:root {
    color-scheme: dark;
    --bg: #080a0d;
    --bg-elevated: rgba(18, 24, 30, 0.8);
    --panel: rgba(20, 28, 36, 0.56);
    --accent: #ffb357;
    --accent-strong: #2fb8ff;
    --accent-warm: #ff784f;
    --surface: rgba(16, 22, 30, 0.92);
    --border: rgba(160, 182, 198, 0.16);
    --border-strong: rgba(160, 182, 198, 0.32);
    --text-primary: #f5f7fa;
    --text-secondary: rgba(214, 222, 232, 0.82);
    --text-muted: rgba(180, 198, 214, 0.58);
    --grid-line: rgba(255, 179, 87, 0.08);
    --shadow-lg: 0 50px 80px -40px rgba(18, 24, 32, 0.7);
    --shadow-md: 0 30px 60px -35px rgba(18, 24, 32, 0.65);
    font-size: 62.5%;
}

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

body {
    margin: 0;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 1.6rem;
    line-height: 1.6;
    background:
        linear-gradient(130deg, rgba(255, 179, 87, 0.12), transparent 55%),
        linear-gradient(20deg, rgba(47, 184, 255, 0.12), transparent 60%),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.015) 0, rgba(255, 255, 255, 0.015) 1px, transparent 1px, transparent 32px),
        var(--bg);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 0 0 1.2rem;
    color: var(--text-primary);
}

p {
    margin: 0 0 1.6rem;
    color: var(--text-secondary);
}

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

a:hover,
a:focus-visible {
    color: var(--accent);
}

.page-chrome {
    width: min(1180px, 92vw);
    margin: 0 auto 8rem;
    padding: 6rem 0 0;
}

.site-header {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 5rem;
    padding-bottom: 5rem;
}

.nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 1.2rem 1.6rem;
    background: linear-gradient(135deg, rgba(18, 24, 32, 0.92), rgba(10, 12, 16, 0.85));
    backdrop-filter: blur(24px);
    position: sticky;
    top: 2rem;
    z-index: 10;
}

.brand-mark {
    width: 3.6rem;
    height: 3.6rem;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 179, 87, 0.95), rgba(47, 184, 255, 0.85));
    display: grid;
    place-items: center;
    font-weight: 700;
    color: #01030a;
    letter-spacing: 0.04em;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 2.4rem;
    font-size: 1.4rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.site-nav a {
    padding: 0.4rem 0.2rem;
    position: relative;
}

.site-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.6rem;
    width: 100%;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transform: translateY(0.4rem);
    transition: opacity 200ms ease, transform 200ms ease;
}

.site-nav a:focus-visible::after,
.site-nav a:hover::after {
    opacity: 1;
    transform: translateY(0);
}

.menu-toggle {
    width: 3.4rem;
    height: 3.4rem;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: rgba(7, 9, 14, 0.7);
    position: relative;
    display: none;
}

.menu-toggle::before,
.menu-toggle::after,
.menu-toggle span {
    content: '';
    position: absolute;
    left: 50%;
    width: 1.6rem;
    height: 2px;
    background: var(--text-primary);
    border-radius: 999px;
    transform: translateX(-50%);
    transition: transform 200ms ease, opacity 200ms ease;
}

.menu-toggle::before { top: 1.2rem; }
.menu-toggle::after { bottom: 1.2rem; }
.menu-toggle span { top: 50%; transform: translate(-50%, -50%); }

.menu-toggle.open::before { transform: translate(-50%, 0) rotate(45deg); top: 1.6rem; }
.menu-toggle.open::after { transform: translate(-50%, 0) rotate(-45deg); bottom: 1.6rem; }
.menu-toggle.open span { opacity: 0; }

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 5rem;
    align-items: start;
    position: relative;
}

.hero-visual {
    position: relative;
    min-height: 48rem;
    border-radius: 3.2rem;
    overflow: hidden;
    background: radial-gradient(circle at 30% 20%, rgba(255, 179, 87, 0.12), transparent 45%),
        radial-gradient(circle at 80% 70%, rgba(47, 184, 255, 0.16), transparent 55%),
        rgba(11, 17, 22, 0.8);
    border: 1px solid rgba(47, 184, 255, 0.14);
    box-shadow: 0 32px 70px -40px rgba(6, 12, 18, 0.8);
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
}

.hero-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(10, 18, 24, 0.7) 0%, rgba(10, 18, 24, 0.2) 60%, rgba(10, 18, 24, 0.9) 100%);
    pointer-events: none;
    mix-blend-mode: lighten;
}

.hero-visual canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    border-radius: inherit;
}

.hero-visual .hero-panel {
    position: relative;
    z-index: 2;
    margin: 3.6rem 3.6rem 3.6rem auto;
    max-width: clamp(22rem, 38%, 30rem);
    backdrop-filter: blur(28px);
}

.hero-copy h1 {
    font-size: clamp(4rem, 6vw, 5.8rem);
    line-height: 1.1;
}

.hero-lede {
    max-width: 54ch;
}

.hero-actions {
    display: flex;
    gap: 1.6rem;
    margin: 3rem 0;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem 2.6rem;
    border-radius: 999px;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 1.3rem;
    transition: transform 200ms ease, box-shadow 200ms ease;
}

.button.primary {
    background: linear-gradient(120deg, rgba(255, 179, 87, 0.9), rgba(47, 184, 255, 0.88));
    color: #0c1014;
    box-shadow: var(--shadow-md);
}

.button.secondary {
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
    background: rgba(10, 14, 18, 0.72);
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px -24px rgba(255, 179, 87, 0.6);
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.6rem;
    margin-top: 4rem;
}

.hero-metrics div {
    padding: 1.4rem 1.6rem;
    border-radius: 1.6rem;
    background: rgba(12, 16, 20, 0.82);
    border: 1px solid var(--border);
    text-align: left;
}

.hero-metrics dt {
    font-size: 2.6rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.6rem;
}

.hero-metrics dd {
    margin: 0;
    font-size: 1.3rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.hero-panel {
    background: var(--panel);
    border-radius: 2.8rem;
    padding: 3.2rem;
    border: 1px solid var(--border-strong);
    backdrop-filter: blur(26px);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.hero-panel::before {
    content: '';
    position: absolute;
    inset: 1.2rem;
    border: 1px solid rgba(255, 179, 87, 0.18);
    border-radius: 2.2rem;
    pointer-events: none;
}

.panel-core {
    position: relative;
    z-index: 1;
}

.panel-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    letter-spacing: 0.1em;
    font-size: 1.2rem;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(255, 179, 87, 0.14);
    border: 1px solid rgba(255, 179, 87, 0.35);
    padding: 0.6rem 1.4rem;
    border-radius: 999px;
}

.panel-core h2 {
    font-size: 2.8rem;
    margin-top: 2rem;
}

.panel-core ul {
    list-style: none;
    padding: 0;
    margin: 2.4rem 0 0;
    display: grid;
    gap: 0.8rem;
    color: var(--text-muted);
    font-size: 1.4rem;
}

.panel-footer {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
    gap: 1.2rem;
    margin-top: 3.2rem;
    padding-top: 2.4rem;
    border-top: 1px solid rgba(255, 179, 87, 0.18);
    color: var(--text-muted);
    font-size: 1.3rem;
}

.panel-footer .label {
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.6rem;
    color: rgba(200, 210, 220, 0.52);
}

.panel-footer strong {
    color: var(--text-primary);
    font-weight: 500;
}

.section-kicker {
    text-transform: uppercase;
    letter-spacing: 0.24em;
    font-size: 1.2rem;
    color: var(--accent);
    margin-bottom: 1.8rem;
}

.section-head {
    display: flex;
    justify-content: space-between;
    gap: 3rem;
    align-items: flex-end;
    margin-bottom: 3.8rem;
}

.section-head h2 {
    font-size: clamp(2.8rem, 4vw, 3.8rem);
}

.section-actions {
    font-size: 1.3rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    display: flex;
    align-items: center;
}

.projects {
    margin-top: 6rem;
    display: grid;
    gap: 4.8rem;
}

.project-feature {
    border: 1px solid var(--border-strong);
    border-radius: 2.8rem;
    padding: 3.6rem;
    background: linear-gradient(135deg, rgba(22, 28, 34, 0.95), rgba(12, 16, 22, 0.9));
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: 3.2rem;
    position: relative;
    overflow: hidden;
}

.project-feature::before,
.project-feature::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(120deg, transparent 30%, rgba(255, 179, 87, 0.08) 60%, transparent 80%);
    pointer-events: none;
}

.project-feature::after {
    background-image: linear-gradient(90deg, transparent, rgba(47, 184, 255, 0.09), transparent);
    mix-blend-mode: screen;
}

.feature-label {
    position: absolute;
    top: 2.4rem;
    right: 2.4rem;
    font-size: 1.2rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    background: rgba(10, 14, 18, 0.72);
    border: 1px solid rgba(255, 179, 87, 0.32);
    padding: 0.6rem 1.4rem;
    border-radius: 999px;
}

.feature-body h3 {
    font-size: clamp(2.6rem, 4vw, 3.4rem);
    margin-bottom: 1.6rem;
}

.feature-body ul {
    list-style: none;
    padding: 0;
    margin: 2.4rem 0 2.8rem;
    display: grid;
    gap: 1rem;
    color: var(--text-muted);
}

.inline-link {
    color: var(--accent);
    font-weight: 500;
    letter-spacing: 0.04em;
}

.inline-link:hover,
.inline-link:focus-visible {
    color: var(--accent-strong);
}

.feature-meta {
    display: grid;
    gap: 1.2rem;
    justify-items: end;
    font-size: 1.3rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(22rem, 1fr));
    gap: 2.4rem;
}

.project-card {
    border: 1px solid var(--border);
    border-radius: 2rem;
    padding: 2.4rem;
    background: rgba(14, 18, 24, 0.82);
    backdrop-filter: blur(18px);
    display: grid;
    gap: 1.6rem;
    transition: transform 200ms ease, border-color 200ms ease;
}

.project-card:hover,
.project-card:focus-within {
    transform: translateY(-6px);
    border-color: rgba(255, 179, 87, 0.45);
}

.card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.2rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.card-id {
    font-size: 1.4rem;
    color: var(--accent-warm);
}

.card-tag {
    padding: 0.4rem 1rem;
    border-radius: 999px;
    background: rgba(47, 184, 255, 0.14);
    border: 1px solid rgba(47, 184, 255, 0.32);
}

.card-meta {
    font-size: 1.3rem;
    color: var(--text-muted);
}

.capabilities {
    margin-top: 8rem;
    display: grid;
    gap: 3.2rem;
}

.capabilities-stream {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
    gap: 1.6rem;
}

.capabilities-stream span {
    border: 1px solid var(--border);
    border-radius: 1.4rem;
    padding: 1.4rem 1.6rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 1.2rem;
    color: var(--text-muted);
    background: rgba(12, 16, 22, 0.72);
}

.about {
    margin-top: 8rem;
}

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 3.6rem;
}

.about-card {
    border: 1px solid var(--border-strong);
    border-radius: 2.4rem;
    padding: 3.2rem;
    background: rgba(16, 22, 30, 0.85);
    backdrop-filter: blur(22px);
}

.about-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.4rem;
    font-size: 1.3rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.about-notes {
    border: 1px solid var(--border);
    border-radius: 2.4rem;
    padding: 3.2rem;
    background: rgba(10, 14, 20, 0.75);
}

.about-notes h3 {
    font-size: 2.2rem;
    margin-bottom: 1.6rem;
}

.about-notes ul {
    margin: 0;
    padding-left: 1.6rem;
    color: var(--text-secondary);
}

.contact {
    margin: 8rem 0 6rem;
}

.contact-card {
    border: 1px solid var(--border-strong);
    border-radius: 2.8rem;
    padding: 3.6rem;
    background: rgba(14, 20, 28, 0.8);
    backdrop-filter: blur(24px);
    text-align: center;
    display: grid;
    gap: 2rem;
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.6rem;
    justify-content: center;
    font-size: 1.4rem;
    letter-spacing: 0.04em;
}

.contact-links a {
    border: 1px solid rgba(47, 184, 255, 0.28);
    border-radius: 999px;
    padding: 0.8rem 1.6rem;
    background: rgba(10, 14, 18, 0.7);
    color: var(--accent);
}

.site-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(160, 182, 198, 0.2);
    padding: 3rem 0;
    font-size: 1.3rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.site-footer .inline-link {
    color: var(--accent);
}

/* responsive */
@media (max-width: 1024px) {
    .page-chrome {
        width: min(100%, 92vw);
        padding-top: 4rem;
    }

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

    .hero-visual {
        order: -1;
        min-height: 42rem;
    }

    .hero-visual .hero-panel {
        margin: 2.8rem;
        max-width: 100%;
    }

    .section-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .project-feature {
        grid-template-columns: 1fr;
    }

    .feature-meta {
        justify-items: start;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 100%;
    }

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

@media (max-width: 768px) {
    .nav-bar {
        padding: 1rem 1.4rem;
    }

    .site-nav {
        position: absolute;
        top: calc(100% + 1rem);
        right: 0;
        background: rgba(10, 14, 18, 0.96);
        border: 1px solid var(--border);
        border-radius: 1.6rem;
        padding: 1.6rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 1.4rem;
        min-width: 18rem;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-10px);
        transition: opacity 200ms ease, transform 200ms ease;
    }

    .site-nav.open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .menu-toggle {
        display: block;
    }

    .menu-toggle span { display: block; }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-visual {
        min-height: 36rem;
    }

    .hero-visual .hero-panel {
        margin: 2.4rem;
        padding: 2.8rem;
    }

    .hero-metrics {
        grid-template-columns: 1fr;
    }

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

    .capabilities-stream {
        grid-template-columns: 1fr 1fr;
    }

    .contact-links {
        flex-direction: column;
    }

    .site-footer {
        flex-direction: column;
        gap: 1.6rem;
        text-align: center;
    }
}

@media (max-width: 560px) {
    .capabilities-stream {
        grid-template-columns: 1fr;
    }

    .section-actions {
        font-size: 1.1rem;
    }

    .hero-visual {
        min-height: 32rem;
    }

    .hero-visual .hero-panel {
        margin: 1.8rem;
        padding: 2.4rem;
    }
}