:root {
    color-scheme: light;
    --vastu-bg: #f7f3ea;
    --vastu-ink: #111827;
    --vastu-muted: #5b6472;
    --vastu-panel: #ffffff;
    --vastu-line: rgba(17, 24, 39, 0.14);
    --vastu-red: #be123c;
    --vastu-green: #16a34a;
    --vastu-blue: #1d4ed8;
    --vastu-yellow: #f2c94c;
    --vastu-shadow: 0 18px 48px rgba(17, 24, 39, 0.14);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Inter", "Segoe UI", system-ui, sans-serif;
    color: var(--vastu-ink);
    background: var(--vastu-bg);
}

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

a:hover {
    text-decoration: none;
}

.vastu-topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 28px;
    border-bottom: 1px solid rgba(17, 24, 39, 0.08);
    background: rgba(247, 243, 234, 0.96);
    backdrop-filter: blur(14px);
}

.vastu-brand {
    display: inline-flex;
    flex-direction: column;
    gap: 3px;
}

.vastu-brand span {
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
    color: var(--vastu-muted);
}

.vastu-brand strong {
    font-size: 1.05rem;
    font-weight: 900;
    line-height: 1.1;
}

.vastu-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.vastu-nav a,
.vastu-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 16px;
    border-radius: 8px;
    border: 1px solid var(--vastu-line);
    font-weight: 800;
    letter-spacing: 0;
}

.vastu-nav a {
    background: rgba(255, 255, 255, 0.8);
}

.vastu-shell {
    width: min(1240px, calc(100% - 32px));
    margin: 0 auto;
    padding: 24px 0 40px;
}

.vastu-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    gap: 18px;
    align-items: stretch;
}

.vastu-hero-copy,
.vastu-preview-card,
.vastu-feature,
.vastu-cta-band {
    background: var(--vastu-panel);
    border: 1px solid var(--vastu-line);
    border-radius: 8px;
    box-shadow: var(--vastu-shadow);
}

.vastu-hero-copy {
    padding: 32px;
}

.vastu-hero-copy h1 {
    margin: 0 0 12px;
    font-size: clamp(2.8rem, 4vw, 4.2rem);
    line-height: 0.95;
    letter-spacing: 0;
}

.vastu-hero-lead {
    margin: 0;
    max-width: 40rem;
    font-size: 1.08rem;
    line-height: 1.65;
    color: var(--vastu-muted);
}

.vastu-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.vastu-button {
    transition: transform 120ms ease, box-shadow 120ms ease, background-color 120ms ease;
}

.vastu-button:hover {
    transform: translateY(-1px);
}

.vastu-button-primary {
    background: var(--vastu-red);
    color: #ffffff;
    border-color: transparent;
}

.vastu-button-secondary {
    background: rgba(255, 255, 255, 0.92);
    color: var(--vastu-ink);
}

.vastu-highlights {
    display: grid;
    gap: 10px;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.vastu-highlights li {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 42px;
    padding: 0 14px;
    border: 1px solid rgba(17, 24, 39, 0.08);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.66);
    font-weight: 700;
}

.vastu-highlights li::before {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: var(--vastu-blue);
    flex: none;
}

.vastu-hero-visual {
    min-width: 0;
}

.vastu-preview-card {
    display: grid;
    gap: 14px;
    height: 100%;
    padding: 18px;
}

.vastu-preview-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
}

.vastu-preview-head strong {
    font-size: 1rem;
    font-weight: 900;
}

.vastu-preview-head span,
.vastu-preview-footer span {
    color: var(--vastu-muted);
    font-size: 0.88rem;
    font-weight: 700;
}

.vastu-preview-svg {
    width: 100%;
    aspect-ratio: 720 / 560;
    border-radius: 6px;
    overflow: hidden;
    display: block;
}

.vastu-preview-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 14px;
    padding-top: 2px;
}

.vastu-preview-footer span {
    position: relative;
    padding-left: 14px;
}

.vastu-preview-footer span::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 7px;
    height: 7px;
    margin-top: -3.5px;
    border-radius: 999px;
    background: var(--vastu-red);
}

.vastu-features {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.vastu-section-head {
    grid-column: 1 / -1;
    padding: 2px 2px 6px;
}

.vastu-section-head h2 {
    margin: 0 0 6px;
    font-size: 1.4rem;
    line-height: 1.1;
    letter-spacing: 0;
}

.vastu-section-head p {
    margin: 0;
    max-width: 50rem;
    color: var(--vastu-muted);
    line-height: 1.6;
}

.vastu-feature {
    padding: 18px;
}

.vastu-feature strong {
    display: block;
    margin-bottom: 8px;
    font-size: 1rem;
    font-weight: 900;
}

.vastu-feature p,
.vastu-cta-band p {
    margin: 0;
    color: var(--vastu-muted);
    line-height: 1.6;
}

.vastu-cta-band {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-top: 18px;
    padding: 20px 22px;
}

.vastu-cta-band strong {
    display: block;
    margin-bottom: 4px;
    font-size: 1.05rem;
    font-weight: 900;
}

@media (max-width: 1080px) {
    .vastu-hero {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 720px) {
    .vastu-topbar {
        padding-inline: 16px;
    }

    .vastu-shell {
        width: min(100% - 20px, 1240px);
        padding-top: 16px;
    }

    .vastu-hero-copy,
    .vastu-preview-card,
    .vastu-feature,
    .vastu-cta-band {
        padding: 16px;
    }

    .vastu-hero-copy h1 {
        font-size: clamp(2.35rem, 13vw, 3rem);
    }

    .vastu-features {
        grid-template-columns: 1fr;
    }

    .vastu-cta-band {
        flex-direction: column;
        align-items: flex-start;
    }
}