/*
Theme Name:   GeneratePress KN Child
Theme URI:    http://www.kn.com.tw
Description:  光諾科技官方子主題 - 修正佈局並優化視覺設計
Author:       光諾科技股份有限公司
Template:     generatepress
Version:      1.0.0
Text Domain:  generatepress-kn
*/

/* ═══════════════════════════════════════════════════
   全站基礎樣式
═══════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; }

:root {
    --kn-dark:       #0f172a;
    --kn-dark-2:     #1e293b;
    --kn-dark-3:     #334155;
    --kn-blue:       #0284c7;
    --kn-blue-lt:    #38bdf8;
    --kn-text:       #334155;
    --kn-muted:      #64748b;
    --kn-light:      #f1f5f9;
    --kn-white:      #ffffff;
    --kn-radius:     12px;
    --kn-shadow:     0 4px 20px rgba(0,0,0,0.08);
    --kn-transition: 0.25s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif;
    color: var(--kn-text);
    line-height: 1.75;
    background: #f7f8f9;
}

/* ═══════════════════════════════════════════════════
   Header & Navigation
═══════════════════════════════════════════════════ */
.site-header {
    background: var(--kn-dark) !important;
    border-bottom: 2px solid var(--kn-blue);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(0,0,0,0.4);
}

.main-title a, .main-title a:hover {
    color: var(--kn-blue-lt) !important;
    font-weight: 800;
    letter-spacing: 0.5px;
    text-decoration: none !important;
}

.site-description { color: #94a3b8 !important; }

.main-navigation, .main-navigation ul ul {
    background: var(--kn-dark) !important;
}

.main-navigation .main-nav ul li a, .main-navigation .menu-toggle {
    color: #f8fafc !important;
    font-weight: 600;
    transition: color var(--kn-transition), background var(--kn-transition);
}

.main-navigation .main-nav ul li a:hover,
.main-navigation .main-nav ul li.current-menu-item > a {
    color: var(--kn-blue-lt) !important;
    background: var(--kn-dark-2) !important;
}

/* ═══════════════════════════════════════════════════
   首頁全寬 + 隱藏側欄 + 隱藏多餘 H1
═══════════════════════════════════════════════════ */
.home .right-sidebar, .home #right-sidebar { display: none !important; }
.home .content-area, .home #primary { width: 100% !important; max-width: 100% !important; }
.home .entry-header { display: none !important; }
.home .inside-article { padding: 0 !important; box-shadow: none !important; border: none !important; background: transparent !important; }

/* ═══════════════════════════════════════════════════
   Hero Section
═══════════════════════════════════════════════════ */
.kn-hero {
    background: linear-gradient(135deg, var(--kn-dark) 0%, var(--kn-dark-2) 60%, #0c4a6e 100%);
    color: #fff;
    padding: 100px 40px 90px;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 60px;
}

.kn-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(2,132,199,0.18) 0%, transparent 65%);
    pointer-events: none;
}

.kn-hero-inner { max-width: 820px; margin: 0 auto; position: relative; z-index: 2; }

.kn-hero-badge {
    display: inline-block;
    border: 1px solid var(--kn-blue-lt);
    color: var(--kn-blue-lt);
    padding: 6px 20px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    margin-bottom: 24px;
}

.kn-hero h1 {
    font-size: 46px;
    font-weight: 800;
    color: #ffffff;
    margin: 0 0 20px;
    line-height: 1.25;
}

.kn-hero-subtitle {
    font-size: 18px;
    color: #94a3b8;
    max-width: 620px;
    margin: 0 auto 40px;
    line-height: 1.65;
}

/* ── CTA 按鈕修復核心 ── */
.kn-hero-btns {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.kn-hero-btns a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 38px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    transition: transform var(--kn-transition), box-shadow var(--kn-transition), opacity var(--kn-transition);
    white-space: nowrap;
}

.kn-hero-btns a:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.kn-btn-primary { background: var(--kn-blue-lt); color: var(--kn-dark) !important; }
.kn-btn-primary:hover { opacity: 0.9; color: var(--kn-dark) !important; }
.kn-btn-secondary { background: transparent; color: #fff !important; border: 2px solid #64748b; }
.kn-btn-secondary:hover { border-color: var(--kn-blue-lt); color: var(--kn-blue-lt) !important; }

/* ═══════════════════════════════════════════════════
   共用 Section 樣式
═══════════════════════════════════════════════════ */
.kn-section { margin-bottom: 70px; }
.kn-section-inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.kn-section-head { margin-bottom: 42px; }
.kn-section-head--center { text-align: center; }

.kn-tag {
    display: inline-block;
    color: var(--kn-blue);
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-size: 12px;
    margin-bottom: 10px;
}

.kn-title {
    font-size: 32px;
    color: var(--kn-dark);
    margin: 0 0 14px;
    line-height: 1.3;
    font-weight: 800;
}

.kn-subtitle { color: var(--kn-muted); font-size: 16px; line-height: 1.7; max-width: 680px; }
.kn-section-head--center .kn-subtitle { margin: 0 auto; }

/* ═══════════════════════════════════════════════════
   About Grid 修復
═══════════════════════════════════════════════════ */
.kn-about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 48px;
    align-items: center;
}

.kn-about-text p { font-size: 16px; color: #475569; line-height: 1.85; margin-bottom: 16px; }
.kn-about-text .kn-link-btn {
    display: inline-block;
    background: var(--kn-dark);
    color: #fff !important;
    padding: 12px 26px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: background var(--kn-transition);
}
.kn-about-text .kn-link-btn:hover { background: var(--kn-blue); }

.kn-stats-panel {
    background: var(--kn-light);
    padding: 28px;
    border-radius: var(--kn-radius);
    border: 1px solid #e2e8f0;
}

.kn-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.kn-stat-box {
    background: var(--kn-white);
    padding: 20px 16px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: transform var(--kn-transition);
}

.kn-stat-box:hover { transform: translateY(-3px); }
.kn-stat-num { font-size: 38px; font-weight: 800; color: var(--kn-blue); line-height: 1; margin-bottom: 6px; }
.kn-stat-lbl { color: var(--kn-muted); font-size: 13px; }

/* ═══════════════════════════════════════════════════
   Services Section Grid 修復
═══════════════════════════════════════════════════ */
.kn-services-wrap {
    background: #f8fafc;
    padding: 60px 30px;
    border-radius: 16px;
    margin-bottom: 70px;
}

.kn-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 22px;
}

.kn-card {
    background: var(--kn-white);
    padding: 30px 26px;
    border-radius: var(--kn-radius);
    border: 1px solid #e2e8f0;
    transition: transform var(--kn-transition), box-shadow var(--kn-transition), border-color var(--kn-transition);
}

.kn-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.1);
    border-color: var(--kn-blue-lt);
}

.kn-card .card-icon { font-size: 36px; margin-bottom: 16px; display: block; }
.kn-card h3 { font-size: 19px; color: var(--kn-dark); margin: 0 0 10px; }
.kn-card p { color: var(--kn-muted); font-size: 14px; line-height: 1.7; margin: 0; }

.kn-cta-card {
    background: linear-gradient(135deg, var(--kn-blue) 0%, #0369a1 100%);
    color: #fff;
    border-color: transparent;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.kn-cta-card h3 { color: #fff !important; font-size: 22px; }
.kn-cta-card p  { color: #e0f2fe; }
.kn-cta-card:hover { border-color: transparent; }

.kn-cta-btn-white {
    display: inline-block;
    background: var(--kn-white);
    color: #0369a1 !important;
    padding: 11px 24px;
    border-radius: 6px;
    font-weight: 700;
    text-decoration: none;
    margin-top: 4px;
    transition: opacity var(--kn-transition);
}
.kn-cta-btn-white:hover { opacity: 0.88; }

/* ═══════════════════════════════════════════════════
   Portfolio Grid 修復
═══════════════════════════════════════════════════ */
.kn-portfolio-wrap { margin-bottom: 70px; }

.kn-portfolio-hd {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 12px;
}

.kn-portfolio-hd a.more-link {
    color: var(--kn-blue);
    font-weight: 700;
    text-decoration: none;
    font-size: 15px;
}

.kn-portfolio-hd a.more-link:hover { color: var(--kn-dark); }

.kn-portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 14px;
}

.kn-portfolio-grid a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--kn-dark);
    color: #fff;
    padding: 28px 16px;
    border-radius: 10px;
    text-decoration: none;
    border: 1px solid #334155;
    transition: border-color var(--kn-transition), transform var(--kn-transition), box-shadow var(--kn-transition);
    min-height: 110px;
    gap: 10px;
}

.kn-portfolio-grid a:hover {
    border-color: var(--kn-blue-lt);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(56,189,248,0.15);
    color: #fff;
}

.kn-portfolio-grid a .cat-icon { font-size: 28px; display: block; }
.kn-portfolio-grid a .cat-label { font-weight: 700; font-size: 14px; color: var(--kn-blue-lt); text-align: center; }

/* ═══════════════════════════════════════════════════
   Footer
═══════════════════════════════════════════════════ */
.site-footer, .site-info {
    background: var(--kn-dark) !important;
    color: #94a3b8 !important;
    border-top: 1px solid var(--kn-dark-3);
}

.inside-site-info { padding: 26px 30px !important; }
.copyright-bar { font-size: 14px; color: #94a3b8; }
.copyright-bar a { color: var(--kn-blue-lt) !important; text-decoration: none !important; }
.copyright-bar a[href*="generatepress"] { display: none !important; }
.copyright-bar .sep { display: none !important; }

/* ═══════════════════════════════════════════════════
   RWD
═══════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .kn-hero { padding: 70px 20px 60px; }
    .kn-hero h1 { font-size: 30px; }
    .kn-hero-subtitle { font-size: 16px; }
    .kn-hero-btns { flex-direction: column; align-items: center; }
    .kn-hero-btns a { width: 100%; max-width: 300px; }
    .kn-title { font-size: 26px; }
    .kn-about-grid { gap: 30px; }
    .kn-services-wrap { padding: 40px 20px; }
    .kn-portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .kn-portfolio-grid { grid-template-columns: 1fr 1fr; }
    .kn-stats-grid { grid-template-columns: 1fr 1fr; }
}