/* ============================================
   OSTERIA 11 — STYLESHEET
   Dark & Warm Premium Style
   ============================================ */

:root {
    --color-bg: #0a0a0a;
    --color-surface: #111111;
    --color-surface-2: #1a1a1a;
    --color-text: #e8e8e8;
    --color-text-muted: #a0a0a0;
    --color-accent: #D4AF37;
    --color-accent-hover: #b5952f;
    --color-border: rgba(255,255,255,0.08);
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 4px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    padding: 100px 0;
}

.section-label {
    display: block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 32px;
}

.accent {
    color: var(--color-accent);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 36px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--color-accent);
    color: #0a0a0a;
    border-color: var(--color-accent);
}

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

.btn-gold {
    background: var(--color-accent);
    color: #0a0a0a;
    border-color: var(--color-accent);
}

.btn-gold:hover {
    background: transparent;
    color: var(--color-accent);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-outline:hover {
    background: var(--color-accent);
    color: #0a0a0a;
}

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

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 24px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10,10,10,0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: #fff;
}

.nav-menu {
    display: flex;
    gap: 36px;
}

.nav-link {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-muted);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: var(--transition);
}

.nav-link:hover {
    color: #fff;
}

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

.nav-cta {
    padding: 10px 24px;
    font-size: 0.75rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: var(--transition);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease;
}

.hero-bg img.loaded {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(10,10,10,0.4) 0%, rgba(10,10,10,0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 700;
    color: #fff;
    line-height: 1;
    margin-bottom: 20px;
    text-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    font-weight: 300;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    letter-spacing: 1px;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator span {
    display: block;
    width: 20px;
    height: 30px;
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 6px;
    background: #fff;
    border-radius: 2px;
    animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   TICKER
   ============================================ */
.ticker {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    overflow: hidden;
    padding: 14px 0;
}

.ticker-content {
    display: flex;
    white-space: nowrap;
    animation: tickerScroll 20s linear infinite;
    width: max-content;
}

.ticker-content span {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-text-muted);
    padding-right: 40px;
}

@keyframes tickerScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    background: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.about-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--color-surface-2);
    min-height: 400px;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.about-image:hover img {
    transform: scale(1.04);
}

/* ============================================
   MENU
   ============================================ */
.menu-section {
    background: var(--color-surface);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.menu-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.menu-tab {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding: 12px 28px;
    font-family: var(--font-body);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    cursor: pointer;
    border-radius: var(--radius);
    transition: var(--transition);
}

.menu-tab:hover, .menu-tab.active {
    background: var(--color-accent);
    color: #0a0a0a;
    border-color: var(--color-accent);
}

.menu-content {
    max-width: 800px;
    margin: 0 auto;
}

.menu-panel {
    display: none;
    animation: fadeIn 0.5s ease;
}

.menu-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.menu-item {
    padding: 28px 0;
    border-bottom: 1px solid var(--color-border);
}

.menu-item-header {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 8px;
}

.menu-item-name {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
}

.menu-line {
    flex: 1;
    border-bottom: 1px dashed rgba(255,255,255,0.15);
    min-width: 20px;
}

.menu-item-price {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-accent);
    white-space: nowrap;
}

.menu-item-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* ============================================
   GALLERY
   ============================================ */
.gallery {
    background: var(--color-bg);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 280px;
    gap: 12px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    cursor: pointer;
    background: var(--color-surface-2);
}

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

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item.wide {
    grid-column: span 2;
}

.gallery-item.tall {
    grid-row: span 2;
}

/* ============================================
   BOOKING
   ============================================ */
.booking {
    background: var(--color-surface);
}

.booking-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
}

.booking-info p {
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

.booking-contacts {
    list-style: none;
}

.booking-contacts li {
    margin-bottom: 14px;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.booking-contacts a {
    color: var(--color-accent);
    border-bottom: 1px solid transparent;
}

.booking-contacts a:hover {
    border-bottom-color: var(--color-accent);
}

.booking-form-wrapper {
    background: var(--color-surface-2);
    padding: 48px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.booking-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: #fff;
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    border-radius: var(--radius);
    outline: none;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #555;
}

.form-group input.error,
.form-group select.error {
    border-color: #c0392b;
}

.form-disclaimer {
    font-size: 0.75rem;
    color: #555;
    text-align: center;
    margin-top: 8px;
}

.booking-success {
    display: none;
    text-align: center;
    padding: 40px 0;
}

.booking-success h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.booking-success p {
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: #050505;
    padding: 80px 0 0;
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--color-text-muted);
    margin-top: 20px;
    font-size: 0.9rem;
    max-width: 300px;
}

.footer-col h4 {
    font-family: var(--font-body);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent);
    margin-bottom: 24px;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
    line-height: 1.6;
}

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

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.social-links a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: #444;
    letter-spacing: 1px;
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-right {
    transform: translateX(40px);
}

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
    opacity: 1;
    transform: translate(0);
}

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
    .about-grid,
    .booking-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .about-image {
        order: -1;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 200px;
    }

    .gallery-item.wide,
    .gallery-item.tall {
        grid-column: span 1;
        grid-row: span 1;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-surface);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 40px;
        gap: 24px;
        transition: right 0.4s ease;
        border-left: 1px solid var(--color-border);
    }

    .nav-menu.open {
        right: 0;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-cta {
        display: none;
    }

    .menu-tabs {
        gap: 6px;
    }

    .menu-tab {
        padding: 10px 18px;
        font-size: 0.7rem;
    }

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

    .booking-form-wrapper {
        padding: 28px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        max-width: none;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 3rem;
    }

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