/* 
    DEUN SYSTEMS - MODERN DESIGN SYSTEM 2026
    Premium Tech Aesthetic 
*/

:root {
  /* Colors */
  --primary: hsl(142, 76%, 36%);
  --primary-light: hsl(142, 76%, 95%);
  --primary-glow: hsla(142, 76%, 36%, 0.15);
  --dark: hsl(222, 47%, 11%);
  --dark-soft: hsl(222, 47%, 18%);
  --text: hsl(222, 47%, 11%);
  --text-muted: hsl(215, 16%, 47%);
  --surface: hsl(0, 0%, 100%);
  --surface-alt: hsl(210, 40%, 98%);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
  
  /* Spacing & Radii */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --container-max: 1200px;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Base & Reset --- */
body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--text);
  background-color: var(--surface);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

/* --- Utilities --- */
.text-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, #1e7e34 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-lg);
}

.section-padding {
  padding: 100px 0;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  z-index: 1000;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
}

.header.scrolled {
  height: 70px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}

.navbar ul {
  display: flex;
  list-style: none;
  gap: 32px;
  margin: 0;
  padding: 0;
  align-items: center;
}

.navbar a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  position: relative;
}

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

.navbar a:hover::after, .navbar a.active::after {
  width: 100%;
}

.btn-cta {
  background: var(--dark);
  color: white !important;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.btn-cta:hover {
  transform: translateY(-2px);
  background: var(--primary);
  box-shadow: 0 8px 20px var(--primary-glow);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  padding-top: 140px;
  background: radial-gradient(circle at 80% 20%, var(--primary-light) 0%, transparent 40%),
              radial-gradient(circle at 20% 80%, hsla(210, 40%, 95%, 1) 0%, transparent 40%);
  position: relative;
  overflow: hidden;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 4.5rem);
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero .lead {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 40px;
}

.hero-visual {
  position: relative;
  aspect-ratio: 1/1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-main-card {
  width: 80%;
  height: 70%;
  transform: rotate(-5deg);
  z-index: 2;
  transition: var(--transition-slow);
}

.hero-main-card:hover {
  transform: rotate(0deg) scale(1.02);
}

.floating-element {
  position: absolute;
  padding: 20px;
  border-radius: var(--radius-md);
  z-index: 3;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

/* --- Bento Grid --- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.bento-item {
  grid-column: span 4;
  padding: 40px;
  transition: var(--transition-base);
  border: 1px solid transparent;
}

.bento-item:hover {
  border-color: var(--primary);
  transform: translateY(-8px);
}

.bento-item.large { grid-column: span 8; }
.bento-item.small { grid-column: span 3; }

/* --- Client Carousel --- */
.client-track {
  display: flex;
  gap: 80px;
  animation: scroll 40s linear infinite;
  width: fit-content;
}

@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Buttons --- */
.btn-primary-modern {
  background: var(--primary);
  color: white !important;
  padding: 16px 36px;
  border-radius: var(--radius-md);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: none;
}

.btn-secondary-modern {
  background: transparent;
  color: var(--dark) !important;
  padding: 16px 36px;
  border-radius: var(--radius-md);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 2px solid var(--dark);
}

/* --- Animations --- */
[data-aos="fade-up-modern"] {
  opacity: 0;
  transform: translateY(40px);
  transition-property: transform, opacity;
}

[data-aos="fade-up-modern"].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

/* --- Mobile Navigation --- */
.mobile-nav-toggle {
  display: none;
  font-size: 28px;
  cursor: pointer;
  line-height: 0;
  transition: 0.5s;
  color: var(--dark);
}

@media (max-width: 991px) {
  .mobile-nav-toggle {
    display: block;
  }

  .navbar {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    bottom: 0;
    transition: 0.3s;
    z-index: 9999;
    background: var(--surface);
    padding: 60px 20px;
    box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    display: block !important;
  }

  .navbar ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .navbar a {
    font-size: 1.1rem;
    padding: 10px 0;
    display: block;
    width: 100%;
  }

  .navbar .dropdown ul {
    position: static;
    display: none;
    padding: 10px 20px;
    margin: 0;
    background: var(--surface-alt);
    box-shadow: none;
    opacity: 1;
    visibility: visible;
  }

  .navbar .dropdown-active {
    display: block !important;
  }

  .mobile-nav-active {
    overflow: hidden;
  }

  .mobile-nav-active .navbar {
    right: 0;
  }

  .mobile-nav-active .navbar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9998;
    backdrop-filter: blur(4px);
  }
}

/* --- Mobile Responsive --- */
@media (max-width: 991px) {
  .hero { text-align: center; padding-top: 120px; }
  .hero .lead { margin-inline: auto; }
  .navbar { display: none; } /* Handle with mobile toggle */
  .bento-item { grid-column: span 12 !important; }
}