/* ==================== Modern Glassmorphism Portfolio - Theme Support ==================== */

/* ==================== CSS Variables - Dark Theme (Default) ==================== */
:root {
    /* Colors - Dark Theme (Space Luxury) */
    --bg-dark: #11121A;      /* space black */
    --bg-darker: #0a0b12;    /* deeper space black */
    --bg-card: rgba(246, 184, 200, 0.06);
    --bg-card-hover: rgba(246, 184, 200, 0.10);
    
    /* Accent Colors - Space Luxury Palette */
    --primary: #F6B8C8;      /* baby pink - main accent */
    --primary-light: #FFD6E0; /* lighter pink */
    --secondary: #8B7FA8;    /* galaxy purple */
    --accent: #68A77A;       /* tech green (Node hint) */
    --accent-purple: #8B7FA8;/* galaxy purple secondary */
    
    /* Text Colors */
    --text-primary: #f5f5f7;
    --text-secondary: #c9c3d8;
    --text-muted: #8B7FA8;
    
    /* Borders & Effects */
    --border-glass: 1px solid rgba(246, 184, 200, 0.15);
    --shadow-glass: 0 8px 32px 0 rgba(139, 127, 168, 0.25);
    --shadow-glow: 0 0 20px rgba(246, 184, 200, 0.25);
    --blur-glass: blur(4.5px);
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

/* ==================== CSS Variables - Light Theme ==================== */
[data-theme="light"] {
    /* Colors - Light Theme (Cream & Luxury) */
    --bg-dark: #F8F1E8;      /* creamy background */
    --bg-darker: #EDE6DC;    /* softer cream */
    --bg-card: rgba(139, 127, 168, 0.04);
    --bg-card-hover: rgba(139, 127, 168, 0.08);
    
    /* Accent & Palette (same as dark for consistency) */
    --primary: #F6B8C8;      /* baby pink (main accent) */
    --primary-light: #FFD6E0; /* lighter pink */
    --secondary: #8B7FA8;    /* galaxy purple */
    --secondary-alt: #8B7FA8; /* galaxy purple (same) */
    --accent: #68A77A;       /* tech green */
    --accent-purple: #8B7FA8;/* galaxy purple */

    /* translucent helpers */
    --primary-10: rgba(246,184,200,0.10);
    --primary-08: rgba(246,184,200,0.08);
    --secondary-10: rgba(139,127,168,0.10);
    
    /* Text Colors */
    --text-primary: #2a2a2e;
    --text-secondary: #5a555f;
    --text-muted: #8B7FA8;
    
    /* Borders & Effects */
    --border-glass: 1px solid rgba(246, 184, 200, 0.08);
    --shadow-glass: 0 8px 32px 0 rgba(139, 127, 168, 0.08);
    --shadow-glow: 0 0 20px rgba(246, 184, 200, 0.14);
    --blur-glass: blur(4.5px);
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Gradient Overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(246, 184, 200, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(139, 127, 168, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Light theme gentle overlays */
[data-theme="light"] body::before {
    background: radial-gradient(circle at 20% 50%, rgba(246, 184, 200, 0.04) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(139, 127, 168, 0.03) 0%, transparent 50%);
}

/* ==================== Container ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==================== Typography ==================== */
.section-title {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-weight: 400;
    letter-spacing: 0.02em;
}

.highlight {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== Navigation ==================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.7);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border-bottom: var(--border-glass);
    z-index: 1000;
    transition: var(--transition);
}

[data-theme="light"] .navbar {
    background: rgba(248, 250, 252, 0.7);
}

.navbar:hover {
    background: rgba(10, 14, 39, 0.8);
    box-shadow: var(--shadow-glass);
}

[data-theme="light"] .navbar:hover {
    background: rgba(248, 250, 252, 0.9);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    padding: 0 20px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.05em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 0.3s ease;
}

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

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

/* Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

/* Theme Toggle Button */
.theme-toggle {
    background: rgba(246, 184, 200, 0.1);
    border: 1px solid rgba(246, 184, 200, 0.2);
    color: var(--primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1.1rem;
}

.theme-toggle:hover {
    background: rgba(246, 184, 200, 0.2);
    border-color: rgba(246, 184, 200, 0.4);
    transform: scale(1.1);
}

.theme-toggle i {
    transition: var(--transition-fast);
}

.theme-toggle i.fa-sun {
    color: #fbbf24;
}

.theme-toggle i.fa-moon {
    color: var(--primary);
}

/* ==================== Hero Section ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 70px;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(246, 184, 200, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    top: -200px;
    right: -200px;
    animation: float 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(139, 127, 168, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -150px;
    left: -150px;
    animation: float 10s ease-in-out infinite reverse;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    animation: slideUp 0.8s ease;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.6rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    letter-spacing: 0.01em;
}

.hero-image {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.profile-circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    object-position: top;
    border: 4px solid var(--primary);
    box-shadow: 0 10px 30px rgba(255, 182, 193, 0.32), 0 0 20px rgba(255, 182, 193, 0.22);
    transition: var(--transition);
    animation: float-smooth 3s ease-in-out infinite;
}

.profile-circle:hover {
    border-color: var(--accent);
    box-shadow: 0 15px 40px rgba(246, 184, 200, 0.4), 0 0 30px rgba(104, 167, 122, 0.3);
    transform: translateY(-10px);
}}

[data-theme="light"] .profile-circle {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(107, 126, 255, 0.2), 0 0 15px rgba(107, 126, 255, 0.15);
}

[data-theme="light"] .profile-circle:hover {
    box-shadow: 0 15px 40px rgba(107, 126, 255, 0.25), 0 0 25px rgba(0, 217, 255, 0.2);
}

.status-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--primary-08);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 50px;
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    animation: pulse-glow 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    letter-spacing: 0.05em;
}

.status-badge::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #00ff00;
    border-radius: 50%;
    margin-right: 8px;
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 3rem;
}

/* ==================== Buttons ==================== */
.btn {
    padding: 14px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 1.5px solid;
    cursor: pointer;
    font-size: 1rem;
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-color: transparent;
    box-shadow: 0 0 20px rgba(246, 184, 200, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 40px rgba(246, 184, 200, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--primary);
    border-color: rgba(246, 184, 200, 0.4);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
}

.btn-secondary:hover {
    background: rgba(246, 184, 200, 0.1);
    color: var(--primary-light);
    box-shadow: 0 0 20px rgba(246, 184, 200, 0.3);
    transform: translateY(-3px);
}

/* ==================== About Section ==================== */
.about {
    padding: 120px 0;
    position: relative;
    z-index: 1;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
    align-items: flex-start;
    max-width: 800px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    letter-spacing: 0.01em;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat {
    padding: 20px;
    background: var(--bg-card);
    border: var(--border-glass);
    border-radius: 15px;
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    text-align: center;
    transition: var(--transition);
}

.stat:hover {
    background: var(--bg-card-hover);
    border-color: rgba(246, 184, 200, 0.3);
    box-shadow: var(--shadow-glow);
}

.stat h3 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--text-secondary);
    font-weight: 500;
}

.profile-photo {
    width: 300px;
    height: 300px;
    object-fit: cover;
    border-radius: 20px;
    border: var(--border-glass);
    display: block;
    margin: 0 auto;
    transition: var(--transition);
    box-shadow: var(--shadow-glass);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
}

.profile-photo:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(107, 126, 255, 0.4);
    box-shadow: var(--shadow-glass), var(--shadow-glow);
}

/* ==================== Projects Section ==================== */
.projects {
    padding: 120px 0;
    position: relative;
    z-index: 1;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--bg-card);
    border: var(--border-glass);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    cursor: pointer;
    group: true;
}

.project-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(107, 126, 255, 0.4);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glass), var(--shadow-glow);
}

.project-image {
    width: 100%;
    height: 250px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(107, 126, 255, 0.1), rgba(255, 107, 157, 0.05));
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

/* Tech Stack Overlay */
.tech-stack-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle, rgba(107, 126, 255, 0.3) 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    padding: 20px;
    flex-wrap: wrap;
}

.project-card:hover .tech-stack-overlay {
    opacity: 1;
}

.tech-badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 600;
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    letter-spacing: 0.05em;
}

.project-content {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    flex-grow: 1;
    line-height: 1.7;
    font-size: 0.95rem;
}

.project-tags {
    display: flex;
    gap: 10px;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.tag {
    background: rgba(246, 184, 200, 0.1);
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(246, 184, 200, 0.2);
    transition: var(--transition);
    letter-spacing: 0.05em;
}

.tag:hover {
    background: rgba(246, 184, 200, 0.2);
    border-color: rgba(246, 184, 200, 0.4);
}

/* ==================== Skills Section ==================== */
.skills {
    padding: 120px 0;
    position: relative;
    z-index: 1;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.skill-category {
    background: var(--bg-card);
    border: var(--border-glass);
    padding: 35px;
    border-radius: 20px;
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    transition: var(--transition);
}

.skill-category:hover {
    background: var(--bg-card-hover);
    border-color: rgba(107, 126, 255, 0.3);
    box-shadow: var(--shadow-glow);
}

.skill-category h3 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.skill-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-pill {
    padding: 10px 18px;
    background: rgba(246, 184, 200, 0.08);
    border: 1px solid rgba(246, 184, 200, 0.2);
    border-radius: 50px;
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: default;
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    letter-spacing: 0.02em;
}

.skill-pill:hover {
    background: rgba(246, 184, 200, 0.15);
    border-color: rgba(246, 184, 200, 0.4);
    box-shadow: 0 0 15px rgba(246, 184, 200, 0.3);
    transform: translateY(-3px);
}

/* Old skill-list for compatibility */
.skill-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-item span {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(107, 126, 255, 0.1);
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(246, 184, 200, 0.4);
    transition: width 1s ease;
}

/* ==================== Contact Section ==================== */
.contact-section {
    padding: 120px 0;
    position: relative;
    z-index: 1;
}

.underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    margin: 1rem auto 2rem;
    border-radius: 2px;
}

.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 3rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border: var(--border-glass);
    border-radius: 12px;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-glass);
    cursor: pointer;
    position: relative;
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
}

.contact-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.contact-card i:first-of-type {
    font-size: 1.5rem;
    color: var(--primary);
    min-width: 24px;
}

.contact-card span {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
    flex: 1;
}

.contact-card i:last-of-type {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-left: auto;
    opacity: 0;
    transform: translate(-5px, -5px);
    transition: var(--transition);
}

.contact-card:hover i:last-of-type {
    opacity: 1;
    transform: translate(0, 0);
    color: var(--accent);
}

/* ==================== Footer ==================== */
.footer {
    padding: 40px 0;
    border-top: var(--border-glass);
    background: rgba(10, 14, 39, 0.5);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    position: relative;
    z-index: 1;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    text-align: center;
}

.footer-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    letter-spacing: 0.01em;
}

.social-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.social-link {
    display: inline-flex;
    width: 45px;
    height: 45px;
    align-items: center;
    justify-content: center;
    background: rgba(107, 126, 255, 0.1);
    border: 1px solid rgba(107, 126, 255, 0.2);
    border-radius: 50%;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.2rem;
}

.social-link:hover {
    background: rgba(107, 126, 255, 0.2);
    border-color: rgba(107, 126, 255, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 0 15px rgba(107, 126, 255, 0.4);
}

/* ==================== Animations ==================== */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(30px);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(107, 126, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(107, 126, 255, 0.6);
    }
}

@keyframes float-smooth {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

/* ==================== Responsive Design ==================== */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 14, 39, 0.95);
        backdrop-filter: var(--blur-glass);
        padding: 20px;
        gap: 0;
    }

    .nav-link {
        padding: 12px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .profile-circle {
        width: 160px;
        height: 160px;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .card-container {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .profile-circle {
        width: 140px;
        height: 140px;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
}