/* =============================================================================
   VNCPC Design System — CSS Variables + Base
   File: vncpc-design-system.css
   Load order: sau avia-scs, trước các file khác
   ============================================================================= */

/* Google Font — Be Vietnam Pro */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,400;0,500;0,600;0,700;0,800&display=swap');

/* =============================================================================
   1. CSS CUSTOM PROPERTIES
   ============================================================================= */
:root {
    /* Brand Colors */
    --vncpc-green:          #4F7D20;
    --vncpc-dark-green:     #1F4D2B;
    --vncpc-light-green:    #F7FAF5;
    --vncpc-accent:         #8CC63F;
    --vncpc-accent-dark:    #6FA832;

    /* Neutral */
    --vncpc-text:           #263238;
    --vncpc-muted:          #6B7280;
    --vncpc-border:         rgba(79, 125, 32, 0.14);
    --vncpc-white:          #FFFFFF;
    --vncpc-bg-light:       #F7FAF5;

    /* Shadows */
    --vncpc-shadow-sm:      0 4px 16px rgba(20, 45, 25, 0.07);
    --vncpc-shadow-md:      0 10px 35px rgba(20, 45, 25, 0.10);
    --vncpc-shadow-lg:      0 18px 50px rgba(20, 45, 25, 0.15);
    --vncpc-shadow-hero:    0 16px 50px rgba(31, 77, 43, 0.14);

    /* Spacing */
    --vncpc-section-pad:    90px;
    --vncpc-card-pad:       32px;
    --vncpc-gap:            28px;

    /* Radius */
    --vncpc-radius-sm:      12px;
    --vncpc-radius:         20px;
    --vncpc-radius-full:    999px;

    /* Typography */
    --vncpc-font:           'Be Vietnam Pro', 'Inter', Arial, sans-serif;
    --vncpc-lh:             1.65;
}

/* =============================================================================
   2. BASE OVERRIDES — Ghi đè Enfold defaults với VNCPC design
   ============================================================================= */

/* Font stack */
#top,
#top p,
#top li,
#top td,
#top th,
#top .av-special-heading-tag {
    font-family: var(--vncpc-font);
}

/* Body text */
#top {
    color: var(--vncpc-text);
    font-size: 16px;
    line-height: var(--vncpc-lh);
}

/* Headings */
#top h1, #top h2, #top h3, #top h4, #top h5, #top h6,
#top .av-special-heading-tag {
    font-family: var(--vncpc-font);
    letter-spacing: -0.025em;
    font-weight: 700;
    color: var(--vncpc-dark-green);
}

/* Links */
#top .main_color a,
#top .alternate_color a,
#top .socket_color a {
    color: var(--vncpc-green);
    transition: color 0.2s ease;
}

#top .main_color a:hover,
#top .alternate_color a:hover {
    color: var(--vncpc-dark-green);
}

/* =============================================================================
   3. BUTTON UTILITIES
   ============================================================================= */

/* Primary Button */
.avia-button.vncpc-btn-primary,
a.vncpc-btn-primary,
button.vncpc-btn-primary {
    background: var(--vncpc-green) !important;
    border-color: var(--vncpc-green) !important;
    color: var(--vncpc-white) !important;
    border-radius: var(--vncpc-radius-full) !important;
    padding: 13px 28px !important;
    font-family: var(--vncpc-font) !important;
    font-weight: 700 !important;
    font-size: 15px !important;
    letter-spacing: -0.01em !important;
    transition: background 0.22s ease, transform 0.18s ease, box-shadow 0.22s ease !important;
    box-shadow: 0 6px 20px rgba(79, 125, 32, 0.30) !important;
}

.avia-button.vncpc-btn-primary:hover,
a.vncpc-btn-primary:hover {
    background: var(--vncpc-dark-green) !important;
    border-color: var(--vncpc-dark-green) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 10px 28px rgba(31, 77, 43, 0.35) !important;
}

/* Outline Button */
.avia-button.vncpc-btn-outline,
a.vncpc-btn-outline {
    background: transparent !important;
    border: 2px solid var(--vncpc-white) !important;
    color: var(--vncpc-white) !important;
    border-radius: var(--vncpc-radius-full) !important;
    padding: 12px 28px !important;
    font-family: var(--vncpc-font) !important;
    font-weight: 600 !important;
    font-size: 15px !important;
    transition: background 0.22s ease, color 0.22s ease !important;
}

.avia-button.vncpc-btn-outline:hover,
a.vncpc-btn-outline:hover {
    background: rgba(255, 255, 255, 0.15) !important;
    border-color: var(--vncpc-white) !important;
    color: var(--vncpc-white) !important;
}

/* =============================================================================
   4. SECTION UTILITIES
   ============================================================================= */

/* Section spacing */
.vncpc-section > .container,
.vncpc-section-light > .container {
    padding-top: var(--vncpc-section-pad);
    padding-bottom: var(--vncpc-section-pad);
}

/* Light section bg */
.vncpc-section-light,
.vncpc-section-light.avia-section {
    background-color: var(--vncpc-light-green) !important;
}

/* Section title block */
.vncpc-section-title {
    max-width: 780px;
    margin: 0 auto 48px;
    text-align: center;
}

.vncpc-section-title h2,
.vncpc-section-title .av-special-heading-tag {
    font-size: clamp(28px, 3.5vw, 40px);
    line-height: 1.18;
    color: var(--vncpc-dark-green);
    margin-bottom: 14px;
}

.vncpc-section-title p {
    color: var(--vncpc-muted);
    font-size: 17px;
    line-height: 1.65;
}

/* =============================================================================
   5. MIGRATE — Quick CSS từ Enfold DB (đã migrate vào đây)
   ============================================================================= */

/* Logo shadow disable + max-height */
#top .av-border-deactivate.avia-logo-element-container img {
    box-shadow: none;
    max-height: 120px;
}

/* Partner image width */
.av-partner-fake-img {
    width: 75%;
}

/* Mobile: giữ "Dịch vụ nổi bật" và language flag trên cùng 1 dòng */
@media only screen and (max-width: 767px) {
    .responsive #header .sub_menu {
        display: flex !important;
        flex-wrap: nowrap !important;
        align-items: center;
        justify-content: center;
        width: 100% !important;
        float: none !important;
        text-align: initial !important;
        white-space: nowrap;
    }

    .responsive #header .sub_menu > ul {
        display: flex;
        margin: 0 6px;
        padding: 0;
        list-style: none;
    }

    .responsive #header .sub_menu > ul > li {
        display: inline-flex;
        align-items: center;
    }

    .responsive #header .sub_menu > ul.menu {
        margin-right: 10px;
    }
}