/* =====================================================
   SISTEMA WEB PARQUE ACUÁTICO - ESTILOS CSS
   Tema: Acuático (azules, verdes, amarillos)
   Diseño: Responsive & Mobile-First
   ===================================================== */

/* ===== VARIABLES CSS ===== */
:root {
    /* Colores Acuáticos */
    --color-primary: #00ACC1;
    --color-primary-dark: #00838F;
    --color-primary-light: #26C6DA;
    --color-secondary: #FFD600;
    --color-secondary-dark: #FFA000;
    --color-accent: #00E676;
    --color-accent-dark: #00C853;

    /* Colores Base */
    --color-bg: #E0F7FA;
    --color-bg-card: #FFFFFF;
    --color-text: #01579B;
    --color-text-light: #0277BD;
    --color-border: #B3E5FC;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);

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

    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;

    /* Borders */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, var(--color-bg) 0%, #B2EBF2 100%);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* ===== CONTAINER ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* ===== NOTIFICATION BAR ===== */
.notification-bar {
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: white;
    padding: var(--spacing-sm);
    text-align: center;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    display: none;
}

.notification-bar.show {
    display: block;
    animation: slideDown 0.5s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }

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

/* ===== HEADER & NAVIGATION ===== */
.main-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: var(--spacing-sm) 0;
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: white;
    font-size: var(--font-size-xl);
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.logo i {
    font-size: var(--font-size-2xl);
    animation: wave 2s ease-in-out infinite;
}

@keyframes wave {

    0%,
    100% {
        transform: rotate(0deg);
    }

    25% {
        transform: rotate(-10deg);
    }

    75% {
        transform: rotate(10deg);
    }
}

/* Menú Hamburguesa */
.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 24px;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: white;
    border-radius: 3px;
    transition: var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Navegación */
.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 80px 20px 20px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    overflow-y: auto;
}

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

.nav-menu li {
    margin-bottom: var(--spacing-sm);
}

.nav-menu a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: white;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    font-weight: 500;
    transition: var(--transition-base);
}

.nav-menu a:hover,
.nav-menu a:focus {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

.nav-menu a i {
    font-size: var(--font-size-lg);
}

.admin-link {
    background: var(--color-secondary) !important;
    color: var(--color-text) !important;
}

/* Desktop Navigation */
@media (min-width: 1024px) {
    .menu-toggle {
        display: none;
    }

    .nav-menu {
        position: static;
        display: flex;
        flex-direction: row;
        width: auto;
        height: auto;
        background: transparent;
        padding: 0;
        box-shadow: none;
    }

    .nav-menu li {
        margin-bottom: 0;
        margin-left: var(--spacing-sm);
    }

    .nav-menu a:hover {
        transform: translateY(-2px);
    }
}

/* ===== MAIN CONTENT ===== */
.main-content {
    min-height: 70vh;
    padding: var(--spacing-lg) 0;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-secondary);
    color: var(--color-text);
    font-weight: 600;
    font-size: var(--font-size-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: none;
    cursor: pointer;
}

.btn:hover,
.btn:focus {
    background: var(--color-secondary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

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

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

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

.btn-large {
    font-size: var(--font-size-xl);
    padding: var(--spacing-md) var(--spacing-xl);
}

/* ===== CARDS ===== */
.card {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md);
    transition: var(--transition-base);
    border: 2px solid var(--color-border);
}

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

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-sm);
}

.card-title {
    color: var(--color-primary-dark);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.card-text {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

/* Grid de Cards */
.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

@media (min-width: 768px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: var(--transition-base);
    background: white;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 172, 193, 0.2);
}

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

/* ===== FOOTER ===== */
.main-footer {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, #004D5B 100%);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary);
}

.footer-section p,
.footer-section li {
    margin-bottom: var(--spacing-xs);
    opacity: 0.9;
}

.footer-section a:hover {
    color: var(--color-secondary);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition-base);
}

.social-links a:hover {
    background: var(--color-secondary);
    color: var(--color-text);
    transform: translateY(-3px);
}

.emergency-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: #D32F2F;
    border-radius: var(--border-radius-md);
    font-weight: 700;
    margin-top: var(--spacing-sm);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(211, 47, 47, 0.7);
    }

    50% {
        box-shadow: 0 0 0 10px rgba(211, 47, 47, 0);
    }
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom i {
    color: #FF5252;
}

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

.mb-1 {
    margin-bottom: var(--spacing-xs);
}

.mb-2 {
    margin-bottom: var(--spacing-sm);
}

.mb-3 {
    margin-bottom: var(--spacing-md);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.mt-1 {
    margin-top: var(--spacing-xs);
}

.mt-2 {
    margin-top: var(--spacing-sm);
}

.mt-3 {
    margin-top: var(--spacing-md);
}

.mt-4 {
    margin-top: var(--spacing-lg);
}

/* ===== RESPONSIVE HELPERS ===== */
.hide-mobile {
    display: none;
}

@media (min-width: 768px) {
    .hide-mobile {
        display: block;
    }

    .hide-desktop {
        display: none;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}