*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --cyan:      #0ab3d5;
      --cyan-dark: #0891b2;
      --green:     #7dc424;
      --green-dark:#5fa016;
      --white:     #ffffff;
      --gray-100:  #f0f9ff;
      --gray-400:  #94a3b8;
      --gray-600:  #475569;
      --text:      #1e3a4a;
      --shadow:    0 20px 60px rgba(10, 100, 140, .18);
    }

    /* ── BASE ── */
    html, body {
      height: 100%;
      font-family: 'Open Sans', sans-serif;
      background: var(--gray-100);
    }

    /* ── LAYOUT ── */
    .page {
      min-height: 100vh;
      display: flex;
      align-items: stretch;
    }

    /* ── LEFT PANEL / SLIDER ── */
    .hero {
      flex: 1 1 55%;
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
    }

    /* ── SLIDER ── */
    .slider {
      position: absolute;
      inset: 0;
      z-index: 0;
    }
    .slide {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: 0;
      transition: opacity 1.2s ease-in-out, transform 8s ease-in-out;
      transform: scale(1.06);
    }
    .slide.active {
      opacity: 1;
      transform: scale(1);
    }
    /* overlay degradado encima de cada imagen */
    .slide::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(
        to bottom,
        rgba(0,60,90,.28) 0%,
        rgba(0,40,70,.18) 40%,
        rgba(0,30,60,.65) 100%
      );
    }

    /* ── DOTS ── */
    .slider-dots {
      position: absolute;
      bottom: 110px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 4;
      display: flex;
      gap: 8px;
    }
    .dot {
      width: 8px; height: 8px;
      border-radius: 50%;
      background: rgba(255,255,255,.5);
      cursor: pointer;
      transition: background .3s, transform .3s;
      border: none;
      padding: 0;
    }
    .dot.active {
      background: var(--white);
      transform: scale(1.3);
    }

    /* ── ARROWS ── */
    .slider-arrow {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      z-index: 4;
      width: 38px; height: 38px;
      border-radius: 50%;
      background: rgba(255,255,255,.22);
      backdrop-filter: blur(6px);
      border: 1.5px solid rgba(255,255,255,.4);
      color: white;
      font-size: 1.1rem;
      cursor: pointer;
      display: flex; align-items: center; justify-content: center;
      transition: background .2s;
    }
    .slider-arrow:hover { background: rgba(255,255,255,.38); }
    .arrow-prev { left: 14px; }
    .arrow-next { right: 14px; }

    /* wave bottom */
    .wave {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      height: 90px;
      overflow: hidden;
      z-index: 3;
      pointer-events: none;
    }
    .wave svg { width: 100%; height: 100%; }

    /* headline overlay */
    .hero-content {
      position: relative;
      z-index: 3;
      padding: clamp(1.5rem, 4vw, 3rem) clamp(1.5rem, 5vw, 4rem) clamp(4rem, 8vw, 7rem);
    }

    .hero-title {
      font-family: 'Montserrat', sans-serif;
      font-size: clamp(1.5rem, 3.5vw, 2.8rem);
      font-weight: 700;
      color: var(--white);
      line-height: 1.15;
      text-transform: uppercase;
      letter-spacing: -.5px;
      text-shadow: 0 2px 18px rgba(0,0,0,.35);
    }
    .hero-title span {
      font-weight: 900;
      color: #F5A623;
    }

    .hero-sub {
      margin-top: .9rem;
      font-family: 'Montserrat', sans-serif;
      font-size: clamp(.95rem, 2vw, 1.35rem);
      font-weight: 600;
      color: #b4f5a0;
      line-height: 1.3;
    }
    .hero-sub em {
      font-style: normal;
      font-weight: 900;
      text-decoration: underline;
      text-underline-offset: 3px;
      color: #d9ff7a;
    }

    .hero-quote {
      margin-top: 1.4rem;
      font-size: clamp(.8rem, 1.4vw, 1rem);
      color: rgba(255,255,255,.82);
      font-style: italic;
      line-height: 1.55;
      max-width: 380px;
    }

    /* water drops */
    .drops {
      margin-top: 1rem;
      display: flex;
      gap: .5rem;
    }
    .drop {
      width: 10px; height: 14px;
      border-radius: 50% 50% 60% 60% / 40% 40% 60% 60%;
      background: #0D2E42;
      opacity: .8;
      animation: drip 1.8s ease-in-out infinite;
    }
    .drop:nth-child(2) { animation-delay: .3s; background: #F5A623; }
    .drop:nth-child(3) { animation-delay: .6s; }
    @keyframes drip {
      0%, 100% { transform: translateY(0) scaleY(1); opacity:.7; }
      50%       { transform: translateY(6px) scaleY(.85); opacity:1; }
    }

    /* blobs / leaves — hidden now, slider replaces them */
    .blob, .faucet-wrap, .leaf { display: none; }

    /* ── RIGHT PANEL ── */
    .card-wrap {
      flex: 0 0 clamp(280px, 38vw, 440px);
      display: flex;
      align-items: center;
      justify-content: center;
      padding: clamp(1.5rem, 4vw, 3rem) clamp(1.5rem, 3vw, 2.5rem);
      background: var(--white);
    }

    .card {
      width: 100%;
      max-width: 380px;
      background: var(--white);
      border-radius: 20px;
      box-shadow: var(--shadow);
      padding: clamp(2rem, 5vw, 3rem) clamp(1.5rem, 4vw, 2.5rem);
      animation: cardIn .6s cubic-bezier(.22,1,.36,1) both;
    }
    @keyframes cardIn {
      from { opacity:0; transform: translateY(28px); }
      to   { opacity:1; transform: translateY(0); }
    }

    /* logo */
    .logo {
      display: block;
      margin: 0 auto 1.8rem;
      width: clamp(100px, 18vw, 140px);
    }

    /* form */
    .form-label {
      display: block;
      font-size: .78rem;
      font-weight: 600;
      color: var(--gray-600);
      margin-bottom: .35rem;
      letter-spacing: .5px;
      text-transform: uppercase;
    }

    .form-input {
      width: 100%;
      padding: .82rem 1rem;
      border: 1.5px solid #d1e9f4;
      border-radius: 10px;
      font-size: .95rem;
      color: var(--text);
      background: var(--gray-100);
      transition: border-color .2s, box-shadow .2s;
      outline: none;
    }
    .form-input::placeholder { color: var(--gray-400); }
    .form-input:focus {
      border-color: var(--cyan);
      box-shadow: 0 0 0 3px rgba(10,179,213,.15);
      background: var(--white);
    }

    /* checkbox */
    .check-row {
      display: flex;
      align-items: flex-start;
      gap: .55rem;
      margin: 1rem 0 1.4rem;
    }
    .check-row input[type="checkbox"] {
      width: 16px; height: 16px;
      accent-color: var(--cyan);
      flex-shrink: 0;
      margin-top: 2px;
      cursor: pointer;
    }
    .check-row label {
      font-size: .82rem;
      color: var(--gray-600);
      line-height: 1.45;
      cursor: pointer;
    }
    .check-row label a {
      color: var(--cyan-dark);
      text-decoration: underline;
    }

     /* CTA button */
    .btn-ingresar {
      width: 100%;
      padding: .9rem;
      background: linear-gradient(90deg, #0D2E42 0%, #1a4d6e 100%);
      border: none;
      border-radius: 10px;
      color: var(--white);
      font-family: 'Montserrat', sans-serif;
      font-size: 1rem;
      font-weight: 800;
      letter-spacing: 2px;
      text-transform: uppercase;
      cursor: pointer;
      transition: transform .15s, box-shadow .15s, filter .15s;
      box-shadow: 0 6px 20px rgba(13,46,66,.4);
    }
    .btn-ingresar:hover {
      filter: brightness(1.15);
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(13,46,66,.55);
    }
    .btn-ingresar:active { transform: translateY(0); }


    /* ── RESPONSIVE: stack on small screens ── */
    @media (max-width: 680px) {
      .page { flex-direction: column; }

      .hero {
        flex: 0 0 56vw;
        min-height: 260px;
      }

      .hero-content {
        padding: 1.2rem 1.2rem 4.5rem;
        text-align: center;
      }
      .hero-quote { max-width: 100%; }
      .drops { justify-content: center; }

      .slider-dots { bottom: 85px; }

      .card-wrap {
        flex: 1 1 auto;
        border-radius: 0;
        padding: 2rem 1.2rem 3rem;
      }

      .wave { height: 55px; }
    }

    @media (max-width: 380px) {
      .hero-title { font-size: 1.3rem; }
      .hero-sub   { font-size: .9rem; }
    }