@import url('https://fonts.googleapis.com/css2?family=Black+Han+Sans&family=Noto+Sans+KR:wght@300;400;700;900&display=swap');

:root {
    --primary-color: #064E3B; /* Deep Emerald */
    --secondary-color: #059669; /* Rich Green */
    --accent-color: #FBBF24; /* Warm Gold */
    --bg-color: #F8FAFC;
    --text-color: #1E293B;
    --light-text: #475569;
    --white: #FFFFFF;
    --shadow: 0 12px 35px rgba(0,0,0,0.06);
    --border-radius: 12px;
}

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

body {
    font-family: 'Noto Sans KR', sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 { 
    font-family: 'Black Han Sans', sans-serif; 
    font-weight: 400; 
    letter-spacing: -0.03em; 
    word-break: keep-all;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Header */
header {
    background: var(--white);
    padding: 1.2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 15px rgba(0,0,0,0.04);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo { display: flex; align-items: center; gap: 12px; font-size: 1.6rem; font-weight: 900; color: var(--primary-color); }
.logo img { width: 36px; height: 36px; }

nav ul { display: none; }
@media (min-width: 768px) {
    nav ul { display: flex; gap: 2.5rem; }
    nav ul li a { font-weight: 700; color: var(--text-color); transition: color 0.3s; }
    nav ul li a:hover { color: var(--secondary-color); }
}

.cta-nav {
    background: var(--primary-color); color: var(--white); padding: 0.7rem 1.5rem;
    border-radius: 8px; font-weight: 700; transition: background 0.3s;
}
.cta-nav:hover { background: var(--secondary-color); }

/* Hero Section */
.hero {
    display: flex; flex-direction: column; align-items: center; text-align: center;
    padding: 7rem 5% 5rem; 
    background: linear-gradient(145deg, var(--primary-color) 0%, #022C22 100%);
    color: var(--white);
}
.hero h1 { font-size: 3.2rem; margin-bottom: 1.5rem; line-height: 1.2; }
.hero p { font-size: 1.25rem; margin-bottom: 3rem; max-width: 750px; color: #D1FAE5; }
.hero-img { 
    width: 100%; max-width: 1000px; border-radius: var(--border-radius); 
    box-shadow: 0 25px 50px rgba(0,0,0,0.4); margin-top: 2rem; 
}

/* Sections Common */
section { padding: 6rem 5%; }
.section-title { font-size: 2.8rem; text-align: center; margin-bottom: 3.5rem; color: var(--primary-color); }

/* Random 1: Impact Stats */
.impact { display: grid; grid-template-columns: 1fr; gap: 2rem; background: var(--white); }
@media(min-width: 768px) { .impact { grid-template-columns: repeat(3, 1fr); } }
.impact-card { text-align: center; padding: 3rem 2rem; border-radius: var(--border-radius); box-shadow: var(--shadow); border-bottom: 4px solid var(--accent-color); }
.impact-card i { font-size: 3rem; color: var(--secondary-color); margin-bottom: 1.5rem; }
.impact-card h3 { font-size: 2.8rem; margin-bottom: 0.5rem; color: var(--primary-color); }
.impact-card p { color: var(--light-text); font-weight: 700; font-size: 1.1rem; }

/* About & Features */
.split-section { display: flex; flex-direction: column; gap: 4rem; align-items: center; }
@media(min-width: 992px) { .split-section { flex-direction: row; } }
.split-content { flex: 1; }
.split-content h2 { font-size: 2.6rem; margin-bottom: 1.5rem; line-height: 1.3; }
.split-content p { font-size: 1.15rem; color: var(--light-text); margin-bottom: 2rem; }
.split-content ul li { margin-bottom: 1.2rem; display: flex; align-items: flex-start; gap: 12px; font-weight: 700; font-size: 1.1rem; }
.split-content ul li i { color: var(--secondary-color); font-size: 1.4rem; margin-top: 3px; }
.split-image { flex: 1; width: 100%; position: relative; }
.split-image img { width: 100%; border-radius: var(--border-radius); box-shadow: var(--shadow); object-fit: cover; }

/* Lead Form Section */
.lead-section { background: #ECFDF5; padding: 6rem 5%; text-align: center; }
.lead-wrapper { max-width: 700px; margin: 0 auto; background: var(--white); padding: 4rem 3rem; border-radius: var(--border-radius); box-shadow: 0 20px 40px rgba(0,0,0,0.08); text-align: left; border-top: 6px solid var(--primary-color); }
.lead-wrapper h2 { font-size: 2.4rem; margin-bottom: 1rem; color: var(--primary-color); text-align: center; }
.lead-wrapper p { margin-bottom: 2.5rem; color: var(--light-text); text-align: center; font-size: 1.1rem; }
.form-group { display: flex; flex-direction: column; gap: 1.2rem; margin-bottom: 2rem; }
.form-row { display: flex; flex-direction: column; gap: 1.2rem; }
@media(min-width: 768px) { .form-row { flex-direction: row; } .form-row input { flex: 1; } }
input { width: 100%; padding: 1.2rem; border: 1px solid #CBD5E1; border-radius: 8px; font-size: 1.05rem; font-family: inherit; background: #F8FAFC; }
input:focus { outline: none; border-color: var(--secondary-color); background: var(--white); box-shadow: 0 0 0 4px rgba(5, 150, 105, 0.15); }
.checkbox-group { display: flex; align-items: flex-start; gap: 10px; font-size: 0.95rem; color: var(--light-text); background: #F1F5F9; padding: 1rem; border-radius: 8px; }
.checkbox-group input { width: 20px; height: 20px; margin-top: 2px; }
.submit-btn { width: 100%; padding: 1.4rem; background: var(--primary-color); color: var(--white); border: none; border-radius: 8px; font-size: 1.3rem; font-family: 'Black Han Sans', sans-serif; cursor: pointer; transition: 0.3s; margin-top: 1.5rem; letter-spacing: 1px; }
.submit-btn:hover { background: var(--secondary-color); transform: translateY(-2px); }
.submit-btn:disabled { background: #94A3B8; cursor: not-allowed; transform: none; }
.success-msg { display: none; text-align: center; padding: 3rem 1rem; }
.success-msg i { font-size: 5rem; color: var(--secondary-color); margin-bottom: 1.5rem; }
.success-msg h3 { font-size: 2.2rem; margin-bottom: 1rem; color: var(--primary-color); }

/* Random 2: Process */
.process { background: var(--primary-color); color: var(--white); border-radius: var(--border-radius); padding: 5rem; margin: 0 5%; }
.process-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; }
@media(min-width: 768px) { .process-grid { grid-template-columns: repeat(3, 1fr); } }
.process-step { text-align: center; }
.process-icon { width: 80px; height: 80px; background: rgba(255,255,255,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem; margin: 0 auto 1.5rem; color: var(--accent-color); }
.process-step h4 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--white); }

/* FAQ */
.faq-container { max-width: 850px; margin: 0 auto; }
details { background: var(--white); margin-bottom: 1.2rem; padding: 1.5rem 2rem; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.02); cursor: pointer; border: 1px solid #E2E8F0; transition: 0.3s; }
details:hover { border-color: var(--secondary-color); }
summary { font-size: 1.25rem; font-weight: 700; color: var(--primary-color); list-style: none; display: flex; justify-content: space-between; align-items: center; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '\f067'; font-family: 'FontAwesome'; color: var(--secondary-color); transition: 0.3s; }
details[open] summary::after { content: '\f068'; }
details p { margin-top: 1.5rem; color: var(--light-text); padding-top: 1.5rem; border-top: 1px dashed #E2E8F0; font-size: 1.05rem; line-height: 1.7; }

/* Footer */
footer { background: #022C22; color: #94A3B8; padding: 5rem 5% 2rem; margin-top: 5rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; margin-bottom: 3rem; border-bottom: 1px solid #134E4A; padding-bottom: 3rem; }
@media(min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.footer-info h3 { color: var(--white); font-size: 1.8rem; margin-bottom: 1.5rem; }
.footer-info p { margin-bottom: 0.8rem; font-size: 0.95rem; }
.footer-links h4 { color: var(--white); font-size: 1.3rem; margin-bottom: 1.5rem; }
.footer-links ul li { margin-bottom: 1rem; }
.footer-links ul li a { transition: color 0.3s; }
.footer-links ul li a:hover { color: var(--accent-color); }
.copyright { text-align: center; font-size: 0.95rem; color: #64748B; }

/* Cookie Banner */
.cookie-banner { position: fixed; bottom: -120px; left: 0; right: 0; background: var(--white); padding: 1.5rem 5%; box-shadow: 0 -10px 30px rgba(0,0,0,0.1); display: flex; flex-direction: column; gap: 1rem; align-items: center; justify-content: space-between; transition: bottom 0.5s cubic-bezier(0.4, 0, 0.2, 1); z-index: 9999; border-top: 4px solid var(--secondary-color); }
@media(min-width: 768px) { .cookie-banner { flex-direction: row; } }
.cookie-banner.show { bottom: 0; }
.cookie-text { font-size: 0.95rem; color: var(--text-color); flex: 1; }
.cookie-btns { display: flex; gap: 1rem; }
.cookie-btn { padding: 0.8rem 1.8rem; border: none; border-radius: 6px; font-weight: 700; cursor: pointer; transition: 0.3s; }
.btn-accept { background: var(--primary-color); color: var(--white); }
.btn-accept:hover { background: var(--secondary-color); }
.btn-reject { background: #F1F5F9; color: var(--text-color); }
.btn-reject:hover { background: #E2E8F0; }

/* Legal Pages */
.legal-main { background: var(--bg-color); padding: 4rem 5%; }
.legal-container { background: var(--white); max-width: 1000px; margin: 0 auto; padding: 4rem; border-radius: var(--border-radius); box-shadow: var(--shadow); }
.legal-container h1 { font-size: 3rem; color: var(--primary-color); margin-bottom: 2.5rem; text-align: center; border-bottom: 3px solid var(--bg-color); padding-bottom: 1.5rem; }
.legal-container h2 { font-size: 1.8rem; color: var(--secondary-color); margin: 3rem 0 1.5rem; font-family: 'Noto Sans KR', sans-serif; font-weight: 900; }
.legal-container p { margin-bottom: 1.2rem; color: var(--text-color); font-size: 1.05rem; }
.legal-container ul { margin-left: 2rem; margin-bottom: 1.5rem; list-style-type: square; }
.legal-container ul li { margin-bottom: 0.5rem; }

/* Responsive Typography overrides */
@media (min-width: 1200px) {
    .hero h1 { font-size: 4.8rem; }
    .section-title { font-size: 3.8rem; }
}