html, body {
    margin: 0;
    padding: 0;
}

:root {
    --brand-dark: #101010;
    --brand-orange: #ff6a00;
    --brand-green: #25d366;
    --brand-soft: #fff3ea;
    --ink: #171717;
    --muted: #6b7280;
    --line: rgba(255, 255, 255, 0.16);
    --card-line: #ececec;
}

* {
    box-sizing: border-box;
}

body.landing-page {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--ink);
    background: linear-gradient(180deg, #171717 0%, #101010 36%, #ffffff 36.1%, #ffffff 100%);
}

.landing-page a {
    color: inherit;
    text-decoration: none;
}

.landing-page svg {
    display: block;
}

.landing-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.landing-nav {
    padding: 18px 0;
}

.landing-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand-lockup,
.footer-brand {
    display: inline-flex;
    align-items: center;
    color: white;
    text-decoration: none;
}

.brand-logo-image {
    width: 180px;
    height: auto;
    display: block;
}

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

.nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: white;
    color: var(--brand-dark);
    min-height: 44px;
    padding: 0 18px;
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.18);
}

.social-links {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.social-button {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.06);
    transition: transform .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
}

.social-button:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 106, 0, 0.55);
    background: rgba(255, 106, 0, 0.16);
    color: var(--brand-orange);
}

.social-button svg {
    color: inherit;
}

.social-button svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.social-button svg rect,
.social-button svg circle {
    fill: none;
    stroke: currentColor;
}

.social-button svg path {
    fill: currentColor;
    stroke: none;
}

.hero {
    padding: 44px 0 92px;
}

.hero-content {
    max-width: 830px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.74);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 11px;
    margin-bottom: 18px;
}

.eyebrow::before {
    content: "";
    width: 42px;
    height: 1px;
    background: rgba(255, 255, 255, 0.34);
}

.hero h1 {
    margin: 0 0 18px;
    font-size: clamp(42px, 7vw, 76px);
    line-height: .95;
    letter-spacing: 0;
    color: white;
}

.hero-copy {
    max-width: 680px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 18px;
    line-height: 1.7;
    margin: 0 0 28px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.primary-cta,
.secondary-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    border-radius: 999px;
    padding: 0 22px;
    font-size: 14px;
    font-weight: 700;
}

.primary-cta {
    background: var(--brand-orange);
    color: white;
    box-shadow: 0 18px 32px rgba(255, 106, 0, 0.28);
}

.secondary-cta {
    border: 1px solid var(--line);
    color: white;
    background: rgba(255, 255, 255, 0.04);
}

.hero-social {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 30px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 14px;
    font-weight: 700;
}

.social-links-large .social-button {
    width: 52px;
    height: 52px;
}

.social-links-large .social-button svg {
    width: 23px;
    height: 23px;
}

.features {
    padding: 30px 0 74px;
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 18px;
    margin-bottom: 28px;
}

.section-head h2 {
    margin: 0 0 8px;
    font-size: clamp(28px, 4vw, 44px);
    letter-spacing: 0;
}

.section-head p {
    margin: 0;
    max-width: 560px;
    color: var(--muted);
    line-height: 1.7;
}

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

.feature-card {
    background: white;
    border: 1px solid var(--card-line);
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 16px 36px rgba(17, 24, 39, 0.05);
}

.feature-card h3 {
    margin: 0 0 10px;
    font-size: 20px;
}

.feature-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}

.bottom-cta {
    padding: 0 0 72px;
}

.bottom-card {
    background: linear-gradient(135deg, #141414, #202020);
    border-radius: 8px;
    padding: 34px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.bottom-card h2 {
    margin: 0 0 8px;
    font-size: clamp(28px, 4vw, 42px);
    letter-spacing: 0;
}

.bottom-card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.7;
    max-width: 640px;
}

.landing-footer {
    padding: 28px 0;
    background: var(--brand-dark);
    color: white;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.footer-brand {
    gap: 10px;
    font-size: 18px;
    font-weight: 800;
}

.footer-brand img {
    width: 42px;
    height: 42px;
}

.footer-social {
    display: flex;
    align-items: center;
    gap: 14px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 13px;
    font-weight: 700;
}

.whatsapp-float {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 50;
    width: 60px;
    height: 60px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    color: white;
    background: var(--brand-green);
    box-shadow: 0 18px 34px rgba(37, 211, 102, 0.32);
    transition: transform .2s ease, box-shadow .2s ease;
}

.whatsapp-float:hover {
    transform: translateY(-3px);
    box-shadow: 0 22px 38px rgba(37, 211, 102, 0.38);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

@media (max-width: 980px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .bottom-card {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 720px) {
    body.landing-page {
        background: linear-gradient(180deg, #171717 0%, #101010 45%, #ffffff 45.1%, #ffffff 100%);
    }

    .landing-shell {
        width: min(100% - 24px, 1180px);
    }

    .landing-nav-inner,
    .section-head,
    .footer-inner,
    .footer-social {
        align-items: flex-start;
        flex-direction: column;
    }

    .nav-actions {
        width: 100%;
        align-items: flex-start;
        justify-content: space-between;
    }

    .brand-logo-image {
        width: 148px;
    }

    .hero {
        padding: 26px 0 60px;
    }

    .hero-copy {
        font-size: 16px;
    }

    .hero-social {
        align-items: flex-start;
        flex-direction: column;
    }

    .features {
        padding-bottom: 56px;
    }

    .bottom-cta {
        padding-bottom: 64px;
    }

    .bottom-card {
        padding: 26px;
    }

    .whatsapp-float {
        right: 16px;
        bottom: 16px;
        width: 56px;
        height: 56px;
    }
}

@media (max-width: 430px) {
    .nav-actions {
        flex-direction: column-reverse;
    }

    .social-links {
        gap: 8px;
    }

    .social-button {
        width: 40px;
        height: 40px;
    }

    .primary-cta,
    .secondary-cta {
        width: 100%;
    }
}