/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-bg: #0a0e27;
    --color-bg-secondary: #141b34;
    --color-primary: #00ff9f;
    --color-secondary: #00d4ff;
    --color-accent: #ff006e;
    --color-text: #e0e0e0;
    --color-text-dim: #8892b0;
    --color-border: #1e2a4a;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Courier New', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ===== BACKGROUND EFFECTS ===== */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 255, 159, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 159, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(0, 255, 159, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    padding: 20px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
}

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

.logo-text {
    color: var(--color-text);
    margin: 0 5px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    color: var(--color-text-dim);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

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

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

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

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-primary);
    transition: all 0.3s ease;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    position: relative;
    z-index: 1;
}

.terminal-window {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-bottom: 60px;
    box-shadow: 0 20px 60px rgba(0, 255, 159, 0.1);
}

.terminal-header {
    background: rgba(0, 0, 0, 0.3);
    padding: 12px 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--color-border);
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27c93f; }

.terminal-title {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text-dim);
}

.terminal-body {
    padding: 30px;
    font-family: var(--font-mono);
    font-size: 0.95rem;
}

.terminal-line {
    margin-bottom: 10px;
}

.prompt {
    color: var(--color-primary);
    margin-right: 10px;
}

.command {
    color: var(--color-secondary);
}

.terminal-output {
    color: var(--color-text);
    margin-bottom: 20px;
    padding-left: 20px;
}

.typing-cursor::after {
    content: '▋';
    animation: blink 1s infinite;
}

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

.glitch {
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-text);
    position: relative;
    margin-bottom: 20px;
    animation: glitch-skew 1s infinite;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--color-primary);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--color-secondary);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim2 5s infinite linear alternate-reverse;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 20px;
    font-family: var(--font-mono);
}

.typing-text {
    border-right: 2px solid var(--color-primary);
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-dim);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 700px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 35px;
    border: 2px solid var(--color-primary);
    background: transparent;
    color: var(--color-primary);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    transition: left 0.3s ease;
    z-index: -1;
}

.btn:hover::before {
    left: 0;
}

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

.btn-secondary {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
}

.btn-secondary::before {
    background: var(--color-secondary);
}

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

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 600px;
}

.stat {
    text-align: center;
    padding: 20px;
    background: rgba(0, 255, 159, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

.stat-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-dim);
    margin-top: 5px;
}

/* ===== SECTION TITLE ===== */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 80px;
    font-family: var(--font-mono);
}

.title-bracket {
    color: var(--color-primary);
    margin: 0 10px;
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.about-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 30px;
    transition: all 0.3s ease;
}

.about-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 159, 0.2);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--color-border);
}

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

.card-header h3 {
    font-size: 1.3rem;
    color: var(--color-primary);
}

.card-body p {
    color: var(--color-text-dim);
    line-height: 1.8;
    margin-bottom: 15px;
}

.specialties-list {
    list-style: none;
}

.specialties-list li {
    padding: 12px 0;
    color: var(--color-text-dim);
    border-bottom: 1px solid var(--color-border);
}

.specialty-icon {
    color: var(--color-primary);
    margin-right: 10px;
}

.contact-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}

.contact-label {
    color: var(--color-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    margin-right: 10px;
}

.contact-item a {
    color: var(--color-text-dim);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* ===== SKILLS SECTION ===== */
.skills {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.skill-category {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 30px;
}

.category-title {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 30px;
}

.skill-bars {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.skill-bar {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.skill-bar.visible {
    opacity: 1;
    transform: translateY(0);
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.skill-name {
    color: var(--color-text);
}

.skill-percent {
    color: var(--color-primary);
}

.progress-bar {
    height: 8px;
    background: rgba(0, 255, 159, 0.1);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 4px;
    width: 0;
    transition: width 1.5s ease;
    box-shadow: 0 0 10px var(--color-primary);
}

.skill-bar.visible .progress-fill {
    width: var(--progress-width);
}

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

.tech-tag {
    padding: 10px 20px;
    background: rgba(0, 255, 159, 0.1);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.tech-tag:hover {
    background: var(--color-primary);
    color: var(--color-bg);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 159, 0.3);
}

/* ===== PROJECTS/TIMELINE SECTION ===== */
.projects {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

.timeline-item::before {
    content: attr(data-year);
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    background: var(--color-bg);
    color: var(--color-primary);
    padding: 5px 15px;
    border: 2px solid var(--color-primary);
    border-radius: 20px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    z-index: 2;
}

.timeline-content {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 30px;
    margin-top: 40px;
    width: calc(50% - 40px);
    transition: all 0.3s ease;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
}

.timeline-content:hover {
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 255, 159, 0.2);
}

.timeline-badge {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(0, 255, 159, 0.2);
    color: var(--color-primary);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    margin-bottom: 15px;
}

.timeline-content h3 {
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: 10px;
}

.timeline-period {
    color: var(--color-text-dim);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    margin-bottom: 15px;
}

.timeline-description {
    color: var(--color-text-dim);
    line-height: 1.8;
    margin-bottom: 15px;
}

.tech-used {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.tech-used span {
    padding: 5px 12px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--color-secondary);
    border-radius: 4px;
    color: var(--color-secondary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.contact-info p {
    color: var(--color-text-dim);
    line-height: 1.8;
    margin-bottom: 40px;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-box {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.info-box:hover {
    border-color: var(--color-primary);
    transform: translateX(5px);
}

.info-icon {
    font-size: 1.5rem;
}

.info-text {
    flex: 1;
}

.info-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-dim);
    margin-bottom: 5px;
}

.info-text a {
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.contact-form {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 40px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--color-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 10px rgba(0, 255, 159, 0.2);
}

.form-group textarea {
    resize: vertical;
}

.form-status {
    margin-top: 20px;
    padding: 15px;
    border-radius: 4px;
    text-align: center;
    font-family: var(--font-mono);
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(0, 255, 159, 0.2);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}

.form-status.error {
    display: block;
    background: rgba(255, 0, 110, 0.2);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
}

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

/* ===== FOOTER ===== */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: 60px 0 30px;
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.footer-left p {
    color: var(--color-text-dim);
}

.footer-links,
.footer-social {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links a,
.footer-social a {
    color: var(--color-text-dim);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.footer-links a:hover,
.footer-social a:hover {
    color: var(--color-primary);
    padding-left: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    color: var(--color-text-dim);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

/* ===== ANIMATIONS ===== */
@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

@keyframes glitch-anim {
    0% { clip: rect(42px, 9999px, 44px, 0); }
    5% { clip: rect(12px, 9999px, 59px, 0); }
    10% { clip: rect(48px, 9999px, 29px, 0); }
    15% { clip: rect(42px, 9999px, 73px, 0); }
    20% { clip: rect(63px, 9999px, 27px, 0); }
    25% { clip: rect(34px, 9999px, 55px, 0); }
    30% { clip: rect(86px, 9999px, 73px, 0); }
    35% { clip: rect(20px, 9999px, 20px, 0); }
    40% { clip: rect(26px, 9999px, 60px, 0); }
    45% { clip: rect(25px, 9999px, 66px, 0); }
    50% { clip: rect(57px, 9999px, 98px, 0); }
    55% { clip: rect(5px, 9999px, 46px, 0); }
    60% { clip: rect(82px, 9999px, 31px, 0); }
    65% { clip: rect(54px, 9999px, 27px, 0); }
    70% { clip: rect(28px, 9999px, 99px, 0); }
    75% { clip: rect(45px, 9999px, 69px, 0); }
    80% { clip: rect(23px, 9999px, 85px, 0); }
    85% { clip: rect(54px, 9999px, 84px, 0); }
    90% { clip: rect(45px, 9999px, 47px, 0); }
    95% { clip: rect(37px, 9999px, 20px, 0); }
    100% { clip: rect(4px, 9999px, 91px, 0); }
}

@keyframes glitch-anim2 {
    0% { clip: rect(65px, 9999px, 100px, 0); }
    5% { clip: rect(52px, 9999px, 74px, 0); }
    10% { clip: rect(79px, 9999px, 85px, 0); }
    15% { clip: rect(75px, 9999px, 5px, 0); }
    20% { clip: rect(67px, 9999px, 61px, 0); }
    25% { clip: rect(14px, 9999px, 79px, 0); }
    30% { clip: rect(1px, 9999px, 66px, 0); }
    35% { clip: rect(86px, 9999px, 30px, 0); }
    40% { clip: rect(23px, 9999px, 98px, 0); }
    45% { clip: rect(85px, 9999px, 72px, 0); }
    50% { clip: rect(71px, 9999px, 75px, 0); }
    55% { clip: rect(2px, 9999px, 48px, 0); }
    60% { clip: rect(30px, 9999px, 16px, 0); }
    65% { clip: rect(59px, 9999px, 50px, 0); }
    70% { clip: rect(41px, 9999px, 62px, 0); }
    75% { clip: rect(2px, 9999px, 82px, 0); }
    80% { clip: rect(47px, 9999px, 73px, 0); }
    85% { clip: rect(3px, 9999px, 27px, 0); }
    90% { clip: rect(26px, 9999px, 55px, 0); }
    95% { clip: rect(42px, 9999px, 97px, 0); }
    100% { clip: rect(38px, 9999px, 49px, 0); }
}

@keyframes glitch-skew {
    0% { transform: skew(0deg); }
    10% { transform: skew(0deg); }
    11% { transform: skew(2deg); }
    12% { transform: skew(0deg); }
    100% { transform: skew(0deg); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
    .container {
        padding: 0 30px;
    }

    .nav-container {
        padding: 0 30px;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 14, 39, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: left 0.3s ease;
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .glitch {
        font-size: 2.5rem;
    }

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

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

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

    .skills-container {
        grid-template-columns: 1fr;
    }

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

    .timeline-item::before {
        left: 20px;
        transform: translateX(0);
    }

    .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px;
    }

    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 60px;
    }

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

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

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

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

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

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

    .terminal-body {
        padding: 20px;
        font-size: 0.85rem;
    }
}



/* ===== LANGUAGE SWITCHER ===== */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-left: 30px;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-dim);
    padding: 5px 12px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.lang-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.lang-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg);
}

.lang-separator {
    color: var(--color-text-dim);
    font-family: var(--font-mono);
}

@media (max-width: 968px) {
    .lang-switcher {
        position: absolute;
        top: 20px;
        right: 80px;
        margin-left: 0;
    }
}