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

:root {
  --color-bg: #0f1117;
  --color-surface: #1a1d27;
  --color-text: #e4e6ef;
  --color-text-muted: #9197ad;
  --color-accent: #7c6aef;
  --color-love: #e8577e;
  --color-code: #58d5a2;
  --color-dogs: #f5a623;
  --color-mate: #7bb86f;
  --radius: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ---- Hero ---- */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding: 2rem;
  position: relative;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(124, 106, 239, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 60%, rgba(88, 213, 162, 0.08) 0%, transparent 50%),
    var(--color-bg);
}

.hero-content {
  animation: fadeUp 0.8s ease-out both;
}

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.highlight {
  background: linear-gradient(135deg, var(--color-accent), var(--color-code));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--color-text-muted);
  max-width: 600px;
}

.scroll-hint {
  position: absolute;
  bottom: 2rem;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  animation: bounce 2s infinite;
}

/* ---- Cards ---- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  animation: fadeUp 0.6s ease-out both;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: var(--radius) var(--radius) 0 0;
  opacity: 0.85;
}

.card--love::before  { background: var(--color-love); }
.card--code::before  { background: var(--color-code); }
.card--dogs::before  { background: var(--color-dogs); }
.card--mate::before  { background: var(--color-mate); }

.card--love .card-icon { color: var(--color-love); }
.card--code .card-icon { color: var(--color-code); }
.card--dogs .card-icon { color: var(--color-dogs); }
.card--mate .card-icon { color: var(--color-mate); }

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.25rem;
}

.card-icon svg {
  width: 100%;
  height: 100%;
}

.card h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---- Footer ---- */

footer {
  text-align: center;
  padding: 2rem;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ---- Animations ---- */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

/* ---- Responsive ---- */

@media (max-width: 640px) {
  .card-grid {
    grid-template-columns: 1fr;
    padding: 2rem 1rem 4rem;
  }

  .card {
    padding: 2rem 1.5rem;
  }
}

/* ---- Card icon link ---- */

.card-icon-link {
  display: inline-block;
  color: inherit;
  text-decoration: none;
  transition: transform var(--transition);
}

.card-icon-link:hover {
  transform: scale(1.1) rotate(-5deg);
}

/* ---- Mate page ---- */

.mate-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
  animation: fadeUp 0.6s ease-out both;
}

.back-link {
  display: inline-block;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 2rem;
  transition: color var(--transition);
}

.back-link:hover {
  color: var(--color-mate);
}

.mate-header {
  text-align: center;
  margin-bottom: 3rem;
}

.mate-header h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.mate-header .highlight {
  background: linear-gradient(135deg, var(--color-mate), var(--color-dogs));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mate-header .tagline {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin: 0 auto;
}

.mate-figure {
  margin: 2.5rem 0;
  text-align: center;
}

.mate-figure img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.mate-figure figcaption {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.mate-section {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 2rem 2rem;
  margin: 1.5rem 0;
  border-left: 4px solid var(--color-mate);
}

.mate-section h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--color-mate);
}

.mate-section p {
  color: var(--color-text);
  line-height: 1.75;
}

.virtudes-list {
  list-style: none;
  display: grid;
  gap: 1rem;
}

.virtudes-list li {
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.7;
  color: var(--color-text);
}

.virtudes-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-mate);
  font-size: 1.4rem;
  line-height: 1.4;
}

.virtudes-list strong {
  color: var(--color-text);
}

/* ---- Card icon link ---- */

.card-icon-link {
  display: inline-block;
  color: inherit;
  text-decoration: none;
  transition: transform var(--transition);
}

.card-icon-link:hover {
  transform: scale(1.1) rotate(-5deg);
}

/* ---- Mate page ---- */

.mate-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
  animation: fadeUp 0.6s ease-out both;
}

.back-link {
  display: inline-block;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 2rem;
  transition: color var(--transition);
}

.back-link:hover {
  color: var(--color-mate);
}

.mate-header {
  text-align: center;
  margin-bottom: 3rem;
}

.mate-header h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.mate-header .highlight {
  background: linear-gradient(135deg, var(--color-mate), var(--color-dogs));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mate-header .tagline {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin: 0 auto;
}

.mate-figure {
  margin: 2.5rem 0;
  text-align: center;
}

.mate-figure img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.mate-figure figcaption {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.mate-section {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 2rem 2rem;
  margin: 1.5rem 0;
  border-left: 4px solid var(--color-mate);
}

.mate-section h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--color-mate);
}

.mate-section p {
  color: var(--color-text);
  line-height: 1.75;
}

.virtudes-list {
  list-style: none;
  display: grid;
  gap: 1rem;
}

.virtudes-list li {
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.7;
  color: var(--color-text);
}

.virtudes-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-mate);
  font-size: 1.4rem;
  line-height: 1.4;
}

.virtudes-list strong {
  color: var(--color-text);
}

/* ---- Perritos page ---- */

.highlight--dogs {
  background: linear-gradient(135deg, var(--color-dogs), var(--color-love));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.perritos-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.perrito-figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  background: var(--color-surface);
  aspect-ratio: 4 / 3;
  transition: transform var(--transition);
}

.perrito-figure:hover {
  transform: translateY(-4px) scale(1.01);
}

.perrito-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 640px) {
  .perritos-gallery {
    grid-template-columns: 1fr;
  }
}

/* ---- Perritos page ---- */

.highlight--dogs {
  background: linear-gradient(135deg, var(--color-dogs), var(--color-love));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.perritos-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.perrito-figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  background: var(--color-surface);
  aspect-ratio: 4 / 3;
  transition: transform var(--transition);
}

.perrito-figure:hover {
  transform: translateY(-4px) scale(1.01);
}

.perrito-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 640px) {
  .perritos-gallery {
    grid-template-columns: 1fr;
  }
}

/* ---- Natalia page ---- */

.highlight--love {
  background: linear-gradient(135deg, var(--color-love), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.natalia-section {
  border-left-color: var(--color-love);
}

.natalia-section h2 {
  color: var(--color-love);
}

.mate-page .mate-header .highlight--love {
  background: linear-gradient(135deg, var(--color-love), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---- Natalia page ---- */

.highlight--love {
  background: linear-gradient(135deg, var(--color-love), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.natalia-section {
  border-left-color: var(--color-love);
}

.natalia-section h2 {
  color: var(--color-love);
}

.mate-page .mate-header .highlight--love {
  background: linear-gradient(135deg, var(--color-love), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}