/* ===============================
   Design Tokens
   =============================== */
:root {
    --accent-primary: #E8FF47;
    --accent-secondary: #FF3D3D;
    --bg-primary: #080808;
    --bg-secondary: #0f0f0f;
    --bg-card: rgba(15, 15, 15, 0.65);
    --bg-card-hover: rgba(22, 22, 22, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --bg-input: rgba(255, 255, 255, 0.05);

    --text-primary: #F5F5F0;
    --text-secondary: #888884;
    --text-muted: #555550;

    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(232, 255, 71, 0.2);

    --font-heading: 'Clash Display', sans-serif;
    --font-body: 'Satoshi', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --nav-height: 72px;
    --container-max: 1100px;
    --section-padding: 120px;

    --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.2s var(--ease-out);
    --transition-medium: 0.4s var(--ease-out);
    --transition-slow: 0.6s var(--ease-out);

    --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.4);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: rgba(232, 255, 71, 0.2);
    color: #fff;
}

a {
    color: inherit;
    text-decoration: none;
}

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

ul {
    list-style: none;
}

/* ===============================
   Cursor Glow
   =============================== */
.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(232, 255, 71, 0.04) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    will-change: transform;
    transition: opacity 0.3s;
}

/* ===============================
   Navigation
   =============================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
    z-index: 1000;
    transition: var(--transition-medium);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(8, 8, 8, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

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

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

.nav-links {
    display: flex;
    gap: 6px;
}

.nav-link {
    position: relative;
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    border-radius: 6px;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 1.5px;
    background: var(--accent-primary);
    transition: var(--transition-fast);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 18px;
}

.nav-cta {
    padding: 9px 22px;
    font-size: 0.82rem;
    font-weight: 600;
    font-family: var(--font-body);
    color: #080808;
    background: var(--accent-primary);
    border-radius: 8px;
    transition: var(--transition-fast);
    border: none;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(232, 255, 71, 0.2);
}

/* Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav-toggle span {
    width: 22px;
    height: 1.5px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(8, 8, 8, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-medium);
}

.mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-nav-links {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

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

/* ===============================
   Hero
   =============================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
    padding-top: var(--nav-height);
    max-width: 1300px;
    margin: 0 auto;
    gap: 60px;
    z-index: 1;
}

.hero-content {
    flex: 1;
    max-width: 580px;
}

.hero-location {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
    letter-spacing: 1.5px;
    margin-bottom: 28px;
    opacity: 0;
    animation: fadeIn 0.6s ease 0.1s forwards;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.8rem, 5.5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -2px;
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeIn 0.6s ease 0.2s forwards;
}

.hero-line {
    display: block;
    font-family: var(--font-body);
    font-size: 0.4em;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0;
    margin-bottom: 6px;
}

.hero-name {
    color: var(--accent-primary);
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 480px;
    opacity: 0;
    animation: fadeIn 0.6s ease 0.4s forwards;
}

.hero-actions {
    display: flex;
    gap: 14px;
    opacity: 0;
    animation: fadeIn 0.6s ease 0.55s forwards;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 26px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-body);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
}

.btn-primary {
    color: #080808;
    background: var(--accent-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(232, 255, 71, 0.2);
}

.btn-primary:hover svg {
    transform: translate(2px, -2px);
}

.btn-primary svg {
    transition: var(--transition-fast);
}

.btn-secondary {
    color: var(--text-primary);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Code window */
.hero-visual {
    flex: 0 0 auto;
    opacity: 0;
    animation: fadeIn 0.8s ease 0.3s forwards;
}

.code-window {
    width: 400px;
    background: rgba(12, 12, 12, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition-medium);
}

.code-window:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-card), 0 0 40px rgba(232, 255, 71, 0.04);
}

.code-header {
    display: flex;
    align-items: center;
    padding: 13px 18px;
    border-bottom: 1px solid var(--border-color);
    gap: 12px;
}

.code-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red {
    background: #ff5f57;
}

.dot.yellow {
    background: #ffbd2e;
}

.dot.green {
    background: #28c840;
}

.code-title {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
}

.code-body {
    padding: 20px;
    overflow: hidden;
}

.code-body code {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.75;
    white-space: pre;
}

.terminal-block {
    opacity: 0;
    animation: terminalFadeIn 0.8s ease 0.7s forwards;
}

/* Terminal syntax */
.t-prompt {
    color: var(--accent-primary);
    font-weight: 500;
}

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

.t-output {
    color: var(--text-secondary);
}

.t-cursor {
    animation: blink 1s step-end infinite;
    color: var(--accent-primary);
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

@keyframes terminalFadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }

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

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0;
    animation: fadeIn 0.6s ease 1.2s forwards;
}

.scroll-line {
    width: 1px;
    height: 36px;
    background: var(--accent-primary);
    opacity: 0.4;
    animation: scrollPulse 2.5s ease-in-out infinite;
}

.scroll-indicator span {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-family: var(--font-mono);
}

@keyframes scrollPulse {

    0%,
    100% {
        opacity: 0.2;
        transform: scaleY(0.4);
        transform-origin: top;
    }

    50% {
        opacity: 0.6;
        transform: scaleY(1);
        transform-origin: top;
    }
}

/* ===============================
   Sections — shared
   =============================== */
.section {
    position: relative;
    padding: var(--section-padding) 0;
    z-index: 1;
}

.section-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 48px;
}

.section-header {
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--accent-primary);
    letter-spacing: 2px;
    margin-bottom: 14px;
    text-transform: uppercase;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 600;
    letter-spacing: -1px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-top: 12px;
    max-width: 460px;
}

/* ===============================
   About
   =============================== */
.about-content {
    max-width: 680px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1rem;
    line-height: 1.8;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Marquee */
.marquee-wrap {
    margin-top: 56px;
    overflow: hidden;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
}

.marquee-track {
    display: flex;
    width: max-content;
    animation: marqueeScroll 28s linear infinite;
}

.marquee-content {
    display: flex;
    align-items: center;
    gap: 0;
    flex-shrink: 0;
    padding-right: 12px;
}

.marquee-content span {
    font-size: 0.82rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-secondary);
    white-space: nowrap;
    padding: 0 16px;
}

.marquee-dot {
    color: var(--text-muted) !important;
    letter-spacing: 0 !important;
    padding: 0 4px !important;
}

@keyframes marqueeScroll {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
    }
}

/* ===============================
   Skills — table
   =============================== */
.skills-table {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.skills-col-header {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent-primary);
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 4px;
}

.skills-list li {
    font-family: var(--font-mono);
    font-size: 0.88rem;
    color: var(--text-secondary);
    padding: 14px 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.skills-list li:hover {
    color: var(--text-primary);
    padding-left: 8px;
}

/* ===============================
   Projects
   =============================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.project-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 2px solid transparent;
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-medium);
    will-change: transform;
}

.project-card:hover {
    border-color: var(--border-hover);
    border-left-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
}

.project-number {
    position: absolute;
    top: -10px;
    right: 20px;
    font-family: var(--font-heading);
    font-size: 8rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.03);
    line-height: 1;
    pointer-events: none;
    transition: color var(--transition-medium);
    user-select: none;
}

.project-card:hover .project-number {
    color: rgba(232, 255, 71, 0.08);
}

.project-content {
    position: relative;
    padding: 32px;
    z-index: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}

.project-tag {
    padding: 3px 10px;
    font-size: 0.68rem;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--accent-primary);
    background: rgba(232, 255, 71, 0.06);
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 6px;
    letter-spacing: -0.3px;
    color: var(--text-primary);
}

.project-meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 14px;
    letter-spacing: 0.3px;
}

.project-description {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.project-links {
    display: flex;
    gap: 20px;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

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

.project-link:hover svg {
    transform: translate(2px, -2px);
}

.project-link svg {
    transition: var(--transition-fast);
}

/* ===============================
   Contact
   =============================== */
.contact-simple {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

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

.contact-statement {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    line-height: 1.7;
}

.contact-email {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    transition: var(--transition-fast);
    letter-spacing: -0.5px;
}

.contact-email:hover {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 40px;
}

.social-link {
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.social-link:hover {
    color: var(--accent-primary);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

/* ===============================
   Footer
   =============================== */
.footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border-color);
    padding: 28px 48px;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    margin: 0 auto;
}

.footer-content p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.back-to-top {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.back-to-top:hover {
    color: var(--accent-primary);
}

/* ===============================
   Animations
   =============================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

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

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    filter: blur(4px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out), filter 0.7s var(--ease-out);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}

/* ===============================
   Responsive
   =============================== */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: left;
        padding-top: calc(var(--nav-height) + 40px);
        gap: 40px;
        min-height: auto;
        padding-bottom: 80px;
    }

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

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

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }

    .navbar {
        padding: 0 24px;
    }

    .nav-links,
    .nav-cta {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

    .hero {
        padding: 0 24px;
        padding-top: calc(var(--nav-height) + 20px);
    }

    .section-container {
        padding: 0 24px;
    }

    .hero-visual {
        width: 100%;
    }

    .code-window {
        width: 100%;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        justify-content: center;
    }

    .skills-table {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer {
        padding: 24px;
    }

    .footer-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.4rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .code-body code {
        font-size: 0.7rem;
    }

    .contact-email {
        font-size: 1.3rem;
    }
}