/* Artizen Shop V3 - Sushiman Inspired */

:root {
    /* Colors - Sushiman Style */
    --color-red: #B85D5C;
    --color-red-dark: #A64444;
    --color-beige: #F5EBD7;
    --color-beige-dark: #E8D9C3;
    --color-white: #FFFFFF;
    --color-black: #1a1a1a;
    --color-text: #2d2d2d;
    --color-text-light: #666666;

    /* Typography */
    --font-serif: 'Playfair Display', 'Noto Serif JP', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-japanese: 'Noto Serif JP', serif;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Radius */
    --radius: 12px;
    --radius-lg: 20px;
    --radius-pill: 100px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
    --shadow-float: 0 12px 40px rgba(0,0,0,0.2);

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    font-size: 16px;
    overflow-x: hidden;
}

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-split {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.container-split.reverse {
    direction: rtl;
}

.container-split.reverse > * {
    direction: ltr;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    background: var(--color-white);
    border-bottom: 1px solid #f0f0f0;
    z-index: 100;
    padding: var(--space-4) 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-red);
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: var(--space-8);
}

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    transition: var(--transition);
}

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

.btn-nav {
    padding: var(--space-2) var(--space-6);
    background: var(--color-black);
    color: white;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Hero Section - Split Screen */
.hero {
    display: grid;
    grid-template-columns: 35% 65%;
    min-height: 90vh;
    position: relative;
}

.hero-left {
    background: var(--color-red);
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

.japanese-vertical {
    writing-mode: vertical-rl;
    font-family: var(--font-japanese);
    font-size: 80px;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 20px;
    position: absolute;
    left: 60px;
    top: 50%;
    transform: translateY(-50%);
}

.kanji {
    display: block;
    line-height: 1.2;
}

.hero-illustration {
    position: relative;
    z-index: 2;
    margin-top: -150px;
    margin-left: 80px;
}

.hero-illustration img {
    max-width: 450px;
    filter:
        drop-shadow(0 8px 16px rgba(0,0,0,0.12))
        drop-shadow(0 20px 50px rgba(0,0,0,0.15))
        drop-shadow(0 4px 8px rgba(0,0,0,0.08));
}

.hero-right {
    background: var(--color-white);
    padding: var(--space-12) var(--space-8);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-content {
    max-width: 600px;
    margin-bottom: var(--space-12);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-6);
    color: var(--color-black);
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: var(--space-8);
}

.hero-cta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.btn-primary {
    display: inline-block;
    padding: var(--space-4) var(--space-8);
    background: var(--color-black);
    color: white;
    border: none;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-video {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    background: transparent;
    border: none;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
}

.btn-video:hover {
    color: var(--color-red);
}

.play-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-beige);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.hero-stats {
    display: flex;
    gap: var(--space-8);
    align-items: center;
    padding: var(--space-6);
    background: var(--color-beige);
    border-radius: var(--radius-lg);
    max-width: 600px;
}

.stat-box {
    flex-shrink: 0;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    color: var(--color-black);
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.4;
}

.testimonial-mini {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.testimonial-mini p {
    font-size: 14px;
    font-style: italic;
    color: var(--color-text);
    line-height: 1.5;
}

/* About Section - Beige Background */
.about-section {
    background: var(--color-beige);
    padding: var(--space-24) 0;
}

.about-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-8);
}

.illustration-box {
    position: relative;
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.illustration-box img {
    filter:
        drop-shadow(0 4px 12px rgba(0,0,0,0.08))
        drop-shadow(0 12px 30px rgba(0,0,0,0.12))
        drop-shadow(0 2px 6px rgba(0,0,0,0.06));
}

.japanese-bg {
    position: absolute;
    font-family: var(--font-japanese);
    font-size: 280px;
    font-weight: 700;
    color: rgba(184, 93, 92, 0.08);
    line-height: 1;
    user-select: none;
}

.floating {
    position: relative;
    z-index: 2;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.btn-ghost {
    padding: var(--space-4) var(--space-8);
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-red);
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
}

.btn-ghost:hover {
    background: var(--color-red);
    color: white;
    transform: translateY(-2px);
}

.section-label {
    font-size: 14px;
    color: var(--color-red);
    font-weight: 600;
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-6);
    color: var(--color-black);
}

.section-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

/* Categories Section - Red Background */
.categories-section {
    background: var(--color-red);
    padding: var(--space-24) 0;
    text-align: center;
}

.section-title-white {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-12);
    line-height: 1.2;
}

.category-filters {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-16);
}

.filter-btn {
    padding: var(--space-3) var(--space-6);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-pill);
    color: var(--color-white);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-sans);
}

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

.filter-icon {
    font-size: 18px;
}

.products-carousel {
    position: relative;
    margin-bottom: var(--space-12);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    max-width: 1000px;
    margin: 0 auto;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.carousel-btn:hover {
    background: var(--color-white);
    color: var(--color-red);
}

.carousel-prev {
    left: -30px;
}

.carousel-next {
    right: -30px;
}

.product-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.product-card.glass {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.product-card.featured {
    background: var(--color-white);
    box-shadow: var(--shadow-float);
    transform: scale(1.05);
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
}

.product-card.featured:hover {
    transform: translateY(-8px) scale(1.08);
}

.product-image {
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--color-white);
    padding: var(--space-6);
}

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

.placeholder-image {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
}

.product-card.featured .placeholder-image {
    background: linear-gradient(135deg, #ffffff 0%, #f8f8f8 100%);
}

.placeholder-icon {
    font-size: 80px;
    opacity: 0.3;
}

.product-card.featured .placeholder-icon {
    opacity: 0.5;
}

.product-name {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    padding: var(--space-4) var(--space-4) 0;
    color: var(--color-white);
}

.product-card.featured .product-name {
    color: var(--color-black);
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--space-4) var(--space-4);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--color-white);
}

.product-card.featured .product-rating {
    color: var(--color-black);
}

.star {
    color: #FFD700;
    font-size: 16px;
}

.rating-num {
    font-size: 14px;
    font-weight: 600;
}

.product-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-white);
}

.product-card.featured .product-price {
    color: var(--color-black);
}

/* Trending Section - Beige */
.trending-section {
    background: var(--color-beige);
    padding: var(--space-24) 0;
}

.trending-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.trending-visual img {
    max-width: 80%;
    filter:
        drop-shadow(0 4px 12px rgba(0,0,0,0.08))
        drop-shadow(0 12px 30px rgba(0,0,0,0.12))
        drop-shadow(0 2px 6px rgba(0,0,0,0.06));
    border-radius: 12px;
}

.check-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.check-list li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 1rem;
    color: var(--color-text);
}

.check-list li::before {
    content: '✓';
    width: 24px;
    height: 24px;
    background: var(--color-red-dark);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.divider-circle {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-16) 0;
    position: relative;
}

.divider-circle::before,
.divider-circle::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-beige-dark);
    max-width: 400px;
}

.circle-btn {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--color-black);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    margin: 0 var(--space-8);
    box-shadow: var(--shadow-lg);
}

/* Newsletter Section - Red */
.newsletter-section {
    background: var(--color-red);
    padding: var(--space-20) 0;
    text-align: center;
}

.newsletter-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    gap: 0;
    border-radius: var(--radius-pill);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.email-input-inline {
    flex: 1;
    padding: var(--space-4) var(--space-6);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-right: none;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: white;
    font-size: 16px;
    font-family: var(--font-sans);
    border-radius: var(--radius-pill) 0 0 var(--radius-pill);
}

.email-input-inline::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.email-input-inline:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.25);
}

.btn-submit-inline {
    padding: var(--space-4) var(--space-8);
    background: var(--color-black);
    color: white;
    border: none;
    border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
    white-space: nowrap;
}

.btn-submit-inline:hover {
    background: #2d2d2d;
}

.success-message,
.error-message {
    display: none;
    margin-top: var(--space-6);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius);
    font-size: 16px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.success-message {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.error-message {
    background: rgba(0, 0, 0, 0.2);
    color: white;
    border: 2px solid rgba(0, 0, 0, 0.3);
}

.success-message.show,
.error-message.show {
    display: block;
}

/* Footer - Beige */
.footer {
    background: var(--color-beige);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-12);
    gap: var(--space-12);
}

.footer-brand h4 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-red);
    margin-bottom: var(--space-2);
}

.footer-brand p {
    color: var(--color-text-light);
    font-size: 14px;
}

.footer-nav {
    display: flex;
    gap: var(--space-12);
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-col a {
    color: var(--color-text);
    font-size: 15px;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--color-red);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-black);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--color-red);
    transform: translateY(-2px);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-beige-dark);
    text-align: center;
}

.footer-bottom p {
    color: var(--color-text-light);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .hero-left {
        min-height: 40vh;
    }

    .hero-illustration {
        margin-top: 0;
    }

    .hero-title {
        font-size: 3rem;
    }

    .japanese-vertical {
        font-size: 60px;
        left: 40px;
    }

    .container-split {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

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

    .carousel-prev,
    .carousel-next {
        display: none;
    }
}

@media (max-width: 768px) {
    /* Hero fixes per mobile */
    .hero-illustration {
        margin-top: 0;
        max-width: 260px;
        margin-left: 60px;
        margin-right: 0;
    }

    .hero-illustration img {
        max-width: 260px;
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.6;
    }

    .hero-cta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }

    .hero-right {
        padding: var(--space-8) var(--space-4);
        overflow-x: hidden;
    }

    .hero-content {
        max-width: 100%;
    }

    .btn-primary {
        width: 100%;
        text-align: center;
    }

    .btn-video {
        width: 100%;
        justify-content: center;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-title-white {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
    }

    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
    }

    .check-list {
        grid-template-columns: 1fr;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .email-input-inline,
    .btn-submit-inline {
        border-radius: var(--radius-pill);
    }

    .email-input-inline {
        border-right: 2px solid rgba(255, 255, 255, 0.3);
    }

    .footer-content {
        flex-direction: column;
    }

    .category-filters {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--space-2);
    }

    .japanese-vertical {
        font-size: 40px;
        left: 20px;
        letter-spacing: 10px;
    }

    .japanese-bg {
        font-size: 180px;
    }
}