/* =================================
   PROFESSIONAL DARK THEME - REFINED
   ================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --color-gray-50: #f3f8f2;
  --color-gray-100: #edf3ec;
  --color-gray-200: #dce6da;
  --color-gray-300: #c8d7c4;
  --color-gray-400: #95ad90;
  --color-gray-500: #5f7a5b;
  --color-gray-600: #36433a;
  --color-gray-700: #253227;
  --color-gray-800: #18231a;
  --color-gray-900: #111811;

  --color-primary-500: #3b5937;
  --color-primary-600: #355033;
  --color-primary-700: #2d442a;

  --color-accent-gradient: linear-gradient(135deg, #3b5937 0%, #2d442a 100%);
  --color-accent-soft-bg: rgba(59, 89, 55, 0.1);
  
  --max-width: 1100px;
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--color-gray-900);
  color: var(--color-gray-300);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden; /* Prevent horizontal scroll from huge logo */
}

/* Huge Background Logo */
.background-logo {
  position: fixed;
  top: 50%;
  left: 60%;
  transform: translate(-50%, -50%);
  width: 140vw;
  height: 140vw;
  z-index: -1;
  opacity: 0.04;
  pointer-events: none;
  filter: grayscale(1);
}

h1, h2, h3 {
  color: #fff;
  font-weight: 700;
  line-height: 1.1;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
}

/* Header */
header {
  padding: 2rem 0;
  background: transparent;
  position: absolute;
  width: 100%;
  top: 0;
  z-index: 100;
}

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

.logo-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  filter: brightness(0) invert(1);
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

nav a {
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray-500);
  transition: var(--transition);
}

nav a:hover {
  color: #fff;
}

/* Hero Section */
.hero {
  padding: 14rem 0 8rem;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 850px;
}

.hero h1 {
  font-size: 4.5rem;
  margin-bottom: 2rem;
  letter-spacing: -0.05em;
}

.hero p {
  font-size: 1.5rem;
  color: var(--color-gray-400);
  line-height: 1.4;
  font-weight: 400;
}

/* Features */
section {
  padding: 10rem 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 4rem;
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.card p {
  font-size: 1.1rem;
  color: var(--color-gray-500);
}

.card-line {
  width: 40px;
  height: 2px;
  background: var(--color-primary-500);
  margin-bottom: 1.5rem;
}

/* Footer */
footer {
  padding: 8rem 0 4rem;
  background: rgba(10, 15, 10, 0.5);
  backdrop-filter: blur(10px);
}

.copyright-bar {
  border-top: 1px solid var(--color-gray-800);
  padding-top: 3rem;
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
  color: var(--color-gray-600);
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 3rem;
  }
  
  .hero p {
    font-size: 1.25rem;
  }

  nav {
    display: none;
  }
}