/* ============================================
   FDECONO.COM - Purple Neon Cyberpunk Theme
   Matching imposter & the_knight aesthetics
   ============================================ */

:root {
    /* Colors */
    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --bg-card: rgba(15, 10, 25, 0.85);
    --bg-card-hover: rgba(25, 15, 40, 0.9);
    
    --neon-purple: #a855f7;
    --neon-purple-dim: #7c3aed;
    --neon-purple-bright: #c084fc;
    --neon-purple-dark: #6b21a8;
    --neon-pink: #ec4899;
    --neon-blue: #3b82f6;
    --neon-cyan: #22d3ee;
    --neon-green: #22c55e;
    --neon-red: #ef4444;
    --neon-yellow: #eab308;
    
    --text-primary: #f8fafc;
    --text-secondary: #b794f6;
    --text-muted: #94a3b8;
    
    --border-glow: rgba(168, 85, 247, 0.4);
    --shadow-glow: 0 0 20px rgba(168, 85, 247, 0.3);
    --shadow-glow-strong: 0 0 40px rgba(168, 85, 247, 0.5);
    
    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Container widths */
    --container-max: 1100px;
    --container-padding: 2rem;
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 500;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Background Effects */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(168, 85, 247, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(236, 72, 153, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* Scanlines overlay */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.1) 0px,
        rgba(0, 0, 0, 0.1) 1px,
        transparent 1px,
        transparent 2px
    );
    pointer-events: none;
    z-index: 1000;
    opacity: 0.3;
}

/* Noise overlay */
.noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 999;
}

/* ============================================
   LAYOUT & CONTAINERS
   ============================================ */

.page-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--container-padding);
}

@media (max-width: 640px) {
    .page-container {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero-section {
    text-align: center;
    padding: var(--spacing-4xl) 0;
    margin-bottom: var(--spacing-3xl);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 7vw, 4rem);
    font-weight: 900;
    color: var(--neon-purple);
    text-shadow: 
        0 0 10px var(--neon-purple),
        0 0 20px var(--neon-purple),
        0 0 40px var(--neon-purple);
    letter-spacing: 0.08em;
    margin-bottom: var(--spacing-xl);
    line-height: 1.2;
}

.hero-description {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.9;
    padding: 0 var(--spacing-md);
}

/* Name cycling animation container */
.name-cycle {
    position: relative;
    display: inline-block;
    height: 1.15em;
    min-width: 200px;
    text-align: center;
}

.name-primary,
.name-secondary {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    white-space: nowrap;
    line-height: 1.15em;
    will-change: opacity, transform, filter;
}

/* 
   Animation Timeline (8s total cycle):
   - Fefi: 60% = 4.8s visible
   - Federico: 40% = 3.2s visible
   
   0.0s - 0.3s: Glitch transition 
   0.3s - 5.1s: Fefi visible (4.8s = 60%)
   5.1s - 5.4s: Glitch transition
   5.4s - 8.0s: Federico visible (2.6s) + wraps to next cycle
*/

/* Fefi (secondary) - starts visible, 60% screen time */
.name-secondary {
    animation: fefi-cycle 8s infinite;
}

/* Federico Decono (primary) - starts hidden, 40% screen time */
.name-primary {
    animation: federico-cycle 8s infinite;
}

@keyframes fefi-cycle {
    /* Visible from start */
    0% {
        opacity: 1;
        transform: translateX(-50%) scale(1);
        filter: blur(0);
    }
    /* Stay visible for ~60% */
    58% {
        opacity: 1;
        transform: translateX(-50%) scale(1);
        filter: blur(0);
    }
    /* Glitch out */
    59% {
        opacity: 1;
        transform: translateX(-50%) skewX(15deg);
        filter: blur(0);
    }
    60% {
        opacity: 0.5;
        transform: translateX(-48%) skewX(-10deg);
        filter: blur(2px);
    }
    61% {
        opacity: 0.2;
        transform: translateX(-52%) skewX(8deg);
        filter: blur(3px);
    }
    62% {
        opacity: 0;
        transform: translateX(-50%) scale(0.95);
        filter: blur(4px);
    }
    /* Stay hidden */
    96% {
        opacity: 0;
        transform: translateX(-50%) scale(0.95);
        filter: blur(4px);
    }
    /* Glitch back in */
    97% {
        opacity: 0.3;
        transform: translateX(-52%) skewX(-10deg);
        filter: blur(3px);
    }
    98% {
        opacity: 0.6;
        transform: translateX(-48%) skewX(8deg);
        filter: blur(1px);
    }
    99% {
        opacity: 0.9;
        transform: translateX(-50%) skewX(-5deg);
        filter: blur(0);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) scale(1);
        filter: blur(0);
    }
}

@keyframes federico-cycle {
    /* Hidden at start */
    0% {
        opacity: 0;
        transform: translateX(-50%) scale(0.95);
        filter: blur(4px);
    }
    /* Stay hidden for ~60% */
    58% {
        opacity: 0;
        transform: translateX(-50%) scale(0.95);
        filter: blur(4px);
    }
    /* Glitch in */
    59% {
        opacity: 0.2;
        transform: translateX(-52%) skewX(-10deg);
        filter: blur(3px);
    }
    60% {
        opacity: 0.5;
        transform: translateX(-48%) skewX(8deg);
        filter: blur(2px);
    }
    61% {
        opacity: 0.8;
        transform: translateX(-50%) skewX(-5deg);
        filter: blur(1px);
    }
    62% {
        opacity: 1;
        transform: translateX(-50%) scale(1);
        filter: blur(0);
    }
    /* Stay visible */
    96% {
        opacity: 1;
        transform: translateX(-50%) scale(1);
        filter: blur(0);
    }
    /* Glitch out */
    97% {
        opacity: 0.8;
        transform: translateX(-50%) skewX(12deg);
        filter: blur(0);
    }
    98% {
        opacity: 0.4;
        transform: translateX(-48%) skewX(-8deg);
        filter: blur(2px);
    }
    99% {
        opacity: 0.1;
        transform: translateX(-52%) skewX(5deg);
        filter: blur(3px);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) scale(0.95);
        filter: blur(4px);
    }
}

/* Neon accent color */
.text-neon {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan), 0 0 20px var(--neon-cyan);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */

.projects-section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 700;
    color: var(--text-secondary);
    text-shadow: 0 0 15px rgba(183, 148, 246, 0.5);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.projects-grid {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2xl);
    }
}

@media (min-width: 960px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Project Cards */
.project-card-link {
    text-decoration: none;
    display: block;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    height: 100%;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(168, 85, 247, 0.1), transparent);
    transition: left 0.5s ease;
}

.project-card:hover::before {
    left: 100%;
}

.project-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--neon-purple);
    box-shadow: var(--shadow-glow);
    transform: translateY(-6px);
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.03em;
    text-shadow: 0 0 8px rgba(183, 148, 246, 0.4);
}

.project-description {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tech-badge {
    background: rgba(147, 51, 234, 0.2);
    border: 1px solid var(--neon-purple-dim);
    color: var(--neon-purple-bright);
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    text-shadow: 0 0 5px rgba(168, 85, 247, 0.5);
    transition: all 0.3s ease;
}

.tech-badge:hover {
    background: rgba(147, 51, 234, 0.35);
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.4);
}

/* ============================================
   FOOTER
   ============================================ */

footer {
    background: var(--bg-card) !important;
    border-top: 1px solid var(--border-glow) !important;
    color: var(--text-muted);
    font-family: var(--font-body);
    margin-top: var(--spacing-4xl) !important;
    padding: var(--spacing-xl) var(--container-padding) !important;
}

footer > div {
    max-width: var(--container-max);
}

footer a {
    color: var(--neon-purple) !important;
    transition: all 0.3s ease;
}

footer a:hover {
    color: var(--neon-purple-bright) !important;
    text-shadow: 0 0 10px var(--neon-purple);
}

/* ============================================
   TYPOGRAPHY BASE
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

p {
    color: var(--text-muted);
}

a {
    color: var(--neon-purple);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--neon-purple-bright);
    text-shadow: 0 0 10px var(--neon-purple);
}

/* ============================================
   SCROLLBAR
   ============================================ */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-purple-dim), var(--neon-purple-dark));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--neon-purple), var(--neon-purple-dim));
}

/* ============================================
   LEGACY TAILWIND OVERRIDES (for other pages)
   ============================================ */

.max-w-6xl {
    max-width: var(--container-max);
}

.bg-white {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-glow) !important;
    border-radius: var(--radius-lg) !important;
}

.bg-white:hover {
    background: var(--bg-card-hover) !important;
    border-color: var(--neon-purple) !important;
    box-shadow: var(--shadow-glow) !important;
    transform: translateY(-4px) !important;
}

.bg-blue-100 {
    background: rgba(147, 51, 234, 0.2) !important;
    border: 1px solid var(--neon-purple-dim) !important;
    color: var(--neon-purple-bright) !important;
    font-family: var(--font-display) !important;
    font-size: 0.65rem !important;
}

.bg-yellow-100 {
    background: rgba(234, 179, 8, 0.2) !important;
    border: 1px solid var(--neon-yellow) !important;
    color: var(--neon-yellow) !important;
    font-family: var(--font-display) !important;
    font-size: 0.65rem !important;
}

.text-gray-900 {
    color: var(--text-secondary) !important;
    font-family: var(--font-display);
}

.text-gray-600,
.text-gray-700 {
    color: var(--text-muted) !important;
}

.text-blue-600 {
    color: var(--neon-cyan) !important;
}

.text-blue-800 {
    color: var(--neon-purple-bright) !important;
}

.bg-blue-600 {
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-purple-dim)) !important;
    color: white !important;
    border: 1px solid var(--neon-purple) !important;
    font-family: var(--font-display);
    transition: all 0.3s ease;
}

.bg-blue-600:hover {
    transform: translateY(-2px) !important;
    box-shadow: var(--shadow-glow) !important;
}

.bg-gray-900 {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-glow) !important;
    color: var(--text-primary) !important;
}

.bg-gray-900:hover {
    background: var(--bg-card-hover) !important;
    box-shadow: var(--shadow-glow) !important;
}

input, textarea {
    font-family: var(--font-body);
    background: var(--bg-card) !important;
    border: 1px solid var(--border-glow) !important;
    border-radius: var(--radius-md) !important;
    color: var(--text-primary) !important;
    transition: all 0.3s ease;
}

input::placeholder, textarea::placeholder {
    color: var(--text-muted);
}

input:focus, textarea:focus {
    outline: none !important;
    border-color: var(--neon-purple) !important;
    box-shadow: var(--shadow-glow) !important;
}

.border, .border-gray-300 {
    border-color: var(--border-glow) !important;
}

.shadow-md, .shadow-lg {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3) !important;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease;
}