/**
 * ==============================================================================
 * SAJANG CHECK (사장체크) DESIGN SYSTEM & CORE FRAMEWORK
 * Version: 1.0.0
 * Brand: 사장체크 (SAJANG CHECK)
 * Positioning: 소상공인을 위한 마케팅 진단·개선 서비스
 * Core Message: “잘하고 있는지 모르겠다면, 일단 체크하세요.”
 * ==============================================================================
 */

/* 1. WEBFONTS (Pretendard First) */
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css");

/* 2. DESIGN TOKENS */
:root {
    /* Brand Primary / Sajang Navy */
    --sc-navy: #16213E;
    --sc-navy-hover: #0F172C;
    --sc-navy-light: #F0F2F6;
    --sc-navy-dark: #0A0F1D;

    /* Brand Accent / Check Green */
    --sc-green: #20B486;
    --sc-green-hover: #199A72;
    --sc-green-light: #EBF8F4;
    --sc-green-subtle: #F2FAF7;

    /* Backgrounds */
    --sc-bg: #F6F7F9;
    --sc-bg-white: #FFFFFF;
    --sc-bg-subtle: #FAFAFC;

    /* Text Colors */
    --sc-text: #252A34;
    --sc-text-secondary: #737A86;
    --sc-text-muted: #9BA1AD;
    --sc-text-inverse: #FFFFFF;

    /* Borders */
    --sc-border: #E7E9ED;
    --sc-border-light: #F0F2F5;
    --sc-border-dark: #D4D8DF;

    /* Status Colors */
    --sc-warning: #F59E0B;
    --sc-warning-light: #FEF3C7;
    --sc-risk: #E45858;
    --sc-risk-light: #FEE2E2;
    --sc-info: #2563EB;
    --sc-info-light: #EFF6FF;

    /* Typography */
    --sc-font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

    /* Border Radii */
    --sc-radius-xs: 4px;
    --sc-radius-sm: 8px;
    --sc-radius-md: 12px;
    --sc-radius-lg: 16px;
    --sc-radius-full: 9999px;

    /* Controlled Shadows (Minimal, Border-centric) */
    --sc-shadow-none: none;
    --sc-shadow-subtle: 0 1px 2px 0 rgba(16, 24, 40, 0.04);
    --sc-shadow-card: 0 1px 3px 0 rgba(16, 24, 40, 0.03), 0 1px 2px -1px rgba(16, 24, 40, 0.03);
    --sc-shadow-dropdown: 0 4px 16px -2px rgba(16, 24, 40, 0.08);

    /* Transitions */
    --sc-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --sc-transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Dimensions */
    --sc-max-width: 1160px;
    --sc-header-height: 68px;
    --sc-header-height-mobile: 60px;
}

/* 3. RESET & BASE ELEMENTS */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body.sc-body-base,
body {
    margin: 0;
    padding: 0;
    font-family: var(--sc-font-family);
    background-color: var(--sc-bg);
    color: var(--sc-text);
    font-size: 15px;
    line-height: 1.6;
    letter-spacing: -0.015em;
    word-break: keep-all;
    overflow-wrap: break-word;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 4. TYPOGRAPHY SYSTEM */
.sc-h1 {
    font-size: 2.25rem;
    line-height: 1.25;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--sc-navy);
}

.sc-h2 {
    font-size: 1.75rem;
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--sc-navy);
}

.sc-h3 {
    font-size: 1.35rem;
    line-height: 1.35;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--sc-navy);
}

.sc-h4 {
    font-size: 1.125rem;
    line-height: 1.4;
    font-weight: 600;
    letter-spacing: -0.015em;
    color: var(--sc-navy);
}

.sc-text-lead {
    font-size: 1.125rem;
    line-height: 1.65;
    color: var(--sc-text-secondary);
}

.sc-text-body {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--sc-text);
}

.sc-text-secondary {
    color: var(--sc-text-secondary);
}

.sc-text-muted {
    font-size: 0.8125rem;
    color: var(--sc-text-muted);
}

/* 5. LAYOUT CONTAINERS */
.sc-container {
    width: 100%;
    max-width: var(--sc-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

@media (min-width: 768px) {
    .sc-container {
        padding-left: 28px;
        padding-right: 28px;
    }
}

/* 6. BUTTON SYSTEM */
.sc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--sc-font-family);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: var(--sc-radius-sm);
    transition: all var(--sc-transition-base);
    white-space: nowrap;
    user-select: none;
    vertical-align: middle;
    box-sizing: border-box;
}

.sc-btn:disabled,
.sc-btn[disabled] {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
}

/* Primary Button: Check Green (#20B486) */
.sc-btn-primary {
    background-color: var(--sc-green);
    color: var(--sc-text-inverse);
    border-color: var(--sc-green);
    box-shadow: 0 1px 2px rgba(32, 180, 134, 0.15);
}

.sc-btn-primary:hover {
    background-color: var(--sc-green-hover);
    border-color: var(--sc-green-hover);
    color: var(--sc-text-inverse);
    transform: translateY(-1px);
}

.sc-btn-primary:active {
    transform: translateY(0);
}

/* Secondary Button: White Background + Navy Border */
.sc-btn-secondary {
    background-color: var(--sc-bg-white);
    color: var(--sc-navy);
    border: 1.5px solid var(--sc-navy);
}

.sc-btn-secondary:hover {
    background-color: var(--sc-navy-light);
    color: var(--sc-navy);
}

/* Action / Service Button: Sajang Navy (#16213E) */
.sc-btn-navy {
    background-color: var(--sc-navy);
    color: var(--sc-text-inverse);
    border-color: var(--sc-navy);
}

.sc-btn-navy:hover {
    background-color: var(--sc-navy-hover);
    border-color: var(--sc-navy-hover);
    color: var(--sc-text-inverse);
    transform: translateY(-1px);
}

/* Ghost / Text Button */
.sc-btn-ghost {
    background-color: transparent;
    color: var(--sc-text-secondary);
    border-color: transparent;
}

.sc-btn-ghost:hover {
    background-color: var(--sc-navy-light);
    color: var(--sc-navy);
}

/* Button Sizes */
.sc-btn-sm {
    height: 34px;
    padding: 0 14px;
    font-size: 0.8125rem;
    border-radius: var(--sc-radius-sm);
}

.sc-btn-md {
    height: 42px;
    padding: 0 18px;
    font-size: 0.875rem;
    border-radius: var(--sc-radius-sm);
}

.sc-btn-lg {
    height: 50px;
    padding: 0 24px;
    font-size: 1rem;
    border-radius: var(--sc-radius-md);
}

/* 7. CARD SYSTEM */
.sc-card {
    background-color: var(--sc-bg-white);
    border: 1px solid var(--sc-border);
    border-radius: var(--sc-radius-lg); /* 14px */
    padding: 24px;
    box-shadow: var(--sc-shadow-card);
    transition: border-color var(--sc-transition-base), box-shadow var(--sc-transition-base);
}

.sc-card-interactive:hover {
    border-color: var(--sc-border-dark);
}

.sc-card-compact {
    padding: 18px;
    border-radius: var(--sc-radius-md);
}

/* 8. BADGES & STATUS TAGS */
.sc-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.4;
    border-radius: var(--sc-radius-full);
    border: 1px solid transparent;
}

.sc-badge-navy {
    background-color: var(--sc-navy-light);
    color: var(--sc-navy);
    border-color: var(--sc-border);
}

.sc-badge-green {
    background-color: var(--sc-green-light);
    color: var(--sc-green-hover);
    border-color: rgba(32, 180, 134, 0.2);
}

.sc-badge-warning {
    background-color: var(--sc-warning-light);
    color: #B45309;
    border-color: rgba(245, 158, 11, 0.2);
}

.sc-badge-risk {
    background-color: var(--sc-risk-light);
    color: var(--sc-risk);
    border-color: rgba(228, 88, 88, 0.2);
}

/* Outline Status Indicator Dot */
.sc-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.sc-dot-green { background-color: var(--sc-green); }
.sc-dot-navy { background-color: var(--sc-navy); }
.sc-dot-warning { background-color: var(--sc-warning); }
.sc-dot-risk { background-color: var(--sc-risk); }

/* 9. HEADER COMPONENT */
.sc-header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--sc-header-height);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--sc-border);
    transition: background-color var(--sc-transition-base);
}

.sc-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--sc-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

@media (min-width: 768px) {
    .sc-header-inner {
        padding: 0 28px;
    }
}

/* Brand Wordmark */
.sc-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--sc-navy);
}

.sc-logo-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--sc-radius-sm);
    background-color: var(--sc-navy);
    color: var(--sc-text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8125rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    flex-shrink: 0;
}

.sc-logo-text {
    display: flex;
    flex-direction: column;
}

.sc-logo-title {
    font-size: 1.125rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--sc-navy);
    line-height: 1.15;
}

.sc-logo-sub {
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--sc-text-secondary);
    margin-top: 1px;
}

/* Desktop Navigation */
.sc-nav-desktop {
    display: none;
    align-items: center;
    gap: 24px;
}

@media (min-width: 992px) {
    .sc-nav-desktop {
        display: flex;
        gap: 32px;
    }
}

.sc-nav-link {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--sc-text-secondary);
    text-decoration: none;
    padding: 8px 0;
    position: relative;
    transition: color var(--sc-transition-fast);
}

.sc-nav-link:hover,
.sc-nav-link.sc-active {
    color: var(--sc-navy);
}

.sc-nav-link.sc-active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--sc-navy);
    border-radius: 2px;
}

/* Header Action Right */
.sc-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

@media (min-width: 768px) {
    .sc-header-actions {
        gap: 12px;
    }
}

/* Hamburger Trigger */
.sc-hamburger-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--sc-border);
    border-radius: var(--sc-radius-sm);
    background-color: var(--sc-bg-white);
    color: var(--sc-navy);
    cursor: pointer;
    padding: 0;
    transition: background-color var(--sc-transition-fast);
}

.sc-hamburger-btn:hover {
    background-color: var(--sc-navy-light);
}

@media (min-width: 992px) {
    .sc-hamburger-btn {
        display: none;
    }
}

.sc-hamburger-icon {
    width: 18px;
    height: 14px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.sc-hamburger-icon span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--sc-navy);
    border-radius: 1px;
    transition: all var(--sc-transition-base);
}

/* Mobile Drawer & Backdrop */
.sc-mobile-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(22, 33, 62, 0.4);
    backdrop-filter: blur(3px);
    z-index: 150;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--sc-transition-base), visibility var(--sc-transition-base);
}

.sc-mobile-backdrop.sc-open {
    opacity: 1;
    visibility: visible;
}

.sc-mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 290px;
    max-width: 85vw;
    background-color: var(--sc-bg-white);
    z-index: 160;
    transform: translateX(100%);
    transition: transform 250ms cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -4px 0 24px rgba(16, 24, 40, 0.08);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sc-mobile-drawer.sc-open {
    transform: translateX(0);
}

.sc-drawer-header {
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--sc-border);
}

.sc-drawer-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--sc-text-secondary);
    font-size: 1.25rem;
    padding: 6px;
    line-height: 1;
}

.sc-drawer-nav {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}

.sc-drawer-link {
    font-size: 1rem;
    font-weight: 600;
    color: var(--sc-navy);
    text-decoration: none;
    padding: 10px 14px;
    border-radius: var(--sc-radius-sm);
    transition: background-color var(--sc-transition-fast);
}

.sc-drawer-link:hover,
.sc-drawer-link.sc-active {
    background-color: var(--sc-navy-light);
    color: var(--sc-navy);
}

.sc-drawer-footer {
    padding: 20px;
    border-top: 1px solid var(--sc-border);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* 10. FOOTER COMPONENT */
.sc-footer {
    background-color: var(--sc-bg-white);
    border-top: 1px solid var(--sc-border);
    padding: 48px 0 32px;
    color: var(--sc-text-secondary);
    font-size: 0.8125rem;
    line-height: 1.6;
}

.sc-footer-top {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 36px;
    border-bottom: 1px solid var(--sc-border-light);
}

@media (min-width: 768px) {
    .sc-footer-top {
        grid-template-columns: 1.4fr 2fr;
        gap: 48px;
    }
}

.sc-footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sc-footer-brand-title {
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--sc-navy);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sc-footer-desc {
    font-size: 0.875rem;
    color: var(--sc-text-secondary);
    margin: 0;
    line-height: 1.5;
}

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

@media (min-width: 576px) {
    .sc-footer-columns {
        grid-template-columns: repeat(3, 1fr);
    }
}

.sc-footer-group-title {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--sc-navy);
    letter-spacing: -0.01em;
    margin-bottom: 12px;
}

.sc-footer-group-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sc-footer-group-links a {
    color: var(--sc-text-secondary);
    text-decoration: none;
    transition: color var(--sc-transition-fast);
}

.sc-footer-group-links a:hover {
    color: var(--sc-navy);
    text-decoration: underline;
}

.sc-footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding-top: 24px;
    font-size: 0.75rem;
    color: var(--sc-text-muted);
}

@media (min-width: 768px) {
    .sc-footer-bottom {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.sc-footer-info {
    margin: 0;
}

.sc-footer-info a {
    color: var(--sc-text-secondary);
    text-decoration: none;
}

.sc-footer-info a:hover {
    text-decoration: underline;
}

.sc-footer-meta {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Subtle Unobtrusive Admin Link */
.sc-footer-admin {
    color: var(--sc-text-muted);
    text-decoration: none;
    font-size: 0.75rem;
    transition: color var(--sc-transition-fast);
}

.sc-footer-admin:hover {
    color: var(--sc-navy);
    text-decoration: underline;
}

/* 11. MOBILE STICKY CTA */
.sc-mobile-sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 90;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(8px);
    border-top: 1px solid var(--sc-border);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    box-shadow: 0 -2px 10px rgba(16, 24, 40, 0.05);
}

@media (min-width: 768px) {
    .sc-mobile-sticky-cta {
        display: none;
    }
}

.sc-mobile-sticky-cta .sc-btn {
    width: 100%;
}