:root,
[data-theme="dark"] {
    --bg: #0a0f1a;
    --bg-card: #111827;
    --border: #1f2937;
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-glow: rgba(59, 130, 246, 0.15);
    --text: #d1d5db;
    --text-bright: #f3f4f6;
    --text-muted: #6b7280;
    --text-faint: #9ca3af;
    --green: #22c55e;
    --yellow: #eab308;
    --white: #ffffff;
    --nav-bg: rgba(10, 15, 26, 0.92);
    --tag-bg: rgba(59, 130, 246, 0.08);
    --tag-border: rgba(59, 130, 246, 0.12);
    --tag-sec-bg: rgba(234, 179, 8, 0.08);
    --tag-sec-border: rgba(234, 179, 8, 0.15);
    --hover-bg: rgba(255, 255, 255, 0.05);
    --card-hover-border: rgba(59, 130, 246, 0.3);
    --card-hover-shadow: rgba(59, 130, 246, 0.06);
    --hero-grad-1: rgba(59, 130, 246, 0.12);
    --hero-grad-2: rgba(99, 102, 241, 0.08);
    --badge-bg: rgba(34, 197, 94, 0.1);
    --badge-border: rgba(34, 197, 94, 0.3);
    --promo-bg: rgba(34, 197, 94, 0.08);
    --promo-border: rgba(34, 197, 94, 0.15);
    --scroll-top-bg: var(--bg-card);
    --radius: 10px;
    --radius-lg: 16px;
}

[data-theme="light"] {
    --bg: #f8fafc;
    --bg-card: #ffffff;
    --border: #e2e8f0;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-glow: rgba(37, 99, 235, 0.12);
    --text: #475569;
    --text-bright: #0f172a;
    --text-muted: #64748b;
    --text-faint: #94a3b8;
    --green: #16a34a;
    --yellow: #ca8a04;
    --white: #ffffff;
    --nav-bg: rgba(248, 250, 252, 0.92);
    --tag-bg: rgba(37, 99, 235, 0.06);
    --tag-border: rgba(37, 99, 235, 0.15);
    --tag-sec-bg: rgba(202, 138, 4, 0.06);
    --tag-sec-border: rgba(202, 138, 4, 0.18);
    --hover-bg: rgba(0, 0, 0, 0.03);
    --card-hover-border: rgba(37, 99, 235, 0.35);
    --card-hover-shadow: rgba(37, 99, 235, 0.08);
    --hero-grad-1: rgba(37, 99, 235, 0.06);
    --hero-grad-2: rgba(99, 102, 241, 0.04);
    --badge-bg: rgba(22, 163, 74, 0.08);
    --badge-border: rgba(22, 163, 74, 0.25);
    --promo-bg: rgba(22, 163, 74, 0.06);
    --promo-border: rgba(22, 163, 74, 0.18);
    --scroll-top-bg: var(--white);
}

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

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
    transition: background 0.3s, color 0.3s;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

/* SKIP LINK */
.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--primary);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 0 0 8px 8px;
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 200;
    text-decoration: none;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

/* ANIMATIONS */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger > .stagger-visible {
    opacity: 1;
    transform: translateY(0);
}

/* NAV */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    transition: all 0.3s;
}

#navbar.scrolled {
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-bright);
    text-decoration: none;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.nav-links a {
    color: var(--text-faint);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 6px;
    transition: all 0.2s;
}

.nav-links a:hover {
    color: var(--text-bright);
    background: var(--hover-bg);
}

.nav-cta {
    background: var(--primary) !important;
    color: var(--white) !important;
}

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

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

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--text-faint);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.8rem;
    font-weight: 700;
    font-family: inherit;
}

.icon-btn:hover {
    color: var(--text-bright);
    border-color: var(--text-muted);
    background: var(--hover-bg);
}

.lang-label {
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }
[data-theme="light"] .icon-sun { display: block; }
[data-theme="light"] .icon-moon { display: none; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-bright);
    border-radius: 2px;
    transition: all 0.3s;
}

.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); }

/* HERO */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 120px 24px 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, var(--hero-grad-1) 0%, transparent 60%),
        radial-gradient(ellipse 40% 30% at 70% 20%, var(--hero-grad-2) 0%, transparent 50%);
    transition: background 0.3s;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: var(--badge-bg);
    border: 1px solid var(--badge-border);
    color: var(--green);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 32px;
    letter-spacing: 0.3px;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    color: var(--text-bright);
    margin-bottom: 12px;
    letter-spacing: -2px;
    line-height: 1.1;
}

.hero-title {
    font-size: 1.3rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 16px;
}

.hero-stack {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.hero-stack span {
    background: var(--hover-bg);
    border: 1px solid var(--border);
    color: var(--text-faint);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.hero-location {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 36px;
}

.hero-links {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 10px 22px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 0 24px var(--primary-glow);
    transform: translateY(-1px);
}

.btn-outline {
    color: var(--primary);
    border: 1px solid var(--primary);
    background: transparent;
}

.btn-outline:hover {
    background: var(--tag-bg);
    transform: translateY(-1px);
}

.btn-ghost {
    color: var(--text-faint);
    border: 1px solid var(--border);
    background: transparent;
}

.btn-ghost:hover {
    color: var(--text-bright);
    border-color: var(--text-muted);
    background: var(--hover-bg);
}

.btn-sm {
    padding: 7px 14px;
    font-size: 0.78rem;
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.hero-scroll span {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-muted), transparent);
    animation: scroll-pulse 2s ease infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* SECTIONS */
section {
    padding: 100px 0;
    position: relative;
}

section + section {
    border-top: 1px solid var(--border);
}

.section-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 48px;
}

/* ABOUT */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 48px;
    align-items: start;
}

.about-text .lead {
    font-size: 1.2rem;
    color: var(--text-bright);
    font-weight: 500;
    margin-bottom: 20px;
    line-height: 1.7;
}

.about-text p {
    margin-bottom: 14px;
    font-size: 0.95rem;
    color: var(--text);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.stat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    transition: border-color 0.3s, background 0.3s;
}

.stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* PROJECTS */
.projects-grid {
    display: grid;
    gap: 20px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.3s;
}

.project-card:hover {
    border-color: var(--card-hover-border);
    box-shadow: 0 0 40px var(--card-hover-shadow);
    transform: translateY(-2px);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.project-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--green);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-dot {
    width: 6px;
    height: 6px;
    background: var(--green);
    border-radius: 50%;
    display: inline-block;
    animation: pulse 2s ease infinite;
}

.dot-yellow { background: var(--yellow); }
.status-dev { color: var(--yellow); }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.project-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
}

.project-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 10px;
}

.project-card p {
    font-size: 0.9rem;
    color: var(--text);
    margin-bottom: 18px;
    line-height: 1.7;
}

.project-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.project-stack span {
    background: var(--tag-bg);
    border: 1px solid var(--tag-border);
    color: var(--primary);
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* TIMELINE */
.timeline {
    position: relative;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    margin-bottom: 20px;
}

.timeline-dot {
    position: absolute;
    left: -32px;
    top: 28px;
    width: 15px;
    height: 15px;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 50%;
    z-index: 1;
    transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}

.timeline-item:hover .timeline-dot {
    border-color: var(--primary);
    box-shadow: 0 0 12px var(--primary-glow);
}

.dot-active {
    border-color: var(--green) !important;
    background: var(--promo-bg) !important;
}

.timeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: all 0.3s;
}

.timeline-card:hover {
    border-color: var(--card-hover-border);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
    gap: 16px;
}

.timeline-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-bright);
}

.company {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.date {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    background: var(--hover-bg);
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: 500;
}

.timeline-desc {
    font-size: 0.88rem;
    color: var(--text);
    line-height: 1.7;
}

.timeline-promotion {
    margin-top: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--green);
    background: var(--promo-bg);
    border: 1px solid var(--promo-border);
    display: inline-block;
    padding: 4px 12px;
    border-radius: 4px;
}

/* SKILLS */
.skills-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.skill-group {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: background 0.3s, border-color 0.3s;
}

.skill-group h3 {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 14px;
    font-weight: 700;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tags span {
    background: var(--tag-bg);
    border: 1px solid var(--tag-border);
    color: var(--primary);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 500;
}

.tags-security span {
    background: var(--tag-sec-bg);
    border-color: var(--tag-sec-border);
    color: var(--yellow);
}

/* CERTIFICATIONS */
.certs-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cert-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    border-radius: 8px;
    transition: background 0.2s;
}

.cert-row:hover {
    background: var(--hover-bg);
}

.cert-badge {
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    white-space: nowrap;
    min-width: 50px;
    text-align: center;
}

.cert-badge.cisco {
    background: var(--tag-bg);
    color: var(--primary);
}

.cert-badge.dio {
    background: rgba(168, 85, 247, 0.12);
    color: #a855f7;
}

[data-theme="light"] .cert-badge.dio {
    background: rgba(147, 51, 234, 0.08);
    color: #7c3aed;
}

.cert-name {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-bright);
    font-weight: 500;
}

.cert-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* EDUCATION */
.education-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.education-card {
    display: flex;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: background 0.3s, border-color 0.3s;
}

.edu-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.education-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-bright);
    margin-bottom: 2px;
}

.edu-desc {
    font-size: 0.8rem;
    color: var(--text);
    margin-top: 6px;
}

/* LANGUAGES */
.languages-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    max-width: 500px;
}

.language-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    transition: background 0.3s, border-color 0.3s;
}

.lang-flag {
    font-size: 1.8rem;
    line-height: 1;
}

.language-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-bright);
    margin-bottom: 2px;
}

.lang-level {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* CONTACT */
#contact {
    text-align: center;
}

.contact-intro {
    font-size: 1.15rem;
    color: var(--text);
    margin-bottom: 36px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 28px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    transition: all 0.3s;
    color: var(--text-muted);
}

.contact-card:hover {
    border-color: var(--primary);
    background: var(--tag-bg);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px var(--card-hover-shadow);
}

.contact-card:hover svg {
    color: var(--primary);
}

.contact-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 700;
}

.contact-value {
    font-size: 0.8rem;
    color: var(--text-bright);
    font-weight: 500;
}

/* FOOTER */
footer {
    border-top: 1px solid var(--border);
    padding: 48px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 32px;
}

.footer-col h4 {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-col ul li {
    font-size: 0.85rem;
}

.footer-col ul a {
    color: var(--text-faint);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-col ul span {
    color: var(--text-faint);
    font-size: 0.85rem;
}

.footer-social {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 16px;
}

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

.footer-social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-faint);
    transition: all 0.2s;
}

.footer-social-links a:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--tag-bg);
}

.footer-copy {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: right;
}

/* SCROLL TO TOP */
#scroll-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--scroll-top-bg);
    border: 1px solid var(--border);
    color: var(--text-faint);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.3s;
    z-index: 50;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

#scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#scroll-top:hover {
    color: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .nav-toggle { display: flex; }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--nav-bg);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        padding: 16px 24px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.active { display: flex; }
    .nav-links a { padding: 10px 14px; }

    .hero-content h1 { font-size: 2.5rem; }
    .hero-title { font-size: 1.1rem; }
    .hero-scroll { display: none; }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .timeline-header { flex-direction: column; }
    .date { align-self: flex-start; }

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

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

    .languages-grid { max-width: 100%; }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer-social {
        align-items: flex-start;
    }

    .footer-copy {
        text-align: left;
    }

    .project-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    section { padding: 72px 0; }
}

@media (max-width: 480px) {
    .hero-content h1 { font-size: 2rem; }
    .about-stats { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .languages-grid { grid-template-columns: 1fr; }
}