/*
Theme Name: Art Trust Gallery
Theme URI: https://theartoftrust.net
Description: 예술과 신뢰를 위한 우아한 미니멀 테마
Version: 1.0
Author: Art Trust Team
Text Domain: tat5k-theme
*/

/* 기본 리셋 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Georgia, 'Times New Roman', serif;
    background-color: #F5F1EA;
    color: #2D2D2D;
    line-height: 1.7;
    font-size: 17px;
}

.tat5k-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* 헤더 */
.tat5k-header {
    background: rgba(245, 241, 234, 0.97);
    padding: 30px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(45, 45, 45, 0.1);
    backdrop-filter: blur(10px);
}

.tat5k-header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tat5k-site-logo a {
    font-size: 26px;
    font-weight: 400;
    color: #2D2D2D;
    text-decoration: none;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.tat5k-nav-menu {
    display: flex;
    list-style: none;
    gap: 50px;
}

.tat5k-nav-menu a {
    color: #5A5A5A;
    text-decoration: none;
    font-weight: 400;
    transition: color 0.3s;
    font-size: 14px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.tat5k-nav-menu a:hover {
    color: #2D2D2D;
}

.tat5k-mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: #2D2D2D;
    font-size: 24px;
    cursor: pointer;
}

/* 히어로 섹션 */
.tat5k-hero {
    padding: 180px 0 100px;
    text-align: center;
}

.tat5k-hero-title {
    font-size: 80px;
    font-weight: 300;
    margin-bottom: 40px;
    line-height: 1.1;
    letter-spacing: -1px;
    color: #2D2D2D;
}

.tat5k-hero-subtitle {
    font-size: 18px;
    color: #5A5A5A;
    margin-bottom: 60px;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-style: italic;
}

.tat5k-hero-image {
    width: 100%;
    max-width: 1200px;
    height: 600px;
    margin: 0 auto;
    border-radius: 4px;
    overflow: hidden;
    background: #E5E1D8;
}

.tat5k-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 소개 섹션 */
.tat5k-intro-section {
    padding: 140px 0;
    background: #fff;
}

.tat5k-section-label {
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 25px;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.tat5k-intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.tat5k-intro-text h2 {
    font-size: 52px;
    font-weight: 300;
    margin-bottom: 35px;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.tat5k-intro-text p {
    font-size: 18px;
    color: #5A5A5A;
    line-height: 1.9;
    margin-bottom: 20px;
}

.tat5k-intro-image {
    width: 100%;
    height: 550px;
    background: #E5E1D8;
    border-radius: 4px;
    overflow: hidden;
}

.tat5k-intro-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 특징 섹션 */
.tat5k-features-section {
    padding: 140px 0;
    background: #F5F1EA;
}

.tat5k-section-header {
    text-align: center;
    margin-bottom: 90px;
}

.tat5k-section-title {
    font-size: 56px;
    font-weight: 300;
    margin-bottom: 25px;
    letter-spacing: -0.5px;
}

.tat5k-section-subtitle {
    font-size: 18px;
    color: #5A5A5A;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

.tat5k-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 60px;
}

.tat5k-feature-card {
    text-align: center;
}

.tat5k-feature-number {
    font-size: 14px;
    color: #999;
    margin-bottom: 20px;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    letter-spacing: 1px;
}

.tat5k-feature-title {
    font-size: 22px;
    font-weight: 400;
    margin-bottom: 18px;
    line-height: 1.3;
}

.tat5k-feature-desc {
    font-size: 16px;
    color: #5A5A5A;
    line-height: 1.8;
}

/* 최신 게시물 */
.tat5k-posts-section {
    padding: 140px 0;
    background: #fff;
}

.tat5k-posts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    margin-top: 80px;
}

.tat5k-post-card {
    text-decoration: none;
    display: block;
    transition: transform 0.4s ease;
}

.tat5k-post-card:hover {
    transform: translateY(-10px);
}

.tat5k-post-thumbnail {
    width: 100%;
    height: 450px;
    background: #E5E1D8;
    margin-bottom: 30px;
    overflow: hidden;
    border-radius: 4px;
}

.tat5k-post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.tat5k-post-card:hover .tat5k-post-thumbnail img {
    transform: scale(1.05);
}

.tat5k-post-content {
    padding: 0 10px;
}

.tat5k-post-date {
    font-size: 13px;
    color: #999;
    margin-bottom: 12px;
    letter-spacing: 1px;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.tat5k-post-title {
    font-size: 32px;
    font-weight: 400;
    color: #2D2D2D;
    margin-bottom: 18px;
    line-height: 1.3;
}

.tat5k-post-excerpt {
    font-size: 17px;
    color: #5A5A5A;
    line-height: 1.8;
}

/* 푸터 */
.tat5k-footer {
    background: #2D2D2D;
    padding: 100px 0 50px;
    color: #D5D5D5;
}

.tat5k-footer-content {
    text-align: center;
    margin-bottom: 60px;
}

.tat5k-footer-title {
    font-size: 30px;
    font-weight: 300;
    margin-bottom: 25px;
    letter-spacing: 3px;
    color: #fff;
    text-transform: uppercase;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.tat5k-footer-desc {
    color: #999;
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto 50px;
    line-height: 1.8;
}

.tat5k-footer-nav {
    display: flex;
    justify-content: center;
    gap: 40px;
    list-style: none;
    margin-bottom: 50px;
}

.tat5k-footer-nav a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 13px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.tat5k-footer-nav a:hover {
    color: #fff;
}

.tat5k-copyright {
    color: #666;
    font-size: 13px;
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid #444;
    letter-spacing: 1px;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

/* 반응형 */
@media (max-width: 1024px) {
    .tat5k-nav-menu {
        display: none;
        position: fixed;
        top: 87px;
        left: 0;
        right: 0;
        background: rgba(245, 241, 234, 0.97);
        flex-direction: column;
        padding: 40px;
        gap: 25px;
        border-bottom: 1px solid rgba(45, 45, 45, 0.1);
    }

    .tat5k-nav-menu.active {
        display: flex;
    }

    .tat5k-mobile-toggle {
        display: block;
    }

    .tat5k-hero-title {
        font-size: 56px;
    }

    .tat5k-intro-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .tat5k-intro-text h2 {
        font-size: 42px;
    }

    .tat5k-features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 50px;
    }

    .tat5k-posts-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .tat5k-section-title {
        font-size: 44px;
    }

    .tat5k-footer-nav {
        flex-direction: column;
        gap: 20px;
    }
}

@media (max-width: 640px) {
    .tat5k-container {
        padding: 0 24px;
    }

    .tat5k-hero-title {
        font-size: 40px;
    }

    .tat5k-hero {
        padding: 120px 0 80px;
    }

    .tat5k-hero-image {
        height: 400px;
    }

    .tat5k-intro-section,
    .tat5k-features-section,
    .tat5k-posts-section {
        padding: 90px 0;
    }

    .tat5k-section-title {
        font-size: 34px;
    }

    .tat5k-intro-text h2 {
        font-size: 32px;
    }

    .tat5k-features-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .tat5k-post-thumbnail {
        height: 350px;
    }

    .tat5k-post-title {
        font-size: 26px;
    }
}

/* 개별 게시물 페이지 */
.tat5k-single-post {
    max-width: 900px;
    margin: 100px auto;
    padding: 0 40px;
}

.tat5k-single-header {
    margin-bottom: 60px;
    text-align: center;
}

.tat5k-single-title {
    font-size: 52px;
    font-weight: 300;
    margin-bottom: 30px;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.tat5k-single-meta {
    color: #999;
    font-size: 14px;
    letter-spacing: 1px;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.tat5k-single-featured {
    width: 100%;
    height: 550px;
    margin-bottom: 60px;
    border-radius: 4px;
    overflow: hidden;
    background: #E5E1D8;
}

.tat5k-single-featured img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tat5k-single-content {
    font-size: 19px;
    line-height: 1.9;
    color: #3D3D3D;
}

.tat5k-single-content h2 {
    font-size: 38px;
    margin: 50px 0 25px;
    font-weight: 300;
}

.tat5k-single-content h3 {
    font-size: 30px;
    margin: 45px 0 22px;
    font-weight: 300;
}

.tat5k-single-content p {
    margin-bottom: 28px;
}

.tat5k-single-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 40px 0;
}

/* 아카이브 페이지 */
.tat5k-archive {
    padding: 100px 0;
}

.tat5k-archive-header {
    text-align: center;
    margin-bottom: 90px;
}

.tat5k-archive-title {
    font-size: 56px;
    font-weight: 300;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.tat5k-archive-description {
    font-size: 18px;
    color: #5A5A5A;
    line-height: 1.8;
}

/* 페이지 템플릿 */
.tat5k-page {
    max-width: 1000px;
    margin: 100px auto;
    padding: 0 40px;
}

.tat5k-page-title {
    font-size: 56px;
    font-weight: 300;
    margin-bottom: 60px;
    letter-spacing: -0.5px;
    text-align: center;
}

.tat5k-page-content {
    font-size: 19px;
    line-height: 1.9;
    color: #3D3D3D;
}