/* ═══════════════════════════════════════════════════════
   AIFA Design System v3.0
   Teal/Sage Era — 翊鳳 Elementor 設計系統
   ═══════════════════════════════════════════════════════ */

/* Fonts loaded via PHP wp_enqueue_style */

/* === Root Variables === */
:root {
    /* Brand */
    --aifa-brown: #5C3A1E;
    --aifa-brown-light: #7A5230;
    --aifa-brown-warm: #8B6914;
    --aifa-green: #6B8E23;
    --aifa-green-light: #8CB63C;
    --aifa-green-pale: #E9F0E4;
    --aifa-green-dark: #4A6318;

    /* Neutrals */
    --aifa-cream: #FAF8F5;
    --aifa-cream-dark: #F0ECE6;
    --aifa-warm-gray: #6B6560;
    --aifa-text: #2D2926;
    --aifa-text-light: #6B6560;
    --aifa-white: #FFFFFF;

    /* Accents */
    --aifa-gold: #C8A951;
    --aifa-gold-light: #F5ECD7;
    --aifa-terracotta: #C4704B;

    /* Blocksy Theme Palette Bridge (read-only reference) */
    /* These are set by Blocksy theme, documented here for SSOT */
    /* --theme-palette-color-1: #779393;  teal primary */
    /* --theme-palette-color-2: #4b7878;  teal hover */
    /* --theme-palette-color-3: #677178;  text gray */
    /* --theme-palette-color-4: #111518;  heading dark */

    /* Gradients */
    --grad-hero: #E9F0E4;
    --grad-section: linear-gradient(180deg, #FAF8F5 0%, #FFFFFF 100%);
    --grad-green: linear-gradient(135deg, #6B8E23 0%, #8CB63C 100%);
    --grad-brown: linear-gradient(135deg, #5C3A1E 0%, #7A5230 100%);
    --grad-warm: linear-gradient(135deg, #FAF8F5 0%, #F5ECD7 100%);

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(45, 41, 38, 0.06);
    --shadow-md: 0 4px 16px rgba(45, 41, 38, 0.08);
    --shadow-lg: 0 12px 40px rgba(45, 41, 38, 0.12);
    --shadow-xl: 0 20px 60px rgba(45, 41, 38, 0.15);
    --shadow-green: 0 8px 32px rgba(107, 142, 35, 0.2);
    --shadow-card-hover: 0 16px 48px rgba(45, 41, 38, 0.14);

    /* Spacing */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 40px;
    --space-xl: 64px;
    --space-2xl: 96px;
    --space-3xl: 128px;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-pill: 50px;
    --radius-circle: 50%;

    /* Typography */
    --font-display: 'Playfair Display', 'Noto Serif TC', Georgia, serif;
    --font-body: 'Noto Sans TC', -apple-system, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', monospace;
}

/* === Base Reset for WP Content === */
.aifa-page {
    font-family: var(--font-body);
    color: var(--aifa-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
.aifa-page *, .aifa-page *::before, .aifa-page *::after {
    box-sizing: border-box;
}
.aifa-page img { max-width: 100%; height: auto; }
.aifa-page a { color: var(--aifa-green); text-decoration: none; transition: all 0.3s ease; }
.aifa-page a:hover { color: var(--aifa-green-dark); }

/* === Layout === */
.aifa-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}
.aifa-section {
    padding: var(--space-2xl) 0;
    position: relative;
}
.aifa-section--cream { background: var(--aifa-cream); }
.aifa-section--white { background: var(--aifa-white); }
.aifa-section--green { background: var(--grad-green); color: white; }
.aifa-section--warm { background: var(--grad-warm); }
.aifa-grid {
    display: grid;
    gap: var(--space-lg);
}
.aifa-grid--2 { grid-template-columns: repeat(2, 1fr); }
.aifa-grid--3 { grid-template-columns: repeat(3, 1fr); }
.aifa-grid--4 { grid-template-columns: repeat(4, 1fr); }

/* === Typography === */
.aifa-eyebrow {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--aifa-green);
    margin-bottom: var(--space-sm);
    display: inline-block;
}
.aifa-h1 {
    font-family: var(--font-display);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 900;
    line-height: 1.15;
    color: var(--aifa-brown);
    margin: 0 0 var(--space-md);
    letter-spacing: -0.5px;
}
.aifa-h2 {
    font-family: var(--font-display);
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 700;
    line-height: 1.2;
    color: var(--aifa-brown);
    margin: 0 0 var(--space-sm);
}
.aifa-h3 {
    font-family: var(--font-body);
    font-size: clamp(18px, 2vw, 22px);
    font-weight: 700;
    line-height: 1.35;
    color: var(--aifa-text);
    margin: 0 0 var(--space-xs);
}
.aifa-lead {
    font-size: 18px;
    line-height: 1.8;
    color: var(--aifa-text-light);
    max-width: 640px;
}
.aifa-label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--aifa-text-light);
}

/* === Hero Section === */
.aifa-hero {
    padding: var(--space-3xl) 0 var(--space-2xl);
    background: var(--grad-hero);
    position: relative;
    overflow: hidden;
}
.aifa-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(233, 240, 228, 0.4) 0%, transparent 70%);
    pointer-events: none;
}
.aifa-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(233, 240, 228, 0.3) 0%, transparent 70%);
    pointer-events: none;
}
.aifa-hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
}
.aifa-hero .aifa-lead {
    margin-bottom: var(--space-lg);
}

/* === Buttons === */
.aifa-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-pill);
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    line-height: 1;
}
.aifa-btn--primary {
    background: var(--grad-green);
    color: white;
    box-shadow: var(--shadow-green);
}
.aifa-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(107, 142, 35, 0.3);
    color: white;
}
.aifa-btn--outline {
    background: transparent;
    color: var(--aifa-brown);
    border: 2px solid var(--aifa-brown);
}
.aifa-btn--outline:hover {
    background: var(--aifa-brown);
    color: white;
    transform: translateY(-2px);
}
.aifa-btn--white {
    background: white;
    color: var(--aifa-green);
    box-shadow: var(--shadow-md);
}
.aifa-btn--white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--aifa-green-dark);
}
.aifa-btn-group {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* === Cards === */
.aifa-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0,0,0,0.04);
}
.aifa-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}
.aifa-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: var(--space-md);
    background: var(--aifa-green-pale);
}
.aifa-card__icon--gold { background: var(--aifa-gold-light); }
.aifa-card__icon--warm { background: #FDE8DB; }

/* === Stats === */
.aifa-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    padding: var(--space-xl) 0;
}
.aifa-stat {
    text-align: center;
    padding: var(--space-md);
}
.aifa-stat__number {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 900;
    color: var(--aifa-green);
    line-height: 1;
    margin-bottom: 8px;
}
.aifa-stat__label {
    font-size: 14px;
    color: var(--aifa-text-light);
    font-weight: 500;
}
.aifa-stat--divider {
    position: relative;
}
.aifa-stat--divider::after {
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background: rgba(0,0,0,0.08);
}

/* === Pricing Cards === */
.aifa-pricing {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-lg) var(--space-lg) var(--space-md);
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
}
.aifa-pricing:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}
.aifa-pricing--featured {
    border-color: var(--aifa-green-light);
    transform: scale(1.03);
}
.aifa-pricing--featured:hover {
    transform: scale(1.03) translateY(-6px);
}
.aifa-pricing__badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--grad-green);
    color: white;
    font-size: 12px;
    font-weight: 700;
    padding: 6px 20px;
    border-radius: var(--radius-pill);
    letter-spacing: 1px;
}
.aifa-pricing__tier {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--aifa-green);
    margin-bottom: var(--space-xs);
}
.aifa-pricing__name {
    font-size: 20px;
    font-weight: 700;
    color: var(--aifa-text);
    margin-bottom: var(--space-md);
}
.aifa-pricing__price {
    font-family: var(--font-display);
    font-size: 44px;
    font-weight: 900;
    color: var(--aifa-brown);
    margin-bottom: 4px;
}
.aifa-pricing__price span {
    font-size: 16px;
    font-weight: 400;
    color: var(--aifa-text-light);
}
.aifa-pricing__duration {
    font-size: 14px;
    color: var(--aifa-text-light);
    margin-bottom: var(--space-md);
}
.aifa-pricing__features {
    text-align: left;
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-lg);
    flex-grow: 1;
}
.aifa-pricing__features li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.aifa-pricing__features li::before {
    content: '✓';
    color: var(--aifa-green);
    font-weight: 700;
    flex-shrink: 0;
}
.aifa-pricing__discount {
    font-size: 13px;
    color: var(--aifa-terracotta);
    font-weight: 600;
    margin-top: var(--space-xs);
}

/* === Timeline === */
.aifa-timeline {
    position: relative;
    padding-left: 40px;
}
.aifa-timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--aifa-green-light), var(--aifa-green), var(--aifa-brown));
}
.aifa-timeline__item {
    position: relative;
    padding-bottom: var(--space-lg);
}
.aifa-timeline__item::before {
    content: '';
    position: absolute;
    left: -33px;
    top: 6px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--aifa-green);
    border: 3px solid white;
    box-shadow: var(--shadow-sm);
}
.aifa-timeline__year {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--aifa-green);
    margin-bottom: 4px;
}
.aifa-timeline__text {
    font-size: 15px;
    color: var(--aifa-text-light);
    line-height: 1.6;
}

/* === Table === */
.aifa-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.aifa-table thead th {
    background: var(--aifa-brown);
    color: white;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 14px 20px;
    text-align: left;
}
.aifa-table tbody td {
    padding: 14px 20px;
    font-size: 14px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    background: white;
}
.aifa-table tbody tr:hover td {
    background: var(--aifa-cream);
}

/* === Contact Cards === */
.aifa-contact-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    border-top: 4px solid var(--aifa-green);
    transition: all 0.3s ease;
}
.aifa-contact-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.aifa-contact-card__icon {
    font-size: 32px;
    margin-bottom: var(--space-sm);
}
.aifa-contact-card__title {
    font-size: 16px;
    font-weight: 700;
    color: var(--aifa-brown);
    margin-bottom: var(--space-sm);
}
.aifa-contact-card__info {
    font-size: 14px;
    color: var(--aifa-text-light);
    line-height: 1.8;
}
.aifa-contact-card__info a {
    color: var(--aifa-green);
    font-weight: 500;
}

/* === Social Links === */
.aifa-social {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}
.aifa-social__link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: white;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    color: var(--aifa-text);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    text-decoration: none;
}
.aifa-social__link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--aifa-green);
}

/* === Divider === */
.aifa-divider {
    height: 3px;
    width: 60px;
    background: var(--grad-green);
    border-radius: 2px;
    margin: var(--space-sm) 0 var(--space-md);
}
.aifa-divider--center { margin-left: auto; margin-right: auto; }

/* === Section Header === */
.aifa-section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-xl);
}
.aifa-section-header .aifa-lead {
    margin: 0 auto;
}

/* === Info Box === */
.aifa-info-box {
    background: var(--aifa-cream);
    border-left: 4px solid var(--aifa-green);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: var(--space-md) var(--space-lg);
    font-size: 14px;
    line-height: 1.7;
}
.aifa-info-box--warning {
    background: #FFF8ED;
    border-left-color: var(--aifa-terracotta);
}

/* === CTA Section === */
.aifa-cta {
    background: var(--grad-green);
    border-radius: var(--radius-xl);
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}
.aifa-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
}
.aifa-cta h2 { color: white; margin-bottom: var(--space-sm); }
.aifa-cta p { color: rgba(255,255,255,0.85); margin-bottom: var(--space-lg); }

/* === Animations === */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.aifa-animate {
    animation: fadeInUp 0.6s ease-out both;
}
.aifa-animate--delay-1 { animation-delay: 0.1s; }
.aifa-animate--delay-2 { animation-delay: 0.2s; }
.aifa-animate--delay-3 { animation-delay: 0.3s; }
.aifa-animate--delay-4 { animation-delay: 0.4s; }

/* ═══════════════════════════════════════════════════════
   HEADER STYLES
   ═══════════════════════════════════════════════════════ */

/* Header Container */
#site-header.site-header {
    background: #FFFFFF;
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    position: sticky;
    top: 0;
    z-index: 999;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}
#site-header .header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
}

/* Logo */
#site-header .site-branding {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}
#site-header .site-logo img,
#site-header .custom-logo {
    max-height: 48px !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain;
}
#site-header .site-logo { line-height: 0; }
#site-header .site-description { display: none; }
#site-header .site-title a {
    font-size: 16px;
    font-weight: 700;
    color: var(--aifa-brown);
    text-decoration: none;
    letter-spacing: 0.3px;
}

/* Nav Links */
#site-header .site-navigation .menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
}
#site-header .site-navigation .menu li { margin: 0; padding: 0; }
#site-header .site-navigation .menu a {
    display: block;
    padding: 8px 18px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 500;
    color: #444;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
    position: relative;
    letter-spacing: 0.3px;
}
#site-header .site-navigation .menu a:hover {
    color: var(--aifa-green);
    background: rgba(107, 142, 35, 0.08);
}
#site-header .site-navigation .menu .current-menu-item > a,
#site-header .site-navigation .menu .current_page_item > a {
    color: var(--aifa-green);
    background: rgba(107, 142, 35, 0.14);
}
#site-header .site-navigation .menu .current-menu-item > a::after,
#site-header .site-navigation .menu .current_page_item > a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 18px;
    right: 18px;
    height: 2px;
    background: var(--aifa-green-light);
    border-radius: 1px;
}

/* Mobile Toggle */
#site-header .site-navigation-toggle {
    border: none;
    background: rgba(107, 142, 35, 0.08);
    border-radius: 8px;
    padding: 10px;
    cursor: pointer;
    transition: background 0.2s ease;
}
#site-header .site-navigation-toggle:hover {
    background: rgba(107, 142, 35, 0.14);
}
#site-header .site-navigation-toggle-icon {
    display: block; width: 22px; height: 2px;
    background: var(--aifa-brown); position: relative;
}
#site-header .site-navigation-toggle-icon::before,
#site-header .site-navigation-toggle-icon::after {
    content: ''; display: block; width: 22px; height: 2px;
    background: var(--aifa-brown); position: absolute;
}
#site-header .site-navigation-toggle-icon::before { top: -6px; }
#site-header .site-navigation-toggle-icon::after { bottom: -6px; }

/* Mobile Dropdown */
#site-header .site-navigation-dropdown {
    background: #FFFFFF;
    border-top: 1px solid #f0f0f0;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
#site-header .site-navigation-dropdown .menu {
    list-style: none; margin: 0; padding: 8px 0;
}
#site-header .site-navigation-dropdown .menu li { margin: 0; }
#site-header .site-navigation-dropdown .menu a {
    display: block; padding: 14px 28px;
    font-size: 16px; font-weight: 500; color: #444;
    text-decoration: none; border-bottom: 1px solid #f5f5f5;
    transition: all 0.2s ease;
}
#site-header .site-navigation-dropdown .menu a:hover {
    color: var(--aifa-green);
    background: rgba(107, 142, 35, 0.08);
    padding-left: 36px;
}

/* === Footer override === */
.site-footer { background: var(--aifa-brown) !important; }
.site-footer, .site-footer a, .site-footer p { color: rgba(255,255,255,0.7) !important; }
.site-footer .site-logo img { filter: brightness(10); }
.site-footer .site-logo img,
.site-footer .custom-logo { max-height: 40px !important; width: auto !important; }

/* === Responsive === */
@media (max-width: 768px) {
    .aifa-grid--2, .aifa-grid--3, .aifa-grid--4 {
        grid-template-columns: 1fr;
    }
    .aifa-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .aifa-stat--divider::after { display: none; }
    .aifa-hero {
        padding: var(--space-xl) 0 var(--space-lg);
    }
    .aifa-section {
        padding: var(--space-xl) 0;
    }
    .aifa-pricing--featured {
        transform: none;
    }
    .aifa-pricing--featured:hover {
        transform: translateY(-6px);
    }
    /* Header mobile */
    #site-header .header-inner {
        padding: 8px 16px;
        min-height: 56px;
    }
    #site-header .site-logo img,
    #site-header .custom-logo {
        max-height: 38px !important;
    }
    #site-header .site-title a {
        font-size: 14px;
    }
    /* About grid */
    [style*="grid-template-columns:1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
    /* Social grid */
    [style*="grid-template-columns:repeat(2,1fr)"] {
        grid-template-columns: 1fr !important;
    }
}