:root {
    --verde-50:  #f3f9f6;
    --verde-100: #d7efe7;
    --verde-200: #c2e2d6;
    --verde-300: #a6cdbd;
    --verde-500: #5f9ea0;
    --verde-700: #2f6f7a;
    --verde-900: #17363d;
    --texto:     #13241e;
    --texto-suave: #4f6159;
    --blanco:    #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    outline: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body {
    background: var(--verde-50);
    color: var(--texto);
    font-size: 1rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 6.875rem;
    background: var(--verde-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5rem;
    z-index: 50;
    border-bottom: 1px solid rgba(29, 58, 48, 0.12);
}

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--verde-900);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo span { color: var(--verde-500); }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-menu a {
    color: var(--verde-900);
    text-decoration: none;
    font-size: 1.125rem;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

.nav-menu a:hover,
.nav-menu a:focus {
    color: var(--verde-700);
}

.site-main {
    flex: 1;
    padding-top: 6.875rem;
}

.hero-section {
    background: var(--verde-50);
    min-height: calc(100vh - 6.875rem);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 5rem;
    overflow: hidden;
}

.hero-content {
    max-width: 40rem;
}

.hero-section h1 {
    font-size: 4.5rem;
    font-weight: 600;
    line-height: 1;
    color: var(--verde-900);
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-section p {
    font-size: 1.5rem;
    color: var(--texto-suave);
    margin-bottom: 2.5rem;
    font-weight: 400;
}

.hero-photo {
    border-radius: 28px;
    overflow: hidden;
    aspect-ratio: 4 / 5;
    background: var(--verde-200);
}

.hero-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 3.25rem;
    background: var(--verde-900);
    color: var(--verde-50);
    font-size: 1.125rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: 1px solid var(--verde-900);
    border-radius: 4.5rem;
    padding: 0 2rem;
    transition: background 0.4s, color 0.4s, border-color 0.4s;
    cursor: pointer;
}

.btn:hover {
    background: var(--verde-50);
    color: var(--verde-900);
}

.btn-secondary {
    background: transparent;
    color: var(--verde-900);
}

.btn-secondary:hover {
    background: var(--verde-900);
    color: var(--verde-50);
}

.features-section {
    padding: 7.5rem 5rem;
    background: var(--blanco);
}

.features-section h2,
.section-title {
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 4rem;
    color: var(--verde-900);
    letter-spacing: -0.02em;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--verde-50);
    border: 1px solid var(--verde-200);
    padding: 3rem 2.5rem;
    border-radius: 1.25rem;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--verde-900);
}

.feature-card p {
    color: var(--texto-suave);
    font-size: 1.125rem;
}

.feature-card a {
    color: var(--verde-900);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1.5px solid var(--verde-500);
    padding-bottom: 2px;
    transition: border-color 0.3s ease, color 0.3s ease;
}

.feature-card a:hover {
    color: var(--verde-700);
    border-color: var(--verde-700);
}

.btn-enlace {
    display: inline-flex;
    align-items: center;
    height: 3rem;
    padding: 0 1.6rem;
    margin-top: 0.8rem;
    background: var(--verde-900);
    color: var(--verde-50) !important;
    border: none !important;
    border-radius: 4.5rem;
    font-size: 1rem;
}

.btn-enlace:hover {
    background: var(--verde-700);
    color: var(--blanco) !important;
}

.precio-valor {
    font-size: 2rem;
    font-weight: 600;
    color: var(--verde-900);
    margin: 0.6rem 0 1rem;
    letter-spacing: -0.02em;
}

.resena {
    font-size: 1.1rem;
    color: var(--texto-suave);
    font-style: italic;
    margin-bottom: 1.5rem;
}

.gallery-section {
    padding: 5rem;
    background: var(--verde-50);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.gallery-grid .photo {
    border-radius: 22px;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    background: var(--verde-200);
}

.gallery-grid .photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ver-todo {
    margin-top: 2.5rem;
}

.pagina-interna {
    padding-top: 10rem;
    min-height: calc(100vh - 6.875rem);
}

.pagina-interna .intro-pagina {
    margin-bottom: 3rem;
    color: var(--texto-suave);
    font-size: 1.1rem;
    max-width: 640px;
}

.pagina-interna .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
}

.site-footer {
    padding: 2.5rem 5rem;
    background: var(--blanco);
    border-top: 1px solid rgba(29, 58, 48, 0.12);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--texto-suave);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-content p {
    margin-bottom: 0.25rem;
    color: var(--verde-900);
    font-weight: 500;
}

.footer-tagline { color: var(--texto-suave); }

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 2rem;
    height: 1.25rem;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 100;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--verde-900);
}

@media screen and (max-width: 768px) {
    .site-header {
        padding: 0 1.5rem;
        height: 5.5rem;
    }

    .site-main {
        padding-top: 5.5rem;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 5.5rem;
        left: 0;
        width: 100%;
        height: calc(100vh - 5.5rem);
        background: var(--verde-100);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        z-index: 99;
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-menu a {
        font-size: 1.8rem;
        font-weight: 500;
    }

    .hero-section {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        padding: 3rem 1.5rem;
        min-height: auto;
    }

    .hero-section h1 {
        font-size: 2.8rem;
        line-height: 1.1;
    }

    .hero-section p {
        font-size: 1.15rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .features-section,
    .gallery-section {
        padding: 4rem 1.5rem;
    }

    .features-section h2,
    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .gallery-grid,
    .pagina-interna .gallery-grid {
        grid-template-columns: 1fr;
    }

    .pagina-interna {
        padding-top: 8rem;
    }

    .site-footer {
        padding: 2.5rem 1.5rem;
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}