@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;800&family=Outfit:wght@500;700;900&display=swap');

:root {
  /* Ultra Premium Palette */
  --color-primary: #0A1929; /* Extremely deep navy almost black */
  --color-secondary: #00D4FF; /* Vibrant cyan */
  --color-accent: #0066CC; 
  --color-gold: #D4AF37; /* The requested luxury accent */
  --color-gold-light: #F3E5AB;
  
  --color-background: #F8FAFC; 
  --color-surface: #FFFFFF;
  --color-surface-dark: #111827;
  
  --color-text: #0F172A;
  --color-text-light: #475569;
  --color-text-inverse: #F8FAFC;
  
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-shadow: 0 10px 40px -10px rgba(10, 25, 41, 0.15);
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --transition-smooth: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* Utilities */
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-gold {
  color: var(--color-gold);
}
.text-primary {
  color: var(--color-primary);
}
.text-light {
  color: var(--color-text-inverse);
}
.mt-4 { margin-top: 1.5rem; }

/* Badges & Accents */
.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(10, 25, 41, 0.05);
    border: 1px solid rgba(10, 25, 41, 0.1);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
    color: var(--color-primary);
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-gold);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.section-subtitle::before, .section-subtitle::after {
    content: '';
    display: inline-block;
}
.section-subtitle::before {
    width: 30px; height: 2px;
    background: var(--color-gold);
}

/* Navbar (Ultra Sleek) */
.navbar {
  position: fixed;
  top: 0; width: 100%;
  padding: 1.5rem 5%;
  display: flex; justify-content: space-between; align-items: center;
  z-index: 1000;
  transition: var(--transition-smooth);
}
.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0,0,0,0.03);
  padding: 1rem 5%;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.nav-logo {
  display: flex; align-items: center;
  text-decoration: none;
}
.logo-mark {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--color-gold);
    letter-spacing: -0.5px;
}

.nav-links {
  display: flex; gap: 2.5rem; list-style: none;
}
.nav-links a {
  text-decoration: none; color: var(--color-text);
  font-weight: 600; font-size: 0.95rem;
  transition: var(--transition-fast);
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -5px; left: 0;
  width: 0%; height: 2px; background: var(--color-gold);
  transition: var(--transition-smooth);
}
.nav-links a:hover { color: var(--color-primary); }
.nav-links a:hover::after { width: 100%; }

/* Buttons */
.btn-primary {
  background: var(--color-primary);
  color: white;
  padding: 1rem 2.2rem;
  border-radius: 4px; /* More architectural than fully rounded */
  text-decoration: none; font-weight: 600; font-size: 0.95rem;
  border: none; cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: 0 10px 20px rgba(10, 25, 41, 0.15);
  display: inline-flex; justify-content: center; align-items: center;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(10, 25, 41, 0.25);
  background: #1e3a5f;
}
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  padding: 1rem 2.2rem;
  border-radius: 4px;
  text-decoration: none; font-weight: 600; font-size: 0.95rem;
  border: 2px solid var(--color-primary);
  cursor: pointer;
  transition: var(--transition-smooth);
}
.btn-secondary:hover {
  background: var(--color-primary);
  color: white;
}
.gold-btn {
    background: var(--color-gold);
    color: #fff;
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.2);
}
.gold-btn:hover {
    background: #C5A029;
    box-shadow: 0 15px 30px rgba(212, 175, 55, 0.3);
}

/* Link Animate */
.link-animate {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 800;
    text-decoration: none;
    font-size: 1.1rem;
    margin-top: 2rem;
    position: relative;
    padding-bottom: 5px;
}
.link-animate::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 20px; height: 2px; background: var(--color-gold);
    transition: var(--transition-smooth);
}
.link-animate:hover::after { width: 100%; }

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 8rem 5% 4rem;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background-image: 
    linear-gradient(to right, rgba(248, 250, 252, 0.98) 0%, rgba(248, 250, 252, 0.9) 35%, rgba(248, 250, 252, 0) 65%),
    radial-gradient(rgba(10, 25, 41, 0.1) 1px, transparent 1px),
    url('../images/hero.jpg');
  background-size: 100% 100%, 4px 4px, cover;
  background-position: left top, left top, center;
  background-repeat: no-repeat, repeat, no-repeat;
  background-attachment: fixed, fixed, scroll;
  z-index: -1;
}

.hero-content {
  max-width: 650px;
  animation: fadeUp 1s ease-out forwards;
}
.hero h1 { font-size: 5rem; margin-bottom: 1.5rem; letter-spacing: -2px; line-height: 1; }
.hero p { font-size: 1.35rem; color: var(--color-text-light); margin-bottom: 3rem; font-weight: 300; }
.hero-cta { display: flex; gap: 1rem; margin-bottom: 4rem; }

.trust-bar {
    display: flex; gap: 3rem; margin-top: auto;
    padding-top: 3rem; border-top: 1px solid rgba(10, 25, 41, 0.1);
    animation: fadeUp 1.2s ease-out forwards;
    opacity: 0;
}
.trust-bar span {
    display: flex; align-items: center; gap: 0.8rem;
    font-weight: 600; color: var(--color-primary); font-size: 0.95rem;
}
.trust-bar svg { color: var(--color-gold); }

/* Split Sections (Science & Installation) */
.split-section {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6rem;
  padding: 10rem 5%; background: var(--color-surface);
}
.split-section.reversed { flex-direction: row-reverse; }
.split-section.dark-section {
    background: var(--color-primary); color: var(--color-text-inverse);
}
.split-image-container { flex: 1; min-width: 300px; position: relative; }
.split-content { flex: 1; min-width: 300px; }

.split-content h2 { font-size: 3.5rem; margin-bottom: 2rem; }
.split-content .lead-text { font-size: 1.25rem; font-weight: 300; margin-bottom: 2rem; line-height: 1.8; }
.split-content p { color: var(--color-text-light); font-size: 1.1rem; margin-bottom: 1.5rem; }
.dark-section .split-content p { color: rgba(255,255,255,0.7); }

/* Image Wrappers */
.image-wrapper { position: relative; border-radius: 4px; }
.split-image { width: 100%; border-radius: 4px; box-shadow: 0 30px 60px rgba(0,0,0,0.1); display: block; object-fit: cover; }
.with-decoration::before {
    content: ''; position: absolute; top: -20px; left: -20px;
    width: 100px; height: 100px;
    border-top: 4px solid var(--color-gold); border-left: 4px solid var(--color-gold);
    z-index: 1;
}

/* Floating Elements */
.floating-badge {
    position: absolute; bottom: 30px; left: -30px;
    background: var(--glass-bg); backdrop-filter: blur(10px);
    padding: 1.5rem 2rem; border-radius: 4px;
    box-shadow: var(--glass-shadow); font-weight: 800;
    color: var(--color-primary); letter-spacing: 2px;
    text-transform: uppercase; border-left: 4px solid var(--color-gold);
}
.floating-stat {
    position: absolute; top: 40px; right: -40px;
    background: var(--color-surface);
    padding: 2rem; border-radius: 4px; text-align: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}
.floating-stat h4 { font-size: 3rem; color: var(--color-gold); margin-bottom: 0.5rem; }
.floating-stat p { margin: 0; font-weight: 600; color: var(--color-primary); text-transform: uppercase; font-size: 0.85rem; letter-spacing: 1px; }

/* Stats Grid */
.stats-grid { display: flex; gap: 2rem; margin: 3rem 0; }
.stat-box {
    flex: 1; border-left: 2px solid var(--color-gold); padding-left: 1.5rem;
}
.stat-box .stat-number { display: block; font-size: 2.5rem; font-weight: 900; color: var(--color-primary); font-family: var(--font-heading); line-height: 1; margin-bottom: 0.5rem; }
.stat-box .stat-label { display: block; font-size: 0.85rem; font-weight: 800; text-transform: uppercase; color: var(--color-text-light); letter-spacing: 1px; margin-bottom: 1rem; }
.stat-box p { font-size: 0.95rem; margin: 0; }

/* Luxury List */
.luxury-list { list-style: none; margin-top: 3rem; }
.luxury-list li {
    font-size: 1.2rem; font-weight: 300; display: flex; align-items: center; gap: 1.5rem; margin-bottom: 1.5rem;
}
.luxury-list span { color: var(--color-gold); font-size: 1.5rem; }

/* Premium Services Grid */
.premium-services {
    padding: 10rem 5%; position: relative; background: var(--color-background);
}
.watermark-text {
    position: absolute; top: 0; left: 5%;
    font-size: 18vw; font-family: var(--font-heading); font-weight: 900;
    color: rgba(10, 25, 41, 0.02); line-height: 1; z-index: 0; pointer-events: none;
}
.section-header.center { text-align: center; max-width: 800px; margin: 0 auto 6rem; position: relative; z-index: 1; }
.section-header.center .section-subtitle { justify-content: center; }
.section-header.center .section-subtitle::before, .section-header.center .section-subtitle::after { content: ''; width: 30px; height: 2px; background: var(--color-gold); }
.section-header.center h2 { font-size: 3.5rem; margin-bottom: 1.5rem; }
.section-header.center p { font-size: 1.25rem; color: var(--color-text-light); }

.staggered-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 3rem; position: relative; z-index: 1;
}
.luxury-card {
    background: var(--color-surface);
    padding: 4rem 3rem; border-radius: 4px;
    border: 1px solid rgba(0,0,0,0.05);
    position: relative; overflow: hidden;
    transition: var(--transition-smooth);
}
.luxury-card:hover { border-color: var(--color-gold); transform: translateY(-10px); box-shadow: 0 30px 60px rgba(0,0,0,0.08); }
.card-glow {
    position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(212,175,55,0.03) 0%, transparent 60%);
    opacity: 0; transition: opacity 0.5s; pointer-events: none;
}
.luxury-card:hover .card-glow { opacity: 1; }

.gold-icon {
    font-size: 3rem; margin-bottom: 2rem; display: inline-block;
    background: -webkit-linear-gradient(135deg, var(--color-gold), #FFF8D6);
    background-clip: text;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.luxury-card h3 { font-size: 1.8rem; margin-bottom: 1rem; color: var(--color-primary); }

/* Contact Section with highly advanced input fields */
.contact-section { padding: 10rem 5%; background: var(--color-surface); }
.contact-grid { display: flex; flex-wrap: wrap; gap: 6rem; max-width: 1200px; margin: 0 auto; align-items: center; }
.contact-info { flex: 1; min-width: 300px; }
.contact-info h2 { font-size: 4rem; margin-bottom: 2rem; color: var(--color-primary); }
.contact-info p { font-size: 1.2rem; color: var(--color-text-light); line-height: 1.8; margin-bottom: 3rem; }

.contact-details p { margin-bottom: 1rem; font-size: 1.1rem; color: var(--color-primary); border-bottom: 1px solid rgba(0,0,0,0.05); padding-bottom: 1rem; }

.contact-form-wrapper { flex: 1; min-width: 300px; }
.glasser {
    background: var(--color-background); padding: 4rem; box-shadow: 0 30px 60px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.03); border-radius: 4px; border-top: 4px solid var(--color-gold);
}

.luxury-form .form-group { position: relative; margin-bottom: 2.5rem; }
.luxury-form input {
    width: 100%; padding: 1rem 0; background: transparent; border: none; outline: none;
    font-size: 1.1rem; color: var(--color-primary); font-family: var(--font-body);
}
.luxury-form label {
    position: absolute; left: 0; top: 1rem; color: var(--color-text-light);
    transition: var(--transition-fast); pointer-events: none; font-size: 1.1rem;
}
.luxury-form input:focus ~ label, .luxury-form input:not(:placeholder-shown) ~ label {
    top: -1.2rem; font-size: 0.85rem; color: var(--color-gold); font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
}
.form-line { position: absolute; bottom: 0; left: 0; width: 100%; height: 1px; background: rgba(0,0,0,0.1); }
.form-line::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 0%; height: 2px; background: var(--color-gold);
    transition: var(--transition-smooth);
}
.luxury-form input:focus ~ .form-line::after { width: 100%; }

/* Advanced Footer */
.advanced-footer { background: var(--color-primary); color: #fff; padding: 6rem 5% 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 4rem; margin-bottom: 6rem; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 4rem; }
.footer-brand h3 { color: var(--color-gold); font-size: 2rem; margin-bottom: 1rem; }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 1.1rem; max-width: 400px; }
.footer-links h4 { font-size: 1.1rem; margin-bottom: 2rem; letter-spacing: 2px; text-transform: uppercase; color: #fff; }
.footer-links a { display: block; color: rgba(255,255,255,0.6); text-decoration: none; margin-bottom: 1rem; transition: var(--transition-fast); }
.footer-links a:hover { color: var(--color-gold); transform: translateX(5px); }
.footer-bottom { text-align: center; color: rgba(255,255,255,0.3); font-size: 0.9rem; }

/* Reveal Animations Classes for JS */
.reveal-up, .reveal-left, .reveal-right { opacity: 0; transition: all 1s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal-up { transform: translateY(80px); }
.reveal-left { transform: translateX(-80px); }
.reveal-right { transform: translateX(80px); }

.reveal-up.active, .reveal-left.active, .reveal-right.active { opacity: 1; transform: translate(0); }

/* Keyframes */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
  .hero h1 { font-size: 3.5rem; }
  .split-section { gap: 4rem; }
  .floating-stat, .floating-badge, .watermark-text { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .trust-bar { flex-direction: column; gap: 1rem; animation: none; opacity: 1; }
  .contact-grid { flex-direction: column; }
}

/* FAQ Section */
.faq-section {
    padding: 8rem 5%;
    background: var(--color-background);
}
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}
.luxury-faq {
    background: var(--color-surface);
    margin-bottom: 1.5rem;
    border-radius: 4px;
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition-smooth);
    overflow: hidden;
}
.luxury-faq:hover {
    border-color: var(--color-gold);
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
}
.luxury-faq summary {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    padding: 1.5rem 2rem;
    cursor: pointer;
    list-style: none;
    position: relative;
    user-select: none;
}
.luxury-faq summary::-webkit-details-marker { display: none; }
.luxury-faq summary::after {
    content: '+';
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--color-gold);
    transition: var(--transition-fast);
}
.luxury-faq[open] summary::after {
    content: '−';
}
.faq-content {
    padding: 0 2rem 1.5rem;
    color: var(--color-text-light);
    line-height: 1.8;
}