/* ============================================
   Okinawa Hibachi & Sushi Food Truck
   Clean Minimalist — Emerald & Cream
   ============================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --cream-50: #FAF8F5;
    --cream-100: #F5F0E8;
    --cream-200: #EDE5D5;
    --cream-300: #E0D5C0;
    --emerald-50: #ecfdf5;
    --emerald-100: #d1fae5;
    --emerald-400: #34d399;
    --emerald-500: #10b981;
    --emerald-600: #059669;
    --emerald-700: #047857;
    --emerald-800: #065f46;
    --emerald-900: #064e3b;
    --emerald-950: #022c22;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-muted: #6b6b6b;
    --line-color: rgba(6, 79, 59, 0.12);
    --line-strong: rgba(6, 79, 59, 0.25);
    --font-serif: 'Instrument Serif', Georgia, serif;
    --font-body: 'Inter', system-ui, sans-serif;
    --font-accent: 'Crimson Pro', Georgia, serif;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    background-color: var(--cream-50);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ---------- Scroll Progress ---------- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: linear-gradient(90deg, var(--emerald-600), var(--emerald-400));
    z-index: 9999;
    transition: width 0.1s linear;
}

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 248, 245, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line-color);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
    background: rgba(250, 248, 245, 0.95);
    box-shadow: 0 1px 20px rgba(6, 79, 59, 0.06);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--emerald-800);
    letter-spacing: -0.01em;
}

.logo-mark {
    color: var(--emerald-700);
}

.logo-text {
    font-weight: 400;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
    position: relative;
    padding: 0.25rem 0;
    transition: color 0.25s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--emerald-600);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--emerald-700);
}

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

/* Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle-line {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--emerald-800);
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* Nav Overlay */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(250, 248, 245, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.nav-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.nav-overlay-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.nav-overlay-link {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--emerald-800);
    transition: color 0.25s ease;
}

.nav-overlay-link:hover {
    color: var(--emerald-500);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem 4rem;
    overflow: hidden;
    /* Explicit dark gradient background with light text */
    background: linear-gradient(160deg, #022c22 0%, #064e3b 30%, #047857 60%, #059669 80%, #10b981 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 20% 80%, rgba(5, 150, 105, 0.3) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(16, 185, 129, 0.2) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 50% 50%, rgba(2, 44, 34, 0.5) 0%, transparent 70%);
    pointer-events: none;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.6;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-eyebrow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 2.5rem;
}

.hero-eyebrow-line {
    width: 40px;
    height: 1px;
    background: rgba(255, 255, 255, 0.3);
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 400;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: #ffffff;
    margin-bottom: 2rem;
}

.hero-accent {
    font-style: italic;
    color: var(--emerald-200);
}

.hero-sub {
    font-family: var(--font-accent);
    font-size: clamp(1.1rem, 2vw, 1.375rem);
    font-weight: 300;
    font-style: italic;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.75);
    max-width: 520px;
    margin: 0 auto 3rem;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 1;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.4; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 1rem 2rem;
    border-radius: 0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: #ffffff;
    color: var(--emerald-900);
    border: 1px solid rgba(255,255,255,0.3);
}

.btn-primary:hover {
    background: var(--emerald-100);
    border-color: var(--emerald-400);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn-ghost:hover {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.08);
}

.btn-arrow {
    transition: transform 0.3s ease;
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

.btn-submit {
    background: var(--emerald-800);
    color: #ffffff;
    border: 1px solid var(--emerald-700);
}

.btn-submit:hover {
    background: var(--emerald-700);
    border-color: var(--emerald-600);
}

/* ---------- Section Dividers ---------- */
.section-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.divider-line {
    flex: 1;
    height: 1px;
    background: var(--line-color);
}

.divider-dot {
    color: var(--emerald-600);
    flex-shrink: 0;
}

/* ---------- Section Labels ---------- */
.section-label {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--emerald-600);
    margin-bottom: 1rem;
    position: relative;
    padding-left: 2rem;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1rem;
    height: 1px;
    background: var(--emerald-600);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--emerald-950);
    margin-bottom: 1.5rem;
}

.section-subtitle {
    font-family: var(--font-accent);
    font-size: 1.125rem;
    font-weight: 300;
    font-style: italic;
    color: var(--text-muted);
    max-width: 480px;
    line-height: 1.6;
}

.section-header {
    margin-bottom: 4rem;
}

/* ---------- Menu Section ---------- */
.menu-section {
    padding: 7rem 0;
    background: var(--cream-50);
}

.menu-category {
    margin-bottom: 5rem;
}

.menu-category:last-child {
    margin-bottom: 0;
}

.category-header {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--line-color);
}

.category-icon {
    color: var(--emerald-600);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.category-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--emerald-900);
    margin-bottom: 0.25rem;
}

.category-desc {
    font-family: var(--font-accent);
    font-size: 1rem;
    font-style: italic;
    color: var(--text-muted);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0;
}

.menu-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--line-color);
    transition: padding-left 0.25s ease;
}

.menu-item:first-child {
    border-top: 1px solid var(--line-color);
}

.menu-item:hover {
    padding-left: 0.75rem;
}

.menu-item-name {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
    letter-spacing: 0.01em;
}

.menu-item-desc {
    font-size: 0.8125rem;
    font-weight: 300;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ---------- About Section ---------- */
.about-section {
    padding: 7rem 0;
    background: var(--cream-100);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image-wrap {
    position: relative;
}

.about-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/5;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.about-image:hover img {
    transform: scale(1.02);
}

.about-image-accent {
    position: absolute;
    top: -1rem;
    right: -1rem;
    width: 100%;
    height: 100%;
    border: 1px solid var(--emerald-300);
    z-index: -1;
}

.about-content {
    padding: 1rem 0;
}

.about-title {
    margin-bottom: 2rem;
}

.about-text {
    font-family: var(--font-accent);
    font-size: 1.0625rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.about-text:last-child {
    margin-bottom: 2.5rem;
}

.about-values {
    display: flex;
    align-items: center;
    gap: 0;
    flex-wrap: wrap;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 0;
}

.value-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--emerald-700);
    padding: 0.5rem 0;
}

.value-divider {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--emerald-400);
    margin: 0 1rem;
    flex-shrink: 0;
}

/* ---------- Scheduling Section ---------- */
.scheduling-section {
    padding: 7rem 0;
    background: var(--cream-50);
}

.location-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 2rem;
    background: var(--cream-100);
    border: 1px solid var(--line-color);
    padding: 3rem;
    margin-bottom: 2rem;
}

.location-icon {
    color: var(--emerald-600);
}

.location-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.location-name {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--emerald-950);
}

.location-address {
    font-style: normal;
    font-size: 0.9375rem;
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.6;
}

.location-phone {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 400;
    color: var(--emerald-700);
    transition: color 0.25s ease;
}

.location-phone:hover {
    color: var(--emerald-500);
}

.location-map {
    display: flex;
    align-items: center;
}

.map-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--line-strong);
    transition: all 0.3s ease;
}

.map-btn:hover {
    color: var(--emerald-700);
    border-color: var(--emerald-600);
    background: rgba(6, 79, 59, 0.04);
}

.map-btn svg {
    transition: transform 0.3s ease;
}

.map-btn:hover svg {
    transform: translate(2px, -2px);
}

.hours-note {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    background: var(--emerald-50);
    border-left: 2px solid var(--emerald-400);
}

.hours-note svg {
    color: var(--emerald-600);
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.hours-note p {
    font-size: 0.875rem;
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ---------- Contact Section ---------- */
.contact-section {
    padding: 7rem 0;
    background: var(--cream-100);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-text {
    font-family: var(--font-accent);
    font-size: 1.0625rem;
    font-weight: 300;
    font-style: italic;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 300;
    line-height: 1.6;
    transition: color 0.25s ease;
}

.contact-detail a {
    color: var(--emerald-700);
    transition: color 0.25s ease;
}

.contact-detail a:hover {
    color: var(--emerald-500);
}

.contact-detail svg {
    color: var(--emerald-600);
    flex-shrink: 0;
    margin-top: 0.2rem;
}

/* ---------- Contact Form ---------- */
.contact-form-wrap {
    background: var(--cream-50);
    border: 1px solid var(--line-color);
    padding: 2.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.form-input,
.form-textarea {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 300;
    color: var(--text-primary);
    background: var(--cream-50);
    border: 1px solid var(--line-strong);
    padding: 0.875rem 1rem;
    outline: none;
    transition: border-color 0.25s ease;
    resize: vertical;
    border-radius: 0;
    -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--emerald-600);
}

.form-success {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--emerald-50);
    border: 1px solid var(--emerald-200);
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--emerald-800);
    margin-top: 0.5rem;
}

.form-success.visible {
    display: flex;
}

.form-success svg {
    color: var(--emerald-600);
    flex-shrink: 0;
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--emerald-950);
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 0 2rem;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 3rem;
    align-items: start;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.logo-footer {
    color: rgba(255, 255, 255, 0.9);
}

.logo-footer .logo-mark {
    color: var(--emerald-400);
}

.footer-tagline {
    font-family: var(--font-accent);
    font-size: 0.9375rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 0.75rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.8125rem;
    font-weight: 300;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.25s ease;
}

.footer-links a:hover {
    color: var(--emerald-400);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 300;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.25s ease;
}

.footer-contact a:hover {
    color: var(--emerald-400);
}

.footer-bottom {
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.75rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.3);
    letter-spacing: 0.04em;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-image-wrap {
        max-width: 480px;
    }

    .location-card {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }

    .location-icon {
        justify-self: center;
    }

    .location-map {
        justify-self: center;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-list {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 5rem 1.5rem 4rem;
    }

    .hero-headline {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

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

    .menu-section,
    .about-section,
    .scheduling-section,
    .contact-section {
        padding: 5rem 0;
    }

    .container {
        padding: 0 1.25rem;
    }

    .header-inner {
        padding: 0 1.25rem;
    }

    .section-header {
        margin-bottom: 3rem;
    }

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

    .category-header {
        flex-direction: column;
        gap: 0.75rem;
    }

    .contact-form-wrap {
        padding: 1.5rem;
    }

    .scroll-progress {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-headline {
        font-size: 2.25rem;
    }

    .hero-eyebrow {
        font-size: 0.6875rem;
        gap: 0.75rem;
    }

    .hero-eyebrow-line {
        width: 24px;
    }

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

    .about-image-accent {
        top: -0.5rem;
        right: -0.5rem;
    }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .scroll-progress {
        display: none;
    }

    .about-image img {
        transition: none;
    }
}