/* ═══════════════════════════════════════════════════════════════
   MORPHYKUTAY PORTFOLIO — Ultra Modern Design
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
    /* Core palette */
    --bg-deep: #030712;
    --bg-primary: #0a0f1a;
    --bg-card: rgba(15, 23, 42, 0.6);
    --bg-glass: rgba(30, 41, 59, 0.4);
    --border-subtle: rgba(148, 163, 184, 0.08);
    --border-accent: rgba(34, 211, 238, 0.3);
    
    /* Accent gradient */
    --accent-cyan: #22d3ee;
    --accent-emerald: #34d399;
    --accent-violet: #a78bfa;
    --accent-pink: #f472b6;
    
    /* Text */
    --text-primary: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    
    /* Status */
    --danger: #ef4444;
    --success: #22c55e;
    
    /* Effects */
    --blur-sm: blur(12px);
    --blur-md: blur(24px);
    --blur-lg: blur(40px);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;
    
    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Sora', system-ui, sans-serif;
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ═══ Animated Gradient Mesh Background ═══ */
.gradient-mesh {
    position: fixed;
    inset: 0;
    z-index: -2;
    background: 
        radial-gradient(ellipse 100% 80% at 20% 10%, rgba(34, 211, 238, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 80% 60% at 80% 20%, rgba(167, 139, 250, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse 60% 80% at 50% 90%, rgba(52, 211, 153, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse 40% 40% at 70% 60%, rgba(244, 114, 182, 0.04) 0%, transparent 40%);
    animation: meshShift 20s ease-in-out infinite;
}

@keyframes meshShift {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

/* Grid overlay */
.grid-overlay {
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image: 
        linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 70%);
}

/* Glow line */
.glow-line {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), var(--accent-emerald), transparent);
    opacity: 0.8;
    z-index: 1000;
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ═══ Navigation — Glassmorphism ═══ */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    padding: 1rem 2rem;
    background: rgba(10, 15, 26, 0.7);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    border-bottom: 1px solid var(--border-subtle);
    transition: all 0.4s var(--ease-out-expo);
}

nav.scrolled {
    background: rgba(10, 15, 26, 0.9);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 600;
    font-size: 1.25rem;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-emerald));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color 0.3s var(--ease-out-expo);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-emerald));
    border-radius: var(--radius-full);
    transition: width 0.3s var(--ease-out-expo);
}

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

.nav-links a:hover::after {
    width: 100%;
}

/* ═══ Hero Section ═══ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 2rem 6rem;
    position: relative;
}

.hero-content {
    max-width: 900px;
}

.hero-content .reveal {
    opacity: 0;
    transform: translateY(30px);
}

.hero h1 {
    font-size: clamp(2.75rem, 7vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-muted) 50%, var(--accent-cyan) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 8s ease infinite;
}

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

.hero-content .reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.subtitle {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--accent-cyan);
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.tagline {
    color: var(--text-muted);
    font-size: 1.15rem;
    font-weight: 400;
    margin-bottom: 2rem;
}

/* Badges */
.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 2.5rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: var(--bg-glass);
    backdrop-filter: var(--blur-sm);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: all 0.3s var(--ease-spring);
}

.badge:hover {
    border-color: var(--border-accent);
    color: var(--accent-cyan);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(34, 211, 238, 0.15);
}

.badge.pro {
    border-color: rgba(52, 211, 153, 0.5);
    color: var(--accent-emerald);
    background: rgba(52, 211, 153, 0.08);
}

/* Social links */
.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    background: var(--bg-glass);
    backdrop-filter: var(--blur-sm);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s var(--ease-spring);
}

.social-links a:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 40px rgba(34, 211, 238, 0.2);
}

/* ═══ Sections ═══ */
section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

section.reveal {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

section.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    letter-spacing: -0.02em;
}

section h2::before {
    content: '';
    width: 5px;
    height: 2rem;
    background: linear-gradient(180deg, var(--accent-cyan), var(--accent-emerald));
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

/* ═══ About ═══ */
.about-content {
    display: grid;
    gap: 2rem;
}

.about-content p {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.8;
}

.cve-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 1.5rem 0;
}

.cve-badge {
    padding: 0.6rem 1.25rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.4);
    border-radius: var(--radius-md);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--danger);
    transition: all 0.3s var(--ease-spring);
}

.cve-badge:hover {
    background: rgba(239, 68, 68, 0.2);
    transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.2);
}

/* ═══ Tech Stack ═══ */
.tech-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tech-item {
    padding: 0.7rem 1.4rem;
    background: var(--bg-glass);
    backdrop-filter: var(--blur-sm);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: all 0.3s var(--ease-spring);
}

.tech-item:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(34, 211, 238, 0.15);
}

/* Stagger animation for tech items */
.tech-item.reveal-item {
    opacity: 0;
    transform: translateY(20px);
}

.tech-item.reveal-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ═══ Projects ═══ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--bg-glass);
    backdrop-filter: var(--blur-sm);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    display: block;
    position: relative;
    overflow: hidden;
    transition: all 0.5s var(--ease-out-expo);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-emerald));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-out-expo);
}

.project-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card.reveal-card {
    opacity: 0;
    transform: translateY(40px);
}

.project-card.reveal-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.project-card .lang {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.6rem;
    background: rgba(34, 211, 238, 0.15);
    color: var(--accent-cyan);
    border-radius: var(--radius-sm);
}

.project-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ═══ Contact ═══ */
.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.contact-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: var(--bg-glass);
    backdrop-filter: var(--blur-sm);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s var(--ease-spring);
}

.contact-item:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: translateY(-3px);
}

.donate-btn {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%) !important;
    border: none !important;
    color: #0a0f1a !important;
    font-weight: 700 !important;
}

.donate-btn:hover {
    transform: translateY(-3px) scale(1.03) !important;
    box-shadow: 0 15px 40px rgba(251, 191, 36, 0.4) !important;
}

/* ═══ Footer ═══ */
footer {
    text-align: center;
    padding: 4rem 2rem;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-dim);
    font-size: 0.95rem;
}

footer a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: color 0.2s;
}

footer a:hover {
    color: var(--accent-emerald);
}

footer p + p {
    margin-top: 0.5rem;
}

/* ═══ Mobile ═══ */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    nav {
        padding: 1rem 1.5rem;
    }

    .hero {
        padding: 6rem 1.5rem 4rem;
    }

    section {
        padding: 4rem 1.5rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }
}