/* ============================================================
   EmbedFolio — Main Stylesheet
   ============================================================ */

/* ── CSS Custom Properties ─────────────────────────────────── */
:root {
    /* Colors */
    --color-accent:       #00ff88;
    --color-accent-alt:   #0066ff;
    --color-accent-rgb:   0, 255, 136;
    --color-bg-primary:   #0a0a0f;
    --color-bg-secondary: #0e0e16;
    --color-bg-card:      #12121a;
    --color-bg-card-hover:#161620;
    --color-border:       rgba(255,255,255,0.08);
    --color-border-accent:rgba(0,255,136,0.3);
    --color-text-primary: #e8e8f0;
    --color-text-muted:   #8888a0;
    --color-text-dim:     #555568;

    /* Typography */
    --font-body:    'Inter', system-ui, -apple-system, sans-serif;
    --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --section-py:   clamp(5rem, 10vw, 8rem);
    --container-px: clamp(1.5rem, 5vw, 3rem);
    --container-max:1280px;
    --card-radius:   12px;

    /* Transitions */
    --transition:    0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-lg: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-card:   0 4px 24px rgba(0,0,0,0.4);
    --shadow-glow:   0 0 24px rgba(var(--color-accent-rgb),0.2);
    --shadow-glow-lg:0 0 48px rgba(var(--color-accent-rgb),0.15);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: color-mix(in srgb, var(--color-accent) 80%, white); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

/* ── Accessibility ──────────────────────────────────────────── */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    padding: 0.75rem 1.5rem;
    background: var(--color-accent);
    color: #000;
    font-weight: 700;
    z-index: 9999;
    border-radius: 0 0 var(--card-radius) 0;
    transition: top var(--transition);
}
.skip-link:focus { top: 0; }
.screen-reader-text { clip: rect(1px, 1px, 1px, 1px); height: 1px; overflow: hidden; position: absolute; width: 1px; }

/* ── Container ──────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: calc(var(--container-max) + var(--container-px) * 2);
    margin-inline: auto;
    padding-inline: var(--container-px);
}

/* ── Section Base ───────────────────────────────────────────── */
.section {
    padding-block: var(--section-py);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: clamp(3rem, 5vw, 5rem);
}

.section-label {
    font-family: var(--font-mono);
    color: var(--color-accent);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: lowercase;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.section-description {
    max-width: 600px;
    margin-inline: auto;
    color: var(--color-text-muted);
    font-size: 1.125rem;
}

.section-footer {
    text-align: center;
    margin-top: 3rem;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    text-decoration: none;
}

.btn-sm  { padding: 0.4rem 1rem; font-size: 0.875rem; }
.btn-lg  { padding: 0.875rem 2rem; font-size: 1.0625rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-primary {
    background: var(--color-accent);
    color: #000;
}
.btn-primary:hover {
    background: color-mix(in srgb, var(--color-accent) 90%, white);
    color: #000;
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-border-accent);
}
.btn-outline:hover {
    background: rgba(var(--color-accent-rgb), 0.08);
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

/* Loading state */
.btn .btn-loading { display: none; }
.btn.is-loading .btn-text   { display: none; }
.btn.is-loading .btn-loading { display: inline-flex; align-items: center; gap: 0.5rem; }

/* ── Header ─────────────────────────────────────────────────── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transition: background-color var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

.site-header.is-scrolled {
    background-color: rgba(10, 10, 15, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 var(--color-border);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 2rem;
    height: 72px;
}

/* Brand */
.brand-link {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    text-decoration: none;
    white-space: nowrap;
}
.brand-link:hover { color: var(--color-text-primary); }
.brand-bracket { color: var(--color-accent); }
.brand-name { margin-inline: 0.15em; }

/* Nav */
.primary-nav { flex: 1; display: flex; justify-content: center; }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-menu li a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-muted);
    padding: 0.5rem 0.875rem;
    border-radius: 6px;
    transition: all var(--transition);
    position: relative;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-accent);
    border-radius: 1px;
    transition: width var(--transition);
}

.nav-menu li a:hover,
.nav-menu li.current-menu-item > a {
    color: var(--color-text-primary);
}

.nav-menu li a:hover::after,
.nav-menu li.current-menu-item > a::after { width: calc(100% - 1.75rem); }

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: 1px;
    transition: all var(--transition);
}

.hamburger.is-active .hamburger-line:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.is-active .hamburger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.is-active .hamburger-line:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Reading Progress */
.header-progress-bar {
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-alt));
    width: 0%;
    transition: width 0.1s linear;
    position: absolute;
    bottom: 0;
    left: 0;
}

/* ── Hero Section ───────────────────────────────────────────── */
.section-hero {
    min-height: 100svh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    position: relative;
    overflow: hidden;
}

/* Animated BG */
.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: glowPulse 8s ease-in-out infinite alternate;
}

.hero-glow--1 {
    width: 600px; height: 600px;
    top: -200px; left: -100px;
    background: var(--color-accent);
}
.hero-glow--2 {
    width: 400px; height: 400px;
    bottom: -100px; right: -100px;
    background: var(--color-accent-alt);
    animation-delay: 4s;
}

@keyframes glowPulse {
    from { opacity: 0.10; transform: scale(0.95); }
    to   { opacity: 0.20; transform: scale(1.05); }
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
    padding-block: 4rem;
}

/* Terminal */
.hero-terminal {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.25em;
}
.terminal-prompt { color: var(--color-accent); }
.terminal-cursor {
    display: inline-block;
    color: var(--color-accent);
    animation: blink 1s step-end infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero-greeting {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.hero-name {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
    color: var(--color-text-primary);
    margin-bottom: 0.75rem;
}

.hero-title {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 500;
    margin-bottom: 1.25rem;
}

.title-accent {
    color: transparent;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt));
    -webkit-background-clip: text;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.0625rem;
    color: var(--color-text-muted);
    max-width: 480px;
    margin-bottom: 2rem;
    line-height: 1.8;
}

/* Stats */
.hero-stats {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.stat-badge {
    display: flex;
    flex-direction: column;
    padding: 0.875rem 1.25rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--card-radius);
    transition: border-color var(--transition);
}
.stat-badge:hover { border-color: var(--color-border-accent); }

.stat-value {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
    white-space: nowrap;
}

/* Hero CTA */
.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

/* Social Links */
.social-links {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.social-links li a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 1rem;
    transition: all var(--transition);
}

.social-links li a:hover {
    background: rgba(var(--color-accent-rgb), 0.1);
    border-color: var(--color-border-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

/* Code Window */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.code-window {
    width: 100%;
    max-width: 520px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-card), var(--shadow-glow-lg);
}

.code-window__header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.25rem;
    background: color-mix(in srgb, var(--color-bg-card) 90%, white 10%);
    border-bottom: 1px solid var(--color-border);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.dot--red    { background: #ff5f57; }
.dot--yellow { background: #febc2e; }
.dot--green  { background: #28c840; }

.code-window__title {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-left: 0.5rem;
}

.code-window__body {
    padding: 1.5rem 1.25rem;
    overflow-x: auto;
}

.code-snippet {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    white-space: pre;
    tab-size: 4;
}

.c-comment  { color: #555568; font-style: italic; }
.c-keyword  { color: #c792ea; }
.c-type     { color: #82aaff; }
.c-func     { color: #82cfff; }
.c-var      { color: var(--color-text-primary); }
.c-string   { color: #c3e88d; }
.c-num      { color: #f78c6c; }

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 1;
    animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-text {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    color: var(--color-text-dim);
    text-transform: lowercase;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
}

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

/* ── About Section ──────────────────────────────────────────── */
.section-about {
    background: var(--color-bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-image {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    border-radius: 16px;
    border: 1px solid var(--color-border);
}

.about-image-frame {
    position: absolute;
    inset: -12px;
    border-radius: 20px;
    border: 1px solid var(--color-border-accent);
    pointer-events: none;
    z-index: -1;
}

.about-placeholder {
    width: 100%;
    aspect-ratio: 4/5;
    border-radius: 16px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-dim);
    font-size: 4rem;
}

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

.about-text {
    color: var(--color-text-muted);
    font-size: 1.0625rem;
    line-height: 1.8;
}

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

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--card-radius);
    transition: border-color var(--transition);
}
.highlight-item:hover { border-color: var(--color-border-accent); }

.highlight-icon {
    font-size: 1.25rem;
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.highlight-title {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
}

.highlight-desc {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* ── Skills Section ─────────────────────────────────────────── */
.skills-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 2.5rem;
    padding: 0.5rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    max-width: 720px;
    margin-inline: auto;
}

.skills-tab {
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: all var(--transition);
    white-space: nowrap;
}

.skills-tab:hover { color: var(--color-text-primary); background: rgba(255,255,255,0.05); }

.skills-tab.is-active {
    background: rgba(var(--color-accent-rgb), 0.15);
    color: var(--color-accent);
    border: 1px solid var(--color-border-accent);
}

.skills-panel { display: none; }
.skills-panel.is-active { display: block; }

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.skill-card {
    padding: 1rem 1.25rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--card-radius);
    transition: all var(--transition);
}

.skill-card:hover {
    border-color: var(--color-border-accent);
    background: var(--color-bg-card-hover);
}

.skill-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.skill-name {
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.skill-level-number {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--color-accent);
    font-weight: 700;
}

.skill-bar {
    height: 6px;
    background: rgba(255,255,255,0.06);
    border-radius: 3px;
    overflow: hidden;
}

.skill-bar__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-alt));
    border-radius: 3px;
    width: 0%;
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Projects Section ───────────────────────────────────────── */
.section-projects {
    background: var(--color-bg-secondary);
}

/* Filter */
.project-filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.4375rem 1.125rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    background: transparent;
    transition: all var(--transition);
}

.filter-btn:hover { color: var(--color-text-primary); border-color: rgba(255,255,255,0.2); }

.filter-btn.is-active {
    background: var(--color-accent);
    color: #000;
    border-color: var(--color-accent);
    font-weight: 700;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-lg);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-accent);
    box-shadow: var(--shadow-card), 0 0 32px rgba(var(--color-accent-rgb),0.1);
}

.project-card--featured {
    grid-column: span 2;
    flex-direction: row;
}

.project-card__image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.project-card--featured .project-card__image {
    aspect-ratio: auto;
    width: 45%;
    flex-shrink: 0;
}

.project-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-lg);
}

.project-card:hover .project-card__image img {
    transform: scale(1.05);
}

.project-card__overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 15, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}

.project-card:hover .project-card__overlay { opacity: 1; }

.project-card__links {
    display: flex;
    gap: 1rem;
}

.project-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    font-size: 1.125rem;
    transition: all var(--transition);
}

.project-link:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #000;
    transform: scale(1.1);
}

.project-card__body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.project-type {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    font-weight: 600;
}

.project-title {
    font-size: 1.1875rem;
    font-weight: 700;
    line-height: 1.3;
}

.project-title a { color: var(--color-text-primary); }
.project-title a:hover { color: var(--color-accent); }

.project-excerpt {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    flex: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-top: 0.5rem;
}

/* ── Experience / Timeline ──────────────────────────────────── */
.timeline {
    position: relative;
    max-width: 900px;
    margin-inline: auto;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--color-border-accent), transparent);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: calc(50% + 2.5rem);
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item--right {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: calc(50% + 2.5rem);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 1.5rem;
    transform: translateX(-50%);
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 3px solid var(--color-bg-primary);
    box-shadow: 0 0 0 4px rgba(var(--color-accent-rgb), 0.15);
    z-index: 1;
}

.timeline-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition);
    width: 100%;
    max-width: 420px;
}

.timeline-card:hover {
    border-color: var(--color-border-accent);
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.timeline-card__header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    background: rgba(255,255,255,0.02);
}

.timeline-card__body {
    padding: 1.5rem;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.experience-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    background: rgba(var(--color-accent-rgb), 0.1);
    border: 1px solid var(--color-border-accent);
    padding: 0.2em 0.75em;
    border-radius: 4px;
    margin-bottom: 0.75rem;
}

.experience-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.experience-company {
    font-size: 0.975rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.experience-meta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.8125rem;
    color: var(--color-text-dim);
    font-family: var(--font-mono);
}

.experience-meta span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.experience-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-top: 1rem;
}

/* ── Tech Badges ────────────────────────────────────────────── */
.tech-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(var(--color-accent-rgb), 0.08);
    border: 1px solid rgba(var(--color-accent-rgb), 0.2);
    padding: 0.2em 0.625em;
    border-radius: 4px;
    white-space: nowrap;
    transition: all var(--transition);
}

.tech-badge:hover {
    background: rgba(var(--color-accent-rgb), 0.15);
    border-color: var(--color-accent);
}

/* ── Contact Section ────────────────────────────────────────── */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

.contact-info__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-info__text {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

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

.contact-detail-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(var(--color-accent-rgb), 0.1);
    border: 1px solid var(--color-border-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-detail-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-dim);
    margin-bottom: 0.25rem;
}

.contact-detail-value {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    transition: color var(--transition);
}
.contact-detail-value:hover { color: var(--color-accent); }

/* Availability */
.availability-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.625rem 1rem;
    background: rgba(0,255,136,0.05);
    border: 1px solid rgba(0,255,136,0.2);
    border-radius: 9999px;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: 1.5rem;
}

.availability-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    flex-shrink: 0;
    animation: availPulse 2s ease-in-out infinite;
}

@keyframes availPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(var(--color-accent-rgb), 0.4); }
    50%       { box-shadow: 0 0 0 5px rgba(var(--color-accent-rgb), 0); }
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

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

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.required { color: var(--color-accent); margin-left: 2px; }

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text-primary);
    font-size: 0.9375rem;
    transition: all var(--transition);
    outline: none;
    resize: vertical;
}

.form-control:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), 0.1);
}

.form-control::placeholder { color: var(--color-text-dim); }

/* Form Response */
#contact-response {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.9375rem;
    display: none;
}

#contact-response.is-success {
    display: block;
    background: rgba(0,255,136,0.1);
    border: 1px solid rgba(0,255,136,0.3);
    color: var(--color-accent);
}

#contact-response.is-error {
    display: block;
    background: rgba(255,80,80,0.1);
    border: 1px solid rgba(255,80,80,0.3);
    color: #ff8080;
}

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding-block: 4rem 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-tagline {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin: 0.75rem 0 1.25rem;
}

.footer-heading {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-primary);
    margin-bottom: 1.25rem;
}

.footer-nav-list {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-nav-list a {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    transition: color var(--transition);
}
.footer-nav-list a:hover { color: var(--color-accent); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-text-dim);
}

.footer-heart { color: #ff5466; }

.footer-theme-credit {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--color-text-dim);
}

.code-tag { color: var(--color-accent); }

/* ── Reveal-on-scroll Animations ────────────────────────────── */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .hero-inner  { grid-template-columns: 1fr; gap: 3rem; }
    .hero-visual { display: none; }
    .about-grid  { grid-template-columns: 1fr; }
    .about-image-wrapper { display: none; }
    .timeline-line { left: 1.5rem; }
    .timeline-item,
    .timeline-item--right {
        padding-left: 4.5rem;
        padding-right: 0;
        justify-content: flex-start;
    }
    .timeline-dot { left: 1.5rem; }
    .timeline-card { max-width: 100%; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .project-card--featured { grid-column: span 1; flex-direction: column; }
    .project-card--featured .project-card__image { width: 100%; aspect-ratio: 16/9; }
}

@media (max-width: 768px) {
    .header-inner { height: 64px; }
    .primary-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(10,10,15,0.98);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--color-border);
        padding: 1.5rem;
        transform: translateY(-105%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
    }
    .primary-nav.is-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .nav-menu { flex-direction: column; align-items: flex-start; gap: 0.25rem; }
    .nav-menu li a { padding: 0.75rem 1rem; font-size: 1rem; }
    .hamburger { display: flex; }
    .header-actions .btn { display: none; }

    .hero-stats { gap: 0.75rem; }
    .hero-cta { flex-direction: column; }

    .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .about-highlights { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .hero-stats { flex-direction: column; }
    .skills-grid { grid-template-columns: 1fr; }
}

/* ── Utility ─────────────────────────────────────────────────── */
.visually-hidden { clip: rect(0 0 0 0); clip-path: inset(50%); height: 1px; overflow: hidden; position: absolute; white-space: nowrap; width: 1px; }