:root {
        --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        --font-mono: 'IBM Plex Mono', 'SF Mono', 'Fira Code', monospace;
        --font-montserrat: 'Montserrat', sans-serif;
        
        /* Colors */
        --dark-bg: #101828;
        --orange: #34b4b4;
        --orange-deep: #4a95ac;
        --light-bg: #F5F3EF;
        --border-light: rgba(128, 128, 128, 0.25);
        --text-light: #B8BFCC;
        --text-muted: #8A93A3;
        --text-dark: #101828;
        --text-gray: #5B6472;
        --divider: #D9D4CC;
        }

        * {
        margin: 0;
        padding: 0;
        }

        body {
        background: #383D40;
        min-height: 100vh;
        font-family: var(--font-montserrat);
        }

        header {
            display: flex;
            max-height: 10vh;
            background: var(--light-bg);
            padding: 18px;
            gap: 1rem;
        }

        header img {
            max-height: 2rem;
        }

        /* ---- top section (dark with svg) ---- */
        .card-top {
        background-image: linear-gradient(rgba(0, 0, 0, 1), rgba(0, 0, 0, 0.85)), url(./assets/images/Calçada\ de\ Copacabana\ _\ Rio\ de\ Janeiro.jpeg);
        background-size: cover;
        background-position: center;
        padding: 28px 34px 40px;
        position: relative;
        }

        /* SVG background pattern */
        .bg-svg {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        opacity: 0.16;
        pointer-events: none;
        }

        .card-top-content {
        position: relative;
        z-index: 2;
        }

        .header {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 26px;
        background: var(--light-bg);
        }

        /* logo area */
        .logo-row {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 26px;
        background: var(--light-bg);
        }

        .logo-row img {
            max-height: 2rem;
        }

        .logo-text {
        color: #FFFFFF;
        font-size: 19px;
        font-weight: 500;
        letter-spacing: 0.2px;
        }

        .logo-text .orange {
        color: var(--orange);
        }

        /* meta line */
        .meta-line {
        font-family: var(--font-montserrat);
        color: var(--text-muted);
        font-size: 12px;
        letter-spacing: 0.6px;
        margin-bottom: 40px;
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
        }

        .meta-line .dot {
        color: var(--orange);
        font-size: 14px;
        line-height: 1;
        }

        .meta-line .separator {
        color: var(--text-muted);
        opacity: 0.6;
        }

        /* small divider */
        .divider-short {
        width: 44px;
        height: 1px;
        background: var(--orange);
        margin-bottom: 22px;
        }

        .eyebrow {
        color: var(--text-light);
        font-size: 12px;
        letter-spacing: 1.6px;
        margin-bottom: 14px;
        text-transform: uppercase;
        }

        .headline {
        color: #FFFFFF;
        font-size: 38px;
        line-height: 1.15;
        font-weight: 500;
        max-width: 460px;
        margin-bottom: 22px;
        }

        .description {
        color: var(--text-light);
        font-size: 15px;
        line-height: 1.6;
        max-width: 430px;
        margin-bottom: 30px;
        }

        /* CTA row */
        .cta-row {
        display: flex;
        align-items: center;
        gap: 18px;
        flex-wrap: wrap;
        }

        .btn-primary {
        background: var(--orange-deep);
        color: #FFFFFF;
        font-size: 14px;
        font-weight: 500;
        padding: 11px 20px;
        border-radius: 6px;
        border: none;
        cursor: default;
        display: inline-block;
        line-height: 1.2;
        white-space: nowrap;
        }

        .cta-note {
        color: var(--text-muted);
        font-size: 13px;
        line-height: 1.4;
        }

        /* ---- bottom section (light) ---- */
        .card-bottom {
        background: var(--light-bg);
        padding: 30px 34px;
        display: flex;
        gap: 34px;
        }

        .col {
        flex: 1;
        min-width: 0;
        }

        .col-label {
        font-family: var(--font-mono);
        color: var(--orange-deep);
        font-size: 11px;
        letter-spacing: 1px;
        margin-bottom: 12px;
        }

        .col-title {
        color: var(--text-dark);
        font-size: 16px;
        line-height: 1.4;
        margin-bottom: 10px;
        font-weight: 500;
        }

        .col-desc {
        color: var(--text-gray);
        font-size: 13px;
        line-height: 1.6;
        }

        .col-divider {
        width: 0.5px;
        background: var(--divider);
        flex-shrink: 0;
        }

        /* ---- footer ---- */
        .card-footer {
        background: var(--dark-bg);
        padding: 16px 34px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        }

        .footer-tagline {
        color: #FFFFFF;
        font-size: 13px;
        font-weight: 500;
        }

        .footer-url {
        font-family: var(--font-mono);
        color: var(--orange);
        font-size: 13px;
        text-decoration: none;
        }

        /* ---- responsive tweaks ---- */
        @media (max-width: 560px) {
        .card-top {
            padding: 22px 20px 32px;
        }

        .card-bottom {
            flex-direction: column;
            gap: 24px;
            padding: 24px 20px;
        }

        .col-divider {
            width: 100%;
            height: 0.5px;
            background: var(--divider);
        }

        .card-footer {
            padding: 16px 20px;
            flex-direction: column;
            align-items: flex-start;
        }

        .headline {
            font-size: 30px;
        }

        .btn-primary {
            font-size: 13px;
            padding: 10px 16px;
        }

        .cta-row {
            gap: 12px;
        }

        .logo-text {
            font-size: 17px;
        }

        .meta-line {
            font-size: 11px;
            margin-bottom: 28px;
        }
        }

        @media (max-width: 400px) {
        .headline {
            font-size: 26px;
        }

        .description {
            font-size: 14px;
        }
        }