/* Normal Site Styles */
:root {
    --primary-blue: #00d4ff;
    --secondary-blue: #0084ff;
    --deep-blue: #001a33;
    --dark-blue: #00111f;
    --glass-bg: rgba(0, 42, 80, 0.4);
    --glass-border: rgba(0, 212, 255, 0.2);
    --text-primary: #e0f7ff;
    --text-secondary: #a0d8ef;
    --text-dim: #6b9bb0;
    --success: #00ff88;
    --warning: #ffaa00;
    --error: #ff3366;
    --glass-blur: 20px;
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
}

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

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-blue);
    color: var(--deep-blue);
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    font-weight: 600;
    z-index: 10000;
    border-radius: 0 0 4px 0;
}

.skip-link:focus {
    top: 0;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--deep-blue);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Focus Indicators for Accessibility */
*:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

*:focus:not(:focus-visible) {
    outline: none;
}

*:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.2);
}

/* Background Effects */
.background-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(0, 132, 255, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 40% 20%, rgba(0, 100, 200, 0.1) 0%, transparent 50%);
    z-index: -2;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
}

#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Terminal Toggle Button */
.terminal-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: var(--primary-blue);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-medium);
    z-index: 1000;
    box-shadow: 0 8px 32px rgba(0, 100, 200, 0.3);
}

.terminal-toggle:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.4);
    border-color: var(--primary-blue);
}

.terminal-toggle svg {
    width: 24px;
    height: 24px;
}

/* Navigation */
.main-nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1rem 0;
    background: rgba(0, 20, 40, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 999;
    transition: all var(--transition-medium);
}

.main-nav.scrolled {
    padding: 0.5rem 0;
    background: rgba(0, 20, 40, 0.95);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    width: 45px;
    height: 45px;
    border: 2px solid var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    transition: all 0.3s ease;
}

.nav-brand:hover {
    border-color: var(--secondary-blue);
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width var(--transition-medium);
}

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

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

.nav-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-mobile-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    transition: all var(--transition-medium);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 0 4rem;
    position: relative;
}

.profile-image-container {
    margin: 0 auto 2rem;
    width: 180px;
    height: 180px;
    position: relative;
    animation: fadeInScale 0.8s ease;
}

.profile-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-blue);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.4),
                0 0 60px rgba(0, 212, 255, 0.2);
    animation: profilePulse 3s ease-in-out infinite;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes profilePulse {
    0%, 100% {
        box-shadow: 0 0 30px rgba(0, 212, 255, 0.4),
                    0 0 60px rgba(0, 212, 255, 0.2);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 212, 255, 0.6),
                    0 0 80px rgba(0, 212, 255, 0.3);
    }
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--primary-blue);
    border-radius: 50px;
    color: var(--primary-blue);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s ease;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto 3rem;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.stat-item {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    transition: all var(--transition-medium);
}

.stat-item:hover {
    transform: translateY(-8px);
    border-color: var(--primary-blue);
    box-shadow: 0 15px 35px rgba(0, 212, 255, 0.3);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.8s both;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-medium);
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--dark-blue);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-3px);
}

/* Sections */
section {
    padding: 6rem 0;
    position: relative;
    z-index: 1;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 4rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* About Section */
.about-text {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.about-text p {
    margin-bottom: 1.5rem;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.highlight-item {
    display: flex;
    gap: 1rem;
    padding: 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    transition: all var(--transition-medium);
}

.highlight-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-blue);
}

.highlight-icon {
    font-size: 2.5rem;
}

.highlight-text h3 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.highlight-text p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* Timeline */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-blue), var(--secondary-blue));
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 4rem;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-content {
    flex: 1;
    max-width: 45%;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    transition: all var(--transition-medium);
}

.timeline-content:hover {
    border-color: var(--primary-blue);
    transform: scale(1.02);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    width: 16px;
    height: 16px;
    background: var(--primary-blue);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.8);
}

.timeline-title {
    color: var(--primary-blue);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.timeline-company {
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-date {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.timeline-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.timeline-description li {
    margin-bottom: 0.5rem;
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    transition: all var(--transition-medium);
}

.skill-category:hover {
    border-color: var(--primary-blue);
    transform: translateY(-5px);
}

.skill-category h3 {
    color: var(--primary-blue);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.skill-item {
    margin-bottom: 1rem;
}

.skill-name {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
}

.skill-bar {
    height: 8px;
    background: rgba(0, 42, 80, 0.5);
    border-radius: 4px;
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-blue), var(--primary-blue));
    border-radius: 4px;
    transition: width 1s ease;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    transition: all var(--transition-medium);
    cursor: pointer;
}

.project-card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.3);
}

.project-logo {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
}

.project-title {
    color: var(--primary-blue);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    padding: 0.4rem 0.8rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--primary-blue);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--primary-blue);
}

.project-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.project-link-btn:hover {
    transform: translateY(-2px);
}

.project-link-btn:active {
    transform: translateY(0);
}

/* Recommendations Slider */
.carousel-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.recommendations-slider {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.recommendation-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-left: 4px solid var(--primary-blue);
    border-radius: 16px;
    padding: 2rem;
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.recommendation-card.active {
    display: block;
    opacity: 1;
}

.carousel-btn {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 2px solid var(--primary-blue);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.carousel-btn:hover {
    background: var(--primary-blue);
    color: var(--dark-blue);
    transform: scale(1.1);
}

.carousel-btn:active {
    transform: scale(0.95);
}

.carousel-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.carousel-btn:disabled:hover {
    background: var(--glass-bg);
    color: var(--primary-blue);
    transform: scale(1);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 2rem;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.2);
    border: 2px solid var(--primary-blue);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dot:hover {
    background: rgba(0, 212, 255, 0.4);
    transform: scale(1.2);
}

.carousel-dot.active {
    background: var(--primary-blue);
    transform: scale(1.3);
}

.recommendation-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.recommendation-name {
    color: var(--primary-blue);
    font-size: 1.2rem;
    font-weight: 700;
}

.recommendation-title {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.recommendation-text {
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.8;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    font-size: 2rem;
}

.contact-item h3 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--primary-blue);
}

.contact-form-container {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 3rem;
}

.contact-form-container h3 {
    color: var(--primary-blue);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-form-container p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    background: rgba(0, 42, 80, 0.4);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

#submit-btn {
    margin-top: 1rem;
    position: relative;
}

#submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(0, 255, 135, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.form-message.error {
    display: block;
    background: rgba(255, 70, 70, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

/* Footer */
.main-footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    background: rgba(0, 20, 40, 0.6);
}

.main-footer p {
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background: rgba(0, 20, 40, 0.98);
        backdrop-filter: blur(20px);
        padding: 2rem;
        border-left: 1px solid var(--glass-border);
        height: calc(100vh - 70px);
        transition: right var(--transition-medium);
    }

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

    .nav-mobile-toggle {
        display: flex;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        flex-direction: row !important;
        padding-left: 50px;
    }

    .timeline-content {
        max-width: 100%;
    }

    .timeline-dot {
        left: 20px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Selected Work (case studies) */
.case-study-part {
    margin-top: 0.9rem;
}
.case-study-part p {
    margin: 0.25rem 0 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.55;
}
.case-study-label {
    color: var(--primary-blue);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}