@layer reset, base, layout, components;

/* Colores y medidas tomados del diseño de Figma */
:root {
  --navy: #2c2f7a;
  --navy-footer: #2b2f79; /* igual al fondo del logo del pie */
  --navy-900: #1d1f5c;
  --navy-100: #e6e7f4;
  --green: #6fb445;
  --green-700: #3d7a2b;
  --bg: #f2f2f2;
  --surface: #ffffff;
  --card: #ededed;
  --text: #1e1f2b;
  --muted: #4b4d5c;
  --radius: 12px;
  --shadow: 0 10px 30px rgb(29 31 92 / 0.12);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --container: 1180px;
  --header-h: 4.5rem;
}

@layer reset {
  html {
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: calc(var(--header-h) + 1rem);
  }
  @media (prefers-reduced-motion: no-preference) {
    html { scroll-behavior: smooth; }
  }
  body, h1, h2, h3, h4, p, ul, dl, dd { margin: 0; }
  ul[class], nav ul, footer ul { padding: 0; list-style: none; }
  img, svg { display: block; max-width: 100%; height: auto; }
  .btn, .menu-toggle, .card, .sede { box-sizing: border-box; }
}

@layer base {
  body {
    font-family: var(--font);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
  }
  h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -0.015em; text-wrap: balance; }
  h2 {
    font-size: clamp(1.6rem, 1.1rem + 2vw, 2.3rem);
    font-weight: 700;
    color: var(--text);
  }
  p { text-wrap: pretty; }
  a { color: inherit; }
  :focus-visible { outline: 3px solid var(--green); outline-offset: 3px; }
  .icon {
    width: 1.25em;
    height: 1.25em;
    flex: none;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
  }
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
  .skip-link {
    position: absolute;
    inset-block-start: -10rem;
    inset-inline-start: 1rem;
    z-index: 100;
    padding: 0.75rem 1rem;
    background: var(--navy);
    color: #fff;
    border-radius: 8px;
    &:focus { inset-block-start: 1rem; }
  }
}

@layer layout {
  .container {
    width: min(100% - 2rem, var(--container));
    margin-inline: auto;
  }
  .section { padding-block: clamp(3.5rem, 2rem + 6vw, 6rem); }
  .section-tight { padding-block-start: 0; }
  .split {
    display: grid;
    gap: 2rem;
    align-items: center;
    > div > * + * { margin-block-start: 1rem; }
  }
  @media (min-width: 860px) {
    .split { grid-template-columns: 1fr 1fr; gap: 4rem; }
  }
}

@layer components {
  /* Botones */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 2.9rem;
    padding: 0.7rem 1.4rem;
    border-radius: 8px;
    border: 1px solid transparent;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.15s ease, background-color 0.15s ease;
    &:hover { transform: translateY(-1px); }
  }
  .btn-primary { background: var(--navy); color: #fff; &:hover { background: var(--navy-900); } }
  .btn-light { background: #fff; color: var(--navy-900); }
  .btn-glass {
    background: rgb(255 255 255 / 0.18);
    border-color: rgb(255 255 255 / 0.45);
    color: #fff;
    backdrop-filter: blur(6px);
    &:hover { background: rgb(255 255 255 / 0.28); }
  }

  /* Encabezado */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: #fff;
    box-shadow: 0 1px 0 rgb(0 0 0 / 0.06);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: var(--header-h);
  }
  .brand img { width: auto; height: 3.1rem; }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 2.75rem;
    padding: 0.5rem 0.9rem;
    border: 1px solid var(--navy-100);
    border-radius: 8px;
    background: #fff;
    color: var(--navy);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
  }
  .menu-toggle-bars,
  .menu-toggle-bars::before,
  .menu-toggle-bars::after {
    display: block;
    width: 1.1rem;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
  }
  .menu-toggle-bars { position: relative; }
  .menu-toggle-bars::before,
  .menu-toggle-bars::after { content: ""; position: absolute; }
  .menu-toggle-bars::before { top: -6px; }
  .menu-toggle-bars::after { top: 6px; }

  .site-nav {
    position: absolute;
    inset: var(--header-h) 0 auto;
    display: none;
    padding: 1rem;
    background: #fff;
    box-shadow: var(--shadow);
    ul { display: grid; gap: 0.25rem; margin-block-end: 1rem; }
    a:not(.btn) {
      display: block;
      padding: 0.7rem 0.5rem;
      font-weight: 500;
      color: var(--navy);
      text-decoration: none;
      border-radius: 6px;
      &:hover { background: var(--navy-100); }
      &[aria-current="page"] { font-weight: 700; }
    }
    .nav-cta { width: 100%; }
  }
  .site-header:has(.menu-toggle[aria-expanded="true"]) .site-nav { display: block; }

  @media (min-width: 960px) {
    .menu-toggle { display: none; }
    .site-nav,
    .site-header:has(.menu-toggle[aria-expanded="true"]) .site-nav {
      position: static;
      display: flex;
      align-items: center;
      gap: 1.5rem;
      padding: 0;
      background: none;
      box-shadow: none;
      ul { display: flex; gap: 0.25rem; margin: 0; }
      a:not(.btn) { padding: 0.5rem 0.75rem; }
      .nav-cta { width: auto; }
    }
  }

  /* Portada con foto de fondo */
  .hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    color: #fff;
    text-align: center;
    background: var(--navy-900);
    &::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      background: linear-gradient(180deg, rgb(15 17 50 / 0.55) 0%, rgb(15 17 50 / 0.45) 50%, rgb(15 17 50 / 0.7) 100%);
    }
  }
  .hero-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 62%;
  }
  .hero-inner { padding-block-start: clamp(3.5rem, 2rem + 7vw, 7rem); }
  .hero-eyebrow {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    opacity: 0.95;
  }
  .hero h1 {
    max-width: 24ch;
    margin: 1rem auto 0;
    font-size: clamp(2.1rem, 1rem + 4.6vw, 4.2rem);
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.05;
    text-shadow: 0 2px 20px rgb(0 0 0 / 0.25);
  }
  .hero-lead {
    max-width: 38rem;
    margin: 1.5rem auto 0;
    font-size: clamp(1rem, 0.9rem + 0.5vw, 1.2rem);
  }
  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-block-start: 2rem;
  }
  .stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: clamp(2.5rem, 1rem + 5vw, 4.5rem) auto 0;
    padding: 1.5rem 1rem;
    background: rgb(255 255 255 / 0.16);
    border: 1px solid rgb(255 255 255 / 0.25);
    border-block-end: 0;
    border-radius: 16px 16px 0 0;
    backdrop-filter: blur(8px);
  }
  .stat {
    display: flex;
    flex-direction: column-reverse;
    dd { font-size: clamp(1.8rem, 1rem + 3.6vw, 3.5rem); font-weight: 600; line-height: 1; }
    dt { margin-block-start: 0.4rem; font-size: clamp(0.75rem, 0.7rem + 0.3vw, 0.9rem); }
  }

  /* Textos de sección */
  .eyebrow {
    font-weight: 500;
    color: var(--navy);
    + h2 { margin-block-start: 0.5rem; }
  }
  .split > div > p:not([class]) { color: var(--muted); }
  .media {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 14px;
    box-shadow: var(--shadow);
  }
  @media (min-width: 860px) {
    .split-media-first > .media { order: -1; }
  }
  .media-portrait { aspect-ratio: 4 / 5; max-width: 28rem; justify-self: center; }
  .title-navy { color: var(--navy); }
  .title-center { text-align: center; margin-block-end: 2.5rem; }
  .strong-line { font-weight: 700; color: var(--text); }

  /* Título con línea y botón, como en el diseño */
  .section-head {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-block: clamp(3rem, 2rem + 3vw, 4.5rem) 2rem;
    h3 {
      font-size: clamp(1.4rem, 1.1rem + 1.2vw, 1.9rem);
      font-weight: 700;
      color: var(--navy);
    }
    &::after {
      content: "";
      order: 1;
      flex: 1;
      height: 2px;
      background: var(--navy);
    }
    .pill { order: 2; }
  }
  .pill {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.35rem 0.4rem 0.35rem 1.1rem;
    border-radius: 999px;
    background: var(--navy);
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    white-space: nowrap;
    .icon {
      width: 1.9rem;
      height: 1.9rem;
      padding: 0.3rem;
      border: 2px solid #fff;
      border-radius: 50%;
      box-sizing: border-box;
    }
    &:hover { background: var(--navy-900); }
  }

  /* Encabezado de páginas internas */
  .page-banner {
    position: relative;
    isolation: isolate;
    display: grid;
    place-items: center;
    min-height: clamp(10rem, 6rem + 14vw, 18rem);
    overflow: hidden;
    color: #fff;
    text-align: center;
    background: var(--navy-900);
    &::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      background: rgb(15 17 50 / 0.5);
    }
    img {
      position: absolute;
      inset: 0;
      z-index: -2;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    h1 {
      font-size: clamp(2rem, 1.2rem + 3.5vw, 3.75rem);
      font-weight: 700;
      text-shadow: 0 2px 16px rgb(0 0 0 / 0.3);
    }
  }

  /* Encabezado de grupo de servicios */
  .group-head {
    text-align: center;
    padding-block-end: 1.25rem;
    border-block-end: 2px solid var(--navy);
    margin-block-end: clamp(2rem, 1rem + 3vw, 3.5rem);
    h2 { color: var(--navy); margin-block-start: 0.4rem; }
  }

  /* Bloques de servicio alternados (foto + texto) */
  .service {
    display: grid;
    gap: 1.5rem 4rem;
    align-items: center;
    padding-block: clamp(2rem, 1rem + 3vw, 3.25rem);
    + .service { border-block-start: 2px solid rgb(44 47 122 / 0.6); }
    > div > * + * { margin-block-start: 0.9rem; }
    h3 {
      font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.3rem);
      font-weight: 700;
      color: var(--navy);
    }
    h4 { font-size: 1.15rem; font-weight: 700; color: var(--navy); }
    p { color: var(--muted); }
    p strong { color: var(--text); }
    .subtitle { margin-block-start: 0.3rem; font-size: 1.1rem; font-weight: 600; color: var(--text); }
    .subtitle-accent { color: var(--navy); font-weight: 500; }
    .check-list { font-size: 1.02rem; }
    @media (min-width: 860px) {
      grid-template-columns: 1fr 1fr;
      &.service-reverse > :first-child { order: 2; }
    }
  }
  .service-center {
    text-align: center;
    max-width: 52rem;
    margin-inline: auto;
    > * + * { margin-block-start: 1rem; }
  }
  .service-media {
    img { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; border-radius: 12px; box-shadow: var(--shadow); }
    &.media-tall img { aspect-ratio: 3 / 2; }
  }
  .media-pair {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 1rem;
    img { aspect-ratio: auto; height: 100%; min-height: 10rem; }
  }
  .media-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    img { aspect-ratio: 5 / 6; }
  }
  .labeled-list {
    display: grid;
    gap: 0.7rem;
    li { display: flex; gap: 0.6rem; align-items: start; color: var(--muted); }
    strong { color: var(--text); }
    .icon { color: var(--navy); margin-block-start: 0.2em; }
  }

  /* Tarjeta "¿Cuándo buscar ayuda?" */
  .help-card {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    margin-block: clamp(2rem, 1rem + 3vw, 3.5rem);
    padding: clamp(1.75rem, 1rem + 3vw, 3rem);
    border-radius: 18px;
    color: #fff;
    background: var(--navy-900);
    &::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      background: linear-gradient(180deg, rgb(10 12 40 / 0.78), rgb(10 12 40 / 0.92));
    }
    > img {
      position: absolute;
      inset: 0;
      z-index: -2;
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: 75% 30%;
    }
    > div { max-width: 36rem; > * + * { margin-block-start: 0.75rem; } }
    h3 { font-size: clamp(1.7rem, 1.2rem + 2vw, 2.6rem); font-weight: 700; text-transform: uppercase; }
    .help-sub { margin-block-start: 0.25rem; font-size: clamp(1.1rem, 1rem + 0.8vw, 1.6rem); text-transform: uppercase; }
    ul { padding-inline-start: 1.25rem; font-size: 0.98rem; }
    .help-note { font-weight: 600; }
    @media (min-width: 860px) {
      &::before { background: linear-gradient(90deg, rgb(10 12 40 / 0.95) 0%, rgb(10 12 40 / 0.85) 45%, rgb(10 12 40 / 0.05) 80%); }
    }
  }

  /* Franja "¿Por qué elegir FASALUD?" */
  .why {
    background: var(--navy);
    color: #fff;
  }
  .why-inner {
    display: grid;
    @media (min-width: 860px) { grid-template-columns: 1.1fr 1fr; }
  }
  .why-photo {
    position: relative;
    isolation: isolate;
    display: flex;
    align-items: center;
    min-height: 16rem;
    padding-block: 2rem;
    padding-inline: max(1rem, (100vw - var(--container)) / 2) 1rem;
    img {
      position: absolute;
      inset: 0;
      z-index: -2;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    &::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      background: linear-gradient(90deg, rgb(44 47 122 / 0.85) 0%, rgb(44 47 122 / 0.35) 55%, var(--navy) 100%);
    }
    h2 { max-width: 9ch; color: #fff; font-size: clamp(2rem, 1.4rem + 2vw, 2.75rem); text-transform: uppercase; line-height: 1.05; }
  }
  .why-list {
    align-self: center;
    padding-block: 2rem;
    padding-inline: 1rem max(1rem, (100vw - var(--container)) / 2);
    .check-list { color: #fff; font-size: 1.05rem; }
    .check-list .icon { color: #fff; --check: var(--navy); }
  }

  .check-list {
    display: grid;
    gap: 0.6rem;
    color: var(--text);
    li { display: flex; gap: 0.6rem; align-items: start; }
    .icon { color: var(--navy); margin-block-start: 0.15em; }
  }

  /* Valores (franja azul) */
  .values { background: var(--navy); color: #fff; padding-block: 2.5rem; }
  .values-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    li:last-child { grid-column: 1 / -1; }
    @media (min-width: 900px) {
      grid-template-columns: repeat(5, 1fr);
      li:last-child { grid-column: auto; }
    }
    li {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.75rem;
      padding: 1.25rem 0.75rem;
      border: 1px solid rgb(255 255 255 / 0.6);
      border-radius: 10px;
      text-align: center;
      font-size: 0.9rem;
      font-weight: 500;
    }
    img { width: 3rem; height: 3rem; object-fit: contain; }
  }

  /* Tarjetas de servicios con foto */
  .cards, .sedes {
    display: grid;
    gap: 1.25rem;
    @media (min-width: 560px) { grid-template-columns: repeat(2, 1fr); }
    @media (min-width: 1000px) { grid-template-columns: repeat(4, 1fr); }
  }
  .card {
    padding: 1rem 1rem 1.5rem;
    border-radius: var(--radius);
    background: var(--card);
    box-shadow: var(--shadow);
    img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
      border-radius: 8px;
      margin-block-end: 1rem;
    }
    h4 { font-size: 1.05rem; font-weight: 700; padding-inline: 0.25rem; }
    p { margin-block-start: 0.5rem; padding-inline: 0.25rem; font-size: 0.9rem; color: var(--muted); }
  }
  .also { margin-block-start: 2rem; text-align: center; color: var(--muted); }

  /* Llamado a la acción con foto */
  .cta {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    color: #fff;
    text-align: center;
    padding-block: clamp(4rem, 2rem + 6vw, 6.5rem);
    background: var(--navy-900);
    &::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      background: linear-gradient(90deg, rgb(29 31 92 / 0.85), rgb(44 47 122 / 0.55), rgb(29 31 92 / 0.85));
    }
  }
  .cta-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .cta-inner {
    h2 { color: #fff; text-transform: uppercase; letter-spacing: 0.01em; }
    p { margin-block: 0.25rem 1.75rem; font-size: 1.2rem; }
  }

  /* Cobertura: mapa + fotos */
  .coverage {
    .map { width: min(100%, 15rem); margin-inline: auto; }
    @media (min-width: 860px) { .map { width: min(100%, 26rem); } }
    .check-list { margin-block-start: 1.25rem; }
  }
  .city-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-block-start: 1.5rem;
    img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
      border-radius: 10px;
      box-shadow: var(--shadow);
    }
  }
  .sede {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.5rem;
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
    > .icon { width: 2rem; height: 2rem; color: var(--navy); }
    h4 { font-size: 1.1rem; }
    p { color: var(--muted); font-size: 0.95rem; }
    .sede-contact {
      flex: 1;
      display: grid;
      align-content: start;
      gap: 0.3rem;
      font-size: 0.9rem;
      color: var(--muted);
      a { font-weight: 500; overflow-wrap: anywhere; }
    }
    a {
      align-self: start;
      font-weight: 600;
      color: var(--navy);
      text-underline-offset: 3px;
    }
  }

  /* Aliados */
  .allies-section {
    padding-block: 0 clamp(3.5rem, 2rem + 5vw, 5rem);
    text-align: center;
    h2 { color: var(--navy); }
  }
  .allies {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem 3.5rem;
    margin-block-start: 2rem;
    img { width: auto; max-width: 11rem; max-height: 3.5rem; object-fit: contain; }
    li:nth-child(2) img { max-height: 5rem; }
  }

  /* Pie de página */
  .site-footer {
    background: var(--navy-footer);
    color: #fff;
    padding-block: 3rem 1.5rem;
    font-size: 0.92rem;
    h2 { font-size: 1rem; color: #fff; margin-block-end: 0.9rem; }
    ul { display: grid; gap: 0.5rem; }
    a {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      text-decoration: none;
      overflow-wrap: break-word;
      &:hover { text-decoration: underline; }
    }
    .footer-legal { margin-block-start: 1rem; font-size: 0.82rem; opacity: 0.85; }
  }
  .footer-brand img { width: 12rem; }
  .footer-sedes { font-size: 0.86rem; line-height: 1.5; a { display: inline; text-decoration: underline; text-underline-offset: 2px; } }
  .footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
    gap: 2rem;
  }
  .copyright {
    margin-block-start: 2.5rem;
    padding-block-start: 1.5rem;
    border-block-start: 1px solid rgb(255 255 255 / 0.2);
    font-size: 0.8rem;
    opacity: 0.8;
  }

  /* Botón flotante de WhatsApp */
  .whatsapp-float {
    position: fixed;
    inset-block-end: 1.25rem;
    inset-inline-end: 1.25rem;
    z-index: 60;
    display: grid;
    place-items: center;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background: #25d366;
    color: #fff;
    box-shadow: 0 8px 24px rgb(0 0 0 / 0.25);
    transition: transform 0.15s ease;
    &:hover { transform: scale(1.06); }
    .icon { width: 1.9rem; height: 1.9rem; }
  }
}