/* =============================================
   WeUp - Styles
   Brand Colors: #7700a3 (Roxo) | #d900d6 (Rosa)
   Fonts: Lato (Principal) | Montserrat (Secundária)
   ============================================= */

/* CSS Variables / Design Tokens */
:root {
  /* Brand Colors - Based on WeUp Neon Logo */
  --color-primary: #a855f7;
  --color-primary-dark: #7c3aed;
  --color-primary-light: #c084fc;
  --color-secondary: #d946ef;
  --color-secondary-light: #e879f9;
  --color-accent: #f0abfc;
  --color-neon: #bf5af2;

  /* Neutral Colors */
  --color-dark: #0d0d1a;
  --color-dark-lighter: #1a1a2e;
  --color-dark-lightest: #2a2a45;
  --color-light: #F8F9FA;
  --color-white: #FFFFFF;
  --color-gray-100: #E9ECEF;
  --color-gray-200: #DEE2E6;
  --color-gray-300: #ADB5BD;
  --color-gray-400: #868E96;
  --color-gray-600: #6C757D;
  --color-success: #00C853;
  --color-error: #FF5252;

  /* Typography */
  --font-primary: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  /* Font Weights */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-black: 900;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --border-radius-2xl: 24px;
  --border-radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 40px rgba(168, 85, 247, 0.4);
  --shadow-glow-pink: 0 0 40px rgba(217, 70, 239, 0.3);
  --shadow-neon: 0 0 20px rgba(191, 90, 242, 0.5), 0 0 40px rgba(168, 85, 247, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;

  /* Layout */
  --container-max-width: 1200px;
  --header-height: 80px;
}

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

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

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.no-scroll {
  overflow: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

/* =============================================
   Utility Classes
   ============================================= */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
}

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

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mb-xl {
  margin-bottom: var(--spacing-xl);
}

/* =============================================
   Sections
   ============================================= */
.section {
  padding: var(--spacing-3xl) 0;
}

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

.section--dark {
  background: #000000;
  color: var(--color-white);
}

.section--light {
  background: var(--color-light);
}

.section--gradient {
  background: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-lighter) 100%);
  color: var(--color-white);
}

.section__header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .section__header {
    margin-bottom: var(--spacing-3xl);
  }
}

.section__title {
  font-family: var(--font-secondary);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
  .section__title {
    font-size: var(--font-size-4xl);
  }
}

.section__subtitle {
  font-family: var(--font-primary);
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto;
}

.section--dark .section__subtitle {
  color: var(--color-gray-300);
}

.section__footer {
  text-align: center;
  font-size: var(--font-size-lg);
  margin-top: var(--spacing-2xl);
  color: var(--color-gray-600);
}

.section__quote {
  text-align: center;
  font-family: var(--font-secondary);
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  margin-top: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .section__quote {
    font-size: var(--font-size-2xl);
  }
}

/* =============================================
   Buttons
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-family: var(--font-secondary);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
}

.btn--sm {
  padding: 8px 16px;
  font-size: var(--font-size-sm);
}

.btn--md {
  padding: 12px 24px;
  font-size: var(--font-size-base);
}

.btn--lg {
  padding: 16px 32px;
  font-size: var(--font-size-lg);
}

.btn--full {
  width: 100%;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn--secondary {
  background: transparent;
  border: 2px solid var(--color-white);
  color: var(--color-white);
}

.btn--secondary:hover {
  background: var(--color-white);
  color: var(--color-dark);
}

.btn--accent {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  border: none;
}

.btn--accent:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn__loading {
  display: none;
}

.btn.loading .btn__text {
  display: none;
}

.btn.loading .btn__loading {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.btn.loading .btn__loading i {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* =============================================
   Header & Navigation
   ============================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: all var(--transition-base);
}

.header--sticky {
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 30px rgba(168, 85, 247, 0.2);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.nav__logo {
  z-index: 1001;
}

.nav__logo-img {
  height: 40px;
  width: auto;
}

@media (min-width: 768px) {
  .nav__logo-img {
    height: 50px;
  }
}

.nav__menu {
  display: none;
  gap: var(--spacing-xl);
}

@media (min-width: 1024px) {
  .nav__menu {
    display: flex;
  }
}

.nav__link {
  font-family: var(--font-secondary);
  color: var(--color-white);
  font-weight: var(--font-weight-medium);
  position: relative;
  padding: var(--spacing-sm) 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  transition: width var(--transition-base);
}

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

.nav__cta {
  display: none;
  padding: 14px 28px;
  font-size: var(--font-size-base);
  border-radius: var(--border-radius-lg);
}

@media (min-width: 1024px) {
  .nav__cta {
    display: inline-flex;
  }
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  z-index: 1001;
}

@media (min-width: 1024px) {
  .nav__toggle {
    display: none;
  }
}

.nav__toggle-icon,
.nav__toggle-icon::before,
.nav__toggle-icon::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav__toggle-icon::before,
.nav__toggle-icon::after {
  content: '';
  position: relative;
}

.nav__toggle-icon::before {
  top: -7px;
}

.nav__toggle-icon::after {
  top: 5px;
}

.nav__toggle.active .nav__toggle-icon {
  background: transparent;
}

.nav__toggle.active .nav__toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.nav__toggle.active .nav__toggle-icon::after {
  top: -2px;
  transform: rotate(-45deg);
}

/* Mobile Menu */
@media (max-width: 1023px) {
  .nav__menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-lighter) 100%);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1000;
  }

  .nav__menu.active {
    display: flex;
    opacity: 1;
    visibility: visible;
  }

  .nav__link {
    font-size: var(--font-size-2xl);
  }

  .nav__item--mobile-cta {
    margin-top: var(--spacing-xl);
  }

  .nav__item--mobile-cta .btn {
    padding: 16px 48px;
    font-size: var(--font-size-lg);
    border-radius: var(--border-radius-lg);
  }
}

.nav__item--mobile-cta {
  display: none;
}

@media (max-width: 1023px) {
  .nav__item--mobile-cta {
    display: block;
  }
}

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

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(168, 85, 247, 0.25) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(217, 70, 239, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(191, 90, 242, 0.15) 0%, transparent 70%),
    linear-gradient(180deg, #000000 0%, #0a0a15 100%);
}

/* Animated glow effect */
.hero__bg::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.35) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(80px);
  animation: float 8s ease-in-out infinite;
}

.hero__bg::after {
  content: '';
  position: absolute;
  bottom: 20%;
  right: 10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(217, 70, 239, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(80px);
  animation: float 6s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

.hero__container {
  position: relative;
  z-index: 1;
}

.hero__content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero__title {
  font-family: var(--font-secondary);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
  .hero__title {
    font-size: var(--font-size-5xl);
  }
}

@media (min-width: 1024px) {
  .hero__title {
    font-size: var(--font-size-6xl);
  }
}

.hero__subtitle {
  font-family: var(--font-primary);
  font-size: var(--font-size-lg);
  color: var(--color-gray-300);
  margin-bottom: var(--spacing-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .hero__subtitle {
    font-size: var(--font-size-xl);
  }
}

.hero__buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 640px) {
  .hero__buttons {
    flex-direction: row;
    justify-content: center;
  }
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(168, 85, 247, 0.15);
  border: 1px solid rgba(191, 90, 242, 0.4);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-full);
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  color: var(--color-gray-300);
}

.hero__badge i {
  color: var(--color-secondary);
  font-size: var(--font-size-lg);
}

/* =============================================
   Cards
   ============================================= */
.card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border: 1px solid transparent;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(168, 85, 247, 0.3);
}

.card__icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-md);
}

.card__icon i {
  font-size: 28px;
  color: var(--color-white);
}

.card__title {
  font-family: var(--font-secondary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

.card__text {
  font-family: var(--font-primary);
  color: var(--color-gray-600);
  font-size: var(--font-size-base);
}

/* Card Highlight (full-width featured card) */
.card--highlight {
  width: 100%;
  margin-bottom: var(--spacing-xl);
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
  border: 2px solid rgba(168, 85, 247, 0.3);
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-xl);
}

.card--highlight .card__icon {
  width: 80px;
  height: 80px;
  margin-left: auto;
  margin-right: auto;
}

.card--highlight .card__icon i {
  font-size: 40px;
}

.card--highlight .card__title {
  font-size: var(--font-size-lg);
}

.card--highlight .card__text {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  font-size: var(--font-size-base);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

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

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

/* =============================================
   Solutions Section
   ============================================= */
.solutions-grid {
  display: grid;
  gap: var(--spacing-xl);
}

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

.solution-card {
  background: linear-gradient(180deg, var(--color-dark-lighter) 0%, var(--color-dark-lightest) 100%);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  border-left: 4px solid var(--color-primary);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 50%, transparent 100%);
}

.solution-card:hover {
  transform: translateY(-4px);
  border-left-color: var(--color-secondary);
  box-shadow: var(--shadow-glow);
}

.solution-card__number {
  font-family: var(--font-secondary);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-md);
}

.solution-card__title {
  font-family: var(--font-secondary);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
}

.solution-card__subtitle {
  font-family: var(--font-primary);
  color: var(--color-gray-300);
  margin-bottom: var(--spacing-md);
}

.solution-card__list {
  margin-bottom: var(--spacing-lg);
}

.solution-card__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-primary);
  color: var(--color-gray-300);
}

.solution-card__list i {
  color: var(--color-secondary);
  flex-shrink: 0;
  margin-top: 4px;
}

.solution-card__highlight {
  font-family: var(--font-secondary);
  color: var(--color-secondary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
}

.badge {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-secondary);
  font-size: var(--font-size-xs);
  padding: 2px 8px;
  border-radius: var(--border-radius-full);
  margin-left: var(--spacing-xs);
}

/* =============================================
   Differentials Section
   ============================================= */
.differentials-grid {
  display: grid;
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  .differentials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  font-family: var(--font-primary);
  font-size: var(--font-size-lg);
}

.check-list i {
  color: var(--color-primary);
  font-size: var(--font-size-xl);
  flex-shrink: 0;
  margin-top: 2px;
}

/* =============================================
   Metrics Section
   ============================================= */
.metrics-grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

@media (min-width: 1024px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
  }
}

.metric-card {
  background: linear-gradient(180deg, var(--color-dark-lighter) 0%, var(--color-dark-lightest) 100%);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  border: 1px solid var(--color-dark-lightest);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--color-primary) 50%, transparent 100%);
}

.metric-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.metric-card__value {
  font-family: var(--font-secondary);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

@media (min-width: 768px) {
  .metric-card__value {
    font-size: var(--font-size-4xl);
  }
}

.metric-card__label {
  font-family: var(--font-secondary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

.metric-card__description {
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}

/* =============================================
   Audience Section
   ============================================= */
.audience-grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

@media (min-width: 1024px) {
  .audience-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.audience-card {
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  border: 2px solid transparent;
  transition: all var(--transition-base);
}

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

.audience-card__icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-light);
  border-radius: var(--border-radius-full);
  margin: 0 auto var(--spacing-lg);
  transition: all var(--transition-base);
}

.audience-card:hover .audience-card__icon {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.audience-card__icon i {
  font-size: 36px;
  color: var(--color-primary);
  transition: color var(--transition-base);
}

.audience-card:hover .audience-card__icon i {
  color: var(--color-white);
}

.audience-card__title {
  font-family: var(--font-secondary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

.audience-card__text {
  font-family: var(--font-primary);
  color: var(--color-gray-600);
}

/* =============================================
   Timeline Section
   ============================================= */
.timeline {
  display: grid;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .timeline {
    grid-template-columns: repeat(4, 1fr);
    position: relative;
  }

  .timeline::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 60px;
    right: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  }
}

.timeline__item {
  text-align: center;
  position: relative;
}

.timeline__number {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--border-radius-full);
  font-family: var(--font-secondary);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin: 0 auto var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.timeline__title {
  font-family: var(--font-secondary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

.timeline__text {
  font-family: var(--font-primary);
  color: var(--color-gray-300);
}

/* =============================================
   Testimonials Section
   ============================================= */
.testimonials-grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(168, 85, 247, 0.3);
}

.testimonial-card__quote {
  margin-bottom: var(--spacing-md);
}

.testimonial-card__quote i {
  font-size: 40px;
  color: var(--color-primary-light);
}

.testimonial-card__text {
  font-family: var(--font-primary);
  font-size: var(--font-size-lg);
  font-style: italic;
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.testimonial-card__avatar {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--border-radius-full);
  font-family: var(--font-secondary);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
}

.testimonial-card__info strong {
  font-family: var(--font-secondary);
  display: block;
  font-size: var(--font-size-base);
}

.testimonial-card__info span {
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}

/* =============================================
   Contact Section
   ============================================= */
.contact-wrapper {
  display: grid;
  gap: var(--spacing-2xl);
  align-items: start;
}

@media (min-width: 1024px) {
  .contact-wrapper {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
  }
}

.contact-info__title {
  font-family: var(--font-secondary);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
  .contact-info__title {
    font-size: var(--font-size-4xl);
  }
}

.contact-info__subtitle {
  font-family: var(--font-primary);
  font-size: var(--font-size-lg);
  color: var(--color-gray-300);
  margin-bottom: var(--spacing-xl);
}

.contact-info__features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-family: var(--font-primary);
  color: var(--color-gray-300);
}

.contact-feature i {
  font-size: var(--font-size-xl);
  color: var(--color-secondary);
}

/* Form */
.contact-form {
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-xl);
}

@media (min-width: 768px) {
  .contact-form {
    padding: var(--spacing-2xl);
  }
}

.form-group {
  margin-bottom: 8px;
}

.form-label {
  display: block;
  font-family: var(--font-secondary);
  font-weight: var(--font-weight-medium);
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
}

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--border-radius-md);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  background: var(--color-white);
  color: var(--color-dark);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15);
}

.form-input.error {
  border-color: var(--color-error);
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236C757D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 20px;
  padding-right: 44px;
}

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

.form-error {
  display: block;
  color: var(--color-error);
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  min-height: 20px;
}

/* Success Message */
.form-success {
  display: none;
  text-align: center;
  padding: var(--spacing-3xl);
  color: var(--color-white);
}

.form-success.show {
  display: block;
}

.form-success i {
  font-size: 80px;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-lg);
}

.form-success h3 {
  font-family: var(--font-secondary);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

.form-success p {
  font-family: var(--font-primary);
  color: var(--color-gray-300);
}

/* Hide form when success */
.contact-wrapper.success {
  display: none;
}

/* =============================================
   Footer
   ============================================= */
.footer {
  background: #000000;
  color: var(--color-white);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer__grid {
  display: grid;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

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

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 2fr repeat(4, 1fr);
  }
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: inline-block;
  margin-bottom: var(--spacing-md);
}

.footer__logo-img {
  height: 45px;
  width: auto;
}

.footer__tagline {
  font-family: var(--font-primary);
  color: var(--color-gray-400);
  margin-bottom: var(--spacing-lg);
}

.footer__social {
  display: flex;
  gap: var(--spacing-md);
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-dark-lighter);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  transform: translateY(-2px);
}

.social-link i {
  font-size: 20px;
}

.footer__title {
  font-family: var(--font-secondary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
}

.footer__links li {
  margin-bottom: var(--spacing-sm);
}

.footer__links a {
  font-family: var(--font-primary);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-secondary);
}

.footer__bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-dark-lighter);
  text-align: center;
  font-family: var(--font-primary);
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
}

/* =============================================
   Animations
   ============================================= */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* Stagger animation delays for grid items */
.features-grid .animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.features-grid .animate-on-scroll:nth-child(2) { transition-delay: 100ms; }
.features-grid .animate-on-scroll:nth-child(3) { transition-delay: 200ms; }
.features-grid .animate-on-scroll:nth-child(4) { transition-delay: 0ms; }
.features-grid .animate-on-scroll:nth-child(5) { transition-delay: 100ms; }
.features-grid .animate-on-scroll:nth-child(6) { transition-delay: 200ms; }
.features-grid .animate-on-scroll:nth-child(7) { transition-delay: 0ms; }
.features-grid .animate-on-scroll:nth-child(8) { transition-delay: 100ms; }
.features-grid .animate-on-scroll:nth-child(9) { transition-delay: 200ms; }

.solutions-grid .animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.solutions-grid .animate-on-scroll:nth-child(2) { transition-delay: 150ms; }
.solutions-grid .animate-on-scroll:nth-child(3) { transition-delay: 300ms; }

.metrics-grid .animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.metrics-grid .animate-on-scroll:nth-child(2) { transition-delay: 100ms; }
.metrics-grid .animate-on-scroll:nth-child(3) { transition-delay: 200ms; }
.metrics-grid .animate-on-scroll:nth-child(4) { transition-delay: 300ms; }

.audience-grid .animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.audience-grid .animate-on-scroll:nth-child(2) { transition-delay: 100ms; }
.audience-grid .animate-on-scroll:nth-child(3) { transition-delay: 200ms; }
.audience-grid .animate-on-scroll:nth-child(4) { transition-delay: 300ms; }

.timeline .animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.timeline .animate-on-scroll:nth-child(2) { transition-delay: 150ms; }
.timeline .animate-on-scroll:nth-child(3) { transition-delay: 300ms; }
.timeline .animate-on-scroll:nth-child(4) { transition-delay: 450ms; }

.testimonials-grid .animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.testimonials-grid .animate-on-scroll:nth-child(2) { transition-delay: 150ms; }
.testimonials-grid .animate-on-scroll:nth-child(3) { transition-delay: 300ms; }

/* Hero animation on load */
.hero .animate-on-scroll {
  opacity: 1;
  transform: translateY(0);
  animation: heroFadeIn 1s ease forwards;
}

@keyframes heroFadeIn {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Neon glow effect for special elements */
.neon-glow {
  text-shadow:
    0 0 5px var(--color-primary),
    0 0 10px var(--color-primary),
    0 0 20px var(--color-secondary),
    0 0 40px var(--color-secondary);
}

/* =============================================
   Mobile Responsive Styles
   ============================================= */

/* Mobile First - Base styles for small screens */
@media (max-width: 767px) {
  /* Container Mobile */
  .container {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }

  /* Buttons Mobile */
  .btn {
    max-width: 100%;
    box-sizing: border-box;
  }

  /* Header Mobile */
  .header {
    --header-height: 70px;
  }

  .nav__logo-img {
    height: 35px;
  }

  /* Hero Mobile */
  .hero {
    min-height: auto;
    padding: calc(var(--header-height) + 40px) 0 60px;
  }

  .hero__title {
    font-size: var(--font-size-2xl);
    line-height: 1.2;
  }

  .hero__subtitle {
    font-size: var(--font-size-base);
    padding: 0 var(--spacing-sm);
  }

  .hero__buttons {
    flex-direction: column;
    padding: 0 var(--spacing-lg);
    width: 100%;
    box-sizing: border-box;
  }

  .hero__buttons .btn {
    width: 100%;
    max-width: 100%;
    justify-content: center;
    padding: 14px 16px;
    font-size: var(--font-size-sm);
    box-sizing: border-box;
    white-space: normal;
    text-align: center;
    line-height: 1.3;
  }

  .hero__badge {
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs) var(--spacing-md);
  }

  /* Sections Mobile */
  .section {
    padding: var(--spacing-2xl) 0;
  }

  .section__title {
    font-size: var(--font-size-xl);
    padding: 0 var(--spacing-sm);
  }

  .section__subtitle {
    font-size: var(--font-size-base);
    padding: 0 var(--spacing-sm);
  }

  .section__quote {
    font-size: var(--font-size-lg);
    padding: 0 var(--spacing-md);
  }

  /* Cards Mobile */
  .card {
    padding: var(--spacing-lg);
  }

  .card__icon {
    width: 50px;
    height: 50px;
  }

  .card__icon i {
    font-size: 24px;
  }

  .card__title {
    font-size: var(--font-size-base);
  }

  .card__text {
    font-size: var(--font-size-sm);
  }

  /* Solutions Mobile */
  .solution-card {
    padding: var(--spacing-lg);
  }

  .solution-card__number {
    font-size: var(--font-size-3xl);
  }

  .solution-card__title {
    font-size: var(--font-size-lg);
  }

  .solution-card__list li {
    font-size: var(--font-size-sm);
  }

  .solution-card__highlight {
    font-size: var(--font-size-base);
  }

  /* Differentials Mobile */
  .check-list li {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
  }

  /* Metrics Mobile */
  .metric-card {
    padding: var(--spacing-lg);
  }

  .metric-card__value {
    font-size: var(--font-size-2xl);
  }

  .metric-card__label {
    font-size: var(--font-size-sm);
  }

  /* Audience Mobile */
  .audience-card {
    padding: var(--spacing-lg);
  }

  .audience-card__icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-md);
  }

  .audience-card__icon i {
    font-size: 28px;
  }

  .audience-card__title {
    font-size: var(--font-size-base);
  }

  /* Timeline Mobile */
  .timeline {
    gap: var(--spacing-lg);
  }

  .timeline__number {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-lg);
  }

  .timeline__title {
    font-size: var(--font-size-base);
  }

  .timeline__text {
    font-size: var(--font-size-sm);
  }

  /* Testimonials Mobile */
  .testimonial-card {
    padding: var(--spacing-lg);
  }

  .testimonial-card__text {
    font-size: var(--font-size-base);
  }

  .testimonial-card__avatar {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-sm);
  }

  /* Contact Mobile */
  .contact-info__title {
    font-size: var(--font-size-2xl);
  }

  .contact-info__subtitle {
    font-size: var(--font-size-base);
  }

  .contact-form {
    padding: var(--spacing-lg);
  }

  .form-input {
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
  }

  /* Footer Mobile */
  .footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
  }

  .footer__grid {
    gap: var(--spacing-lg);
  }

  .footer__logo-img {
    height: 35px;
  }

  .footer__title {
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-md);
  }

  .footer__links a {
    font-size: var(--font-size-sm);
  }

  .footer__bottom {
    font-size: var(--font-size-xs);
  }

  /* Mobile Menu Improvements */
  .nav__menu.active {
    padding: var(--spacing-xl);
  }

  .nav__menu.active .nav__link {
    font-size: var(--font-size-xl);
    padding: var(--spacing-md) 0;
  }

  /* Animations - reduce motion on mobile for performance */
  .hero__bg::before,
  .hero__bg::after {
    animation: none;
  }
}

/* Small phones */
@media (max-width: 374px) {
  .hero__title {
    font-size: var(--font-size-xl);
  }

  .hero__buttons .btn {
    padding: 12px 16px;
    font-size: var(--font-size-sm);
  }

  .section__title {
    font-size: var(--font-size-lg);
  }

  .metric-card__value {
    font-size: var(--font-size-xl);
  }

  .contact-info__title {
    font-size: var(--font-size-xl);
  }
}

/* Tablet adjustments */
@media (min-width: 768px) and (max-width: 1023px) {
  .hero__title {
    font-size: var(--font-size-4xl);
  }

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

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

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

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

  .timeline::before {
    display: none;
  }

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

  .testimonials-grid .testimonial-card:last-child {
    grid-column: span 2;
    max-width: 50%;
    margin: 0 auto;
  }
}

/* =============================================
   WhatsApp Floating Button
   ============================================= */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  z-index: 9999;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.whatsapp-float i {
  font-size: 32px;
  color: #fff;
}