:root {
  /* Apple/Minimalist base colors */
  --bg-color: #ffffff;
  --bg-secondary: #f5f5f7;
  --text-main: #1d1d1f;
  --text-muted: #86868b;
  --border-color: #d2d2d7;

  /* iFixit/Brand accents */
  --accent-green: #00d200;
  --accent-orange: #ff6b00;

  --radius: 12px;
  --transition: 0.2s ease-out;
  --header-height: 60px;
}

html {
  scroll-behavior: smooth;
  scroll-snap-type: y proximity;
  /* Efecto magnético al hacer scroll */
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  font-size: 17px;
  letter-spacing: -0.022em;
}

/* Typography */
h1,
h2,
h3,
h4 {
  color: var(--text-main);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.015em;
}

h1 {
  font-size: 3.5rem;
  margin-bottom: 1.2rem;
  font-weight: 700;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  /* Rebajado de 1.2rem para un aspecto de revista digital */
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

/* Layout */
.container {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
  scroll-margin-top: calc(var(--header-height) + 2rem);
  scroll-snap-align: start;
  /* El encabezado actuará de imán arriba */
  scroll-snap-stop: always;
}

/* Header & Nav */
header {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.04em;
  text-transform: lowercase;
}

.logo .dot {
  color: var(--accent-green);
  font-weight: 900;
}

.logo-svg {
  width: 32px;
  height: 32px;
  color: var(--text-main);
  transition: transform 0.3s ease;
}

.logo:hover .logo-svg {
  transform: scale(1.1) rotate(-2deg);
}

.logo i {
  color: var(--text-main);
  font-size: 1.2rem;
}

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

.nav-links a {
  color: var(--text-main);
  font-weight: 400;
  font-size: 0.85rem;
  opacity: 0.8;
  letter-spacing: 0.01em;
}

.nav-links a:hover,
.nav-links a.active {
  opacity: 1;
}

.header-socials {
  display: flex;
  gap: 1rem;
  margin-left: 2rem;
  padding-left: 2rem;
  border-left: 1px solid var(--border-color);
}

.social-icon {
  font-size: 1.1rem;
  color: var(--text-main);
  opacity: 0.6;
  transition: var(--transition);
}

.social-icon:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.social-icon.instagram:hover {
  color: #E4405F;
}

.social-icon.facebook:hover {
  color: #1877F2;
}

.social-icon.youtube:hover {
  color: #FF0000;
}

.social-icon.whatsapp:hover {
  color: #25D366;
}

.social-icon.email:hover {
  color: var(--accent-orange);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--text-main);
  cursor: pointer;
}

/* Hero Section Interactive */
.video-scroll-container {
  height: 400vh;
  /* Espacio de scroll extendido para animar el video suavemente */
  position: relative;
}

.sticky-video-wrapper {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  background-color: #000;
}

#hero-scroll-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.6;
  /* Oscurecemos para que el texto resalte */
}

.hero {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 3;
  padding: 0 2rem;
  background: transparent;
}

.hero h1,
.hero p {
  color: white;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  /* Sombra para legibilidad en el video */
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  transition: opacity 0.3s ease;
  /* Fade cinematográfico suave gestionado por JS */
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 12px 24px;
  border-radius: 980px;
  font-weight: 400;
  font-size: 17px;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--text-main);
  color: white;
}

.btn-primary:hover {
  background: #000;
  transform: scale(1.02);
}

.btn-whatsapp {
  background: var(--accent-green);
  color: white;
  font-weight: 600;
}

.btn-whatsapp:hover {
  background: #00b300;
  transform: scale(1.02);
}

/* Cards (Services / Reasons) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.card {
  background: var(--bg-secondary);
  padding: 3rem 2rem;
  border-radius: var(--radius);
  transition: var(--transition);
  text-align: center;
}

.card:hover {
  transform: translateY(-4px);
  background: #ececec;
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.card p {
  font-size: 1rem;
  margin-bottom: 0;
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  color: var(--text-main);
}

/* Timeline Components */
.timeline-step {
  position: relative;
  padding-left: 2rem;
  padding-bottom: 3rem;
  border-left: 2px solid var(--border-color);
}

.timeline-step:last-child {
  border-left: 2px solid transparent;
  padding-bottom: 0;
}

.timeline-badge {
  position: absolute;
  left: -19px;
  top: 0;
  width: 36px;
  height: 36px;
  background: var(--text-main);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1rem;
  border: 4px solid var(--bg-color);
}

.timeline-badge.success {
  background: var(--accent-green);
}

.timeline-content h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 4px;
  margin-bottom: 0.5rem;
}

.timeline-content p {
  margin-bottom: 0;
  margin-left: 0;
}

/* Reviews List */
.reviews-section {
  background: var(--bg-secondary);
  padding: 6rem 0;
  text-align: center;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.review-card {
  background: var(--bg-color);
  padding: 2.5rem;
  border-radius: var(--radius);
  text-align: left;
}

.review-card p {
  color: var(--text-main);
  font-size: 1rem;
  /* Menor jerarquía que el body principal */
  font-style: italic;
  margin-bottom: 1.5rem;
  margin-left: 0;
  line-height: 1.6;
}

.stars {
  color: var(--text-main);
  margin-bottom: 1rem;
  font-size: 1rem;
  letter-spacing: 2px;
}

.review-author {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Footer */
footer {
  background: var(--bg-secondary);
  color: var(--text-muted);
  padding: 4rem 0 2rem;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

footer h3 {
  color: var(--text-main);
  text-transform: lowercase;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
}

footer p {
  font-size: 0.9rem;
}

footer a {
  color: var(--text-main);
  font-weight: 500;
}

footer a:hover {
  text-decoration: underline;
}

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.footer-social-link {
  font-size: 1.25rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-social-link:hover {
  color: var(--text-main);
  transform: scale(1.1);
}

/* Floating WhatsApp Button */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background-color: var(--accent-green);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 4px 14px rgba(0, 210, 0, 0.3);
  z-index: 1000;
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.floating-whatsapp:hover {
  transform: scale(1.08) translateY(-2px);
  background-color: #00b300;
  box-shadow: 0 6px 20px rgba(0, 210, 0, 0.4);
  color: white;
}

/* Responsive */
@media (max-width: 768px) {
  .floating-whatsapp {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 55px;
    height: 55px;
    font-size: 1.8rem;
  }

  h1 {
    font-size: 2.2rem;
    /* Tamaño óptimo para evitar viudas en el título de celulares */
  }

  h2 {
    font-size: 2rem;
  }

  .hero {
    padding-top: calc(6rem + var(--header-height));
    padding-bottom: 4rem;
  }

  .nav-links {
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: clip-path 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  }

  .nav-links.active {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }

  .mobile-menu-btn {
    display: block;
    padding: 0.5rem;
    margin-right: -0.5rem;
  }

  .header-socials {
    display: none;
  }
}