:root {
    --bg-color: #0A0A0A;
    --text-color: #F8F8F8;
    --accent-gold: #C9A96E;
    --card-bg: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.1);
    --transition: cubic-bezier(0.19, 1, 0.22, 1);
    --font-serif: 'Fractul', serif; /* Modern sophisticated typeface */
    --font-heading: 'Outfit', 'Noto Sans KR', sans-serif;
    --font-sans: 'Outfit', 'Noto Sans KR', sans-serif;
    --container-width: 1400px;
    --section-padding: 160px 0;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-sans);
    line-height: 1.7; /* Slightly more breathable */
    overflow-x: hidden;
    letter-spacing: -0.01em; /* Tighter for sophistication */
}

/* Typography */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.hero-title {
    font-weight: 800;
}

.section-title {
    font-size: clamp(2.8rem, 6vw, 4.8rem);
    line-height: 1.05;
    margin-bottom: 35px;
    letter-spacing: -0.03em;
    text-align: center; /* Centering titles globally */
}

.section-badge {
    display: inline-block;
    font-size: 1.45rem; /* Increased as requested */
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--accent-gold);
    margin-bottom: 25px;
    opacity: 1; /* Make it pop */
    text-transform: uppercase;
}

.badge-gold {
    color: var(--accent-gold);
}

.badge-purple {
    color: #8B5CF6; /* Bold purple */
}

.text-center { text-align: center; }

/* Grid Layouts */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 5%;
}

.grid {
    display: grid;
    gap: 30px;
}

/* Navbar */
.navbar {
    position: fixed; /* Sticky top */
    top: 0;
    width: 100%;
    height: 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    z-index: 2100; /* Higher than everything else */
    transition: all 0.4s ease;
    background: transparent;
}

.logo a {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo img {
    height: 32px; /* Balanced height for premium agency logo */
    width: auto;
    display: block;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05); /* Subtle interactive effect */
}

/* Hamburger Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 2001;
    padding: 10px;
}

.menu-toggle span {
    width: 32px; /* Slightly larger */
    height: 2px; /* Thicker for clarity */
    background-color: white;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(10px);
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: #0A0A0A;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 40px;
    transition: all 0.5s var(--transition);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu a {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: white;
    text-decoration: none;
    letter-spacing: 0.1em;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 35px;
    font-size: 1.15rem; /* Larger as requested */
    font-weight: 500;
    letter-spacing: 0.1em;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.nav-links a.nav-marketing,
.nav-links a.nav-join {
    color: var(--accent-gold);
    border: 1px solid var(--accent-gold);
    padding: 10px 20px;
    margin-left: 15px;
    opacity: 1;
    font-weight: 700;
    transition: all 0.3s ease;
}

.nav-links a.nav-marketing:hover,
.nav-links a.nav-join:hover {
    background: var(--accent-gold);
    color: black;
}

.nav-links a:hover {
    opacity: 1;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(to bottom, #111, #0A0A0A);
}

.hero::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1522335789203-aabd1fc0452f?auto=format&fit=crop&q=80&w=2000') no-repeat center center;
    background-size: cover;
    opacity: 0.2;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding-top: 100px; /* Room for fixed navbar */
}

.hero-title {
    font-size: clamp(3rem, 10vw, 8rem);
    line-height: 1;
    margin: 20px 0;
    letter-spacing: -0.01em;
    opacity: 0;
    transform: translateY(50px);
    animation: fadeInUp 1.5s var(--transition) forwards;
}

.hero-title .accent {
    color: var(--accent-gold);
    font-style: italic;
    font-weight: 400;
}

.reveal-text {
    font-size: 1rem;
    letter-spacing: 0.5em;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeIn 2s var(--transition) forwards;
}

.hero-subtitle {
    font-size: 1.4rem;
    font-weight: 300;
    letter-spacing: 0.15em;
    margin-top: 30px;
    opacity: 0.9;
}

.hero-btns {
    margin-top: 40px;
}

.scroll-indicator {
    position: absolute;
    bottom: 5vh; /* Fixed at bottom of viewport */
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    opacity: 0.6;
    z-index: 10;
}

.scroll-indicator span {
    font-size: 0.6rem;
    letter-spacing: 0.2rem;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid white;
    border-radius: 20px;
    position: relative;
}

.mouse::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 5px;
    width: 2px;
    height: 10px;
    background: white;
    transform: translateX(-50%);
    animation: mouseScroll 2s infinite;
}

/* About Section */
.section {
    padding: var(--section-padding);
}

.section-subtitle {
    max-width: 900px;
    margin: 0 auto 60px; /* Standardize centering */
    font-size: 1.3rem;
    opacity: 0.9;
    font-weight: 300;
    line-height: 1.7;
    word-break: keep-all;
    text-align: center; /* Center-align text naturally */
}

.section-subtitle p {
    margin-bottom: 20px;
}

.stats-grid {
    grid-template-columns: repeat(3, 1fr);
    margin-top: 80px;
}

.stat-item {
    padding: 40px;
    border-right: 1px solid var(--border-color);
}

.stat-item:last-child {
    border-right: none;
}

.stat-number {
    display: block;
    font-size: 4rem;
    font-family: var(--font-serif);
    color: var(--accent-gold);
}

.stat-label {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    opacity: 0.6;
}

/* Influencers Grid */
.section-header {
    display: flex;
    flex-direction: column;
    align-items: center; /* Center by default */
    gap: 15px;
    margin-bottom: 80px;
    text-align: center;
}

/* Section subtitle styles merged above */

.influencer-grid {
    grid-template-columns: repeat(4, 1fr);
}

.influencer-card {
    position: relative;
    overflow: hidden;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    transition: transform 0.6s var(--transition);
}

.image-wrapper {
    width: 100%;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    background: linear-gradient(180deg, #1A1A1A 0%, #0D0D0D 100%); /* Sophisticated placeholder bg */
}

.influencer-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s var(--transition);
    filter: grayscale(10%) contrast(110%);
}

.card-content {
    background: linear-gradient(to top, rgba(0,0,0,1) 0%, rgba(0,0,0,0.8) 60%, transparent 100%);
    padding: 20px 25px 20px;
    margin-top: -110px; /* Reduced from -140px to lower the block */
    position: relative;
    z-index: 2;
    text-align: center;
}

.content-style {
    font-size: 0.85rem;
    color: var(--accent-gold);
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.influencer-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.meta {
    display: flex;
    justify-content: center; /* Center as requested */
    align-items: center;
    gap: 12px;
    font-size: 1.1rem; /* Larger */
    opacity: 0.9;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 15px;
    margin-top: 5px;
}

.meta .platform svg {
    width: 20px; /* Larger icon */
    height: 20px;
    display: block;
}

.meta .followers {
    font-weight: 600;
    letter-spacing: 0.05em;
}

.influencer-card:hover {
    transform: translateY(-10px);
}

.influencer-card:hover img {
    transform: scale(1.1);
}

/* Benefits Section */
.benefits-grid {
    grid-template-columns: repeat(4, 1fr);
    margin-top: 60px;
}

.benefit-card {
    padding: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    transition: background 0.4s ease;
}

.benefit-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-gold);
}

.benefit-icon {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--accent-gold);
}

.benefit-card h3 {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.benefit-card p {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* CTA Blocks */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.cta-block {
    padding: 100px 10%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: 1px solid var(--border-color);
}

.brand-cta {
    background: #111;
}

.join-cta {
    background: #0A0A0A;
}

.cta-block p {
    margin-bottom: 40px;
    font-size: 1.1rem;
    opacity: 0.8;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 18px 40px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: all 0.3s var(--transition);
    max-width: fit-content;
}

.btn-gold {
    background: var(--accent-gold);
    color: #000;
}

.btn-outline {
    border: 1px solid white;
    color: white;
}

.btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(201, 169, 110, 0.2);
}

/* Footer */
.footer {
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.footer-logo {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.footer-desc {
    opacity: 0.7; /* Increased for visibility */
    font-size: 1.05rem; /* Larger */
}

.footer-links a {
    color: white;
    text-decoration: none;
    margin-left: 30px;
    font-size: 1.15rem; /* Larger as requested */
    font-weight: 700;
    opacity: 0.8; /* More visible */
    transition: opacity 0.3s ease;
}

.footer-copy {
    margin-top: 25px;
    font-size: 0.95rem; /* Clearly visible now */
    opacity: 0.5; /* Balanced opacity */
    text-align: right;
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(50px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes mouseScroll {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 15px); opacity: 0; }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s var(--transition);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Results Section */
.results-stats {
    grid-template-columns: repeat(3, 1fr);
    margin: 60px 0 100px;
    text-align: center;
}

.result-stat-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.result-value {
    font-size: 5rem;
    font-family: var(--font-serif);
    color: var(--accent-gold);
    line-height: 1;
}

.result-value small {
    font-size: 1.5rem;
}

.result-label {
    font-size: 1rem;
    opacity: 0.7;
    letter-spacing: 0.1em;
}

/* Process Steps */
.process-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.step {
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    position: relative;
}

.step-num {
    position: absolute;
    top: -15px;
    left: 0;
    background: var(--bg-color);
    padding-right: 15px;
    font-family: var(--font-serif);
    color: var(--accent-gold);
    font-weight: 700;
    font-size: 1.2rem;
}

.step h3 {
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.step p {
    font-size: 0.95rem;
    opacity: 0.6;
}

/* Sub-section Distinction */
.sub-separator {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    width: 80%;
    margin: 0 auto;
}

.sub-bg {
    background-color: #0F0F0F; /* Slightly lighter than main black */
}

.align-center {
    align-items: center;
}

.benefits-grid-mini {
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.benefit-mini {
    padding: 30px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
}

.benefit-mini .icon {
    font-size: 2.2rem; /* Significantly larger */
    margin-bottom: 20px;
    display: block;
}

.benefit-mini h4 {
    margin-bottom: 12px;
    font-size: 1.35rem; /* Larger */
    color: white;
    font-weight: 700;
}

.benefit-mini p {
    font-size: 1rem; /* Larger sub-text */
    opacity: 0.6;
    line-height: 1.5;
}

/* Creator Theme (Bright/Light Special Section) */
.creator-theme {
    background: radial-gradient(circle at 100% 0%, #F5F0FF 0%, #FFFFFF 100%);
    color: #0A0A0A;
}

.creator-theme .section-title {
    color: #0A0A0A;
}

.creator-theme .section-subtitle {
    color: #4A4A4A;
}

.creator-theme .benefit-mini {
    background: #FFFFFF;
    border: none;
    box-shadow: 0 10px 40px rgba(109, 40, 217, 0.05); /* Very soft purple shadow */
    transition: transform 0.4s var(--transition), box-shadow 0.4s var(--transition);
}

.creator-theme .benefit-mini:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(109, 40, 217, 0.12);
}

.creator-theme .benefit-mini h4 {
    color: #0A0A0A;
}

.creator-theme .benefit-mini p {
    color: #666666;
}

.creator-theme .benefit-mini .icon {
    display: flex; /* Centering SVG */
    justify-content: center;
    margin-bottom: 25px;
}

.creator-theme .benefit-mini .icon svg {
    stroke: #8B5CF6; /* High-end purple stroke */
    filter: drop-shadow(0 4px 8px rgba(139, 92, 246, 0.25)); /* Better depth */
    transition: transform 0.3s ease;
}

.creator-theme .benefit-mini:hover .icon svg {
    transform: scale(1.15) rotate(-5deg); /* Playful hover effect for creators */
}

.btn-purple {
    display: inline-block;
    padding: 18px 45px;
    background-color: #7C3AED; /* Rich Purple */
    color: white;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.05em;
    border-radius: 50px; /* Fully rounded for 'modern' feel */
    transition: all 0.4s var(--transition);
    box-shadow: 0 10px 30px rgba(124, 58, 237, 0.3);
}

.btn-purple:hover {
    background-color: #6D28D9;
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(124, 58, 237, 0.5);
    color: white;
}
@media (max-width: 1280px) {
    .influencer-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
    :root { --section-padding: 100px 0; }
    .benefits-grid, .results-stats, .process-steps { grid-template-columns: repeat(2, 1fr); }
    .benefits-grid-mini { grid-template-columns: repeat(2, 1fr); }
    .grid-2 { grid-template-columns: 1fr; }
    .cta-block { padding: 80px 5%; }
    .results-stats { gap: 50px; }
}

@media (max-width: 768px) {
    .menu-toggle { display: flex; }
    .influencer-grid { grid-template-columns: repeat(2, 1fr); gap: 15px; }
    .stats-grid, .results-stats, .process-steps { grid-template-columns: 1fr; gap: 40px; }
    .benefits-grid-mini { grid-template-columns: 1fr; }
    .stat-item { border-right: none; border-bottom: 1px solid var(--border-color); padding: 30px; }
    .section-header { flex-direction: column; align-items: center; text-align: center; gap: 15px; } /* Centering fixed */
    .navbar { height: 70px; }
    .nav-links { display: none; }
    .section-padding { padding: 80px 0; }
    .hero-title { font-size: 3.5rem; } /* Slightly smaller for mobile title fit */
    .hero-subtitle { font-size: 1.1rem; }
    .result-value { font-size: 4rem; }
}

@media (max-width: 480px) {
    .influencer-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .influencer-card h3 { font-size: 1rem; }
    .category, .content-style { font-size: 0.65rem; }
    .card-content { padding: 15px; margin-top: -80px; }
    .hero-title { font-size: 3.2rem; }
    .section-title { font-size: 2.2rem; }
    .about-description { font-size: 1.15rem; }
    .footer-content { flex-direction: column; gap: 40px; }
    .footer-links { display: flex; flex-direction: column; gap: 10px; margin-left: 0; }
    .footer-links a { margin-left: 0; margin-right: 20px; }
    .benefits-grid-mini { grid-template-columns: 1fr; }
}