:root {
      --red: #e8182c;
      --red-dark: #c0121e;
      --black: #111111;
      --dark: #1a1a1a;
      --gray-bg: #f5f5f5;
      --gray-light: #e8e8e8;
      --gray-mid: #888;
      --white: #ffffff;
      --nav-h: 60px;
      --radius: 12px;
      --shadow: 0 4px 24px rgba(0,0,0,.10);
      --shadow-lg: 0 8px 40px rgba(0,0,0,.18);
    }
 
    /* ===== RESET ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body { font-family: 'inter', sans-serif; color: var(--black); background: var(--white); overflow-x: hidden; }
    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }
    img { max-width: 100%; display: block; }
    button, select, input { font-family: inherit; }
 
    /* ===== NAV ===== */
    .nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 1000;
      height: var(--nav-h);
      background: var(--black);
     /* ===== display: flex;===== */
      align-items: center;
      justify-content: space-between;
     /* ===== padding: 0 2rem;===== */
      transition: box-shadow .3s;
    }
    .nav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,.4); }
 
    .nav-logo {
      font-family: 'inter', sans-serif;
      font-weight: 700;
      font-size: 1rem;
      letter-spacing: -.025em;
      color: var(--white);
    }
 
    .nav-links {
      display: flex;
      align-items: center;
      gap: 2rem;
    }
    .nav-links a {
      color: var(--white);
      font-weight: 600;
      font-size: .92rem;
      letter-spacing: .03em;
      transition: color .2s;
    }
    .nav-links a:hover { color: var(--red); }
 
    .btn-whatsapp {
      display: flex;
      align-items: center;
      gap: .5rem;
      background: #25d366;
      color: var(--white) !important;
      font-weight: 700;
      font-size: .85rem;
      padding: .5rem 1.1rem;
      border-radius: 50px;
      transition: background .2s, transform .15s;
    }
    .btn-whatsapp:hover { background: #1da851; transform: translateY(-1px); }
    .btn-whatsapp svg { flex-shrink: 0; }
 
    /* Hamburger */
    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      padding: 4px;
      background: none;
      border: none;
    }
    .hamburger span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--white);
      border-radius: 2px;
      transition: transform .3s, opacity .3s;
    }
    .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger.open span:nth-child(2) { opacity: 0; }
    .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
 
    /* Mobile menu */
    .mobile-menu {
      display: none;
      position: fixed;
      top: var(--nav-h);
      left: 0; right: 0;
      background: var(--dark);
      z-index: 999;
      padding: 0.5rem 2rem;
      flex-direction: column;
      gap: 0.3rem;
      border-bottom: 3px solid var(--red);
      transform: translateY(-10px);
      opacity: 0;
      transition: transform .3s, opacity .3s;
    }
    .mobile-menu.open { transform: translateY(0); opacity: 1; }
    .mobile-menu a {
      color: var(--white);
      font-weight: 600;
      font-size: 0.785rem;
      border-bottom: 1px solid rgba(255,255,255,.08);
      padding-bottom: .8rem;
    }
    .mobile-menu a:last-child { border-bottom: none; padding-bottom: 0.625rem;
    padding-top: 0.625rem; }
    .mobile-menu .btn-whatsapp {
      width: 100%;
      justify-content: center;
      padding: .75rem 1rem;
      font-size: .95rem;
      border-radius: 8px;
    }
 
    /* ===== HERO ===== */
    .hero {
      min-height: 100vh;
      padding-top: var(--nav-h);
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
    }
    .hero-bg {
      position: absolute;
      inset: 0;
      background:
        linear-gradient(to right, rgba(0,0,0,.78) 42%, rgba(0,0,0,.25) 100%),
        url('./imagenes_landing.jpg') center/cover no-repeat;
    }
    /* Fallback solid if image fails */
    .hero-bg::after {
      content:'';
      position:absolute;inset:0;
      background: linear-gradient(135deg,#111 0%,#2a2a2a 100%);
      z-index:-1;
    }
 
    .hero-inner {
      position: relative;
      z-index: 2;
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 4rem 2rem;
      display: grid;
      grid-template-columns: 1fr 460px;
      align-items: center;
      gap: 3rem;
    }
 
    .hero-text { color: var(--white); }
 
    .badge {
      display: inline-flex;
      align-items: center;
      gap: .4rem;
      background: rgba(235,1,1,.12);
      backdrop-filter: blur(6px);
      border: 1px solid rgba(255,255,255,.2);
      color: var(--white);
      font-size: .8rem;
      font-weight: 700;
      letter-spacing: .08em;
            padding: .35rem .9rem;
      border-radius: 50px;
      margin-bottom: 1.5rem;
    }
        .hero-title {
      font-family: 'inter', sans-serif;
      font-size: clamp(3rem, 3.7vw, 2.7rem);
      font-weight: 700;
      line-height: 1.05;
      letter-spacing: -.01em;
      margin-bottom: 1.2rem;
    }
    .hero-title span { color: var(--red); }
 
    .hero-desc {
      font-size: 1rem;
      line-height: 1.7;
      color: rgba(255,255,255,.75);
      max-width: 32rem;
    }
 
    /* ===== FORM CARD ===== */
    .form-card {
      background: var(--white);
      border-radius: var(--radius);
      padding: 2rem 1.8rem;
      box-shadow: var(--shadow-lg);
    }
    .form-card h2 {
      font-size: 1.3rem;
      font-weight: 800;
      text-align: center;
      margin-bottom: 1.4rem;
      color: var(--black);
    }
 
    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: .75rem;
      margin-bottom: .75rem;
    }
    .form-row2 {
      display: grid;
      gap: .75rem;
      margin-bottom: .75rem;
    }

    .form-group { display: flex; flex-direction: column; gap: .3rem; }
    .form-group.full { grid-column: 1/-1; }
 
    .form-group label {
      font-size: .78rem;
      font-weight: 700;
      color: var(--black);
      letter-spacing: .02em;
    }
 
    .form-group input,
    .form-group select {
      width: 100%;
      padding: .65rem .85rem;
      border: 1.5px solid var(--gray-light);
      border-radius: 8px;
      font-size: .88rem;
      color: var(--black);
      background: var(--white);
      transition: border-color .2s, box-shadow .2s;
      appearance: none;
      -webkit-appearance: none;
    }
    .form-group input:focus,
    .form-group select:focus {
      outline: none;
      border-color: var(--red);
      box-shadow: 0 0 0 3px rgba(232,24,44,.12);
    }
    .form-group input::placeholder { color: #bbb; }
 
    .select-wrap { position: relative; }
    .select-wrap select { padding-right: 2rem; }
    .select-wrap::after {
      content: '▾';
      position: absolute;
      right: .75rem;
      top: 50%;
      transform: translateY(-50%);
      pointer-events: none;
      font-size: .8rem;
      color: var(--gray-mid);
    }
 
    .date-wrap { position: relative; }
    .date-wrap input { padding-left: 2.4rem; }
    .date-wrap svg {
      position: absolute;
      left: .7rem;
      top: 50%;
      transform: translateY(-50%);
      pointer-events: none;
      color: var(--gray-mid);
    }
 
    .btn-confirm {
      width: 100%;
      margin-top: 1rem;
      padding: .85rem;
      background: var(--red);
      color: var(--white);
      font-weight: 800;
      font-size: .95rem;
      letter-spacing: .04em;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      transition: background .2s, transform .15s, box-shadow .2s;
    }
    .btn-confirm:hover {
      background: var(--red-dark);
      transform: translateY(-1px);
      box-shadow: 0 4px 16px rgba(232,24,44,.35);
    }
    .btn-confirm:active { transform: translateY(0); }
 
    /* ===== SECTION SERVICES ===== */
    #servicios { padding: 5rem 2rem; background: var(--gray-bg); }
 
    .section-header { text-align: center; margin-bottom: 3rem; }
    .section-label {
      display: block;
      font-size: .78rem;
      font-weight: 600;
      letter-spacing: .14em;
      text-transform: uppercase;
      color: var(--red);
      margin-bottom: .6rem;
    }
    .section-title {
      font-size: clamp(1.8rem, 1.8vw, 2.8rem);
      font-weight: 600;
      line-height: 1.1;
      margin-bottom: .8rem;
    }
    .section-desc {
      color: var(--gray-mid);
      font-size: 1rem;
      line-height: 1.6;
      max-width: 560px;
      margin: 0 auto;
    }
 
    .services-grid {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.2rem;
    }
 
    .service-card {
      background: var(--white);
      border-radius: var(--radius);
      padding: 1.6rem 1.4rem;
      box-shadow: 0 2px 12px rgba(0,0,0,.06);
      transition: transform .25s, box-shadow .25s;
    }
    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow);
    }
 
    .service-icon {
      width: 48px; height: 48px;
      background: rgba(232,24,44,.1);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1rem;
      color: var(--red);
    }
 
    .service-card h3 {
      font-size: .97rem;
      font-weight: 550;
      margin-bottom: .45rem;
      line-height: 1.3;
    }
    .service-card p {
      font-size: .82rem;
      color: var(--gray-mid);
      line-height: 1.55;
    }
 
    /* ===== FOOTER ===== */
    footer {
      background: var(--black);
      color: var(--white);
      padding: 3.5rem 2rem 1.5rem;
    }
    .footer-inner {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      gap: 3rem;
      padding-bottom: 2.5rem;
      border-bottom: 1px solid rgba(255,255,255,.1);
    }
    .footer-brand .nav-logo { font-size: 1rem; margin-bottom: 1rem; }
    .footer-brand p { font-size: .85rem; color: rgba(255,255,255,.5); line-height: 1.7; max-width: 280px; }
 
    .footer-col h4 {
      font-size: .9rem;
      font-weight: 800;
      letter-spacing: .05em;
      margin-bottom: 1.2rem;
    }
    .footer-col ul { display: flex; flex-direction: column; gap: .65rem; }
    .footer-col ul li {
      display: flex;
      align-items: flex-start;
      gap: .55rem;
      font-size: .85rem;
      color: rgba(255,255,255,.55);
      line-height: 1.4;
    }
    .footer-col ul li svg { flex-shrink: 0; margin-top: 1px; color: var(--red); }
    .footer-col ul li a { color: rgba(255,255,255,.55); transition: color .2s; }
    .footer-col ul li a:hover { color: var(--white); }
 
    .footer-bottom {
      max-width: 1200px;
      margin: 1.5rem auto 0;
      font-size: .78rem;
      color: rgba(255,255,255,.3);
      text-align: center;
    }
 
    /* ===== TOAST ===== */
    .toast {
      position: fixed;
      bottom: 2rem;
      right: 2rem;
      background: var(--black);
      color: var(--white);
      padding: 1rem 1.4rem;
      border-radius: var(--radius);
      border-left: 4px solid #25d366;
      box-shadow: var(--shadow-lg);
      font-size: .9rem;
      font-weight: 600;
      z-index: 2000;
      transform: translateX(120%);
      transition: transform .4s cubic-bezier(.34,1.56,.64,1);
    }
    .toast.show { transform: translateX(0); }
 
    /* ===== MEDIA QUERIES ===== */
    @media (max-width: 1024px) {
      .services-grid { grid-template-columns: repeat(2, 1fr); }
    }
 
    @media (max-width: 860px) {
      .hero-inner {
        grid-template-columns: 1fr;
        padding: 2.5rem 2rem 0;
        gap: 2rem;
        align-items: start;
      }
      .hero-bg { background: linear-gradient(to bottom, rgba(0,0,0,.72) 0%, rgba(0,0,0,.55) 100%), url('imagenes_landing.jpg') center/cover no-repeat; }
      .hero-desc { max-width: 100%; }
 
      /* Form same width as content — respects nav padding */
      .form-card {
        width: 100%;
        max-width: none;
        border-radius: var(--radius) var(--radius) 0 0;
        padding: 2rem 1.5rem;
        margin-bottom: 2.5rem;
      }
 
      .nav-links { display: none; }
      .hamburger { display: flex; }
 
      .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
    }
 
    @media (max-width: 600px) {
      :root { --nav-h: 56px; }
      .hero-inner { padding: 2rem 2rem 0; }
      .form-card {
        width: 100%;
        padding: 1.6rem 2rem;
      }
      .services-grid { grid-template-columns: 1fr; }
      .form-row { grid-template-columns: 1fr; }
      #servicios { padding: 3.5rem 2rem; }
      footer { padding: 2.5rem 2rem 1rem; }
      .toast { right: 1rem; bottom: 1rem; left: 1rem; }
    }