/* ============================================
   PQnos Educativos - Rainbow Playhouse Theme
   ============================================ */

/* CSS Variables - Brand Colors */
:root {
    /* Rainbow Playhouse Colors */
    --color-sun: #FFD93D;
    --color-cherry: #E63946;
    --color-sky: #457B9D;
    --color-apple: #2A9D8F;
    --color-mango: #F4A261;
    --color-berry: #9D4EDD;
    --color-cream: #FFFBF0;
    --color-white: #FFFFFF;
    --color-dark: #2D3142;
    --color-gray: #E8E8E8;
    
    /* Fonts */
    --font-display: 'Baloo 2', cursive;
    --font-body: 'Nunito', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-playful: 0 4px 0 0 rgba(45, 49, 66, 0.1), 0 8px 24px -4px rgba(45, 49, 66, 0.12);
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-dark);
    background-color: var(--color-cream);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

a {
    color: var(--color-sky);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-cherry);
}

button {
    cursor: pointer;
    border: none;
    font-family: var(--font-display);
    font-weight: 600;
    transition: all 0.3s ease;
}

/* ============================================
   Container & Layout
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

/* ============================================
   Navbar
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.navbar-brand .logo {
    display: inline-block;
    transition: transform 0.3s ease;
}

.navbar-brand .logo:hover {
    transform: scale(1.05);
}

.logo-img {
    height: 60px;
    width: auto;
    display: block;
}

@media (max-width: 768px) {
    .logo-img {
        height: 50px;
    }
}

/* Desktop Menu */
.navbar-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-sm);
    align-items: center;
}

.navbar-item {
    position: relative;
}

.navbar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    color: var(--color-dark);
}

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

.navbar-link.active {
    background-color: var(--color-sun);
    color: var(--color-white);
    box-shadow: var(--shadow-playful);
}

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

.navbar-label {
    display: inline;
    white-space: nowrap;
}

/* Mobile Toggle */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    background-color: var(--color-sun);
    color: var(--color-white);
}

.navbar-toggle span {
    width: 24px;
    height: 3px;
    background-color: currentColor;
    border-radius: 2px;
    transition: all 0.3s ease;
}

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

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

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

@media (max-width: 768px) {
    .navbar-toggle {
        display: flex;
    }

    .navbar-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: var(--color-white);
        border-top: 3px solid var(--color-gray);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .navbar-menu.active {
        max-height: 500px;
    }

    .navbar-item {
        width: 100%;
        border-bottom: 1px solid var(--color-gray);
    }

    .navbar-link {
        width: 100%;
        padding: var(--spacing-md);
        border-radius: 0;
        justify-content: flex-start;
    }

    .navbar-link:hover {
        background-color: var(--color-gray);
    }

    .navbar-link.active {
        background-color: var(--color-sun);
    }

    .navbar-label {
        display: inline;
    }
}

/* ============================================
   Main Content
   ============================================ */

.main-content {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
}

@media (max-width: 768px) {
    .main-content {
        margin-top: 70px;
    }
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    position: relative;
    padding: var(--spacing-2xl) 0;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-cream) 0%, rgba(255, 217, 61, 0.1) 100%);
}

.hero-decorative {
    position: absolute;
    border-radius: 50%;
    opacity: 0.3;
    animation: float 3s ease-in-out infinite;
}

.hero-blob-1 {
    top: 40px;
    right: 40px;
    width: 200px;
    height: 200px;
    background: var(--color-sun);
    animation-delay: 0s;
}

.hero-blob-2 {
    bottom: 80px;
    left: 40px;
    width: 150px;
    height: 150px;
    background: var(--color-sky);
    animation-delay: 1s;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--color-dark);
    opacity: 0.8;
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-playful);
    border: 3px solid var(--color-white);
    animation: pop-in 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 0 0 rgba(45, 49, 66, 0.15), 0 12px 28px -4px rgba(45, 49, 66, 0.2);
}

.btn-primary:active {
    transform: scale(0.97);
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-sun);
    border: 3px solid var(--color-sun);
}

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

@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-xl) 0;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1rem;
    }
}

/* ============================================
   Cards Section
   ============================================ */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-xl) 0;
}

.card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 3px solid transparent;
    cursor: pointer;
    animation: pop-in 0.6s cubic-bezier(0.23, 1, 0.32, 1) both;
}

.card:nth-child(1) { animation-delay: 0s; }
.card:nth-child(2) { animation-delay: 0.1s; }
.card:nth-child(3) { animation-delay: 0.2s; }
.card:nth-child(4) { animation-delay: 0.3s; }
.card:nth-child(5) { animation-delay: 0.4s; }
.card:nth-child(6) { animation-delay: 0.5s; }

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-playful);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.card-description {
    font-size: 0.95rem;
    color: var(--color-dark);
    opacity: 0.7;
    margin-bottom: var(--spacing-md);
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-sky);
    font-weight: 600;
    transition: all 0.3s ease;
}

.card-link:hover {
    color: var(--color-cherry);
    transform: translateX(4px);
}

/* Card Colors */
.card-sun { border-top: 3px solid var(--color-sun); }
.card-cherry { border-top: 3px solid var(--color-cherry); }
.card-sky { border-top: 3px solid var(--color-sky); }
.card-apple { border-top: 3px solid var(--color-apple); }
.card-mango { border-top: 3px solid var(--color-mango); }
.card-berry { border-top: 3px solid var(--color-berry); }

/* ============================================
   Section Styles
   ============================================ */

section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-dark);
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: var(--color-dark);
    opacity: 0.7;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-bg-sun { background-color: rgba(255, 217, 61, 0.1); }
.section-bg-cherry { background-color: rgba(230, 57, 70, 0.1); }
.section-bg-sky { background-color: rgba(69, 123, 157, 0.1); }
.section-bg-apple { background-color: rgba(42, 157, 143, 0.1); }
.section-bg-mango { background-color: rgba(244, 162, 97, 0.1); }
.section-bg-berry { background-color: rgba(157, 78, 221, 0.1); }

/* ============================================
   Footer
   ============================================ */

.footer {
    background: linear-gradient(135deg, #FF6B9D 0%, #FFD93D 25%, #4ECDC4 50%, #667EEA 75%, #FF8C42 100%);
    background-size: 400% 400%;
    animation: gradient-shift 15s ease infinite;
    color: var(--color-white);
    position: relative;
    margin-top: var(--spacing-2xl);
    overflow: hidden;
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Playground Animation */
.footer-playground {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    overflow: hidden;
    opacity: 0.3;
}

.playground-item {
    position: absolute;
    font-size: 2.5rem;
    animation: float-around 8s infinite ease-in-out;
}

@keyframes float-around {
    0% { transform: translateX(-100px) translateY(0px) rotate(0deg); opacity: 0; }
    10% { opacity: 1; }
    50% { transform: translateX(300px) translateY(-40px) rotate(180deg); }
    90% { opacity: 1; }
    100% { transform: translateX(800px) translateY(0px) rotate(360deg); opacity: 0; }
}

.playground-item:nth-child(1) { animation-delay: 0s; left: 10%; }
.playground-item:nth-child(2) { animation-delay: 1.5s; left: 20%; }
.playground-item:nth-child(3) { animation-delay: 3s; left: 30%; }
.playground-item:nth-child(4) { animation-delay: 4.5s; left: 40%; }
.playground-item:nth-child(5) { animation-delay: 6s; left: 50%; }

.footer-wave {
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    height: 60px;
    overflow: hidden;
}

.footer-wave svg {
    width: 100%;
    height: 100%;
    display: block;
}

.footer-content {
    position: relative;
    padding: 100px 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
}

.footer-logo {
    height: 70px;
    width: auto;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-description {
    font-size: 0.95rem;
    line-height: 1.6;
    opacity: 0.9;
}

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

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-white);
    opacity: 0.9;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-links a:hover {
    opacity: 1;
    transform: translateX(4px);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.social-link:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

.footer-compliance {
    font-size: 0.85rem;
    opacity: 0.8;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.9rem;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        padding: var(--spacing-lg) 0 var(--spacing-md);
    }
}

/* ============================================
   Animations
   ============================================ */

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

@keyframes pop-in {
    0% {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-3deg); }
    75% { transform: rotate(3deg); }
}

@keyframes slide-in-left {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slide-in-right {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-pop-in {
    animation: pop-in 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.animate-slide-in-left {
    animation: slide-in-left 0.6s ease-out;
}

.animate-slide-in-right {
    animation: slide-in-right 0.6s ease-out;
}

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

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.2rem; }

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

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

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-md: 1rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-cta {
        flex-direction: column;
    }
}

/* Modern SVG Icons */
.icon-svg {
    width: 100%;
    height: 100%;
    display: block;
}

.card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 40px;
}

.card-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
    transition: transform 0.3s ease;
}

.card:hover .card-icon svg {
    transform: scale(1.1) rotate(5deg);
}

.feature-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}