/* ============================================
   NEXUS Landing Page — Design System + Styles
   ============================================ */

/* === Google Fonts === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* === CSS Custom Properties === */
:root {
  --bg-dark: #0a0f1c;
  --bg-dark-2: #0f172a;
  --bg-dark-3: #1e293b;
  --bg-light: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --bg-glass: rgba(255, 255, 255, 0.06);

  --accent: #2dd4bf;
  --accent-hover: #14b8a6;
  --accent-glow: rgba(45, 212, 191, 0.25);
  --accent-glow-strong: rgba(45, 212, 191, 0.5);
  --accent-subtle: rgba(45, 212, 191, 0.1);

  --text-white: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dark: #1e293b;
  --text-dark-muted: #64748b;

  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(45, 212, 191, 0.3);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px var(--accent-glow), 0 0 80px var(--accent-glow);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --container: 1200px;
  --container-sm: 900px;
}

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

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

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

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

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

ul, ol { list-style: none; }

/* === Utility Classes === */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.container--sm {
  max-width: var(--container-sm);
}

.section {
  padding: 120px 0;
  position: relative;
}

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

.section--darker {
  background: var(--bg-dark-2);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--accent-subtle);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-title span {
  background: linear-gradient(135deg, var(--accent), #67e8f9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.7;
}

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

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: var(--bg-dark);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow-strong);
}

.btn--outline {
  background: transparent;
  color: var(--text-white);
  border: 1.5px solid var(--border);
}

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

.btn--ghost {
  background: transparent;
  color: var(--accent);
  padding: 10px 20px;
}

.btn--ghost:hover {
  background: var(--accent-subtle);
}

.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* === Navigation === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.nav.scrolled {
  background: rgba(10, 15, 28, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav__logo-icon {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--bg-dark);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
}

.nav__link:hover {
  color: var(--text-white);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__cta {
  padding: 10px 24px;
  font-size: 0.875rem;
}

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

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

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

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(45, 212, 191, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(45, 212, 191, 0.06), transparent),
    linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-dark-2) 100%);
  z-index: 0;
}

.hero__grid-pattern {
  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 70% 50% at 50% 50%, black, transparent);
  z-index: 1;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero__content {
  max-width: 580px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--accent-subtle);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 28px;
  animation: fadeInUp 0.6s ease both;
}

.hero__badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero__title span {
  display: block;
  background: linear-gradient(135deg, var(--accent) 0%, #67e8f9 50%, var(--accent) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s ease infinite;
}

.hero__desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 36px;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero__buttons {
  animation: fadeInUp 0.6s ease 0.3s both;
}

.hero__trust {
  display: flex;
  gap: 24px;
  margin-top: 40px;
  animation: fadeInUp 0.6s ease 0.4s both;
}

.hero__trust-item {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  animation: fadeInRight 0.8s ease 0.3s both;
}

.hero__image-wrapper {
  position: relative;
  width: 100%;
  max-width: 500px;
}

.hero__image-wrapper img {
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 0 40px var(--accent-glow)) drop-shadow(0 20px 60px rgba(0,0,0,0.5));
  animation: float 6s ease-in-out infinite;
}

.hero__image-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  background: var(--accent-glow);
  filter: blur(100px);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
}

/* === Stats / Numbers Section === */
.stats {
  padding: 80px 0;
  background: var(--bg-dark-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.stats__item {
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition-slow);
}

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

.stats__number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.stats__label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* === Problems Section === */
.problems__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.problem-card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(30px);
}

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

.problem-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 40px rgba(45, 212, 191, 0.08);
}

.problem-card__icon {
  width: 52px;
  height: 52px;
  background: var(--accent-subtle);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.problem-card__problem {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: line-through;
  margin-bottom: 12px;
  opacity: 0.7;
}

.problem-card__solution {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-white);
  line-height: 1.4;
  margin-bottom: 12px;
}

.problem-card__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* === Segments / Tabs Section === */
.segments__tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.segment-tab {
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-glass);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}

.segment-tab:hover {
  color: var(--text-white);
  border-color: var(--accent);
}

.segment-tab.active {
  background: var(--accent);
  color: var(--bg-dark);
  border-color: var(--accent);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.segment-content {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  animation: fadeIn 0.4s ease;
}

.segment-content.active {
  display: grid;
}

.segment-content__visual img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

.segment-content__info h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.segment-content__info p {
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.7;
}

.segment-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.segment-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-white);
}

.segment-feature__icon {
  width: 24px;
  height: 24px;
  background: var(--accent-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* === Showcase / Platform Section === */
.showcase__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.showcase__features {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 32px 0;
}

.showcase-feat {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.showcase-feat__icon {
  width: 40px;
  height: 40px;
  background: var(--accent-subtle);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.showcase-feat__text h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.showcase-feat__text p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.showcase__visual {
  position: relative;
}

.showcase__visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glow), var(--shadow-md);
}

.showcase__visual-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: var(--accent-glow);
  filter: blur(120px);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
}

/* === Timeline / How it Works === */
.timeline__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
  position: relative;
}

.timeline__steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--border-accent), var(--border-accent), transparent);
}

.timeline-step {
  text-align: center;
  position: relative;
  z-index: 1;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition-slow);
}

.timeline-step.visible {
  opacity: 1;
  transform: translateY(0);
}

.timeline-step__number {
  width: 72px;
  height: 72px;
  background: var(--bg-dark);
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  margin: 0 auto 20px;
  box-shadow: 0 0 20px var(--accent-glow);
  transition: var(--transition);
}

.timeline-step:hover .timeline-step__number {
  background: var(--accent);
  color: var(--bg-dark);
  transform: scale(1.1);
}

.timeline-step__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.timeline-step__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 220px;
  margin: 0 auto;
}

/* === Products Grid === */
.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.product-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
}

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

.product-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 30px var(--accent-glow);
}

.product-card__image {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: var(--bg-dark-3);
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.product-card:hover .product-card__image img {
  transform: scale(1.08);
}

.product-card__badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  background: var(--accent);
  color: var(--bg-dark);
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
}

.product-card__body {
  padding: 20px;
}

.product-card__name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.product-card__price {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
}

/* === Testimonials === */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.testimonial-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}

.testimonial-card__stars {
  color: #fbbf24;
  font-size: 0.9rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-card__text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #67e8f9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--bg-dark);
}

.testimonial-card__name {
  font-size: 0.9rem;
  font-weight: 700;
}

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

/* === Pricing Section === */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.pricing-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card--featured {
  border-color: var(--accent);
  background: rgba(45, 212, 191, 0.04);
  transform: scale(1.04);
}

.pricing-card--featured::before {
  content: 'Mais Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--accent);
  color: var(--bg-dark);
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
}

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

.pricing-card--featured:hover {
  transform: scale(1.04) translateY(-4px);
}

.pricing-card__name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-card__price {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 4px;
}

.pricing-card__price small {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pricing-card__features {
  text-align: left;
  margin-bottom: 28px;
  flex: 1;
}

.pricing-card__feature {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.875rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.pricing-card__feature:last-child {
  border-bottom: none;
}

.pricing-card__feature-icon {
  color: var(--accent);
  font-weight: 700;
}

.pricing-card__feature--disabled {
  opacity: 0.35;
}

.pricing-card__feature--disabled .pricing-card__feature-icon {
  color: var(--text-muted);
}

.pricing-card__feature strong {
  color: var(--text-white);
  font-weight: 700;
}


/* === CTA Section === */
.cta {
  background: linear-gradient(135deg, var(--bg-dark) 0%, rgba(45, 212, 191, 0.08) 50%, var(--bg-dark-2) 100%);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: var(--accent-glow);
  filter: blur(150px);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.3;
}

.cta__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta__title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.cta__desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  line-height: 1.7;
}

.cta__form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 500px;
  margin: 0 auto 24px;
}

.cta__input {
  padding: 14px 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-white);
  font-family: inherit;
  font-size: 0.9rem;
  transition: var(--transition);
}

.cta__input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.cta__input--full {
  grid-column: 1 / -1;
}

.cta__submit {
  grid-column: 1 / -1;
}

.cta__alt {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 16px;
}

.cta__alt a {
  color: var(--accent);
  font-weight: 600;
}

.cta__alt a:hover {
  text-decoration: underline;
}

/* === Footer === */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 12px;
  line-height: 1.6;
}

.footer__col-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-white);
  margin-bottom: 16px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__link {
  font-size: 0.875rem;
  color: var(--text-muted);
}

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

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer__socials {
  display: flex;
  gap: 16px;
}

.footer__social {
  width: 36px;
  height: 36px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer__social:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-subtle);
}

/* === Animations === */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-16px); }
}

@keyframes shimmer {
  0% { background-position: 0% center; }
  50% { background-position: 200% center; }
  100% { background-position: 0% center; }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

/* === Scroll Reveal Base === */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* === Responsive === */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero__content { max-width: 100%; }
  .hero__trust { justify-content: center; }
  .hero__buttons .btn-group { justify-content: center; }

  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .problems__grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
  .showcase__inner { grid-template-columns: 1fr; }
  .timeline__steps { grid-template-columns: repeat(2, 1fr); }
  .timeline__steps::before { display: none; }
  .segment-content.active { grid-template-columns: 1fr; }

  .testimonials__grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
  .pricing__grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
  .pricing-card--featured { transform: none; }
  .pricing-card--featured:hover { transform: translateY(-4px); }

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

@media (max-width: 768px) {
  .section { padding: 80px 0; }

  .nav__links { display: none; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 15, 28, 0.95);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }
  .nav__mobile-toggle { display: flex; }

  .hero { min-height: auto; padding: 120px 0 80px; }
  .hero__title { font-size: 2.2rem; }

  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .timeline__steps { grid-template-columns: 1fr 1fr; }
  .products__grid { grid-template-columns: 1fr 1fr; }

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

  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 480px) {
  .hero__trust { flex-direction: column; gap: 8px; }
  .btn-group { flex-direction: column; }
  .btn-group .btn { width: 100%; }
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .products__grid { grid-template-columns: 1fr; }
  .segments__tabs { gap: 6px; }
  .segment-tab { padding: 8px 16px; font-size: 0.8rem; }
}

/* ========== GOVERNANCE CAROUSEL ========== */
.gov-carousel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
}

.gov-carousel__main {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.05);
  background: #0d121f;
}

.gov-carousel__main img {
  width: 100%;
  height: auto;
  display: block;
  transition: opacity 0.4s ease, transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.gov-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(16, 185, 129, 0.2);
  backdrop-filter: blur(8px);
  color: #10b981;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  border: 1px solid rgba(16, 185, 129, 0.3);
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 5;
}

.gov-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 10px #10b981;
  animation: pulse-dot 1.5s infinite;
}

.gov-carousel__thumbnails {
  display: flex;
  gap: 12px;
}

.gov-thumb {
  width: 80px;
  height: 50px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  opacity: 0.5;
}

.gov-thumb:hover {
  opacity: 1;
}

.gov-thumb.active {
  border-color: var(--accent);
  opacity: 1;
  transform: translateY(-4px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.gov-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gov-stats-overlay {
  position: absolute;
  top: 50%;
  left: -30px;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 15px;
  z-index: 10;
}

.gov-stat-mini {
  background: rgba(15, 23, 42, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px 20px;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  backdrop-filter: blur(12px);
  animation: float 5s ease-in-out infinite alternate;
}

.gov-stat-mini:nth-child(2) {
  animation-delay: -1.5s;
}

.gov-stat-mini__val {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 2px;
}

.gov-stat-mini__lbl {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 1024px) {
  .gov-stats-overlay {
    position: static;
    margin-top: 20px;
    justify-content: center;
    left: 0;
    transform: none;
    flex-direction: row;
  }
}