/* ============================================
   RESET Y VARIABLES GLOBALES
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Pacifico&display=swap');

:root {
    --color-primary: #6b3fa8;
    --color-secondary: #a97bc4;
    --color-dark: #5a3499;
    --color-light: #f5f0f8;
    --color-accent: #c9a8d8;
    --color-warm: #f5e6d3;
    --color-text: #4a3a60;
    --color-text-light: #7a6a8a;
    --color-white: #ffffff;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-logo: 'Pacifico', cursive;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 2rem;
    --font-size-2xl: 3rem;
    
    --shadow-sm: 0 2px 4px rgba(107, 63, 168, 0.08);
    --shadow-md: 0 8px 16px rgba(107, 63, 168, 0.12);
    --shadow-lg: 0 16px 32px rgba(107, 63, 168, 0.15);
    --shadow-xl: 0 24px 48px rgba(107, 63, 168, 0.18);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.6;
}

/* ============================================
   TIPOGRAFÍA
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.5px;
}

.section-title {
    font-size: var(--font-size-2xl);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-primary);
    position: relative;
    display: inline-block;
    width: 100%;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 5px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 3px;
    box-shadow: 0 4px 15px rgba(139, 107, 166, 0.3);
}

/* ============================================
   BOTONES
   ============================================ */

button {
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
    transition: var(--transition);
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 12px;
    font-size: var(--font-size-base);
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(139, 107, 166, 0.2);
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-dark));
    color: var(--color-white);
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--color-dark), #6b4fa8);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   CONTENEDORES
   ============================================ */

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

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

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 2.5rem;
        --font-size-2xl: 2rem;
    }
    
    section {
        padding: var(--spacing-lg) var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --font-size-2xl: 1.5rem;
    }
}

/* ============================================
   ANIMACIONES GLOBALES
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scale {
    from {
        transform: scale(0.95);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-in-up {
    animation: slideInUp 0.6s ease-out;
}

.slide-in-down {
    animation: slideInDown 0.6s ease-out;
}

.scale-in {
    animation: scale 0.6s ease-out;
}
/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */

.whatsapp-btn {
    position: fixed;
    bottom: 80px;
    right: 20px;
    background: #25d366;
    color: white;
    padding: 15px 20px;
    border-radius: 50px;
    text-decoration: none;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.whatsapp-btn:hover {
    background: #1ebd56;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.6);
    transform: translateY(-2px);
}

.whatsapp-btn:active {
    transform: translateY(0);
}

.whatsapp-btn svg {
    width: 24px;
    height: 24px;
    display: flex;
}

@media (max-width: 768px) {
    .whatsapp-btn {
        bottom: 100px;
        right: 15px;
        padding: 12px 16px;
        font-size: var(--font-size-sm);
    }
}