/* ==========================================================================
   BASE — reset, paleta, tipografía y contenedor
   Las custom properties son SOLO de color y viven SIEMPRE en :root.
   ========================================================================== */

:root {
    /* Marca */
    --color-brand: #0f9268;
    --color-brand-strong: #0a6e4f;
    --color-brand-soft: #e7f5ef;
    --color-brand-line: #bfe3d3;

    /* Neutros */
    --color-ink: #0c1512;
    --color-ink-soft: #1a2b25;
    --color-body: #4b5a55;
    --color-muted: #7d8b86;
    --color-surface: #ffffff;
    --color-surface-alt: #f6f8f7;
    --color-surface-sunken: #eef2f0;
    --color-border: #e3e9e6;
    --color-border-strong: #cfd8d4;

    /* Sobre fondo oscuro */
    --color-invert: #ffffff;
    --color-invert-soft: #a9bcb5;
    --color-invert-line: #22322c;

    /* Acentos y estados */
    --color-accent: #ffb020;
    --color-accent-soft: #fff4dd;
    --color-whatsapp: #25d366;
    --color-danger: #d1544c;
    --color-danger-soft: #fdeeed;

    /* Sombras y velos */
    --color-shadow-sm: rgba(12, 21, 18, 0.05);
    --color-shadow-md: rgba(12, 21, 18, 0.08);
    --color-shadow-lg: rgba(12, 21, 18, 0.12);
    --color-overlay: rgba(12, 21, 18, 0.55);
    --color-glass: rgba(255, 255, 255, 0.86);
    --color-glass-dark: rgba(255, 255, 255, 0.06);
}

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: 6rem;
}

body {
    margin: 0;
    background-color: var(--color-surface);
    color: var(--color-body);
    font-family: "Inter", system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

img {
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
    color: var(--color-ink);
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.025em;
}

/* Escala tipográfica global: los tamaños se definen acá y no en los wraps,
   para que no se multipliquen entre sí. */
h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.25rem;
}

h4 {
    font-size: 1.063rem;
}

h5 {
    font-size: 0.938rem;
}

h6 {
    font-size: 0.813rem;
}

p {
    margin: 0;
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

dl,
dt,
dd,
blockquote,
figure {
    margin: 0;
}

strong,
b {
    font-weight: 600;
    color: var(--color-ink);
}

button {
    font: inherit;
    color: inherit;
    background: none;
    border: 0;
    padding: 0;
    cursor: pointer;
}

summary {
    cursor: pointer;
    list-style: none;
}

summary::-webkit-details-marker {
    display: none;
}

:focus-visible {
    outline: 2px solid var(--color-brand);
    outline-offset: 3px;
    border-radius: 4px;
}

::selection {
    background-color: var(--color-brand);
    color: var(--color-invert);
}

/* --------------------------------------------------------------------------
   Página y contenedor
   -------------------------------------------------------------------------- */

.page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

.page-main {
    flex: 1;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-narrow {
    max-width: 880px;
}

/* --------------------------------------------------------------------------
   Utilidades
   -------------------------------------------------------------------------- */

[hidden] {
    display: none !important;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.skip-link {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 60;
    transform: translateY(-150%);
    transition: transform 0.2s ease;
}

.skip-link:focus-within {
    transform: translateY(0);
}

.skip-link > a {
    display: block;
    margin: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: 10px;
    background-color: var(--color-ink);
    color: var(--color-invert);
    font-size: 0.875rem;
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   Responsive — notebook / tablet
   -------------------------------------------------------------------------- */

@media (max-width: 1199px) {
    h1 {
        font-size: 3rem;
    }

    h2 {
        font-size: 2.125rem;
    }

    .container {
        padding: 0 1.25rem;
    }
}

@media (max-width: 991px) {
    h1 {
        font-size: 2.625rem;
    }

    h2 {
        font-size: 1.875rem;
    }
}

/* --------------------------------------------------------------------------
   Responsive — mobile
   -------------------------------------------------------------------------- */

@media (max-width: 767px) {
    html {
        scroll-padding-top: 5rem;
    }

    body {
        font-size: 15px;
    }

    h1 {
        font-size: 2.125rem;
    }

    h2 {
        font-size: 1.625rem;
    }

    h3 {
        font-size: 1.125rem;
    }

    h4 {
        font-size: 1rem;
    }

    .container {
        padding: 0 1rem;
    }
}

@media (max-width: 359px) {
    h1 {
        font-size: 1.875rem;
    }

    h2 {
        font-size: 1.5rem;
    }
}

/* --------------------------------------------------------------------------
   Accesibilidad — movimiento reducido
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}