/* ============================================
   CSS Variables — Dark-first
   ============================================ */
:root {
  --bg-primary: #0b0b0d;
  --bg-secondary: #121214;
  --bg-tertiary: #1a1a1e;
  --bg-elevated: #18181b;
  --text-primary: #e8eef4;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #ff3b00;
  --accent-hover: #ff4500;
  --accent-glow: rgba(255, 59, 0, 0.35);
  --link: #3b82f6;
  --link-hover: #60a5fa;
  --success: #10b981;
  --whatsapp: #25d366;
  --whatsapp-dark: #128c7e;
  --whatsapp-glow: rgba(37, 211, 102, 0.3);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.55);
  --header-bg: rgba(11, 11, 13, 0.92);
  --radius: 2px;
  --radius-sm: 2px;
  --radius-md: 4px;
  --transition-fast: 0.2s ease;
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-heading: 'Orbitron', sans-serif;
  --font-button: 'Space Grotesk', sans-serif;
}

[data-theme="light"] {
  --bg-primary: #f4f5f7;
  --bg-secondary: #ffffff;
  --bg-tertiary: #eef0f3;
  --bg-elevated: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent-glow: rgba(255, 59, 0, 0.2);
  --border: rgba(15, 23, 42, 0.1);
  --border-strong: rgba(15, 23, 42, 0.16);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 20px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
  --header-bg: rgba(255, 255, 255, 0.94);
}

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.02em;
}

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

button {
  font-family: var(--font-button);
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
  }
}

/* ============================================
   Utilities
   ============================================ */
.card-surface {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

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

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

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

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.check {
  width: 20px;
  height: 20px;
  background: rgba(255, 59, 0, 0.12);
  color: var(--accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-button);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  transition: background var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast), filter var(--transition-fast),
    box-shadow var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  filter: brightness(1.08);
  box-shadow: 0 0 24px var(--accent-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255, 59, 0, 0.06);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
  border: 1px solid var(--whatsapp);
}

.btn-whatsapp:hover {
  background: var(--whatsapp-dark);
  border-color: var(--whatsapp-dark);
  filter: brightness(1.05);
  box-shadow: 0 0 20px var(--whatsapp-glow);
}

.whatsapp-icon {
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
}

/* ============================================
   Header
   ============================================ */
.header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1000;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  flex-shrink: 0;
  color: var(--text-primary);
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.125rem;
}

.nav-link {
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0.25rem;
  inset-inline: 0.875rem;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-link.active {
  color: var(--accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  transition: border-color var(--transition-fast), color var(--transition-fast);
  position: relative;
  overflow: hidden;
}

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

.theme-icon {
  position: absolute;
  font-size: 0.9rem;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.theme-icon.sun { opacity: 0; transform: rotate(-90deg); }
.theme-icon.moon { opacity: 1; transform: rotate(0); }

[data-theme="light"] .theme-icon.sun { opacity: 1; transform: rotate(0); }
[data-theme="light"] .theme-icon.moon { opacity: 0; transform: rotate(90deg); }

.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

.hamburger { position: relative; }

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  inset-inline-end: 0;
}

.hamburger::before { top: -5px; }
.hamburger::after { top: 5px; }

.nav-toggle.active .hamburger { background: transparent; }
.nav-toggle.active .hamburger::before { top: 0; transform: rotate(45deg); }
.nav-toggle.active .hamburger::after { top: 0; transform: rotate(-45deg); }

/* ============================================
   Language Switcher
   ============================================ */
.lang-switcher {
  position: relative;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  height: 36px;
  padding: 0 0.625rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-button);
  font-size: 0.8125rem;
  font-weight: 600;
  transition: border-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.lang-toggle:hover,
.lang-switcher.open .lang-toggle {
  border-color: var(--accent);
  color: var(--accent);
}

.lang-globe,
.lang-chevron {
  width: 0.875rem;
  height: 0.875rem;
  flex-shrink: 0;
  opacity: 0.75;
}

.lang-chevron {
  transition: transform var(--transition-fast);
}

.lang-switcher.open .lang-chevron {
  transform: rotate(180deg);
}

.lang-menu {
  position: absolute;
  top: calc(100% + 0.375rem);
  inset-inline-end: 0;
  min-width: 160px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.25rem;
  z-index: 1100;
}

.lang-menu[hidden] {
  display: none;
}

.lang-menu [role="option"] {
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.lang-menu [role="option"]:hover,
.lang-menu [role="option"].active {
  background: var(--bg-tertiary);
  color: var(--accent);
  font-weight: 600;
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 5.5rem 0 3rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-gradient {
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  opacity: 0.45;
}

.hero-grid-overlay {
  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: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

[data-theme="light"] .hero-grid-overlay {
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (min-width: 1024px) {
  .hero {
    padding: 6.5rem 0 4rem;
  }

  .hero-content {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }
}

.hero-text {
  max-width: 580px;
}

.badge {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  background: rgba(255, 59, 0, 0.1);
  border: 1px solid rgba(255, 59, 0, 0.25);
  border-radius: var(--radius);
  font-family: var(--font-button);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: clamp(1.875rem, 5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
  line-height: 1.75;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.hero-stat strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

.hero-stat span {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Hero Carousel */
.hero-carousel {
  position: relative;
  width: 100%;
}

.carousel-viewport {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3;
}

@media (min-width: 1024px) {
  .carousel-viewport {
    aspect-ratio: 16 / 12;
  }
}

.carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: scale(0.96);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
  pointer-events: none;
}

.carousel-slide.active {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
  z-index: 1;
}

.slide-visual {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}

.slide-visual--store {
  background: linear-gradient(145deg, #1a1a1e 0%, #0b0b0d 50%, rgba(255, 59, 0, 0.15) 100%);
}

.slide-visual--api {
  background: linear-gradient(145deg, #0b0b0d 0%, #121214 50%, rgba(59, 130, 246, 0.15) 100%);
}

.slide-visual--analytics {
  background: linear-gradient(145deg, #121214 0%, #0b0b0d 50%, rgba(255, 59, 0, 0.2) 100%);
}

[data-theme="light"] .slide-visual--store {
  background: linear-gradient(145deg, #eef0f3 0%, #fff 50%, rgba(255, 59, 0, 0.08) 100%);
}

[data-theme="light"] .slide-visual--api {
  background: linear-gradient(145deg, #fff 0%, #eef0f3 50%, rgba(59, 130, 246, 0.08) 100%);
}

[data-theme="light"] .slide-visual--analytics {
  background: linear-gradient(145deg, #eef0f3 0%, #fff 50%, rgba(255, 59, 0, 0.1) 100%);
}

.slide-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg-secondary) 0%, transparent 40%);
}

.slide-body {
  padding: 1.25rem 1.5rem 1.5rem;
  border-top: 1px solid var(--border);
}

.slide-body h2 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.slide-list li {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.35rem 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.carousel-dot {
  width: 28px;
  height: 3px;
  border-radius: 1px;
  background: var(--border-strong);
  transition: background var(--transition-fast), box-shadow var(--transition-fast),
    width var(--transition-fast);
}

.carousel-dot.active {
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  width: 36px;
}

.carousel-dot:hover:not(.active) {
  background: var(--text-muted);
}

/* Category Chips */
.chips-section {
  padding: 0 0 1rem;
  margin-top: -0.5rem;
}

.chips-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  mask-image: linear-gradient(90deg, transparent, black 6%, black 94%, transparent);
}

.chips-scroll::-webkit-scrollbar {
  display: none;
}

.chips-track {
  display: flex;
  gap: 0.5rem;
  padding: 0.5rem 0;
  width: max-content;
  min-width: 100%;
}

@media (min-width: 768px) {
  .chips-track {
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
  }
}

.chip {
  flex-shrink: 0;
  padding: 0.5rem 1rem;
  font-family: var(--font-button);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: color var(--transition-fast), border-color var(--transition-fast),
    background var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}

.chip:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.chip.active {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(255, 59, 0, 0.08);
  box-shadow: 0 0 16px var(--accent-glow);
}

/* ============================================
   Sections
   ============================================ */
.section {
  padding: 3rem 0;
}

@media (min-width: 768px) {
  .section {
    padding: 4rem 0;
  }
}

@media (min-width: 1024px) {
  .section {
    padding: 5rem 0;
  }
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.section-badge {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  background: rgba(255, 59, 0, 0.08);
  border: 1px solid rgba(255, 59, 0, 0.2);
  border-radius: var(--radius);
  font-family: var(--font-button);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.875rem;
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
  margin-bottom: 0.625rem;
  line-height: 1.3;
}

.section-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.section-desc a {
  color: var(--link);
  transition: color var(--transition-fast);
}

.section-desc a:hover {
  color: var(--link-hover);
}

/* ============================================
   Features — Product Cards
   ============================================ */
.features {
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}

@media (min-width: 1280px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition),
    transform var(--transition);
}

.feature-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-card-image {
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.25rem;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.feature-card-image--1 { background: linear-gradient(135deg, #121214, rgba(255, 59, 0, 0.12)); }
.feature-card-image--2 { background: linear-gradient(135deg, #121214, rgba(59, 130, 246, 0.12)); }
.feature-card-image--3 { background: linear-gradient(135deg, #121214, rgba(255, 59, 0, 0.18)); }
.feature-card-image--4 { background: linear-gradient(135deg, #0b0b0d, rgba(255, 69, 0, 0.15)); }
.feature-card-image--5 { background: linear-gradient(135deg, #121214, rgba(59, 130, 246, 0.15)); }
.feature-card-image--6 { background: linear-gradient(135deg, #0b0b0d, rgba(255, 59, 0, 0.1)); }

[data-theme="light"] .feature-card-image--1 { background: linear-gradient(135deg, #eef0f3, rgba(255, 59, 0, 0.08)); }
[data-theme="light"] .feature-card-image--2 { background: linear-gradient(135deg, #eef0f3, rgba(59, 130, 246, 0.08)); }
[data-theme="light"] .feature-card-image--3 { background: linear-gradient(135deg, #fff, rgba(255, 59, 0, 0.1)); }
[data-theme="light"] .feature-card-image--4 { background: linear-gradient(135deg, #eef0f3, rgba(255, 69, 0, 0.08)); }
[data-theme="light"] .feature-card-image--5 { background: linear-gradient(135deg, #fff, rgba(59, 130, 246, 0.1)); }
[data-theme="light"] .feature-card-image--6 { background: linear-gradient(135deg, #eef0f3, rgba(255, 59, 0, 0.06)); }

.feature-card-body {
  padding: 1.125rem 1.25rem 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.feature-card h3 {
  font-size: 0.9375rem;
  font-weight: 700;
}

.feature-card p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.feature-card-link {
  margin-top: auto;
  padding-top: 0.625rem;
  font-family: var(--font-button);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--link);
  transition: color var(--transition-fast);
}

.feature-card-link:hover {
  color: var(--link-hover);
}

/* ============================================
   How It Works
   ============================================ */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

.step {
  text-align: center;
}

.step-number {
  width: 40px;
  height: 40px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  margin: 0 auto 0.875rem;
  box-shadow: 0 0 20px var(--accent-glow);
}

.step-content {
  padding: 1.5rem 1.25rem;
  border-radius: var(--radius-md);
  height: 100%;
  text-align: start;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.step-content:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.step-icon {
  font-size: 1.5rem;
  margin-bottom: 0.625rem;
}

.step-content h3 {
  font-size: 0.9375rem;
  margin-bottom: 0.375rem;
}

.step-content p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ============================================
   Contact
   ============================================ */
.contact {
  padding-bottom: 4rem;
}

@media (min-width: 1024px) {
  .contact {
    padding-bottom: 5rem;
  }
}

.contact-box {
  position: relative;
  text-align: center;
  padding: 3rem 1.5rem;
  border-radius: var(--radius-md);
  overflow: hidden;
}

@media (min-width: 768px) {
  .contact-box {
    padding: 3.5rem 2rem;
  }
}

.contact-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.5;
}

.contact-title {
  font-size: clamp(1.375rem, 4vw, 2rem);
  font-weight: 800;
  margin-bottom: 0.625rem;
  position: relative;
}

.contact-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 1.5rem;
  line-height: 1.75;
  position: relative;
}

.contact-note {
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  position: relative;
}

/* ============================================
   WhatsApp Float
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 1.25rem;
  inset-inline-start: 1.25rem;
  z-index: 999;
  width: 52px;
  height: 52px;
  background: var(--whatsapp);
  color: #fff;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: background var(--transition-fast), transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.whatsapp-float svg {
  width: 26px;
  height: 26px;
}

.whatsapp-float:hover {
  background: var(--whatsapp-dark);
  transform: scale(1.05);
  box-shadow: 0 0 24px var(--whatsapp-glow);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.8125rem;
  margin-top: 0.5rem;
  max-width: 360px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 1.25rem;
}

.footer-links a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-copy .brand-accent {
  color: var(--accent);
  font-weight: 600;
}

/* ============================================
   Responsive — Hero center on mobile
   ============================================ */
@media (max-width: 1023px) {
  .hero-text {
    max-width: 100%;
    text-align: center;
    margin: 0 auto;
  }

  .hero-subtitle {
    margin-inline: auto;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }
}

@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }

  .lang-current {
    display: none;
  }

  .lang-toggle {
    padding: 0 0.5rem;
  }

  .nav-menu {
    position: fixed;
    top: 60px;
    inset-inline: 0;
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 1rem;
    gap: 0.125rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

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

  .nav-link {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    text-align: center;
  }

  .nav-link::after {
    display: none;
  }

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

  .hero-cta .btn {
    width: 100%;
  }

  .hero-stats {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .whatsapp-float {
    bottom: 1rem;
    inset-inline-start: 1rem;
    width: 48px;
    height: 48px;
  }
}