:root {
    --bg: #12171d;
    --bg-soft: #1b2129;
    --panel: #202730;
    --panel-2: #252d37;
    --line: rgba(255, 255, 255, 0.08);
    --text: #f2f5f8;
    --muted: #a8b1bd;
    --cyan: #11d8ff;
    --lime: #78ff45;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
    --radius: 24px;
    --container: 1160px;
}

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

html { scroll-behavior: smooth; }

body {
    margin: 0;
    color: var(--text);
    font-family: "Segoe UI", Arial, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(17, 216, 255, 0.07), transparent 22%),
        linear-gradient(180deg, #2f3741 0%, #252c35 16%, #171c23 55%, #12171d 100%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
    width: min(calc(100% - 2rem), var(--container));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(14, 18, 23, 0.88);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 78px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.brand-mark {
    width: 46px;
    height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    border: 1px solid rgba(17, 216, 255, 0.35);
    color: var(--cyan);
    font-weight: 800;
    background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
}

.brand-copy { display: flex; flex-direction: column; }
.brand-copy strong { font-size: 1rem; }
.brand-copy span { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; }

.nav-menu {
    display: flex;
    gap: 1.3rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-menu a {
    color: #dbe1e8;
    font-size: 0.95rem;
}

.nav-menu a.active { color: var(--cyan); }

.nav-toggle {
    display: none;
    background: none;
    border: 0;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    margin: 5px 0;
    background: #fff;
}

.hero-section,
.page-hero {
    padding: 4.6rem 0 3rem;
}

.hero-grid,
.intro-grid,
.split-feature-grid,
.contact-layout,
.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.hero-copy,
.hero-card,
.surface-card,
.project-card,
.blog-card,
.feature-card,
.terminal-card,
.contact-form-real,
.admin-card,
.admin-login {
    background: linear-gradient(180deg, rgba(31, 38, 46, 0.96), rgba(25, 31, 39, 0.98));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero-copy,
.hero-card,
.surface-card,
.terminal-card,
.contact-form-real,
.admin-card,
.admin-login { padding: 2rem; }

.eyebrow,
.section-kicker {
    display: inline-block;
    margin-bottom: 0.9rem;
    color: var(--cyan);
    font-size: 0.82rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

h1, h2, h3, h4 { margin: 0; line-height: 1.08; }
h1 { font-size: clamp(2rem, 3.4vw, 3.2rem); max-width: 14ch; }
h2 { font-size: clamp(1.5rem, 2.4vw, 2.35rem); max-width: 18ch; }
h3 { font-size: 1.28rem; }
p { color: var(--muted); line-height: 1.7; }

.hero-actions,
.cta-shell {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.hero-actions { margin: 1.5rem 0; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0.85rem 1.4rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--cyan), #71e7ff);
    color: #071116;
}

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

.hero-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.7rem;
}

.hero-list li {
    position: relative;
    padding-left: 1.2rem;
    color: #dbe1e8;
}

.hero-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 50%;
    background: var(--lime);
}

.hero-card { text-align: center; }

.hero-orb {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.hero-orb span {
    width: 210px;
    height: 210px;
    display: block;
    border-radius: 50%;
    background:
        radial-gradient(circle at center, rgba(17,216,255,0.15) 0 42%, transparent 43%),
        repeating-linear-gradient(0deg, transparent 0 16px, rgba(17,216,255,0.3) 16px 17px),
        repeating-linear-gradient(90deg, transparent 0 16px, rgba(17,216,255,0.25) 16px 17px);
    border: 1px solid rgba(17,216,255,0.8);
    box-shadow: 0 0 28px rgba(17,216,255,0.5);
}

.hero-metrics {
    display: grid;
    gap: 1rem;
    text-align: left;
}

.hero-metrics strong { display: block; margin-bottom: 0.3rem; }
.hero-metrics span, .meta-line { color: var(--muted); font-size: 0.95rem; }

.section { padding: 4rem 0; }
.surface-section { background: rgba(255,255,255,0.02); }

.copy-stack p + p { margin-top: 1rem; }

.section-heading { margin-bottom: 1.6rem; }

.project-grid,
.blog-grid,
.feature-grid {
    display: grid;
    gap: 1.1rem;
}

.project-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.blog-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.project-card,
.blog-card,
.feature-card { padding: 1.4rem; }

.project-visual {
    height: 150px;
    border-radius: 14px;
    margin-bottom: 1rem;
    background:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(180deg, #0f1419, #141b22);
    background-size: 14px 14px, 14px 14px, auto;
    position: relative;
}

.project-visual::before {
    content: "";
    position: absolute;
    left: 16px;
    top: 18px;
    width: 44%;
    height: 10px;
    background: rgba(17,216,255,0.7);
    box-shadow: 0 22px 0 rgba(255,255,255,0.14), 0 44px 0 rgba(255,255,255,0.08);
}

.project-visual::after {
    content: "";
    position: absolute;
    right: 16px;
    bottom: 16px;
    width: 72px;
    height: 18px;
    border-radius: 999px;
    background: var(--lime);
}

.tag {
    display: inline-flex;
    margin-top: 0.8rem;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    background: rgba(120,255,69,0.95);
    color: #172012;
    font-size: 0.78rem;
    font-weight: 700;
}

.capability-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.3rem;
}

.capability-list span {
    padding: 0.7rem 0.95rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255,255,255,0.03);
}

.terminal-card pre,
.article-content p {
    white-space: pre-wrap;
}

.terminal-card pre {
    margin: 0;
    font-family: "Consolas", "Courier New", monospace;
    color: #dce8ee;
    line-height: 1.8;
}

.narrow { max-width: 760px; }
.article-content p + p { margin-top: 1rem; }

.contact-form-real label,
.admin-card label,
.admin-login label {
    display: block;
    margin-bottom: 1rem;
    color: #dce2e8;
    font-size: 0.92rem;
}

input, textarea {
    width: 100%;
    margin-top: 0.4rem;
    padding: 0.9rem 1rem;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    background: rgba(255,255,255,0.05);
    color: var(--text);
    font: inherit;
}

.notice {
    margin-bottom: 1rem;
    padding: 0.85rem 1rem;
    border-radius: 14px;
    background: rgba(17,216,255,0.1);
    border: 1px solid rgba(17,216,255,0.18);
}

.notice.error {
    background: rgba(255,105,105,0.1);
    border-color: rgba(255,105,105,0.18);
}

.cta-section { padding-top: 0; }
.cta-shell { justify-content: space-between; }

.site-footer {
    padding: 3rem 0 2rem;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.5rem;
}

.footer-bottom {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    color: var(--muted);
}

.feature-index {
    display: inline-block;
    margin-bottom: 0.8rem;
    color: var(--cyan);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.18em;
}

.admin-body { background: #11161d; }

.admin-login-page {
    background: linear-gradient(180deg, #122750 0 132px, #04051c 132px 100%);
}

.admin-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 240px 1fr;
}

.admin-login-page .admin-shell {
    display: block;
}

.admin-sidebar {
    padding: 2rem 1rem;
    border-right: 1px solid rgba(255,255,255,0.06);
    background: #0f1419;
    display: grid;
    align-content: start;
    gap: 0.75rem;
}

.admin-sidebar a {
    padding: 0.8rem 1rem;
    border-radius: 14px;
    background: rgba(255,255,255,0.03);
}

.admin-sidebar a.active { color: var(--cyan); }

.admin-main {
    padding: 2rem;
    display: grid;
    gap: 1.25rem;
}

.admin-login-layout {
    min-height: 100vh;
    display: grid;
    grid-template-rows: auto 1fr auto;
    width: 100%;
}

.admin-login-header {
    padding: 2.7rem 6vw 1.6rem;
}

.admin-login-brand {
    color: #ffffff;
    font-size: clamp(2rem, 3vw, 2.9rem);
    font-weight: 800;
    letter-spacing: -0.03em;
}

.admin-login-stage {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
}

.admin-login-card {
    width: min(100%, 540px);
    padding: 3rem;
    border-radius: 26px;
    border: 1px solid rgba(17, 216, 255, 0.14);
    background: linear-gradient(180deg, rgba(8, 7, 34, 0.96), rgba(8, 7, 34, 0.98));
    box-shadow: 0 0 0 1px rgba(17, 216, 255, 0.06), 0 0 34px rgba(17, 216, 255, 0.12);
}

.admin-login-card input {
    margin-top: 0;
    margin-bottom: 1rem;
    padding: 1rem 1.1rem;
    border-radius: 12px;
    border: 0;
    background: rgba(255, 255, 255, 0.9);
    color: #142038;
    font-size: 1.05rem;
}

.admin-login-card input::placeholder {
    color: #8e98ab;
}

.admin-login-button {
    width: 100%;
    min-height: 56px;
    margin-top: 0.25rem;
    border-radius: 12px;
    background: linear-gradient(180deg, #21a3f1, #1590e4);
    color: #ffffff;
    font-size: 1.05rem;
    font-weight: 600;
}

.admin-login-footer {
    padding: 1.5rem;
    color: rgba(255, 255, 255, 0.92);
    font-size: 0.95rem;
    text-align: center;
}

.admin-list {
    display: grid;
    gap: 1rem;
}

.compact-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.compact-card-copy {
    display: grid;
    gap: 0.35rem;
}

.compact-card-actions,
.admin-form-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.checkbox-line {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.checkbox-line input {
    width: auto;
    margin: 0;
}

@media (max-width: 960px) {
    .hero-grid,
    .intro-grid,
    .split-feature-grid,
    .contact-layout,
    .footer-grid,
    .project-grid,
    .blog-grid,
    .feature-grid,
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .nav-toggle { display: inline-block; }

    .nav-menu {
        position: absolute;
        top: 78px;
        left: 1rem;
        right: 1rem;
        padding: 1rem;
        border-radius: 18px;
        background: #151b22;
        border: 1px solid rgba(255,255,255,0.08);
        display: none;
        flex-direction: column;
    }

    .nav-menu.is-open { display: flex; }

    h1, h2 { max-width: none; }

    .admin-login-header {
        padding: 2rem 1.25rem 1rem;
        text-align: center;
    }

    .admin-login-stage {
        padding: 2rem 1rem;
    }

    .admin-login-card {
        padding: 1.5rem;
    }
}