:root {
    --primary: #0A192F;
    --secondary: #00E5FF;
    --accent: #2563EB;
    --text-dark: #111827;
    --text-light: #6B7280;
    --bg-main: #F8F9FA;
    --bg-white: #FFFFFF;
    --font-main: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-main); background-color: var(--bg-main); color: var(--text-dark); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: color 0.3s; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* Typography */
h1 { font-size: clamp(2.8rem, 6vw, 5rem); font-weight: 900; line-height: 1.1; letter-spacing: -0.04em; margin-bottom: 1.5rem; color: var(--primary); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 1rem; color: var(--primary); }
h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; }
p { font-size: 1.125rem; color: var(--text-light); }

/* Header */
header { background: var(--bg-white); padding: 1.5rem 5%; display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 1000; box-shadow: 0 4px 20px rgba(0,0,0,0.05); }
.logo-container { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.5rem; color: var(--primary); }
.logo-container img { width: 40px; height: 40px; }
nav ul { display: flex; gap: 2rem; }
nav a:hover { color: var(--accent); }
.btn-nav { background: var(--primary); color: var(--bg-white); padding: 0.75rem 1.5rem; border-radius: 8px; font-weight: 600; }
.btn-nav:hover { background: var(--accent); color: white; }

/* Sections */
section { padding: 6rem 5%; }
.container { max-width: 1280px; margin: 0 auto; }

/* Hero */
.hero { display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; min-height: 80vh; background: linear-gradient(135deg, #f0f4ff 0%, #ffffff 100%); }
.hero p { max-width: 700px; margin: 0 auto 2.5rem; font-size: 1.25rem; }
.hero-image { margin-top: 3rem; border-radius: 24px; overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.1); width: 100%; max-width: 1000px; height: 400px; object-fit: cover; }

/* Asymmetric Features */
.features-grid { display: grid; grid-template-columns: 1fr; gap: 4rem; align-items: center; }
.feature-text ul { margin-top: 2rem; }
.feature-text li { display: flex; align-items: center; gap: 15px; margin-bottom: 1rem; font-size: 1.125rem; font-weight: 600; color: var(--primary); }
.feature-text li i { color: var(--secondary); font-size: 1.5rem; }
.feature-img { border-radius: 20px; box-shadow: 0 15px 30px rgba(0,0,0,0.08); height: 500px; object-fit: cover; }

/* Random Blocks */
.stats { background: var(--primary); color: var(--bg-white); text-align: center; }
.stats h2 { color: var(--bg-white); }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; margin-top: 3rem; }
.stat-item { padding: 2rem; background: rgba(255,255,255,0.05); border-radius: 16px; border: 1px solid rgba(255,255,255,0.1); }
.stat-item h4 { font-size: 3rem; color: var(--secondary); margin-bottom: 0.5rem; }

/* Form Section */
.form-section { background: var(--bg-white); }
.form-container { max-width: 800px; margin: 0 auto; background: var(--bg-white); padding: 4rem; border-radius: 24px; box-shadow: 0 10px 40px rgba(0,0,0,0.08); border: 1px solid #e5e7eb; }
.form-header { text-align: center; margin-bottom: 3rem; }
form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.full-width { grid-column: 1 / -1; }
input, textarea { width: 100%; padding: 1.25rem; border: 1px solid #d1d5db; border-radius: 12px; font-size: 1rem; font-family: inherit; transition: all 0.3s; background: #f9fafb; }
input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(37,99,235,0.1); background: #fff; }
.consent-label { display: flex; align-items: flex-start; gap: 10px; font-size: 0.9rem; color: var(--text-light); }
.consent-label input { width: auto; margin-top: 4px; }
.submit-btn { grid-column: 1 / -1; background: var(--primary); color: white; padding: 1.25rem; font-size: 1.25rem; font-weight: 700; border: none; border-radius: 12px; cursor: pointer; transition: 0.3s; }
.submit-btn:hover { background: var(--accent); }
.submit-btn:disabled { opacity: 0.7; cursor: not-allowed; }
.success-message { text-align: center; padding: 3rem; display: none; }
.success-message i { font-size: 4rem; color: #10B981; margin-bottom: 1rem; }

/* FAQ */
.faq-container { max-width: 800px; margin: 0 auto; }
details { background: var(--bg-white); margin-bottom: 1rem; border-radius: 12px; border: 1px solid #e5e7eb; overflow: hidden; }
summary { padding: 1.5rem; font-weight: 700; font-size: 1.125rem; cursor: pointer; display: flex; justify-content: space-between; color: var(--primary); }
details p { padding: 0 1.5rem 1.5rem; color: var(--text-light); }

/* Footer */
footer { background: var(--primary); color: #9ca3af; padding: 4rem 5% 2rem; font-size: 0.9rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 3rem; margin-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 3rem; }
.footer-col h4 { color: white; font-size: 1.2rem; margin-bottom: 1.5rem; }
.footer-col ul li { margin-bottom: 0.8rem; }
.footer-col a:hover { color: var(--secondary); }
.footer-bottom { display: flex; flex-direction: column; gap: 1rem; align-items: center; text-align: center; }

/* Cookie Banner */
.cookie-banner { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: #1f2937; color: white; padding: 1.5rem 2rem; border-radius: 16px; display: flex; gap: 2rem; align-items: center; z-index: 9999; box-shadow: 0 10px 25px rgba(0,0,0,0.2); width: 90%; max-width: 600px; display: none; flex-wrap: wrap; justify-content: space-between; }
.cookie-buttons { display: flex; gap: 10px; }
.cookie-btn { padding: 0.5rem 1rem; border-radius: 6px; border: none; cursor: pointer; font-weight: 600; }
.btn-accept { background: var(--secondary); color: var(--primary); }
.btn-reject { background: transparent; border: 1px solid #6b7280; color: white; }

/* Legal & Contact Pages */
.legal-page { padding: 8rem 5% 4rem; background: var(--bg-main); min-height: 80vh; }
.legal-container { max-width: 900px; margin: 0 auto; background: var(--bg-white); padding: 4rem; border-radius: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.legal-container h1 { font-size: 2.5rem; margin-bottom: 2rem; text-align: center; border-bottom: 2px solid #f3f4f6; padding-bottom: 1.5rem; }
.legal-container h2 { font-size: 1.5rem; margin-top: 2.5rem; color: var(--text-dark); }
.legal-container p, .legal-container ul { margin-top: 1rem; color: #4b5563; }
.legal-container li { margin-bottom: 0.5rem; list-style-type: disc; margin-left: 1.5rem; }

/* Contact Grid */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-top: 3rem; }
.contact-info { background: #f9fafb; padding: 2rem; border-radius: 16px; }
.contact-info p { margin-bottom: 1rem; display: flex; align-items: center; gap: 10px; font-weight: 500; color: var(--primary); }
.contact-info i { color: var(--accent); font-size: 1.2rem; width: 20px; }
.map-container { border-radius: 16px; overflow: hidden; height: 100%; min-height: 300px; }

/* Responsive */
@media (min-width: 768px) {
    .features-grid { grid-template-columns: 1fr 1fr; }
    .features-grid:nth-child(even) .feature-text { order: -1; }
}
@media (max-width: 768px) {
    nav ul { display: none; }
    form { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .legal-container, .form-container { padding: 2rem; }
}