/* === Izakaya Kuro — Japanese Kitchen & Bar === */
:root {
    --bg: #0d0d0d;
    --bg-card: #1a1714;
    --bg-section: #111110;
    --text: #ede8e0;
    --text-muted: #8a837a;
    --red: #c43a31;
    --red-dark: #9e2e27;
    --wood: #3d2e1f;
    --warm: rgba(196,58,49,.06);
    --font-display: 'Noto Serif JP', serif;
    --font-body: 'Inter', sans-serif;
    --transition: .5s cubic-bezier(.25,.46,.45,.94);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.8;
    font-weight: 300;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
.container { max-width: 1040px; margin: 0 auto; padding: 0 28px; }
.center { display: block; text-align: center; }

/* Typography */
.section-label { font-size: .7rem; letter-spacing: .15em; text-transform: uppercase; color: var(--red); font-weight: 500; margin-bottom: 8px; display: block; }
.section-title { font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.2rem); text-align: center; margin-bottom: 14px; font-weight: 500; }
.section-sub { text-align: center; color: var(--text-muted); font-size: .86rem; max-width: 460px; margin: 0 auto 40px; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border: 1px solid var(--red);
    color: var(--red);
    font-size: .8rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    font-weight: 500;
    transition: all var(--transition);
}
.btn:hover { background: var(--red); color: #fff; }

/* ==================== HEADER ==================== */
.header { position: fixed; top: 0; width: 100%; z-index: 1000; padding: 18px 28px; transition: all .35s; }
.header.scrolled { background: rgba(13,13,13,.96); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(196,58,49,.06); }
.header-inner { max-width: 1040px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.logo { font-family: var(--font-display); font-size: 1.4rem; color: var(--red); font-weight: 700; }
.logo-en { font-family: var(--font-body); font-size: .65rem; letter-spacing: .2em; margin-left: 8px; color: var(--text-muted); vertical-align: middle; }
.nav { display: flex; gap: 28px; }
.nav a { font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; color: var(--text-muted); transition: color .3s; }
.nav a:hover { color: var(--red); }
.header-cta { font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; padding: 7px 16px; border: 1px solid rgba(196,58,49,.4); color: var(--red); transition: all .3s; }
.header-cta:hover { background: var(--red); color: #fff; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; width: 22px; height: 14px; flex-direction: column; justify-content: space-between; }
.nav-toggle span { display: block; height: 1px; width: 100%; background: var(--red); transition: all .3s; }

/* ==================== HERO ==================== */
.hero { height: 100vh; min-height: 600px; position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.4) saturate(.8); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(13,13,13,.3) 0%, rgba(13,13,13,.6) 100%); }
.hero-content { position: relative; text-align: center; max-width: 500px; padding: 0 24px; }
.hero-vertical {
    position: absolute;
    right: -80px;
    top: 50%;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    font-family: var(--font-display);
    font-size: 3rem;
    color: rgba(196,58,49,.15);
    font-weight: 700;
    letter-spacing: .2em;
    pointer-events: none;
}
.hero-content h1 { font-family: var(--font-display); font-size: clamp(2.4rem, 5vw, 3.5rem); font-weight: 700; margin-bottom: 16px; line-height: 1.2; }
.hero-content > p { color: var(--text-muted); font-size: .88rem; margin-bottom: 32px; line-height: 1.7; }

/* ==================== MENU CARDS ==================== */
.section { padding: 90px 0; }
.section-dark { background: var(--bg-section); }
.menu-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.menu-card { background: var(--bg-card); border-radius: 4px; overflow: hidden; transition: transform var(--transition); }
.menu-card:hover { transform: translateY(-4px); }
.menu-card-img { height: 200px; overflow: hidden; }
.menu-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.menu-card:hover .menu-card-img img { transform: scale(1.06); }
.menu-card-body { padding: 20px; }
.menu-card-body h3 { font-family: var(--font-display); font-size: 1.05rem; font-weight: 500; margin-bottom: 6px; }
.menu-card-body p { font-size: .8rem; color: var(--text-muted); margin-bottom: 10px; }
.menu-price { font-size: .78rem; color: var(--red); font-weight: 500; }

/* ==================== SAKE BAND ==================== */
.sake-band { padding: 80px 0; background: var(--bg-card); border-top: 1px solid rgba(196,58,49,.06); border-bottom: 1px solid rgba(196,58,49,.06); }
.sake-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.sake-text h2 { font-family: var(--font-display); font-size: 1.6rem; font-weight: 500; margin-bottom: 14px; }
.sake-text p { color: var(--text-muted); font-size: .86rem; }
.sake-list { display: flex; flex-direction: column; gap: 0; }
.sake-item { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid rgba(196,58,49,.08); font-size: .84rem; }
.sake-item:last-child { border-bottom: none; }
.sake-item span:last-child { color: var(--red); font-weight: 500; }

/* ==================== STORY ==================== */
.story-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: center; }
.story-text h2 { font-family: var(--font-display); font-size: clamp(1.4rem, 2.5vw, 1.9rem); font-weight: 500; margin-bottom: 16px; }
.story-text p { color: var(--text-muted); font-size: .88rem; margin-bottom: 14px; }
.story-img img { width: 100%; height: 380px; object-fit: cover; }

/* ==================== GALLERY SCROLL ==================== */
.gallery-scroll { overflow-x: auto; cursor: grab; -webkit-overflow-scrolling: touch; scrollbar-width: none; padding: 20px 0 40px; margin-top: 20px; }
.gallery-scroll::-webkit-scrollbar { display: none; }
.gallery-scroll:active { cursor: grabbing; }
.gallery-track { display: flex; gap: 12px; padding: 0 max(28px, calc((100vw - 1040px)/2)); width: max-content; }
.gallery-track img { width: 300px; height: 220px; object-fit: cover; flex-shrink: 0; filter: saturate(.8); transition: all .4s; }
.gallery-track img:hover { filter: saturate(1); transform: scale(1.02); }

/* ==================== RESERVE ==================== */
.reserve-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: start; }
.reserve-text h2 { font-family: var(--font-display); font-size: clamp(1.4rem, 2.5vw, 1.9rem); font-weight: 500; margin-bottom: 14px; }
.reserve-text > p { color: var(--text-muted); font-size: .88rem; margin-bottom: 28px; }
.reserve-details { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.reserve-detail strong { display: block; font-size: .65rem; letter-spacing: .12em; text-transform: uppercase; color: var(--red); margin-bottom: 4px; font-weight: 500; }
.reserve-detail span { font-size: .82rem; color: var(--text-muted); line-height: 1.6; }

/* ==================== FOOTER ==================== */
.footer { padding: 36px 28px; border-top: 1px solid rgba(196,58,49,.06); }
.footer-inner { max-width: 1040px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-nav { display: flex; gap: 20px; }
.footer-nav a { font-size: .75rem; letter-spacing: .05em; color: var(--text-muted); transition: color .3s; }
.footer-nav a:hover { color: var(--red); }
.footer p { font-size: .72rem; color: rgba(138,131,122,.5); }

/* ==================== ANIMATIONS ==================== */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--transition), transform .7s var(--transition); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 900px) {
    .menu-grid { grid-template-columns: 1fr; gap: 16px; }
    .sake-inner, .story-grid, .reserve-grid { grid-template-columns: 1fr; gap: 36px; }
    .story-img img { height: 260px; }
    .reserve-details { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .nav, .header-cta { display: none; }
    .nav-toggle { display: flex; }
    .nav.open { display: flex; flex-direction: column; position: fixed; inset: 0; background: rgba(13,13,13,.98); padding: 100px 32px; gap: 24px; z-index: 999; align-items: center; }
    .nav.open a { font-size: .95rem; color: var(--text); letter-spacing: .1em; }
    .hero-vertical { display: none; }
    .hero-content h1 { font-size: 2.2rem; }
    .gallery-track img { width: 250px; height: 180px; }
    .reserve-details { grid-template-columns: 1fr; }
    .section { padding: 60px 0; }
    .footer-inner { flex-direction: column; text-align: center; }
}