:root {
  /* Color Palette */
  --color-bg-dark: #0a0a0f;
  --color-bg-darker: #050508;
  --color-bg-card: rgba(20, 20, 30, 0.8);
  --color-bg-card-solid: #14141e;
  --color-primary: #3dffa3;
  --color-primary-dim: rgba(61, 255, 163, 0.2);
  --color-accent: #ff3d9a;
  --color-accent-dim: rgba(255, 61, 154, 0.2);
  --color-text: #ffffff;
  --color-text-muted: #a0a0a0;
  --color-text-dark: #0a0a0f;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-bg-hover: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: blur(10px);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, #00d4aa 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, #ff6b6b 100%);
  --gradient-glow: radial-gradient(circle, var(--color-primary-dim) 0%, transparent 70%);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Outfit', var(--font-primary);

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

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-glow-primary: 0 0 20px var(--color-primary-dim), 0 0 40px var(--color-primary-dim);
  --shadow-glow-accent: 0 0 20px var(--color-accent-dim), 0 0 40px var(--color-accent-dim);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Container */
  --container-max: 1200px;
  --container-padding: var(--space-lg);
}

/* 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);
  background-color: var(--color-bg-dark);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul,
ol {
  list-style: none;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

.section-label {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

section {
  padding: var(--space-4xl) 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-text-dark);
  box-shadow: var(--shadow-glow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px var(--color-primary-dim), 0 0 60px var(--color-primary-dim);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--color-text);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
}

.btn-secondary:hover {
  background: var(--glass-bg-hover);
  border-color: var(--color-primary);
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-text-dark);
}

.btn-accent {
  background: var(--gradient-accent);
  color: var(--color-text);
  box-shadow: var(--shadow-glow-accent);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px var(--color-accent-dim), 0 0 60px var(--color-accent-dim);
}

/* Cards */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: var(--glass-blur);
  transition: all var(--transition-base);
}

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

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-dim);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}

.card-icon.accent {
  background: var(--color-accent-dim);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.card-text {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.header.scrolled {
  border-bottom-color: var(--glass-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

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

.nav {
  display: none;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.lang-toggle button {
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.lang-toggle button.active {
  background: var(--color-primary);
  color: var(--color-text-dark);
}

.lang-toggle button:hover:not(.active) {
  color: var(--color-text);
}

.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
}

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

.header-cta {
  display: none;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-dark);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu .nav-link {
  font-size: 1.5rem;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(60px + var(--space-3xl));
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(circle, rgba(61, 255, 163, 0.3) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: 30%;
  left: -10%;
  width: 40%;
  height: 60%;
  background: radial-gradient(circle, rgba(255, 61, 154, 0.2) 0%, transparent 60%);
  pointer-events: none;
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.hero-title {
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.hero-description {
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  font-size: 1.0625rem;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
}

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

.hero-image {
  margin-top: var(--space-3xl);
  position: relative;
}

.hero-phone {
  max-width: 500px;
  margin: 0 auto;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.4));
}

/* Agitation Section */
.agitation {
  background: var(--color-bg-darker);
  text-align: center;
}

.agitation-header {
  margin-bottom: var(--space-3xl);
}

.agitation-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.agitation-card {
  text-align: center;
  padding: var(--space-xl);
}

.agitation-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.agitation-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Question mark style from mockup */
.agitation-question-marks {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  text-shadow: 0 0 20px var(--color-accent-dim);
  letter-spacing: 0.1em;
}

.agitation-title {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
  color: var(--color-accent);
}

.agitation-text {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

/* How It Works Section */
.how-it-works {
  text-align: center;
}

.how-it-works-header {
  margin-bottom: var(--space-3xl);
}

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  position: relative;
}

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

.step-number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin: 0 auto var(--space-lg);
  position: relative;
  z-index: 2;
}

.step-icon-wrapper {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: var(--glass-blur);
}

.step-icon-wrapper img {
  width: 48px;
  height: 48px;
}

.step-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
}

.step-title {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.step-text {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

/* Features Section */
.features {
  background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-darker) 100%);
  overflow: visible;
  position: relative;
}

/* Green glow - positioned towards right side of section */
.features::before {
  content: '';
  position: absolute;
  top: 10%;
  right: 5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(61, 255, 163, 0.35) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* Pink glow - positioned bottom-left of phone area */
.features::after {
  content: '';
  position: absolute;
  bottom: 20%;
  right: 30%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(255, 61, 154, 0.28) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.features-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.feature-card {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.feature-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-dim);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
}

.feature-icon.accent {
  background: var(--color-accent-dim);
}

.feature-content {
  flex: 1;
}

.feature-title {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.feature-badge {
  font-size: 1rem;
}

.feature-text {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.features-layout {
  display: block;
  overflow: visible;
}

.features-side-image {
  display: none;
  position: relative;
  z-index: 1;
}

.features-side-image img {
  max-width: 100%;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
  transform: scale(1.15);
  transform-origin: center center;
}

.features-image {
  margin-top: var(--space-3xl);
  text-align: center;
}

.features-image img {
  max-width: 300px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}

/* CTA Section */
.cta-section {
  padding: var(--space-3xl) 0;
}

.cta-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, #00d4aa 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
}

.cta-title {
  color: var(--color-text-dark);
  margin-bottom: var(--space-lg);
}

.cta-btn {
  background: var(--color-bg-dark);
  color: var(--color-text);
  padding: var(--space-md) var(--space-2xl);
}

.cta-btn:hover {
  background: var(--color-bg-darker);
  transform: translateY(-2px);
}

/* About Section */
.about {
  background: var(--color-bg-darker);
}

.about-header {
  margin-bottom: var(--space-xl);
}

.about-text {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  max-width: 600px;
}

.about-highlight {
  margin-top: var(--space-xl);
}

.about-highlight-title {
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.about-highlight-text {
  color: var(--color-text-muted);
}

/* Footer */
.footer {
  background: var(--color-bg-dark);
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--glass-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  margin-bottom: var(--space-md);
}

.footer-tagline {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.footer-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  text-align: center;
}

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

/* WhatsApp Button */
.whatsapp-btn {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 100;
  transition: all var(--transition-base);
}

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

.whatsapp-btn svg {
  width: 28px;
  height: 28px;
  fill: white;
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

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

/* Responsive - Tablet */
@media (min-width: 768px) {
  .nav {
    display: block;
  }

  .mobile-menu-btn {
    display: none;
  }

  .header-cta {
    display: inline-flex;
  }

  .hero .container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3xl);
  }

  .hero-content {
    text-align: left;
    flex: 1;
    max-width: 50%;
  }

  .hero-cta {
    justify-content: flex-start;
  }

  .hero-image {
    margin-top: 0;
    flex: 1;
    display: flex;
    justify-content: center;
  }

  .agitation-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
  }

  /* Timeline connector for steps - positioned at step number level */
  .steps::before {
    content: '';
    position: absolute;
    top: 128px;
    /* icon height (80px) + margin (16px) + half of number (24px) + margin (8px) */
    left: calc(16.67% + 24px);
    right: calc(16.67% + 24px);
    height: 3px;
    background: var(--gradient-primary);
    z-index: 1;
    border-radius: 2px;
  }

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

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

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Responsive - Desktop */
@media (min-width: 1024px) {
  :root {
    --container-padding: var(--space-2xl);
  }

  .hero {
    min-height: 100vh;
  }

  .hero-content {
    max-width: none;
  }

  .hero-phone {
    max-width: 550px;
  }

  .agitation-card {
    padding: var(--space-2xl);
  }

  .features-grid {
    gap: var(--space-xl);
  }

  .cta-box {
    padding: var(--space-4xl) var(--space-3xl);
  }

  /* Features with side image layout */
  .features-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
  }

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

  .features-side-image {
    display: block;
  }

  .features-side-image img {
    max-width: 100%;
    border-radius: var(--radius-xl);
  }
}

/* Responsive - Large Desktop */
@media (min-width: 1440px) {
  html {
    font-size: 18px;
  }

  :root {
    --container-max: 1320px;
  }
}