/* 
  PORTAFOLIO DE CERO - SYSTEM DESIGN 
  Theme: Modern Dark Glass
*/

:root {
    /* Cores Base */
    --bg-main: #050505;
    --bg-secondary: #0a0a0a;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;

    /* Accent Colors */
    --brand-primary: #3b82f6;
    /* Blue 500 */
    --brand-glow: rgba(59, 130, 246, 0.5);
    --brand-secondary: #f97316;
    /* Orange 500 */

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: 12px;

    /* Spacing & Layout */
    --max-width: 1200px;
    --header-height: 80px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

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

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

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

/* Utility Classes */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.text-gradient {
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-accent {
    color: var(--brand-primary);
}

/* Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 99px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

.btn-primary {
    background: var(--brand-primary);
    color: white;
    box-shadow: 0 0 20px -5px var(--brand-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px -5px var(--brand-glow);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--text-secondary);
    background: var(--glass-bg);
}

/* Layout Elements */
header {
    height: var(--header-height);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
    background: rgba(5, 5, 5, 0.7);
}

header .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    text-decoration: none;
}

nav ul {
    display: flex;
    gap: 32px;
    list-style: none;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--text-primary);
}

/* Mobile Nav Trigger (Hidden on Desktop) */
.menu-trigger {
    display: none;
}

section {
    padding: 100px 0;
}

footer {
    padding: 60px 0;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    nav {
        display: none;
    }

    /* Simplified for initial step */
    .menu-trigger {
        display: block;
        color: white;
        cursor: pointer;
    }

    section {
        padding: 60px 0;
    }

    h1 {
        font-size: 2.5rem !important;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-actions {
        justify-content: center;
    }
}

/* Hero Section Styles */
.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-actions {
    display: flex;
    gap: 16px;
}