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

:root {
    --color-bg: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-tertiary: #1a1a1a;
    --color-primary: #00d9ff;
    --color-secondary: #00ff88;
    --color-accent: #ff0080;
    --color-text: #e0e0e0;
    --color-text-dim: #888888;
    --color-border: #222222;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Fira Code', 'Courier New', monospace;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    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 2rem;
}

/* ===================================
   NAVIGATION
   =================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo .logo-img {
    height: 40px;
    width: auto;
}

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

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

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

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

.nav-link:hover::after {
    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: var(--transition);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 6rem 2rem 4rem;
    background: linear-gradient(135deg, #0a0a0a 0%, #111111 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(90deg, rgba(0, 217, 255, 0.03) 1px, transparent 1px),
        linear-gradient(rgba(0, 217, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-tag,
.hero-tag-close {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text-dim);
    margin-bottom: 1rem;
}

.hero-tag-close {
    margin-top: 2rem;
    margin-bottom: 0;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 0.9;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

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

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

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

.glitch {
    position: relative;
    font-weight: 700;
    color: var(--color-primary);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-dim);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.9rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    display: inline-block;
}

.btn-primary {
    background: var(--color-primary);
    color: #000;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: transparent;
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

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

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

/* Terminal Visual */
.terminal-window {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.terminal-header {
    background: var(--color-bg-tertiary);
    padding: 0.8rem 1rem;
    display: flex;
    gap: 0.5rem;
    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-body {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.8;
}

.terminal-line {
    color: var(--color-text);
}

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

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

.cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-dim);
    font-size: 0.85rem;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--color-primary);
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% { transform: translateY(-10px); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(10px); opacity: 0; }
}

/* ===================================
   SECTION STYLES
   =================================== */
section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    margin-bottom: 4rem;
}

.section-tag,
.section-tag-close {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text-dim);
    display: block;
    margin-bottom: 0.5rem;
}

.section-tag-close {
    margin-top: 4rem;
    margin-bottom: 0;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--color-text);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--color-primary);
}

/* ===================================
   ABOUT SECTION
   =================================== */
.about {
    background: var(--color-bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--color-text-dim);
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-intro {
    color: var(--color-text) !important;
    font-size: 1.15rem !important;
    font-weight: 500;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat-card {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
}

.stat-value {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-primary);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===================================
   PROJECTS SECTION
   =================================== */
.projects {
    background: var(--color-bg);
}

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

.project-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

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

.project-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 217, 255, 0.1);
}

.project-card.featured {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-tertiary));
    border: 2px solid var(--color-primary);
}

.project-badge {
    display: inline-block;
    background: var(--color-primary);
    color: #000;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.project-header {
    margin-bottom: 1rem;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.project-role {
    font-size: 0.9rem;
    color: var(--color-primary);
    font-weight: 500;
}

.project-description {
    color: var(--color-text-dim);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.project-highlights {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--color-text);
}

.highlight-icon {
    font-size: 1.2rem;
}

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

.tech-tag {
    background: var(--color-bg-tertiary);
    color: var(--color-primary);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.tech-tag:hover {
    border-color: var(--color-primary);
    background: rgba(0, 217, 255, 0.1);
}

/* ===================================
   SKILLS SECTION
   =================================== */
.skills {
    background: var(--color-bg-secondary);
}

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

.skill-category {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2rem;
    transition: var(--transition);
}

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

.category-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid var(--color-border);
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.skill-item {
    color: var(--color-text-dim);
    font-size: 0.95rem;
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
    transition: var(--transition);
}

.skill-item::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-size: 1.2rem;
}

.skill-item:hover {
    color: var(--color-text);
    padding-left: 2rem;
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact {
    background: var(--color-bg);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-intro {
    font-size: 1.15rem;
    color: var(--color-text-dim);
    margin-bottom: 3rem;
    text-align: center;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-method {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2rem;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.8rem;
    transition: var(--transition);
}

.contact-method:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.2);
}

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

.method-label {
    font-size: 0.85rem;
    color: var(--color-text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.method-value {
    font-size: 1.1rem;
    color: var(--color-primary);
    font-weight: 600;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: 2rem 0;
    text-align: center;
}

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

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-visual {
        order: -1;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transition: left 0.3s ease;
    }

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

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 5rem 1rem 3rem;
    }

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

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

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

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

    .terminal-body {
        font-size: 0.75rem;
        padding: 1rem;
    }

    section {
        padding: 4rem 0;
    }

    .container {
        padding: 0 1rem;
    }

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

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

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

    .stat-value {
        font-size: 2rem;
    }

    .project-highlights {
        flex-direction: column;
        gap: 1rem;
    }
}