/* ============================================
   ROBSON ALVES — Terminal AI Portfolio
   Zero dependencies. Pure CSS. Maximum vibes.
   ============================================ */

/* --- Custom Properties --- */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: rgba(17, 17, 24, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-glow: rgba(0, 255, 170, 0.15);

    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
    --text-muted: #52525b;

    --accent: #00ffaa;
    --accent-dim: rgba(0, 255, 170, 0.15);
    --accent-secondary: #00d4ff;
    --accent-warm: #ff6b35;
    --metric: #ffd700;

    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    --font-display: 'Outfit', 'Space Grotesk', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: 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: var(--accent);
    color: var(--bg-primary);
}

/* --- Overlays --- */
.scanline {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
}

.noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* --- Container --- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 2rem;
    transition: var(--transition-smooth);
    background: transparent;
}

.nav.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    letter-spacing: 0.02em;
}

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

.nav-link .prompt {
    color: var(--accent);
    margin-right: 0.3rem;
    font-size: 0.7rem;
}

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

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

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

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

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

/* Mobile menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    padding: 1.5rem 2rem;
    flex-direction: column;
    gap: 1rem;
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-10px);
    opacity: 0;
    transition: var(--transition-smooth);
}

.mobile-menu.open {
    display: flex;
    transform: translateY(0);
    opacity: 1;
}

.mobile-link {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 0;
    transition: var(--transition-fast);
}

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

.mobile-link .prompt {
    color: var(--accent);
    margin-right: 0.5rem;
}

/* --- Typography helpers --- */
.accent {
    color: var(--accent);
}

.highlight {
    color: var(--accent);
    font-weight: 500;
}

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

.metric {
    color: var(--metric);
    font-weight: 600;
    font-family: var(--font-mono);
}

.code-comment {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    font-style: italic;
}

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

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    opacity: 0.4;
}

.hero-terminal {
    width: 100%;
    max-width: 720px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.03),
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 120px rgba(0, 255, 170, 0.03);
    animation: terminalAppear 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(30px) scale(0.98);
}

@keyframes terminalAppear {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.8rem 1.2rem;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-subtle);
}

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

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

.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    flex: 1;
    text-align: center;
}

.terminal-body {
    padding: 1.5rem 1.5rem 2rem;
}

.terminal-line {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 0.3rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.prompt-symbol {
    color: var(--accent);
    font-weight: 700;
    user-select: none;
}

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

.terminal-output {
    padding-left: 1.5rem;
    margin-bottom: 1.2rem;
}

.hero-name h1 {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    animation: nameGlow 1s 0.5s ease forwards;
}

@keyframes nameGlow {
    0% { filter: brightness(1); }
    50% { filter: brightness(1.3); }
    100% { filter: brightness(1); }
}

.hero-role {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
    min-height: 1.6em;
}

.hero-status {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.blink-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    margin-left: 4px;
    vertical-align: middle;
    animation: blink 1.5s infinite;
}

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

.cursor {
    color: var(--accent);
    animation: cursorBlink 1s step-end infinite;
    font-weight: 700;
}

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

/* Hero animations */
.fade-in-delayed {
    opacity: 0;
    animation: fadeInUp 0.5s 2.5s ease forwards;
}

.fade-in-delayed-2 {
    opacity: 0;
    animation: fadeInUp 0.5s 3s ease forwards;
}

.fade-in-delayed-3 {
    opacity: 0;
    animation: fadeInUp 0.5s 3.5s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: fadeInUp 0.5s 4s ease forwards;
    opacity: 0;
}

.hero-scroll span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 1px;
    height: 30px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* --- Sections --- */
.section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.section-number {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 600;
}

.section-title {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.section-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--border-subtle), transparent);
}

/* --- About Section --- */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: start;
}

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

.about-text .code-comment {
    margin-bottom: 1rem;
}

.card-glass {
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.card-glass:hover {
    border-color: var(--border-glow);
    box-shadow: 0 0 40px rgba(0, 255, 170, 0.05);
}

.about-avatar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    padding: 2rem 0;
}

.avatar-emoji {
    font-size: 5rem;
    line-height: 1;
    filter: drop-shadow(0 0 30px rgba(0, 255, 170, 0.2));
    animation: avatarFloat 4s ease-in-out infinite;
}

@keyframes avatarFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.avatar-status {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.avatar-status::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}

.about-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    padding: 0.3rem 0;
    border-bottom: 1px solid var(--border-subtle);
}

.info-row:last-child {
    border-bottom: none;
}

.info-key {
    color: var(--accent);
}

.info-value {
    color: var(--text-secondary);
}

/* --- Skills Section --- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.skill-category {
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: var(--transition-smooth);
}

.skill-category:hover {
    border-color: var(--border-glow);
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.skill-icon {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-dim);
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
    letter-spacing: -0.02em;
}

.skill-category h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.skill-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 0.3rem 0.65rem;
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    transition: var(--transition-fast);
    cursor: default;
}

.skill-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
}

.skill-tag[data-level="expert"] {
    border-color: rgba(0, 255, 170, 0.2);
    color: var(--accent);
}

/* Featured AI skill card */
.skill-featured {
    background: linear-gradient(135deg, rgba(0, 255, 170, 0.04) 0%, rgba(0, 212, 255, 0.04) 100%);
    border-color: rgba(0, 255, 170, 0.12);
    position: relative;
    overflow: hidden;
}

.skill-featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary), var(--accent));
    background-size: 200% 100%;
    animation: gradientSlide 3s linear infinite;
}

@keyframes gradientSlide {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 0%; }
}

.skill-featured:hover {
    border-color: rgba(0, 255, 170, 0.25);
    box-shadow: 0 10px 50px rgba(0, 255, 170, 0.08);
}

.skill-featured-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--accent);
    background: var(--accent-dim);
    padding: 0.2rem 0.5rem;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    animation: badgePulse 2.5s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.skill-icon-ai {
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    color: var(--bg-primary);
}

/* --- Experience Timeline --- */
.timeline {
    position: relative;
}

.timeline-item {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 1.5rem;
    padding-bottom: 2.5rem;
}

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

.timeline-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.timeline-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--text-muted);
    z-index: 1;
    flex-shrink: 0;
    transition: var(--transition-smooth);
}

.timeline-dot.active {
    border-color: var(--accent);
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent-dim);
}

.timeline-dot.end {
    width: 8px;
    height: 8px;
    border-color: var(--text-muted);
    background: var(--text-muted);
}

.timeline-line {
    width: 1px;
    flex: 1;
    background: linear-gradient(to bottom, var(--border-subtle), transparent);
    margin-top: 0.5rem;
}

.timeline-content {
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: var(--transition-smooth);
}

.timeline-content:hover {
    border-color: var(--border-glow);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.timeline-end {
    background: transparent;
    border: none;
    padding: 0.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.timeline-end:hover {
    border-color: transparent;
    box-shadow: none;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.3rem;
    flex-wrap: wrap;
}

.timeline-role {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}

.timeline-company-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    transition: var(--transition-fast);
}

.timeline-company-link:hover {
    opacity: 0.8;
}

.company-logo {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    object-fit: contain;
    flex-shrink: 0;
}

.timeline-company {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 500;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    padding-top: 0.2rem;
}

.timeline-location {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 1rem;
}

.timeline-details {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.timeline-details li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    padding-left: 1.2rem;
    position: relative;
    text-align: left;
}

.timeline-details li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.timeline-tags span {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 0.2rem 0.55rem;
    border-radius: 100px;
    background: var(--accent-dim);
    color: var(--accent);
    letter-spacing: 0.02em;
}

/* --- Experience CTA --- */
.experience-cta {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.experience-cta p {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 1.4rem;
    background: var(--accent-dim);
    border: 1px solid rgba(0, 255, 170, 0.2);
    border-radius: 100px;
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 500;
    transition: var(--transition-smooth);
}

.cta-button:hover {
    background: rgba(0, 255, 170, 0.15);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 255, 170, 0.1);
}

.cta-icon {
    font-size: 0.7rem;
    font-weight: 700;
    background: var(--accent);
    color: var(--bg-primary);
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

/* --- Projects Section --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.project-card .card-glass {
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 1.8rem;
    position: relative;
    overflow: hidden;
}

.project-card .card-glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: var(--transition-smooth);
}

.project-card .card-glass:hover::before {
    opacity: 1;
}

.project-card.featured .card-glass {
    border-color: rgba(0, 255, 170, 0.15);
    background: rgba(0, 255, 170, 0.03);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-icon {
    font-size: 1.8rem;
}

.project-logo {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: contain;
    background: rgba(255, 255, 255, 0.05);
    padding: 4px;
}

.project-type {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent);
    background: var(--accent-dim);
    padding: 0.25rem 0.6rem;
    border-radius: 100px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.project-name {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
}

.project-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    flex: 1;
    margin-bottom: 1rem;
    text-align: left;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: auto;
}

.project-tags span {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 0.2rem 0.55rem;
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
}

.project-link-ext {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
    text-decoration: none;
    margin-top: 0.8rem;
    padding: 0.3rem 0;
    border-bottom: 1px solid transparent;
    transition: var(--transition-fast);
}

.project-link-ext:hover {
    border-bottom-color: var(--accent);
}

/* --- Contact Section --- */
.section-contact {
    padding-bottom: 3rem;
}

.contact-terminal {
    max-width: 650px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.contact-body {
    padding: 1.5rem 1.5rem 2rem;
}

.contact-intro {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    text-align: left;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.7rem 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.contact-link:hover {
    border-color: var(--accent);
    background: var(--accent-dim);
    transform: translateX(4px);
}

.contact-link-icon {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-dim);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.contact-link-label {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

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

.output-success {
    color: var(--accent) !important;
}

/* --- AI Badge --- */
.ai-badge {
    padding: 2rem 0;
}

.ai-badge-content {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 1.2rem 1.5rem;
    background: rgba(0, 255, 170, 0.03);
    border: 1px solid rgba(0, 255, 170, 0.1);
    border-radius: var(--radius-md);
    max-width: 640px;
    margin: 0 auto;
}

.ai-badge-icon {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-dim);
    padding: 0.5rem 0.7rem;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.ai-pulse {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}

.ai-badge-text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.ai-badge-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-primary);
    font-weight: 500;
}

.ai-badge-sub {
    font-family: var(--font-body);
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* --- Footer --- */
.footer {
    padding: 2rem 0;
    border-top: 1px solid var(--border-subtle);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-left,
.footer-right {
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

/* --- Reveal Animation --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* --- Responsive --- */

/* Tablet landscape */
@media screen and (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

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

    .about-card {
        max-width: 380px;
    }

    .projects-grid {
        gap: 1rem;
    }
}

/* Tablet portrait */
@media screen and (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-inner {
        height: 60px;
    }

    html {
        scroll-padding-top: 70px;
    }

    .hero {
        min-height: 100svh;
        padding: 1.5rem;
    }

    .hero-name h1 {
        font-size: 2rem;
    }

    .hero-terminal {
        max-width: 100%;
        border-radius: var(--radius-md);
    }

    .terminal-body {
        padding: 1rem;
    }

    .terminal-line {
        font-size: 0.75rem;
        gap: 0.5rem;
    }

    .terminal-output {
        padding-left: 1.2rem;
        margin-bottom: 0.8rem;
    }

    .hero-role {
        font-size: 0.78rem;
    }

    .hero-status {
        font-size: 0.78rem;
    }

    .section {
        padding: 3.5rem 0;
    }

    .section-header {
        margin-bottom: 2rem;
    }

    .section-title {
        font-size: 1.2rem;
    }

    .skills-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.8rem;
    }

    .skill-category {
        padding: 1.2rem;
    }

    .skill-category-header {
        gap: 0.5rem;
        margin-bottom: 0.75rem;
    }

    .skill-category h3 {
        font-size: 0.88rem;
    }

    .skill-tag {
        font-size: 0.68rem;
        padding: 0.25rem 0.5rem;
    }

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

    .project-card .card-glass {
        padding: 1.4rem;
    }

    .project-name {
        font-size: 1.15rem;
    }

    .project-desc {
        font-size: 0.83rem;
    }

    .timeline-item {
        grid-template-columns: 24px 1fr;
        gap: 0.8rem;
        padding-bottom: 1.5rem;
    }

    .timeline-content {
        padding: 1.2rem;
    }

    .timeline-header {
        flex-direction: column;
        gap: 0.2rem;
    }

    .timeline-role {
        font-size: 1.05rem;
    }

    .timeline-company {
        font-size: 0.8rem;
    }

    .timeline-date {
        font-size: 0.7rem;
    }

    .timeline-details li {
        font-size: 0.83rem;
        padding-left: 1rem;
        line-height: 1.5;
    }

    .timeline-tags {
        gap: 0.3rem;
    }

    .timeline-tags span {
        font-size: 0.6rem;
        padding: 0.15rem 0.45rem;
    }

    .contact-terminal {
        border-radius: var(--radius-md);
    }

    .contact-body {
        padding: 1.2rem;
    }

    .contact-intro {
        font-size: 0.83rem;
    }

    .contact-link {
        padding: 0.6rem 0.8rem;
        gap: 0.7rem;
    }

    .contact-link-label {
        font-size: 0.75rem;
    }

    .contact-link-icon {
        width: 24px;
        height: 24px;
        font-size: 0.65rem;
    }

    .ai-badge-content {
        flex-direction: column;
        text-align: center;
        gap: 0.8rem;
        padding: 1rem 1.2rem;
    }

    .ai-badge-title {
        font-size: 0.75rem;
    }

    .ai-badge-sub {
        font-size: 0.72rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 0.8rem;
    }

    .footer-left,
    .footer-right {
        order: 1;
    }

    .footer-center {
        order: 0;
    }

    .footer-center span {
        font-size: 0.7rem;
    }
}

/* Mobile */
@media screen and (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 1rem;
    }

    .hero {
        padding: 1rem;
    }

    .hero-name h1 {
        font-size: 1.5rem;
    }

    .hero::before {
        width: 300px;
        height: 300px;
    }

    .terminal-bar {
        padding: 0.6rem 0.8rem;
    }

    .terminal-title {
        font-size: 0.6rem;
    }

    .dot {
        width: 8px;
        height: 8px;
    }

    .terminal-body {
        padding: 0.8rem;
    }

    .terminal-line {
        font-size: 0.7rem;
    }

    .terminal-output {
        padding-left: 0.8rem;
    }

    .hero-role {
        font-size: 0.72rem;
        min-height: 2.4em;
    }

    .hero-status {
        font-size: 0.72rem;
    }

    .hero-scroll span {
        font-size: 0.6rem;
    }

    .section {
        padding: 2.5rem 0;
    }

    .section-number {
        font-size: 0.7rem;
    }

    .section-title {
        font-size: 1.05rem;
    }

    .about-text p {
        font-size: 0.9rem;
        line-height: 1.65;
    }

    .about-photo-wrapper {
        max-width: 200px;
        margin: 0 auto 1rem;
    }

    .info-row {
        font-size: 0.7rem;
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: 0.7rem;
    }

    .skill-category {
        padding: 1rem;
    }

    .skill-icon {
        font-size: 0.65rem;
        padding: 0.3rem 0.5rem;
    }

    .skill-category h3 {
        font-size: 0.85rem;
    }

    .skill-tag {
        font-size: 0.65rem;
        padding: 0.2rem 0.45rem;
    }

    .timeline-item {
        grid-template-columns: 18px 1fr;
        gap: 0.6rem;
        padding-bottom: 1.2rem;
    }

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

    .timeline-content {
        padding: 1rem;
    }

    .timeline-role {
        font-size: 0.95rem;
    }

    .timeline-company {
        font-size: 0.75rem;
    }

    .timeline-details li {
        font-size: 0.78rem;
    }

    .project-card .card-glass {
        padding: 1.1rem;
    }

    .project-icon {
        font-size: 1.4rem;
    }

    .project-type {
        font-size: 0.6rem;
    }

    .project-name {
        font-size: 1.05rem;
    }

    .project-desc {
        font-size: 0.78rem;
        line-height: 1.6;
    }

    .project-tags span {
        font-size: 0.6rem;
    }

    .contact-link {
        padding: 0.5rem 0.7rem;
    }

    .contact-link-label {
        font-size: 0.7rem;
        word-break: break-all;
    }

    .ai-badge-content {
        padding: 0.8rem 1rem;
    }

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

    .footer-left .code-comment,
    .footer-right .muted {
        font-size: 0.65rem;
    }
}

/* Very small screens */
@media screen and (max-width: 350px) {
    .hero-name h1 {
        font-size: 1.3rem;
    }

    .nav-logo {
        font-size: 0.85rem;
    }

    .terminal-line {
        font-size: 0.65rem;
    }

    .hero-role {
        font-size: 0.65rem;
    }
}

/* Touch devices - remove hover transforms for better UX */
@media (hover: none) {
    .skill-category:hover {
        transform: none;
    }

    .contact-link:hover {
        transform: none;
    }
}

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

    .reveal {
        opacity: 1;
        transform: none;
    }

    html {
        scroll-behavior: auto;
    }
}