/* =============================================
   Viralkim Theme - Landing Page Stylesheet
   Modern, professional viral marketing / SEO
   Matched to index.php HTML structure
   ============================================= */

/* === CSS Variables === */
:root {
    --primary: #650921;
    --primary-light: #8b1a3a;
    --primary-dark: #4a0618;
    --accent: #ff0848;
    --accent-light: #ff3d6f;
    --bg-light: #f7f9fa;
    --bg-white: #ffffff;
    --text-dark: #1a1a1a;
    --text-gray: #555555;
    --text-light: #888888;
    --border: #e2e8f0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.16);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --font: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: all 0.3s ease;
}

/* === Reset & Global === */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font);
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
    overflow: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

/* Hidden nav item - visible to crawlers, invisible to users */
.nav-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

.section-alt {
    background: var(--bg-light);
}

/* === Typography === */
.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 900;
    margin-bottom: 16px;
    color: var(--text-dark);
    line-height: 1.3;
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto 50px;
    line-height: 1.6;
    text-align: center;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font);
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(255, 8, 72, 0.3);
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 8, 72, 0.4);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: #ffffff;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    font-size: 1.1rem;
    justify-content: center;
}

/* === Top Bar (Header) === */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #ffffff;
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    height: 70px;
    transition: box-shadow 0.3s ease;
}

.top-bar.scrolled {
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
}

.top-bar .container {
    height: 100%;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--primary);
    font-weight: 900;
    font-size: 1.3rem;
}

.logo i {
    font-size: 1.4rem;
}

/* Desktop Navigation */
.nav-menu {
    display: block;
}

.nav-list {
    display: flex;
    gap: 24px;
    list-style: none;
}

.nav-list a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.nav-list a:hover {
    color: var(--primary);
}

/* Header Actions (phone + hamburger) */
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-phone {
    padding: 10px 20px;
    font-size: 0.9rem;
}

.btn-phone i {
    font-size: 0.85rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* === Mobile Menu === */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1100;
}

.mobile-menu-overlay.active {
    display: block;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 300px;
    max-width: 85vw;
    height: 100%;
    background: #ffffff;
    z-index: 1200;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.mobile-menu-header .logo {
    font-size: 1.1rem;
}

.mobile-menu-close {
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 1.3rem;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
}

.mobile-menu-close:hover {
    background: var(--bg-light);
}

.mobile-nav-list {
    list-style: none;
    padding: 10px 0;
}

.mobile-nav-list li {
    border-bottom: 1px solid var(--border);
}

.mobile-nav-list li:last-child {
    border-bottom: none;
}

.mobile-nav-list a {
    display: block;
    padding: 16px 20px;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 1rem;
    transition: background 0.2s;
}

.mobile-nav-list a:hover {
    background: var(--bg-light);
    color: var(--primary);
}

.mobile-menu-cta {
    padding: 20px;
    border-top: 1px solid var(--border);
}

.mobile-menu-cta .btn {
    width: 100%;
    justify-content: center;
    padding: 14px;
}

/* === Hero === */
.hero {
    padding-top: 140px;
    padding-bottom: 80px;
    background: #ffffff;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.hero-title span {
    color: var(--accent);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
    padding: 30px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
}

.hero-stat-item {
    text-align: center;
}

.hero-stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary);
}

.hero-stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-top: 4px;
}

/* === Services === */
.service-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}

.service-card {
    flex: 0 0 calc(33.333% - 16px);
    background: #ffffff;
    border-radius: var(--radius-md);
    padding: 36px 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    border: 1px solid var(--border);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.service-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(101, 9, 33, 0.08);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 20px;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* === Process === */
.process-grid {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 20px;
}

.process-step {
    flex: 0 0 280px;
    text-align: center;
    position: relative;
}

.process-number {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: var(--primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 16px;
    font-weight: 900;
}

.process-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(101, 9, 33, 0.08);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin: 0 auto 16px;
}

.process-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 36px;
    color: var(--border);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.process-step h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.process-step p {
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* === Why Us (Features) === */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-item {
    display: flex;
    gap: 20px;
    padding: 30px;
    background: #ffffff;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.feature-item:hover {
    box-shadow: var(--shadow-sm);
    border-color: rgba(101, 9, 33, 0.3);
}

.feature-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background: rgba(255, 8, 72, 0.08);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.feature-item h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.feature-item p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* === Testimonials === */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: #ffffff;
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.testimonial-rating {
    color: #f59e0b;
    margin-bottom: 16px;
    font-size: 1rem;
    display: flex;
    gap: 2px;
}

.testimonial-text {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.testimonial-info {
    display: flex;
    flex-direction: column;
}

.testimonial-info strong {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-dark);
}

.testimonial-info span {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 2px;
}

/* === FAQ === */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #ffffff;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 20px 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1rem;
    transition: background 0.2s;
    color: var(--text-dark);
    user-select: none;
    font-family: var(--font);
    text-align: left;
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-question span {
    flex: 1;
}

.faq-question i {
    transition: transform 0.3s;
    color: var(--text-light);
    flex-shrink: 0;
    margin-left: 12px;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-item.active .faq-question {
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 20px;
    color: var(--text-gray);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* === Contact === */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.4rem;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 20px;
}

.contact-info-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(101, 9, 33, 0.08);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-info-content {
    display: flex;
    flex-direction: column;
    padding-top: 2px;
}

.contact-info-content strong {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-dark);
    margin-bottom: 2px;
}

.contact-info-content a,
.contact-info-content span {
    font-size: 0.9rem;
    color: var(--text-gray);
    transition: color 0.2s;
}

.contact-info-content a:hover {
    color: var(--primary);
}

.contact-form {
    background: #ffffff;
    border-radius: var(--radius-md);
    padding: 36px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.form-group label i {
    color: var(--primary);
    margin-right: 4px;
    width: 16px;
    text-align: center;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: var(--font);
    transition: border-color 0.2s;
    box-sizing: border-box;
    background: #ffffff;
    color: var(--text-dark);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(101, 9, 33, 0.1);
}

.form-control::placeholder {
    color: var(--text-light);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23888' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* === Footer === */
.footer {
    background: var(--text-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 30px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #ffffff;
    font-weight: 900;
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.footer-brand .footer-logo i {
    font-size: 1.4rem;
}

.footer-tagline {
    font-size: 0.9rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.7);
}

.footer h4 {
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: 16px;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links ul a:hover {
    color: #ffffff;
}

.sns-links {
    display: flex;
    gap: 12px;
}

.sns-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 0.95rem;
}

.sns-links a:hover {
    background: var(--accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
}

.footer-business-info,
.footer-contact-info {
    font-size: 0.85rem;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
}

.footer-business-info .divider,
.footer-contact-info .divider {
    display: inline-block;
    margin: 0 8px;
    color: rgba(255, 255, 255, 0.3);
}

.footer-contact-info i {
    margin-right: 4px;
    font-size: 0.8rem;
}

.footer-copyright {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 12px;
    font-size: 0.85rem;
}

.footer-copyright p {
    color: rgba(255, 255, 255, 0.5);
}

.footer-copyright a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-copyright a:hover {
    color: #ffffff;
}

/* === Floating Action Buttons (FAB) === */
.fab-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.fab-toggle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent);
    color: #ffffff;
    border: none;
    cursor: pointer;
    font-size: 1.3rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.fab-toggle:hover {
    background: var(--accent-light);
    transform: scale(1.05);
}

/* First icon (comment-dots) visible by default, second icon (times) hidden */
.fab-toggle i:first-child {
    display: block;
}

.fab-toggle i:last-child {
    display: none;
}

/* When active: first icon hidden, second icon visible */
.fab-container.active .fab-toggle i:first-child {
    display: none;
}

.fab-container.active .fab-toggle i:last-child {
    display: block;
}

.fab-container.active .fab-toggle {
    background: var(--text-dark);
}

.fab-menu {
    position: absolute;
    bottom: 70px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.fab-container.active .fab-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.fab-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: #ffffff;
    border-radius: 30px;
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: var(--text-dark);
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    transition: var(--transition);
}

.fab-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(-3px);
}

.fab-item i {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: #ffffff;
    flex-shrink: 0;
}

.fab-kakao i {
    background: #FEE500;
    color: #3C1E1E;
}

.fab-phone i {
    background: var(--primary);
}

.fab-form i {
    background: var(--accent);
}

/* === Back to Top === */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 34px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #ffffff;
    color: var(--primary);
    border: 1px solid var(--border);
    cursor: pointer;
    font-size: 1rem;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    z-index: 998;
    transition: var(--transition);
}

.back-to-top.visible {
    display: flex;
}

.back-to-top:hover {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

/* === Animations === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.fade-target {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-target.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =============================================
   Responsive Breakpoints
   ============================================= */

/* Tablet Landscape (1024px ~ 1279px) */
@media (max-width: 1279px) {
    .process-grid {
        gap: 16px;
    }

    .process-step {
        flex: 0 0 220px;
    }
}

/* Tablet Portrait & Below (max-width: 1024px) */
@media (max-width: 1024px) {
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .service-card {
        flex: 0 0 calc(50% - 12px);
    }

    .process-grid {
        flex-direction: column;
        gap: 20px;
        align-items: center;
    }

    .process-step {
        flex: 0 0 auto;
        width: 100%;
        max-width: 340px;
    }

    .process-connector {
        transform: rotate(90deg);
        padding-top: 0;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .testimonial-grid {
        grid-template-columns: 1fr;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-top {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand .footer-logo {
        justify-content: center;
    }

    .sns-links {
        justify-content: center;
    }
}

/* Tablet Portrait (max-width: 768px) */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        padding-top: 100px;
        padding-bottom: 60px;
    }

    .section {
        padding: 70px 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .hero-stat-item {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 12px;
    }

    .hero-stat-number {
        font-size: 1.6rem;
    }

    .service-card {
        flex: 0 0 100%;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 24px;
    }

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

    .footer-business-info .divider,
    .footer-contact-info .divider {
        display: none;
    }

    .footer-business-info span,
    .footer-contact-info span {
        display: block;
        margin-bottom: 4px;
    }

    .footer-copyright {
        flex-direction: column;
        gap: 8px;
    }

    .section-subtitle {
        margin-bottom: 36px;
    }
}

/* Mobile (max-width: 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .section {
        padding: 50px 0;
    }

    .hero {
        padding-top: 90px;
        padding-bottom: 50px;
    }

    .btn-phone span {
        display: none;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .btn-lg {
        padding: 14px 28px;
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .btn {
        justify-content: center;
    }

    .section-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }

    .service-card {
        padding: 28px 20px;
    }

    .feature-item {
        flex-direction: column;
        text-align: center;
        align-items: center;
        padding: 24px;
    }

    .testimonial-card {
        padding: 24px;
    }

    .contact-form {
        padding: 20px;
    }

    .faq-question {
        padding: 16px 18px;
        font-size: 0.95rem;
    }

    .faq-answer p {
        padding: 0 18px 16px;
        font-size: 0.9rem;
    }

    .fab-container {
        bottom: 20px;
        right: 20px;
    }

    .back-to-top {
        bottom: 88px;
        right: 24px;
    }
}

/* Fold/Flip (max-width: 359px) */
@media (max-width: 359px) {
    html {
        font-size: 13px;
    }

    .container {
        padding: 0 12px;
    }

    .logo {
        font-size: 1.1rem;
    }

    .top-bar {
        height: 60px;
    }

    .hero {
        padding-top: 80px;
    }

    .process-number {
        width: 70px;
        height: 70px;
        font-size: 1.5rem;
    }
}

/* FHD (1920px ~ 2559px) */
@media (min-width: 1920px) and (max-width: 2559px) {
    html {
        font-size: 17px;
    }

    .container {
        max-width: 1400px;
    }
}

/* QHD (2560px ~ 3839px) */
@media (min-width: 2560px) and (max-width: 3839px) {
    html {
        font-size: 19px;
    }

    .container {
        max-width: 1600px;
    }
}

/* UHD (3840px+) */
@media (min-width: 3840px) {
    html {
        font-size: 22px;
    }

    .container {
        max-width: 2000px;
    }
}

/* === Privacy Page === */
.privacy-content {
    max-width: 900px;
    margin: 0 auto;
}

.privacy-section {
    margin-bottom: 40px;
}

.privacy-section h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border);
}

.privacy-section p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.privacy-section ul {
    list-style: none;
    padding: 0;
    margin-bottom: 12px;
}

.privacy-section ul li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    color: var(--text-gray);
    line-height: 1.7;
    font-size: 0.95rem;
}

.privacy-section ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.privacy-info-box {
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    padding: 24px;
    border: 1px solid var(--border);
}

.privacy-info-box p {
    margin-bottom: 12px;
}

.privacy-info-box a {
    color: var(--primary);
    text-decoration: underline;
}

.privacy-info-box a:hover {
    color: var(--accent);
}

.privacy-back {
    text-align: center;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}

.privacy-page-section {
    padding-top: 120px;
}

/* =============================================
   Blog / Board Page
   ============================================= */

/* === Blog Section === */
.blog-section {
    padding-top: 120px;
}

/* === Blog Grid (List View) === */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.blog-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(101, 9, 33, 0.2);
}

.blog-card-thumbnail {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--bg-light);
}

.blog-card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.blog-card:hover .blog-card-thumbnail img {
    transform: scale(1.03);
}

.blog-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 24px;
}

.blog-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.4;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card:hover .blog-card-title {
    color: var(--primary);
}

.blog-card-excerpt {
    flex: 1;
    font-size: 0.93rem;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.blog-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.85rem;
    color: var(--text-light);
}

.blog-meta-item i {
    font-size: 0.8rem;
}

/* === Blog Empty State === */
.blog-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-light);
}

.blog-empty i {
    font-size: 3rem;
    margin-bottom: 16px;
    color: var(--border);
}

.blog-empty p {
    font-size: 1rem;
}

/* === Blog Not Found === */
.blog-not-found {
    text-align: center;
    padding: 100px 20px;
}

.blog-not-found i {
    font-size: 3.5rem;
    color: var(--text-light);
    margin-bottom: 20px;
}

.blog-not-found h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.blog-not-found p {
    font-size: 1rem;
    color: var(--text-gray);
    margin-bottom: 30px;
}

/* === Blog Detail (Article View) === */
.blog-detail {
    max-width: 800px;
    margin: 0 auto;
}

.blog-detail-header {
    margin-bottom: 36px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.blog-detail-title {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    font-weight: 900;
    color: var(--text-dark);
    line-height: 1.35;
    margin-bottom: 16px;
}

.blog-detail-meta {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* === Blog Detail Content (Typography) === */
.blog-detail-content {
    font-size: 1rem;
    color: var(--text-dark);
    line-height: 1.85;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.blog-detail-content h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-top: 48px;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border);
}

.blog-detail-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-top: 36px;
    margin-bottom: 12px;
}

.blog-detail-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-top: 28px;
    margin-bottom: 10px;
}

.blog-detail-content p {
    margin-bottom: 18px;
    color: var(--text-dark);
    line-height: 1.85;
}

.blog-detail-content ul,
.blog-detail-content ol {
    margin-bottom: 18px;
    padding-left: 24px;
    list-style: revert;
}

.blog-detail-content li {
    margin-bottom: 8px;
    line-height: 1.7;
    color: var(--text-dark);
}

.blog-detail-content blockquote {
    margin: 24px 0;
    padding: 20px 24px;
    border-left: 4px solid var(--primary);
    background: var(--bg-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.95rem;
    color: var(--text-gray);
}

.blog-detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    margin: 20px 0;
}

.blog-detail-content a {
    color: var(--primary);
    text-decoration: underline;
    transition: color 0.2s;
}

.blog-detail-content a:hover {
    color: var(--accent);
}

.blog-detail-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.blog-detail-content table th,
.blog-detail-content table td {
    padding: 10px 14px;
    border: 1px solid var(--border);
    font-size: 0.93rem;
    text-align: left;
}

.blog-detail-content table th {
    background: var(--bg-light);
    font-weight: 700;
}

.blog-detail-content pre,
.blog-detail-content code {
    font-family: 'Noto Sans KR', monospace;
    background: var(--bg-light);
    border-radius: 4px;
}

.blog-detail-content code {
    padding: 2px 6px;
    font-size: 0.9em;
}

.blog-detail-content pre {
    padding: 16px 20px;
    margin: 20px 0;
    overflow-x: auto;
    border: 1px solid var(--border);
}

.blog-detail-content pre code {
    padding: 0;
    background: transparent;
}

/* === Blog Detail Footer === */
.blog-detail-footer {
    margin-top: 48px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}

.blog-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* === Blog Pagination === */
.blog-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    margin-top: 48px;
    flex-wrap: wrap;
}

.blog-pagination .page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-gray);
    background: var(--bg-white);
    text-decoration: none;
    transition: var(--transition);
}

.blog-pagination .page-link:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: #fdf2f4;
}

.blog-pagination .page-current {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    font-weight: 700;
}

.blog-pagination .page-first,
.blog-pagination .page-last,
.blog-pagination .page-prev,
.blog-pagination .page-next {
    font-size: 0.85rem;
}

/* === Blog Responsive === */

/* Tablet Portrait (max-width: 768px) */
@media (max-width: 768px) {
    .blog-section,
    .privacy-page-section {
        padding-top: 100px;
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .blog-card-body {
        padding: 20px;
    }

    .blog-card-title {
        font-size: 1.05rem;
    }

    .blog-detail-title {
        font-size: 1.5rem;
    }

    .blog-detail-content h2 {
        font-size: 1.3rem;
        margin-top: 36px;
    }

    .blog-detail-content h3 {
        font-size: 1.1rem;
        margin-top: 28px;
    }

    .blog-detail-meta {
        gap: 14px;
    }
}

/* Mobile (max-width: 480px) */
@media (max-width: 480px) {
    .blog-section,
    .privacy-page-section {
        padding-top: 90px;
    }

    .blog-card-body {
        padding: 16px;
    }

    .blog-card-title {
        font-size: 1rem;
    }

    .blog-card-excerpt {
        font-size: 0.88rem;
        -webkit-line-clamp: 2;
    }

    .blog-card-meta {
        gap: 12px;
    }

    .blog-detail-title {
        font-size: 1.3rem;
    }

    .blog-detail-content {
        font-size: 0.95rem;
    }

    .blog-detail-content h2 {
        font-size: 1.2rem;
    }

    .blog-detail-content h3 {
        font-size: 1.05rem;
    }

    .blog-detail-content blockquote {
        padding: 16px 18px;
    }

    .blog-detail-footer {
        margin-top: 36px;
    }

    .blog-not-found {
        padding: 60px 16px;
    }
}

/* Fold/Flip (max-width: 359px) */
@media (max-width: 359px) {
    .blog-section,
    .privacy-page-section {
        padding-top: 80px;
    }

    .blog-card-body {
        padding: 14px;
    }

    .blog-detail-title {
        font-size: 1.15rem;
    }
}