:root {
    --color-bg: #f5f5f5;
    --color-bg-alt: #ffffff;
    --color-primary: #e85a00;       /* naranja más oscuro */
    --color-primary-dark: #c44b00;
    --color-text: #111111;          /* negro */
    --color-muted: #555555;
    --shadow-soft: 0 10px 25px rgba(0,0,0,0.08);
    --radius-lg: 12px;
    --radius-md: 8px;
    --max-width: 1120px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

/* Layout base */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */

.site-header {
    background: #ffffff;
    border-bottom: 1px solid #e5e5e5;
    position: sticky;
    top: 0;
    z-index: 20;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
}

.brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--color-text);
}

.brand-logo {
    height: 36px;
    width: auto;
    display: block;
}

/* Navegación */

.main-nav {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 0.95rem;
}

.main-nav a {
    text-decoration: none;
    color: var(--color-muted);
}

.main-nav a:hover {
    color: var(--color-text);
}

/* Botones */

.btn-primary,
.btn-outline,
.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 0.9rem;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
    box-shadow: 0 6px 16px rgba(0,0,0,0.15);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border-color: #cccccc;
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.btn-ghost {
    background: transparent;
    color: var(--color-primary);
}

.btn-ghost:hover {
    color: var(--color-primary-dark);
}

/* Toggle móvil */

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text);
    transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle.is-open span:nth-child(1) {
    transform: translateY(3px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
    transform: translateY(-3px) rotate(-45deg);
}

/* Hero */

.hero {
    padding: 32px 0 24px;
}

.hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1.6fr);
    gap: 32px;
    align-items: center;
}

.hero-copy {
    background: var(--color-bg-alt);
    padding: 28px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.hero-kicker {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.7rem;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.hero-title {
    font-size: clamp(1.9rem, 3vw, 2.4rem);
    margin: 0 0 10px;
}

.hero-subtitle {
    font-size: 0.98rem;
    color: var(--color-muted);
    margin-bottom: 18px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 0.85rem;
    color: var(--color-muted);
}

.hero-meta span::before {
    content: "• ";
    color: var(--color-primary);
}

.hero-card {
    background: #111111;
    color: #ffffff;
    padding: 24px 22px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.hero-card h2 {
    margin-top: 0;
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.hero-card ul {
    padding-left: 18px;
    margin: 0 0 10px;
}

.hero-card li {
    margin-bottom: 6px;
}

.hero-note {
    font-size: 0.8rem;
    color: #f0f0f0;
    opacity: 0.85;
}

/* Secciones genéricas */

.section {
    padding: 32px 0;
}

.section-alt {
    background: #ffffff;
}

.section-title {
    font-size: 1.45rem;
    margin: 0 0 6px;
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--color-muted);
    margin: 0 0 20px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.card {
    background: #ffffff;
    border-radius: var(--radius-md);
    padding: 18px 16px;
    box-shadow: 0 6px 16px rgba(0,0,0,0.05);
    font-size: 0.95rem;
}

.card h3 {
    margin-top: 0;
    margin-bottom: 8px;
}

.two-cols {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.4fr);
    gap: 24px;
    align-items: start;
}

.feature-list {
    padding-left: 18px;
    margin: 0;
}

.feature-list li {
    margin-bottom: 6px;
}

.highlight-card {
    border-top: 3px solid var(--color-primary);
}

/* Formulario contacto */

.contact-form {
    max-width: 460px;
    background: #ffffff;
    padding: 18px 16px;
    border-radius: var(--radius-md);
    box-shadow: 0 6px 16px rgba(0,0,0,0.05);
}

.form-row {
    margin-bottom: 12px;
}

.form-row label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.form-row input {
    width: 100%;
    padding: 8px 10px;
    border-radius: 6px;
    border: 1px solid #cccccc;
    font-size: 0.9rem;
}

/* Footer */

.site-footer {
    border-top: 1px solid #dddddd;
    padding: 18px 0;
    background: #ffffff;
    font-size: 0.85rem;
}

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

.footer-sub {
    margin: 4px 0 0;
    color: var(--color-muted);
    font-size: 0.8rem;
}

.footer-right a {
    margin-left: 12px;
    text-decoration: none;
    color: var(--color-muted);
}

.footer-right a:hover {
    color: var(--color-text);
}

/* Responsive */

@media (max-width: 900px) {
    .hero-inner {
        grid-template-columns: minmax(0, 1fr);
    }

    .two-cols {
        grid-template-columns: minmax(0, 1fr);
    }

    .grid-3 {
        grid-template-columns: minmax(0, 1fr);
    }
}

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

    .main-nav {
        position: absolute;
        top: 56px;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 10px 16px 12px;
        border-bottom-left-radius: 12px;
        box-shadow: 0 8px 20px rgba(0,0,0,0.12);
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease, transform 0.2s ease;
    }

    .main-nav.nav-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-toggle {
        display: flex;
    }
}