/* 
  Premium Detective Agency - Style System
  Color Palette: Deep Navy & Gold (Trust, Privacy, Luxury)
*/

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700&family=Playfair+Display:wght@700&display=swap');

:root {
    --primary-bg: #0a1128;
    /* Deep Navy */
    --secondary-bg: #121b33;
    --accent-gold: #d4af37;
    /* Metallic Gold */
    --accent-gold-hover: #b8962e;
    --text-main: #ffffff;
    --text-muted: #a0aec0;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --transition-fast: 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--primary-bg);
    color: var(--text-main);
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3 {
    font-family: 'Playfair Display', serif;
    letter-spacing: -0.02em;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--accent-gold);
}

.section-title span {
    display: block;
    font-size: 1rem;
    font-family: 'Noto Sans KR', sans-serif;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 17, 40, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-gold);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-links a:hover {
    color: var(--accent-gold);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(rgba(10, 17, 40, 0.7), rgba(10, 17, 40, 0.7)), url('hero_bg.png') center/cover;
    text-align: center;
    position: relative;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s forwards;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    animation: fadeInUp 1s 0.2s forwards;
    opacity: 0;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background-color: var(--accent-gold);
    color: var(--primary-bg);
    text-decoration: none;
    font-weight: 700;
    border-radius: 4px;
    transition: var(--transition-fast);
    animation: fadeInUp 1s 0.4s forwards;
    opacity: 0;
}

.cta-button:hover {
    background-color: var(--accent-gold-hover);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.3);
}

/* Services */
.services {
    padding: 100px 0;
    background-color: var(--secondary-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--glass-bg);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-fast);
    text-align: center;
}

.service-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-10px);
}

.service-card i {
    font-size: 3rem;
    color: var(--accent-gold);
    margin-bottom: 20px;
    display: block;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Process Section */
.process {
    padding: 100px 0;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.process-item {
    background: var(--glass-bg);
    padding: 30px;
    border-radius: 8px;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.process-item .step {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2.5rem;
    font-family: 'Playfair Display', serif;
    color: var(--accent-gold);
    opacity: 0.3;
}

.process-item h4 {
    font-size: 1.25rem;
    color: var(--accent-gold);
    margin-bottom: 15px;
}

.process-item p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background-color: var(--secondary-bg);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-item h4 {
    font-size: 1.15rem;
    color: var(--accent-gold);
    margin-bottom: 10px;
}

.faq-item p {
    color: var(--text-muted);
    font-size: 1rem;
}

/* Location Coverage */
.location-coverage {
    padding: 50px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.contact {
    padding: 100px 0;
}

.contact-info {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    background: var(--glass-bg);
    padding: 50px;
    border-radius: 12px;
}

.phone-link {
    font-size: 2.5rem;
    color: var(--accent-gold);
    text-decoration: none;
    font-weight: 700;
    margin: 20px 0;
    display: block;
}

/* Floating Action Button */
.fab {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 65px;
    height: 65px;
    background-color: var(--accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: var(--transition-fast);
    text-decoration: none;
}

.fab:hover {
    transform: scale(1.1);
}

.fab i {
    font-size: 24px;
    color: var(--primary-bg);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .contact-info {
        padding: 30px 20px;
    }

    .phone-link {
        font-size: 1.6rem;
        white-space: nowrap;
    }
}