:root {
    --bg-main: #FAFAFA;
    --text-main: #1C1F26;
    --accent-primary: #D4A373;
    --accent-secondary: #E9EDC9;
    --surface: #FFFFFF;
    --border-color: #E2E2E2;
    --font-head: 'Syne', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

* { 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-main); color: var(--text-main); line-height: 1.6; overflow-x: hidden; }

/* Unique Graphical Element: Animated Acoustic Wave Background */
.acoustic-waves {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100vh;
    overflow: hidden; z-index: -1;
    background: radial-gradient(circle at 80% 20%, var(--accent-secondary) 0%, transparent 40%);
    opacity: 0.6; pointer-events: none;
}
.acoustic-waves::before, .acoustic-waves::after {
    content: ''; position: absolute; top: 40%; left: -10%;
    width: 120%; height: 200px;
    background: repeat-x url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 200"><path d="M0,100 Q100,0 200,100 T400,100 T600,100 T800,100" fill="none" stroke="%23D4A373" stroke-width="2" opacity="0.2"/></svg>');
    animation: waveMove 20s linear infinite;
}
.acoustic-waves::after {
    top: 45%; background: repeat-x url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 200"><path d="M0,100 Q100,200 200,100 T400,100 T600,100 T800,100" fill="none" stroke="%231C1F26" stroke-width="1" opacity="0.1"/></svg>');
    animation: waveMove 15s linear infinite reverse;
}
@keyframes waveMove { 0% { background-position: 0 0; } 100% { background-position: 800px 0; } }

/* Header */
header {
    background: rgba(250, 250, 250, 0.9); backdrop-filter: blur(12px);
    padding: 1.5rem 5%; display: flex; justify-content: space-between; align-items: center;
    position: fixed; width: 100%; top: 0; z-index: 1000; border-bottom: 1px solid var(--border-color);
}
.logo { font-family: var(--font-head); font-size: 1.8rem; font-weight: 800; color: var(--text-main); text-decoration: none; display: flex; align-items: center; gap: 10px; }
.logo i { color: var(--accent-primary); }
nav ul { display: flex; gap: 3rem; list-style: none; }
nav a { color: var(--text-main); text-decoration: none; font-weight: 500; text-transform: uppercase; font-size: 0.9rem; letter-spacing: 1px; transition: var(--transition); }
nav a:hover { color: var(--accent-primary); }

/* Typography */
h1 { font-family: var(--font-head); font-size: clamp(3.5rem, 8vw, 6rem); line-height: 1; font-weight: 800; margin-bottom: 1.5rem; letter-spacing: -2px; }
h2 { font-family: var(--font-head); font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 700; margin-bottom: 2rem; line-height: 1.1; letter-spacing: -1px; }

/* Hero */
.hero { padding: 12rem 5% 6rem; min-height: 100vh; display: flex; flex-direction: column; justify-content: center; position: relative; }
.hero-inner { max-width: 900px; }
.hero p { font-size: clamp(1.1rem, 2vw, 1.4rem); color: #555; margin-bottom: 3rem; max-width: 700px; }
.btn {
    display: inline-flex; align-items: center; gap: 12px;
    background: var(--text-main); color: var(--bg-main);
    padding: 1.2rem 3rem; font-size: 1.1rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
    text-decoration: none; border: none; border-radius: 4px; cursor: pointer; transition: var(--transition);
}
.btn:hover { background: var(--accent-primary); transform: translateY(-4px); box-shadow: 0 15px 30px rgba(212, 163, 115, 0.3); }

/* Random Section: Philosophy */
.philosophy { padding: 8rem 5%; background: var(--text-main); color: var(--bg-main); }
.philosophy h2 { color: var(--accent-primary); }
.phil-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 4rem; margin-top: 4rem; }
.phil-item { border-top: 2px solid rgba(255,255,255,0.1); padding-top: 2rem; }
.phil-item i { font-size: 2.5rem; color: var(--accent-secondary); margin-bottom: 1.5rem; }
.phil-item h3 { font-family: var(--font-head); font-size: 1.8rem; margin-bottom: 1rem; }
.phil-item p { color: #A0A0A0; font-size: 1.1rem; }

/* Asymmetrical Features */
.features { padding: 8rem 5%; display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.feat-img { position: relative; }
.feat-img img { width: 100%; height: auto; border-radius: 8px; box-shadow: 20px 20px 0 var(--accent-secondary); }
.feat-list { list-style: none; margin-top: 2rem; }
.feat-list li { font-size: 1.2rem; margin-bottom: 1.5rem; display: flex; align-items: center; gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border-color); }
.feat-list i { color: var(--accent-primary); font-size: 1.5rem; }

/* Form Section */
.audit-section { padding: 8rem 5%; background: var(--accent-secondary); display: flex; justify-content: center; }
.form-box { background: var(--surface); padding: 5rem 4rem; border-radius: 12px; box-shadow: 0 30px 60px rgba(0,0,0,0.05); width: 100%; max-width: 800px; position: relative; }
.form-box h2 { text-align: center; font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1rem; }
.form-box > p { text-align: center; color: #666; margin-bottom: 3rem; }
.form-group { margin-bottom: 1.8rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.5px; }
.form-group input { 
    width: 100%; padding: 1.2rem; border: 1px solid var(--border-color); border-radius: 4px;
    font-family: var(--font-body); font-size: 1rem; background: #FDFDFD; transition: var(--transition);
}
.form-group input:focus { outline: none; border-color: var(--accent-primary); box-shadow: 0 0 0 3px rgba(212, 163, 115, 0.2); }
.checkbox-wrap { display: flex; gap: 15px; margin-bottom: 2.5rem; }
.checkbox-wrap input { width: 20px; height: 20px; accent-color: var(--accent-primary); margin-top: 3px; }
.checkbox-wrap label { font-size: 0.9rem; color: #555; line-height: 1.4; }
.btn-submit { width: 100%; justify-content: center; font-size: 1.2rem; padding: 1.5rem; }
.success-msg { display: none; text-align: center; padding: 2rem 0; }
.success-msg i { font-size: 4rem; color: var(--accent-primary); margin-bottom: 1.5rem; }

/* FAQ */
.faq-section { padding: 8rem 5%; max-width: 900px; margin: 0 auto; }
details { background: var(--surface); margin-bottom: 1rem; border-radius: 8px; border: 1px solid var(--border-color); transition: var(--transition); }
details:hover { border-color: var(--accent-primary); }
summary { padding: 1.5rem; font-size: 1.2rem; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '\f067'; font-family: 'Font Awesome 6 Free'; font-weight: 900; color: var(--accent-primary); transition: transform 0.3s; }
details[open] summary::after { transform: rotate(45deg); }
.faq-text { padding: 0 1.5rem 1.5rem; color: #555; line-height: 1.7; font-size: 1.05rem; }

/* Footer */
footer { background: #111; color: #888; padding: 4rem 5% 2rem; text-align: center; }
.footer-links { display: flex; justify-content: center; gap: 2rem; margin-bottom: 2rem; flex-wrap: wrap; }
.footer-links a { color: #888; text-decoration: none; font-size: 0.95rem; transition: var(--transition); }
.footer-links a:hover { color: var(--surface); }
.copy { font-size: 0.85rem; border-top: 1px solid #333; padding-top: 2rem; margin-top: 2rem; }

/* Legal Pages */
.legal-main { padding: 10rem 5% 6rem; background: var(--bg-main); }
.legal-card { max-width: 900px; margin: 0 auto; background: var(--surface); padding: 4rem; border-radius: 12px; box-shadow: 0 20px 40px rgba(0,0,0,0.03); border: 1px solid var(--border-color); }
.legal-card h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 2rem; border-bottom: 2px solid var(--accent-primary); padding-bottom: 1rem; }
.legal-card h2 { font-size: 1.6rem; margin-top: 2.5rem; margin-bottom: 1rem; }
.legal-card p, .legal-card ul { margin-bottom: 1.2rem; color: #444; font-size: 1.05rem; }
.legal-card ul { padding-left: 2rem; }
.legal-card iframe { width: 100%; height: 400px; border: none; border-radius: 8px; margin-top: 2rem; filter: grayscale(1); }

/* Cookie Banner */
.cookie-banner {
    position: fixed; bottom: -150%; left: 0; width: 100%;
    background: var(--text-main); color: var(--surface);
    padding: 1.5rem 5%; display: flex; justify-content: space-between; align-items: center;
    z-index: 9999; transition: bottom 0.6s ease; box-shadow: 0 -10px 30px rgba(0,0,0,0.2);
}
.cookie-banner.show { bottom: 0; }
.cookie-banner p { max-width: 70%; font-size: 0.95rem; color: #CCC; }
.cookie-banner button { background: var(--accent-primary); color: var(--text-main); border: none; padding: 0.8rem 2rem; font-weight: 600; cursor: pointer; border-radius: 4px; transition: var(--transition); }
.cookie-banner button:hover { background: var(--surface); }

/* Responsive */
@media (max-width: 992px) {
    .features { grid-template-columns: 1fr; gap: 3rem; }
    .feat-img { order: -1; }
    h1 { font-size: 3.5rem; }
    .form-box { padding: 3rem 2rem; }
}
@media (max-width: 768px) {
    header { padding: 1rem 5%; }
    nav ul { display: none; }
    .cookie-banner { flex-direction: column; gap: 1rem; text-align: center; }
    .cookie-banner p { max-width: 100%; }
    .legal-card { padding: 2rem; }
}