/*
 * ALYSA.CLOUD - CSS Principal
 * Material Design 3 + Estilo Corporativo Profesional
 * Desarrollador: Yolveiro Vanegas
 */

/* ===== VARIABLES CSS CORPORATIVAS (ALYSA CLOUD) ===== */
:root {
    /* Colores primarios corporativos - Basados en paleta empresarial */
    --color-primary: #4DAAA7;
    --color-primary-dark: #3F8F8B;
    --color-primary-light: #6BC5C2;
    --color-primary-container: rgba(77, 170, 167, 0.1);
    --color-on-primary: #ffffff;
    --color-on-primary-container: #2A6B68;
    
    /* Colores secundarios corporativos */
    --color-secondary: #333333;
    --color-secondary-dark: #2A2A2A;
    --color-secondary-light: #4A4A4A;
    --color-secondary-container: #F5F5F5;
    --color-on-secondary: #ffffff;
    --color-on-secondary-container: #1A1A1A;
    
    /* Colores de acento corporativos */
    --color-accent: #4DAAA7;
    --color-accent-dark: #3F8F8B;
    --color-accent-light: #6BC5C2;
    
    /* Colores de superficie */
    --color-surface: #ffffff;
    --color-surface-variant: #f5f5f5;
    --color-surface-container: #fafafa;
    --color-surface-dim: #f0f0f0;
    --color-surface-bright: #ffffff;
    --color-on-surface: #212121;
    --color-on-surface-variant: #757575;
    
    /* Colores de fondo */
    --color-background: #ffffff;
    --color-on-background: #212121;
    
    /* Colores de estado */
    --color-error: #D32F2F;
    --color-error-container: #ffebee;
    --color-on-error: #ffffff;
    --color-on-error-container: #b71c1c;
    
    --color-warning: #F57C00;
    --color-warning-container: #fff3e0;
    --color-on-warning: #ffffff;
    --color-on-warning-container: #e65100;
    
    --color-success: #2E7D32;
    --color-success-container: #e8f5e8;
    --color-on-success: #ffffff;
    --color-on-success-container: #1b5e20;
    
    --color-info: #4DAAA7;
    --color-info-container: rgba(77, 170, 167, 0.1);
    --color-on-info: #ffffff;
    --color-on-info-container: #2A6B68;
    
    /* Colores de texto */
    --color-text-primary: #212121;
    --color-text-secondary: #757575;
    --color-text-tertiary: #9e9e9e;
    --color-text-disabled: #bdbdbd;
    --color-text-inverse: #ffffff;
    
    /* Colores de outline/border */
    --color-outline: #e0e0e0;
    --color-outline-variant: #f5f5f5;
    --color-outline-focus: var(--color-primary);
    
    /* Sombras corporativas */
    --shadow-sm: 0 1px 3px rgba(77, 170, 167, 0.12), 0 1px 2px rgba(77, 170, 167, 0.24);
    --shadow-md: 0 3px 6px rgba(77, 170, 167, 0.16), 0 3px 6px rgba(77, 170, 167, 0.23);
    --shadow-lg: 0 10px 20px rgba(77, 170, 167, 0.19), 0 6px 6px rgba(77, 170, 167, 0.23);
    --shadow-xl: 0 14px 28px rgba(77, 170, 167, 0.25), 0 10px 10px rgba(77, 170, 167, 0.22);
    --shadow-2xl: 0 19px 38px rgba(77, 170, 167, 0.30), 0 15px 12px rgba(77, 170, 167, 0.22);
    
    /* Tipografía */
    --font-family-primary: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-family-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-family-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
    
    /* Tamaños de fuente (Material Type Scale) */
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */
    --font-size-5xl: 3rem;      /* 48px */
    --font-size-6xl: 3.75rem;   /* 60px */
    --font-size-7xl: 4.5rem;    /* 72px */
    
    /* Pesos de fuente */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-black: 900;
    
    /* Altura de línea */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.6;
    --line-height-loose: 2;
    
    /* Espaciado */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 2.5rem;   /* 40px */
    --spacing-3xl: 3rem;     /* 48px */
    --spacing-4xl: 4rem;     /* 64px */
    --spacing-5xl: 5rem;     /* 80px */
    --spacing-6xl: 6rem;     /* 96px */
    
    /* Radios de borde */
    --radius-none: 0;
    --radius-sm: 0.25rem;    /* 4px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    --radius-2xl: 1.5rem;    /* 24px */
    --radius-full: 9999px;
    
    /* Transiciones */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    --transition-bounce: 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-cinematic: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
    
    /* Breakpoints */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
    
    /* Variables específicas para el diseño corporativo */
    --hero-gradient: linear-gradient(135deg, #4DAAA7 0%, #3F8F8B 100%);
    --corporate-gradient: linear-gradient(45deg, #333333, #4A4A4A, #666666);
    --glow-primary: 0 0 20px rgba(77, 170, 167, 0.3);
    --glow-secondary: 0 0 20px rgba(51, 51, 51, 0.3);
    --blur-backdrop: blur(10px);
}

/* ===== TEMA OSCURO ===== */
[data-theme="dark"] {
    --color-surface: #121212;
    --color-surface-variant: #1e1e1e;
    --color-surface-container: #2d2d2d;
    --color-surface-dim: #0a0a0a;
    --color-surface-bright: #2d2d2d;
    --color-on-surface: #ffffff;
    --color-on-surface-variant: #b3b3b3;
    --color-background: #0a0a0a;
    --color-on-background: #ffffff;
    --color-text-primary: #ffffff;
    --color-text-secondary: #b3b3b3;
    --color-text-tertiary: #666666;
    --color-outline: #333333;
    --color-outline-variant: #2d2d2d;
}

/* ===== BODY BASE ===== */
body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    letter-spacing: 0.01em;
}

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

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

/* ===== HEADER/NAVEGACIÓN ===== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: var(--blur-backdrop);
    border-bottom: 1px solid var(--color-outline-variant);
    transition: all var(--transition-normal);
}

.main-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

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

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.navbar-brand .logo {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-xs);
}

.logo-primary {
    font-family: var(--font-family-secondary);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-black);
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.logo-secondary {
    font-family: var(--font-family-secondary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-secondary);
    letter-spacing: 0.1em;
}

/* Navegación */
.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

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

.nav-link {
    position: relative;
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    transition: all var(--transition-normal);
    border-radius: var(--radius-md);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.nav-link:hover,
.nav-link:focus,
.nav-link.active {
    color: var(--color-primary);
    background: var(--color-primary-container);
}

.nav-link:hover::after,
.nav-link:focus::after,
.nav-link.active::after {
    width: 100%;
}

/* Menu móvil toggle */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-normal);
    border-radius: 1px;
}

.navbar-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}

.navbar-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ===== PRELOADER CINEMATOGRÁFICO ===== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--cinematic-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    visibility: visible;
    transition: all 1s ease-in-out;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
    color: var(--color-text-inverse);
}

.alysa-logo-animation {
    margin-bottom: var(--spacing-xl);
}

.alysa-logo-animation .logo-text {
    font-family: var(--font-family-secondary);
    font-size: var(--font-size-6xl);
    font-weight: var(--font-weight-black);
    background: linear-gradient(45deg, #ffffff, #64b5f6, #ffffff);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 2s ease-in-out infinite;
    letter-spacing: -0.02em;
}

.alysa-logo-animation .logo-subtitle {
    font-family: var(--font-family-secondary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-medium);
    color: var(--color-secondary);
    letter-spacing: 0.2em;
    margin-top: var(--spacing-sm);
    display: block;
}

.loading-bar {
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: var(--spacing-xl) auto;
}

.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
    animation: loading 2s ease-in-out infinite;
}

.loading-text {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--spacing-md);
}

/* ===== HERO SECTION PROFESIONAL ===== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #334155 100%);
    color: white;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.animated-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, #667eea, #764ba2, #667eea, #764ba2);
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
    opacity: 0.9;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    text-align: center;
    color: var(--color-text-inverse);
    padding: var(--spacing-6xl) 0;
}

.hero-title {
    font-family: var(--font-family-secondary);
    font-size: var(--font-size-7xl);
    font-weight: var(--font-weight-black);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.03em;
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(50px);
    animation: titleReveal 1s ease-out forwards;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

.hero-subtitle {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-medium);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.6s forwards;
}

.hero-description {
    font-size: var(--font-size-xl);
    line-height: var(--line-height-relaxed);
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.8s forwards;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
    opacity: 0;
    animation: fadeInUp 1s ease-out 1s forwards;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-inverse);
}

.stat-label {
    display: block;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Hero Actions */
.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
    opacity: 0;
    animation: fadeInUp 1s ease-out 1.2s forwards;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    opacity: 0;
    animation: fadeInUp 1s ease-out 1.4s forwards;
}

.scroll-indicator span {
    display: block;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-line {
    width: 2px;
    height: 30px;
    background: rgba(255, 255, 255, 0.5);
    margin: 0 auto;
    animation: scrollPulse 2s ease-in-out infinite;
}

/* ===== ANIMACIONES ===== */
@keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes loading {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(0%); }
    100% { transform: translateX(100%); }
}

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

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

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

@keyframes scrollPulse {
    0%, 100% { opacity: 0.5; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .navbar-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-surface);
        border-top: 1px solid var(--color-outline);
        flex-direction: column;
        padding: var(--spacing-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .navbar-menu.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .navbar-nav {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-sm);
    }
    
    .nav-link {
        width: 100%;
        text-align: left;
    }
    
    .navbar-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: var(--font-size-5xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-xl);
    }
    
    .hero-description {
        font-size: var(--font-size-lg);
    }
    
    .logo-primary {
        font-size: var(--font-size-xl);
    }
    
    .logo-secondary {
        font-size: var(--font-size-base);
    }
}