/* ===== Variables (Nocturno 2) ===== */
:root {
  --color-bg: #0a0d0b;
  --color-bg-soft: #121a16;
  --color-text: #e2e8e6;
  --color-text-muted: #879a92;
  --color-accent: #6b5b95;
  --color-accent-light: #8f7bb8;
  --color-accent-glow: rgba(107, 91, 149, 0.3);
  /* Colores del logo (onda personal) */
  --color-logo-pink: #e8b4bc;
  --color-logo-peach: #e8c4a8;
  --color-logo-warm: #d4a574;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Outfit', system-ui, sans-serif;
  --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Skip link: visible solo al enfocar con teclado */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0.5rem;
  z-index: 9999;
  padding: 0.75rem 1rem;
  background: var(--color-accent);
  color: var(--color-text);
  font-weight: 500;
  border-radius: 4px;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0.5rem;
  outline: 2px solid var(--color-accent-light);
  outline-offset: 2px;
}

/* Ocultar visualmente pero mantener para lectores de pantalla (por si se usa) */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  background: linear-gradient(to bottom, rgba(10, 15, 13, 0.95), transparent);
  backdrop-filter: blur(12px);
  transition: background var(--transition), padding var(--transition);
}

.nav.scrolled {
  background: rgba(10, 15, 13, 0.9);
  padding: 0.75rem 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  background: transparent !important;
  border: none;
  box-shadow: none;
}

/* Un solo logo que se reduce suavemente al hacer scroll (misma imagen, sin intercambio) */
.nav-logo {
  position: relative;
  line-height: 0;
  display: flex;
  align-items: center;
}

.nav-logo-img {
  width: 130px;
  height: 130px;
  object-fit: contain;
  display: block;
  background: transparent !important;
  background-color: transparent !important;
  border: none;
  box-shadow: none;
  outline: none;
  /* Si el WebP tiene matte negro en la exportación, screen hace que ese negro no se vea */
  mix-blend-mode: screen;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1), height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav.scrolled .nav-logo-img {
  width: 61px;
  height: 61px;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links a:hover {
  color: var(--color-accent-light);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

/* Language dropdown */
.nav-lang {
  position: relative;
}

.nav-lang-btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.5rem;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  color: var(--color-text);
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.nav-lang-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-light);
}

.nav-lang-flag {
  font-size: 1.1rem;
  line-height: 1;
}

.nav-lang-arrow {
  font-size: 0.55rem;
  opacity: 0.7;
}

.nav-lang-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  left: auto;
  min-width: 140px;
  padding: 0.5rem;
  background: var(--color-bg-soft);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
  z-index: 200;
}

.nav-lang.open .nav-lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-lang-dropdown button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  text-align: left;
  cursor: pointer;
  border-radius: 4px;
  transition: color var(--transition), background var(--transition);
}

.nav-lang-dropdown button:hover {
  color: var(--color-accent-light);
  background: rgba(61, 139, 110, 0.1);
}

/* ===== Sections - Viewport fit ===== */
.hero,
.bio,
.portfolio,
.contact {
  min-height: 100vh;
  height: 100vh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 6rem 2rem 4rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 50% 0%, var(--color-accent-glow) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(45, 90, 74, 0.2) 0%, transparent 40%),
    radial-gradient(ellipse 40% 30% at 20% 80%, rgba(61, 139, 110, 0.15) 0%, transparent 40%);
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(61, 139, 110, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 139, 110, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: patternMove 20s linear infinite;
}

@keyframes patternMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
}

.hero-subtitle {
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.2s;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.4s;
}

.hero-cta {
  display: inline-block;
  padding: 1rem 2.5rem;
  border: 1px solid var(--color-accent);
  color: var(--color-accent-light);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: all var(--transition);
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.6s;
}

.hero-cta:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  box-shadow: 0 0 30px var(--color-accent-glow);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.hero-scroll span {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
  50% { opacity: 1; transform: scaleY(1); }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Container ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ===== Section Titles ===== */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 400;
  margin-bottom: 1.25rem;
}

.section-title--center {
  text-align: center;
}

/* ===== Biografía ===== */
.bio {
  padding: 4rem 0 4rem;
  background: var(--color-bg-soft);
  align-items: flex-start;
  justify-content: center;
  height: auto;
  min-height: 100vh;
}

.bio-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
  align-items: start;
}

.bio .container {
  width: 100%;
}

.bio-image-placeholder {
  aspect-ratio: 4/5;
  max-height: 55vh;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-accent) 20%, var(--color-bg-soft) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(61, 139, 110, 0.2);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
}

.bio-content .bio-text {
  margin-bottom: 1.5rem;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.bio-content .bio-text:last-child {
  margin-bottom: 0;
}

.bio-text-visible .bio-text:last-child {
  margin-bottom: 0;
}

.bio-text-expanded {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  visibility: hidden;
  margin: 0;
  padding: 0;
  transition: max-height 0.4s ease, opacity 0.25s ease, visibility 0.25s;
}

.bio-text-expanded.bio-text-expanded--open {
  max-height: 80em;
  opacity: 1;
  visibility: visible;
  margin-top: 0.75rem;
  padding: 0;
}

.bio-read-more {
  margin-top: 0.75rem;
  padding: 0.35rem 0;
  background: none;
  border: none;
  color: var(--color-accent);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 0.2em;
  transition: color var(--transition);
}

.bio-read-more:hover {
  color: var(--color-accent-light, var(--color-accent));
}

/* ===== Portfolio ===== */

.portfolio {
  padding: 2rem 0;
}

.portfolio-intro {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 500px;
  margin: -0.5rem auto 1.5rem;
  font-size: 0.95rem;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.portfolio-item {
  cursor: pointer;
}

.portfolio-image {
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--color-bg-soft) 0%, var(--accent, var(--color-accent)) 50%, var(--color-bg) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
  overflow: hidden;
  border: 1px solid rgba(61, 139, 110, 0.15);
  transition: transform var(--transition), box-shadow var(--transition);
}

.portfolio-image span {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  opacity: 0.7;
}

.portfolio-item:hover .portfolio-image {
  transform: scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.portfolio-item h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-text);
}

/* ===== Contacto ===== */
.contact {
  padding: 2rem 0;
  background: var(--color-bg-soft);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 900px;
  margin: 0 auto;
}

.contact-info p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-details a {
  color: var(--color-accent-light);
  transition: color var(--transition);
}

.contact-details a:hover {
  color: var(--color-text);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
  padding: 1rem;
  background: var(--color-bg);
  border: 1px solid rgba(61, 139, 110, 0.2);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group--captcha {
  margin-top: 0.5rem;
}

.recaptcha-container {
  min-height: 78px;
}

.captcha-error {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-logo-pink, #e8b4bc);
}

.btn-submit {
  align-self: flex-start;
  padding: 1rem 2.5rem;
  background: var(--color-accent);
  border: none;
  color: var(--color-bg);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-submit:hover {
  background: var(--color-accent-light);
  box-shadow: 0 0 25px var(--color-accent-glow);
}

/* ===== Footer ===== */
.footer {
  padding: 2rem;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  scroll-snap-align: start;
}

.footer-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
  background: transparent;
}

.footer-logo-img {
  width: 90px;
  height: 90px;
  object-fit: contain;
  background: transparent !important;
  background-color: transparent !important;
  border: none;
  box-shadow: none;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text-muted);
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.footer-social-link:hover {
  color: var(--color-accent-light);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--color-accent-glow);
}

.footer-social-link:focus-visible {
  outline: 2px solid var(--color-accent-light);
  outline-offset: 2px;
}

/* Hover con colores del logo por red */
.footer-social-link:nth-child(1):hover { color: var(--color-logo-pink); border-color: var(--color-logo-pink); box-shadow: 0 4px 16px rgba(232, 180, 188, 0.35); }
.footer-social-link:nth-child(2):hover { color: var(--color-logo-peach); border-color: var(--color-logo-warm); box-shadow: 0 4px 16px rgba(212, 165, 116, 0.35); }
.footer-social-link:nth-child(3):hover { color: var(--color-accent-light); border-color: var(--color-accent); box-shadow: 0 4px 16px var(--color-accent-glow); }

.footer-social-icon {
  width: 22px;
  height: 22px;
}

.footer p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .nav-logo-img {
    width: 100px;
    height: 100px;
  }

  .nav.scrolled .nav-logo-img {
    width: 46px;
    height: 46px;
  }

  .footer-logo-img {
    width: 66px;
    height: 66px;
  }

  .bio-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .bio-image {
    max-width: 400px;
    margin: 0 auto;
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 2rem;
    background: var(--color-bg);
    gap: 1.5rem;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-lang-dropdown {
    left: 0;
    right: auto;
  }

  .nav-toggle {
    display: flex;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 5rem 1.5rem 3rem;
  }
}