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

:root {
    /* Color System */
    --primary: #0a2540;
    --primary-light: #1e3a8a;
    --primary-glow: rgba(30, 58, 138, 0.15);
    --secondary: #00d4b2;
    --secondary-dark: #00a88f;
    --accent-red: #ff4a5a;
    --accent-kakao: #fee500;
    --accent-kakao-dark: #e6cf00;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-white: #ffffff;
    --bg-main: #f8fafc;
    --bg-white: #ffffff;
    --bg-gray: #f1f5f9;
    --bg-dark: #0f172a;
    --border-color: #e2e8f0;
    
    /* Layout & Fonts */
    --font-ko: 'Noto Sans KR', sans-serif;
    --font-en: 'Outfit', sans-serif;
    --max-width: 1200px;
    --header-height: 80px;
    
    /* Transitions & Shadows */
    --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 10px 30px rgba(10, 37, 64, 0.08);
    --shadow-lg: 0 20px 40px rgba(10, 37, 64, 0.12);
    --shadow-kakao: 0 8px 24px rgba(254, 229, 0, 0.3);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

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

body {
    font-family: var(--font-ko);
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Common Components & Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    width: 100%;
}

.section-padding {
    padding: 100px 0;
}

.section-title-wrap {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    font-family: var(--font-en);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--secondary-dark);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    display: block;
}

.section-title {
    font-size: 2.25rem;
    color: var(--primary);
    position: relative;
    display: inline-block;
}

.section-title span {
    color: var(--secondary-dark);
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: 16px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--text-white);
    box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(30, 58, 138, 0.3);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--primary);
    box-shadow: 0 4px 14px rgba(0, 212, 178, 0.25);
}

.btn-secondary:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 168, 143, 0.4);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-main);
}

.btn-outline:hover {
    background-color: var(--primary);
    border-color: var(--primary);
    color: var(--text-white);
    transform: translateY(-3px);
}

/* Header & Navigation */
header {
    height: var(--header-height);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    transition: var(--transition-smooth);
}

header.scrolled {
    height: 70px;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

header .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link img {
    height: 40px;
    transition: var(--transition-smooth);
}

header.scrolled .logo-link img {
    height: 35px;
}

nav ul {
    display: flex;
    gap: 32px;
}

nav a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-main);
    transition: var(--transition-smooth);
    position: relative;
    padding: 8px 0;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-light);
    transition: var(--transition-smooth);
}

nav a:hover, nav a.active {
    color: var(--primary-light);
}

nav a:hover::after, nav a.active::after {
    width: 100%;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.phone-info {
    font-family: var(--font-en);
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-white);
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--primary);
    padding: 8px 16px;
    border-radius: 50px;
    border: 1px solid var(--primary-light);
    box-shadow: 0 4px 10px rgba(10, 37, 64, 0.15);
    transition: var(--transition-smooth);
}

.phone-info:hover {
    background-color: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(30, 58, 138, 0.25);
}

.phone-info i {
    color: var(--secondary);
}

/* Hero / Visual Section */
.hero {
    padding-top: calc(var(--header-height) + 40px);
    padding-bottom: 80px;
    background: radial-gradient(circle at 80% 20%, rgba(0, 212, 178, 0.08) 0%, rgba(30, 58, 138, 0.05) 50%, var(--bg-main) 100%);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 620px;
}

.hero-tag {
    display: inline-block;
    padding: 6px 16px;
    background-color: var(--primary-glow);
    color: var(--primary-light);
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 3rem;
    color: var(--primary);
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-btns {
    display: flex;
    gap: 16px;
}

.hero-image {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 37, 64, 0.4), transparent);
}

/* Feature 1: Article PR Section */
.article-pr {
    background-color: var(--bg-white);
}

.article-pr-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
    margin-top: 50px;
}

.article-pr-text h3 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.article-pr-text p {
    color: var(--text-muted);
    margin-bottom: 30px;
    font-size: 1.05rem;
}

.trust-badge {
    background-color: #fff1f2;
    border-left: 4px solid var(--accent-red);
    padding: 16px 20px;
    border-radius: 0 12px 12px 0;
    margin-bottom: 30px;
}

.trust-badge p {
    margin: 0;
    color: #9f1239;
    font-weight: 700;
    font-size: 1.1rem;
}

.feature-list {
    display: grid;
    gap: 20px;
}

.feature-item {
    display: flex;
    gap: 16px;
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background-color: rgba(0, 212, 178, 0.1);
    color: var(--secondary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.feature-info h4 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 4px;
}

.feature-info p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin: 0;
}

.article-pr-visual {
    background-color: var(--bg-gray);
    border-radius: 24px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    position: relative;
}

/* Fact Check Section */
.fact-check {
    background-color: var(--primary);
    color: var(--text-white);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.fact-check::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 70%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 178, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.fact-check-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: center;
}

.fact-check-title h2 {
    font-size: 2.5rem;
    line-height: 1.2;
}

.fact-check-title span {
    color: var(--secondary);
}

.fact-check-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.fact-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 16px;
    transition: var(--transition-smooth);
}

.fact-card:hover {
    background-color: rgba(255, 255, 255, 0.08);
    transform: translateY(-5px);
}

.fact-card-num {
    font-family: var(--font-en);
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 16px;
    display: block;
}

.fact-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.fact-card p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

.fact-card.full-width {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(255, 74, 90, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-color: rgba(255, 74, 90, 0.3);
}

.fact-card.full-width .fact-card-num {
    color: var(--accent-red);
}

/* Partners Section */
.partners {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    position: relative;
    overflow: hidden;
}

.partners::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 70%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 178, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.partners .section-title {
    color: var(--text-white);
}

.partners .section-desc {
    color: rgba(255, 255, 255, 0.7);
}

.partners .section-subtitle {
    color: var(--secondary);
}

.partners-intro {
    max-width: 600px;
    margin: 0 auto 50px;
    text-align: center;
}

.partners-tab-container {
    background-color: var(--bg-white);
    border-radius: 24px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 2;
}

.partners-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.tab-btn {
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.95rem;
    background: none;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-smooth);
    color: var(--text-muted);
}

.tab-btn.active, .tab-btn:hover {
    background-color: var(--primary);
    border-color: var(--primary);
    color: var(--text-white);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.partner-card {
    background-color: var(--bg-gray);
    padding: 16px;
    border-radius: 12px;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-main);
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.partner-card a {
    display: block;
    width: 100%;
}

.partner-card:hover {
    background-color: var(--bg-white);
    border-color: var(--secondary);
    color: var(--primary-light);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

/* Viral Section */
.viral {
    background-color: var(--bg-white);
}

.viral-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
}

.viral-content h3 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 24px;
}

.viral-content p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 30px;
}

.viral-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.viral-card {
    background-color: var(--bg-gray);
    padding: 24px;
    border-radius: 16px;
    transition: var(--transition-smooth);
}

.viral-card:hover {
    background-color: var(--bg-main);
    transform: translateY(-5px);
}

.viral-card-icon {
    font-size: 1.5rem;
    color: var(--primary-light);
    margin-bottom: 16px;
}

.viral-card h3, .viral-card h4 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.viral-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
}

.viral-image {
    background: radial-gradient(circle, rgba(0, 212, 178, 0.1) 0%, transparent 70%);
    padding: 30px;
    display: flex;
    justify-content: center;
}

.viral-image img {
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

/* SEO & Search Ads Section */
.seo-section {
    background-color: var(--bg-gray);
}

.seo-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: flex-start;
}

.seo-tab-nav {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.seo-tab-link {
    background-color: var(--bg-white);
    padding: 24px;
    border-radius: 16px;
    cursor: pointer;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
    text-align: left;
}

.seo-tab-link.active {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    background: linear-gradient(to right, var(--bg-white), rgba(30, 58, 138, 0.02));
}

.seo-tab-link h4 {
    font-size: 1.15rem;
    color: var(--primary);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.seo-tab-link h4 i {
    color: var(--text-muted);
}

.seo-tab-link.active h4 i {
    color: var(--secondary-dark);
}

.seo-tab-link p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

.seo-tab-content-wrap {
    background-color: var(--bg-white);
    border-radius: 24px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    min-height: 400px;
}

.seo-tab-content {
    display: none;
}

.seo-tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.seo-steps {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 24px;
}

.seo-step-card {
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 12px;
}

.seo-step-card h5 {
    color: var(--primary-light);
    font-size: 1rem;
    margin-bottom: 8px;
}

.seo-step-card ul {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: grid;
    gap: 6px;
}

.seo-step-card ul li::before {
    content: '•';
    color: var(--secondary-dark);
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

.seo-benefits {
    margin-top: 30px;
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
}

.seo-benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-weight: 500;
}

.seo-benefit-item i {
    color: var(--accent-red);
}

/* Pricing / Event Section */
.pricing {
    background-color: var(--bg-white);
}

.pricing-table-wrap {
    margin-top: 40px;
    overflow-x: auto;
}

.pricing-table-desktop {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.pricing-table-desktop th, .pricing-table-desktop td {
    padding: 24px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.pricing-table-desktop th {
    background-color: var(--primary);
    color: var(--text-white);
    font-weight: 700;
}

.pricing-table-desktop tr:last-child td {
    border-bottom: none;
}

.pricing-table-desktop .price-cell {
    font-family: var(--font-en);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary-light);
}

.pricing-table-desktop .highlight {
    background-color: rgba(0, 212, 178, 0.05);
}

/* Promo / Special Event Box */
.special-promo {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 24px;
    padding: 60px;
    color: var(--text-white);
    margin-top: 60px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.special-promo::before {
    content: '';
    position: absolute;
    right: -10%;
    top: -20%;
    width: 40%;
    height: 150%;
    background: radial-gradient(circle, rgba(0, 212, 178, 0.15) 0%, transparent 70%);
}

.promo-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.promo-badge {
    background-color: var(--accent-red);
    color: var(--text-white);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 16px;
}

.promo-title {
    font-size: 2.25rem;
    margin-bottom: 16px;
}

.promo-desc {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.05rem;
}

.promo-price-box {
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
}

.original-price {
    text-decoration: line-through;
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.1rem;
    font-family: var(--font-en);
}

.discounted-price {
    font-family: var(--font-en);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary);
    margin: 8px 0;
}

.promo-cta {
    margin-top: 16px;
}

/* Contact Section */
.contact-section {
    background-color: var(--bg-gray);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: stretch;
}

.contact-info-panel {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--text-white);
    padding: 50px;
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-md);
}

.contact-info-panel h2 {
    font-size: 1.85rem;
    margin-bottom: 16px;
}

.contact-info-panel p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
}

.contact-list {
    display: grid;
    gap: 24px;
}

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-detail-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background-color: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--secondary);
}

.contact-detail-text h3 {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-detail-text p {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-white);
    margin: 4px 0 0 0;
}

.contact-time {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.contact-form-panel {
    background-color: var(--bg-white);
    padding: 50px;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
}

.form-group-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 14px 20px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-family: var(--font-ko);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
}

.form-control:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

textarea.form-control {
    resize: none;
    height: 120px;
}

/* Footer */
footer {
    background-color: var(--bg-dark);
    color: rgba(255, 255, 255, 0.6);
    padding: 60px 0 40px;
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-brand .footer-brand-title {
    color: var(--text-white);
    font-size: 1.5rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.footer-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.info-block .footer-info-title {
    color: var(--text-white);
    margin-bottom: 12px;
    font-weight: 700;
}

.info-block p {
    line-height: 1.8;
}

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

.copyright {
    font-size: 0.85rem;
}

/* Kakao Floating Button */
.kakao-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.kakao-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--accent-kakao);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: #3c1e1e;
    box-shadow: var(--shadow-kakao);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    outline: none;
    position: relative;
}

.kakao-btn::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background-color: rgba(254, 229, 0, 0.3);
    z-index: -1;
    animation: pulse 2s infinite;
}

.kakao-btn:hover {
    background-color: var(--accent-kakao-dark);
    transform: scale(1.08) rotate(5deg);
}

.kakao-tooltip {
    position: absolute;
    right: 75px;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--primary);
    color: var(--text-white);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 700;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-md);
}

.kakao-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background-color: var(--primary);
}

.kakao-btn:hover .kakao-tooltip {
    opacity: 1;
    right: 70px;
}

/* Modal Popup */
.modal {
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background-color: var(--bg-white);
    width: 100%;
    max-width: 500px;
    border-radius: 24px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    position: relative;
    transform: scale(0.9);
    transition: var(--transition-smooth);
}

.modal.active .modal-content {
    transform: scale(1);
}

.close-modal {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 24px;
    color: var(--text-muted);
    cursor: pointer;
    background: none;
    border: none;
}

.modal-header {
    text-align: center;
    margin-bottom: 24px;
}

.modal-header .kakao-icon {
    width: 64px;
    height: 64px;
    background-color: var(--accent-kakao);
    color: #3c1e1e;
    font-size: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin-bottom: 16px;
}

.modal-header h3 {
    font-size: 1.5rem;
    color: var(--primary);
}

.modal-body {
    margin-bottom: 30px;
}

.modal-step-list {
    display: grid;
    gap: 16px;
}

.modal-step {
    background-color: var(--bg-gray);
    padding: 16px 20px;
    border-radius: 12px;
    display: flex;
    gap: 16px;
    align-items: center;
}

.step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--primary);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.step-text {
    font-size: 0.95rem;
    color: var(--text-main);
    font-weight: 500;
}

.step-text strong {
    color: var(--primary-light);
    user-select: all;
    background-color: rgba(30, 58, 138, 0.05);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px dashed rgba(30, 58, 138, 0.2);
}

.modal-footer {
    display: flex;
    gap: 12px;
}

.modal-footer .btn {
    flex: 1;
}

/* Animations */
@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(254, 229, 0, 0.7);
    }
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 15px rgba(254, 229, 0, 0);
    }
    100% {
        transform: scale(1);
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(254, 229, 0, 0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Animation classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.215, 0.610, 0.355, 1);
}

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

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-btns {
        justify-content: center;
    }
    
    .hero-image {
        max-width: 600px;
        margin: 0 auto;
    }
    
    .article-pr-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .fact-check-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .viral-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .seo-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 120px;
    }
    
    header {
        height: auto;
        padding: 12px 0;
    }
    
    header.scrolled {
        height: auto;
        padding: 8px 0;
    }
    
    header .container {
        flex-direction: column;
        gap: 10px;
        align-items: center;
        justify-content: center;
    }
    
    .logo-link {
        margin: 0 auto;
        justify-content: center;
    }
    
    .logo-link span {
        font-size: 1.25rem;
    }
    
    .header-right {
        width: 100%;
        justify-content: center;
        gap: 12px;
    }
    
    .phone-info {
        font-size: 0.85rem;
        padding: 6px 12px;
    }
    
    .header-right .btn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
    
    .section-padding {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    nav {
        display: none; /* Mobile menu can be expanded or toggleable, but for simplicity of SPA scroll, we keep it clean or direct call links */
    }
    
    /* Fix partner text wrapping */
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
    
    .partner-card {
        padding: 10px 4px;
        font-size: 0.8rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    /* Stack cards to 1 column to prevent text wrapping */
    .viral-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .viral-cards {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .viral-card {
        padding: 20px;
        grid-column: span 1 !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 12px !important;
    }
    
    /* Fix table squeezing by using horizontal overflow scroll */
    .pricing-table-wrap {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: 12px;
        box-shadow: var(--shadow-sm);
    }
    
    .pricing-table-desktop {
        min-width: 800px;
    }
    
    .pricing-table-desktop th, .pricing-table-desktop td {
        padding: 16px 10px;
        font-size: 0.9rem;
    }
    
    /* SEO responsive fix */
    .seo-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .seo-steps {
        grid-template-columns: 1fr;
    }
    
    .fact-check-cards {
        grid-template-columns: 1fr;
    }
    
    .fact-card.full-width {
        grid-column: span 1;
    }
    
    .form-group-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
    }
    
    .footer-info {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    /* 특별 프로모션 박스 모바일 반응형 최적화 */
    .special-promo {
        padding: 40px 20px;
        margin-top: 40px;
    }
    
    .promo-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .promo-title {
        font-size: 1.6rem;
    }
    
    .promo-desc {
        font-size: 0.95rem;
    }
    
    .promo-price-box {
        padding: 24px 16px;
        max-width: 340px;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .partner-card {
        font-size: 0.75rem;
    }
    
    .tab-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
    
    .hero-btns {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-btns .btn {
        width: 100%;
    }
}