/* =========================================
   VARIABLES & DESIGN SYSTEM
   ========================================= */
:root {
  /* Colors - Dark Premium Aesthetic */
  --bg-primary: #0a0e12;
  --bg-secondary: #121820;
  --bg-tertiary: #1a232f;

  --accent-primary: #10b981;
  /* Emerald Green - Nature */
  --accent-secondary: #0ea5e9;
  /* Cyan/Teal - Tech/DNA */
  --accent-glow: rgba(16, 185, 129, 0.4);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --border-color: rgba(255, 255, 255, 0.08);

  /* Fonts */
  --font-main: 'Outfit', sans-serif;

  /* Layout */
  --container-width: 1200px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* =========================================
   RESET & GLOBAL
   ========================================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 5%;
}

.section {
  padding: 6rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-top: 1rem;
}

.badge {
  display: inline-block;
  padding: 0.25rem 1rem;
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-primary);
  border-radius: 50px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 0.85rem;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.highlight {
  background: auto;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* =========================================
   TYPOGRAPHY
   ========================================= */
h1,
h2,
h3,
h4 {
  line-height: 1.2;
}

p {
  color: var(--text-secondary);
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  border: none;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px var(--accent-glow);
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

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

/* =========================================
   NAVIGATION
   ========================================= */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(10, 14, 18, 0.85);
  backdrop-filter: blur(12px);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 800;
  gap: 0.5rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--accent-primary);
}

.logo:hover .logo-icon {
  transform: rotate(15deg);
}

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

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

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-secondary);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-primary);
  transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.mobile-toggle {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.mobile-toggle span {
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition);
}

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

.hero-bg-anim {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(16, 185, 129, 0.08) 0%, rgba(10, 14, 18, 0) 50%);
  animation: pulseBg 15s infinite alternate linear;
  z-index: -1;
}

@keyframes pulseBg {
  0% {
    transform: scale(1) translate(0, 0);
  }

  100% {
    transform: scale(1.1) translate(-2%, 2%);
  }
}

.hero-container {
  text-align: center;
  max-width: 900px;
}

.hero-title {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

/* =========================================
   CARDS & GRIDS
   ========================================= */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  opacity: 0;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-10px);
  border-color: rgba(16, 185, 129, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  background: rgba(16, 185, 129, 0.1);
  width: 70px;
  height: 70px;
  line-height: 70px;
  text-align: center;
  border-radius: 16px;
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 0 0;
}

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

.footer-brand p {
  margin-top: 1rem;
  max-width: 300px;
}

.footer h4 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links a:hover {
  color: var(--accent-primary);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
  background: var(--bg-tertiary);
}

/* =========================================
   ANIMATIONS & UTILITIES
   ========================================= */
.reveal-fade {
  opacity: 0;
  animation: fadeIn 1s forwards ease-out;
}

.reveal-slide-up {
  opacity: 0;
  transform: translateY(30px);
  animation: slideUp 1s forwards ease-out;
}

.delay-1 {
  animation-delay: 0.2s;
}

.delay-2 {
  animation-delay: 0.4s;
}

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

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

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 2rem 5%;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-toggle {
    display: flex;
  }

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

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 1rem;
}

.lang-btn {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
  transition: var(--transition);
}

.lang-btn:hover,
.lang-btn.active {
  color: var(--text-primary);
  border-color: var(--accent-primary);
  background: rgba(16, 185, 129, 0.1);
}

@media (max-width: 768px) {
  .lang-toggle {
    margin-left: 0;
    margin-top: 1rem;
    justify-content: center;
  }
}