/* TaxBaik — 워밍-프로페셔널 디자인 시스템 */

:root {
    /* 워밍-프로페셔널 팔레트 */
    --color-primary: #C89D6E;        /* 따뜻한 골드/브론즈 */
    --color-primary-dark: #A67C52;   /* 진한 브론즈 */
    --color-secondary: #2E5C4E;      /* 따뜻한 초록 */
    --color-secondary-dark: #1F3A30; /* 어두운 초록 */
    --color-accent: #E8E4D8;         /* 따뜻한 베이지 */
    --color-accent-dark: #D9D3C4;    /* 더 진한 베이지 */
    --color-bg: #F9F7F3;             /* 따뜻한 화이트 */
    --color-bg-alt: #EFE9DD;         /* 대체 배경 */
    --color-text: #3D2817;           /* 따뜻한 갈색 */
    --color-text-light: #6B5D4F;     /* 밝은 갈색 */
    --color-border: #D9D3C4;         /* 경계선 */
    --color-success: #2E7D32;
    --color-warning: #F57C00;
    --color-danger: #C62828;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    --shadow-sm: 0 1px 3px rgba(61, 40, 23, 0.08);
    --shadow-md: 0 4px 12px rgba(61, 40, 23, 0.12);
    --shadow-lg: 0 8px 24px rgba(61, 40, 23, 0.15);
    --shadow-xl: 0 12px 48px rgba(61, 40, 23, 0.18);

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    font-family: 'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

body {
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.8;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    letter-spacing: 0.3px;
}

/* ===== 타이포그래피 ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.5px;
}

h1 { font-size: clamp(2rem, 6vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 4vw, 2rem); }
h4 { font-size: 1.35rem; }
h5 { font-size: 1.15rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
    line-height: 1.85;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

a:hover {
    color: var(--color-secondary);
    text-decoration: none;
}

/* ===== 버튼 ===== */
.btn {
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    letter-spacing: 0.3px;
    display: inline-block;
    text-align: center;
    text-decoration: none;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, #8B5E3C 100%);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.btn-warning {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-warning:hover {
    background: linear-gradient(135deg, var(--color-secondary-dark) 0%, #0D1E1A 100%);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

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

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

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.95rem;
}

/* ===== 카드 ===== */
.card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    background: white;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.card-body {
    padding: var(--spacing-xl);
}

.card-title {
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.card-text {
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ===== 히어로 섹션 ===== */
.hero-section {
    padding: clamp(3rem, 20vh, 6rem) 0;
    background: linear-gradient(135deg, var(--color-secondary) 0%, #1F3A30 100%);
    color: white;
    position: relative;
    overflow: hidden;
    border-bottom: 4px solid var(--color-primary);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: rgba(200, 157, 110, 0.1);
    border-radius: 50%;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: rgba(232, 228, 216, 0.05);
    border-radius: 50%;
}

.hero-section h1 {
    font-size: clamp(2rem, 8vw, 3.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
    color: white;
}

.hero-section p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
}

/* ===== 섹션 ===== */
.bg-light {
    background-color: var(--color-accent) !important;
}

.bg-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.section-title {
    font-size: clamp(1.75rem, 5vw, 2.75rem);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
    text-align: center;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    margin: var(--spacing-md) auto 0;
    border-radius: 2px;
}

/* ===== 휴스 스트립 (신뢰도) ===== */
.trust-strip {
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-accent) 100%);
    padding: var(--spacing-3xl) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

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

.trust-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.trust-item h3 {
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    font-size: 1.35rem;
}

.trust-item p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ===== 배지 ===== */
.badge {
    border-radius: var(--radius-md);
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
    letter-spacing: 0.2px;
}

.bg-primary-badge {
    background-color: rgba(200, 157, 110, 0.15);
    color: var(--color-primary);
}

/* ===== 폼 ===== */
.form-control, .form-select {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all var(--transition-fast);
    background-color: white;
    color: var(--color-text);
}

.form-control:focus, .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(200, 157, 110, 0.1);
    outline: none;
}

/* ===== 모바일 CTA 바 ===== */
.mobile-cta-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-top: 2px solid var(--color-primary);
    padding: var(--spacing-md);
    z-index: 1000;
    box-shadow: 0 -4px 12px rgba(61, 40, 23, 0.1);
}

.btn-kakao-mobile {
    display: block;
    width: 100%;
    padding: 0.85rem;
    background: linear-gradient(135deg, #FFE812 0%, #FDD835 100%);
    color: #000;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 700;
    text-align: center;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    letter-spacing: 0.3px;
}

.btn-kakao-mobile:hover {
    background: linear-gradient(135deg, #FDD835 0%, #FBC02D 100%);
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

body.with-mobile-cta {
    padding-bottom: 70px;
}

/* ===== 네비게이션 ===== */
.navbar {
    background-color: white;
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 800;
    color: var(--color-primary) !important;
    font-size: 1.35rem;
    letter-spacing: -0.5px;
}

.nav-link {
    color: var(--color-text) !important;
    font-weight: 600;
    transition: all var(--transition-fast);
    margin: 0 var(--spacing-sm);
    letter-spacing: 0.2px;
}

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

/* ===== 반응형 ===== */
@media (max-width: 767.98px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.35rem; }

    .hero-section {
        padding: 2rem 0;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .card {
        margin-bottom: 1rem;
    }

    .btn {
        padding: 0.65rem 1.5rem;
        font-size: 0.95rem;
    }

    .trust-icon {
        font-size: 2.5rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 375px) {
    html { font-size: 15px; }

    h1 { font-size: 1.5rem; }

    .hero-section h1 {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-md);
    }

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

    .card-body {
        padding: 1rem;
    }
}

/* ===== 일반 유틸리티 ===== */
.text-muted {
    color: var(--color-text-light) !important;
}

.border-light {
    border-color: var(--color-border) !important;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
}

.container {
    max-width: 1200px;
}

/* ===== 서비스 카드 ===== */
.service-card {
    text-align: center;
    position: relative;
    border: none !important;
    background: white;
    padding-top: 0;
}

.service-icon {
    font-size: 3.5rem;
    display: block;
    margin-bottom: 0.5rem;
    margin-top: -1.5rem;
}

.service-card .card-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.service-card ul li {
    color: var(--color-text-light);
}

/* ===== 블로그 카드 ===== */
.blog-card {
    border: none !important;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.blog-placeholder {
    height: 180px;
    background: linear-gradient(135deg, rgba(200, 157, 110, 0.1) 0%, rgba(46, 92, 78, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: rgba(200, 157, 110, 0.3);
}

.blog-card:hover .blog-placeholder {
    background: linear-gradient(135deg, rgba(200, 157, 110, 0.2) 0%, rgba(46, 92, 78, 0.2) 100%);
}

.bg-primary-badge {
    background-color: rgba(200, 157, 110, 0.15) !important;
    color: var(--color-primary) !important;
}