/* =====================================================
   SUSHI YAMAMOTO - Japanese Minimalism / Zen Design
   Extreme whitespace, vertical text, asymmetric balance
   ===================================================== */

:root {
    --accent-red: #C41E3A;
    --charcoal: #2C2C2C;
    --ink: #1A1A1A;
    --stone-gray: #666666;
    --pure-white: #FFFFFF;
    --rice-paper: #FAFAFA;
    --whisper-gray: #F5F5F5;
    --line-gray: #E0E0E0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Zen Kaku Gothic New', sans-serif;
    font-size: 16px;
    line-height: 2;
    color: var(--charcoal);
    background: var(--pure-white);
    letter-spacing: 0.5px;
}

h1, h2, h3, h4 {
    font-family: 'Noto Serif JP', serif;
    color: var(--ink);
    font-weight: 300;
    line-height: 1.6;
    letter-spacing: 2px;
}

h1 { font-size: clamp(2.5rem, 5vw, 5rem); font-weight: 200; }
h2 { font-size: clamp(1.8rem, 4vw, 3.5rem); font-weight: 200; }
h3 { font-size: 1.1rem; font-weight: 400; }

a { color: inherit; text-decoration: none; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.container { max-width: 1400px; margin: 0 auto; padding: 0 80px; }

/* Navbar - Minimal, floating */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line-gray);
    padding: 32px 0;
}

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

.logo {
    display: flex;
    align-items: baseline;
    gap: 16px;
}

.logo-jp {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.2rem;
    color: var(--ink);
    font-weight: 300;
    letter-spacing: 4px;
}

.logo-fr {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--stone-gray);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 64px;
}

.nav-links a {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--charcoal);
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-red);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.nav-cta {
    background: transparent;
    color: var(--ink);
    padding: 12px 32px;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: 1px solid var(--ink);
}

.nav-cta:hover {
    background: var(--ink);
    color: var(--pure-white);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger span {
    width: 28px;
    height: 1px;
    background: var(--ink);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 97px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-bottom: 1px solid var(--line-gray);
    flex-direction: column;
    gap: 24px;
    z-index: 999;
}

.mobile-menu.active { display: flex; }

.mobile-link {
    font-weight: 400;
    padding: 16px 0;
    border-bottom: 1px solid var(--line-gray);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.75rem;
}

/* Hero - Extreme asymmetry and whitespace */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 97px;
}

.hero-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 45%;
    height: 100%;
}

.hero-bg .image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--whisper-gray);
    color: rgba(44, 44, 44, 0.15);
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.chef-image {
    width: 100%;
    max-width: 450px;
    aspect-ratio: 3/4;
    object-fit: cover;
    border-radius: 12px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: transparent;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    min-height: calc(100vh - 97px);
}

.hero-content {
    max-width: 500px;
    color: var(--ink);
    padding: 160px 0 160px 0;
    position: relative;
}

/* Vertical Japanese text accent */
.hero-jp {
    position: absolute;
    left: -120px;
    top: 160px;
    font-family: 'Noto Serif JP', serif;
    font-size: 0.9rem;
    color: var(--accent-red);
    letter-spacing: 8px;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-weight: 300;
}

.hero h1 {
    color: var(--ink);
    margin-bottom: 80px;
    line-height: 1.3;
}

.hero p {
    font-size: 1rem;
    opacity: 0.7;
    margin-bottom: 80px;
    line-height: 2.2;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 40px;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
}

.btn-primary {
    background: var(--ink);
    color: var(--pure-white);
}

.btn-primary:hover {
    background: var(--accent-red);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--ink);
    color: var(--ink);
}

.btn-outline:hover {
    background: var(--ink);
    color: var(--pure-white);
}

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

/* Sections - Simple line separators */
.section-header {
    text-align: left;
    margin-bottom: 120px;
    position: relative;
    max-width: 600px;
}

/* Vertical text accent for sections */
.section-jp {
    position: absolute;
    right: -80px;
    top: 0;
    font-family: 'Noto Serif JP', serif;
    font-size: 0.8rem;
    color: var(--accent-red);
    letter-spacing: 6px;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-weight: 300;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    min-height: 200px;
    background: var(--whisper-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 12px;
    color: rgba(44, 44, 44, 0.15);
    font-size: 0.9rem;
}

/* Intro - Asymmetric layout with massive spacing */
.intro {
    padding: 200px 0;
    border-bottom: 1px solid var(--line-gray);
}

.intro-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 120px;
    align-items: start;
}

.intro-item {
    text-align: left;
}

.intro-item:first-child {
    padding-right: 80px;
}

.intro-icon {
    font-size: 1.8rem;
    margin-bottom: 40px;
    opacity: 0.3;
}

.intro-item h3 {
    margin-bottom: 24px;
    font-weight: 300;
}

.intro-item p {
    color: var(--stone-gray);
    font-size: 0.9rem;
    line-height: 2;
    font-weight: 300;
}

/* Menu - Unique asymmetric grid */
.menu {
    padding: 200px 0;
    border-bottom: 1px solid var(--line-gray);
    position: relative;
}

.menu .section-header {
    margin-left: 160px;
}

.menu-categories {
    display: flex;
    justify-content: flex-start;
    gap: 0;
    margin-bottom: 120px;
    margin-left: 160px;
}

.menu-tab {
    padding: 16px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--line-gray);
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-right: 64px;
    color: var(--stone-gray);
}

.menu-tab:hover {
    color: var(--ink);
    border-bottom-color: var(--ink);
}

.menu-tab.active {
    background: transparent;
    border-bottom: 1px solid var(--accent-red);
    color: var(--ink);
}

.menu-section { display: none; }
.menu-section.active { display: block; }

/* Asymmetric menu grid - items float in space */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 80px 120px;
    padding-left: 160px;
}

.menu-item {
    padding: 0;
    border: none;
    border-bottom: 1px solid var(--line-gray);
    padding-bottom: 32px;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-item:hover {
    padding-left: 24px;
}

.menu-item:hover::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 1px;
    height: 100%;
    background: var(--accent-red);
}

.menu-item-header {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 16px;
}

.menu-item h4 {
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 1px;
}

.menu-price {
    font-weight: 300;
    color: var(--ink);
    font-size: 0.85rem;
    letter-spacing: 2px;
}

.menu-item p {
    color: var(--stone-gray);
    font-size: 0.85rem;
    line-height: 2;
    font-weight: 300;
}

.menu-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: transparent;
    color: var(--accent-red);
    padding: 0;
    font-size: 0.65rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Chef - Extreme asymmetry */
.chef {
    padding: 200px 0;
    background: var(--pure-white);
    border-bottom: 1px solid var(--line-gray);
    position: relative;
}

.chef-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 200px;
    align-items: start;
}

.chef-image {
    position: relative;
}

.chef-image .image-placeholder {
    min-height: 600px;
    background: var(--whisper-gray);
    color: rgba(44, 44, 44, 0.15);
}

.chef-image img {
    width: 100%;
    max-width: 100%;
    height: auto;
    max-height: 600px;
    object-fit: cover;
    object-position: center top;
}

.chef-content {
    padding-top: 120px;
}

.chef-content .section-jp {
    position: relative;
    right: auto;
    top: auto;
    writing-mode: horizontal-tb;
    margin-bottom: 24px;
    display: block;
}

.chef-content h2 {
    color: var(--ink);
    margin-bottom: 60px;
}

.chef-intro {
    font-size: 1.1rem;
    margin-bottom: 40px;
    opacity: 0.8;
    line-height: 2.2;
    font-weight: 300;
}

.chef-content p {
    opacity: 0.6;
    margin-bottom: 40px;
    font-weight: 300;
    line-height: 2.2;
}

.chef-content blockquote {
    font-family: 'Noto Serif JP', serif;
    font-size: 1rem;
    font-style: normal;
    padding-left: 0;
    padding-top: 40px;
    border-left: none;
    border-top: 1px solid var(--accent-red);
    opacity: 0.7;
    font-weight: 300;
    line-height: 2.2;
}

/* Galerie - Asymmetric with massive gaps */
.galerie {
    padding: 200px 0;
    border-bottom: 1px solid var(--line-gray);
}

.galerie .section-header {
    margin-left: 0;
    margin-bottom: 120px;
}

.galerie-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: 300px 300px;
    gap: 40px;
}

.galerie-item {
    overflow: hidden;
}

.galerie-item:nth-child(1) {
    grid-column: span 2;
    grid-row: span 1;
}

.galerie-item:nth-child(2) {
    grid-column: span 2;
    grid-row: span 2;
}

.galerie-item:nth-child(3) {
    grid-column: span 2;
    grid-row: span 1;
}

.galerie-item:nth-child(4) {
    grid-column: span 3;
    grid-row: span 1;
}

.galerie-item:nth-child(5) {
    grid-column: span 3;
    grid-row: span 1;
}

.galerie-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

.galerie-item .image-placeholder {
    min-height: 100%;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.galerie-item:hover .image-placeholder {
    opacity: 0.7;
}

.galerie-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.galerie-item:hover img {
    opacity: 0.7;
}

/* Réservation - Minimal form in vast space */
.reservation {
    padding: 200px 0;
    background: var(--pure-white);
    border-bottom: 1px solid var(--line-gray);
}

.reservation-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 200px;
}

.reservation-info h2 {
    margin-bottom: 40px;
}

.reservation-info > p {
    color: var(--stone-gray);
    margin-bottom: 80px;
    font-weight: 300;
    line-height: 2.2;
}

.info-details {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.info-item strong {
    display: block;
    color: var(--ink);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
    font-weight: 400;
}

.info-item p {
    color: var(--stone-gray);
    font-weight: 300;
    line-height: 2;
}

.reservation-form {
    background: transparent;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.reservation-form input,
.reservation-form select,
.reservation-form textarea {
    width: 100%;
    padding: 20px 0;
    border: none;
    border-bottom: 1px solid var(--line-gray);
    font-family: inherit;
    font-size: 0.9rem;
    background: transparent;
    transition: border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--ink);
    font-weight: 300;
}

.reservation-form input::placeholder,
.reservation-form textarea::placeholder {
    color: var(--stone-gray);
    opacity: 0.5;
}

.reservation-form input:focus,
.reservation-form select:focus,
.reservation-form textarea:focus {
    outline: none;
    border-bottom-color: var(--accent-red);
}

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

/* Footer - Minimal */
.footer {
    background: var(--pure-white);
    color: var(--ink);
    padding: 120px 0 60px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--line-gray);
}

.footer-brand .logo {
    margin-bottom: 24px;
}

.footer-brand .logo-jp {
    color: var(--ink);
}

.footer-brand .logo-fr {
    color: var(--stone-gray);
}

.footer-brand p {
    color: var(--stone-gray);
    font-size: 0.85rem;
    font-weight: 300;
    line-height: 2;
}

.footer-links, .footer-social {
    display: flex;
    gap: 48px;
}

.footer-links a, .footer-social a {
    color: var(--stone-gray);
    font-size: 0.75rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 300;
}

.footer-links a:hover, .footer-social a:hover {
    color: var(--accent-red);
}

.footer-bottom {
    padding-top: 40px;
    text-align: center;
    color: var(--stone-gray);
    font-size: 0.75rem;
    font-weight: 300;
    letter-spacing: 1px;
}

/* Responsive */
@media (max-width: 1024px) {
    .container { padding: 0 40px; }
    .nav-links, .nav-cta { display: none; }
    .hamburger { display: flex; }

    .hero-jp { display: none; }
    .hero-bg { width: 100%; opacity: 0.1; }
    .hero-content { padding: 120px 0; }

    .section-jp { display: none; }
    .section-header { margin-left: 0 !important; }

    .intro-grid {
        grid-template-columns: 1fr;
        gap: 80px;
    }

    .menu-categories { margin-left: 0; }
    .menu-grid {
        padding-left: 0;
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .chef-grid, .reservation-grid {
        grid-template-columns: 1fr;
        gap: 80px;
    }

    .chef-content { padding-top: 0; }
    .chef-image { order: -1; }

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

    .galerie-item:nth-child(1),
    .galerie-item:nth-child(2),
    .galerie-item:nth-child(3),
    .galerie-item:nth-child(4),
    .galerie-item:nth-child(5) {
        grid-column: span 1;
        grid-row: span 1;
    }
}

@media (max-width: 768px) {
    .container { padding: 0 24px; }

    .intro { padding: 120px 0; }
    .menu { padding: 120px 0; }
    .chef { padding: 120px 0; }
    .galerie { padding: 120px 0; }
    .reservation { padding: 120px 0; }

    .section-header { margin-bottom: 80px; }

    .intro-grid { gap: 60px; }
    .intro-item:first-child { padding-right: 0; }

    .menu-categories {
        flex-wrap: wrap;
        gap: 24px;
    }

    .menu-tab { margin-right: 0; }

    .menu-grid {
        gap: 60px;
    }

    .chef-grid, .reservation-grid {
        gap: 60px;
    }

    .galerie-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 48px;
    }

    .hero-buttons {
        flex-direction: column;
    }
}