/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&family=Fredoka:wght@400;500;600;700&display=swap');

/* Reset y configuración base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colores modernos y vibrantes para un sitio de mascotas */
    --primary-color: #FF6B6B;
    --secondary-color: #4ECDC4;
    --accent-color: #FFE66D;
    --purple-accent: #A8E6CF;
    --dark-color: #2C3E50;
    --light-color: #F8F9FA;
    --white: #FFFFFF;
    --text-color: #333333;
    --text-light: #6C757D;

    /* Gradientes modernos */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-hero: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-warm: linear-gradient(135deg, #fa709a 0%, #fee140 100%);

    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
    --shadow-xl: 0 12px 48px rgba(0,0,0,0.20);

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

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

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background: linear-gradient(to bottom right, #ffecd2 0%, #fcb69f 100%);
    background-attachment: fixed;
    overflow-x: hidden;
}

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

/* Header mejorado */
.site-header {
    background: var(--gradient-primary);
    color: white;
    padding: 1.5rem 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.6s ease-out;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo h1 {
    font-family: 'Fredoka', sans-serif;
    font-size: 2.2rem;
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo a {
    color: white;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    display: inline-block;
}

.logo a:hover {
    transform: scale(1.05) rotate(-2deg);
    text-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 1rem;
}

.main-nav a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.main-nav a:hover,
.main-nav a.active {
    background-color: rgba(255,255,255,0.25);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 3rem 0;
}

/* Hero Section mejorado */
.hero {
    background: var(--gradient-hero);
    color: white;
    padding: 5rem 3rem;
    border-radius: var(--radius-xl);
    margin-bottom: 3rem;
    text-align: center;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

.hero h1 {
    font-family: 'Fredoka', sans-serif;
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.3);
    position: relative;
    z-index: 1;
    animation: pulse 2s ease-in-out infinite;
}

.hero p {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
}

/* History Section mejorado */
.history-section {
    background: var(--white);
    padding: 4rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-out;
    border: 3px solid transparent;
    background-clip: padding-box;
    position: relative;
}

.history-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--radius-xl);
    padding: 3px;
    background: var(--gradient-warm);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    z-index: -1;
}

.history-section h2 {
    font-family: 'Fredoka', sans-serif;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 3rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 4px solid transparent;
    border-image: linear-gradient(90deg, var(--primary-color), var(--secondary-color)) 1;
}

.history-section h3 {
    color: var(--dark-color);
    font-size: 2rem;
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.history-content {
    display: grid;
    gap: 2.5rem;
}

.timeline-item {
    padding: 2rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-left: 6px solid;
    border-image: var(--gradient-secondary) 1;
    border-radius: var(--radius-md);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    position: relative;
    overflow: hidden;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.6s ease;
}

.timeline-item:hover::before {
    left: 100%;
}

.timeline-item:hover {
    transform: translateX(15px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-left-width: 8px;
}

.timeline-item h4 {
    font-family: 'Fredoka', sans-serif;
    color: var(--primary-color);
    font-size: 1.6rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.timeline-item p {
    line-height: 1.9;
    color: var(--text-color);
    font-size: 1.05rem;
}

/* Info Boxes mejorados */
.info-box {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    padding: 2rem;
    border-radius: var(--radius-lg);
    margin: 2.5rem 0;
    border-left: 6px solid var(--primary-color);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

.info-box h3 {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.info-box strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* Grid Layout for Features mejorado */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin: 3rem 0;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-warm);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.feature-card:hover::before {
    opacity: 0.1;
}

.feature-card:hover {
    transform: translateY(-10px) rotate(2deg);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-card h3 {
    font-family: 'Fredoka', sans-serif;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    font-size: 1.6rem;
    position: relative;
    z-index: 1;
}

.feature-card p {
    position: relative;
    z-index: 1;
}

/* Welcome Section mejorado */
.welcome-section {
    background: var(--white);
    padding: 4rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: 3rem;
    animation: fadeInUp 1.2s ease-out;
}

.welcome-section h2 {
    font-family: 'Fredoka', sans-serif;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.dog-breeds {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.breed-card {
    background: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
    padding: 3rem;
    border-radius: var(--radius-xl);
    border: 3px solid transparent;
    transition: all 0.4s ease;
    text-align: center;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.breed-card::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    border-radius: 50%;
}

.breed-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-xl);
    transform: scale(1.05) rotate(-1deg);
}

.breed-card h3 {
    font-family: 'Fredoka', sans-serif;
    color: var(--dark-color);
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(255,255,255,0.5);
}

.breed-card .icon {
    font-size: 5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

/* Botones mejorados */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--gradient-secondary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 1.1rem;
    margin-top: 1.5rem;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-xl);
}

.btn:active {
    transform: translateY(-1px) scale(1.02);
}

/* Footer mejorado */
.site-footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 4rem 0 2rem;
    margin-top: 4rem;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-warm);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-family: 'Fredoka', sans-serif;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-section a:hover {
    color: var(--accent-color);
    transform: translateX(5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
}

/* Responsive Design mejorado */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1.5rem;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 0.8rem;
        text-align: center;
        width: 100%;
    }

    .main-nav a {
        width: 100%;
    }

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

    .hero p {
        font-size: 1.1rem;
    }

    .history-section,
    .welcome-section {
        padding: 2rem;
    }

    .history-section h2,
    .welcome-section h2 {
        font-size: 2.2rem;
    }

    .features-grid,
    .dog-breeds {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .breed-card .icon {
        font-size: 4rem;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.8rem;
    }

    .hero {
        padding: 3rem 1.5rem;
    }

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

    .history-section h2,
    .welcome-section h2 {
        font-size: 1.8rem;
    }

    .timeline-item,
    .info-box {
        padding: 1.5rem;
    }

    .btn {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }
}

/* Elementos decorativos adicionales */
.icon::before {
    animation: shake 2s ease-in-out infinite;
}