/* ============================================
   ABPack.vn Design System — Shared Foundation
   Brand Color: #2B5EA7 (from ABPack logo)
   Font: Plus Jakarta Sans (anti-slop)
   ============================================ */

/* --- Google Fonts CDN --- */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,500&display=swap');

/* --- Design Tokens (CSS Custom Properties) --- */
:root {
    /* ========================================
       Brand Scale — Generated from logo #2B5EA7
       HSL base: hsl(213, 59%, 41%)
       ======================================== */
    --color-primary-50:  #EEF4FB;
    --color-primary-100: #D4E4F5;
    --color-primary-200: #A9C9EB;
    --color-primary-300: #6BA3D9;
    --color-primary-400: #3D7DC4;
    --color-primary:     #2B5EA7;  /* Logo exact */
    --color-primary-600: #234E8C;
    --color-primary-700: #1B3E6F;
    --color-primary-800: #142E53;
    --color-primary-900: #0D1F38;

    /* Convenient aliases */
    --color-primary-dark: #1B3E6F;
    --color-primary-light: #3D7DC4;

    /* Accent / CTA — Warm amber-orange (complementary to navy) */
    --color-accent-50:  #FFF8F0;
    --color-accent-100: #FEECD6;
    --color-accent:     #E8851E;
    --color-accent-dark: #C96E10;
    --color-accent-light: #F5A54D;
    --color-accent-600: #B35E08;

    /* Neutrals — Cool-tinted grays (matching navy brand) */
    --color-text-primary:   #0F1D2F;
    --color-text-secondary: #3D5068;
    --color-text-muted:     #7A8FA6;
    --color-text-inverse:   #FFFFFF;
    --color-bg-primary:     #FFFFFF;
    --color-bg-secondary:   #F5F8FB;
    --color-bg-tertiary:    #EBF0F5;
    --color-border:         #D5DDE8;
    --color-border-light:   #E8EDF3;

    /* Semantic */
    --color-success: #0D9668;
    --color-error:   #D93A3A;
    --color-warning: #D99115;
    --color-info:    #2B5EA7;

    /* Typography — Plus Jakarta Sans (characterful, professional) */
    --font-primary: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-heading: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    /* Font Scale (Major Third - 1.250) */
    --text-xs: 0.75rem;    /* 12px */
    --text-sm: 0.875rem;   /* 14px */
    --text-base: 1rem;     /* 16px */
    --text-lg: 1.125rem;   /* 18px */
    --text-xl: 1.25rem;    /* 20px */
    --text-2xl: 1.5rem;    /* 24px */
    --text-3xl: 1.875rem;  /* 30px */
    --text-4xl: 2.25rem;   /* 36px */
    --text-5xl: 3rem;      /* 48px */

    /* Spacing Scale (8px base) */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */

    /* Shadows — Tinted with brand navy for cohesion */
    --shadow-sm: 0 1px 2px 0 rgba(15, 29, 47, 0.06);
    --shadow-md: 0 4px 8px -1px rgba(15, 29, 47, 0.08), 0 2px 4px -2px rgba(15, 29, 47, 0.04);
    --shadow-lg: 0 10px 20px -3px rgba(43, 94, 167, 0.10), 0 4px 8px -4px rgba(15, 29, 47, 0.05);
    --shadow-xl: 0 20px 30px -5px rgba(43, 94, 167, 0.12), 0 8px 12px -6px rgba(15, 29, 47, 0.05);
    --shadow-card: 0 1px 3px rgba(43, 94, 167, 0.06), 0 1px 2px rgba(15, 29, 47, 0.04);
    --shadow-card-hover: 0 12px 28px rgba(43, 94, 167, 0.14), 0 4px 10px rgba(15, 29, 47, 0.06);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transitions — Custom cubic-beziers (avoid default ease-in-out) */
    --transition-fast: 150ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-base: 250ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 380ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-spring: 420ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-index scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
}

/* --- Font loaded via Google Fonts CDN (@import above) ---
   Plus Jakarta Sans: 300, 400, 500, 600, 700, 800 + italic 400, 500
   No @font-face needed — CDN handles woff2 delivery
*/

/* --- Global Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-size: var(--text-base);
    font-weight: 400;
    font-family: var(--font-primary) !important;
    color: var(--color-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6,
.heading-font,
.off-canvas-center .nav-sidebar.nav-vertical > li > a {
    font-family: var(--font-heading) !important;
    color: var(--color-text-primary);
    line-height: 1.25;
    letter-spacing: -0.01em;
}

/* Override Flatsome inline font settings */
.nav > li > a,
.mobile-sidebar-levels-2 .nav > li > ul > li > a,
.widget,
.sidebar,
p,
span,
div,
input,
textarea,
select,
button,
.button {
    font-family: var(--font-primary) !important;
}

h1 { font-size: var(--text-4xl); font-weight: 700; }
h2 { font-size: var(--text-3xl); font-weight: 700; }
h3 { font-size: var(--text-2xl); font-weight: 600; }
h4 { font-size: var(--text-xl); font-weight: 600; }
h5 { font-size: var(--text-lg); font-weight: 500; }
h6 { font-size: var(--text-base); font-weight: 500; }

p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-4);
}

.alt-font {
    font-family: var(--font-primary);
}

/* --- Navigation Typography --- */
.nav > li > a,
.mobile-sidebar-levels-2 .nav > li > ul > li > a {
    font-size: var(--text-base);
    font-family: var(--font-primary);
    font-weight: 600;
}

/* --- Links --- */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

/* --- Buttons (Global) --- */
button,
.button,
input[type="submit"] {
    cursor: pointer;
    transition: all var(--transition-base);
}

.button.primary,
button.button.primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-radius: var(--radius-md);
    font-weight: 500;
    letter-spacing: 0.01em;
}

.button.primary:hover,
button.button.primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.button.secondary {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    font-weight: 500;
}

.button.secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    transform: translateY(-1px);
}

/* --- Form Elements --- */
input[type=email]:focus,
input[type=number]:focus,
input[type=password]:focus,
input[type=search]:focus,
input[type=tel]:focus,
input[type=text]:focus,
select:focus,
textarea:focus {
    box-shadow: 0 0 0 3px var(--color-primary-200);
    border-color: var(--color-primary);
    outline: none;
    transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

input,
textarea,
select {
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    font-family: var(--font-primary);
}

/* --- Utility Classes --- */
.featured-box .icon-box-img img {
    padding-top: 0;
}

.wpcf7-spinner {
    display: none;
}

/* --- Selection --- */
::selection {
    background-color: var(--color-primary-100);
    color: var(--color-primary-dark);
}

/* --- Scrollbar (Modern) --- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-text-muted);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-secondary);
}

/* --- Accessibility: Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* --- Focus Visible (Keyboard Nav a11y) --- */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* --- Image defaults --- */
img {
    max-width: 100%;
    height: auto;
}