:root {
            --tierra-oscura: #1b2e1f;
            --campo-hondo: #234d2c;
            --campo: #2f6e3c;
            --brote: #6ba84f;
            --brote-claro: #a8d28a;
            --crema: #f7f5ec;
            --blanco: #ffffff;
            --linea: #d8dfca;
            --sombra: rgba(27, 46, 31, 0.10);

            --font-display: 'Fraunces', serif;
            --font-body: 'Space Grotesk', sans-serif;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }

        html, body {
            min-height: 100vh;
            font-family: var(--font-body);
            background: var(--crema);
            color: var(--tierra-oscura);
            overflow-x: hidden;
        }

        .surcos {
            position: fixed;
            inset: 0;
            z-index: -2;
            background: repeating-linear-gradient(
                100deg,
                rgba(47, 110, 60, 0.05) 0px,
                rgba(47, 110, 60, 0.05) 2px,
                transparent 2px,
                transparent 64px
            );
            pointer-events: none;
        }
        .surcos::before {
            content: "";
            position: absolute;
            top: -14%; right: -12%;
            width: 65vw; height: 65vw;
            background: radial-gradient(circle, rgba(168, 210, 138, 0.35), transparent 70%);
            filter: blur(10px);
        }

        /* ---------- Header ---------- */
        header {
            position: relative; z-index: 2;
            display: flex; align-items: center; justify-content: space-between;
            padding: 28px clamp(24px, 5vw, 64px);
        }

        .marca { display: flex; align-items: center; gap: 14px; }
        .marca-icono {
            width: 42px; height: 42px; border-radius: 11px;
            background: linear-gradient(135deg, var(--campo) 0%, var(--campo-hondo) 100%);
            display: flex; align-items: center; justify-content: center;
            box-shadow: 0 6px 14px var(--sombra);
        }
        .marca-icono svg { width: 22px; height: 22px; }

        .marca-texto {
            font-family: var(--font-display);
            font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em; line-height: 1;
        }
        .marca-texto span {
            display: block; font-family: var(--font-body); font-size: 0.65rem;
            font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase;
            color: var(--campo); margin-top: 3px;
        }

        .btn-login {
            display: inline-flex; align-items: center; gap: 8px;
            text-decoration: none; color: var(--campo-hondo);
            background: var(--blanco); border: 1px solid var(--linea);
            border-radius: 100px; padding: 11px 22px 11px 18px;
            font-family: var(--font-body); font-size: 0.85rem; font-weight: 600;
            transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .btn-login svg { width: 15px; height: 15px; }
        .btn-login:hover {
            background: var(--campo); border-color: var(--campo); color: var(--blanco);
            box-shadow: 0 8px 18px var(--sombra);
        }

        /* ---------- Hero ---------- */
        main {
            position: relative; z-index: 2;
            max-width: 1180px; margin: 0 auto;
            padding: 0 clamp(24px, 5vw, 64px);
        }

        .hero {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            align-items: center;
            gap: 40px;
            padding: clamp(30px, 6vw, 60px) 0 clamp(60px, 8vw, 100px);
        }

        .eyebrow {
            display: inline-flex; align-items: center; gap: 8px;
            font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em;
            text-transform: uppercase; color: var(--campo);
        }
        .eyebrow::before {
            content: ""; width: 7px; height: 7px; border-radius: 50%;
            background: var(--brote); box-shadow: 0 0 0 4px rgba(107, 168, 79, 0.25);
        }

        .hero-texto h1 {
            margin-top: 14px;
            font-family: var(--font-display); font-weight: 500;
            font-size: clamp(2.3rem, 5vw, 3.8rem); line-height: 1.05;
            letter-spacing: -0.02em; color: var(--tierra-oscura);
        }
        .hero-texto h1 em { font-style: italic; color: var(--campo); }

        .hero-texto p {
            margin-top: 18px;
            max-width: 480px;
            color: #4d5b46;
            font-size: 1.05rem;
            line-height: 1.6;
        }

        .hero-acciones {
            display: flex; align-items: center; gap: 16px;
            margin-top: 30px;
            flex-wrap: wrap;
        }

        .btn-primario {
            display: inline-flex; align-items: center; gap: 10px;
            text-decoration: none; color: var(--blanco);
            background: linear-gradient(135deg, var(--campo) 0%, var(--campo-hondo) 100%);
            border-radius: 100px; padding: 15px 26px;
            font-weight: 600; font-size: 0.95rem;
            box-shadow: 0 10px 22px var(--sombra);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .btn-primario svg { width: 16px; height: 16px; }
        .btn-primario:hover { transform: translateY(-3px); box-shadow: 0 16px 30px var(--sombra); }

        .btn-secundario {
            text-decoration: none;
            color: var(--tierra-oscura);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 15px 8px;
            border-bottom: 2px solid var(--linea);
            transition: border-color 0.3s ease, color 0.3s ease;
        }
        .btn-secundario:hover { border-color: var(--brote); color: var(--campo); }

        .franja-cultivo {
            position: relative; height: 10px; border-radius: 100px; margin-top: 36px;
            background: repeating-linear-gradient(
                90deg,
                var(--brote-claro) 0px, var(--brote-claro) 18px,
                var(--brote) 18px, var(--brote) 36px,
                var(--campo) 36px, var(--campo) 54px
            );
            max-width: 220px;
        }

        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual svg {
            width: 100%;
            max-width: 380px;
            filter: drop-shadow(0 20px 40px var(--sombra));
        }

        /* ---------- Ventajas ---------- */
        .ventajas {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 22px;
            padding-bottom: clamp(60px, 8vw, 100px);
        }

        .ventaja {
            background: var(--blanco);
            border: 1px solid var(--linea);
            border-radius: 20px;
            padding: 30px 26px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .ventaja:hover { transform: translateY(-5px); box-shadow: 0 16px 30px var(--sombra); }

        .ventaja-icono {
            width: 46px; height: 46px; border-radius: 13px;
            background: var(--crema);
            display: flex; align-items: center; justify-content: center;
            margin-bottom: 18px;
        }
        .ventaja-icono svg { width: 22px; height: 22px; stroke: var(--campo-hondo); }

        .ventaja h3 {
            font-family: var(--font-display); font-size: 1.15rem; font-weight: 600;
            margin-bottom: 8px; letter-spacing: -0.01em;
        }
        .ventaja p { font-size: 0.88rem; color: #6b7565; line-height: 1.55; }

        /* ---------- Footer ---------- */
        footer {
            position: relative; z-index: 2; text-align: center;
            padding: 28px 24px 40px; font-size: 0.78rem; color: #8a9482;
        }

        /* ---------- Responsive ---------- */
        @media (max-width: 900px) {
            .hero { grid-template-columns: 1fr; text-align: left; }
            .hero-visual { order: -1; max-width: 260px; margin: 0 auto; }
            .hero-visual svg { max-width: 240px; }
        }

        @media (max-width: 540px) {
            header { padding: 20px; }
            .marca-texto { font-size: 1.2rem; }
            .btn-login span { display: none; }
        }