/* Gestum SpA — sitio comercial
   Paleta y tipografía según el Manual de marca v1.0 (octubre 2026):
   verde Gestum #176B7B, tinta #201E1D, gris texto #605D5D; Source Serif 4.
*/

@font-face {
    font-family: 'Source Serif 4';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('/fonts/source-serif-4-latin-400-normal.woff2') format('woff2');
}
@font-face {
    font-family: 'Source Serif 4';
    font-style: italic;
    font-weight: 400;
    font-display: swap;
    src: url('/fonts/source-serif-4-latin-400-italic.woff2') format('woff2');
}
@font-face {
    font-family: 'Source Serif 4';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('/fonts/source-serif-4-latin-600-normal.woff2') format('woff2');
}
@font-face {
    font-family: 'Source Serif 4';
    font-style: italic;
    font-weight: 600;
    font-display: swap;
    src: url('/fonts/source-serif-4-latin-600-italic.woff2') format('woff2');
}

:root {
    --color-verde:       #176B7B;
    --color-verde-dark:  #0F5361;
    --color-verde-soft:  #E3EEF0;
    --color-ink:         #201E1D;
    --color-text:        #2E2B2A;
    --color-muted:       #605D5D;
    --color-line:        #E4DFDD;
    --color-bg:          #FFFFFF;
    --color-bg-alt:      #F7F3F2;
    --color-error:       #A8382A;
    --color-success:     #176B7B;

    --radius-sm: 2px;
    --radius:    4px;

    --shadow-sm: 0 1px 2px rgba(32, 30, 29, 0.06), 0 2px 8px rgba(32, 30, 29, 0.05);
    --shadow:    0 6px 18px rgba(32, 30, 29, 0.10);

    --container: 1180px;
    --gutter: clamp(16px, 4vw, 40px);

    --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;

    --transition: 180ms ease;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
    margin: 0;
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

a {
    color: var(--color-verde);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover { color: var(--color-verde-dark); text-decoration: underline; }

h1, h2, h3, h4 {
    color: var(--color-ink);
    font-weight: 600;
    line-height: 1.15;
    margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.1rem, 4.8vw, 3.4rem); letter-spacing: -0.015em; }
h2 { font-size: clamp(1.65rem, 3vw, 2.35rem); letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; }
h4 { font-size: 0.8rem; font-weight: 400; text-transform: uppercase; letter-spacing: 0.22em; }

p { margin: 0 0 1em; }

.nowrap { white-space: nowrap; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* El ícono hereda colores desde el contenedor (manual §01) */
.g-stroke { stroke: var(--g-stroke, var(--color-verde)); }
.g-module { fill: var(--g-module, var(--color-ink)); }

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding-left: var(--gutter);
    padding-right: var(--gutter);
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--color-verde);
    color: #fff;
    padding: 10px 16px;
    z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; outline: 3px solid var(--color-ink); }

/* ---------- Logotipo ---------- */
.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--color-verde);
}
.logo:hover { text-decoration: none; }
.logo-icon { width: 34px; height: 34px; flex: none; }
.logo-name {
    font-weight: 600;
    font-size: 1.45rem;
    letter-spacing: 0.06em;
    line-height: 1;
    white-space: nowrap;
}
.logo-name em {
    font-style: italic;
    font-weight: 400;
    font-size: 0.55em;
    letter-spacing: 0;
    margin-left: 0.1em;
}
.logo-text { display: grid; gap: 6px; }
.logo-tagline {
    font-size: 0.62rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.24em;
}

/* Monocromo blanco (sobre verde o tinta) */
.logo-white { color: #fff; --g-stroke: #fff; --g-module: #fff; }
.logo-white .logo-icon { width: 44px; height: 44px; }

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: saturate(140%) blur(8px);
    -webkit-backdrop-filter: saturate(140%) blur(8px);
    border-bottom: 1px solid var(--color-line);
}
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 72px;
}
.nav-links {
    display: flex;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
    flex-wrap: wrap;
}
.nav-links a {
    color: var(--color-ink);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
}
.nav-links a:hover { color: var(--color-verde); text-decoration: none; }
.nav-links a.cta {
    background: var(--color-verde);
    color: #fff;
    padding: 9px 18px;
    margin-left: 12px;
}
.nav-links a.cta:hover { background: var(--color-verde-dark); }

/* ---------- Hero ---------- */
.hero {
    padding: clamp(48px, 8vw, 104px) 0 clamp(56px, 8vw, 112px);
    background: var(--color-bg-alt);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: clamp(32px, 6vw, 80px);
    align-items: center;
}
.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.22em;
    font-size: 0.78rem;
    color: var(--color-verde);
    margin: 0 0 0.9rem;
}
.lead {
    font-size: clamp(1.1rem, 1.8vw, 1.25rem);
    color: var(--color-muted);
    max-width: 54ch;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

/* Reverso de la tarjeta (manual §05): ícono blanco y bajada sobre verde */
.hero-card {
    background: var(--color-verde);
    aspect-ratio: 1 / 1;
    max-width: 400px;
    margin-left: auto;
    display: grid;
    place-content: center;
    justify-items: center;
    gap: 28px;
    --g-stroke: #fff;
    --g-module: #fff;
}
.hero-icon { width: clamp(96px, 14vw, 150px); height: clamp(96px, 14vw, 150px); }
.hero-card p {
    margin: 0;
    color: #fff;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
}

/* ---------- Continuidad Olisan → Gestum ---------- */
.continuidad {
    border-top: 1px solid var(--color-line);
    border-bottom: 1px solid var(--color-line);
    padding: clamp(36px, 5vw, 56px) 0;
}
.continuidad-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: clamp(20px, 5vw, 64px);
    align-items: center;
}
.continuidad h2 { margin: 0; font-size: clamp(1.45rem, 2.6vw, 2rem); }
.continuidad-grid > p { margin: 0; color: var(--color-muted); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
    text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn:focus-visible { outline: 3px solid var(--color-ink); outline-offset: 2px; }

.btn-primary { background: var(--color-verde); color: #fff; }
.btn-primary:hover { background: var(--color-verde-dark); color: #fff; }
.btn-primary:disabled { opacity: 0.7; cursor: progress; }

.btn-ghost { background: transparent; color: var(--color-verde); border-color: var(--color-verde); }
.btn-ghost:hover { background: var(--color-verde-soft); color: var(--color-verde-dark); }

.btn-block { width: 100%; }

/* ---------- Sections ---------- */
.section { padding: clamp(56px, 8vw, 104px) 0; }
.section-alt { background: var(--color-bg-alt); }
.section-dark {
    position: relative;
    overflow: hidden;
    background: var(--color-verde);
    color: #E6F0F2;
}
/* Ícono en marca de agua al 12 % (manual §07) */
.watermark {
    position: absolute;
    right: -6%;
    bottom: -18%;
    width: clamp(260px, 38vw, 520px);
    height: clamp(260px, 38vw, 520px);
    opacity: 0.12;
    --g-stroke: #fff;
    --g-module: #fff;
    pointer-events: none;
}
.section-dark .container { position: relative; }

.section-head { max-width: 760px; margin: 0 0 48px; }
.section-head-light h2 { color: #fff; }
.section-head-light .eyebrow { color: #CFE3E7; }
.section-sub { color: var(--color-muted); font-size: 1.1rem; max-width: 60ch; }

/* ---------- Nosotros ---------- */
.grid-2 {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: clamp(28px, 5vw, 64px);
    align-items: start;
}
.prose p { color: var(--color-muted); }
.feature-list {
    list-style: none;
    margin: 0; padding: 0;
    display: grid;
    gap: 0;
}
.feature-list li {
    border-top: 1px solid var(--color-line);
    padding: 20px 0 20px 28px;
    position: relative;
}
.feature-list li:last-child { border-bottom: 1px solid var(--color-line); }
/* Módulo cuadrado del ícono como viñeta */
.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 29px;
    width: 10px;
    height: 10px;
    background: var(--color-verde);
}
.feature-list h3 { margin-bottom: 4px; }
.feature-list p { margin: 0; color: var(--color-muted); }

/* ---------- Productos ---------- */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.card {
    background: #fff;
    border: 1px solid var(--color-line);
    border-top: 4px solid var(--color-verde);
    border-radius: var(--radius-sm);
    padding: 30px 28px;
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--transition), border-color var(--transition);
}
.card:hover { box-shadow: var(--shadow); }
.card-icon {
    width: 60px; height: 60px;
    background: var(--color-verde-soft);
    color: var(--color-verde);
    display: grid; place-items: center;
    margin-bottom: 20px;
}
.card h3 { margin-bottom: 6px; font-size: 1.4rem; }
.card-tag {
    color: var(--color-verde);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    margin: 0 0 14px;
}
.card p { color: var(--color-muted); flex: 1; }
.card-link {
    margin-top: 16px;
    font-weight: 600;
    align-self: flex-start;
}

/* ---------- Municipalidades ---------- */
.muni-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.28);
}
.muni-grid > div {
    padding: 24px 24px 24px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.28);
}
.muni-grid h3 { color: #fff; margin-bottom: 6px; }
.muni-grid p { color: #DCEBEE; margin: 0; }

.catalogo-banner {
    display: block;
    margin-top: 40px;
    max-width: 560px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: opacity var(--transition);
}
.catalogo-banner:hover { opacity: 0.92; }
.catalogo-banner:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }

/* ---------- Contacto ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: clamp(28px, 5vw, 56px);
    align-items: start;
}
.contact-info {
    background: var(--color-bg-alt);
    border-left: 4px solid var(--color-verde);
    padding: 28px;
}
.contact-list {
    list-style: none;
    margin: 18px 0 0;
    padding: 0;
    display: grid;
    gap: 12px;
}
.contact-list li {
    display: grid;
    grid-template-columns: 90px 1fr;
    align-items: center;
    gap: 10px;
}
.contact-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-muted);
}
.contact-note {
    margin: 24px 0 0;
    font-size: 0.9rem;
    font-style: italic;
    color: var(--color-muted);
}

.contact-form {
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-sm);
    padding: 28px;
    display: grid;
    gap: 18px;
}
.field { display: grid; gap: 6px; }
.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: start;
}
label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-ink);
}
.req { color: var(--color-verde); }
input[type="text"], input[type="email"], input[type="tel"], textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid #CFC8C5;
    border-radius: var(--radius-sm);
    background: #fff;
    font: inherit;
    color: var(--color-ink);
    transition: border-color var(--transition), box-shadow var(--transition);
}
textarea { resize: vertical; min-height: 120px; }
input:focus, textarea:focus {
    outline: none;
    border-color: var(--color-verde);
    box-shadow: 0 0 0 3px rgba(23, 107, 123, 0.18);
}
input[aria-invalid="true"], textarea[aria-invalid="true"] {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(168, 56, 42, 0.12);
}
.field-error {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-error);
}

.hp {
    position: absolute;
    left: -10000px;
    width: 1px; height: 1px;
    overflow: hidden;
}

altcha-widget {
    --altcha-color-primary: var(--color-verde);
    --altcha-color-success: var(--color-success);
    --altcha-color-error: var(--color-error);
    --altcha-border-color: var(--color-line);
    --altcha-border-radius: var(--radius-sm);
    --altcha-max-width: 100%;
    color-scheme: light;
}

.form-status {
    margin: 0;
    font-size: 1rem;
    min-height: 1.4em;
}
.form-status.is-success { color: var(--color-success); font-weight: 600; }
.form-status.is-error { color: var(--color-error); font-weight: 600; }
.form-status.is-warning { color: #8A6A1A; font-weight: 600; }

/* ---------- Footer (monocromo blanco sobre tinta) ---------- */
.site-footer {
    background: var(--color-ink);
    color: #C9C4C2;
    padding: 64px 0 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr repeat(2, 1fr);
    gap: 32px;
    align-items: start;
}
.site-footer h4 { color: #fff; margin-bottom: 14px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer a { color: #E6E2E0; }
.site-footer a:hover { color: #fff; }
.site-footer p { margin: 16px 0 0; color: #C9C4C2; }

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px 24px;
    margin-top: 40px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 0.88rem;
}
.footer-bottom p { margin: 0; color: #A39E9C; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-card { max-width: 300px; margin: 0 auto; }
    .continuidad-grid { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
    .nav { flex-wrap: wrap; justify-content: center; padding-top: 10px; padding-bottom: 6px; gap: 6px; }
    .nav-links { justify-content: center; gap: 0; }
    .nav-links a { padding: 6px 8px; font-size: 0.95rem; }
    .nav-links a.cta { margin-left: 6px; padding: 6px 12px; }
    html { scroll-padding-top: 110px; }
}

@media (max-width: 560px) {
    .field-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
}

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