:root {
    --bg: #171b1a;
    --surface: #1d2220;
    --surface-strong: #232927;
    --surface-soft: #1a1f1d;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(59, 108, 74, 0.55);
    --text: #eff2f0;
    --muted: #a3aba7;
    --accent: #365f43;
    --accent-strong: #2d5239;
    --shadow: 0 14px 32px rgba(0, 0, 0, 0.16);
    --radius-lg: 18px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --container: 1120px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Inter", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.55;
    min-width: 320px;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 72px 72px;
    pointer-events: none;
    opacity: 0.18;
}

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

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

button {
    font: inherit;
}

.container {
    width: min(var(--container), calc(100% - 40px));
    margin: 0 auto;
}

.section {
    padding: 84px 0;
    position: relative;
}

.section-header {
    max-width: 640px;
    margin: 0 auto 32px;
    text-align: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 7px 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    color: #d9e2dd;
    background: var(--surface-soft);
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

h1,
h2,
h3,
h4 {
    margin: 0;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

h1 {
    font-size: clamp(2.6rem, 4.6vw, 4.2rem);
    max-width: 12ch;
    margin-top: 18px;
}

h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin-top: 16px;
    margin-bottom: 12px;
}

h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

p {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(23, 27, 26, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 78px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.brand-mark {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    background: var(--accent);
    box-shadow: 14px 0 0 rgba(54, 95, 67, 0.72), 28px 0 0 rgba(54, 95, 67, 0.38);
    margin-right: 24px;
}

.brand-astra {
    color: var(--accent);
}

.brand-log {
    color: var(--text);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links a {
    color: #d0d7d3;
    font-size: 0.92rem;
    transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--text);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 10px;
    border: 1px solid var(--border);
    color: var(--text);
    background: transparent;
    font-weight: 600;
    font-size: 0.93rem;
    transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
    border-color: rgba(255, 255, 255, 0.16);
}

.btn-primary {
    background: var(--accent);
    color: #eef2ef;
    border-color: var(--accent);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background: var(--accent-strong);
    border-color: var(--accent-strong);
}

.btn-secondary {
    background: var(--surface);
}

.hero {
    padding: 96px 0 64px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    gap: 40px;
    align-items: center;
}

.hero-copy {
    max-width: 680px;
    margin: 0;
    text-align: left;
    padding: 0;
}

.hero-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: #d7ddd9;
}

.hero-brand .brand-mark {
    margin-right: 20px;
    transform: scale(0.9);
    transform-origin: center;
}

.hero h1 {
    font-size: clamp(2.35rem, 4vw, 3.6rem);
    max-width: 11.5ch;
}

.hero-subtitle {
    max-width: 52ch;
    font-size: 0.98rem;
    margin: 22px 0 14px;
}

.hero-intro {
    max-width: 50ch;
    margin: 0 0 32px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 12px;
    margin-bottom: 0;
}

.hero-visual {
    justify-self: end;
    width: min(100%, 460px);
}

.hero-panel {
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 22px;
}

.hero-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.hero-panel-title {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero-panel-title strong {
    font-size: 0.98rem;
    color: var(--text);
}

.hero-panel-title span,
.hero-stream-time,
.hero-panel-status {
    color: var(--muted);
    font-size: 0.82rem;
}

.hero-panel-status {
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: var(--surface);
}

.hero-stream {
    display: grid;
    gap: 10px;
}

.hero-stream-row {
    display: grid;
    grid-template-columns: 84px minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
    padding: 12px 14px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    background: var(--surface);
}

.hero-stream-event {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.hero-stream-event strong {
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 600;
}

.hero-stream-event span {
    color: var(--muted);
    font-size: 0.8rem;
}

.hero-stream-badge {
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    color: #dce5df;
    background: rgba(54, 95, 67, 0.16);
    border: 1px solid rgba(54, 95, 67, 0.28);
}

.hero-stream-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 16px;
}

.hero-summary-card {
    padding: 14px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: var(--surface);
}

.hero-summary-card strong {
    display: block;
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 4px;
}

.hero-summary-card span {
    font-size: 0.8rem;
    color: var(--muted);
}

.card,
.pricing-card,
.use-case,
.vision-card,
.flow-step,
.footer-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.pricing-list li,
.footer-links,
.footer-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.pricing-price,
.card h3,
.use-case h3,
.vision-card h3,
.flow-step h3 {
    color: var(--text);
}

.section-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.card,
.use-case,
.vision-card {
    padding: 24px;
    border-radius: var(--radius-md);
}

.card p,
.use-case p,
.vision-card p {
    margin-top: 8px;
}

.about-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    gap: 20px;
    align-items: start;
}

.about-benefits {
    display: grid;
    gap: 12px;
}

.about-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    box-shadow: var(--shadow);
}

.about-item p {
    margin-top: 6px;
}

.about-copy {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow);
}

.about-followup {
    margin-top: 18px;
}

.bullet-list {
    list-style: none;
    margin: 20px 0 0;
    padding: 0;
    display: grid;
    gap: 12px;
}

.bullet-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    color: #d3dad6;
    font-size: 0.94rem;
}

.bullet-list li::before,
.pricing-list li::before {
    content: "";
    width: 8px;
    height: 8px;
    flex: 0 0 8px;
    margin-top: 7px;
    border-radius: 50%;
    background: var(--accent);
}

.feature-grid,
.pricing-grid,
.use-cases-grid,
.vision-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.feature-card-icon,
.feature-rank,
.vision-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    min-height: 34px;
    border-radius: 9px;
    background: rgba(54, 95, 67, 0.14);
    border: 1px solid rgba(54, 95, 67, 0.26);
    color: #d8e2dc;
    font-weight: 700;
    margin-bottom: 14px;
    font-size: 0.82rem;
}

.flow-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.flow-step {
    position: relative;
    padding: 22px;
    border-radius: var(--radius-md);
    min-height: 200px;
}

.flow-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 42px;
    right: -8px;
    width: 16px;
    height: 2px;
    background: rgba(54, 95, 67, 0.55);
}

.flow-step span,
.pricing-tier,
.feature-kicker,
.use-case span,
.vision-tag {
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #d8e0db;
}

.flow-step h3,
.pricing-card h3 {
    margin-top: 12px;
    margin-bottom: 10px;
}

.pricing-card {
    border-radius: var(--radius-lg);
    padding: 26px;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--border-strong);
}

.pricing-price {
    font-size: 2.1rem;
    font-weight: 800;
    line-height: 1;
    margin: 16px 0 8px;
}

.pricing-note {
    margin-bottom: 18px;
}

.pricing-list {
    list-style: none;
    margin: 20px 0 24px;
    padding: 0;
    display: grid;
    gap: 12px;
}

.pricing-list li {
    justify-content: flex-start;
    align-items: flex-start;
    color: #d6ded9;
    font-size: 0.94rem;
}

.feature-highlights {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.feature-highlights .card,
.feature-grid .card {
    min-height: 0;
}

.future-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 20px;
    align-items: stretch;
}

.future-summary {
    padding: 28px;
    border-radius: var(--radius-lg);
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.future-summary p {
    margin-top: 14px;
}

.vision-grid {
    grid-template-columns: 1fr;
    gap: 12px;
}

.footer {
    padding: 32px 0 44px;
}

.footer-panel {
    border-radius: 18px;
    padding: 24px 28px;
}

.footer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-links {
    justify-content: flex-start;
    flex-wrap: wrap;
}

.footer-links a {
    color: #d1d9d4;
}

.footer-links a:hover,
.footer-links a:focus-visible {
    color: var(--text);
}

.footer-meta {
    margin-top: 18px;
    flex-wrap: wrap;
}

.footer-meta p {
    font-size: 0.9rem;
}

.muted-link {
    color: #d8e0db;
}

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

@media (max-width: 1100px) {
    .hero-grid,
    .about-layout,
    .future-layout,
    .feature-highlights,
    .feature-grid,
    .pricing-grid,
    .use-cases-grid,
    .section-grid,
    .flow-grid,
    .vision-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .flow-step:not(:last-child)::after {
        display: none;
    }
}

@media (max-width: 900px) {
    .nav {
        min-height: 72px;
    }
    .menu-toggle {
        display: inline-flex;
    }
    .nav-actions {
        margin-left: auto;
    }
    .nav-links {
        position: absolute;
        top: calc(100% + 8px);
        left: 20px;
        right: 20px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        border-radius: 14px;
        background: var(--surface);
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
    }
    .nav-links.is-open {
        display: flex;
    }
    .nav-links a,
    .nav-links .btn {
        width: 100%;
    }
    .hero-grid,
    .about-layout,
    .future-layout,
    .feature-highlights,
    .feature-grid,
    .pricing-grid,
    .use-cases-grid,
    .section-grid,
    .flow-grid,
    .vision-grid {
        grid-template-columns: 1fr;
    }
    .section {
        padding: 72px 0;
    }
    .hero {
        padding: 82px 0 54px;
    }
    .hero-copy,
    .hero-visual {
        max-width: 100%;
    }
    .hero-visual {
        justify-self: stretch;
    }
    .footer-top,
    .footer-meta {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(var(--container), calc(100% - 28px));
    }
    h1 {
        max-width: 100%;
    }
    .hero {
        padding-top: 72px;
    }
    .hero-panel {
        padding: 18px;
    }
    .hero-stream-row,
    .hero-stream-summary {
        grid-template-columns: 1fr;
    }
    .btn,
    .hero-actions .btn {
        width: 100%;
    }
    .about-copy,
    .future-summary,
    .footer-panel,
    .card,
    .pricing-card,
    .flow-step,
    .use-case,
    .vision-card {
        padding: 22px;
    }
}