/* =====================================================================
   MELAMINA MANTA — style.css
   Hoja de estilos mobile-first. Empieza por el diseño de celular y
   luego se "agranda" para tablet y computadora con @media queries.
   Los colores y tipografías están en variables al inicio: si quieres
   cambiar un color en TODO el sitio, solo cambias uno de estos valores.
===================================================================== */

:root {
  /* ---- Colores ------------------------------------------------- */
  --color-bg: #FAF7F2;          /* blanco cálido (fondo general) */
  --color-bg-alt: #EFEAE1;      /* gris suave (fondo de secciones alternas) */
  --color-ink: #29241F;         /* casi negro cálido (texto fuerte, header, footer) */
  --color-ink-soft: #6E685F;    /* gris cálido (texto secundario) */
  --color-terracota: #C1622D;   /* terracota (color principal / botones) */
  --color-terracota-dark: #9E4E22; /* terracota oscuro (hover) */
  --color-blue: #1D3557;        /* azul corporativo (acentos, títulos, links) */
  --color-blue-light: #2E4C7A;  /* azul más claro (hover, detalles) */
  --color-white: #FFFFFF;
  --color-border: #E2DACC;      /* líneas y bordes suaves */

  /* ---- Tipografías ----------------------------------------------
     Space Grotesk: títulos (look técnico/modular)
     Inter: textos y párrafos
     JetBrains Mono: etiquetas, medidas, detalles tipo "plano técnico" */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* ---- Medidas ---------------------------------------------------- */
  --container-width: 1180px;
  --radius: 6px;
  --header-height: 72px;
}

/* =====================================================================
   RESET BÁSICO
===================================================================== */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height); /* para que el menú fijo no tape el título al hacer clic en un link */
}

body {
  margin: 0;
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0;
  color: var(--color-ink);
}

p { margin: 0; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Respeta a las personas que prefieren menos animación */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* =====================================================================
   ELEMENTOS REUTILIZABLES: botones, textos "eyebrow", títulos de sección
===================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}
.btn:active { transform: scale(0.97); }

.btn--whatsapp {
  background-color: var(--color-terracota);
  color: var(--color-white);
}
.btn--whatsapp:hover { background-color: var(--color-terracota-dark); }

.btn--outline {
  background-color: transparent;
  border-color: var(--color-ink);
  color: var(--color-ink);
}
.btn--outline:hover { background-color: var(--color-ink); color: var(--color-white); }

.btn--small { padding: 10px 18px; font-size: 0.85rem; width: 100%; }
.btn--large { padding: 18px 36px; font-size: 1.05rem; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--color-terracota);
  margin: 0 0 12px;
}
.eyebrow--center { text-align: center; }

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  text-align: center;
  margin-bottom: 14px;
}
.section-title--left { text-align: left; }

.section-subtitle {
  max-width: 620px;
  margin: 0 auto 40px;
  text-align: center;
  color: var(--color-ink-soft);
}

/* Marca de agua de la marca: línea punteada tipo "línea de corte" con
   marcas de medición. Se usa para separar secciones sin ser un simple
   <hr>, reforzando el concepto de precisión/medida del negocio. */
.cut-line {
  height: 14px;
  background-image: repeating-linear-gradient(
    to right,
    var(--color-border) 0,
    var(--color-border) 1px,
    transparent 1px,
    transparent 14px
  );
  background-position: center;
  background-repeat: repeat-x;
  background-size: 100% 1px;
  position: relative;
}

/* =====================================================================
   HEADER
===================================================================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}

.header__bar {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 40px !important;  /* Fuerza este alto para que no se agrande */
    width: auto !important;
    max-height: 40px !important; /* Asegura que no supere este límite */
    display: block !important;
    position: relative !important; /* Evita que se salga de su lugar */
    z-index: 999 !important;      /* Lo pone por encima de otros elementos si fuera necesario */
}
.logo__mark {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-white);
  background-color: var(--color-blue);
  width: 34px; height: 34px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
}
.logo__text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  line-height: 1.1;
  letter-spacing: 0.02em;
}
.logo__text span { color: var(--color-terracota); }

/* Botón hamburguesa (solo visible en celular, ver media query abajo) */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 110;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-ink);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
/* Animación de la hamburguesa a "X" cuando el menú está abierto */
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menú: en celular es un panel a pantalla completa que se abre/cierra */
.nav {
  position: fixed;
  top: var(--header-height);
  left: 0; right: 0;
  bottom: 0;
  background-color: var(--color-bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 32px;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}
.nav.is-open { transform: translateX(0); }

.nav__list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}
.nav__link {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
}
.nav__link:hover { color: var(--color-terracota); }
.nav__cta { display: inline-flex; }

/* =====================================================================
   HERO
===================================================================== */
.hero {
  padding: calc(var(--header-height) + 48px) 0 40px;
  background-color: var(--color-ink);
  color: var(--color-white);
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr; /* Divide el espacio en dos mitades iguales */
  align-items: center;
  gap: 40px;
}
.hero .eyebrow { color: var(--color-terracota); }

.hero__title {
  color: var(--color-white);
  font-size: clamp(2rem, 6vw, 3.1rem);
  margin-bottom: 18px;
}

.hero__subtitle {
  color: #D8D3C8;
  font-size: 1.05rem;
  max-width: 46ch;
  margin-bottom: 28px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}
.hero .btn--outline { border-color: var(--color-white); color: var(--color-white); }
.hero .btn--outline:hover { background-color: var(--color-white); color: var(--color-ink); }

.hero__tagline {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #A7A196;
  letter-spacing: 0.03em;
}

/* Estilo para la imagen principal del Hero */
.hero__diagram img {
width: 100%;
max-width: 420px;
height: auto;
max-height: 450px;
border-radius: 12px;
display: block;
object-fit: contain;
margin: 0 auto;
}

.hero .cut-line { margin-top: 40px; opacity: 0.4; }

/* =====================================================================
   CATÁLOGO
===================================================================== */
.catalog { padding: 64px 0; }

.catalog__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(41, 36, 31, 0.1); }

/* Marcas de esquina tipo "plano técnico": el detalle de firma del sitio */
.card::before, .card::after {
  content: "";
  position: absolute;
  width: 16px; height: 16px;
  border: 2px solid var(--color-terracota);
  z-index: 2;
}
.card::before { top: 8px; left: 8px; border-right: none; border-bottom: none; }
.card::after { bottom: 8px; right: 8px; border-left: none; border-top: none; }

.card__image {
  aspect-ratio: 4 / 3;
  background-color: var(--color-bg-alt);
}
.card__image img { width: 100%; height: 100%; object-fit: cover; }

.card__body { padding: 20px; }
.card__title {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--color-blue);
}
.card__text {
  color: var(--color-ink-soft);
  font-size: 0.92rem;
  margin-bottom: 18px;
}

/* =====================================================================
   POR QUÉ ELEGIRNOS
===================================================================== */
.features {
  padding: 64px 0;
  background-color: var(--color-bg-alt);
}

.features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 40px;
}

.feature__num {
  font-family: var(--font-mono);
  color: var(--color-terracota);
  font-size: 0.85rem;
}
.feature__title {
  font-size: 1.15rem;
  margin: 10px 0 10px;
  color: var(--color-blue);
}
.feature__text { color: var(--color-ink-soft); font-size: 0.94rem; }

/* =====================================================================
   SECCIÓN SEO
===================================================================== */
.seo-block { padding: 64px 0; }

.seo-block__content p {
  margin-bottom: 18px;
  color: var(--color-ink-soft);
}
.seo-block__content strong { color: var(--color-ink); }

.seo-block__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 24px;
}
.seo-block__list li {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  padding-left: 22px;
  position: relative;
  color: var(--color-blue);
}
.seo-block__list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--color-terracota);
}

/* =====================================================================
   CTA FINAL
===================================================================== */
.cta-final {
  padding: 60px 0;
  background-color: var(--color-blue);
  color: var(--color-white);
  text-align: center;
}
.cta-final__title {
  color: var(--color-white);
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  margin-bottom: 12px;
}
.cta-final__text {
  color: #C9D3E0;
  margin-bottom: 26px;
}

/* =====================================================================
   FOOTER
===================================================================== */
.footer {
  background-color: var(--color-ink);
  color: #C9C4B9;
  padding: 56px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding-bottom: 40px;
}

.footer .logo__text { color: var(--color-white); }
.footer__text { margin-top: 14px; font-size: 0.9rem; color: #A7A196; }

.footer__title {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer__list li, .footer__social li { margin-bottom: 10px; font-size: 0.92rem; }
.footer__list a:hover, .footer__social a:hover { color: var(--color-terracota); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.8rem;
  color: #8B8578;
}

/* =====================================================================
   RESPONSIVE — TABLET (600px en adelante)
===================================================================== */
@media (min-width: 600px) {
  .catalog__grid { grid-template-columns: repeat(2, 1fr); }
  .features__grid { grid-template-columns: repeat(3, 1fr); }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
  .btn--small { width: auto; }
}

/* =====================================================================
   RESPONSIVE — ESCRITORIO (900px en adelante)
===================================================================== */
@media (min-width: 900px) {
  :root { --header-height: 84px; }

  /* El menú deja de ser un panel a pantalla completa y vuelve a la barra */
  .nav-toggle { display: none; }
  .nav {
    position: static;
    transform: none;
    flex-direction: row;
    background: none;
    gap: 36px;
  }
  .nav__list { flex-direction: row; gap: 30px; }
  .nav__link { font-size: 0.95rem; }

  .hero__grid {
    flex-direction: row;
    align-items: center;
  }
  .hero__content { flex: 1.1; }
  .hero__diagram { flex: 0.9; height: 320px; }

  .footer__grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}

@media (min-width: 1200px) {
  .catalog__grid { grid-template-columns: repeat(4, 1fr); }
}

/* ==========================================================
   ADAPTACIÓN PARA MÓVILES
   ========================================================== */

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

@media (max-width: 768px) {
    body {
        font-size: 15px;
    }
    
    .hero_grid, .container {
        width: 100% !important;
        padding-left: 15px !important;
        padding-right: 15px !important;

    }
    button, .btn {
        width: 100%;
        padding: 12px;
    }
}

.whatsapp-flotante {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background-color: #25d366;
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 9999;
    transition: transform 0.3s ease;
}

.whatsapp-flotante:hover {
    transform: scale(1.1);
}