/* Nikka 前台樣式 - shishi + shadcn inspired */
@import url('design-system.css');

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

:root {
    --bg-main: #FFFFFF;
    --bg-secondary: #F4F4F5;
    --bg-tertiary: #E8EBED;
    --text-main: #0A0A0A;
    --text-secondary: #71717A;
    --text-light: #A1A1AA;
    --border: #E4E4E7;
    --hover: #27272A;
    --success: #2D8C5A;
    --warning: #B8860B;
    --error: #C0392B;
    --info: #0064B4;
    --canvas: #E8EBED;
    --foreground: #0A0A0A;
    --background: #FFFFFF;
    --muted: #F4F4F5;
    --muted-foreground: #71717A;
    --accent-red: #C8102E;
    --accent-blue: #0064B4;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-pill: 9999px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);
}

body {
    font-family: "Inter", "Noto Sans TC", "Noto Sans JP", -apple-system, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-main);
    background: var(--bg-main);
}

/* ========================================
   導航列
   ======================================== */
.navbar {
    background: var(--bg-main);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.navbar-logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
}

.navbar-logo img {
    height: 40px;
    margin-right: 8px;
    object-fit: contain;
}

.navbar-nav {
    display: flex;
    gap: 32px;
    list-style: none;
}

.navbar-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.15s;
}

.navbar-nav a:hover {
    color: var(--text-main);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 12px;
}

.navbar-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 4px;
    transition: color 0.15s, background 0.15s, border-color 0.15s;
    white-space: nowrap;
}

.navbar-menu a:hover {
    color: var(--text-main);
}

.navbar-menu a.nav-link {
    padding: 8px 12px;
}

.navbar-menu a.nav-link:hover {
    background: var(--bg-tertiary);
}

.navbar-menu a.nav-btn-primary {
    background: var(--text-main);
    color: var(--bg-main);
}

.navbar-menu a.nav-btn-primary:hover {
    background: var(--hover);
    color: var(--bg-main);
}

.navbar-menu a.nav-btn-secondary {
    background: var(--bg-main);
    color: var(--text-main);
    border: 1px solid var(--text-main);
}

.navbar-menu a.nav-btn-secondary:hover {
    background: var(--bg-tertiary);
}

.navbar-menu a.active {
    color: var(--text-main);
    font-weight: 600;
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

/* ========================================
   容器與佈局
   ======================================== */
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-wide {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 64px 0;
}

/* ========================================
   Hero區
   ======================================== */
.hero {
    text-align: center;
    padding: 260px 24px;
    background: var(--bg-secondary) url('/assets/hero.jpg') center center / cover no-repeat;
    position: relative;
    overflow: hidden;
    color: #fff;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1,
.hero-title {
    color: #fff;
}

.hero-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: 32px;
}

.hero-cta,
.hero-buttons {
    display: inline-flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

/* ========================================
   按鈕
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 24px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all 0.18s ease;
}

.btn-primary {
    background: var(--text-main);
    color: var(--bg-main);
}

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

.btn-secondary {
    background: var(--bg-main);
    color: var(--text-main);
    border: 1px solid var(--text-main);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
}

.btn-lg {
    padding: 16px 48px;
    font-size: 17px;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 14px;
}

/* ========================================
   卡片
   ======================================== */
.card {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.card-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-main);
}

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

/* ========================================
   表單
   ======================================== */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 14px;
    font-size: 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--background);
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--text-main);
    box-shadow: 0 0 0 3px var(--ring, rgba(10, 10, 10, 0.08));
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

/* ========================================
   格線
   ======================================== */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* ========================================
   服務區塊
   ======================================== */
.section-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 48px;
    color: var(--text-main);
}

.section-light {
    background: var(--bg-secondary);
}

.section-dark {
    background: var(--text-main);
    color: var(--bg-main);
}

.section-dark .section-title {
    color: var(--bg-main);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.service-card {
    text-align: center;
    padding: 32px;
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.service-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-main);
}

.service-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   公告區塊
   ======================================== */
.announcements {
    max-width: 800px;
    margin: 0 auto;
}

.announcement-item {
    display: flex;
    gap: 24px;
    padding: 24px;
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 16px;
}

.announcement-date {
    flex-shrink: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.announcement-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-main);
}

.announcement-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   聯絡資訊
   ======================================== */
.contact-info {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

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

.contact-item strong {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
}

.contact-item span {
    font-size: 16px;
}

/* ========================================
   頁尾
   ======================================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 13px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-copyright {
    margin: 0;
}

.footer-design {
    margin: 0 0 0 auto;
    text-align: right;
    font-size: 12px;
    color: var(--text-light);
}

.footer-design a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.15s;
}

.footer-design a:hover {
    color: var(--text-main);
}

/* ========================================
   狀態標籤
   ======================================== */
.badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 12px;
}

.badge-success {
    background: #E8F5E9;
    color: var(--success);
}

.badge-warning {
    background: #FFF9E6;
    color: var(--warning);
}

.badge-info {
    background: #E3F2FD;
    color: var(--info);
}

/* ========================================
   訊息提示
   ======================================== */
.alert {
    padding: 16px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-success {
    background: #E8F5E9;
    color: var(--success);
    border: 1px solid var(--success);
}

.alert-error {
    background: #FFEBEE;
    color: var(--error);
    border: 1px solid var(--error);
}

/* ========================================
   工具類
   ======================================== */
.text-center { text-align: center; }
.text-muted { color: var(--text-light); }
.mt-3 { margin-top: 24px; }
.mb-3 { margin-bottom: 24px; }

/* ========================================
   首頁升級版樣式
   ======================================== */
.home-page {
    overflow: hidden;
}

.home-hero {
    position: relative;
    padding: 96px 0 72px;
    background:
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.14), transparent 38%),
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1), transparent 32%),
        linear-gradient(135deg, rgba(20, 20, 20, 0.68), rgba(20, 20, 20, 0.52)),
        url('/assets/hero.jpg') center center / cover no-repeat;
    color: #fff;
}

.home-hero-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr;
    gap: 24px;
    align-items: stretch;
}

.home-hero-main,
.home-hero-panel {
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 16px;
    background: rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(4px);
}

.home-hero-main {
    padding: 32px;
}

.home-badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .06em;
    color: rgba(255,255,255,.92);
    border: 1px solid rgba(255,255,255,.35);
    border-radius: 999px;
    padding: 6px 12px;
    margin-bottom: 18px;
}

.home-hero-title {
    font-size: clamp(30px, 5vw, 48px);
    line-height: 1.2;
    margin-bottom: 14px;
}

.home-hero-subtitle {
    color: rgba(255, 255, 255, .92);
    font-size: 17px;
    margin-bottom: 28px;
    max-width: 620px;
}

.home-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.home-trust-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
    font-size: 14px;
    color: rgba(255,255,255,.86);
}

.home-hero-panel {
    padding: 24px;
}

.home-hero-panel h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.home-quick-steps {
    margin-left: 18px;
    color: rgba(255,255,255,.9);
}

.home-quick-steps li {
    margin-bottom: 8px;
}

.home-hero-panel-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.home-hero .btn-primary {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.home-hero .btn-secondary {
    background: rgba(255, 255, 255, 0.9);
}

.home-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.home-stat-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px 20px;
    box-shadow: 0 10px 24px rgba(0,0,0,0.04);
    transition: transform .25s ease, box-shadow .25s ease;
}

.home-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}

.home-stat-label {
    font-size: 13px;
    color: var(--text-light);
}

.home-stat-value {
    font-size: 28px;
    font-weight: 700;
    margin: 6px 0;
}

.home-stat-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

.home-services-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.home-service-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 26px 22px;
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.home-service-card:hover {
    transform: translateY(-5px);
    border-color: #c5c5c5;
    box-shadow: 0 14px 28px rgba(0,0,0,.07);
}

.home-service-icon {
    font-size: 28px;
    margin-bottom: 10px;
}

.home-service-card h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.home-service-card p {
    color: var(--text-secondary);
}

.home-process-tabs {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 16px;
}

.home-process-tab {
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text-secondary);
    border-radius: 10px;
    padding: 12px 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s ease;
}

.home-process-tab:hover {
    border-color: #bdbdbd;
}

.home-process-tab.active {
    background: var(--text-main);
    color: #fff;
    border-color: var(--text-main);
}

.home-process-panels {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 22px;
}

.home-process-panel {
    display: none;
}

.home-process-panel.active {
    display: block;
    animation: fadeInHome .25s ease;
}

.home-process-panel h3 {
    margin-bottom: 8px;
    font-size: 22px;
}

.home-process-panel p {
    color: var(--text-secondary);
}

.home-announcements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 14px;
}

.home-announcement-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    transition: box-shadow .2s ease, transform .2s ease;
}

.home-announcement-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,.06);
}

.home-announcement-date {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.home-announcement-card h3 {
    font-size: 17px;
    margin-bottom: 8px;
}

.home-announcement-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

.home-faq-list {
    max-width: 860px;
    margin: 0 auto;
}

.home-faq-item {
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 10px;
    background: #fff;
}

.home-faq-question {
    width: 100%;
    text-align: left;
    background: transparent;
    border: 0;
    padding: 16px 18px;
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    position: relative;
}

.home-faq-question::after {
    content: '+';
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    color: var(--text-light);
}

.home-faq-item.open .home-faq-question::after {
    content: '-';
}

.home-faq-answer {
    display: none;
    padding: 0 18px 16px;
    color: var(--text-secondary);
}

.home-faq-item.open .home-faq-answer {
    display: block;
}

.home-contact-cta .section-title {
    margin-bottom: 10px;
}

.home-contact-lead {
    text-align: center;
    color: rgba(255, 255, 255, 0.78);
    margin: 0 auto 28px;
    max-width: 520px;
    font-size: 15px;
}

.home-contact-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    max-width: 1100px;
    margin: 0 auto;
}

.home-contact-grid .contact-item {
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 14px;
    padding: 20px 16px;
    text-align: center;
    background: rgba(255, 255, 255, 0.04);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

.home-contact-grid .contact-item.contact-link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.home-contact-grid .contact-item.contact-link:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
}

.home-contact-grid .contact-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 18px;
}

.home-contact-grid .contact-line .contact-icon {
    background: #06c755;
}

.home-contact-grid .contact-label {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.7);
}

.home-contact-grid .contact-value {
    color: rgba(255, 255, 255, 0.95);
    font-size: 15px;
    font-weight: 600;
    word-break: break-word;
}

@media (max-width: 1024px) {
    .home-contact-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@keyframes fadeInHome {
    from {
        opacity: 0;
        transform: translateY(3px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   響應式
   ======================================== */
@media (max-width: 768px) {
    .navbar-nav {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-main);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
    }
    
    .navbar-nav.open {
        display: flex;
    }
    
    .navbar-menu {
        gap: 8px;
    }
    
    .navbar-menu a {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    .navbar-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero {
        padding: 60px 24px;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .btn-lg {
        width: 100%;
    }
    
    .section-title {
        font-size: 24px;
        margin-bottom: 32px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .announcement-item {
        flex-direction: column;
        gap: 12px;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 24px;
    }
    
    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-design {
        margin-left: 0;
        text-align: center;
    }
    
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .home-hero {
        padding: 64px 0 48px;
    }

    .home-hero-grid {
        grid-template-columns: 1fr;
    }

    .home-hero-main,
    .home-hero-panel {
        padding: 22px;
    }

    .home-hero-actions .btn {
        width: 100%;
    }

    .home-stats-grid,
    .home-services-grid,
    .home-process-tabs,
    .home-contact-grid {
        grid-template-columns: 1fr;
    }

    .home-process-tab {
        text-align: left;
    }
}