:root {
    --bg: #f8fafc;
    --surface: #ffffff;
    --text: #0f172a;
    --muted: #475569;
    --accent: #0ea5a4;
    --line: #e2e8f0;
    --container: 1100px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Plus Jakarta Sans", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.container {
    width: min(calc(100% - 32px), var(--container));
    margin: 0 auto;
}

.section {
    padding: 44px 0;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--line);
}

.nav-shell {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

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

.nav-links a {
    color: var(--muted);
    font-weight: 600;
}

.nav-links a:hover,
.project-links a:hover,
.contact-links a:hover,
.site-footer a:hover {
    color: var(--accent);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 16px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-size: 0.92rem;
    font-weight: 700;
}

.btn-solid {
    background: var(--accent);
    color: #fff;
}

.btn-outline {
    border-color: var(--line);
    background: #fff;
    color: var(--text);
}

.hero {
    padding-top: 52px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    align-items: center;
}

.section-kicker {
    display: inline-block;
    margin-bottom: 12px;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
}

.hero-copy h1 {
    font-size: clamp(2rem, 5vw, 3.3rem);
    line-height: 1.15;
}

.hero-summary {
    margin-top: 14px;
    color: var(--muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.hero-meta,
.signal-grid,
.skills-grid,
.dual-grid {
    display: grid;
    gap: 14px;
}

.hero-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 24px;
}

.meta-item,
.signal-item,
.about-card,
.skill-card,
.info-panel,
.projects-list,
.contact-shell {
    border: 1px solid var(--line);
    background: var(--surface);
    border-radius: 10px;
}

.meta-item,
.signal-item,
.about-card,
.skill-card,
.info-panel,
.project-row {
    padding: 16px;
}

.meta-label {
    display: block;
    margin-bottom: 4px;
    color: var(--muted);
    font-size: 0.78rem;
    text-transform: uppercase;
}

.panel-label,
.project-type {
    display: inline-block;
    margin-bottom: 8px;
    font-size: 0.74rem;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 700;
}

.panel-number {
    display: block;
    margin-bottom: 6px;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
}

.floating-panel p,
.about-card p,
.skill-card li,
.info-panel p,
.project-info p,
.contact-copy p,
.signal-item span {
    color: var(--muted);
}

.signal-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.signal-item span {
    display: block;
    margin-bottom: 6px;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.section-heading {
    margin-bottom: 18px;
}

.section-heading h2,
.info-panel h2,
.contact-copy h2 {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    line-height: 1.2;
}

.about-card p + p {
    margin-top: 10px;
}

.skills-grid,
.dual-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.skill-card ul,
.clean-list {
    padding-left: 20px;
}

.skill-card li,
.clean-list li {
    margin-bottom: 8px;
}

.panel-meta {
    margin: 8px 0 10px;
    font-weight: 700;
    color: var(--accent);
}

.projects-list {
    overflow: hidden;
}

.project-row {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 18px;
}

.project-row + .project-row {
    border-top: 1px solid var(--line);
}

.project-info h3 {
    margin-bottom: 8px;
    font-size: 1.18rem;
}

.project-meta {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-list span {
    padding: 5px 10px;
    border: 1px solid #99f6e4;
    border-radius: 999px;
    font-size: 0.8rem;
    color: #0f766e;
}

.project-links {
    display: flex;
    gap: 14px;
}

.project-links a,
.contact-links a,
.site-footer a {
    color: var(--accent);
    font-weight: 700;
}

.contact-shell {
    display: grid;
    grid-template-columns: 1fr 0.9fr;
    gap: 22px;
    padding: 22px;
}

.contact-copy p {
    margin: 12px 0 16px;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-form {
    display: grid;
    gap: 8px;
}

.contact-form label {
    font-weight: 700;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    color: var(--text);
    font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #2dd4bf;
}

.contact-form button {
    margin-top: 8px;
}

.site-footer {
    padding: 20px 0 30px;
}

.footer-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    color: var(--muted);
    font-size: 0.92rem;
}

@media (max-width: 980px) {
    .hero-grid,
    .signal-grid,
    .skills-grid,
    .dual-grid,
    .project-row,
    .contact-shell,
    .hero-meta {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .site-header {
        position: static;
    }

    .nav-shell,
    .footer-shell {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-links {
        flex-wrap: wrap;
        gap: 12px;
    }
}