:root {
    --primary: #1e8dae;
    --primary-light: rgba(30, 141, 174, 0.1);
    --dark: #0f172a;
    --medium: #475569;
    --light: #64748b;
    --muted: #94a3b8;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --bg-light: #f8fafc;
    --bg-page: #f6f7f8;
    --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
}

body { font-family: var(--font); background: var(--bg-page); color: var(--dark); }
h1, h2, h3, h4, h5, h6, p, span, a, button, li { font-family: var(--font); }

/* ===== HEADER ===== */
.site-header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.navbar-brand-text {
    font-weight: 800;
    font-size: 20px;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.navbar-nav .nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--dark) !important;
    padding: 0 !important;
}

.navbar-nav .nav-link:hover { color: var(--primary) !important; }

.btn-ghost {
    padding: 8px 16px;
    font-size: 14px;
    color: var(--dark);
    background: none;
    border: none;
    border-radius: 8px;
    font-weight: 500;
}

.btn-ghost:hover { background: var(--bg-light); }

.btn-header {
    padding: 10px 20px;
    font-size: 14px;
    color: white !important;
    background: var(--primary);
    border: none;
    border-radius: 8px;
    font-weight: 500;
    box-shadow: 0 10px 15px -3px rgba(30,141,174,0.2), 0 4px 6px -4px rgba(30,141,174,0.2);
    text-decoration: none;
}

.btn-header:hover { background: #1a7a99; }

/* ===== HERO ===== */
.hero-section { padding: 128px 0; margin-top: 65px; }

.badge-pill {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    background: var(--primary-light);
    border-radius: 9999px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
}

.hero-h1 {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--dark);
}

.hero-h1 .c-primary { color: var(--primary); }

.hero-desc { font-size: 18px; color: var(--medium); line-height: 1.625; }

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    padding: 17.5px 32px;
    background: var(--primary);
    color: white;
    font-size: 18px;
    font-weight: 500;
    border-radius: 12px;
    border: none;
    text-decoration: none;
    white-space: nowrap;
    box-shadow: 0 20px 25px -5px rgba(30,141,174,0.3), 0 8px 10px -6px rgba(30,141,174,0.3);
}

.btn-hero-primary:hover { background: #1a7a99; color: white; }

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 18px 34px;
    background: white;
    color: var(--dark);
    font-size: 18px;
    font-weight: 500;
    border-radius: 12px;
    border: 2px solid var(--border);
    text-decoration: none;
    white-space: nowrap;
}

.btn-hero-secondary:hover { border-color: var(--primary); color: var(--primary); }
.btn-hero-secondary img { width: 20px; height: 20px; }

.hero-visual { position: relative; }

.hero-visual::before {
    content: '';
    position: absolute;
    inset: -16px;
    background: var(--primary-light);
    border-radius: 32px;
    filter: blur(32px);
    z-index: 0;
}

.hero-image-wrapper {
    position: relative;
    z-index: 1;
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 9px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
}

.hero-image-bg { background: #f1f5f9; border-radius: 12px; overflow: hidden; }
.hero-image-bg img { width: 100%; display: block; aspect-ratio: 4/3; object-fit: cover; }

/* ===== PROBLEM SECTION ===== */
.problem-section { background: var(--bg-light); padding: 96px 0; }

.section-title {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.9px;
    color: var(--dark);
}

.section-desc { font-size: 16px; color: var(--light); }

.problem-card {
    background: white;
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05);
    height: 100%;
}

.problem-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
}

.problem-icon img { width: 28px; height: 28px; object-fit: contain; }
.problem-icon.blue   { background: #eff6ff; }
.problem-icon.green  { background: #f0fdf4; }
.problem-icon.orange { background: #fff7ed; }
.problem-card h3 { font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.problem-card p  { font-size: 16px; color: var(--medium); line-height: 1.625; margin: 0; }

/* ===== FEATURES SECTION ===== */
.features-section { padding: 128px 0; }

.features-intro h2 {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.9px;
    line-height: 1.25;
    color: var(--dark);
}

.features-intro h2 .c-primary { color: var(--primary); }
.features-intro p { font-size: 16px; color: var(--light); line-height: 1.625; }

.features-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
}

.features-link:hover { color: #1a7a99; }
.features-link img { width: 16px; height: 16px; }

.feature-card {
    background: white;
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 32px;
    height: 100%;
}

.feature-emoji { font-size: 30px; display: block; margin-bottom: 20px; }
.feature-card h4 { font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.feature-card p  { font-size: 14px; color: var(--light); line-height: 1.625; margin: 0; }

/* ===== PLATFORMS SECTION ===== */
.platforms-section {
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    padding: 81px 0;
}

.platforms-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 1.4px;
}

.platform-item { font-weight: 900; font-size: 18px; color: var(--muted); }

/* ===== PRICING SECTION ===== */
.pricing-section { background: var(--bg-light); padding: 128px 0; }

.pricing-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 41px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.pricing-card.featured {
    border: 4px solid var(--primary);
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
    position: relative;
    margin-top: -12px;
}

.popular-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    font-weight: 900;
    font-size: 12px;
    padding: 6px 16px;
    border-radius: 9999px;
    white-space: nowrap;
}

.pricing-name { font-weight: 700; font-size: 18px; color: var(--dark); margin-bottom: 8px; }
.pricing-amount { font-weight: 900; font-size: 36px; color: var(--dark); line-height: 1.1; }
.pricing-period { font-size: 16px; color: var(--muted); }
.pricing-desc { font-size: 14px; color: var(--light); padding-top: 8px; margin-bottom: 32px; }

.pricing-features {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
    flex: 1;
}

.pricing-features li { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--dark); }
.pricing-features li img { width: 16.667px; height: 16.667px; flex-shrink: 0; }
.pricing-features li.inactive { color: var(--muted); }

.btn-plan {
    display: block;
    width: 100%;
    padding: 18px;
    border-radius: 12px;
    font-size: 16px;
    font-family: var(--font);
    font-weight: 500;
    text-align: center;
    border: 2px solid var(--border);
    background: white;
    color: var(--dark);
    text-decoration: none;
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.btn-plan:hover { border-color: var(--primary); color: var(--primary); }

.btn-plan.featured {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 10px 15px -3px rgba(30,141,174,0.3), 0 4px 6px -4px rgba(30,141,174,0.3);
}

.btn-plan.featured:hover { background: #1a7a99; border-color: #1a7a99; color: white; }

/* ===== FAQ SECTION ===== */
.faq-section { padding: 128px 0; }

.faq-title { font-size: 30px; font-weight: 700; color: var(--dark); }

/* Bootstrap Accordion 스타일 오버라이드 */
.accordion-item {
    border: 1px solid var(--border) !important;
    border-radius: 12px !important;
    overflow: hidden;
    background: white;
}

.accordion-button {
    font-family: var(--font) !important;
    font-size: 16px !important;
    font-weight: 500 !important;
    color: var(--dark) !important;
    background: white !important;
    padding: 22px 25px !important;
    box-shadow: none !important;
}

.accordion-button:not(.collapsed) { color: var(--primary) !important; }

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E") !important;
    background-size: 12px 8px !important;
    width: 12px !important;
    height: 8px !important;
    transition: transform 0.2s ease !important;
}

.accordion-button:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%231e8dae' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E") !important;
}

.accordion-body {
    font-family: var(--font);
    font-size: 15px;
    color: var(--medium);
    line-height: 1.6;
    padding: 0 25px 22px !important;
}

.accordion-collapse { transition: height 0.3s ease !important; }

/* ===== CTA SECTION ===== */
.cta-section { padding: 96px 0; }

.cta-inner {
    background: linear-gradient(158.29deg, #1e8dae 0%, #1d4ed8 100%);
    border-radius: 48px;
    padding: 96px;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.cta-inner::before {
    content: '';
    position: absolute;
    top: -192px; right: -192px;
    width: 384px; height: 384px;
    background: rgba(255,255,255,0.1);
    border-radius: 9999px;
    filter: blur(32px);
}

.cta-inner::after {
    content: '';
    position: absolute;
    bottom: -192px; left: -192px;
    width: 384px; height: 384px;
    background: rgba(30,58,138,0.2);
    border-radius: 9999px;
    filter: blur(32px);
}

.cta-content { position: relative; z-index: 1; }
.cta-inner h2 { font-size: 48px; font-weight: 700; color: white; }
.cta-desc { font-size: 20px; color: rgba(255,255,255,0.9); line-height: 1.4; }

.btn-cta-primary {
    display: inline-flex;
    align-items: center;
    padding: 20px 40px;
    background: white;
    color: var(--primary);
    font-size: 20px;
    font-weight: 500;
    border-radius: 16px;
    text-decoration: none;
    white-space: nowrap;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
}

.btn-cta-primary:hover { color: #1a7a99; }

.btn-cta-secondary {
    display: inline-flex;
    align-items: center;
    padding: 21px 41px;
    background: rgba(255,255,255,0.1);
    color: white;
    font-size: 20px;
    font-weight: 500;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.2);
    text-decoration: none;
    white-space: nowrap;
    backdrop-filter: blur(6px);
}

.btn-cta-secondary:hover { background: rgba(255,255,255,0.2); color: white; }

/* ===== FOOTER ===== */
.site-footer {
    background: white;
    border-top: 1px solid var(--border-light);
    padding: 81px 0 80px;
}

.footer-logo-text {
    font-weight: 800;
    font-size: 18px;
    color: var(--primary);
    letter-spacing: -0.45px;
}

.footer-tagline { font-size: 14px; color: var(--light); line-height: 1.625; }

.social-link {
    width: 40px; height: 40px;
    background: var(--border-light);
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.social-link img { width: 16px; height: 16px; object-fit: contain; }

.footer-col-title {
    font-size: 14px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 1.4px;
    font-weight: 500;
}

.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li + li { margin-top: 16px; }
.footer-links a { font-size: 14px; color: var(--dark); text-decoration: none; }
.footer-links a:hover { color: var(--primary); }

.footer-copy { font-size: 14px; color: var(--muted); }