:root {
    --bg-main: #0a0e17;
    --bg-card: #131b2e;
    --bg-card-hover: #19243c;
    --bg-alt: #0e1424;
    --primary: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.4);
    --primary-dark: #2563eb;
    --accent: #f59e0b;
    --accent-glow: rgba(245, 158, 11, 0.35);
    --cyan: #06b6d4;
    --emerald: #10b981;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(59, 130, 246, 0.45);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 20px 45px rgba(0, 0, 0, 0.6);
    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 22px;
    --nav-height: 72px;
    --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
    min-height: 100vh;
    min-height: 100dvh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    touch-action: manipulation;
    background-image:
        radial-gradient(ellipse 75% 45% at 15% 15%, rgba(59, 130, 246, 0.16), transparent 60%),
        radial-gradient(ellipse 65% 35% at 85% 75%, rgba(245, 158, 11, 0.12), transparent 60%),
        radial-gradient(ellipse 50% 50% at 50% 40%, rgba(6, 182, 212, 0.06), transparent 70%);
    background-attachment: fixed;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

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

ul {
    list-style: none;
}

button, input, textarea {
    font-family: inherit;
    -webkit-appearance: none;
    appearance: none;
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section-alt {
    background: rgba(255, 255, 255, 0.015);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 56px;
}

.section-tag {
    display: inline-block;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.85rem;
    color: var(--accent);
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.25);
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2rem, 4vw, 2.7rem);
    font-weight: 800;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.section-title span {
    background: linear-gradient(135deg, var(--primary), var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-sub {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.6;
}

.title-underline {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 4px;
    margin: 12px auto 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 26px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.96rem;
    border: 1px solid transparent;
    cursor: pointer;
    min-height: 48px;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #2563eb);
    color: #fff;
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-primary:hover, .btn-primary:active {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.5);
    filter: brightness(1.1);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    border-color: var(--border);
}

.btn-ghost:hover, .btn-ghost:active {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
    transform: translateY(-3px);
    color: #fff;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 14, 23, 0.98);
    box-shadow: var(--shadow-sm);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    font-size: 1.45rem;
    letter-spacing: -0.5px;
}

.logo-code {
    color: var(--accent);
    font-family: 'Roboto Mono', monospace;
    font-size: 1.1rem;
}

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

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

.nav-links a {
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-muted);
}

.nav-links a:hover,
.nav-links a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.nav-cta {
    background: var(--primary) !important;
    color: #fff !important;
    padding: 8px 18px !important;
    font-weight: 600 !important;
}

.nav-cta:hover {
    background: var(--primary-dark) !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    width: 44px;
    height: 44px;
    border-radius: 8px;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2.5px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.hamburger.open span:nth-child(1) {
    transform: translateY(8.5px) rotate(45deg);
}

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

.hamburger.open span:nth-child(3) {
    transform: translateY(-8.5px) rotate(-45deg);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10, 14, 23, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    flex-direction: column;
    gap: 8px;
    z-index: 999;
}

.mobile-menu.open {
    display: flex;
}

.mobile-menu a {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-weight: 500;
    font-size: 1.05rem;
    min-height: 48px;
    display: flex;
    align-items: center;
}

.mobile-menu a:hover,
.mobile-menu a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--nav-height) + 20px);
    padding-bottom: 60px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
    align-items: center;
}

.hero-terminal-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.92rem;
    font-weight: 600;
    color: #34d399;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 7px 16px;
    border-radius: 30px;
    margin-bottom: 20px;
}

.hero-terminal-tag .status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 10px #10b981;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-name {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2.5rem, 5.5vw, 4.2rem);
    font-weight: 900;
    line-height: 1.12;
    margin-bottom: 14px;
}

.hero-name .accent-name {
    background: linear-gradient(135deg, #60a5fa, #38bdf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-role {
    font-size: clamp(1.2rem, 2.5vw, 1.65rem);
    color: var(--text-muted);
    margin-bottom: 22px;
    min-height: 2.2em;
    font-weight: 400;
}

.hero-role .typed {
    color: var(--accent);
    font-weight: 600;
    font-family: 'Roboto Mono', monospace;
}

.hero-role .cursor {
    display: inline-block;
    width: 2px;
    height: 1.1em;
    background: var(--accent);
    margin-left: 4px;
    vertical-align: middle;
    animation: blink 1s steps(2) infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.hero-bio {
    color: var(--text-muted);
    max-width: 560px;
    margin-bottom: 32px;
    font-size: 1.05rem;
    line-height: 1.7;
}

.hero-bio strong {
    color: var(--text);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.hero-socials {
    display: flex;
    gap: 12px;
    align-items: center;
}

.social-link {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 1.25rem;
    transition: var(--transition);
}

.social-link:hover, .social-link:active {
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px var(--primary-glow);
    background: var(--bg-card-hover);
}

.hero-image-wrap {
    position: relative;
    justify-self: center;
    width: min(390px, 90vw);
}

.hero-image-ring {
    position: absolute;
    inset: -14px;
    border-radius: 32px;
    background: conic-gradient(from 0deg, var(--primary), var(--accent), var(--cyan), var(--primary));
    filter: blur(24px);
    opacity: 0.65;
    animation: spin 16s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.hero-image {
    position: relative;
    border-radius: 26px;
    overflow: hidden;
    aspect-ratio: 3 / 4;
    width: 100%;
    border: 3px solid rgba(255, 255, 255, 0.16);
    box-shadow: var(--shadow-lg), 0 0 35px rgba(59, 130, 246, 0.25);
    background: var(--bg-card);
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 15%;
    transform: scale(1.02);
    transition: transform 0.5s ease;
}

.hero-image:hover img {
    transform: scale(1.06);
}

.hero-badge {
    position: absolute;
    bottom: -12px;
    right: -10px;
    background: rgba(19, 27, 46, 0.95);
    border: 1px solid var(--border-hover);
    padding: 10px 18px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.92rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    animation: float 4.5s ease-in-out infinite;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 2;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.hero-badge i {
    color: var(--accent);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 52px;
    align-items: center;
}

.about-img-wrap {
    position: relative;
    width: 100%;
}

.about-img {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    aspect-ratio: 4 / 3;
    width: 100%;
    background: var(--bg-card);
}

.about-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.6s ease;
}

.about-img:hover img {
    transform: scale(1.04);
}

.about-img-badge {
    position: absolute;
    bottom: 16px;
    left: 16px;
    right: 16px;
    background: rgba(10, 14, 23, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    padding: 12px 18px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.88rem;
}

.about-img-badge span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
}

.about-img-badge span i {
    color: var(--primary);
}

.about-text h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.85rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: #fff;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 16px;
    font-size: 1.02rem;
    line-height: 1.7;
}

.about-info-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin: 24px 0;
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.info-card i {
    color: var(--primary);
    font-size: 1.25rem;
    margin-top: 2px;
}

.info-card h4 {
    font-size: 0.85rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 3px;
}

.info-card p {
    color: var(--text);
    font-size: 0.95rem;
    margin-bottom: 0;
    font-weight: 500;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 28px;
}

.stat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    text-align: center;
    transition: var(--transition);
}

.stat:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.stat-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.skill-category-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}

.skill-category-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}

.category-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-size: 1.25rem;
    background: rgba(59, 130, 246, 0.12);
    color: var(--primary);
}

.category-header h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.skill-item-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.skill-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.92rem;
}

.skill-meta span:first-child {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.skill-meta span i {
    width: 18px;
    text-align: center;
    color: var(--primary);
}

.skill-meta .skill-pct {
    font-family: 'Roboto Mono', monospace;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.skill-progress-bar {
    height: 7px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    overflow: hidden;
}

.skill-progress-bar span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 6px;
    width: 0%;
    transition: width 1.3s cubic-bezier(0.25, 1, 0.5, 1);
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    min-height: 42px;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 14px var(--primary-glow);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

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

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
}

.project-card-header {
    padding: 24px 24px 16px;
    background: linear-gradient(180deg, rgba(59, 130, 246, 0.08) 0%, transparent 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.project-folder-icon {
    font-size: 2rem;
    color: var(--accent);
}

.project-meta-links {
    display: flex;
    gap: 8px;
    align-items: center;
}

.project-meta-links a {
    color: var(--text-muted);
    font-size: 1.25rem;
    padding: 6px;
    transition: var(--transition);
}

.project-meta-links a:hover {
    color: var(--primary);
    transform: translateY(-2px);
}

.project-meta-links a.pypi-link-icon:hover {
    color: #38bdf8;
}

.project-body {
    padding: 0 24px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
}

.project-desc {
    color: var(--text-muted);
    font-size: 0.94rem;
    margin-bottom: 14px;
    flex: 1;
    line-height: 1.6;
}

.pip-install-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(10, 14, 23, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    padding: 8px 12px;
    margin-bottom: 14px;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.84rem;
}

.pip-install-box code {
    color: #38bdf8;
    user-select: all;
}

.pip-copy-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 6px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.pip-copy-btn:hover {
    color: #fff;
}

.pypi-action-row {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 14px;
}

.pypi-doc-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.25);
    padding: 5px 12px;
    border-radius: 6px;
    transition: var(--transition);
}

.pypi-doc-btn:hover {
    background: rgba(56, 189, 248, 0.2);
    color: #fff;
    border-color: #38bdf8;
    transform: translateY(-2px);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.tag {
    font-size: 0.78rem;
    font-family: 'Roboto Mono', monospace;
    padding: 4px 10px;
    border-radius: 6px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    border: 1px solid rgba(59, 130, 246, 0.25);
}

.tag.accent-tag {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent);
    border-color: rgba(245, 158, 11, 0.25);
}

.tag.pypi-tag {
    background: rgba(56, 189, 248, 0.1);
    color: #38bdf8;
    border-color: rgba(56, 189, 248, 0.3);
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.research-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.research-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.research-top {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.research-top i {
    color: var(--accent);
    font-size: 1.25rem;
}

.research-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
}

.research-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
    line-height: 1.6;
}

.research-link {
    font-size: 0.88rem;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    min-height: 36px;
}

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

.github-stats-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-top: 10px;
    width: 100%;
}

.github-stat-img {
    max-width: 100%;
    width: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-card);
    padding: 8px;
    transition: var(--transition);
}

.github-stat-img:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    min-height: 64px;
    transition: var(--transition);
}

.contact-card:hover, .contact-card:active {
    border-color: var(--primary);
    transform: translateX(4px);
    background: var(--bg-card-hover);
}

.contact-card .contact-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: rgba(59, 130, 246, 0.12);
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-card .label {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-card .value {
    font-weight: 600;
    font-size: 0.95rem;
    word-break: break-all;
    color: var(--text);
}

.contact-form-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
    font-size: 0.96rem;
    min-height: 48px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

textarea.form-control {
    resize: vertical;
    min-height: 140px;
}

.form-submit {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
}

.form-status {
    margin-top: 14px;
    padding: 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    text-align: center;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.4);
    color: #34d399;
}

.footer {
    border-top: 1px solid var(--border);
    padding: 50px 0 30px;
    background: rgba(10, 14, 23, 0.8);
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 30px;
}

.footer-logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    font-size: 1.35rem;
}

.footer-logo span {
    color: var(--primary);
}

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

.footer-links a {
    color: var(--text-muted);
    font-size: 0.92rem;
    padding: 4px;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-socials {
    display: flex;
    gap: 10px;
}

.footer-socials a {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-socials a:hover {
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-3px);
}

.footer-copy {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.88rem;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
    display: grid;
    place-items: center;
    font-size: 1.15rem;
    box-shadow: 0 6px 18px var(--primary-glow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: var(--transition);
    z-index: 900;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover, .back-to-top:active {
    background: var(--primary-dark);
    transform: translateY(-4px);
}

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-terminal-tag {
        margin: 0 auto 16px;
    }

    .hero-bio {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions, .hero-socials {
        justify-content: center;
    }

    .hero-image-wrap {
        order: -1;
        width: min(340px, 80vw);
    }

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

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .section {
        padding: 70px 0;
    }

    .hero {
        padding-top: calc(var(--nav-height) + 10px);
    }

    .about-info-cards {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .contact-form-wrap {
        padding: 22px;
    }
}

@media (max-width: 480px) {
    .hero-image-wrap {
        width: min(300px, 86vw);
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

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

    .btn {
        width: 100%;
    }
}