/* ===================== RESET & VARIABLES ===================== */
:root {
    --bg-primary:    #0a0a0f;
    --bg-secondary:  #0f0f1a;
    --bg-card:       #13131f;
    --bg-card-hover: #1a1a2e;

    --neon-blue:  #00d4ff;
    --neon-purple:#b24bff;
    --neon-green: #00ff88;
    --neon-pink:  #ff2d78;

    --text-primary:   #f0f0ff;
    --text-secondary: #8888aa;
    --text-muted:     #555577;

    --border:     rgba(255,255,255,0.07);
    --border-glow:rgba(0,212,255,0.3);

    --font-main: 'Inter', sans-serif;
    --font-code: 'JetBrains Mono', monospace;

    --radius:    12px;
    --radius-lg: 20px;
    --shadow:    0 8px 32px rgba(0,0,0,0.4);
    --shadow-neon: 0 0 30px rgba(0,212,255,0.15);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ===================== SCROLLBAR ===================== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--neon-blue); border-radius: 3px; }

/* ===================== LOADER ===================== */
#loader {
    position: fixed; inset: 0;
    background: var(--bg-primary);
    display: flex; align-items: center; justify-content: center;
    z-index: 9999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}
#loader.hidden { opacity: 0; visibility: hidden; }
.loader-inner { text-align: center; }
.loader-logo {
    font-family: var(--font-code);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--neon-blue);
    margin-bottom: 24px;
    animation: pulse 1.5s infinite;
}
.loader-bar {
    width: 200px; height: 3px;
    background: var(--bg-card);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}
.loader-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
    border-radius: 2px;
    animation: loadBar 1.8s ease forwards;
}
@keyframes loadBar {
    from { width: 0; }
    to   { width: 100%; }
}
@keyframes pulse {
    0%,100% { text-shadow: 0 0 20px var(--neon-blue); }
    50%      { text-shadow: 0 0 40px var(--neon-blue), 0 0 80px var(--neon-blue); }
}

/* ===================== PARTICLES BG ===================== */
#particles-bg {
    position: fixed; inset: 0;
    pointer-events: none; z-index: 0;
    overflow: hidden;
}
#particles-bg::before, #particles-bg::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 8s ease-in-out infinite;
}
#particles-bg::before {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(0,212,255,0.05), transparent);
    top: -100px; right: -100px;
}
#particles-bg::after {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(178,75,255,0.05), transparent);
    bottom: -100px; left: -100px;
    animation-delay: -4s;
}
@keyframes float {
    0%,100% { transform: translateY(0) scale(1); }
    50%      { transform: translateY(-40px) scale(1.1); }
}

/* ===================== CONTAINER ===================== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===================== NAVBAR ===================== */
.navbar {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}
.navbar.scrolled {
    background: rgba(10,10,15,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}
.navbar .container {
    display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
    font-family: var(--font-code);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}
.nav-logo span { color: var(--neon-blue); }

.nav-links {
    display: flex; align-items: center; gap: 32px;
}
.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute; bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--neon-blue);
    transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
    color: var(--neon-blue);
}
.nav-links a:hover::after { width: 100%; }

.nav-toggle {
    display: none; flex-direction: column;
    gap: 5px; background: none; border: none;
    cursor: pointer; padding: 4px;
}
.nav-toggle span {
    display: block; width: 24px; height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

/* ===================== BUTTONS ===================== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer; border: none;
    transition: var(--transition);
    text-decoration: none;
}
.btn-primary {
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
    color: #fff;
    box-shadow: 0 4px 20px rgba(0,212,255,0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,212,255,0.5);
}
.btn-outline {
    background: transparent;
    color: var(--neon-blue);
    border: 1.5px solid var(--neon-blue);
}
.btn-outline:hover {
    background: rgba(0,212,255,0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,212,255,0.2);
}
.btn-full { width: 100%; justify-content: center; }

/* ===================== SECTION ===================== */
.section {
    padding: 100px 0;
    position: relative; z-index: 1;
}
.section-dark { background: var(--bg-secondary); }

.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-tag {
    display: inline-block;
    font-family: var(--font-code);
    font-size: 0.85rem;
    color: var(--neon-blue);
    background: rgba(0,212,255,0.08);
    padding: 6px 16px;
    border-radius: 100px;
    border: 1px solid rgba(0,212,255,0.2);
    margin-bottom: 16px;
}
.section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-footer { text-align: center; margin-top: 50px; }

/* ===================== HERO ===================== */
.hero {
    min-height: 100vh;
    display: flex; align-items: center;
    padding: 100px 0 60px;
    position: relative; z-index: 1;
}
.hero > .container { display: none; } /* overridden below */

.hero {
    padding: 100px 24px 60px;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    align-items: center;
    gap: 60px;
    width: 100%;
    position: relative;
    min-height: 100vh;
}

.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 0.85rem;
    color: var(--neon-green);
    background: rgba(0,255,136,0.08);
    border: 1px solid rgba(0,255,136,0.2);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
}
.pulse-green {
    font-size: 0.5rem;
    animation: pulseDot 1.5s infinite;
}
@keyframes pulseDot {
    0%,100% { opacity:1; transform:scale(1); }
    50%      { opacity:0.5; transform:scale(1.5); }
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.8rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
}
.gradient-text {
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple), var(--neon-green));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200%;
    animation: gradientShift 4s infinite;
}
@keyframes gradientShift {
    0%,100% { background-position: 0% 50%; }
    50%      { background-position: 100% 50%; }
}

.hero-subtitle {
    font-family: var(--font-code);
    font-size: 1.2rem;
    color: var(--neon-blue);
    margin-bottom: 16px;
    min-height: 2rem;
}
.cursor { animation: blink 0.8s infinite; }
@keyframes blink { 0%,100%{opacity:1}50%{opacity:0} }

.hero-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 500px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }

.hero-stats { display: flex; align-items: center; gap: 24px; }
.stat { text-align: center; }
.stat-num {
    display: block;
    font-size: 2rem; font-weight: 800;
    color: var(--neon-blue);
}
.stat-label { font-size: 0.8rem; color: var(--text-muted); }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* Code Card */
.hero-visual { display: flex; justify-content: center; }
.code-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow), var(--shadow-neon);
}
.code-header {
    background: var(--bg-secondary);
    padding: 12px 16px;
    display: flex; align-items: center; gap: 8px;
    border-bottom: 1px solid var(--border);
}
.dot { width:12px;height:12px;border-radius:50%; }
.dot.red    { background:#ff5f57; }
.dot.yellow { background:#febc2e; }
.dot.green  { background:#28c840; }
.code-title {
    margin-left: auto;
    font-family: var(--font-code);
    font-size: 0.75rem;
    color: var(--text-muted);
}
.code-body { padding: 24px; }
.code-body pre {
    font-family: var(--font-code);
    font-size: 0.85rem;
    line-height: 1.8;
    white-space: pre-wrap;
}
.c-purple { color: var(--neon-purple); }
.c-green  { color: var(--neon-green); }
.c-yellow { color: #ffd700; }
.c-cyan   { color: var(--neon-blue); }

.hero-scroll {
    position: absolute;
    bottom: 40px; left: 50%;
    transform: translateX(-50%);
    grid-column: 1 / -1;
}
.hero-scroll a {
    color: var(--text-muted);
    font-size: 1.2rem;
    animation: scrollBounce 2s infinite;
}
@keyframes scrollBounce {
    0%,100%{ transform:translateY(0); }
    50%     { transform:translateY(8px); }
}

/* ===================== ABOUT ===================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
}
.image-wrapper {
    position: relative;
    display: inline-block;
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.image-wrapper img {
    width: 100%; border-radius: var(--radius-lg);
}
.avatar-placeholder {
    width: 300px; height: 300px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center;
    font-size: 5rem; color: var(--neon-blue);
}
.image-glow {
    position: absolute; inset: 0;
    border-radius: var(--radius-lg);
    box-shadow: inset 0 0 60px rgba(0,212,255,0.1),
                0 0 60px rgba(0,212,255,0.1);
    pointer-events: none;
}
.about-badges {
    display: flex; flex-wrap: wrap; gap: 10px;
    margin-top: 20px;
}
.badge-item {
    display: flex; align-items: center; gap: 6px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 6px 12px; border-radius: 100px;
}
.about-content h3 {
    font-size: 1.5rem; font-weight: 700;
    color: var(--neon-blue);
    margin-bottom: 16px;
}
.about-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}
.about-info { margin-bottom: 28px; }
.info-item {
    display: flex; align-items: center; gap: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 10px;
}
.info-item i { color: var(--neon-blue); width: 16px; }
.info-item a:hover { color: var(--neon-blue); }
.about-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ===================== SKILLS ===================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
}
.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 16px;
    text-align: center;
    cursor: default;
    transition: var(--transition);
    position: relative; overflow: hidden;
}
.skill-card::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at center, var(--skill-color, var(--neon-blue))10, transparent 70%);
    opacity: 0;
    transition: var(--transition);
}
.skill-card:hover { transform: translateY(-6px); border-color: var(--skill-color, var(--border)); }
.skill-card:hover::before { opacity: 0.08; }
.skill-icon {
    font-size: 2.2rem;
    color: var(--skill-color, var(--neon-blue));
    margin-bottom: 10px;
    filter: drop-shadow(0 0 8px var(--skill-color, var(--neon-blue)));
}
.skill-name { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); }
.skill-cat { font-size: 0.72rem; color: var(--text-muted); margin-top: 4px; }

/* ===================== PROJECTS ===================== */
.filter-bar {
    display: flex; flex-wrap: wrap; gap: 10px;
    justify-content: center; margin-bottom: 24px;
}
.filter-btn {
    padding: 8px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--text-secondary);
    font-size: 0.85rem; font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active {
    background: rgba(0,212,255,0.1);
    border-color: var(--neon-blue);
    color: var(--neon-blue);
}
.search-bar {
    display: flex; align-items: center;
    gap: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 20px;
    max-width: 400px; margin: 0 auto 48px;
}
.search-bar i { color: var(--text-muted); }
.search-bar input {
    background: none; border: none;
    color: var(--text-primary);
    font-size: 0.95rem; font-family: var(--font-main);
    width: 100%; outline: none;
}
.search-bar input::placeholder { color: var(--text-muted); }

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}
.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}
.project-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0,212,255,0.3);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 30px rgba(0,212,255,0.1);
}
.project-img {
    position: relative; height: 200px; overflow: hidden;
}
.project-img img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.5s ease;
}
.project-card:hover .project-img img { transform: scale(1.05); }
.project-img-placeholder {
    width: 100%; height: 100%;
    background: var(--bg-secondary);
    display: flex; align-items: center; justify-content: center;
    font-size: 3rem; color: var(--neon-blue);
}
.project-overlay {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }
.overlay-btn {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 24px;
    background: var(--neon-blue);
    color: #000; font-weight: 700;
    border-radius: var(--radius);
    font-size: 0.9rem;
}
.project-category {
    position: absolute; top: 12px; left: 12px;
    font-size: 0.72rem; font-weight: 600;
    background: rgba(0,212,255,0.15);
    border: 1px solid rgba(0,212,255,0.3);
    color: var(--neon-blue);
    padding: 4px 12px; border-radius: 100px;
    backdrop-filter: blur(4px);
}
.project-body { padding: 20px; }
.project-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.project-desc {
    font-size: 0.88rem; color: var(--text-secondary);
    margin-bottom: 14px; line-height: 1.6;
    display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
}
.project-techs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.tech-tag {
    font-size: 0.72rem; font-family: var(--font-code);
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 3px 10px; border-radius: 100px;
}
.tech-tag.more { color: var(--neon-purple); border-color: rgba(178,75,255,0.3); }
.project-links { display: flex; gap: 8px; flex-wrap: wrap; }
.plink {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 14px;
    border-radius: var(--radius);
    font-size: 0.8rem; font-weight: 600;
    transition: var(--transition);
}
.plink-detail { background: rgba(0,212,255,0.1); color: var(--neon-blue); border: 1px solid rgba(0,212,255,0.2); }
.plink-demo   { background: rgba(0,255,136,0.1); color: var(--neon-green); border: 1px solid rgba(0,255,136,0.2); }
.plink-github { background: rgba(255,255,255,0.05); color: var(--text-secondary); border: 1px solid var(--border); }
.plink-download { background: rgba(178,75,255,0.1); color: var(--neon-purple); border: 1px solid rgba(178,75,255,0.2); }
.plink:hover { transform: translateY(-2px); opacity: 0.9; }

.no-projects {
    grid-column: 1/-1; text-align: center;
    padding: 80px; color: var(--text-muted);
}
.no-projects i { font-size: 3rem; margin-bottom: 16px; display: block; }

/* ===================== TIMELINE ===================== */
.timeline-tabs {
    display: flex; flex-wrap: wrap; gap: 10px;
    justify-content: center; margin-bottom: 50px;
}
.tab-btn {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--text-secondary);
    font-size: 0.9rem; font-weight: 500;
    cursor: pointer; transition: var(--transition);
}
.tab-btn.active, .tab-btn:hover {
    background: rgba(0,212,255,0.1);
    border-color: var(--neon-blue);
    color: var(--neon-blue);
}
.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before {
    content: '';
    position: absolute; left: 20px; top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--neon-blue), var(--neon-purple));
    opacity: 0.3;
}
.timeline-item {
    display: flex; gap: 32px;
    margin-bottom: 32px; padding-left: 20px;
}
.timeline-dot {
    width: 40px; height: 40px; min-width: 40px;
    background: var(--bg-card);
    border: 2px solid var(--neon-blue);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--neon-blue); font-size: 0.8rem;
    position: relative; z-index: 1;
    margin-left: -20px;
}
.timeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px; flex: 1;
    transition: var(--transition);
}
.timeline-card:hover { border-color: rgba(0,212,255,0.3); }
.timeline-date {
    font-family: var(--font-code);
    font-size: 0.78rem;
    color: var(--neon-blue);
    margin-bottom: 8px;
}
.timeline-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.timeline-institution {
    font-size: 0.83rem; color: var(--text-muted);
    margin-bottom: 8px;
}
.timeline-card p { font-size: 0.88rem; color: var(--text-secondary); }
.timeline-empty {
    text-align: center; padding: 60px;
    color: var(--text-muted);
}
.timeline-empty i { font-size: 2.5rem; margin-bottom: 12px; display: block; }

/* ===================== CONTACT ===================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 60px; align-items: start;
}
.contact-text h3 {
    font-size: 1.5rem; font-weight: 700;
    margin-bottom: 12px;
}
.contact-text p { color: var(--text-secondary); margin-bottom: 32px; }
.contact-links { display: flex; flex-direction: column; gap: 14px; margin-bottom: 32px; }
.contact-link {
    display: flex; align-items: center; gap: 16px;
    padding: 14px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition); color: var(--text-primary);
}
.contact-link:hover {
    border-color: rgba(0,212,255,0.3);
    transform: translateX(4px);
}
.clink-icon {
    width: 42px; height: 42px;
    background: rgba(0,212,255,0.1);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; color: var(--neon-blue);
}
.contact-link span { font-size: 0.78rem; color: var(--text-muted); display: block; }
.contact-link strong { font-size: 0.9rem; }
.social-links { display: flex; gap: 12px; }
.social-link {
    width: 44px; height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; color: var(--text-secondary);
    transition: var(--transition);
}
.social-link:hover {
    border-color: var(--neon-blue);
    color: var(--neon-blue);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,212,255,0.2);
}
.contact-form-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
}
.contact-form .form-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block; font-size: 0.85rem; font-weight: 600;
    color: var(--text-secondary); margin-bottom: 8px;
}
.form-group input, .form-group textarea {
    width: 100%; padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font-main); font-size: 0.95rem;
    transition: var(--transition); outline: none;
}
.form-group input:focus, .form-group textarea:focus {
    border-color: var(--neon-blue);
    box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
#formMsg { margin-top: 16px; text-align: center; font-size: 0.9rem; }
#formMsg.success { color: var(--neon-green); }
#formMsg.error   { color: var(--neon-pink); }

/* ===================== FOOTER ===================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 40px 0;
    position: relative; z-index: 1;
}
.footer-content {
    display: flex; align-items: center;
    justify-content: space-between; flex-wrap: wrap;
    gap: 20px;
}
.footer-logo {
    font-family: var(--font-code);
    font-size: 1.3rem; font-weight: 700;
}
.footer-logo span { color: var(--neon-blue); }
.footer-content p { color: var(--text-muted); font-size: 0.85rem; }
.footer-links { display: flex; gap: 24px; }
.footer-links a {
    font-size: 0.85rem; color: var(--text-muted);
    transition: var(--transition);
}
.footer-links a:hover { color: var(--neon-blue); }

/* ===================== SCROLL TOP ===================== */
.scroll-top {
    position: fixed; bottom: 30px; right: 30px;
    width: 44px; height: 44px;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
    border: none; border-radius: 50%;
    color: #fff; font-size: 1rem;
    cursor: pointer; z-index: 100;
    transition: var(--transition);
    opacity: 0; visibility: hidden;
    display: flex; align-items: center; justify-content: center;
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,212,255,0.4); }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
    .hero { grid-template-columns: 1fr; text-align: center; padding-top: 120px; }
    .hero-visual { display: none; }
    .hero-buttons, .hero-stats { justify-content: center; }
    .hero-desc { margin: 0 auto 36px; }
    .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .about-image { text-align: center; }
    .avatar-placeholder { margin: 0 auto; }
}
@media (max-width: 768px) {
    .nav-links { display: none; position: fixed; inset: 0; background: rgba(10,10,15,0.98); flex-direction: column; align-items: center; justify-content: center; gap: 32px; z-index: 999; }
    .nav-links.open { display: flex; }
    .nav-links a { font-size: 1.3rem; }
    .nav-toggle { display: flex; z-index: 1001; }
    .projects-grid { grid-template-columns: 1fr; }
    .contact-form .form-row { grid-template-columns: 1fr; }
    .contact-form-wrap { padding: 24px; }
    .footer-content { flex-direction: column; text-align: center; }
    .skills-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
}
@media (max-width: 480px) {
    .section { padding: 70px 0; }
    .hero-title { font-size: 2rem; }
    .btn { padding: 10px 20px; font-size: 0.88rem; }
}