/* ============================================
   TREPPCO — Landing Page Styles
   Dark Premium Industrial Theme
   ============================================ */

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

:root {
  --bg-primary: #0A0A0A;
  --bg-secondary: #111111;
  --bg-tertiary: #1A1A1A;
  --bg-card: #141414;
  --bg-card-hover: #1C1C1C;
  --accent: #E41E26;
  --accent-hover: #FF2D36;
  --accent-glow: rgba(228, 30, 38, 0.3);
  --accent-subtle: rgba(228, 30, 38, 0.08);
  --text-primary: #FFFFFF;
  --text-secondary: #A0A0A0;
  --text-muted: #666666;
  --border-color: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(228, 30, 38, 0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul {
  list-style: none;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Animations Base ---- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.logo-treppco {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 4px;
  color: var(--text-primary);
  line-height: 1;
}

.logo-tagline {
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 2px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.cta-link {
  background: var(--accent);
  color: white;
  font-weight: 600;
  margin-left: 8px;
}

.nav-link.cta-link:hover {
  background: var(--accent-hover);
  box-shadow: var(--shadow-glow);
}

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

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

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
}

.hero-gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  pointer-events: none;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  animation: float-orb 15s ease-in-out infinite;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(228, 30, 38, 0.5) 0%, transparent 70%);
  bottom: -100px;
  left: -50px;
  animation: float-orb 20s ease-in-out infinite reverse;
}

@keyframes float-orb {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(30px, -20px) scale(1.05);
  }

  66% {
    transform: translate(-20px, 15px) scale(0.95);
  }
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  max-width: 620px;
}

/* ---- Hero Form ---- */
.hero-form-wrap {
  background: rgba(17, 17, 17, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
}

.hero-form-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.hero-form-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.5;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent-subtle);
  border: 1px solid rgba(228, 30, 38, 0.2);
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 28px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

.hero-title {
  font-size: clamp(1.7rem, 6vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-highlight {
  background: linear-gradient(135deg, var(--accent) 0%, #FF6B6B 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--accent);
  color: white;
  padding: 14px 28px;
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
  padding: 14px 28px;
}

.btn-outline:hover {
  border-color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
  padding: 16px;
}

/* ---- Trust Bar ---- */
.hero-trust-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.trust-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.trust-items {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--border-color);
}

.trust-item svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* ---- Scroll Indicator ---- */
.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scroll-line-anim 2s ease-in-out infinite;
}

@keyframes scroll-line-anim {
  0% {
    opacity: 0;
    transform: scaleY(0);
    transform-origin: top;
  }

  50% {
    opacity: 1;
    transform: scaleY(1);
    transform-origin: top;
  }

  100% {
    opacity: 0;
    transform: scaleY(1);
    transform-origin: bottom;
  }
}

/* ============================================
   SECTIONS COMMON
   ============================================ */
.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--bg-secondary);
}

.section-darker {
  background: var(--bg-primary);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   DIFERENCIADORES
   ============================================ */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.diff-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.diff-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: var(--transition);
}

.diff-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.diff-card:hover::before {
  opacity: 1;
}

.diff-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-subtle);
  border-radius: var(--radius-sm);
  color: var(--accent);
  margin-bottom: 20px;
}

.diff-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.diff-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   SERVICIOS
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  border-color: rgba(228, 30, 38, 0.2);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.service-number {
  font-size: 3.5rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.03);
  position: absolute;
  top: 12px;
  right: 20px;
  line-height: 1;
  pointer-events: none;
  transition: var(--transition);
}

.service-card:hover .service-number {
  color: rgba(228, 30, 38, 0.1);
}

.service-icon {
  color: var(--accent);
  margin-bottom: 20px;
}

.service-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
}

.service-includes {
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.service-includes li {
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding: 5px 0;
  padding-left: 18px;
  position: relative;
}

.service-includes li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* ============================================
   KPIs
   ============================================ */
.section-kpis {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 72px 0;
}

.kpi-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.kpi-item {
  flex: 1;
  text-align: center;
  padding: 20px 32px;
}

.kpi-number {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.kpi-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.kpi-detail {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.kpi-divider {
  width: 1px;
  height: 80px;
  background: var(--border-color);
  flex-shrink: 0;
}

/* ============================================
   CERTIFICACIONES
   ============================================ */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}

.cert-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.cert-badge {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-subtle);
  border-radius: 50%;
  color: var(--accent);
  margin: 0 auto 20px;
}

.cert-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.cert-subtitle {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 12px;
}

.cert-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.cert-status {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(255, 170, 0, 0.1);
  color: #FFAA00;
  border: 1px solid rgba(255, 170, 0, 0.2);
}

.cert-status-active {
  background: rgba(0, 200, 83, 0.1);
  color: #00C853;
  border-color: rgba(0, 200, 83, 0.2);
}

/* ============================================
   PROCESO / TIMELINE
   ============================================ */
.timeline {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--border-color));
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -40px;
  top: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.timeline-step {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  border: 2px solid var(--accent);
  border-radius: 50%;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  transition: var(--transition);
}

.timeline-item:hover .timeline-step {
  background: var(--accent);
  color: white;
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-left: 20px;
  transition: var(--transition);
}

.timeline-item:hover .timeline-content {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card);
}

.timeline-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.timeline-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   SECTORES
   ============================================ */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.sector-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 24px;
  text-align: center;
  transition: var(--transition);
  cursor: default;
}

.sector-card:hover {
  border-color: rgba(228, 30, 38, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.sector-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-subtle);
  border-radius: var(--radius-md);
  color: var(--accent);
  margin: 0 auto 18px;
  transition: var(--transition);
}

.sector-card:hover .sector-icon {
  background: var(--accent);
  color: white;
}

.sector-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.sector-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================
   CONTACTO / CTA
   ============================================ */
.section-cta {
  background: var(--bg-primary);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.section-cta::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(228, 30, 38, 0.08), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.cta-title {
  text-align: left;
}

.cta-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-subtle);
  border-radius: var(--radius-sm);
  color: var(--accent);
  flex-shrink: 0;
}

.contact-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 2px;
}

.contact-value {
  font-size: 0.92rem;
  color: var(--text-primary);
  font-weight: 500;
}

a.contact-value:hover {
  color: var(--accent);
}

/* ---- Form ---- */
.cta-form-wrap {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: inherit;
  font-size: 0.92rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  transition: var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: var(--bg-primary);
  color: var(--text-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.btn-block {
  margin-top: 4px;
}

.btn .btn-loader svg {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.form-disclaimer {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.4;
}

/* ---- Form Success ---- */
.form-success {
  text-align: center;
  padding: 40px 20px;
}

.form-success-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 200, 83, 0.1);
  border-radius: 50%;
  color: #00C853;
  margin: 0 auto 20px;
}

.form-success h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-success p {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 48px 0 32px;
}

.footer-content {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 36px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 10px;
  line-height: 1.5;
}

.footer-links {
  display: flex;
  gap: 28px;
  padding-top: 8px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-content {
    max-width: 100%;
  }

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

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

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

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

  .kpi-grid {
    flex-wrap: wrap;
    gap: 20px;
  }

  .kpi-divider {
    display: none;
  }

  .kpi-item {
    flex: 0 0 calc(50% - 10px);
    padding: 24px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
  }
}

/* Mobile — tablets y phones grandes (≤768px) */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(85vw, 320px);
    height: 100vh;
    background: #0d0d0d;
    border-left: 1px solid var(--border-color);
    flex-direction: column;
    align-items: stretch;
    padding: 0;
    gap: 0;
    z-index: 999;
    transform: translateX(110%);
    transition: transform 0.42s cubic-bezier(0.4, 0, 0.2, 1);
    visibility: hidden;
    overflow-y: auto;
  }

  .nav-menu.active {
    transform: translateX(0);
    visibility: visible;
  }

  /* Menu header: logo + close */
  .nav-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
  }

  .nav-menu-header img {
    height: 32px;
    width: auto;
  }

  .nav-menu-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
  }

  .nav-menu-close:hover {
    background: rgba(255,255,255,0.1);
    color: var(--text-primary);
  }

  /* Nav items area */
  .nav-menu-items {
    padding: 16px 16px 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .nav-menu-items li {
    opacity: 0;
    transform: translateX(18px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  .nav-menu.active .nav-menu-items li:nth-child(1) { opacity: 1; transform: translateX(0); transition-delay: 0.12s; }
  .nav-menu.active .nav-menu-items li:nth-child(2) { opacity: 1; transform: translateX(0); transition-delay: 0.18s; }
  .nav-menu.active .nav-menu-items li:nth-child(3) { opacity: 1; transform: translateX(0); transition-delay: 0.24s; }

  /* CTA bottom */
  .nav-menu-cta {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s ease 0.3s, transform 0.3s ease 0.3s;
    flex-shrink: 0;
  }

  .nav-menu.active .nav-menu-cta {
    opacity: 1;
    transform: translateY(0);
  }

  .nav-link {
    display: flex;
    align-items: center;
    padding: 13px 14px;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    gap: 10px;
  }

  .nav-link:hover {
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
  }

  .nav-link.cta-link {
    display: flex;
    justify-content: center;
    margin: 0;
    width: 100%;
    padding: 14px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    padding: 90px 0 56px;
  }

  /* Orbs: scale down so no horizontal overflow */
  .hero-orb-1 {
    width: 320px;
    height: 320px;
    top: -80px;
    right: -60px;
  }

  .hero-orb-2 {
    width: 240px;
    height: 240px;
  }

  .hero-form-wrap {
    padding: 28px 20px;
  }

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

  .hero-actions {
    flex-direction: column;
  }

  .hero-trust-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .trust-items {
    flex-wrap: wrap;
    gap: 8px;
  }

  /* Keep 2 cols on tablet/large phone — collapse at 480px */
  .diff-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .kpi-item {
    flex: 0 0 calc(50% - 10px);
  }

  .cta-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .cta-form-wrap {
    padding: 28px 20px;
  }

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

  .footer-content {
    flex-direction: column;
    gap: 24px;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 16px;
  }

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

  .section {
    padding: 64px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .timeline {
    padding-left: 32px;
  }

  .timeline::before {
    left: 14px;
  }

  .timeline-marker {
    left: -32px;
  }

  .timeline-step {
    width: 28px;
    height: 28px;
    font-size: 0.72rem;
  }

  .timeline-content {
    margin-left: 12px;
    padding: 18px 20px;
  }
}

/* Small phones (≤480px) — colapsa todo a 1 col */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 80px 0 48px;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 6px 14px;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .hero-form-wrap {
    padding: 22px 16px;
    border-radius: var(--radius-md);
  }

  .diff-grid,
  .services-grid,
  .certs-grid,
  .sectors-grid {
    grid-template-columns: 1fr;
  }

  .kpi-item {
    flex: 0 0 100%;
  }

  .section {
    padding: 48px 0;
  }

  .section-header {
    margin-bottom: 28px;
  }

  .section-title {
    font-size: clamp(1.4rem, 6vw, 1.9rem);
  }

  .diff-card,
  .service-card,
  .cert-card,
  .sector-card {
    padding: 24px 20px;
  }

  .cta-form-wrap {
    padding: 20px 14px;
    border-radius: var(--radius-md);
  }

  .footer {
    padding: 36px 0 24px;
  }
}

/* Mobile overlay backdrop */
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.nav-backdrop.active {
  opacity: 1;
  visibility: visible;
}