/* =========================================
   CSS Variables & Design System
   ========================================= */
   :root {
    /* Colors */
    --clr-black: #050505;
    --clr-charcoal: #121212;
    --clr-dark: #1a1a1a;
    --clr-brown: #3a2518;
    --clr-wine: #722F37;
    --clr-gold: #D4AF37;
    --clr-gold-light: #F1D570;
    --clr-text-main: #f0f0f0;
    --clr-text-muted: #a0a0a0;
    --clr-white: #ffffff;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions */
    --transit-fast: 0.3s ease;
    --transit-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* =========================================
   Reset & Base Styles
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    background-color: var(--clr-black);
    color: var(--clr-text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 6rem 0;
}

.pt-padding {
    padding-top: 6rem;
}

.bg-darker {
    background-color: var(--clr-charcoal);
}

.text-center {
    text-align: center;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--clr-gold);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-title span {
    color: var(--clr-white);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--clr-text-muted);
    margin-bottom: 3rem;
}

/* Typography Classes */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--clr-wine);
    color: var(--clr-white);
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid var(--clr-wine);
    cursor: pointer;
    transition: all var(--transit-fast);
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(255, 255, 255, 0.1);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transit-fast);
}

.btn-primary:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.btn-primary:hover {
    border-color: var(--clr-gold);
}

.btn-outline {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--clr-gold);
    color: var(--clr-gold);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    font-weight: 500;
}

.btn-outline:hover {
    background-color: var(--clr-gold);
    color: var(--clr-black);
}

/* =========================================
   Header & Navbar
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: all var(--transit-fast);
}

.navbar.scrolled {
    background-color: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--clr-white);
}

.logo span {
    color: var(--clr-gold);
    font-weight: 400;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a:not(.btn-outline) {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: relative;
}

.nav-links a:not(.btn-outline)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--clr-gold);
    transition: width var(--transit-fast);
}

.nav-links a:not(.btn-outline):hover::after {
    width: 100%;
}

.nav-links a:not(.btn-outline):hover {
    color: var(--clr-gold);
}

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    height: 24px;
    width: 30px;
    position: relative;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--clr-gold);
    position: absolute;
    transition: all 0.3s ease;
}

.mobile-menu-btn span:nth-child(1) { top: 0; }
.mobile-menu-btn span:nth-child(2) { top: 11px; }
.mobile-menu-btn span:nth-child(3) { top: 22px; }

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 11px;
}
.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}
.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg);
    top: 11px;
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    height: 100vh;
    min-height: 600px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: url('https://images.unsplash.com/photo-1594046243098-0fceea9d451e?q=80&w=2070&auto=format&fit=crop') center/cover no-repeat;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0.7) 0%, rgba(5,5,5,0.4) 50%, #050505 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 0 1rem;
    max-width: 800px;
}

.hero-title {
    font-size: 4rem;
    color: var(--clr-white);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--clr-text-main);
    margin-bottom: 2.5rem;
    font-weight: 300;
}

.features-bar {
    position: absolute;
    bottom: 2rem;
    display: flex;
    justify-content: center;
    gap: 3rem;
    z-index: 2;
    width: 100%;
    padding: 1rem;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--clr-gold-light);
}

.feat-icon {
    font-size: 1.2rem;
}

/* =========================================
   About Section
   ========================================= */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--clr-text-muted);
    font-size: 1.05rem;
    text-align: justify;
}

.chef-signature {
    margin-top: 3rem;
    border-left: 3px solid var(--clr-wine);
    padding-left: 1.5rem;
}

.signature-text {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--clr-white);
    font-style: italic;
}

.signature-role {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--clr-gold);
}

.about-image {
    position: relative;
    padding-top: 2rem;
    padding-left: 2rem;
}

.about-image img {
    position: relative;
    z-index: 2;
    border-radius: 4px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.8);
}

.image-accent {
    position: absolute;
    top: 0;
    left: 0;
    width: 80%;
    height: 80%;
    border: 2px solid var(--clr-gold);
    z-index: 1;
}

/* =========================================
   Menu Section
   ========================================= */
.menu-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.tab-btn {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--clr-text-muted);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: all var(--transit-fast);
}

.tab-btn:hover {
    color: var(--clr-white);
}

.tab-btn.active {
    color: var(--clr-gold);
    border-bottom-color: var(--clr-gold);
}

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

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

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 3rem 4rem;
}

.menu-item {
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
    padding-bottom: 1.5rem;
    transition: transform var(--transit-fast);
}

.menu-item:hover {
    transform: translateX(10px);
}

.menu-item-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.5rem;
}

.menu-item-title {
    font-size: 1.3rem;
    color: var(--clr-white);
}

.badge {
    font-size: 0.7rem;
    background-color: var(--clr-wine);
    padding: 0.2rem 0.5rem;
    border-radius: 2px;
    margin-left: 0.5rem;
    vertical-align: middle;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: var(--font-body);
}

.menu-item-price {
    font-family: var(--font-heading);
    color: var(--clr-gold);
    font-size: 1.4rem;
}

.menu-item-desc {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
}

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

/* =========================================
   Gallery Section
   ========================================= */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 350px;
    width: 100%;
}

.gallery-item {
    overflow: hidden;
    position: relative;
}

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

.gallery-item::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.3);
    transition: background 0.4s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item:hover::after {
    background: transparent;
}

/* Make it responsive masonry look */
.gallery-item:nth-child(1) { grid-column: span 2; grid-row: span 2; }
.gallery-item:nth-child(2) { grid-column: span 2; }
.gallery-item:nth-child(3) { grid-column: span 1; }
.gallery-item:nth-child(4) { grid-column: span 1; }

/* =========================================
   Anatomy Map Section
   ========================================= */
.anatomy {
    background-color: var(--clr-charcoal);
    border-top: 1px solid rgba(212, 175, 55, 0.1);
    position: relative;
    overflow: hidden;
}

.cow-wrapper {
    max-width: 800px;
    margin: 4rem auto 2rem;
    position: relative;
    text-align: center;
}

.cow-svg {
    width: 100%;
    height: auto;
    max-height: 400px;
    filter: drop-shadow(0 0 20px rgba(212, 175, 55, 0.1));
}

.cut-group {
    cursor: pointer;
}

.cut-piece {
    fill: rgba(212, 175, 55, 0.05); /* Fundo muito sutil */
    stroke: var(--clr-gold);
    stroke-width: 2;
    stroke-linejoin: round;
    transition: all 0.3s ease;
}

.cow-head {
    fill: rgba(255, 255, 255, 0.02);
    stroke: var(--clr-gold);
    stroke-width: 1.5;
    stroke-dasharray: 4 4;
}

.cut-text {
    fill: var(--clr-text-main);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    text-anchor: middle;
    pointer-events: none;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.cut-group:hover .cut-piece {
    fill: rgba(212, 175, 55, 0.5); /* Cor dourada no preenchimento */
    stroke: var(--clr-white);
    stroke-width: 3;
}

.cut-group:hover .cut-text {
    fill: var(--clr-white);
    opacity: 1;
    font-weight: 700;
}

.cow-instruction {
    margin-top: 2rem;
    color: var(--clr-gold);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.8;
}

/* Side Panel */
.side-panel {
    position: fixed;
    top: 0;
    right: -100%;
    width: 400px;
    max-width: 100vw;
    height: 100vh;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(15px);
    border-left: 1px solid rgba(212, 175, 55, 0.2);
    z-index: 2000;
    transition: right 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    box-shadow: -10px 0 30px rgba(0,0,0,0.8);
}

.side-panel.open {
    right: 0;
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--clr-white);
    font-size: 2rem;
    cursor: pointer;
    transition: color 0.3s;
}

.close-btn:hover {
    color: var(--clr-gold);
}

.panel-content {
    padding: 6rem 2.5rem 3rem;
    overflow-y: auto;
    flex-grow: 1;
}

#panel-title {
    color: var(--clr-gold);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.panel-desc {
    color: var(--clr-text-muted);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    font-size: 0.95rem;
}

.panel-info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.info-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 1rem;
}

.info-label {
    display: block;
    color: var(--clr-text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.3rem;
}

.info-value {
    display: block;
    color: var(--clr-white);
    font-family: var(--font-heading);
    font-size: 1.1rem;
}

/* =========================================
   Reservations Section
   ========================================= */
.reservation-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.reservation-info p {
    color: var(--clr-text-muted);
    margin-bottom: 2rem;
}

.contact-card {
    background: var(--clr-dark);
    padding: 2rem;
    border-left: 4px solid var(--clr-gold);
}

.contact-card p {
    color: var(--clr-text-main);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}
.contact-card p strong {
    color: var(--clr-gold);
}

.reservation-form-container {
    background: var(--clr-dark);
    padding: 3rem;
    border-radius: 4px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.5);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 1rem 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--clr-white);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transit-fast);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-bottom-color: var(--clr-gold);
}

.form-group label {
    position: absolute;
    top: 1rem;
    left: 0;
    color: var(--clr-text-muted);
    transition: all var(--transit-fast);
    pointer-events: none;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label {
    top: -10px;
    font-size: 0.75rem;
    color: var(--clr-gold);
}

select option {
    background-color: var(--clr-dark);
    color: var(--clr-white);
}

.w-100 {
    width: 100%;
}

.loader {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: var(--clr-white);
    animation: spin 1s ease-in-out infinite;
    display: inline-block;
}

.hidden {
    display: none !important;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.feedback-msg {
    margin-top: 1rem;
    padding: 1rem;
    background-color: rgba(46, 125, 50, 0.2);
    border-left: 4px solid #2e7d32;
    color: #4caf50;
    font-weight: 500;
}

/* =========================================
   Footer
   ========================================= */
.footer {
    background-color: #030303;
    border-top: 1px solid rgba(212, 175, 55, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    color: var(--clr-text-muted);
    margin-top: 1rem;
    font-size: 0.9rem;
}

.social-links {
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.9rem;
}

.social-links a:hover {
    background: var(--clr-gold);
    color: var(--clr-black);
    border-color: var(--clr-gold);
}

.footer h4 {
    color: var(--clr-white);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.footer h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40%;
    height: 1px;
    background-color: var(--clr-wine);
}

.footer p {
    color: var(--clr-text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.map-placeholder {
    width: 100%;
    height: 200px;
    background: var(--clr-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-text-muted);
    font-size: 0.9rem;
}

.footer-bottom {
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255,255,255,0.05);
    background: #000;
}

.footer-bottom p {
    font-size: 0.8rem;
    margin: 0;
}

/* =========================================
   Animations & Interactivity
   ========================================= */
.animate-up {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUpFade 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes slideUpFade {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================
   Responsive Design
   ========================================= */
@media (max-width: 1024px) {
    .hero-title { font-size: 3rem; }
    .features-bar { flex-direction: column; gap: 1rem; align-items: center; }
    .about-grid { gap: 2rem; }
    .menu-grid { grid-template-columns: 1fr; }
    .reservation-wrapper { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-item:nth-child(n) { grid-column: span 1; grid-row: span 1; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        justify-content: center;
        transition: right 0.4s ease;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .about-grid { grid-template-columns: 1fr; }
    .about-image { padding: 0; margin-top: 2rem; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: 1fr; }
}