/* ChromaWander - Gradient Design System */

:root {
    /* Gradientes Principales */
    --gradient-primary: linear-gradient(135deg, #FF6B6B 0%, #FFE66D 25%, #4ECDC4 50%, #556EE6 100%);
    --gradient-secondary: linear-gradient(135deg, #667EEA 0%, #764BA2 50%, #F093FB 100%);
    --gradient-tertiary: linear-gradient(135deg, #FA709A 0%, #FEE140 50%, #30CFD0 100%);
    --gradient-ocean: linear-gradient(135deg, #4FACFE 0%, #00F2FE 50%, #43E97B 100%);
    --gradient-fire: linear-gradient(135deg, #F857A6 0%, #FF5858 50%, #FFA726 100%);
    --gradient-sunset: linear-gradient(135deg, #FF512F 0%, #F09819 100%);
    --gradient-purple: linear-gradient(135deg, #A445B2 0%, #D41872 50%, #FF0066 100%);
    --gradient-blue: linear-gradient(135deg, #2E3192 0%, #1BFFFF 100%);

    /* Gradientes para overlays */
    --gradient-overlay-dark: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.7) 100%);
    --gradient-overlay-color: linear-gradient(135deg, rgba(102,126,234,0.8) 0%, rgba(118,75,162,0.8) 100%);

    /* Colores base */
    --color-bg: #F8F9FE;
    --color-bg-dark: #1A1D29;
    --color-white: #FFFFFF;
    --color-black: #2D3748;
    --color-gray-light: #E2E8F0;
    --color-gray: #A0AEC0;
    --color-gray-dark: #4A5568;

    /* Glassmorfismo */
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);

    /* Tipografía */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Espaciado */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 96px;

    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-black);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.75rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

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

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

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Gradient Text */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border: none;
    border-radius: 50px;
    font-family: var(--font-secondary);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-gradient {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: 0 4px 15px 0 rgba(255, 107, 107, 0.3);
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(255, 107, 107, 0.4);
}

.btn-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: var(--transition-slow);
}

.btn-gradient:hover::before {
    left: 100%;
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-black);
    border: 2px solid var(--color-gray-light);
}

.btn-secondary:hover {
    border-color: var(--color-gray);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 17px;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 14px;
}

/* Header */
.gradient-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition-normal);
}

.header-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1rem var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-primary);
}

.logo-icon {
    font-size: 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    font-family: var(--font-secondary);
    font-size: 15px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition-normal);
    position: relative;
}

.nav-link:hover {
    color: #667EEA;
}

.nav-link.active {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--gradient-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.btn-header {
    padding: 12px 24px;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-black);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--color-white);
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    z-index: 1001;
    transition: var(--transition-smooth);
    padding: var(--space-lg);
}

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

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.mobile-nav-link {
    padding: 15px;
    border-radius: 12px;
    font-weight: 500;
    transition: var(--transition-normal);
}

.mobile-nav-link:hover {
    background: var(--color-bg);
}

.mobile-nav-cta {
    background: var(--gradient-primary);
    color: var(--color-white);
    text-align: center;
    margin-top: var(--space-md);
}

/* Main Content */
main {
    margin-top: 80px;
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay-dark);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--color-white);
    max-width: 900px;
    padding: var(--space-xl);
}

.hero-title {
    font-size: 4rem;
    margin-bottom: var(--space-md);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--space-xl);
    opacity: 0.95;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Section */
.section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-2xl);
}

.section-title {
    font-size: 2.75rem;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-dark);
    line-height: 1.8;
}

.section-gradient {
    position: relative;
    background: var(--gradient-primary);
    color: var(--color-white);
}

/* Cards */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    padding: var(--space-lg);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.25);
}

.gradient-card {
    position: relative;
    background: var(--color-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    transition: var(--transition-smooth);
}

.gradient-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.gradient-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0,0,0,0.15);
}

/* Grid */
.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* Forms */
.form-group {
    margin-bottom: var(--space-md);
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
    color: var(--color-black);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 14px 20px;
    background: var(--color-white);
    border: 2px solid var(--color-gray-light);
    border-radius: 12px;
    font-family: var(--font-body);
    font-size: 15px;
    transition: var(--transition-normal);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: #667EEA;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.form-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray);
    transition: var(--transition-normal);
    pointer-events: none;
}

.form-group:focus-within .form-icon {
    color: #667EEA;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

/* Footer */
.gradient-footer {
    background: var(--color-bg-dark);
    color: var(--color-white);
    padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.footer-newsletter {
    background: var(--gradient-primary);
    border-radius: 20px;
    padding: var(--space-xl);
    margin-bottom: var(--space-2xl);
    text-align: center;
}

.newsletter-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.newsletter-title {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.newsletter-subtitle {
    font-size: 1.1rem;
    margin-bottom: var(--space-xl);
    opacity: 0.95;
}

.newsletter-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group-inline {
    display: flex;
    gap: var(--space-sm);
}

.form-group-inline input {
    flex: 1;
    padding: 16px 24px;
    border: none;
    border-radius: 50px;
    font-size: 15px;
}

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

.footer-title {
    font-size: 1.2rem;
    margin-bottom: var(--space-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: var(--color-gray);
    transition: var(--transition-normal);
}

.footer-nav a:hover {
    color: var(--color-white);
    padding-left: 10px;
}

.footer-nav i {
    width: 20px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-item {
    display: flex;
    gap: 15px;
    color: var(--color-gray);
}

.contact-item i {
    font-size: 1.2rem;
    color: #667EEA;
    margin-top: 4px;
}

.contact-item a {
    color: var(--color-gray);
    transition: var(--transition-normal);
}

.contact-item a:hover {
    color: var(--color-white);
}

.footer-description {
    color: var(--color-gray);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.footer-certifications {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.cert-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(102, 126, 234, 0.2);
    border-radius: 20px;
    font-size: 13px;
}

.footer-legal {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-xl);
    margin-top: var(--space-xl);
}

.legal-info {
    margin-bottom: var(--space-md);
    color: var(--color-gray);
    font-size: 14px;
}

.legal-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.legal-links a {
    color: var(--color-gray);
    font-size: 14px;
    transition: var(--transition-normal);
}

.legal-links a:hover {
    color: var(--color-white);
}

.footer-associations {
    margin: var(--space-md) 0;
}

.associations-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.association-badge {
    padding: 6px 12px;
    background: rgba(102, 126, 234, 0.15);
    border-radius: 20px;
    font-size: 13px;
    color: var(--color-gray);
}

.footer-copyright {
    text-align: center;
    color: var(--color-gray);
    font-size: 14px;
    margin-top: var(--space-lg);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    padding: var(--space-lg);
    z-index: 1000;
    transform: translateY(100%);
    transition: var(--transition-smooth);
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.cookie-content i {
    font-size: 2rem;
    color: #667EEA;
}

.cookie-text {
    flex: 1;
}

.cookie-text a {
    color: #667EEA;
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: var(--space-sm);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
}

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

.gradient-animated {
    background-size: 200% 200%;
    animation: gradient-shift 10s ease infinite;
}