:root {
  color-scheme: dark;
  --background: #07111f;
  --surface: #101e30;
  --text: #f4f8ff;
  --muted: #a5b5c9;
  --accent: #43d9ff;
  --green: #8df5b5;
  --border: rgba(255, 255, 255, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 25px;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

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

img {
  max-width: 100%;
}

/* ENCABEZADO */

.patitas-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  padding: 20px 6%;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 17, 31, 0.95);
}

.patitas-brand {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 1.8px;
}

.patitas-back {
  color: var(--accent);
  font-size: 13px;
  transition: color 0.2s ease;
}

.patitas-back:hover {
  color: var(--green);
}

/* PORTADA */

.patitas-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 470px;
  overflow: hidden;
  padding: 80px 8%;
  background:
    radial-gradient(
      ellipse at 85% 35%,
      rgba(67, 217, 255, 0.15),
      transparent 40%
    ),
    radial-gradient(
      ellipse at 10% 100%,
      rgba(141, 245, 181, 0.09),
      transparent 45%
    ),
    var(--background);
  border-bottom: 1px solid var(--border);
}

.patitas-hero-content {
  position: relative;
  z-index: 1;
  width: min(850px, 100%);
}

.patitas-eyebrow {
  display: inline-block;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 3px;
  line-height: 1.6;
}

.patitas-hero h1 {
  margin: 20px 0;
  font-size: clamp(48px, 8vw, 86px);
  line-height: 0.98;
  letter-spacing: -3px;
}

.patitas-hero h1 span {
  display: block;
  color: var(--green);
}

.patitas-intro {
  max-width: 550px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.patitas-button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  padding: 15px 22px;
  border: 1px solid rgba(141, 245, 181, 0.45);
  border-radius: 12px;
  background: rgba(141, 245, 181, 0.08);
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
  transition:
    background 0.25s ease,
    transform 0.25s ease;
}

.patitas-button:hover {
  background: rgba(141, 245, 181, 0.15);
  transform: translateY(-2px);
}

.patitas-decoration {
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%) rotate(-12deg);
  font-size: clamp(110px, 20vw, 240px);
  opacity: 0.09;
  pointer-events: none;
  user-select: none;
}

/* SECCIONES */

.patitas-cause,
.patitas-gallery-section {
  width: min(1120px, 90%);
  margin: 0 auto;
  padding: 85px 0;
}

.patitas-section-heading {
  max-width: 760px;
  margin: 0 auto 42px;
  text-align: center;
}

.patitas-section-heading h2 {
  margin: 14px 0;
  font-size: clamp(29px, 5vw, 45px);
  line-height: 1.15;
  letter-spacing: -1px;
}

.patitas-section-heading p {
  max-width: 650px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

/* MENSAJE SOLIDARIO */

.patitas-cause-content {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  align-items: center;
  gap: 35px;
  padding: 38px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background:
    linear-gradient(
      135deg,
      rgba(141, 245, 181, 0.06),
      transparent 65%
    ),
    var(--surface);
}

.patitas-heart {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 130px;
  height: 130px;
  border: 1px solid rgba(141, 245, 181, 0.22);
  border-radius: 32px;
  background: rgba(141, 245, 181, 0.07);
  font-size: 66px;
}

.patitas-cause-text h3 {
  margin: 0 0 18px;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.3;
}

.patitas-cause-text p {
  margin: 0 0 15px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.patitas-cause-text p:last-child {
  margin-bottom: 0;
}

/* GALERÍA */

.patitas-gallery-section {
  padding-top: 35px;
}

.patitas-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.patitas-photo {
  position: relative;
  overflow: hidden;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  transition:
    border-color 0.25s ease,
    transform 0.25s ease;
}

.patitas-photo:hover {
  transform: translateY(-4px);
  border-color: rgba(67, 217, 255, 0.45);
}

.patitas-photo img {
  display: block;
  width: 100%;
  height: 260px;
  object-fit: cover;
  object-position: center;
  background: #0b1725;
  transition: transform 0.4s ease;
}

.patitas-photo:hover img {
  transform: scale(1.035);
}

.patitas-photo-caption {
  padding: 15px 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.patitas-status {
  grid-column: 1 / -1;
  padding: 35px 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--muted);
  text-align: center;
  line-height: 1.8;
}

/* CIERRE */

.patitas-closing {
  padding: 75px 6%;
  border-top: 1px solid var(--border);
  background:
    radial-gradient(
      ellipse at 50% 0%,
      rgba(67, 217, 255, 0.09),
      transparent 65%
    );
  text-align: center;
}

.patitas-closing-icon {
  display: block;
  margin-bottom: 18px;
  font-size: 42px;
}

.patitas-closing h2 {
  max-width: 800px;
  margin: 0 auto 16px;
  font-size: clamp(26px, 4.5vw, 42px);
  line-height: 1.2;
}

.patitas-closing p {
  max-width: 620px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.patitas-signature {
  display: inline-block;
  margin-top: 28px;
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
}

/* PIE DE PÁGINA */

.patitas-footer {
  padding: 24px 15px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  text-align: center;
  font-size: 12px;
}

/* TABLET */

@media (max-width: 900px) {
  .patitas-hero {
    min-height: 410px;
    padding: 65px 6%;
  }

  .patitas-decoration {
    right: 3%;
    opacity: 0.06;
  }

  .patitas-cause,
  .patitas-gallery-section {
    width: 92%;
    padding-top: 65px;
    padding-bottom: 65px;
  }

  .patitas-cause-content {
    grid-template-columns: 100px minmax(0, 1fr);
    gap: 24px;
    padding: 28px;
  }

  .patitas-heart {
    width: 95px;
    height: 95px;
    border-radius: 24px;
    font-size: 48px;
  }

  .patitas-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .patitas-photo img {
    height: 230px;
  }
}

/* CELULAR */

@media (max-width: 600px) {
  .patitas-header {
    padding: 16px 5%;
    gap: 10px;
  }

  .patitas-brand {
    font-size: 12px;
    letter-spacing: 1px;
  }

  .patitas-back {
    font-size: 11px;
    text-align: right;
  }

  .patitas-hero {
    min-height: 390px;
    padding: 60px 6%;
  }

  .patitas-hero h1 {
    margin: 18px 0;
    font-size: clamp(46px, 12vw, 65px);
    letter-spacing: -2px;
  }

  .patitas-intro {
    max-width: 380px;
    font-size: 15px;
    line-height: 1.7;
  }

  .patitas-button {
    margin-top: 16px;
    padding: 13px 16px;
    font-size: 13px;
  }

  .patitas-decoration {
    top: auto;
    right: 3%;
    bottom: 0;
    transform: none;
    font-size: 130px;
  }

  .patitas-cause,
  .patitas-gallery-section {
    width: 92%;
    padding: 55px 0;
  }

  .patitas-section-heading {
    margin-bottom: 28px;
  }

  .patitas-section-heading h2 {
    font-size: 29px;
    line-height: 1.2;
  }

  .patitas-section-heading p {
    font-size: 14px;
  }

  .patitas-cause-content {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 22px;
    border-radius: 18px;
  }

  .patitas-heart {
    width: 76px;
    height: 76px;
    border-radius: 20px;
    font-size: 40px;
  }

  .patitas-cause-text h3 {
    font-size: 22px;
  }

  .patitas-cause-text p {
    font-size: 14px;
    line-height: 1.8;
  }

  .patitas-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .patitas-photo {
    border-radius: 11px;
  }

  .patitas-photo img {
    height: 155px;
  }

  .patitas-photo-caption {
    padding: 10px;
    font-size: 11px;
    line-height: 1.5;
  }

  .patitas-closing {
    padding: 55px 6%;
  }

  .patitas-closing-icon {
    font-size: 35px;
  }

  .patitas-closing h2 {
    font-size: 27px;
  }

  .patitas-closing p {
    font-size: 14px;
  }

  .patitas-signature {
    font-size: 10px;
    letter-spacing: 1.3px;
  }
}

/* CELULARES PEQUEÑOS */

@media (max-width: 360px) {
  .patitas-gallery {
    gap: 8px;
  }

  .patitas-photo img {
    height: 125px;
  }

  .patitas-photo-caption {
    padding: 8px;
    font-size: 10px;
  }

  .patitas-cause-content {
    padding: 17px;
  }
}