:root {
  --primary: #1A202C; /* Deep Corporate Charcoal */
  --secondary: #2B6CB0; /* Trust Blue */
  --accent: #38B2AC; /* Smart Eco Teal */
  --bg-light: #F7FAFC;
  --text-dark: #2D3748;
  --text-muted: #718096;
  --white: #FFFFFF;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-body); background-color: var(--bg-light); color: var(--text-dark); line-height: 1.7; overflow-x: hidden; }

/* Giant, unconventional Typography */
h1, h2, h3, h4, .logo { font-family: var(--font-display); font-weight: 700; color: var(--primary); letter-spacing: -0.04em; }
h1 { font-size: clamp(3rem, 8vw, 5.5rem); line-height: 1.05; margin-bottom: 1.5rem; color: var(--white); }
h2 { font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1.1; margin-bottom: 2rem; }
p { font-size: 1.125rem; margin-bottom: 1.5rem; color: var(--text-muted); }
a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

.container { width: 100%; max-width: 1320px; margin: 0 auto; padding: 0 2rem; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 1.25rem 2.5rem; border: none; font-family: var(--font-display); font-weight: 700; font-size: 1.125rem; cursor: pointer; transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1); border-radius: 8px; text-transform: uppercase; letter-spacing: 0.5px; }
.btn-primary { background: var(--secondary); color: var(--white); box-shadow: 0 10px 20px -5px rgba(43, 108, 176, 0.4); }
.btn-primary:hover { background: #1A365D; transform: translateY(-3px); box-shadow: 0 15px 25px -5px rgba(43, 108, 176, 0.5); }
.btn-accent { background: var(--accent); color: var(--primary); }
.btn-accent:hover { background: #319795; transform: scale(1.02); }

/* Header */
header { background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid rgba(0,0,0,0.05); }
.header-inner { display: flex; justify-content: space-between; align-items: center; height: 90px; }
.logo { display: flex; align-items: center; gap: 12px; font-size: 1.75rem; color: var(--primary); }
.logo img { width: 45px; height: 45px; }
.nav-links { display: none; }

/* Unique Element: Animated Smart Grid Background */
.smart-grid-bg {
    position: relative;
    background-color: var(--primary);
    background-image: 
        linear-gradient(to right, rgba(56, 178, 172, 0.15) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(56, 178, 172, 0.15) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: panGrid 30s linear infinite;
    overflow: hidden;
}
.smart-grid-bg::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at center, transparent 0%, var(--primary) 80%);
    z-index: 1;
}
@keyframes panGrid {
    0% { background-position: 0 0; }
    100% { background-position: 60px 60px; }
}
.grid-content { position: relative; z-index: 2; }

/* Hero */
.hero { padding: 10rem 0 8rem; position: relative; }
.hero-content { max-width: 850px; }
.hero p { color: #A0AEC0; font-size: 1.25rem; max-width: 600px; margin-bottom: 2.5rem; }

/* Random Section: Manifesto */
.manifesto { padding: 6rem 0; background: var(--accent); color: var(--primary); text-align: center; }
.manifesto-text { font-family: var(--font-display); font-size: clamp(1.5rem, 3vw, 2.5rem); font-weight: 700; max-width: 900px; margin: 0 auto; line-height: 1.4; color: var(--primary); }

/* About Section */
.about { padding: 8rem 0; background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1fr; gap: 4rem; }

/* Features (Asymmetric) */
.features { padding: 8rem 0; background: var(--bg-light); }
.feat-grid { display: grid; grid-template-columns: 1fr; gap: 4rem; align-items: center; }
.feat-img { position: relative; border-radius: 16px; overflow: hidden; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); }
.feat-img img { width: 100%; height: 600px; object-fit: cover; display: block; }
.feat-list { margin-top: 3rem; }
.feat-list li { display: flex; gap: 1.5rem; margin-bottom: 2.5rem; align-items: flex-start; }
.feat-icon { font-size: 2rem; color: var(--accent); background: var(--primary); width: 70px; height: 70px; display: flex; align-items: center; justify-content: center; border-radius: 16px; flex-shrink: 0; }
.feat-text h4 { font-size: 1.5rem; margin-bottom: 0.5rem; }

/* FAQ */
.faq { padding: 6rem 0; background: var(--white); }
.faq-container { max-width: 800px; margin: 0 auto; }
details { background: var(--bg-light); border-radius: 12px; margin-bottom: 1rem; border: 1px solid #E2E8F0; transition: all 0.3s; }
details[open] { border-color: var(--secondary); box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1); }
summary { padding: 1.5rem; font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; color: var(--primary); }
summary::-webkit-details-marker { display: none; }
summary::after { content: '\f067'; font-family: 'Font Awesome 6 Free'; font-weight: 900; color: var(--secondary); transition: transform 0.3s; }
details[open] summary::after { transform: rotate(45deg); color: var(--accent); }
details p { padding: 0 1.5rem 1.5rem; margin: 0; color: var(--text-muted); }

/* Form Section (At the bottom for structural randomness) */
.form-section { padding: 8rem 0; background: var(--primary); color: var(--white); position: relative; }
.form-wrapper { background: var(--white); padding: 4rem; border-radius: 24px; box-shadow: 0 20px 40px rgba(0,0,0,0.3); max-width: 700px; margin: 0 auto; color: var(--text-dark); position: relative; z-index: 10; margin-top: -12rem; }
.form-wrapper h2 { color: var(--primary); text-align: center; font-size: 2.5rem; }
.form-group { margin-bottom: 1.5rem; }
.form-control { width: 100%; padding: 1.2rem; border: 2px solid #E2E8F0; border-radius: 8px; font-family: var(--font-body); font-size: 1rem; transition: border-color 0.3s; background: var(--bg-light); }
.form-control:focus { outline: none; border-color: var(--secondary); background: var(--white); }
.checkbox-wrap { display: flex; align-items: flex-start; gap: 12px; margin-top: 1.5rem; }
.checkbox-wrap input { margin-top: 5px; width: 20px; height: 20px; accent-color: var(--secondary); }
.checkbox-wrap label { font-size: 0.9rem; color: var(--text-muted); }
.success-msg { display: none; text-align: center; padding: 4rem 2rem; }
.success-msg i { font-size: 5rem; color: var(--accent); margin-bottom: 1.5rem; }
.success-msg h3 { font-family: var(--font-display); font-size: 2rem; margin-bottom: 1rem; color: var(--primary); }

/* Footer */
footer { background: #0D1117; color: #A0AEC0; padding: 5rem 0 3rem; text-align: center; border-top: 4px solid var(--accent); }
.footer-logo { font-family: var(--font-display); font-size: 2rem; color: var(--white); margin-bottom: 2rem; display: block; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; margin-bottom: 3rem; }
.footer-links a:hover { color: var(--accent); }

/* Cookie Banner */
.cookie-banner { position: fixed; bottom: -100%; left: 0; width: 100%; background: var(--white); padding: 1.5rem 0; z-index: 9999; transition: bottom 0.6s cubic-bezier(0.165, 0.84, 0.44, 1); box-shadow: 0 -10px 40px rgba(0,0,0,0.1); border-top: 4px solid var(--secondary); }
.cookie-banner.show { bottom: 0; }
.cookie-wrap { display: flex; flex-direction: column; gap: 1.5rem; align-items: center; text-align: center; }
.cookie-text p { margin: 0; font-size: 0.95rem; color: var(--text-dark); }
.cookie-actions { display: flex; gap: 1rem; }
.btn-cookie { padding: 0.8rem 1.5rem; border: none; font-family: var(--font-display); font-weight: 700; cursor: pointer; border-radius: 6px; }
.btn-cookie.accept { background: var(--secondary); color: var(--white); }
.btn-cookie.decline { background: var(--bg-light); border: 1px solid #CBD5E0; color: var(--text-dark); }

/* Legal Pages */
.legal-page { padding: 4rem 0 8rem; }
.legal-card { background: var(--white); padding: 5rem; border-radius: 24px; box-shadow: 0 10px 40px rgba(0,0,0,0.05); }
.legal-card h1 { color: var(--primary); font-size: 3rem; margin-bottom: 1rem; border-bottom: 4px solid var(--accent); padding-bottom: 1rem; display: inline-block; }
.legal-card h2 { font-size: 2rem; margin-top: 3.5rem; border-bottom: 1px solid #E2E8F0; padding-bottom: 0.5rem; }
.legal-card h3 { font-size: 1.5rem; margin-top: 2rem; }

/* Responsive Media Queries */
@media (min-width: 992px) {
  .nav-links { display: flex; gap: 3rem; font-family: var(--font-display); font-weight: 700; text-transform: uppercase; font-size: 0.95rem; }
  .about-grid { grid-template-columns: 1fr 1fr; align-items: center; }
  .feat-grid { grid-template-columns: 1fr 1fr; }
  .feat-grid.reverse .feat-text-col { order: -1; }
  .cookie-wrap { flex-direction: row; justify-content: space-between; text-align: left; }
}