/* ========================================
   NEURAL SPECTRUM THEME
   Light Mode Default + Dark Mode Toggle
   ======================================== */

/* ===== LIGHT MODE (Default) ===== */
:root {
    --bg-body: #f0f4f8;
    --bg-card: rgba(255, 255, 255, 0.7);
    --bg-card-solid: #ffffff;
    --bg-card-hover: rgba(255, 255, 255, 0.9);

    --text-main: #0f172a;
    --text-muted: #475569;

    --primary: #0891b2;
    --primary-rgb: 8, 145, 178;
    --accent: #7c3aed;
    --accent-rgb: 124, 58, 237;

    --primary-glow: rgba(8, 145, 178, 0.15);
    --accent-glow: rgba(124, 58, 237, 0.15);

    --border: rgba(8, 145, 178, 0.18);
    --border-hover: rgba(8, 145, 178, 0.4);

    /* Typography */
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Effects */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-main: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 20px rgba(8, 145, 178, 0.12);
    --shadow-glow-accent: 0 0 20px rgba(124, 58, 237, 0.12);

    --glass-bg: rgba(255, 255, 255, 0.55);
    --glass-border: rgba(8, 145, 178, 0.2);
    --glass-blur: blur(20px);

    --canvas-particle: 8, 145, 178;
    --canvas-opacity: 0.4;
}

/* ===== DARK MODE (Toggle) ===== */
.dark-mode {
    --bg-body: #050816;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-solid: #0c1024;
    --bg-card-hover: rgba(255, 255, 255, 0.08);

    --text-main: #f0f4ff;
    --text-muted: #94a3b8;

    --primary: #00f5ff;
    --primary-rgb: 0, 245, 255;
    --accent: #8a2be2;
    --accent-rgb: 138, 43, 226;

    --primary-glow: rgba(0, 245, 255, 0.2);
    --accent-glow: rgba(138, 43, 226, 0.2);

    --border: rgba(0, 245, 255, 0.12);
    --border-hover: rgba(0, 245, 255, 0.35);

    --shadow-main: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 25px rgba(0, 245, 255, 0.15);
    --shadow-glow-accent: 0 0 25px rgba(138, 43, 226, 0.15);

    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(0, 245, 255, 0.15);
    --glass-blur: blur(20px);

    --canvas-particle: 0, 245, 255;
    --canvas-opacity: 1;
}

/* Light mode specifics (default) */
#network-canvas {
    opacity: 0.35;
}

.dark-mode #network-canvas {
    opacity: 1;
}

.dark-mode .header {
    background-color: rgba(5, 8, 22, 0.85);
    border-bottom: 1px solid rgba(0, 245, 255, 0.08);
}

.dark-mode .hero-profile-img {
    box-shadow: 0 0 0 3px var(--primary), 0 0 50px rgba(0, 245, 255, 0.3), 0 0 80px rgba(138, 43, 226, 0.15);
}

.dark-mode .hero-image-container:hover .hero-profile-img {
    box-shadow: 0 0 0 3px var(--primary), 0 0 60px rgba(0, 245, 255, 0.5), 0 0 100px rgba(138, 43, 226, 0.3);
}

.dark-mode .timeline-dot {
    background-color: var(--bg-body);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 85px;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* ========== Canvas Background ========== */
#network-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

/* Ambient glow */
body::before {
    content: "";
    position: fixed;
    width: 1200px;
    height: 1200px;
    background: radial-gradient(circle, rgba(0, 245, 255, 0.08) 0%, transparent 70%);
    top: -400px;
    left: -400px;
    z-index: 0;
    pointer-events: none;
    transition: background 0.4s ease;
}

body::after {
    content: "";
    position: fixed;
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(138, 43, 226, 0.06) 0%, transparent 70%);
    bottom: -300px;
    right: -300px;
    z-index: 0;
    pointer-events: none;
    transition: background 0.4s ease;
}

/* ========== Typography ========== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main);
}

h1 {
    font-size: 3rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.25rem;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* ========== Utilities ========== */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.section {
    padding: 30px 0;
    position: relative;
    z-index: 1;
}

.text-center {
    text-align: center;
}

.text-gradient {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.mono {
    font-family: var(--font-mono);
}

.mobile-only {
    display: none;
}

/* ========== Glass Card (shared) ========== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 30px;
    transition: var(--transition);
}

.glass-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    transition: var(--transition);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    color: white;
    box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.2), 0 0 20px rgba(var(--accent-rgb), 0.2);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 35px rgba(var(--primary-rgb), 0.35), 0 0 35px rgba(var(--accent-rgb), 0.35);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--border);
    color: var(--text-main);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background-color: rgba(var(--primary-rgb), 0.08);
    box-shadow: var(--shadow-glow);
}

.btn-link {
    padding: 0;
    color: var(--primary);
    font-family: var(--font-sans);
    font-weight: 600;
}

.btn-link:hover {
    color: var(--accent);
}

/* ========== Header ========== */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
    background-color: rgba(240, 244, 248, 0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.08);
}

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

.logo {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-main);
}

.logo span {
    color: var(--primary);
}

/* Nav Layout */
.nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-list a {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 0.3s ease;
}

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

.nav-list a:hover,
.nav-list a.active {
    color: var(--primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Theme Toggle Button */
.theme-toggle {
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    transition: var(--transition);
    background-color: transparent;
    border: 1px solid var(--border);
}

.theme-toggle:hover {
    background-color: rgba(var(--primary-rgb), 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

/* Hamburger */
.hamburger {
    display: none;
    cursor: pointer;
    width: 36px;
    height: 36px;
    position: relative;
    z-index: 1001;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--border);
    transition: var(--transition);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.hamburger:hover {
    background-color: rgba(var(--primary-rgb), 0.1);
    border-color: var(--primary);
}

.hamburger .bar {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--text-main);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger.active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
    transform: translateX(-5px);
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 769px) {
    .hamburger {
        display: none;
    }
}

/* ========== Hero Section ========== */
.hero {
    min-height: auto;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    padding-bottom: 30px;
}

.hero-bg {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: 50%;
    height: 80%;
    background: radial-gradient(circle at center, rgba(var(--primary-rgb), 0.06) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 30px;
}

.hero-label {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(var(--primary-rgb), 0.08);
    border: 1px solid rgba(var(--primary-rgb), 0.25);
    border-radius: 4px;
    color: var(--primary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.hero-text h1 {
    margin-bottom: 10px;
}

.hero-text p {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 500px;
    margin-bottom: 18px;
}

.typewriter {
    border-right: 2px solid var(--primary);
    animation: blink 0.75s step-end infinite;
}

#typewriter-text {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

.hero-buttons {
    display: flex;
    gap: 12px;
}

/* Profile Image */
.hero-image-container {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 10;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.hero-profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--bg-body);
    box-shadow: 0 0 0 3px var(--primary), 0 0 50px rgba(var(--primary-rgb), 0.3), 0 0 80px rgba(var(--accent-rgb), 0.15);
    transition: var(--transition);
    position: absolute;
    top: 0;
    left: 0;
}

.main-img {
    z-index: 1;
    opacity: 1;
}

.hover-img {
    z-index: 2;
    opacity: 0;
}

.hero-image-container:hover .hover-img {
    opacity: 1;
}

.hero-image-container:hover .hero-profile-img {
    transform: scale(1.02);
    box-shadow: 0 0 0 3px var(--primary), 0 0 60px rgba(var(--primary-rgb), 0.5), 0 0 100px rgba(var(--accent-rgb), 0.3);
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(0px);
    }
}

/* Tech Stack (Hero) */
.tech-stack {
    margin-top: 25px;
    padding-top: 15px;
    border-top: 1px solid var(--border);
}

.tech-stack p {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tech-icons {
    display: flex;
    gap: 18px;
    font-size: 1.5rem;
    color: var(--text-muted);
}

.tech-icons i {
    transition: var(--transition);
}

.tech-icons i:hover {
    color: var(--primary);
    transform: translateY(-2px);
    text-shadow: 0 0 20px rgba(var(--primary-rgb), 0.5);
}

/* ========== About Section ========== */
.about-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    padding: 35px;
    max-width: 900px;
    margin: 0 auto;
    transition: var(--transition);
}

.about-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.about-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.about-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: white;
    flex-shrink: 0;
}

.about-header h2 {
    margin: 0;
}

.about-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 2px;
}

.about-body p {
    color: var(--text-muted);
    margin-bottom: 10px;
    font-size: 0.95rem;
    line-height: 1.7;
}

.about-body p strong {
    color: var(--text-main);
}

/* About Info Grid */
.about-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.about-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(var(--primary-rgb), 0.04);
    border: 1px solid rgba(var(--primary-rgb), 0.08);
    border-radius: 10px;
    transition: var(--transition);
}

.about-info-item:hover {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.08);
}

.about-info-item i {
    color: var(--primary);
    font-size: 1rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.about-info-item .info-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: var(--font-mono);
}

.about-info-item .info-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 20px;
}

.stat-item {
    background: rgba(var(--primary-rgb), 0.04);
    border: 1px solid rgba(var(--primary-rgb), 0.1);
    padding: 18px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
    background: rgba(var(--primary-rgb), 0.08);
}

.stat-item h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 4px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item p {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========== Skills Section ========== */
.skills-wrapper {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    padding: 30px;
    transition: var(--transition);
}

.skills-wrapper:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 0;
}

.skill-card {
    background: rgba(var(--primary-rgb), 0.04);
    border: 1px solid rgba(var(--primary-rgb), 0.1);
    border-radius: 12px;
    padding: 24px 18px;
    text-align: center;
    transition: var(--transition);
    height: 100%;
}

.skill-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 0 25px rgba(var(--primary-rgb), 0.12);
    background: rgba(var(--primary-rgb), 0.08);
}

.skill-icon {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 12px;
    display: inline-block;
}

.skill-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.skill-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ========== Experience Section ========== */
.experience-wrapper {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    padding: 30px;
    transition: var(--transition);
}

.experience-wrapper:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.timeline {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    border-left: 2px solid var(--border);
    padding-left: 25px;
}

.timeline-item {
    position: relative;
    margin-bottom: 20px;
    padding: 16px 18px;
    background: rgba(var(--primary-rgb), 0.03);
    border: 1px solid rgba(var(--primary-rgb), 0.08);
    border-radius: 12px;
    transition: var(--transition);
}

.timeline-item:hover {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.06);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -34px;
    top: 20px;
    width: 14px;
    height: 14px;
    background-color: var(--bg-body);
    border: 2px solid var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.3);
}

.timeline-date {
    display: inline-block;
    margin-bottom: 6px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--primary);
}

.timeline-item h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.timeline-item h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 8px;
}

.timeline-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========== Projects Section ========== */
.projects-wrapper {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    padding: 30px;
    transition: var(--transition);
}

.projects-wrapper:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 0;
}

.project-card {
    background: rgba(var(--primary-rgb), 0.04);
    border: 1px solid rgba(var(--primary-rgb), 0.1);
    border-radius: 12px;
    padding: 20px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 0 25px rgba(var(--primary-rgb), 0.12);
    background: rgba(var(--primary-rgb), 0.08);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.folder-icon {
    font-size: 2rem;
    color: var(--primary);
}

.project-links {
    display: flex;
    gap: 12px;
    font-size: 1.1rem;
    color: var(--text-muted);
}

.project-links a:hover {
    color: var(--primary);
    text-shadow: 0 0 15px rgba(var(--primary-rgb), 0.5);
}

.project-card h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.project-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
    flex-grow: 1;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.tag {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    padding: 3px 10px;
    border-radius: 4px;
}

/* ========== Gallery Section ========== */
.gallery-wrapper {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    padding: 30px;
    transition: var(--transition);
}

.gallery-wrapper:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 3/2;
    border: 1px solid rgba(var(--primary-rgb), 0.1);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 0 25px rgba(var(--primary-rgb), 0.15);
    border-color: var(--primary);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 18px;
    background: linear-gradient(transparent, rgba(5, 8, 22, 0.9));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-title {
    color: white;
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.gallery-category {
    color: var(--primary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    background: rgba(var(--primary-rgb), 0.15);
    padding: 2px 8px;
    border-radius: 4px;
    width: fit-content;
}

/* Lightbox Modal */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 8, 22, 0.95);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding: 40px;
    backdrop-filter: blur(15px);
}

.lightbox.active {
    display: flex;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 2.5rem;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10000;
}

.lightbox-close:hover {
    color: var(--primary);
    transform: scale(1.1);
}

#lightbox-img {
    max-width: 90%;
    max-height: 80vh;
    border-radius: 14px;
    box-shadow: 0 10px 60px rgba(0, 0, 0, 0.6);
    animation: lightboxFadeIn 0.3s ease;
}

#lightbox-caption {
    color: white;
    font-size: 1.1rem;
    margin-top: 15px;
    text-align: center;
    font-weight: 500;
}

@keyframes lightboxFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ========== Testimonials Section ========== */
#testimonials {
    padding: 60px 0;
}

#testimonials .section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header {
    text-align: center;
}

.section-subtitle {
    color: var(--text-muted);
    max-width: 500px;
    margin: 15px auto 0;
    font-size: 0.95rem;
}

.testimonials-wrapper {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    padding: 30px;
    transition: var(--transition);
}

.testimonials-wrapper:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.testimonial-slider {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.testimonial-slides {
    position: relative;
    overflow: hidden;
}

.testimonial-slide {
    display: none;
    animation: fadeIn 0.5s ease;
}

.testimonial-slide.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.testimonial-card {
    background: rgba(var(--primary-rgb), 0.04);
    border: 1px solid rgba(var(--primary-rgb), 0.1);
    border-radius: 14px;
    padding: 28px;
    text-align: center;
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.06);
}

.testimonial-rating {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 18px;
}

.testimonial-rating i {
    color: #f59e0b;
    font-size: 1rem;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-main);
    margin-bottom: 22px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.author-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--primary);
    flex-shrink: 0;
    box-shadow: 0 0 12px rgba(var(--primary-rgb), 0.2);
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info {
    text-align: left;
}

.author-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
    color: var(--text-main);
}

.author-info p {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* Navigation Arrows */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(var(--primary-rgb), 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

.slider-arrow:hover {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-color: transparent;
    color: white;
    box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.3);
}

.slider-prev {
    left: -55px;
}

.slider-next {
    right: -55px;
}

/* Dots Navigation */
.slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 25px;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dot:hover {
    background: var(--text-muted);
}

.slider-dot.active {
    background: var(--primary);
    width: 28px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.4);
}

/* ========== Contact Section ========== */
.contact-wrapper {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    padding: 35px;
    max-width: 650px;
    margin: 0 auto;
    transition: var(--transition);
}

.contact-wrapper:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.email-box {
    margin: 15px 0;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 25px;
    background: rgba(var(--primary-rgb), 0.04);
    border: 1px solid rgba(var(--primary-rgb), 0.1);
    border-radius: 10px;
}

.email-link {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-main);
}

/* Contact Form */
.contact-form {
    max-width: 500px;
    margin: 0 auto 25px;
    text-align: left;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group {
    margin-bottom: 12px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 13px 18px;
    background: rgba(var(--primary-rgb), 0.03);
    border: 1px solid rgba(var(--primary-rgb), 0.12);
    border-radius: 10px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--text-main);
    transition: var(--transition);
    outline: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.12);
}

.form-group textarea {
    resize: vertical;
    min-height: 110px;
}

.contact-form .btn {
    width: 100%;
    justify-content: center;
    padding: 13px 24px;
    font-size: 1rem;
}

.divider-text {
    display: flex;
    align-items: center;
    margin: 22px 0;
}

.divider-text::before,
.divider-text::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.divider-text span {
    padding: 0 15px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Socials */
.socials {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 12px;
}

.social-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(var(--primary-rgb), 0.04);
    border: 1px solid rgba(var(--primary-rgb), 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.social-icon:hover {
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 18px rgba(var(--primary-rgb), 0.2);
    transform: translateY(-2px);
}

/* ========== Footer ========== */
footer {
    padding: 20px 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    position: relative;
    z-index: 1;
}

.footer-link {
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition);
}

.footer-link:hover {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========== 404 Page ========== */
.error-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
}

.error-title {
    font-size: 8rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 10px;
    font-family: var(--font-mono);
}

.error-text {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   RESPONSIVE
   ======================================== */

/* Tablet */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .section {
        padding: 25px 0;
    }

    #testimonials {
        padding: 50px 0;
    }

    .testimonial-slider {
        max-width: 500px;
    }

    .slider-prev {
        left: -48px;
    }

    .slider-next {
        right: -48px;
    }

    .about-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    .mobile-only {
        display: block;
    }

    .section {
        padding: 20px 0;
    }

    .header {
        padding: 10px 0;
    }

    .hero {
        padding-top: 70px;
        padding-bottom: 20px;
    }

    .hamburger {
        display: flex;
    }

    /* Mobile Nav */
    .nav-list {
        position: fixed;
        top: 0;
        right: -280px;
        width: 260px;
        height: 100vh;
        background-color: rgba(240, 244, 248, 0.97);
        backdrop-filter: blur(25px);
        -webkit-backdrop-filter: blur(25px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 80px 30px 30px;
        transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
        gap: 8px;
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
        border-left: 1px solid var(--border);
    }

    .dark-mode .nav-list {
        background-color: rgba(5, 8, 22, 0.97);
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.4);
    }

    .nav-list.active {
        right: 0;
    }

    .nav-list li {
        width: 100%;
    }

    .nav-list a {
        display: block;
        font-size: 1rem;
        font-weight: 500;
        padding: 12px 16px;
        border-radius: 8px;
        color: var(--text-main);
        opacity: 0;
        transform: translateX(20px);
        transition: all 0.3s ease;
    }

    .nav-list a::after {
        display: none;
    }

    .nav-list a:hover {
        background-color: rgba(var(--primary-rgb), 0.08);
        color: var(--primary);
    }

    .nav-list.active a {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-list.active li:nth-child(1) a {
        transition-delay: 0.05s;
    }

    .nav-list.active li:nth-child(2) a {
        transition-delay: 0.1s;
    }

    .nav-list.active li:nth-child(3) a {
        transition-delay: 0.15s;
    }

    .nav-list.active li:nth-child(4) a {
        transition-delay: 0.2s;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-label {
        margin-top: 20px;
        display: inline-block;
    }

    .hero-text p {
        margin: 0 auto 15px;
    }

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

    .tech-stack {
        text-align: center;
        margin-top: 20px;
        padding-top: 12px;
    }

    .tech-icons {
        justify-content: center;
        flex-wrap: wrap;
        gap: 15px;
    }

    .hero-image-container {
        width: 240px;
        height: 240px;
        margin-top: 20px;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-profile-img {
        border-width: 3px;
    }

    .about-card {
        padding: 22px;
    }

    .about-header {
        flex-direction: column;
        text-align: center;
    }

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

    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }

    .stat-item h3 {
        font-size: 1.4rem;
    }

    .skills-wrapper,
    .experience-wrapper,
    .projects-wrapper,
    .gallery-wrapper,
    .testimonials-wrapper,
    .contact-wrapper {
        padding: 20px;
    }

    .timeline {
        padding-left: 20px;
    }

    .timeline-item {
        margin-bottom: 12px;
        padding: 14px;
    }

    .timeline-dot {
        left: -28px;
    }

    .contact-container {
        padding: 0;
    }

    .contact-form {
        max-width: 100%;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .form-group input,
    .form-group textarea {
        padding: 12px 15px;
        font-size: 0.9rem;
    }

    .contact-form .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .divider-text {
        margin: 18px 0;
    }

    .socials {
        flex-wrap: wrap;
        gap: 10px;
    }

    /* Gallery */
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .gallery-title {
        font-size: 0.9rem;
    }

    .gallery-overlay {
        padding: 12px;
        opacity: 1;
    }

    /* Testimonials */
    #testimonials {
        padding: 40px 0;
    }

    .testimonial-slider {
        max-width: 100%;
        padding: 0 45px;
    }

    .slider-arrow {
        width: 34px;
        height: 34px;
    }

    .slider-prev {
        left: 0;
    }

    .slider-next {
        right: 0;
    }

    .testimonial-card {
        padding: 22px 18px;
    }

    .testimonial-text {
        font-size: 0.92rem;
    }

    .author-avatar {
        width: 46px;
        height: 46px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    h1 {
        font-size: 1.6rem;
    }

    h2 {
        font-size: 1.4rem;
    }

    .section {
        padding: 15px 0;
    }

    .container {
        padding: 0 12px;
    }

    .hero {
        padding-top: 60px;
        padding-bottom: 15px;
    }

    .hero-label {
        font-size: 0.7rem;
        padding: 3px 8px;
    }

    .hero-text p {
        font-size: 0.9rem;
    }

    .hero-buttons {
        flex-direction: row;
        width: 100%;
        gap: 8px;
        justify-content: center;
    }

    .btn {
        padding: 8px 12px;
        font-size: 0.75rem;
        flex: 1;
        justify-content: center;
    }

    .tech-stack {
        margin-top: 15px;
        padding-top: 10px;
    }

    .tech-icons {
        font-size: 1.3rem;
        gap: 12px;
    }

    .hero-image-container {
        width: 180px;
        height: 180px;
    }

    .about-card {
        padding: 18px;
    }

    .about-icon {
        width: 42px;
        height: 42px;
        font-size: 1.2rem;
    }

    .about-info-item {
        padding: 10px 12px;
    }

    .about-body p {
        font-size: 0.88rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .stat-item h3 {
        font-size: 1.2rem;
    }

    .stat-item p {
        font-size: 0.7rem;
    }

    .skills-wrapper,
    .experience-wrapper,
    .projects-wrapper,
    .gallery-wrapper,
    .testimonials-wrapper,
    .contact-wrapper {
        padding: 16px;
        border-radius: 14px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .project-card {
        padding: 14px;
    }

    .project-card h3 {
        font-size: 1.05rem;
    }

    .project-card p {
        font-size: 0.85rem;
        margin-bottom: 12px;
    }

    .timeline {
        padding-left: 15px;
    }

    .timeline-dot {
        width: 10px;
        height: 10px;
        left: -21px;
    }

    .timeline-item {
        margin-bottom: 10px;
        padding: 12px;
    }

    .timeline-item h3 {
        font-size: 1rem;
    }

    .timeline-item p {
        font-size: 0.85rem;
    }

    .email-box {
        flex-direction: column;
        padding: 12px;
        width: 100%;
        gap: 8px;
    }

    .email-link {
        font-size: 0.9rem;
        word-break: break-all;
    }

    .socials {
        gap: 10px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .social-icon {
        width: 46px;
        height: 46px;
        font-size: 1.1rem;
    }

    .social-icon:hover {
        transform: translateY(-3px);
    }

    .contact-form {
        padding: 0;
    }

    .form-group {
        margin-bottom: 10px;
    }

    .form-group input,
    .form-group textarea {
        padding: 12px 14px;
        font-size: 0.95rem;
        border-radius: 10px;
    }

    .form-group textarea {
        min-height: 110px;
    }

    .contact-form .btn {
        padding: 13px 20px;
        font-size: 0.95rem;
        border-radius: 10px;
    }

    .divider-text {
        margin: 18px 0;
    }

    .divider-text span {
        font-size: 0.8rem;
        padding: 0 12px;
    }

    #contact h2 {
        font-size: 1.6rem;
    }

    #contact p {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    footer {
        padding: 18px 0;
        font-size: 0.82rem;
    }

    /* Gallery */
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    /* Testimonials */
    .testimonial-slider {
        padding: 0 38px;
    }

    .slider-arrow {
        width: 30px;
        height: 30px;
    }

    .testimonial-card {
        padding: 18px 14px;
        border-radius: 12px;
    }

    .testimonial-text {
        font-size: 0.88rem;
        line-height: 1.6;
    }

    .author-avatar {
        width: 42px;
        height: 42px;
    }

    .author-info h4 {
        font-size: 0.88rem;
    }

    .author-info p {
        font-size: 0.72rem;
    }

    .slider-dots {
        margin-top: 20px;
    }
}