/* ═══════════════════════════════════════════
   SPARK ADS — Design System v2
   Dark Premium + Electric Blue Accent
   ═══════════════════════════════════════════ */

:root {
  /* Colors — Dark Navy + Electric Blue */
  --bg-primary: #0A1628;
  --bg-secondary: #0D1B30;
  --bg-card: #111F38;
  --bg-card-hover: #162847;

  --text-primary: #F0F4FA;
  --text-secondary: #8A9BBF;
  --text-muted: #506688;

  --accent: #3B8BF5;
  --accent-light: #5DA3FF;
  --accent-dark: #2B6FD4;
  --accent-glow: rgba(59, 139, 245, 0.3);

  --success: #22C55E;
  --danger: #EF4444;
  --warning: #F59E0B;

  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.10);

  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-py: clamp(4rem, 8vw, 7rem);
  --container-px: clamp(1.25rem, 4vw, 2rem);
  --container-max: 1120px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 250ms var(--ease-out);
}

/* ═══════ RESET & BASE ═══════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

/* ═══════ NAVBAR ═══════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
  cursor: pointer;
}

.logo-icon {
  width: 24px;
  height: 24px;
  color: var(--accent);
}

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

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--bg-primary);
  border: 2px solid var(--accent);
  border-radius: 10px;
  flex-shrink: 0;
}

.logo-mark svg {
  width: 22px;
  height: 22px;
}

.logo-text {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}

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

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  cursor: pointer;
}

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

.nav-cta {
  background: var(--accent) !important;
  color: #FFFFFF !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  transition: background var(--transition), transform var(--transition) !important;
}

.nav-cta:hover {
  background: var(--accent-light) !important;
  transform: translateY(-1px);
}

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

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ═══════ BUTTONS ═══════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 0 30px var(--accent-glow), 0 4px 20px rgba(59, 139, 245, 0.2);
  transform: translateY(-2px);
}

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

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

.btn-lg { padding: 0.875rem 1.75rem; font-size: 1rem; }
.btn-full { width: 100%; }

/* ═══════ HERO ═══════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem;
  overflow: hidden;
}

.hero-grid-bg {
  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 60% 50% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black 20%, transparent 70%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}

.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: rgba(59, 139, 245, 0.1);
  top: -200px;
  right: -100px;
}

.hero-glow-2 {
  width: 400px;
  height: 400px;
  background: rgba(59, 139, 245, 0.06);
  bottom: -100px;
  left: -100px;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  background: rgba(59, 139, 245, 0.1);
  border: 1px solid rgba(59, 139, 245, 0.2);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent-light);
  margin-bottom: 2rem;
  animation: fadeInDown 0.8s var(--ease-out) both;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s var(--ease-out) 0.1s both;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
  animation: fadeInUp 0.8s var(--ease-out) 0.2s both;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s var(--ease-out) 0.3s both;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  animation: fadeInUp 0.8s var(--ease-out) 0.4s both;
}

.stat-item { text-align: center; }

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
}

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

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ═══════ TRUST BAR ═══════ */
.trust-bar {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.trust-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.trust-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.trust-items {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.trust-item:hover {
  color: var(--text-primary);
}

.trust-item svg {
  opacity: 0.6;
  transition: opacity var(--transition);
}

.trust-item:hover svg {
  opacity: 1;
}

.trust-divider {
  width: 1px;
  height: 20px;
  background: var(--border-hover);
}

/* ═══════ SECTIONS ═══════ */
.section { padding: var(--section-py) 0; }

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ═══════ PROBLEM CARDS ═══════ */
.problem-section { background: var(--bg-secondary); }

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

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
}

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

.problem-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(239, 68, 68, 0.10);
  border-radius: var(--radius-md);
  color: var(--danger);
  margin-bottom: 1.25rem;
}

.problem-card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.problem-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ═══════ STEPS ═══════ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
  position: relative;
}

.step-card:hover {
  border-color: rgba(59, 139, 245, 0.2);
  transform: translateY(-4px);
}

.step-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(59, 139, 245, 0.15);
  line-height: 1;
  margin-bottom: 1rem;
}

.step-card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.step-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ═══════ SEGMENTS ═══════ */
.segments-section {
  background: var(--bg-secondary);
}

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

.segment-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: all 350ms var(--ease-out);
  cursor: default;
}

.segment-card:hover {
  border-color: rgba(59, 139, 245, 0.25);
  background: var(--bg-card-hover);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(59, 139, 245, 0.08);
}

.segment-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 139, 245, 0.1);
  border-radius: var(--radius-md);
  color: var(--accent-light);
  margin: 0 auto 1.25rem;
  transition: all 350ms var(--ease-out);
}

.segment-card:hover .segment-icon {
  background: rgba(59, 139, 245, 0.2);
  transform: scale(1.08);
}

.segment-card h3 {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.segment-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ═══════ SERVICES ═══════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
}

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

.service-card.featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(59, 139, 245, 0.07), rgba(59, 139, 245, 0.02));
  border-color: rgba(59, 139, 245, 0.2);
}

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 139, 245, 0.12);
  border-radius: var(--radius-md);
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.service-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.5rem;
}

.service-features li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding-left: 1.25rem;
  position: relative;
}

.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* ═══════ COMPARISON ═══════ */
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.comparison-card {
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
}

.comparison-card.bad {
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.comparison-card.good {
  background: linear-gradient(135deg, rgba(59, 139, 245, 0.1), rgba(59, 139, 245, 0.03));
  border: 1px solid rgba(59, 139, 245, 0.3);
  box-shadow: 0 0 40px rgba(59, 139, 245, 0.1);
}

.featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 1rem;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.comparison-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.comparison-card ul { display: flex; flex-direction: column; gap: 0.875rem; }

.comparison-card li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.9375rem;
  line-height: 1.4;
}

.comparison-card li svg { flex-shrink: 0; margin-top: 2px; }

.comparison-card.bad li { color: var(--text-muted); }
.comparison-card.bad li svg { color: var(--danger); opacity: 0.6; }
.comparison-card.good li { color: var(--text-primary); }
.comparison-card.good li svg { color: var(--success); }

/* ═══════ TESTIMONIALS ═══════ */
.testimonials-section {
  background: var(--bg-secondary);
}

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

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.testimonial-card:hover {
  border-color: rgba(59, 139, 245, 0.2);
  transform: translateY(-4px);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 1.25rem;
  color: var(--warning);
}

.testimonial-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-style: italic;
  flex: 1;
  margin-bottom: 1.5rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.testimonial-author span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ═══════ FAQ ═══════ */
.faq-section {
  background: var(--bg-primary);
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.faq-category-title {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.faq-category-title svg {
  opacity: 0.7;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
  margin-bottom: 0.5rem;
}

.faq-item:hover {
  border-color: var(--border-hover);
}

.faq-item.active {
  border-color: rgba(59, 139, 245, 0.2);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.125rem 1.25rem;
  background: var(--bg-card);
  border: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition);
}

.faq-question:hover {
  background: var(--bg-card-hover);
}

.faq-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 350ms var(--ease-out), color 350ms var(--ease-out);
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms var(--ease-out);
}

.faq-answer p {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-answer p strong {
  color: var(--text-primary);
  font-weight: 600;
}

.faq-cta {
  text-align: center;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.faq-cta p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.faq-cta a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.faq-cta a:hover {
  color: var(--accent-light);
}

/* ═══════ CTA / FORM ═══════ */
.cta-section { padding-bottom: 6rem; }

.cta-wrapper {
  position: relative;
  background: var(--bg-card);
  border: 1px solid rgba(59, 139, 245, 0.2);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(59, 139, 245, 0.15), transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  padding: 3rem 2rem;
  max-width: 520px;
  margin: 0 auto;
}

.lead-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.375rem; }

.form-group label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

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

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

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239494A8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

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

.form-disclaimer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ─── Hero WhatsApp link ─── */
.hero-whatsapp-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-family: var(--font-body);
  text-decoration: none;
  transition: color var(--transition);
}

.hero-whatsapp-link:hover {
  color: #25D366;
}

.hero-whatsapp-link svg {
  color: #25D366;
}

/* ─── Form WhatsApp alternative ─── */
.form-whatsapp-alt {
  margin-top: 1.5rem;
}

.form-alt-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-alt-divider::before,
.form-alt-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.btn-whatsapp {
  background: #25D366 !important;
  color: #fff !important;
  border: none;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: #20BD5A !important;
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.4);
  transform: translateY(-1px);
}

.btn-whatsapp svg {
  filter: brightness(10);
}

/* ═══════ FOOTER ═══════ */
.footer {
  padding: 3rem 0 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.footer-brand-col .nav-logo {
  margin-bottom: 0.75rem;
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 300px;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-nav li a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

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

.footer-nav li a svg {
  flex-shrink: 0;
  opacity: 0.6;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

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

/* ═══════ FLOATING CTA ═══════ */
.floating-cta {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 90;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all 350ms var(--ease-out);
  opacity: 0;
  transform: scale(0.5) translateY(20px);
  pointer-events: none;
}

.floating-cta.visible {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: auto;
}

.floating-cta:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.floating-cta svg {
  width: 28px;
  height: 28px;
}

.floating-cta-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.4);
  animation: floatingPulse 2s ease-out infinite;
}

@keyframes floatingPulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}

/* ═══════ ANIMATIONS ═══════ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-badge, .hero-title, .hero-subtitle, .hero-actions, .hero-stats {
    animation: none !important;
  }
  .floating-cta-pulse { animation: none; }
}

/* ═══════ RESPONSIVE ═══════ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    padding: 1.5rem var(--container-px);
    gap: 1rem;
    border-bottom: 1px solid var(--border);
  }
  .mobile-menu-btn { display: flex; }

  .problems-grid,
  .steps-grid,
  .services-grid,
  .comparison-grid,
  .segments-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

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

  .service-card.featured { grid-column: auto; }

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

  .stat-divider {
    width: 40px;
    height: 1px;
  }

  .hero { padding: 7rem 0 3rem; }

  .trust-content {
    flex-direction: column;
    gap: 1rem;
  }

  .trust-items {
    gap: 1rem;
  }

  .trust-divider {
    display: none;
  }

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

  .floating-cta {
    bottom: 1rem;
    right: 1rem;
    width: 56px;
    height: 56px;
  }

  .floating-cta svg {
    width: 24px;
    height: 24px;
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .hero-actions { flex-direction: column; }
  .btn-lg { padding: 0.75rem 1.5rem; width: 100%; }

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

  .faq-question {
    font-size: 0.875rem;
    padding: 1rem;
  }

  .faq-answer p {
    padding: 0 1rem 1rem;
    font-size: 0.875rem;
  }
}