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

:root {
  /* Commercetools-inspired Palette (Deep & Rich) */
  --ct-violet: #6359ff;
  --ct-teal: #0bbfbf;
  --ct-yellow: #ffc806;
  --ct-navy: #191741;
  --ct-dark: #0F1221;
  --ct-white: #FFFFFF;
  --ct-gray-light: #F4F5F7;
  --ct-text-main: #191741;
  --ct-text-muted: #5F6C87;

  /* Spacing & Sizes */
  --container-width: 1300px;
  --header-height: 80px;
  --border-radius: 12px;
  /* Slightly sharper for enterprise look */
  --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-mega: 0 20px 40px rgba(0, 0, 0, 0.1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

ul {
  list-style: none;
}

/* Typography */
h1,
h2,
h3,
h4,
h5 {
  color: var(--ct-navy);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

h1 {
  font-size: 4rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  color: var(--ct-text-muted);
  font-size: 1.05rem;
}

.text-small {
  font-size: 0.9rem;
}

.text-micro {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  color: var(--ct-text-muted);
}

/* Layout Utilities */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.bg-navy {
  background-color: var(--ct-navy);
  color: var(--ct-white);
}

.bg-gray {
  background-color: var(--ct-gray-light);
}

.bg-violet {
  background-color: var(--ct-violet);
  color: var(--ct-white);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.grid-2-1 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.8rem 2rem;
  border-radius: 6px;
  /* Sharper */
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

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

.btn-primary:hover {
  background-color: #5046e5;
  transform: translateY(-2px);
}

.btn-accent {
  background-color: var(--ct-yellow);
  color: var(--ct-navy);
}

.btn-accent:hover {
  background-color: #e6b400;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.2);
  color: white;
}

.btn-outline:hover {
  border-color: white;
  background: rgba(255, 255, 255, 0.05);
}

/* Mega Menu Header */
header {
  height: var(--header-height);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 2000;
  /* Ensure header is above hero content */
  background: white;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--ct-navy);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo img,
.logo svg {
  height: 32px;
  width: auto;
}

/* Desktop Navigation */
nav.desktop-nav>ul {
  display: flex;
  gap: 2rem;
  height: 100%;
}

nav.desktop-nav>ul>li {
  position: static;
  /* Vital: Allows mega menu to reference Header width */
  height: 100%;
  display: flex;
  align-items: center;
}

nav.desktop-nav>ul>li>a {
  color: var(--ct-navy);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0;
}

nav.desktop-nav>ul>li:hover>a {
  color: var(--ct-violet);
}

/* Mega Dropdown */
.mega-menu {
  position: absolute;
  top: 100%;
  /* Aligns to bottom of Header */
  left: 0;
  width: 100%;
  background: #FFFFFF;
  /* Force solid white */
  box-shadow: 0 50px 100px -20px rgba(50, 50, 93, 0.25), 0 30px 60px -30px rgba(0, 0, 0, 0.3);
  /* Stronger shadow */
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s ease;
  z-index: 2000;
  /* Higher than anything else */
  border-top: 1px solid #f1f5f9;
  padding-bottom: 2rem;
}

nav.desktop-nav>ul>li:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-content {
  padding: 3rem 0;
  display: flex;
  justify-content: center;
  /* Center content in mega menu */
}

.mega-column {
  padding: 0 2rem;
  min-width: 200px;
}

.mega-column h6 {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--ct-text-muted);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.mega-column ul li {
  margin-bottom: 0.8rem;
}

.mega-column ul li a {
  font-weight: 500;
  color: var(--ct-navy);
  display: block;
}

.mega-column ul li a:hover {
  color: var(--ct-violet);
  transform: translateX(5px);
}

.mega-column ul li p {
  font-size: 0.8rem;
  margin: 0;
  line-height: 1.4;
  color: #888;
}

/* Hero */
.hero-section {
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 6rem;
  background: white;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 2;
}

.hero-cubes {
  position: absolute;
  top: 10%;
  right: -5%;
  width: 50%;
  height: 80%;
  pointer-events: none;
  background-image: radial-gradient(circle, var(--ct-violet) 2px, transparent 2.5px);
  background-size: 30px 30px;
  opacity: 0.1;
  transform: rotate(-15deg);
}

/* Feature Cards (Deep) */
.feature-card {
  background: white;
  border: 1px solid #e2e8f0;
  border-radius: var(--border-radius);
  padding: 2rem;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: var(--ct-violet);
  box-shadow: var(--shadow-hover);
  transform: translateY(-5px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--ct-gray-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--ct-violet);
}

/* MACH Section */
.mach-card {
  padding: 1.5rem;
  border-left: 4px solid var(--ct-gray-light);
  transition: all 0.3s;
}

.mach-card:hover {
  border-left-color: var(--ct-teal);
  background: linear-gradient(to right, #f0fdfa, white);
}

.mach-letter {
  font-size: 2rem;
  font-weight: 800;
  color: var(--ct-navy);
  margin-bottom: 0.5rem;
  display: block;
}

/* Footer (Deep) */
.mega-footer {
  background: var(--ct-navy);
  color: white;
  padding: 5rem 0 2rem;
  font-size: 0.9rem;
}

.mega-footer h5 {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.mega-footer ul li {
  margin-bottom: 0.8rem;
}

.mega-footer a {
  color: rgba(255, 255, 255, 0.6);
}

.mega-footer a:hover {
  color: white;
  text-decoration: underline;
}

/* Responsive */
.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--ct-navy);
}

.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: 100vh;
  background: white;
  padding: 2rem;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 998;
}

.mobile-nav.open {
  transform: translateX(0);
}

@media (max-width: 1024px) {
  .logo-slide-container {
    display: none;
  }

  /* Hide heavy animations on tablet/mobile */
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  nav.desktop-nav {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }
}

@media (max-width: 768px) {

  .grid-2,
  .grid-3,
  .grid-4,
  .grid-2-1 {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  h1 {
    font-size: 2.5rem;
  }

  .section {
    padding: 4rem 0;
  }
}

/* Animations */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}