:root {
    --color-primary: #0F172A;
    --color-primary-soft: #1E293B;
    --color-accent: #0F766E;
    --color-accent-hover: #115E59;
    --color-gold: #C9A227;
    --color-bg: #F8FAFC;
    --color-surface: #FFFFFF;
    --color-border: #E2E8F0;
    --color-text: #111827;
    --color-muted: #64748B;
    --shadow: 0 18px 45px rgba(15, 23, 42, 0.10);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: linear-gradient(180deg, #F8FAFC 0%, #EEF2F7 100%);
    color: var(--color-text);
    font-family: "Segoe UI", Arial, Helvetica, sans-serif;
    line-height: 1.5;
}

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

.site-header {
    align-items: center;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 3px solid var(--color-gold);
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.10);
    display: flex;
    gap: 24px;
    justify-content: space-between;
    padding: 14px 5vw 12px;
    position: sticky;
    top: 0;
    z-index: 5;
}

.site-header::before {
    background: var(--color-primary);
    content: "";
    height: 5px;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
}

.brand {
    align-items: center;
    display: flex;
    gap: 12px;
    min-width: 240px;
}

.brand img {
    height: 52px;
    object-fit: contain;
    width: 52px;
}

.brand span {
    display: grid;
}

.brand strong {
    color: var(--color-primary);
    font-size: 21px;
    line-height: 1.1;
}

.brand small {
    color: var(--color-muted);
    font-size: 11px;
    font-weight: 700;
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
}

nav a {
    border-radius: 6px;
    color: var(--color-primary-soft);
    font-weight: 700;
    padding: 9px 11px;
}

nav a:hover {
    background: rgba(15, 118, 110, 0.10);
    color: var(--color-accent-hover);
}

main {
    margin: 0 auto;
    max-width: 1180px;
    padding: 0 24px 48px;
}

.hero {
    align-items: center;
    display: grid;
    gap: 32px;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    min-height: 620px;
    padding: 64px 0 48px;
}

.eyebrow {
    color: var(--color-accent);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0;
    margin: 0 0 8px;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    color: var(--color-primary);
    font-size: clamp(42px, 7vw, 72px);
    line-height: 0.98;
    margin-bottom: 22px;
}

h2 {
    color: var(--color-primary);
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.08;
    margin-bottom: 16px;
}

h3 {
    color: var(--color-primary-soft);
    font-size: 18px;
    margin-bottom: 8px;
}

.lead {
    color: var(--color-muted);
    font-size: 19px;
    max-width: 720px;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 28px 0 12px;
}

.button {
    border-radius: 6px;
    display: inline-flex;
    font-weight: 800;
    justify-content: center;
    min-height: 44px;
    padding: 11px 16px;
}

.button.primary {
    background: var(--color-accent);
    color: white;
}

.button.primary:hover {
    background: var(--color-accent-hover);
}

.button.secondary {
    background: white;
    border: 1px solid var(--color-border);
    color: var(--color-primary-soft);
}

.note {
    color: var(--color-muted);
    font-size: 13px;
}

.hero-panel,
.section,
.final-cta {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.hero-panel {
    padding: 28px;
    position: relative;
}

.hero-panel::before,
.section::before,
.final-cta::before {
    background: var(--color-gold);
    content: "";
    height: 4px;
    left: 22px;
    position: absolute;
    right: 22px;
    top: 0;
}

.hero-panel h2 {
    font-size: 24px;
}

.hero-panel ol {
    counter-reset: flow;
    display: grid;
    gap: 12px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.hero-panel li {
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    display: flex;
    font-weight: 800;
    gap: 12px;
    padding: 12px;
}

.hero-panel li::before {
    background: rgba(15, 118, 110, 0.10);
    border-radius: 999px;
    color: var(--color-accent-hover);
    content: counter(flow);
    counter-increment: flow;
    display: inline-grid;
    height: 30px;
    place-items: center;
    width: 30px;
}

.section,
.final-cta {
    margin-bottom: 22px;
    padding: 34px;
    position: relative;
}

.split {
    display: grid;
    gap: 28px;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
}

.cards,
.benefit-grid,
.roadmap-list,
.audience-list {
    display: grid;
    gap: 12px;
}

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

.cards article,
.benefit-grid article,
.roadmap-list span,
.audience-list span {
    background: #FBFDFF;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-primary-soft);
    padding: 16px;
}

.solution p,
.roadmap p,
.status p {
    color: var(--color-muted);
    font-size: 17px;
    max-width: 820px;
}

.benefit-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.benefit-grid p {
    color: var(--color-muted);
    margin-bottom: 0;
}

.feature-band {
    display: grid;
    gap: 28px;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.check-list {
    display: grid;
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.check-list li {
    align-items: center;
    color: var(--color-primary-soft);
    display: flex;
    gap: 10px;
    font-weight: 700;
}

.check-list li::before {
    background: var(--color-accent);
    border-radius: 999px;
    content: "";
    height: 8px;
    width: 8px;
}

.roadmap-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.final-cta {
    align-items: center;
    display: grid;
    justify-items: start;
}

footer {
    align-items: center;
    border-top: 1px solid var(--color-border);
    color: var(--color-muted);
    display: flex;
    gap: 10px;
    justify-content: center;
    padding: 26px;
}

footer strong {
    color: var(--color-primary);
}

@media (max-width: 900px) {
    .site-header,
    .hero,
    .split,
    .feature-band {
        grid-template-columns: 1fr;
    }

    .site-header {
        align-items: flex-start;
        display: grid;
    }

    nav {
        justify-content: flex-start;
    }

    .hero {
        min-height: auto;
        padding-top: 42px;
    }

    .benefit-grid,
    .roadmap-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    main {
        padding: 0 16px 32px;
    }

    .site-header {
        padding-left: 16px;
        padding-right: 16px;
    }

    .brand {
        min-width: 0;
    }

    .brand img {
        height: 46px;
        width: 46px;
    }

    .cards,
    .benefit-grid,
    .roadmap-list,
    .audience-list {
        grid-template-columns: 1fr;
    }

    .section,
    .final-cta,
    .hero-panel {
        padding: 26px 20px;
    }

    .button {
        width: 100%;
    }
}