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

html, body { margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: #0d0d12;
    color: #eaeaf0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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


:root {
    --bg: #0d0d12;
    --bg-elev: #16161e;
    --border: rgba(255, 255, 255, 0.1);
    --text: #eaeaf0;
    --text-muted: #9a9aae;
    --accent: #ff5a3c;
    --accent-hover: #ff7659;
    --radius: 12px;
    --gap: 24px;
    --container: 1100px;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}

.muted { color: var(--text-muted); }
.accent { color: var(--accent); }
.lead { font-size: 1.15rem; }

.skip-link {
    position: absolute;
    top: -100px;
    left: 8px;
    padding: 8px 16px;
    background: var(--accent);
    color: #fff;
    z-index: 100;
    border-radius: var(--radius);
    transition: top 0.2s;
}
.skip-link:focus { top: 8px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(13, 13, 18, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    gap: var(--gap);
}

.logo {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.01em;
}

.site-nav {
    display: flex;
    gap: 28px;
    font-size: 0.95rem;
}

.site-nav a {
    color: var(--text-muted);
    transition: color 0.15s;
}
.site-nav a:hover,
.site-nav a:focus-visible { color: var(--accent); }

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: transparent;
    cursor: pointer;
    padding: 0;
    position: relative;
}
.nav-toggle__line {
    position: absolute;
    left: 50%;
    width: 20px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transform: translateX(-50%);
    transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle__line:nth-child(1) { top: 14px; }
.nav-toggle__line:nth-child(2) { top: 21px; }
.nav-toggle__line:nth-child(3) { top: 28px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1) {
    transform: translateX(-50%) translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(2) {
    opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(3) {
    transform: translateX(-50%) translateY(-7px) rotate(-45deg);
}

.mobile-nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 20;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}
.mobile-nav-backdrop[hidden] { display: none; }

.welcome {
    padding: 100px 0 80px;
    text-align: center;
}
.welcome h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin: 0 0 16px;
    letter-spacing: -0.03em;
}
.welcome__lead {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    margin: 0 0 16px;
}
.welcome__text {
    max-width: 600px;
    margin: 0 auto 32px;
    color: var(--text-muted);
}
.welcome__actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 0.95rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn--accent {
    background: var(--accent);
    color: #fff;
}
.btn--accent:hover,
.btn--accent:focus-visible { background: var(--accent-hover); }

.btn--outline {
    background: transparent;
    border-color: var(--border);
    color: var(--text);
}
.btn--outline:hover,
.btn--outline:focus-visible { border-color: var(--accent); color: var(--accent); }

.section { padding: 72px 0; }

.section h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin: 0 0 32px;
    letter-spacing: -0.02em;
}

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
    gap: 40px;
    align-items: start;
}
.about-copy p { margin: 0 0 16px; }

.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0;
    margin: 24px 0 0;
    list-style: none;
}
.tech-list li {
    padding: 4px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--gap);
}

.card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: border-color 0.15s, transform 0.15s;
}
.card:hover { border-color: var(--accent); }

.card h3 {
    margin: 0;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
}
.card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.92rem;
}

.tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin: 0;
}

.card-link {
    margin-top: auto;
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 500;
}
.card-link:hover { color: var(--accent-hover); }

.card--cta {
    align-items: center;
    justify-content: center;
    background: transparent;
    border-style: dashed;
}
.card--cta:hover { border-color: var(--accent); }

.contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.contact-list a {
    color: var(--text);
    border-bottom: 1px solid var(--border);
    padding-bottom: 2px;
    transition: color 0.15s, border-color 0.15s;
}
.contact-list a:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.site-footer {
    border-top: 1px solid var(--border);
    padding: 24px 0;
    margin-top: 40px;
    font-size: 0.9rem;
    color: var(--text-muted);
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.content-media { margin: 0; }

.content-media img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius);
}

.content-media figcaption {
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.content-media--hero img { max-width: 100%; }

.media-lightbox-trigger {
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: zoom-in;
    border-radius: var(--radius);
    overflow: hidden;
    transition: opacity 0.15s;
}
.media-lightbox-trigger:hover,
.media-lightbox-trigger:focus-visible { opacity: 0.9; }
.media-lightbox-trigger img { width: 100%; }

.media-lightbox {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: grid;
    place-items: center;
    padding: 24px;
}
.media-lightbox[hidden] { display: none; }

.media-lightbox__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    cursor: zoom-out;
}

.media-lightbox__figure {
    position: relative;
    z-index: 1;
    margin: 0;
    max-width: min(92vw, 1400px);
    max-height: 88vh;
}

.media-lightbox__image {
    display: block;
    width: auto;
    max-width: 100%;
    max-height: 88vh;
    height: auto;
    border-radius: var(--radius);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
}

.media-lightbox__close {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 2;
    padding: 10px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(20, 20, 28, 0.9);
    color: var(--text);
    font: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}
.media-lightbox__close:hover,
.media-lightbox__close:focus-visible {
    border-color: var(--accent);
    color: var(--accent);
}

@media (max-width: 800px) {
    .nav-toggle { display: block; }

    .site-nav {
        position: absolute;
        top: calc(100% + 8px);
        left: 20px;
        right: 20px;
        flex-direction: column;
        gap: 0;
        padding: 8px;
        background: var(--bg-elev);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
        display: none;
    }
    .site-nav.is-open { display: flex; }
    .site-nav a {
        padding: 14px 12px;
        border-radius: 8px;
    }
    .site-nav a + a { border-top: 1px solid var(--border); }

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

    .hero { padding: 60px 0 40px; }

    .section { padding: 48px 0; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}