/* ==============================================
   StreetVision — Stylesheet
   Paleta: fondo negro · texto blanco · acento amarillo eléctrico
   ============================================== */

/* ---- Variables ---- */
:root {
  --black:       #080808;
  --dark:        #111111;
  --dark-card:   #1A1A1A;
  --dark-border: #2A2A2A;
  --white:       #FFFFFF;
  --gray:        #AAAAAA;
  --gray-light:  #CCCCCC;

  /* Acento principal: rojo impacto */
  --accent:      #FF2D2D;
  --accent-dark: #CC1A1A;
  --accent-glow: rgba(255, 45, 45, 0.25);

  /* Acento secundario: blanco roto */
  --secondary:   #FF6B6B;

  /* Tipografía */
  --font-display: 'Impact', 'Arial Black', 'Franklin Gothic Heavy', sans-serif;
  --font-body:    'Arial', 'Helvetica Neue', sans-serif;

  /* Espaciado */
  --section-py:  6rem;
  --container:   1200px;
  --radius:      12px;
  --radius-sm:   8px;

  /* Transición base */
  --transition:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ---- Utilidades ---- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.accent {
  color: var(--accent);
}

.link-accent {
  color: var(--accent);
  text-decoration: underline;
}

.link-accent:hover {
  color: var(--accent-dark);
}

/* ---- Botones ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
}

.btn-primary {
  background-color: var(--accent);
  color: var(--black);
  border-color: var(--accent);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-outline {
  background-color: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-full {
  width: 100%;
}

/* ---- Sección headers ---- */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-block;
  background-color: var(--accent-glow);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  border: 1px solid rgba(255,230,0,0.3);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.1;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-desc {
  color: var(--gray);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ==========================================
   NAVBAR
   ========================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: background-color var(--transition), padding var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background-color: rgba(8, 8, 8, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.75rem 0;
  box-shadow: 0 1px 0 var(--dark-border);
}

.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo-img {
  height: 52px;
  width: auto;
  mix-blend-mode: screen;
  filter: brightness(1.1);
}

.footer-logo-img {
  height: 80px;
  width: auto;
  mix-blend-mode: screen;
  filter: brightness(1.1);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-light);
  position: relative;
  padding-bottom: 2px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width var(--transition);
}

.nav-link:hover {
  color: var(--white);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  background-color: var(--accent);
  color: var(--black);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 1.2rem;
  border-radius: 4px;
  transition: all var(--transition);
}

.nav-cta:hover {
  background-color: transparent;
  color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background-color: var(--white);
  transition: all var(--transition);
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================
   HERO
   ========================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 8rem 1.5rem 4rem;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.4;
}

/* Gradiente sobre el canvas */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 60%, rgba(255,45,45,0.08) 0%, transparent 70%),
              linear-gradient(180deg, transparent 40%, var(--black) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 780px;
}

.hero-logo {
  width: min(480px, 85vw);
  height: auto;
  mix-blend-mode: screen;
  filter: brightness(1.1) drop-shadow(0 0 40px rgba(255,45,45,0.3));
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--gray-light);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fadeInUp 1s ease 1s both;
}

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

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.2); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translate(-50%, 20px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

/* ==========================================
   VALUE STRIP
   ========================================== */
.value-strip {
  background-color: var(--accent);
  padding: 1rem 1.5rem;
  overflow: hidden;
}

.strip-container {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.strip-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--black);
  white-space: nowrap;
}

.strip-icon {
  font-size: 1.1rem;
}

.strip-divider {
  width: 1px;
  height: 20px;
  background-color: rgba(0,0,0,0.25);
}

/* ==========================================
   SERVICIOS
   ========================================== */
.servicios {
  padding: var(--section-py) 0;
  background-color: var(--black);
}

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.servicio-card {
  background-color: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(30px);
}

.servicio-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.servicio-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(255,230,0,0.08);
  transform: translateY(-4px);
}

.card-icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  display: block;
}

.servicio-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--white);
}

.servicio-card p {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.65;
}

/* ==========================================
   GALERÍA
   ========================================== */
.galeria {
  padding: var(--section-py) 0;
  background-color: var(--dark);
}

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

.galeria-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s ease, box-shadow var(--transition);
}

.galeria-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.galeria-item.featured {
  grid-column: span 1;
  grid-row: span 2;
}

.galeria-item:hover {
  box-shadow: 0 0 30px rgba(255,230,0,0.15);
}

.galeria-placeholder {
  background: linear-gradient(135deg, #1A1A1A 0%, #222222 100%);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  height: 100%;
  transition: border-color var(--transition);
}

.galeria-item.featured .galeria-placeholder {
  min-height: 380px;
}

.galeria-item:hover .galeria-placeholder {
  border-color: var(--accent);
}

.placeholder-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 2rem;
}

.placeholder-icon {
  font-size: 2.8rem;
}

.placeholder-text {
  font-size: 0.82rem;
  color: var(--gray);
  text-align: center;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.galeria-item.featured .placeholder-icon {
  font-size: 4rem;
}

.galeria-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  padding: 1.5rem 1rem 1rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.galeria-overlay span {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.galeria-item:hover .galeria-overlay {
  opacity: 1;
}

.galeria-note {
  text-align: center;
  color: var(--gray);
  font-size: 0.88rem;
  margin-top: 2rem;
}

/* ==========================================
   STATS
   ========================================== */
.stats {
  padding: 5rem 0;
  background-color: var(--black);
  border-top: 1px solid var(--dark-border);
  border-bottom: 1px solid var(--dark-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stat-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 4.5rem);
  line-height: 1;
  color: var(--accent);
}

.stat-unit {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent);
  opacity: 0.7;
}

.stat-label {
  display: block;
  font-size: 0.82rem;
  color: var(--gray);
  letter-spacing: 0.04em;
  margin-top: 0.5rem;
}

/* ==========================================
   CONTACTO
   ========================================== */
.contacto {
  padding: var(--section-py) 0;
  background-color: var(--dark);
}

.contacto-wrapper {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 3rem;
  align-items: start;
}

/* Formulario */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-light);
}

.form-group input,
.form-group select,
.form-group textarea {
  background-color: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--white);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #555;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: var(--secondary);
}

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

/* Select arrow personalizado */
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23AAA' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-group select option {
  background-color: var(--dark-card);
}

.form-notice {
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
}

.form-notice.success {
  background-color: rgba(0, 200, 100, 0.12);
  border: 1px solid rgba(0, 200, 100, 0.3);
  color: #00C864;
}

.form-notice.error {
  background-color: rgba(255, 45, 120, 0.12);
  border: 1px solid rgba(255, 45, 120, 0.3);
  color: var(--secondary);
}

/* Info lateral */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background-color: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-sm);
  padding: 1.2rem;
  transition: border-color var(--transition);
}

.info-card:hover {
  border-color: rgba(255,230,0,0.3);
}

.info-card.highlight-card {
  border-color: rgba(255,230,0,0.2);
  background: linear-gradient(135deg, #1A1A1A, #1E1C00);
}

.info-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.info-card div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.info-card strong {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
}

.info-card a,
.info-card span {
  font-size: 0.92rem;
  color: var(--white);
  line-height: 1.5;
}

.info-card a:hover {
  color: var(--accent);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background-color: var(--black);
  border-top: 1px solid var(--dark-border);
  padding: 3.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--gray);
  font-size: 0.88rem;
  line-height: 1.65;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links strong {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 0.3rem;
}

.footer-links a,
.footer-links span {
  font-size: 0.88rem;
  color: var(--gray-light);
}

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

.footer-bottom {
  border-top: 1px solid var(--dark-border);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--gray);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-slogan {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.08em;
}

/* ==========================================
   ANIMACIONES DE ENTRADA (scroll)
   ========================================== */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* Delays escalonados en grids */
.servicios-grid .servicio-card:nth-child(2) { transition-delay: 0.1s; }
.servicios-grid .servicio-card:nth-child(3) { transition-delay: 0.2s; }
.servicios-grid .servicio-card:nth-child(4) { transition-delay: 0.1s; }
.servicios-grid .servicio-card:nth-child(5) { transition-delay: 0.2s; }
.servicios-grid .servicio-card:nth-child(6) { transition-delay: 0.3s; }

.galeria-grid .galeria-item:nth-child(2) { transition-delay: 0.1s; }
.galeria-grid .galeria-item:nth-child(3) { transition-delay: 0.2s; }
.galeria-grid .galeria-item:nth-child(4) { transition-delay: 0.15s; }
.galeria-grid .galeria-item:nth-child(5) { transition-delay: 0.25s; }
.galeria-grid .galeria-item:nth-child(6) { transition-delay: 0.35s; }

.stats-grid .stat-item:nth-child(2) { transition-delay: 0.1s; }
.stats-grid .stat-item:nth-child(3) { transition-delay: 0.2s; }
.stats-grid .stat-item:nth-child(4) { transition-delay: 0.3s; }

/* ==========================================
   RESPONSIVE — Tablet (≤ 900px)
   ========================================== */
@media (max-width: 900px) {
  :root { --section-py: 4rem; }

  /* Navbar */
  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    background-color: var(--dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 0.5rem;
    transition: right var(--transition);
    box-shadow: -4px 0 30px rgba(0,0,0,0.5);
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-link {
    font-size: 1rem;
    padding: 0.6rem 0;
    width: 100%;
  }

  .nav-cta {
    margin-top: 1rem;
    width: 100%;
    text-align: center;
    padding: 0.75rem 1.5rem;
  }

  /* Grid 2 columnas */
  .servicios-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .galeria-item.featured {
    grid-column: span 2;
    grid-row: span 1;
  }

  .galeria-item.featured .galeria-placeholder {
    min-height: 220px;
  }

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

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

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

  .footer-brand {
    grid-column: span 2;
  }

  .strip-divider {
    display: none;
  }
}

/* ==========================================
   RESPONSIVE — Móvil (≤ 580px)
   ========================================== */
@media (max-width: 580px) {
  .hero-title {
    font-size: clamp(2.8rem, 12vw, 4rem);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn { justify-content: center; }

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

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

  .galeria-item.featured {
    grid-column: span 1;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-brand {
    grid-column: span 1;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .strip-container {
    flex-direction: column;
    gap: 0.75rem;
  }
}