/* ===================================
   Ultra-Premium Brand Site - papperskorg
   Cinematic, Editorial, Luxury
   =================================== */

/* ===================================
   Reset & Foundation
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Ultra-Premium Color Palette */
    --color-primary: #0f0f0f;
    --color-secondary: #6a6a6a;
    --color-accent: #a89b8c;
    --color-bg: #fefefe;
    --color-white: #ffffff;
    --color-beige: #f5f1ed;
    --color-light: #fafaf9;
    --color-dark: #050505;

    /* Typography - Editorial Style */
    --font-display: 'SF Pro Display', -apple-system, 'Helvetica Neue', 'Hiragino Kaku Gothic ProN', sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.75;
    --font-weight-base: 400;

    /* Letter Spacing - Ultra Wide for Luxury */
    --letter-spacing-ultra: 0.25em;
    --letter-spacing-wide: 0.12em;
    --letter-spacing-normal: 0.03em;
    --letter-spacing-tight: -0.03em;

    /* Spacing - Generous & Breathable */
    --spacing-section: clamp(6rem, 15vw, 12rem);
    --spacing-xl: clamp(4rem, 10vw, 8rem);
    --spacing-lg: clamp(3rem, 8vw, 6rem);
    --spacing-md: clamp(2rem, 5vw, 4rem);
    --spacing-sm: clamp(1rem, 3vw, 2rem);
    --spacing-xs: clamp(0.5rem, 1.5vw, 1rem);

    /* Transitions - Cinematic */
    --ease-out: cubic-bezier(0.19, 1, 0.22, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --transition-slow: 1.2s var(--ease-out);
    --transition-base: 0.8s var(--ease-out);
    --transition-fast: 0.4s var(--ease-out);

    /* Shadows - Subtle & Refined */
    --shadow-subtle: 0 2px 20px rgba(0, 0, 0, 0.04);
    --shadow-soft: 0 8px 40px rgba(0, 0, 0, 0.06);
    --shadow-strong: 0 20px 80px rgba(0, 0, 0, 0.15);

    /* Effects */
    --blur-glass: blur(30px) saturate(180%);
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-body);
    line-height: var(--line-height-base);
    color: var(--color-primary);
    background-color: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

/* ===================================
   Layout Containers
   =================================== */
.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 clamp(2rem, 6vw, 5rem);
}

.container-wide {
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 clamp(2rem, 6vw, 5rem);
}

/* ===================================
   Header - Glassmorphism Premium
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.2) 50%, transparent 100%);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    transition: var(--transition-base);
}

.header.scrolled {
    background: rgba(254, 254, 254, 0.7);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo a {
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-white);
    text-transform: lowercase;
    font-family: var(--font-display);
    transition: var(--transition-fast);
}

.header.scrolled .logo a {
    color: var(--color-primary);
}

.logo a:hover {
    letter-spacing: 0.18em;
}

.nav ul {
    display: flex;
    align-items: center;
    gap: clamp(2rem, 4vw, 4rem);
}

.nav a {
    font-size: 0.8rem;
    letter-spacing: var(--letter-spacing-normal);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    position: relative;
    text-transform: capitalize;
}

.header.scrolled .nav a {
    color: var(--color-secondary);
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 30px;
    height: 1px;
    background-color: var(--color-white);
    transition: transform var(--transition-fast);
}

.header.scrolled .nav a::after {
    background-color: var(--color-primary);
}

.nav a:hover {
    color: var(--color-white);
}

.header.scrolled .nav a:hover {
    color: var(--color-primary);
}

.nav a:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.nav-btn {
    padding: 8px 20px;
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    border-radius: 4px;
    transition: all var(--transition-fast);
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.header.scrolled .nav-btn {
    background-color: var(--color-primary);
    color: var(--color-white) !important;
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: var(--color-accent);
    transition: width var(--transition-fast);
    z-index: -1;
    border-radius: 4px;
}

.nav-btn::after {
    display: none;
}

.nav-btn:hover {
    color: var(--color-white) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-btn:hover::before {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 7px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 26px;
    height: 1px;
    background-color: var(--color-white);
    transition: var(--transition-fast);
}

.header.scrolled .menu-toggle span {
    background-color: var(--color-primary);
}

/* ===================================
   Hero - Cinematic & Dramatic
   =================================== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 2s var(--ease-out);
}

.hero-slide.active {
    opacity: 1;
}

.hero-content {
    position: absolute;
    z-index: 10;
    bottom: var(--spacing-xl);
    left: 0;
    padding: 0 clamp(2rem, 6vw, 5rem);
    max-width: 600px;
}

.hero-title {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 300;
    line-height: 1.6;
    color: var(--color-white);
    letter-spacing: 0.12em;
    font-family: var(--font-display);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    text-align: left;
}

.title-line {
    display: block;
    opacity: 0;
    animation: heroFadeIn 2s var(--ease-out) forwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.3s;
}

.title-line:nth-child(2) {
    animation-delay: 0.6s;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.75rem;
    letter-spacing: var(--letter-spacing-ultra);
    text-transform: uppercase;
    font-weight: 400;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    animation: scrollFade 3s ease-in-out infinite;
}

.scroll-line {
    width: 2px;
    height: 80px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.8), transparent);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
    animation: scrollPulse 2.5s ease-in-out infinite;
}

@keyframes scrollFade {
    0%, 100% {
        opacity: 0.7;
    }
    50% {
        opacity: 1;
    }
}

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(80px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0;
        transform: translateY(-15px);
    }
    50% {
        opacity: 1;
        transform: translateY(15px);
    }
}

/* ===================================
   Section Common - Editorial Layout
   =================================== */
section {
    padding: var(--spacing-section) 0;
}

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

.section-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 200;
    line-height: 1.25;
    color: var(--color-primary);
    letter-spacing: 0.08em;
    font-family: var(--font-display);
}

/* ===================================
   News Section
   =================================== */
.news {
    background-color: var(--color-white);
}

.news-grid {
    display: grid;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.news-item {
    display: block;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    transition: var(--transition-base);
    text-decoration: none;
    color: inherit;
}

.news-item:hover {
    transform: translateX(8px);
}

a.news-item {
    cursor: pointer;
}

.news-date {
    display: block;
    font-size: 0.75rem;
    color: var(--color-accent);
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
    font-weight: 400;
}

.news-title {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    font-weight: 400;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
    font-family: var(--font-display);
}

.news-excerpt {
    color: var(--color-secondary);
    line-height: 1.8;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.news-link {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--color-primary);
    font-weight: 400;
    letter-spacing: 0.05em;
    transition: var(--transition-fast);
    margin-top: var(--spacing-xs);
}

.news-link:hover {
    color: var(--color-accent);
    transform: translateX(4px);
}

/* ===================================
   Video Gallery Section
   =================================== */
.video-gallery {
    background-color: var(--color-beige);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 769px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.video-item {
    overflow: hidden;
    background-color: var(--color-white);
    box-shadow: var(--shadow-subtle);
    transition: var(--transition-base);
}

.video-item:hover {
    box-shadow: var(--shadow-soft);
    transform: translateY(-8px);
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 177.78%; /* 9:16 aspect ratio for YouTube Shorts */
    background-color: #000;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Concept - Editorial Grid
   =================================== */
.concept {
    background-color: var(--color-white);
}

.concept-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.concept-item {
    display: grid;
    grid-template-columns: 5fr 4fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.concept-item:nth-child(even) {
    grid-template-columns: 4fr 5fr;
    direction: rtl;
}

.concept-item:nth-child(even) > * {
    direction: ltr;
}

.concept-image {
    width: 100%;
    overflow: hidden;
    aspect-ratio: 5 / 4;
    background-color: var(--color-light);
}

.concept-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
    filter: grayscale(30%);
}

.concept-item:hover .concept-image img {
    transform: scale(1.08);
    filter: grayscale(0%);
}

.concept-content h3 {
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    letter-spacing: var(--letter-spacing-tight);
    line-height: 1.4;
    font-family: var(--font-display);
}

.concept-content p {
    color: var(--color-secondary);
    line-height: 2;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
}

.brand-message {
    margin-top: var(--spacing-section);
    padding: var(--spacing-xl);
    background-color: var(--color-light);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.brand-message-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 400;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
    letter-spacing: var(--letter-spacing-normal);
    font-family: var(--font-display);
    text-align: center;
}

.brand-message-content p {
    color: var(--color-secondary);
    line-height: 2.2;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    margin-bottom: var(--spacing-md);
}

.brand-message-content p:last-child {
    margin-bottom: 0;
}

.brand-message-signature {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 400;
    text-align: right;
    letter-spacing: 0.05em;
}

/* ===================================
   Products - Premium Grid
   =================================== */
.products {
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-light) 100%);
    position: relative;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.03) 0%, transparent 100%);
    pointer-events: none;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
}

.product-card {
    background-color: var(--color-white);
    overflow: hidden;
    transition: var(--transition-base);
    display: block;
}

.product-card:hover {
    transform: translateY(-8px);
}

.product-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    background-color: var(--color-beige);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
    filter: grayscale(20%);
}

.product-image.tissue-box img {
    object-position: center bottom;
}

.product-badge-new {
    position: absolute;
    top: 16px;
    right: 16px;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
    z-index: 10;
    border-radius: 2px;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

.product-info {
    padding: var(--spacing-md);
    text-align: center;
}

.product-name {
    font-size: 1.15rem;
    font-weight: 300;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
    letter-spacing: var(--letter-spacing-normal);
    font-family: var(--font-display);
}

.product-name a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.product-name a:hover {
    color: var(--color-accent);
}

.product-description {
    color: var(--color-secondary);
    font-size: 0.85rem;
    line-height: 1.8;
    font-weight: 300;
}

.products-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.btn-view-all {
    display: inline-block;
    padding: 1.2rem 3rem;
    background-color: transparent;
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid var(--color-primary);
    transition: var(--transition-base);
    font-family: var(--font-display);
}

.btn-view-all:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* ===================================
   Gallery - Masonry Premium
   =================================== */
.gallery {
    background-color: var(--color-beige);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: clamp(1.5rem, 3vw, 2.5rem);
}

.gallery-item {
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-base);
    aspect-ratio: 3 / 4;
    background-color: var(--color-white);
    box-shadow: var(--shadow-subtle);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
    filter: grayscale(30%);
}

.gallery-item:hover {
    box-shadow: var(--shadow-soft);
    transform: translateY(-8px);
}

.gallery-item:hover img {
    transform: scale(1.15);
    filter: grayscale(0%);
}

/* ===================================
   Footer - Luxury Minimalism
   =================================== */
.footer {
    background-color: var(--color-dark);
    color: rgba(255, 255, 255, 0.6);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: var(--letter-spacing-wide);
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
    text-transform: lowercase;
    font-family: var(--font-display);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
    line-height: 1.9;
    font-weight: 300;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-column h4 {
    font-size: 0.7rem;
    font-weight: 300;
    margin-bottom: var(--spacing-sm);
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.3);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
    font-weight: 300;
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-white);
    letter-spacing: 0.02em;
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.25);
    font-size: 0.7rem;
    letter-spacing: var(--letter-spacing-normal);
    font-weight: 300;
}

/* ===================================
   Products Page Specific
   =================================== */
.page-hero {
    padding: calc(var(--spacing-xl) + 90px) 0 var(--spacing-xl);
    background: radial-gradient(ellipse at top, var(--color-light) 0%, var(--color-beige) 100%);
    text-align: center;
}

.page-title {
    font-size: clamp(3.5rem, 8vw, 6rem);
    font-weight: 200;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    letter-spacing: 0.08em;
    font-family: var(--font-display);
}

.page-subtitle {
    font-size: clamp(0.95rem, 1.8vw, 1.2rem);
    color: var(--color-secondary);
    font-weight: 300;
    letter-spacing: var(--letter-spacing-normal);
}

.product-categories {
    padding: var(--spacing-xl) 0;
}

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

.category-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.category-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 200;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    letter-spacing: 0.08em;
    font-family: var(--font-display);
}

.category-title-ja {
    display: block;
    font-size: clamp(1rem, 2vw, 1.2rem);
    font-weight: 300;
    margin-top: var(--spacing-xs);
    color: var(--color-secondary);
    letter-spacing: 0.05em;
}

.category-description {
    font-size: 0.95rem;
    color: var(--color-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 2;
    font-weight: 300;
}

.cta-section {
    padding: var(--spacing-xl) 0;
    background: radial-gradient(ellipse at center, var(--color-light) 0%, var(--color-beige) 100%);
    text-align: center;
}

.cta-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 200;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    letter-spacing: var(--letter-spacing-tight);
    font-family: var(--font-display);
}

.cta-description {
    font-size: 1rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 2;
    font-weight: 300;
}

/* ===================================
   News Article Page
   =================================== */
.news-article {
    padding: calc(var(--spacing-xl) + 90px) 0 var(--spacing-xl);
    background-color: var(--color-white);
}

.news-article-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.news-article-date {
    display: block;
    font-size: 0.75rem;
    color: var(--color-accent);
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
}

.news-article-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-primary);
    letter-spacing: var(--letter-spacing-normal);
    font-family: var(--font-display);
}

.news-article-content {
    max-width: 900px;
    margin: 0 auto;
}

.news-article-image {
    width: 100%;
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    background-color: var(--color-light);
}

.news-article-image img {
    width: 100%;
    height: auto;
    display: block;
}

.news-article-body {
    color: var(--color-primary);
    line-height: 2;
    font-size: 1rem;
}

.news-article-body p {
    margin-bottom: var(--spacing-md);
}

.news-article-body h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 400;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    letter-spacing: var(--letter-spacing-normal);
    font-family: var(--font-display);
}

.event-info {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--color-light);
    border-radius: 4px;
}

.event-info h2 {
    margin-top: 0;
}

.event-info dl {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.event-info dt {
    font-weight: 400;
    color: var(--color-secondary);
    font-size: 0.9rem;
}

.event-info dd {
    color: var(--color-primary);
}

.event-info a {
    color: var(--color-primary);
    text-decoration: underline;
    transition: var(--transition-fast);
}

.event-info a:hover {
    color: var(--color-accent);
}

.news-article-actions {
    margin-top: var(--spacing-xl);
    text-align: center;
}

@media (max-width: 768px) {
    .event-info dl {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }

    .event-info dt {
        font-weight: 600;
        margin-top: var(--spacing-sm);
    }

    .event-info dt:first-child {
        margin-top: 0;
    }
}

/* ===================================
   Reveal Animations
   =================================== */
.fade-in {
    opacity: 0;
    animation: fadeIn 1.4s var(--ease-out) forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.reveal {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 1.4s var(--ease-out),
                transform 1.4s var(--ease-out);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   Responsive - Mobile Excellence
   =================================== */
@media (max-width: 1024px) {
    .concept-item,
    .concept-item:nth-child(even) {
        grid-template-columns: 1fr;
        direction: ltr;
        gap: var(--spacing-md);
    }

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

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-section: clamp(4rem, 10vw, 8rem);
        --spacing-xl: clamp(3rem, 8vw, 6rem);
    }

    .header .container {
        height: 75px;
    }

    .nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .scroll-indicator {
        left: auto;
        right: var(--spacing-md);
        transform: none;
    }

    .nav.active {
        display: block;
        position: fixed;
        top: 75px;
        left: 0;
        right: 0;
        bottom: 0;
        height: calc(100vh - 75px);
        background-color: rgba(254, 254, 254, 0.98);
        backdrop-filter: var(--blur-glass);
        padding: var(--spacing-lg) var(--spacing-md);
        box-shadow: var(--shadow-soft);
        z-index: 999;
        overflow-y: auto;
    }

    .nav.active ul {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .nav.active a {
        color: var(--color-primary);
        font-size: 1rem;
        padding: var(--spacing-xs) 0;
        display: block;
    }

    .nav.active a::after {
        background-color: var(--color-primary);
    }

    .nav.active .nav-btn {
        display: inline-block;
        margin-top: var(--spacing-sm);
        padding: 12px 32px;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 1.2rem;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

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