

.section.contact-section::before {
    content: '';
    position: absolute;
    top: -3rem;
    bottom: -10rem;
    left: -4rem;
    right: -4rem;
    background-color: #005C43;
    z-index: -1;
}

.section.contact-section .section-label {
    color: rgba(255, 255, 255, 0.5);
}

.section.contact-section .section-title {
    color: #FFFFFF;
}

.contact-content {
    max-width: 500px;
}

.contact-description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.contact-email {
    display: inline-block;
    font-size: 1.1rem;
    font-weight: 500;
    color: #FFFFFF;
    text-decoration: none;
    margin-bottom: var(--spacing-xl);
    transition: opacity var(--transition-fast);
}

.contact-email:hover {
    opacity: 0.6;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-status {
    display: none;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    padding: 0.75rem 0;
    line-height: 1.5;
}

.form-status.success {
    color: #86efac;
}

.form-status.error {
    color: #fca5a5;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 0.65rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    color: #FFFFFF;
    font-family: var(--font-family);
    font-size: 0.9rem;
    transition: border-color var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.6);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-decoration: none;
    border: 1px solid #FFFFFF;
    transition: all var(--transition-fast);
    cursor: pointer;
    font-family: var(--font-family);
    background: #FFFFFF;
    color: #005C43;
}

.btn:hover {
    background: transparent;
    color: #FFFFFF;
}

/* ===================================
   Footer
   =================================== */
.footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    margin-top: var(--spacing-xl);
}

.footer p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ===================================
   Responsive
   =================================== */
/* ===================================
   Mobile Menu Toggle
   =================================== */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 1.25rem;
    left: 1.25rem;
    z-index: 200;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 0;
}

.mobile-menu-toggle span {
    display: block;
    width: 18px;
    height: 1.5px;
    background: var(--color-text);
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4.5px, 4.5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4.5px, -4.5px);
}

/* Mobile overlay backdrop */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 99;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* ===================================
   Responsive — Tablet (< 968px)
   =================================== */
@media (max-width: 968px) {
    .sidebar {
        width: 200px;
    }

    .main-content {
        margin-left: 200px;
        padding: 2rem;
    }

    .about-meta {
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }

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

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

    .puma-masonry {
        grid-template-columns: 1fr 1fr;
    }

    .puma-col-center {
        grid-column: span 2;
    }
}

/* ===================================
   Responsive — Phone (< 768px)
   =================================== */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 260px;
    }

    /* Prevent horizontal overflow */
    html,
    body {
        overflow-x: hidden;
    }

    /* Show hamburger — solid light bg, no blur for scroll perf */
    .mobile-menu-toggle {
        display: flex;
        background: rgba(255, 255, 255, 0.95);
        border: 1px solid rgba(0, 0, 0, 0.08);
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    }

    /* Sidebar becomes slide-in drawer */
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: var(--sidebar-width);
        transform: translateX(-100%);
        -webkit-transform: translateX(-100%);
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        border-right: 1px solid var(--color-border);
        z-index: 150;
        padding-top: 4rem;
        overflow-y: auto;
        overscroll-behavior: contain;
    }

    /* Fade hint at bottom of sidebar to show more content */
    .sidebar::after {
        content: '';
        position: sticky;
        bottom: 0;
        left: 0;
        right: 0;
        height: 2.5rem;
        background: linear-gradient(to top, var(--color-bg, #fff) 0%, transparent 100%);
        pointer-events: none;
        display: block;
        flex-shrink: 0;
    }

    .sidebar.mobile-open {
        transform: translateX(0);
        -webkit-transform: translateX(0);
    }

    .sidebar-section {
        display: block;
    }

    .sidebar-menu a,
    .category-list a {
        padding: 0.25rem 0;
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    /* Main content — full width, clear hamburger */
    .main-content {
        margin-left: 0;
        padding: 4.5rem 1.25rem 2rem;
        padding-top: calc(4.5rem + env(safe-area-inset-top, 0px));
        padding-left: calc(1.25rem + env(safe-area-inset-left, 0px));
        padding-right: calc(1.25rem + env(safe-area-inset-right, 0px));
        max-width: 100%;
    }

    /* Typography — scaled for mobile readability */
    .about-title {
        font-size: 1.75rem;
        line-height: 1.2;
        margin-bottom: 0.75rem;
    }

    .about-lead {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .about-text {
        font-size: 0.85rem;
        line-height: 1.65;
    }

    .section-label {
        font-size: 0.6rem;
        letter-spacing: 0.2em;
    }

    .section-title {
        font-size: 1.4rem;
        line-height: 1.25;
    }

    .project-name {
        font-size: 1.05rem;
        line-height: 1.3;
    }

    .project-category-tag {
        font-size: 0.55rem;
        margin-bottom: 0.35rem;
    }

    .project-description {
        font-size: 0.82rem;
        line-height: 1.6;
    }

    /* About meta — horizontal row */
    .about-meta {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1.5rem;
    }

    .meta-label {
        font-size: 0.55rem;
    }

    .meta-value {
        font-size: 0.8rem;
    }

    /* Section spacing — tight, consistent rhythm */
    .section {
        margin-bottom: 2.5rem;
        padding-bottom: 2.5rem;
    }

    .project-case {
        margin-bottom: 2rem;
        padding-bottom: 1.5rem;
    }

    .project-case:last-child {
        margin-bottom: 0;
        padding-bottom: 1rem;
    }

    .project-header {
        margin-bottom: 1rem;
    }

    /* Videos — rounded corners, contained */
    .media-item video,
    .media-item.media-featured video {
        border-radius: 6px;
    }

    /* Form — single column */
    .form-row {
        grid-template-columns: 1fr;
    }

    .form-group input,
    .form-group textarea {
        font-size: 16px;
        /* prevents iOS zoom */
        padding: 0.875rem;
    }

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

    .btn {
        width: 100%;
        padding: 1rem;
        font-size: 0.7rem;
        min-height: 48px;
    }

    /* Gallery — single column */
    .gallery-grid,
    .gallery-row {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    /* Disable gallery-row hover zoom/blur on mobile — prevents tap-triggered overflow */
    .gallery-row:hover .media-item {
        filter: none;
        opacity: 1;
    }

    .gallery-row .media-item:hover {
        transform: none;
        z-index: auto;
        box-shadow: none;
        filter: none;
        opacity: 1;
    }

    .gallery-grid .media-item.media-tall .media-placeholder {
        aspect-ratio: 16/9;
    }

    /* Tour Issue masonry — stacked */
    .puma-masonry {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .puma-col {
        gap: 0.5rem;
    }

    .puma-col-center {
        grid-column: auto;
    }

    .puma-col-center .media-item.portrait-tall {
        max-height: 70vh;
    }

    .puma-col-center .media-item.portrait-tall img {
        max-height: 70vh;
        object-fit: cover;
        border-radius: 4px;
    }

    .puma-masonry .media-item img {
        border-radius: 4px;
    }

    /* Video carousel — always visible on mobile, compact */
    .carousel-arrow {
        width: 22px;
        height: 22px;
        font-size: 0.6rem;
        opacity: 0.7;
        min-height: 36px;
        min-width: 36px;
        background-clip: content-box;
        padding: 7px;
    }

    .carousel-dot {
        width: 5px;
        height: 5px;
        min-height: 30px;
        min-width: 30px;
        background-clip: content-box;
        padding: 12px;
    }

    .carousel-dot.active {
        width: 14px;
        padding: 12px 8px;
    }

    .carousel-dots {
        gap: 0;
        margin-top: 0.5rem;
    }

    /* Partners */
    .partners-logos-row {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1.25rem 1.5rem;
    }

    .partner-logo-img {
        width: 80px;
        height: 28px;
        filter: none;
        opacity: 0.5;
    }

    /* Process grid */
    .process-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .process-step {
        padding: 1.25rem;
        border: 1px solid var(--color-border);
        border-radius: 6px;
    }

    .step-number {
        font-size: 1.5rem;
    }

    /* Footer */
    .footer {
        padding: 1.5rem 1.25rem;
        padding-bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px));
    }

    .footer p {
        font-size: 0.7rem;
    }

    /* Contact section */
    .contact-section {
        padding: 1.5rem 0;
    }

    .contact-title {
        font-size: 1.5rem;
    }

    .contact-email {
        font-size: 0.85rem;
        word-break: break-all;
    }

    /* Touch labels — always visible on mobile since no hover */
    .media-item[data-label]::after {
        font-size: 0.5rem;
        bottom: 0.75rem;
        right: 0.75rem;
        opacity: 1;
        color: rgba(255, 255, 255, 0.85);
        transform: translateY(0);
    }

    .media-item[data-dynamic-label]::after {
        opacity: 1;
        color: rgba(255, 255, 255, 0.85);
        transform: translateY(0);
    }

    /* Smooth scroll for iOS */
    .main-content {
        -webkit-overflow-scrolling: touch;
    }
}

/* ===================================
   Responsive — Small Phone (< 480px)
   =================================== */
@media (max-width: 480px) {
    .main-content {
        padding: 3.25rem 1rem 1.5rem;
    }

    .about-title {
        font-size: 1.5rem;
    }

    .about-lead {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.25rem;
    }

    .project-name {
        font-size: 1rem;
    }

    .about-meta {
        gap: 1rem;
    }

    .meta-value {
        font-size: 0.75rem;
    }

    .partners-logos-row {
        gap: 1rem;
    }

    .partner-logo-img {
        width: 70px;
        height: 24px;
    }

    .carousel-arrow {
        width: 20px;
        height: 20px;
        font-size: 0.55rem;
    }

    .partner-logo-img {
        filter: none;
        opacity: 0.5;
    }
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}