/* =============================================
   COMEDOR ESCOLAR - STYLES
   ============================================= */

/* ---------------------------------------------
   CSS Variables / Design Tokens
   --------------------------------------------- */
:root {
    /* Colors */
    --color-primary: #FF6B35;
    --color-primary-light: #ff8c5a;
    --color-secondary: #004E64;
    --color-accent: #25A18E;
    --color-warm: #FFF3E4;
    --color-dark: #1A1A2E;
    --color-white: #ffffff;
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, rgba(0,78,100,0.9) 0%, rgba(37,161,142,0.8) 100%);
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    --shadow-primary: 0 10px 30px rgba(255, 107, 53, 0.3);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Font Families */
    --font-primary: 'Poppins', sans-serif;
    --font-display: 'Playfair Display', serif;
}

/* ---------------------------------------------
   Base Styles
   --------------------------------------------- */
* {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-warm);
}

/* ---------------------------------------------
   Hero Section
   --------------------------------------------- */
.hero-gradient {
    background: var(--gradient-hero);
}

/* ---------------------------------------------
   Cards & Hover Effects
   --------------------------------------------- */
.card-hover {
    transition: all var(--transition-base);
}

.card-hover:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.menu-card {
    background: var(--gradient-card);
}

.price-tag {
    background: var(--gradient-primary);
}

/* ---------------------------------------------
   Blob Animation
   --------------------------------------------- */
.blob {
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: blob 8s ease-in-out infinite;
}

@keyframes blob {
    0%, 100% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    }
    50% {
        border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%;
    }
}

/* ---------------------------------------------
   Floating Animation
   --------------------------------------------- */
.floating {
    animation: floating 3s ease-in-out infinite;
}

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

/* ---------------------------------------------
   Navigation Links
   --------------------------------------------- */
.nav-link {
    position: relative;
}

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

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

/* ---------------------------------------------
   Scroll Indicator
   --------------------------------------------- */
.scroll-indicator {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-20px) translateX(-50%);
    }
    60% {
        transform: translateY(-10px) translateX(-50%);
    }
}

/* ---------------------------------------------
   Form Elements
   --------------------------------------------- */
.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    outline: none;
    transition: all var(--transition-fast);
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

/* ---------------------------------------------
   Buttons
   --------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
}

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

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

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

.btn-secondary:hover {
    opacity: 0.9;
}

.btn-outline {
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    color: var(--color-white);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

/* ---------------------------------------------
   Back to Top Button
   --------------------------------------------- */
#back-to-top {
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

/* ---------------------------------------------
   Section Headers
   --------------------------------------------- */
.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 1rem;
}

/* ---------------------------------------------
   Feature Cards
   --------------------------------------------- */
.feature-icon {
    width: 5rem;
    height: 5rem;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

/* ---------------------------------------------
   Menu Item Cards
   --------------------------------------------- */
.menu-item-image {
    width: 100%;
    height: 14rem;
    object-fit: cover;
}

.menu-item-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-white);
}

.menu-item-price {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    color: var(--color-white);
    background: var(--gradient-primary);
}

/* ---------------------------------------------
   Testimonial Cards
   --------------------------------------------- */
.testimonial-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.testimonial-avatar {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-full);
    object-fit: cover;
}

/* ---------------------------------------------
   Schedule Cards
   --------------------------------------------- */
.schedule-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--color-warm);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
}

.schedule-icon {
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* ---------------------------------------------
   Contact Section
   --------------------------------------------- */
.contact-card {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ---------------------------------------------
   Social Links
   --------------------------------------------- */
.social-link {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    transition: all var(--transition-base);
}

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

/* ---------------------------------------------
   Nutrition Cards
   --------------------------------------------- */
.nutrition-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
}

.nutrition-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

/* ---------------------------------------------
   Info Cards (Floating)
   --------------------------------------------- */
.info-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 1rem;
    box-shadow: var(--shadow-xl);
}

.info-card-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ---------------------------------------------
   Rating Stars
   --------------------------------------------- */
.rating {
    display: flex;
    color: #facc15;
    gap: 0.125rem;
}

/* ---------------------------------------------
   Check List
   --------------------------------------------- */
.check-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.check-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: #dcfce7;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #16a34a;
}

/* ---------------------------------------------
   Footer
   --------------------------------------------- */
.footer-link {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

/* ---------------------------------------------
   Responsive Utilities
   --------------------------------------------- */
@media (max-width: 768px) {
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .menu-categories {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .menu-categories::-webkit-scrollbar {
        display: none;
    }
}

/* ---------------------------------------------
   Loading State
   --------------------------------------------- */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ---------------------------------------------
   Menu Iframe Section
   --------------------------------------------- */
#menu-iframe {
    display: block;
    width: 100%;
    border: none;
    background: var(--color-white);
}

.menu-filter-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
}

.week-btn {
    transition: all var(--transition-base);
}

.week-btn:hover {
    transform: translateY(-2px);
}

.week-btn.active {
    background: var(--color-secondary);
    color: var(--color-white);
}

/* Loading Spinner */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* Iframe Container */
.iframe-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-2xl);
}

.iframe-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    z-index: 1;
}

/* ---------------------------------------------
   Date Input Styles
   --------------------------------------------- */
input[type="date"] {
    appearance: none;
    -webkit-appearance: none;
    background: var(--color-white);
    cursor: pointer;
}

input[type="date"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

input[type="date"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

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

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}