/* Reset e Configurações Básicas */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #FF6B35;
    --secondary-color: #2C3E50;
    --accent-color: #F39C12;
    --text-dark: #343A40;
    --text-light: #6C757D;
    --white: #FFFFFF;
    --light-bg: #F8F9FA;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header e Navegação */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    font-family: 'Fredoka One', cursive;
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cart-btn {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0.8rem 1.2rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    font-size: 1rem;
}

.cart-btn:hover {
    background: #e55a2b;
    transform: translateY(-2px);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent-color);
    color: var(--white);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #FF6B35 0%, #F39C12 100%);
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="40" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: calc(100vh - 80px);
}

.hero-content {
    color: var(--white);
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 150px;
}

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

.btn-primary:hover {
    background: var(--light-bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Hambúrguer Animado */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-burger {
    width: 300px;
    height: 300px;
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.burger-layer {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 50px;
    animation: stackBurger 2s ease-in-out infinite alternate;
}

.burger-top {
    width: 200px;
    height: 40px;
    background: #D2691E;
    top: 20px;
    box-shadow: inset 0 -5px 10px rgba(0,0,0,0.2);
}

.burger-lettuce {
    width: 180px;
    height: 15px;
    background: #228B22;
    top: 60px;
    border-radius: 20px;
}

.burger-tomato {
    width: 160px;
    height: 12px;
    background: #FF6347;
    top: 80px;
    border-radius: 15px;
}

.burger-meat {
    width: 190px;
    height: 30px;
    background: #8B4513;
    top: 100px;
    border-radius: 25px;
    box-shadow: inset 0 -3px 8px rgba(0,0,0,0.3);
}

.burger-cheese {
    width: 170px;
    height: 8px;
    background: #FFD700;
    top: 135px;
    border-radius: 10px;
}

.burger-bottom {
    width: 200px;
    height: 35px;
    background: #DEB887;
    top: 150px;
    box-shadow: inset 0 5px 10px rgba(0,0,0,0.2);
}

@keyframes stackBurger {
    0% { transform: translateX(-50%) translateY(0px); }
    100% { transform: translateX(-50%) translateY(-5px); }
}

/* Seções Gerais */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Menu Section */
.menu {
    padding: 6rem 0;
    background: var(--light-bg);
}

.menu-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.menu-item {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 1;
    transform: scale(1);
}

.menu-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.menu-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.menu-item-image {
    height: 200px;
    background: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.placeholder-image {
    font-size: 4rem;
    opacity: 0.7;
    transition: var(--transition);
}

.menu-item:hover .placeholder-image {
    transform: scale(1.1);
}

.burger-img { color: var(--primary-color); }
.sides-img { color: var(--accent-color); }
.drinks-img { color: #3498DB; }
.desserts-img { color: #E74C3C; }

.menu-item-content {
    padding: 1.5rem;
}

.menu-item-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.menu-item-description {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.menu-item-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.menu-item-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.add-to-cart-btn {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.add-to-cart-btn:hover {
    background: #e55a2b;
    transform: scale(1.1);
}

/* About Section */
.about {
    padding: 6rem 0;
    background: var(--white);
}

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

.about-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-weight: 500;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 400px;
    background: var(--light-bg);
    border-radius: var(--border-radius);
}

.about-img {
    font-size: 8rem;
    color: var(--primary-color);
    opacity: 0.7;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: var(--light-bg);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    background: var(--primary-color);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.contact-details p {
    color: var(--text-light);
    line-height: 1.5;
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #E9ECEF;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

/* Footer */
.footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-title {
    font-family: 'Fredoka One', cursive;
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-description {
    color: #BDC3C7;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

.footer-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #BDC3C7;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-contact p {
    color: #BDC3C7;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid #34495E;
    padding-top: 1rem;
    text-align: center;
    color: #BDC3C7;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--white);
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid #E9ECEF;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
}

.close-modal {
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--text-dark);
}

.modal-body {
    padding: 1.5rem;
    max-height: 400px;
    overflow-y: auto;
}

.cart-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--light-bg);
    border-radius: var(--border-radius);
}

.cart-item-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.cart-item-price {
    color: var(--primary-color);
    font-weight: 600;
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quantity-btn {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.quantity-btn:hover {
    background: #e55a2b;
}

.quantity {
    font-weight: 600;
    min-width: 30px;
    text-align: center;
}

.empty-cart {
    text-align: center;
    color: var(--text-light);
    font-style: italic;
    padding: 2rem;
}

.cart-total {
    border-top: 1px solid #E9ECEF;
    padding-top: 1rem;
    margin-top: 1rem;
    text-align: right;
    font-size: 1.1rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid #E9ECEF;
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: var(--transition);
        box-shadow: var(--shadow);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

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

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-burger {
        width: 250px;
        height: 250px;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

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

    .hero-buttons {
        justify-content: center;
    }

    .menu-filters {
        justify-content: center;
    }

    .modal-footer {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

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

    .hero-description {
        font-size: 1rem;
    }

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

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

    .about-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .btn {
        min-width: 120px;
        padding: 0.8rem 1.5rem;
    }
}

/* Animações de Scroll */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Success States */
.success {
    border-color: #28a745 !important;
    background-color: #d4edda !important;
}

.error {
    border-color: #dc3545 !important;
    background-color: #f8d7da !important;
}