/* ==========================================================================
   KOLOZZUS - SISTEMA DE DISEÑO GLOBAL & RESETS
   ========================================================================== */

:root {
    /* Brand Colors - Kolozzus Core */
    --color-bg-main: #0B0F17;
    --color-bg-secondary: #0F172A;
    --color-bg-card: #1E293B;
    --color-bg-card-hover: #26334D;
    
    /* Accents */
    --color-primary: #2563EB;
    --color-primary-hover: #1D4ED8;
    --color-primary-glow: rgba(37, 99, 235, 0.25);
    --color-cyan: #06B6D4;
    
    /* GOLIAK Brand Accent - Distinct Visual Identity */
    --color-goliak-primary: #10B981;
    --color-goliak-hover: #059669;
    --color-goliak-glow: rgba(16, 185, 129, 0.2);
    --color-goliak-card-bg: linear-gradient(145deg, #06201B 0%, #0F2D27 100%);
    --color-goliak-border: rgba(16, 185, 129, 0.35);

    /* Neutral Colors & Typography */
    --color-text-main: #F8FAFC;
    --color-text-muted: #94A3B8;
    --color-text-subtle: #64748B;
    --color-border: #334155;
    --color-border-light: rgba(255, 255, 255, 0.08);

    /* Typography & Spacing */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    /* Transitions & Shadows */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 25px rgba(37, 99, 235, 0.15);
    --shadow-goliak-glow: 0 0 30px rgba(16, 185, 129, 0.2);

    /* Layout */
    --container-max: 1240px;
    --header-height: 76px;
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    color-scheme: dark;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg-main);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Prevent horizontal scroll */
body.menu-open {
    overflow: hidden;
}

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

ul, ol {
    list-style: none;
}

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

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

button {
    cursor: pointer;
    background: none;
}

/* Container Utility */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

/* Typography Utilities */
.text-gradient-blue {
    background: linear-gradient(135deg, #60A5FA 0%, #2563EB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-cyan {
    background: linear-gradient(135deg, #38BDF8 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-goliak {
    background: linear-gradient(135deg, #34D399 0%, #10B981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.9rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: rgba(37, 99, 235, 0.12);
    color: #60A5FA;
    border: 1px solid rgba(37, 99, 235, 0.25);
    margin-bottom: 1rem;
}

.section-tag.goliak-tag {
    background: rgba(16, 185, 129, 0.12);
    color: #34D399;
    border-color: rgba(16, 185, 129, 0.3);
}

.section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 3.5rem auto;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Sections Styling */
.section-padding {
    padding: 6rem 0;
}

.bg-secondary {
    background-color: var(--color-bg-secondary);
}

/* Badges */
.badge-goliak {
    display: inline-block;
    background: var(--color-goliak-primary);
    color: #042F2E;
    font-weight: 700;
    font-size: 0.75rem;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}