:root {
    --bg-white: #ffffff;
    --bg-light-gray: #f2f4f6;
    --bg-card: #ffffff;
    --primary-blue: #3182f6;
    /* Toss Blue */
    --primary-blue-hover: #1b64da;
    --text-black: #191f28;
    /* Toss Black */
    --text-dark-gray: #333d4b;
    --text-gray: #4e5968;
    --text-light-gray: #8b95a1;
    --border-color: #e5e8eb;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.08);
    --transition: all 0.2s ease-in-out;
    --warning-yellow: #ffc043;
    --success-green: #20c997;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
}

body {
    background-color: var(--bg-white);
    color: var(--text-black);
    line-height: 1.6;
    overflow-x: hidden;
    word-break: keep-all;
    /* Better for Korean */
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1100px;
    /* Slightly narrower for cleaner look */
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography Helpers */
.text-gradient {
    color: var(--primary-blue);
    /* Solid blue in Toss style usually, or subtle gradient */
}

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

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.3;
    color: var(--text-black);
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-black);
    letter-spacing: -0.5px;
}

h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark-gray);
}

p {
    color: var(--text-gray);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-light-gray);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

/* Buttons */
.btn-primary,
.btn-primary-lg {
    background-color: var(--primary-blue);
    color: #fff;
    padding: 14px 30px;
    border-radius: 12px;
    /* Toss style rounded corners */
    font-weight: 600;
    font-size: 1.05rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(49, 130, 246, 0.2);
    transition: var(--transition);
}

.btn-primary:hover,
.btn-primary-lg:hover {
    background-color: var(--primary-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(49, 130, 246, 0.3);
}

.btn-primary-sm {
    background-color: var(--primary-blue);
    color: #fff;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
}

.btn-secondary {
    background-color: #f2f4f6;
    color: var(--text-gray);
    padding: 14px 30px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.05rem;
}

.btn-secondary:hover {
    background-color: #e5e8eb;
    color: var(--text-black);
}

.btn-outline {
    border: 1px solid var(--border-color);
    background-color: #fff;
    color: var(--text-black);
    padding: 12px 25px;
    border-radius: 12px;
    font-weight: 600;
    display: inline-block;
    margin-top: 20px;
}

.btn-outline:hover {
    background-color: #f9fafb;
    border-color: #d1d6db;
}

.btn-primary-lg {
    width: 100%;
    justify-content: center;
    padding: 18px 0;
    font-size: 1.2rem;
    border-radius: 16px;
}

/* Navbar */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.03);
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-black);
    letter-spacing: -0.5px;
}

.accent-dot {
    color: var(--primary-blue);
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a:not(.btn-primary-sm) {
    font-size: 1rem;
    color: var(--text-gray);
    font-weight: 500;
}

.nav-links a:not(.btn-primary-sm):hover {
    color: var(--text-black);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--text-black);
    cursor: pointer;
}

/* Hero Section - Slider */
#hero {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    background-color: #fff;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease-in-out, visibility 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.9) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.tagline {
    display: inline-block;
    color: var(--primary-blue);
    font-weight: 700;
    margin-bottom: 24px;
    font-size: 1.1rem;
    background: rgba(49, 130, 246, 0.1);
    padding: 8px 16px;
    border-radius: 8px;
}

#hero h1 {
    margin-bottom: 24px;
}

#hero p {
    font-size: 1.35rem;
    color: var(--text-gray);
    margin: 0 auto 48px;
    max-width: 640px;
}

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

/* Slider Controls */
.slider-controls {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 32px;
}

.slider-btn {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border-color);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.1rem;
    color: var(--text-dark-gray);
    box-shadow: var(--shadow-sm);
}

.slider-btn:hover {
    background: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
    transform: scale(1.1);
}

.slider-dots {
    display: flex;
    gap: 12px;
    align-items: center;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: 2px solid var(--primary-blue);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--primary-blue);
    width: 14px;
    height: 14px;
}

.dot:hover {
    background: rgba(49, 130, 246, 0.7);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-light-gray);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-light-gray);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

/* Sections */
section {
    padding: 120px 0;
}

.section-dark,
.section-darker,
.section-highlight,
.section-gradient {
    background: var(--bg-white);
    /* Reset all to white base */
}

/* We will use alternating backgrounds for separation */
section:nth-child(even) {
    background-color: var(--bg-light-gray);
}

.section-header {
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 2.8rem;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-gray);
}

/* Cards */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.glass-card {
    background: #fff;
    padding: 40px 32px;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    /* Added border definition */
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.icon-box {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 24px;
    background: rgba(49, 130, 246, 0.1);
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
}

/* Problem Section Enhancements */
.problem-list {
    margin-top: 16px;
    padding-left: 0;
}

.problem-list li {
    color: var(--text-dark-gray);
    margin-bottom: 8px;
    font-size: 1.05rem;
}

.ai-question {
    background: rgba(49, 130, 246, 0.05);
    padding: 20px;
    border-radius: 12px;
    font-size: 1.15rem;
    color: var(--primary-blue);
    font-weight: 600;
    margin: 20px 0;
    border-left: 4px solid var(--primary-blue);
}

.highlight-text {
    color: var(--text-dark-gray);
    font-weight: 600;
    margin-top: 16px;
}

.warning-text {
    color: var(--warning-yellow);
    background: rgba(255, 192, 67, 0.1);
    padding: 12px 16px;
    border-radius: 8px;
    margin-top: 16px;
    font-weight: 600;
    display: inline-block;
}

.warning-text i {
    margin-right: 8px;
}

/* Core Concept */
.grid-2-bias {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.badge {
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 12px;
    display: block;
}

.lead {
    font-size: 1.4rem;
    color: var(--text-dark-gray);
    margin-bottom: 32px;
    font-weight: 600;
}

.lead-emphasis {
    font-size: 1.3rem;
    color: var(--text-black);
    margin-bottom: 32px;
    font-weight: 700;
}

.highlight-box {
    background: rgba(49, 130, 246, 0.05);
    padding: 24px;
    border-radius: 16px;
    margin: 24px 0;
    border-left: 4px solid var(--primary-blue);
}

.highlight-box h4 {
    color: var(--text-black);
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.highlight-box h4 i {
    color: var(--primary-blue);
    margin-right: 8px;
}

.highlight-box p {
    margin: 0;
    color: var(--text-dark-gray);
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 1.15rem;
    color: var(--text-dark-gray);
}

.check-list i {
    color: var(--primary-blue);
}

.interactive-img {
    width: 100%;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    background: #fff;
}

/* Features List */
.features-grid {
    display: grid;
    gap: 24px;
}

.feature-item {
    display: flex;
    gap: 32px;
    padding: 40px;
    background: #fff;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
    align-items: flex-start;
    border-left: none;
    /* Remove side border */
}

.step-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #e1e4e8;
    /* Very light gray */
    line-height: 1;
}

.feature-content h3 {
    font-size: 1.6rem;
    color: var(--text-black);
    margin-bottom: 16px;
}

.feature-content h3 i {
    color: var(--primary-blue);
    margin-right: 12px;
    font-size: 1.4rem;
}

.feature-content p {
    color: var(--text-gray);
    margin: 0;
}

.feature-content .desc {
    margin-bottom: 16px;
}

.feature-list {
    margin: 16px 0;
    padding-left: 0;
}

.feature-list li {
    color: var(--text-dark-gray);
    margin-bottom: 8px;
    font-size: 1.05rem;
}

.feature-highlight {
    background: rgba(49, 130, 246, 0.05);
    padding: 16px;
    border-radius: 12px;
    margin-top: 16px;
}

.feature-highlight p {
    margin: 0;
    color: var(--text-dark-gray);
    font-weight: 600;
}

/* Comparison Table */
.comparison-table {
    max-width: 900px;
    margin: 60px auto 0;
    background: #fff;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.comparison-header {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    background: linear-gradient(135deg, #f2f4f6 0%, #e5e8eb 100%);
    padding: 0;
}

.comparison-header .comparison-col {
    padding: 20px;
    font-weight: 700;
    color: var(--text-black);
    font-size: 1.1rem;
    text-align: center;
    border-right: 1px solid rgba(255, 255, 255, 0.5);
}

.comparison-header .comparison-col:last-child {
    border-right: none;
}

.comparison-header .naver {
    background: rgba(3, 199, 90, 0.1);
}

.comparison-header .locaon {
    background: rgba(49, 130, 246, 0.1);
    color: var(--primary-blue);
}

.comparison-row {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    border-bottom: 1px solid var(--border-color);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-col {
    padding: 24px 20px;
    text-align: center;
    color: var(--text-gray);
    font-size: 1.05rem;
}

.comparison-col.label {
    font-weight: 700;
    color: var(--text-black);
    text-align: left;
    background: #f9fafb;
}

.comparison-col.highlight {
    font-weight: 700;
    color: var(--primary-blue);
    background: rgba(49, 130, 246, 0.03);
}

.comparison-note {
    max-width: 700px;
    margin: 40px auto 0;
    padding: 24px;
    background: rgba(49, 130, 246, 0.05);
    border-radius: 16px;
    border-left: 4px solid var(--primary-blue);
}

.comparison-note p {
    margin: 0;
    color: var(--text-dark-gray);
    font-size: 1.1rem;
}

.comparison-note i {
    color: var(--primary-blue);
}

/* Services */
.service-card {
    background: #fff;
    padding: 48px 32px;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.card-icon {
    width: 80px;
    height: 80px;
    background: #f2f4f6;
    color: var(--text-black);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 32px;
}

/* Roadmap Grid */
.roadmap-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    position: relative;
}

.roadmap-card {
    flex: 1;
    background: #fff;
    padding: 32px 24px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
    height: 100%;
    min-height: 240px;
    /* Uniform height */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.roadmap-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-blue);
}

.step-badge {
    background: rgba(49, 130, 246, 0.1);
    color: var(--primary-blue);
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 16px;
    display: inline-block;
}

.roadmap-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--text-black);
}

.roadmap-card p {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.5;
    word-break: keep-all;
}

.roadmap-icon {
    font-size: 1.2rem;
    color: #e5e8eb;
    margin-bottom: 30px;
    /* Align with visual center of cards roughly */
}

/* Pricing */
.pricing-principle {
    max-width: 700px;
    margin: 20px auto 0;
    font-size: 1.15rem;
    color: var(--text-dark-gray);
    line-height: 1.8;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
    /* Force equal height */
    gap: 24px;
}

.pricing-card {
    background: #fff;
    padding: 40px 32px;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    text-align: center;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    /* Center align all children including button */
    height: 100%;
}

.pricing-card h3 {
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-black);
    margin: 20px 0;
}

.pricing-card .price span {
    font-size: 1.2rem;
    color: var(--text-light-gray);
    font-weight: 500;
}

.pricing-card .setup-fee {
    font-size: 0.95rem;
    color: var(--text-light-gray);
    margin-top: -10px;
    margin-bottom: 20px;
}

.pricing-card .features {
    width: 100%;
    margin: 30px 0;
    text-align: left;
}

.pricing-card .features li {
    color: var(--text-dark-gray);
    margin-bottom: 16px;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.pricing-card .features li i {
    color: var(--success-green);
    font-size: 1.1rem;
}

.pricing-card ul {
    width: 100%;
    /* Ensure list stays full width for left alignment */
}

.pricing-card .btn-primary,
.pricing-card .btn-outline {
    margin-top: 30px;
    /* Add requested extra spacing */
    width: auto;
    /* Ensure automatic width based on padding */
}

.pricing-card.popular {
    background: #fff;
    border: 2px solid var(--primary-blue);
    /* padding: 40px 32px;  Normalize padding to match others if needed, or keep slightly larger but no scale */
    transform: none;
    /* Remove scale */
    z-index: 2;
    /* Restored z-index for pop effect */
    box-shadow: 0 10px 40px rgba(49, 130, 246, 0.15);
    /* Stronger shadow */
}

.pricing-card .badge {
    background: var(--primary-blue);
    color: white;
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 20px;
}

/* Contact */
.section-cta {
    text-align: center;
}

.section-cta h2 {
    font-size: 2.5rem;
    line-height: 1.4;
}

.contact-form {
    max-width: 500px;
    /* Restored wider width */
    margin: 40px auto;
    background: #fff;
    padding: 40px;
    /* Keep the clean container padding */
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    display: flex;
    /* Ensure flex is explicit again if lost */
    flex-direction: column;
    gap: 20px;
    /* Slightly larger gap for premium feel */
    border: 1px solid var(--border-color);
}

input {
    background: #f9fafb;
    border: 1px solid #e5e8eb;
    color: var(--text-black);
    padding: 16px 20px;
    border-radius: 12px;
}

input:focus {
    border-color: var(--primary-blue);
    background: #fff;
    outline: none;
    box-shadow: 0 0 0 3px rgba(49, 130, 246, 0.1);
}

.privacy-note {
    font-size: 0.95rem;
    color: var(--text-light-gray);
    margin-top: 20px;
}

/* Footer */
footer {
    background: #f9fafb;
    border-top: 1px solid #e5e8eb;
    color: var(--text-gray);
    padding: 80px 0 40px;
}

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

.footer-info h4 {
    color: var(--text-black);
    margin-bottom: 16px;
}

.footer-info p {
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--text-black);
}

.copyright {
    margin-top: 32px;
    font-size: 0.9rem;
    color: var(--text-light-gray);
}

/* Animation */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scroll {
    0% {
        transform: translate(-50%, 0);
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

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

/* Responsive */
@media (max-width: 960px) {

    /* Container & Spacing */
    .container {
        padding: 0 20px;
    }

    section {
        padding: 60px 0;
    }

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

    /* Typography - 모바일에서 읽기 편한 크기로 */
    h1 {
        font-size: 2rem;
        line-height: 1.4;
    }

    h2 {
        font-size: 1.75rem;
        line-height: 1.4;
    }

    h3 {
        font-size: 1.25rem;
    }

    p {
        font-size: 1rem;
        line-height: 1.6;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    .lead {
        font-size: 1.1rem;
    }

    .lead-emphasis {
        font-size: 1.05rem;
    }

    /* Hero Section - 모바일 최적화 */
    #hero {
        min-height: 100vh;
        padding-top: 0;
    }

    .hero-slider {
        height: 100vh;
    }

    .hero-slide {
        min-height: 100vh;
        padding-top: 80px;
        padding-bottom: 120px;
    }

    .hero-content {
        padding: 0 20px;
    }

    #hero h1 {
        font-size: 1.75rem;
        line-height: 1.4;
        margin-bottom: 20px;
    }

    #hero p {
        font-size: 1rem;
        margin-bottom: 28px;
        line-height: 1.6;
    }

    .tagline {
        font-size: 0.85rem;
        padding: 6px 12px;
        margin-bottom: 16px;
    }

    .hero-btns {
        flex-direction: column;
        gap: 12px;
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }

    .hero-btns .btn-primary,
    .hero-btns .btn-secondary {
        width: 100%;
        justify-content: center;
        padding: 14px 20px;
        font-size: 0.95rem;
    }

    /* Slider Controls - 모바일 최적화 */
    .slider-controls {
        bottom: 60px;
        gap: 20px;
        flex-wrap: nowrap;
    }

    .slider-btn {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }

    .slider-dots {
        gap: 8px;
    }

    .dot {
        width: 8px;
        height: 8px;
        border-width: 1px;
    }

    .dot.active {
        width: 10px;
        height: 10px;
    }

    .hero-scroll-indicator {
        display: none;
    }

    /* Hero Background - 모바일 최적화 */
    .hero-bg {
        background-size: cover;
        background-position: center;
    }

    .hero-bg-overlay {
        background: linear-gradient(180deg, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0.95) 100%);
    }

    /* Grids */
    .grid-3,
    .grid-2-bias,
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Cards - 모바일에서 더 심플하게 */
    .glass-card {
        padding: 24px 20px;
        border-radius: 16px;
    }

    .glass-card:hover {
        transform: none;
    }

    .icon-box {
        width: 48px;
        height: 48px;
        font-size: 1.75rem;
        margin-bottom: 16px;
    }

    /* Problem Section */
    .problem-list li {
        font-size: 0.95rem;
    }

    .ai-question {
        padding: 16px;
        font-size: 1rem;
        margin: 16px 0;
    }

    .warning-text {
        font-size: 0.9rem;
        padding: 10px 12px;
        display: block;
    }

    /* Core Concept */
    .highlight-box {
        padding: 16px;
        margin: 16px 0;
    }

    .highlight-box h4 {
        font-size: 1.05rem;
    }

    .check-list li {
        font-size: 1rem;
    }

    .grid-2-bias {
        gap: 40px;
    }

    /* Features */
    .feature-item {
        flex-direction: column;
        padding: 24px 20px;
        gap: 16px;
    }

    .step-number {
        font-size: 1.5rem;
    }

    .feature-content h3 {
        font-size: 1.25rem;
    }

    .feature-content h3 i {
        font-size: 1.1rem;
    }

    .feature-content p,
    .feature-content .desc {
        font-size: 0.95rem;
    }

    .feature-list li {
        font-size: 0.95rem;
    }

    .feature-highlight {
        padding: 12px;
    }

    /* Comparison Table - 모바일 최적화 */
    .comparison-table {
        margin: 30px auto 0;
        border-radius: 16px;
    }

    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
    }

    .comparison-header .comparison-col:first-child,
    .comparison-col.label {
        background: var(--primary-blue);
        color: white;
        text-align: left;
    }

    .comparison-header .comparison-col {
        padding: 14px 16px;
        font-size: 0.95rem;
    }

    .comparison-col {
        border-bottom: 1px solid var(--border-color);
        text-align: left;
        padding: 14px 16px;
        font-size: 0.95rem;
    }

    .comparison-note {
        margin: 30px auto 0;
        padding: 16px;
    }

    .comparison-note p {
        font-size: 0.95rem;
    }

    /* Service Cards */
    .service-card {
        padding: 32px 24px;
    }

    .service-card h3 {
        font-size: 1.25rem;
    }

    .service-card p {
        font-size: 0.95rem;
    }

    .card-icon {
        width: 64px;
        height: 64px;
        font-size: 1.75rem;
        margin-bottom: 20px;
    }

    /* Roadmap */
    .roadmap-grid {
        flex-direction: column;
        gap: 20px;
    }

    .roadmap-card {
        min-height: auto;
        padding: 24px 20px;
    }

    .roadmap-card h3 {
        font-size: 1.15rem;
    }

    .roadmap-card p {
        font-size: 0.9rem;
    }

    .roadmap-icon {
        transform: rotate(90deg);
        margin: 0;
        font-size: 1rem;
    }

    /* Pricing */
    .pricing-principle {
        font-size: 1rem;
        padding: 0 20px;
    }

    .pricing-card {
        padding: 32px 24px;
    }

    .pricing-card h3 {
        font-size: 1.5rem;
    }

    .pricing-card .price {
        font-size: 2.5rem;
        margin: 16px 0;
    }

    .pricing-card .price span {
        font-size: 1rem;
    }

    .pricing-card .features {
        margin: 20px 0;
    }

    .pricing-card .features li {
        font-size: 0.95rem;
        margin-bottom: 12px;
    }

    .pricing-card .features li i {
        font-size: 1rem;
    }

    .pricing-card .btn-primary,
    .pricing-card .btn-outline {
        width: 100%;
        margin-top: 20px;
    }

    .pricing-card.popular {
        transform: none;
        margin: 0;
    }

    /* Contact */
    .section-cta h2 {
        font-size: 1.75rem;
        line-height: 1.5;
    }

    .section-cta .lead {
        font-size: 1rem;
    }

    .contact-form {
        padding: 24px 20px;
        gap: 16px;
        max-width: 100%;
        margin: 30px 0;
    }

    input {
        padding: 14px 16px;
        font-size: 1rem;
    }

    .btn-primary-lg {
        padding: 16px 0;
        font-size: 1.05rem;
    }

    .privacy-note {
        font-size: 0.85rem;
    }

    /* Navigation */
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #fff;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--border-color);
        padding: 24px 20px;
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        color: var(--text-black);
        font-size: 1rem;
    }

    .nav-links .btn-primary-sm {
        width: 100%;
        padding: 12px 20px;
    }

    .mobile-menu-btn {
        display: block;
    }

    .logo {
        font-size: 1.4rem;
    }

    /* Footer */
    footer {
        padding: 60px 0 30px;
    }

    .footer-content {
        flex-direction: column;
        gap: 32px;
    }

    .footer-info p {
        font-size: 0.9rem;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 16px;
    }

    .footer-links a {
        font-size: 0.9rem;
    }

    /* Buttons */
    .btn-primary,
    .btn-secondary {
        font-size: 1rem;
        padding: 12px 24px;
    }
}

/* Extra small screens */
@media (max-width: 480px) {

    /* Hero Slider - 초소형 화면 */
    #hero h1 {
        font-size: 1.5rem;
        line-height: 1.3;
    }

    #hero p {
        font-size: 0.95rem;
        margin-bottom: 24px;
    }

    .tagline {
        font-size: 0.8rem;
        padding: 5px 10px;
    }

    .hero-btns {
        gap: 10px;
        max-width: 100%;
    }

    .hero-btns .btn-primary,
    .hero-btns .btn-secondary {
        padding: 12px 18px;
        font-size: 0.9rem;
    }

    .slider-controls {
        bottom: 50px;
        gap: 16px;
    }

    .slider-btn {
        width: 32px;
        height: 32px;
        font-size: 0.85rem;
    }

    .slider-dots {
        gap: 6px;
    }

    .dot {
        width: 7px;
        height: 7px;
    }

    .dot.active {
        width: 9px;
        height: 9px;
    }

    /* Other elements */
    h2 {
        font-size: 1.5rem;
    }

    .container {
        padding: 0 16px;
    }

    section {
        padding: 50px 0;
    }

    .glass-card,
    .feature-item,
    .service-card,
    .pricing-card {
        padding: 20px 16px;
    }

    .pricing-card .price {
        font-size: 2rem;
    }
}