/* Palette: Rhine Blue, Slate Grey, White, Light Blue */
:root {
    --blue: #005293;
    --blue-dark: #003366;
    --blue-light: #E6F0F9;
    --slate: #708090;
    --text: #333333;
    --white: #FFFFFF;
    
    --font-head: 'Montserrat', sans-serif;
    --font-body: 'Lora', serif;
}

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

body {
    background-color: #FAFAFA;
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.7;
    position: relative;
}

/* Background Flow Element */
.flow-bg {
    position: fixed; top: 0; right: 0; width: 50%; height: 100vh;
    background: radial-gradient(circle at top right, var(--blue-light), transparent 70%);
    z-index: -1;
    pointer-events: none;
}

.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.section-padding { padding: 100px 0; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
img { max-width: 100%; height: auto; display: block; }

/* Header */
.rhine-header { padding: 25px 0; background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 20px rgba(0,0,0,0.05); }
.header-flex { display: flex; justify-content: space-between; align-items: center; }

.logo { font-family: var(--font-head); font-size: 1.6rem; font-weight: 700; color: var(--blue-dark); letter-spacing: 1px; }
.blue-dot { color: var(--blue); }

.flow-nav a { margin-left: 30px; font-family: var(--font-head); font-weight: 500; font-size: 0.95rem; color: var(--text); }
.flow-nav a:hover, .flow-nav a.active { color: var(--blue); }

.mobile-toggle { display: none; background: transparent; border: none; font-family: var(--font-head); font-weight: 700; cursor: pointer; color: var(--blue); }

/* Mobile Menu */
.mobile-menu { position: fixed; top: 0; right: -100%; width: 300px; height: 100%; background: var(--white); z-index: 2000; padding: 50px; box-shadow: -5px 0 20px rgba(0,0,0,0.1); transition: 0.4s; }
.mobile-menu.active { right: 0; }
.close-btn { background: none; border: none; font-family: var(--font-head); margin-bottom: 30px; cursor: pointer; font-size: 1rem; color: var(--slate); }
.mobile-menu a { display: block; font-family: var(--font-head); font-size: 1.4rem; margin-bottom: 20px; color: var(--blue-dark); }

@media (max-width: 900px) {
    .flow-nav { display: none; }
    .mobile-toggle { display: block; }
}

/* Hero */
.hero-flow { padding: 80px 0; min-height: 80vh; display: flex; align-items: center; }
.hero-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

.subtitle { font-family: var(--font-head); font-weight: 700; color: var(--blue); letter-spacing: 2px; font-size: 0.8rem; display: block; margin-bottom: 15px; }
.hero-text h1 { font-family: var(--font-head); font-size: 3.5rem; line-height: 1.1; color: var(--blue-dark); margin-bottom: 25px; }
.hero-text p { font-size: 1.2rem; color: var(--slate); margin-bottom: 40px; max-width: 500px; }

.hero-cta { display: flex; gap: 20px; }
.btn-primary { background: var(--blue); color: var(--white); padding: 15px 35px; font-family: var(--font-head); font-weight: 600; border-radius: 4px; border: 2px solid var(--blue); }
.btn-primary:hover { background: var(--blue-dark); border-color: var(--blue-dark); }
.btn-outline { background: transparent; color: var(--blue); padding: 15px 35px; font-family: var(--font-head); font-weight: 600; border-radius: 4px; border: 2px solid var(--blue); }
.btn-outline:hover { background: var(--blue-light); }

.hero-visual { position: relative; }
.hero-visual img { border-radius: 8px; box-shadow: 20px 20px 0 var(--blue-light); }
.floating-card { position: absolute; bottom: -20px; left: -20px; background: var(--white); padding: 25px; border-radius: 4px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); border-left: 4px solid var(--blue); }
.floating-card strong { display: block; font-family: var(--font-head); font-size: 2rem; color: var(--blue); line-height: 1; }
.floating-card span { font-family: var(--font-head); font-size: 0.8rem; color: var(--slate); }

/* Focus Areas */
.section-header h2 { font-family: var(--font-head); font-size: 2.5rem; color: var(--blue-dark); margin-bottom: 10px; }
.wave-line { width: 60px; height: 4px; background: var(--blue); margin: 0 auto 40px; border-radius: 2px; }
.wave-line.left { margin: 20px 0 40px 0; }
.text-center { text-align: center; }

.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.focus-card { background: var(--white); padding: 40px 30px; border-radius: 8px; border: 1px solid #EEE; transition: 0.3s; }
.focus-card:hover { transform: translateY(-10px); box-shadow: 0 15px 30px rgba(0,82,147,0.1); border-color: var(--blue-light); }
.icon { font-size: 2.5rem; margin-bottom: 20px; }
.focus-card h3 { font-family: var(--font-head); font-size: 1.2rem; margin-bottom: 10px; color: var(--blue); }

/* Quote */
.quote-section { background: var(--blue-dark); color: var(--white); padding: 80px 0; text-align: center; }
.quote-section blockquote { font-family: var(--font-body); font-size: 2rem; font-style: italic; max-width: 800px; margin: 0 auto; }

/* About */
.about-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; }
.about-content h1 { font-family: var(--font-head); font-size: 3rem; line-height: 1.1; color: var(--blue-dark); }
.values-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 40px; }
.value-item { border-left: 3px solid var(--blue); padding-left: 20px; }
.value-item strong { display: block; font-family: var(--font-head); color: var(--blue); margin-bottom: 5px; }
.about-image img { border-radius: 8px; filter: grayscale(20%); }

/* Services List (Accordion Style Visuals) */
.services-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.service-item { background: var(--white); border: 1px solid #EEE; border-radius: 4px; overflow: hidden; box-shadow: 0 2px 5px rgba(0,0,0,0.02); }
.s-head { padding: 20px 30px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; background: #fff; }
.s-head h3 { font-family: var(--font-head); font-size: 1.2rem; color: var(--blue-dark); margin: 0; }
.toggle-icon { font-size: 1.5rem; color: var(--blue); font-weight: 300; }
.s-body { padding: 0 30px 20px; color: var(--slate); }

/* Contact */
.contact-wrapper { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; background: var(--white); padding: 60px; border-radius: 8px; box-shadow: 0 10px 40px rgba(0,0,0,0.05); }
.contact-info h2 { font-family: var(--font-head); font-size: 2.5rem; color: var(--blue-dark); margin-bottom: 20px; }
.address-box { margin-top: 40px; background: var(--blue-light); padding: 30px; border-radius: 4px; }
.address-box strong { font-family: var(--font-head); color: var(--blue); display: block; margin-bottom: 15px; }

.clean-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { margin-bottom: 20px; }
.field label { display: block; font-family: var(--font-head); font-size: 0.9rem; font-weight: 600; margin-bottom: 8px; color: var(--text); }
.field input, .field select, .field textarea { width: 100%; padding: 12px; border: 1px solid #DDD; border-radius: 4px; font-family: var(--font-head); color: var(--text); transition: 0.3s; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); outline: none; box-shadow: 0 0 0 3px var(--blue-light); }
.full { width: 100%; }

/* Legal */
.legal-content { max-width: 800px; margin: 0 auto; }
.legal-content h1 { font-family: var(--font-head); color: var(--blue-dark); }

/* Footer */
.rhine-footer { background: var(--blue-dark); color: #B0C4DE; padding: 60px 0 20px; margin-top: 100px; }
.footer-content { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
.f-brand h4 { font-family: var(--font-head); color: var(--white); font-size: 1.5rem; margin-bottom: 5px; }
.f-links a { margin-left: 20px; color: #B0C4DE; font-family: var(--font-head); font-size: 0.9rem; }
.f-links a:hover { color: var(--white); }
.copyright { text-align: center; font-size: 0.8rem; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; }

@media (max-width: 900px) {
    .hero-content h1 { font-size: 2.5rem; }
    .hero-content, .about-layout, .contact-wrapper { grid-template-columns: 1fr; }
    .cards-grid { grid-template-columns: 1fr; }
    .hero-visual { order: -1; margin-bottom: 30px; }
    .footer-content { flex-direction: column; gap: 20px; text-align: center; }
    .clean-form .form-row { grid-template-columns: 1fr; }
}