/* ========================================
   Edu2Future Design System
   base.css - Complete Design System
   ======================================== */

/* ========================================
   1. CSS Variables (Design Tokens)
   ======================================== */

:root {
    /* ===== Colors ===== */
    --color-primary: #0B1F3A;
    --color-primary-light: #1A3A5C;
    --color-primary-dark: #071423;
    --color-gold: #D4AF37;
    --color-gold-light: #E8C94A;
    --color-gold-dark: #B8962E;
    --color-white: #FFFFFF;
    --color-surface: #F8FAFC;
    --color-border: #E5E7EB;
    --color-heading: #111827;
    --color-paragraph: #6B7280;
    --color-muted: #9CA3AF;
    --color-background: #FFFFFF;
    --color-navy: var(--color-primary);
    --color-navy-light: var(--color-primary-light);
    --color-navy-dark: var(--color-primary-dark);
    --navy: var(--color-primary);
    --navy-light: var(--color-primary-light);
    --gold: var(--color-gold);
    --white: var(--color-white);
    --light-gray: var(--color-surface);
    --border-light: var(--color-border);
    --text-dark: var(--color-heading);
    --text-medium: #374151;
    --text-muted: var(--color-muted);
    --color-text: var(--color-heading);
    --color-text-secondary: #334155;
    --color-text-tertiary: var(--color-paragraph);
    --color-border-light: #EEF2F7;
    --color-gold-bg: #FFF8E1;

    /* ===== Token aliases used by page styles ===== */
    --fw-regular: var(--font-weight-regular);
    --fw-medium: var(--font-weight-medium);
    --fw-semibold: var(--font-weight-semibold);
    --fw-bold: var(--font-weight-bold);
    --fw-extrabold: var(--font-weight-extrabold);
    --fw-black: var(--font-weight-black);
    --duration-fast: var(--transition-fast);
    --duration-base: var(--transition-base);
    --duration-slow: var(--transition-slow);
    --navbar-height: 86px;

    /* ===== Semantic Colors ===== */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-info: #3B82F6;

    /* ===== Typography ===== */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;

    /* ===== Font Sizes (scale) ===== */
    --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 */
    --text-6xl: 3.75rem;    /* 60px */
    --text-7xl: 4.5rem;     /* 72px */

    /* ===== Line Heights ===== */
    --leading-none: 1;
    --leading-tight: 1.125;
    --leading-snug: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;

    /* ===== Letter Spacing ===== */
    --tracking-tighter: -0.05em;
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
    --tracking-widest: 0.1em;

    /* ===== Spacing (8pt system) ===== */
    --space-0: 0;
    --space-1: 0.125rem;    /* 2px */
    --space-2: 0.25rem;     /* 4px */
    --space-3: 0.375rem;    /* 6px */
    --space-4: 0.5rem;      /* 8px */
    --space-5: 0.625rem;    /* 10px */
    --space-6: 0.75rem;     /* 12px */
    --space-8: 1rem;        /* 16px */
    --space-10: 1.25rem;    /* 20px */
    --space-12: 1.5rem;     /* 24px */
    --space-14: 1.75rem;    /* 28px */
    --space-16: 2rem;       /* 32px */
    --space-18: 2.25rem;    /* 36px */
    --space-20: 2.5rem;     /* 40px */
    --space-24: 3rem;       /* 48px */
    --space-28: 3.5rem;     /* 56px */
    --space-32: 4rem;       /* 64px */
    --space-36: 4.5rem;     /* 72px */
    --space-40: 5rem;       /* 80px */
    --space-48: 6rem;       /* 96px */
    --space-56: 7rem;       /* 112px */
    --space-64: 8rem;       /* 128px */
    --space-72: 9rem;       /* 144px */
    --space-80: 10rem;      /* 160px */
    --space-96: 12rem;      /* 192px */

    /* ===== Container ===== */
    --container-max: 1280px;
    --container-padding: var(--space-16);
    --container-padding-mobile: var(--space-8);

    /* ===== Grid ===== */
    --grid-columns: 12;
    --grid-gap: var(--space-16);
    --grid-gap-mobile: var(--space-8);

    /* ===== Border Radius ===== */
    --radius-none: 0;
    --radius-sm: 0.25rem;   /* 4px */
    --radius-md: 0.5rem;    /* 8px */
    --radius-lg: 0.75rem;   /* 12px */
    --radius-xl: 1rem;      /* 16px */
    --radius-2xl: 1.5rem;   /* 24px */
    --radius-3xl: 2rem;     /* 32px */
    --radius-full: 9999px;

    /* ===== Shadows ===== */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08), 0 4px 10px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.10), 0 8px 20px rgba(0, 0, 0, 0.05);
    --shadow-2xl: 0 30px 70px rgba(0, 0, 0, 0.12), 0 12px 30px rgba(0, 0, 0, 0.06);
    --shadow-3xl: 0 50px 100px rgba(0, 0, 0, 0.15), 0 20px 40px rgba(0, 0, 0, 0.06);
    --shadow-glow: 0 0 40px rgba(212, 175, 55, 0.15);
    --shadow-gold: 0 8px 32px rgba(212, 175, 55, 0.25);

    /* ===== Transitions ===== */
    --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: 400ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slower: 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* ===== Z-Index Scale ===== */
    --z-0: 0;
    --z-10: 10;
    --z-20: 20;
    --z-30: 30;
    --z-40: 40;
    --z-50: 50;
    --z-auto: auto;
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;

    /* ===== Opacity ===== */
    --opacity-0: 0;
    --opacity-10: 0.1;
    --opacity-20: 0.2;
    --opacity-30: 0.3;
    --opacity-40: 0.4;
    --opacity-50: 0.5;
    --opacity-60: 0.6;
    --opacity-70: 0.7;
    --opacity-80: 0.8;
    --opacity-90: 0.9;
    --opacity-100: 1;

    /* ===== Glass Effect ===== */
    --glass-background: rgba(255, 255, 255, 0.72);
    --glass-background-dark: rgba(11, 31, 58, 0.72);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-blur: 20px;

    /* ===== Motion ===== */
    --motion-duration-50: 50ms;
    --motion-duration-100: 100ms;
    --motion-duration-150: 150ms;
    --motion-duration-200: 200ms;
    --motion-duration-300: 300ms;
    --motion-duration-400: 400ms;
    --motion-duration-500: 500ms;
    --motion-duration-700: 700ms;
    --motion-duration-1000: 1000ms;

    /* ===== Easing ===== */
    --ease-linear: cubic-bezier(0, 0, 1, 1);
    --ease-in: cubic-bezier(0.42, 0, 1, 1);
    --ease-out: cubic-bezier(0, 0, 0.58, 1);
    --ease-in-out: cubic-bezier(0.42, 0, 0.58, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);

    /* ===== Breakpoints ===== */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
}


/* ========================================
   2. Reset & Normalize
   ======================================== */

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

html {
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
    font-size: 16px;
    height: 100%;
}

body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-heading);
    background-color: var(--color-background);
    min-height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* ===== Remove Default Margins ===== */
h1, h2, h3, h4, h5, h6,
p, blockquote, pre,
dl, dd, ol, ul,
figure, hr,
fieldset, legend {
    margin: 0;
    padding: 0;
}

/* ===== Lists ===== */
ol, ul {
    list-style: none;
}

/* ===== Links ===== */
a {
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}

/* ===== Images ===== */
img,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
    display: block;
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

/* ===== Forms ===== */
button,
input,
optgroup,
select,
textarea {
    font-family: inherit;
    font-size: 100%;
    font-weight: inherit;
    line-height: inherit;
    color: inherit;
    margin: 0;
    padding: 0;
    border: none;
    background: none;
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

button {
    cursor: pointer;
    background: none;
    border: none;
    font: inherit;
    color: inherit;
}

/* ===== Tables ===== */
table {
    border-collapse: collapse;
    border-spacing: 0;
    width: 100%;
}

/* ===== hr ===== */
hr {
    border: 0;
    border-top: 1px solid var(--color-border);
    height: 0;
    margin: var(--space-16) 0;
}

/* ===== Selection ===== */
::selection {
    background-color: var(--color-gold);
    color: var(--color-white);
}

::-moz-selection {
    background-color: var(--color-gold);
    color: var(--color-white);
}

/* ===== Focus ===== */
:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gold-dark);
}

/* ========================================
   3. Typography
   ======================================== */

/* ===== Headings ===== */
h1, .h1 {
    font-size: var(--text-5xl);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: var(--color-heading);
    margin-bottom: var(--space-8);
}

h2, .h2 {
    font-size: var(--text-4xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: var(--color-heading);
    margin-bottom: var(--space-6);
}

h3, .h3 {
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--leading-snug);
    color: var(--color-heading);
    margin-bottom: var(--space-4);
}

h4, .h4 {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--leading-snug);
    color: var(--color-heading);
    margin-bottom: var(--space-4);
}

h5, .h5 {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-semibold);
    line-height: var(--leading-snug);
    color: var(--color-heading);
    margin-bottom: var(--space-3);
}

h6, .h6 {
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    line-height: var(--leading-snug);
    color: var(--color-heading);
    margin-bottom: var(--space-3);
}

/* ===== Paragraph ===== */
p {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--color-paragraph);
    margin-bottom: var(--space-6);
}

p:last-child {
    margin-bottom: 0;
}

/* ===== Small / Muted ===== */
small,
.text-sm {
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    color: var(--color-muted);
}

.text-xs {
    font-size: var(--text-xs);
    line-height: var(--leading-normal);
    color: var(--color-muted);
}

.text-lg {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
}

.text-xl {
    font-size: var(--text-xl);
    line-height: var(--leading-relaxed);
}

/* ===== Font Weights ===== */
.font-regular {
    font-weight: var(--font-weight-regular);
}
.font-medium {
    font-weight: var(--font-weight-medium);
}
.font-semibold {
    font-weight: var(--font-weight-semibold);
}
.font-bold {
    font-weight: var(--font-weight-bold);
}
.font-extrabold {
    font-weight: var(--font-weight-extrabold);
}
.font-black {
    font-weight: var(--font-weight-black);
}

/* ===== Text Colors ===== */
.text-primary {
    color: var(--color-primary);
}
.text-gold {
    color: var(--color-gold);
}
.text-heading {
    color: var(--color-heading);
}
.text-paragraph {
    color: var(--color-paragraph);
}
.text-muted {
    color: var(--color-muted);
}
.text-white {
    color: var(--color-white);
}

/* ===== Text Align ===== */
.text-left {
    text-align: left;
}
.text-center {
    text-align: center;
}
.text-right {
    text-align: right;
}

/* ===== Text Transform ===== */
.uppercase {
    text-transform: uppercase;
}
.lowercase {
    text-transform: lowercase;
}
.capitalize {
    text-transform: capitalize;
}

/* ===== Letter Spacing ===== */
.tracking-tighter {
    letter-spacing: var(--tracking-tighter);
}
.tracking-tight {
    letter-spacing: var(--tracking-tight);
}
.tracking-normal {
    letter-spacing: var(--tracking-normal);
}
.tracking-wide {
    letter-spacing: var(--tracking-wide);
}
.tracking-wider {
    letter-spacing: var(--tracking-wider);
}
.tracking-widest {
    letter-spacing: var(--tracking-widest);
}

/* ========================================
   4. Container
   ======================================== */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding-mobile);
    width: 100%;
}

@media (min-width: var(--breakpoint-md)) {
    .container {
        padding: 0 var(--container-padding);
    }
}

.container-fluid {
    width: 100%;
    padding: 0 var(--container-padding-mobile);
}

@media (min-width: var(--breakpoint-md)) {
    .container-fluid {
        padding: 0 var(--container-padding);
    }
}

/* ========================================
   5. Grid System (12 Column)
   ======================================== */

.grid {
    display: grid;
    grid-template-columns: repeat(var(--grid-columns), 1fr);
    gap: var(--grid-gap-mobile);
}

@media (min-width: var(--breakpoint-md)) {
    .grid {
        gap: var(--grid-gap);
    }
}

/* ===== Grid Columns ===== */
.col-span-1 {
    grid-column: span 1;
}
.col-span-2 {
    grid-column: span 2;
}
.col-span-3 {
    grid-column: span 3;
}
.col-span-4 {
    grid-column: span 4;
}
.col-span-5 {
    grid-column: span 5;
}
.col-span-6 {
    grid-column: span 6;
}
.col-span-7 {
    grid-column: span 7;
}
.col-span-8 {
    grid-column: span 8;
}
.col-span-9 {
    grid-column: span 9;
}
.col-span-10 {
    grid-column: span 10;
}
.col-span-11 {
    grid-column: span 11;
}
.col-span-12 {
    grid-column: span 12;
}

/* ===== Grid Responsive ===== */
@media (min-width: var(--breakpoint-sm)) {
    .col-sm-span-1 {
        grid-column: span 1;
    }
    .col-sm-span-2 {
        grid-column: span 2;
    }
    .col-sm-span-3 {
        grid-column: span 3;
    }
    .col-sm-span-4 {
        grid-column: span 4;
    }
    .col-sm-span-5 {
        grid-column: span 5;
    }
    .col-sm-span-6 {
        grid-column: span 6;
    }
    .col-sm-span-7 {
        grid-column: span 7;
    }
    .col-sm-span-8 {
        grid-column: span 8;
    }
    .col-sm-span-9 {
        grid-column: span 9;
    }
    .col-sm-span-10 {
        grid-column: span 10;
    }
    .col-sm-span-11 {
        grid-column: span 11;
    }
    .col-sm-span-12 {
        grid-column: span 12;
    }
}

@media (min-width: var(--breakpoint-md)) {
    .col-md-span-1 {
        grid-column: span 1;
    }
    .col-md-span-2 {
        grid-column: span 2;
    }
    .col-md-span-3 {
        grid-column: span 3;
    }
    .col-md-span-4 {
        grid-column: span 4;
    }
    .col-md-span-5 {
        grid-column: span 5;
    }
    .col-md-span-6 {
        grid-column: span 6;
    }
    .col-md-span-7 {
        grid-column: span 7;
    }
    .col-md-span-8 {
        grid-column: span 8;
    }
    .col-md-span-9 {
        grid-column: span 9;
    }
    .col-md-span-10 {
        grid-column: span 10;
    }
    .col-md-span-11 {
        grid-column: span 11;
    }
    .col-md-span-12 {
        grid-column: span 12;
    }
}

@media (min-width: var(--breakpoint-lg)) {
    .col-lg-span-1 {
        grid-column: span 1;
    }
    .col-lg-span-2 {
        grid-column: span 2;
    }
    .col-lg-span-3 {
        grid-column: span 3;
    }
    .col-lg-span-4 {
        grid-column: span 4;
    }
    .col-lg-span-5 {
        grid-column: span 5;
    }
    .col-lg-span-6 {
        grid-column: span 6;
    }
    .col-lg-span-7 {
        grid-column: span 7;
    }
    .col-lg-span-8 {
        grid-column: span 8;
    }
    .col-lg-span-9 {
        grid-column: span 9;
    }
    .col-lg-span-10 {
        grid-column: span 10;
    }
    .col-lg-span-11 {
        grid-column: span 11;
    }
    .col-lg-span-12 {
        grid-column: span 12;
    }
}

@media (min-width: var(--breakpoint-xl)) {
    .col-xl-span-1 {
        grid-column: span 1;
    }
    .col-xl-span-2 {
        grid-column: span 2;
    }
    .col-xl-span-3 {
        grid-column: span 3;
    }
    .col-xl-span-4 {
        grid-column: span 4;
    }
    .col-xl-span-5 {
        grid-column: span 5;
    }
    .col-xl-span-6 {
        grid-column: span 6;
    }
    .col-xl-span-7 {
        grid-column: span 7;
    }
    .col-xl-span-8 {
        grid-column: span 8;
    }
    .col-xl-span-9 {
        grid-column: span 9;
    }
    .col-xl-span-10 {
        grid-column: span 10;
    }
    .col-xl-span-11 {
        grid-column: span 11;
    }
    .col-xl-span-12 {
        grid-column: span 12;
    }
}

/* ========================================
   6. Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-8) var(--space-16);
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    line-height: var(--leading-none);
    text-align: center;
    text-decoration: none;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    min-height: 48px;
    min-width: 120px;
    letter-spacing: var(--tracking-normal);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

/* ===== Button Variants ===== */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-gold {
    background-color: var(--color-gold);
    color: var(--color-white);
    border-color: var(--color-gold);
}

.btn-gold:hover,
.btn-gold:focus-visible {
    background-color: var(--color-gold-dark);
    border-color: var(--color-gold-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn-gold:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover,
.btn-outline:focus-visible {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-gold {
    background-color: transparent;
    color: var(--color-gold);
    border-color: var(--color-gold);
}

.btn-outline-gold:hover,
.btn-outline-gold:focus-visible {
    background-color: var(--color-gold);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-primary);
    border-color: transparent;
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
    background-color: var(--color-surface);
    border-color: transparent;
    transform: translateY(-2px);
}

.btn-white {
    background-color: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

.btn-white:hover,
.btn-white:focus-visible {
    background-color: var(--color-surface);
    border-color: var(--color-surface);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===== Button Sizes ===== */
.btn-sm {
    padding: var(--space-4) var(--space-10);
    font-size: var(--text-sm);
    min-height: 36px;
    min-width: 80px;
    border-radius: var(--radius-md);
}

.btn-lg {
    padding: var(--space-12) var(--space-20);
    font-size: var(--text-lg);
    min-height: 56px;
    min-width: 160px;
    border-radius: var(--radius-xl);
}

.btn-xl {
    padding: var(--space-16) var(--space-24);
    font-size: var(--text-xl);
    min-height: 64px;
    min-width: 200px;
    border-radius: var(--radius-2xl);
}

/* ===== Button Full Width ===== */
.btn-block {
    width: 100%;
    justify-content: center;
    min-width: unset;
}

/* ===== Button with Icon ===== */
.btn-icon {
    gap: var(--space-6);
}

.btn-icon svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ===== Button Ripple Effect ===== */
.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--ripple-x, 50%) var(--ripple-y, 50%), rgba(255, 255, 255, 0.3), transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-fast);
    pointer-events: none;
}

.btn:active::after {
    opacity: 1;
}

/* ===== Button Loading ===== */
.btn-loading {
    pointer-events: none;
    opacity: var(--opacity-70);
}

.btn-loading .btn-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========================================
   7. Forms
   ======================================== */

.form-group {
    margin-bottom: var(--space-8);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-heading);
    margin-bottom: var(--space-4);
}

.form-label .required {
    color: var(--color-error);
    margin-left: var(--space-2);
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--space-8) var(--space-12);
    font-size: var(--text-base);
    font-weight: var(--font-weight-regular);
    line-height: var(--leading-normal);
    color: var(--color-heading);
    background-color: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    min-height: 48px;
}

.form-control:hover {
    border-color: var(--color-muted);
}

.form-control:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
    outline: none;
}

.form-control::placeholder {
    color: var(--color-muted);
}

.form-control:disabled,
.form-control[readonly] {
    background-color: var(--color-surface);
    cursor: not-allowed;
    opacity: var(--opacity-70);
}

/* ===== Textarea ===== */
textarea.form-control {
    min-height: 120px;
    resize: vertical;
    font-family: var(--font-family);
}

/* ===== Select ===== */
select.form-control {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-12) center;
    padding-right: var(--space-28);
}

/* ===== Checkbox & Radio ===== */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-6);
    cursor: pointer;
}

.form-check-input {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 2px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-white);
    transition: all var(--transition-base);
    cursor: pointer;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.form-check-input:checked {
    background-color: var(--color-gold);
    border-color: var(--color-gold);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-size: 12px;
    background-position: center;
    background-repeat: no-repeat;
}

.form-check-input:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

.form-check-input[type="radio"] {
    border-radius: var(--radius-full);
}

.form-check-input[type="radio"]:checked {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3E%3Ccircle cx='4' cy='4' r='4' fill='white'/%3E%3C/svg%3E");
    background-size: 8px;
}

.form-check-label {
    font-size: var(--text-base);
    color: var(--color-heading);
    cursor: pointer;
}

/* ===== Form Help Text ===== */
.form-help {
    font-size: var(--text-sm);
    color: var(--color-muted);
    margin-top: var(--space-3);
}

.form-error {
    font-size: var(--text-sm);
    color: var(--color-error);
    margin-top: var(--space-3);
}

/* ===== Form Group with Error ===== */
.form-group.has-error .form-control {
    border-color: var(--color-error);
}

.form-group.has-error .form-control:focus {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

/* ===== Form Group with Success ===== */
.form-group.has-success .form-control {
    border-color: var(--color-success);
}

.form-group.has-success .form-control:focus {
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

/* ========================================
   8. Cards
   ======================================== */

.card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-body {
    padding: var(--space-16);
}

.card-header {
    padding: var(--space-16) var(--space-16) 0;
    font-weight: var(--font-weight-semibold);
}

.card-footer {
    padding: 0 var(--space-16) var(--space-16);
}

.card-img {
    width: 100%;
    height: auto;
    display: block;
}

.card-img-top {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-title {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-heading);
    margin-bottom: var(--space-4);
}

.card-subtitle {
    font-size: var(--text-sm);
    color: var(--color-muted);
    margin-bottom: var(--space-4);
}

.card-text {
    color: var(--color-paragraph);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
}

.card-actions {
    display: flex;
    gap: var(--space-6);
    margin-top: var(--space-8);
    flex-wrap: wrap;
}

/* ===== Card Variants ===== */
.card-gold {
    border-color: var(--color-gold);
}

.card-gold .card-header {
    color: var(--color-gold);
}

.card-primary {
    border-color: var(--color-primary);
}

.card-primary .card-header {
    color: var(--color-primary);
}

.card-flat {
    box-shadow: none;
    border: none;
}

.card-flat:hover {
    transform: none;
    box-shadow: none;
}

.card-hover {
    cursor: pointer;
}

/* ========================================
   9. Links
   ======================================== */

.link {
    color: var(--color-gold);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
}

.link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: width var(--transition-base);
}

.link:hover::after,
.link:focus-visible::after {
    width: 100%;
}

.link:hover,
.link:focus-visible {
    color: var(--color-gold-dark);
}

.link-primary {
    color: var(--color-primary);
}

.link-primary::after {
    background-color: var(--color-primary);
}

.link-primary:hover,
.link-primary:focus-visible {
    color: var(--color-primary-light);
}

.link-white {
    color: var(--color-white);
}

.link-white::after {
    background-color: var(--color-white);
}

.link-white:hover,
.link-white:focus-visible {
    color: var(--color-surface);
}

/* ========================================
   10. Lists
   ======================================== */

.list-unstyled {
    list-style: none;
    padding: 0;
    margin: 0;
}

.list-inline {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.list-inline-item {
    display: inline-block;
}

.list-disc {
    list-style: disc;
    padding-left: var(--space-16);
    margin-bottom: var(--space-8);
}

.list-disc li {
    margin-bottom: var(--space-4);
    color: var(--color-paragraph);
}

.list-decimal {
    list-style: decimal;
    padding-left: var(--space-16);
    margin-bottom: var(--space-8);
}

.list-decimal li {
    margin-bottom: var(--space-4);
    color: var(--color-paragraph);
}

/* ========================================
   11. Images
   ======================================== */

.img-fluid {
    max-width: 100%;
    height: auto;
}

.img-rounded {
    border-radius: var(--radius-lg);
}

.img-circle {
    border-radius: var(--radius-full);
}

.img-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.img-contain {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* ========================================
   12. Tables
   ======================================== */

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-base);
}

.table th,
.table td {
    padding: var(--space-8) var(--space-12);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.table th {
    font-weight: var(--font-weight-semibold);
    color: var(--color-heading);
    background-color: var(--color-surface);
}

.table tr:hover {
    background-color: var(--color-surface);
}

.table-striped tbody tr:nth-child(odd) {
    background-color: var(--color-surface);
}

.table-bordered {
    border: 1px solid var(--color-border);
}

.table-bordered th,
.table-bordered td {
    border: 1px solid var(--color-border);
}

.table-hover tbody tr:hover {
    background-color: rgba(212, 175, 55, 0.05);
}

/* ========================================
   13. Utilities
   ======================================== */

/* ===== Display ===== */
.d-block {
    display: block;
}
.d-inline {
    display: inline;
}
.d-inline-block {
    display: inline-block;
}
.d-flex {
    display: flex;
}
.d-inline-flex {
    display: inline-flex;
}
.d-grid {
    display: grid;
}
.d-none {
    display: none;
}

@media (min-width: var(--breakpoint-sm)) {
    .d-sm-block {
        display: block;
    }
    .d-sm-inline {
        display: inline;
    }
    .d-sm-inline-block {
        display: inline-block;
    }
    .d-sm-flex {
        display: flex;
    }
    .d-sm-inline-flex {
        display: inline-flex;
    }
    .d-sm-grid {
        display: grid;
    }
    .d-sm-none {
        display: none;
    }
}

@media (min-width: var(--breakpoint-md)) {
    .d-md-block {
        display: block;
    }
    .d-md-inline {
        display: inline;
    }
    .d-md-inline-block {
        display: inline-block;
    }
    .d-md-flex {
        display: flex;
    }
    .d-md-inline-flex {
        display: inline-flex;
    }
    .d-md-grid {
        display: grid;
    }
    .d-md-none {
        display: none;
    }
}

@media (min-width: var(--breakpoint-lg)) {
    .d-lg-block {
        display: block;
    }
    .d-lg-inline {
        display: inline;
    }
    .d-lg-inline-block {
        display: inline-block;
    }
    .d-lg-flex {
        display: flex;
    }
    .d-lg-inline-flex {
        display: inline-flex;
    }
    .d-lg-grid {
        display: grid;
    }
    .d-lg-none {
        display: none;
    }
}

@media (min-width: var(--breakpoint-xl)) {
    .d-xl-block {
        display: block;
    }
    .d-xl-inline {
        display: inline;
    }
    .d-xl-inline-block {
        display: inline-block;
    }
    .d-xl-flex {
        display: flex;
    }
    .d-xl-inline-flex {
        display: inline-flex;
    }
    .d-xl-grid {
        display: grid;
    }
    .d-xl-none {
        display: none;
    }
}

/* ===== Flex ===== */
.flex-row {
    flex-direction: row;
}
.flex-column {
    flex-direction: column;
}
.flex-wrap {
    flex-wrap: wrap;
}
.flex-nowrap {
    flex-wrap: nowrap;
}
.flex-1 {
    flex: 1;
}
.flex-auto {
    flex: 0 0 auto;
}
.flex-shrink-0 {
    flex-shrink: 0;
}
.flex-grow-1 {
    flex-grow: 1;
}
.justify-start {
    justify-content: flex-start;
}
.justify-end {
    justify-content: flex-end;
}
.justify-center {
    justify-content: center;
}
.justify-between {
    justify-content: space-between;
}
.justify-around {
    justify-content: space-around;
}
.justify-evenly {
    justify-content: space-evenly;
}
.items-start {
    align-items: flex-start;
}
.items-end {
    align-items: flex-end;
}
.items-center {
    align-items: center;
}
.items-baseline {
    align-items: baseline;
}
.items-stretch {
    align-items: stretch;
}
.self-start {
    align-self: flex-start;
}
.self-end {
    align-self: flex-end;
}
.self-center {
    align-self: center;
}
.self-stretch {
    align-self: stretch;
}
.gap-1 {
    gap: var(--space-1);
}
.gap-2 {
    gap: var(--space-2);
}
.gap-3 {
    gap: var(--space-3);
}
.gap-4 {
    gap: var(--space-4);
}
.gap-6 {
    gap: var(--space-6);
}
.gap-8 {
    gap: var(--space-8);
}
.gap-10 {
    gap: var(--space-10);
}
.gap-12 {
    gap: var(--space-12);
}
.gap-16 {
    gap: var(--space-16);
}
.gap-20 {
    gap: var(--space-20);
}
.gap-24 {
    gap: var(--space-24);
}

/* ===== Padding ===== */
.p-0 {
    padding: 0;
}
.p-1 {
    padding: var(--space-1);
}
.p-2 {
    padding: var(--space-2);
}
.p-3 {
    padding: var(--space-3);
}
.p-4 {
    padding: var(--space-4);
}
.p-6 {
    padding: var(--space-6);
}
.p-8 {
    padding: var(--space-8);
}
.p-10 {
    padding: var(--space-10);
}
.p-12 {
    padding: var(--space-12);
}
.p-16 {
    padding: var(--space-16);
}
.p-20 {
    padding: var(--space-20);
}
.p-24 {
    padding: var(--space-24);
}
.p-32 {
    padding: var(--space-32);
}
.p-40 {
    padding: var(--space-40);
}

.pt-0 {
    padding-top: 0;
}
.pt-1 {
    padding-top: var(--space-1);
}
.pt-2 {
    padding-top: var(--space-2);
}
.pt-3 {
    padding-top: var(--space-3);
}
.pt-4 {
    padding-top: var(--space-4);
}
.pt-6 {
    padding-top: var(--space-6);
}
.pt-8 {
    padding-top: var(--space-8);
}
.pt-10 {
    padding-top: var(--space-10);
}
.pt-12 {
    padding-top: var(--space-12);
}
.pt-16 {
    padding-top: var(--space-16);
}
.pt-20 {
    padding-top: var(--space-20);
}
.pt-24 {
    padding-top: var(--space-24);
}
.pt-32 {
    padding-top: var(--space-32);
}
.pt-40 {
    padding-top: var(--space-40);
}

.pb-0 {
    padding-bottom: 0;
}
.pb-1 {
    padding-bottom: var(--space-1);
}
.pb-2 {
    padding-bottom: var(--space-2);
}
.pb-3 {
    padding-bottom: var(--space-3);
}
.pb-4 {
    padding-bottom: var(--space-4);
}
.pb-6 {
    padding-bottom: var(--space-6);
}
.pb-8 {
    padding-bottom: var(--space-8);
}
.pb-10 {
    padding-bottom: var(--space-10);
}
.pb-12 {
    padding-bottom: var(--space-12);
}
.pb-16 {
    padding-bottom: var(--space-16);
}
.pb-20 {
    padding-bottom: var(--space-20);
}
.pb-24 {
    padding-bottom: var(--space-24);
}
.pb-32 {
    padding-bottom: var(--space-32);
}
.pb-40 {
    padding-bottom: var(--space-40);
}

.pl-0 {
    padding-left: 0;
}
.pl-1 {
    padding-left: var(--space-1);
}
.pl-2 {
    padding-left: var(--space-2);
}
.pl-3 {
    padding-left: var(--space-3);
}
.pl-4 {
    padding-left: var(--space-4);
}
.pl-6 {
    padding-left: var(--space-6);
}
.pl-8 {
    padding-left: var(--space-8);
}
.pl-10 {
    padding-left: var(--space-10);
}
.pl-12 {
    padding-left: var(--space-12);
}
.pl-16 {
    padding-left: var(--space-16);
}
.pl-20 {
    padding-left: var(--space-20);
}
.pl-24 {
    padding-left: var(--space-24);
}
.pl-32 {
    padding-left: var(--space-32);
}
.pl-40 {
    padding-left: var(--space-40);
}

.pr-0 {
    padding-right: 0;
}
.pr-1 {
    padding-right: var(--space-1);
}
.pr-2 {
    padding-right: var(--space-2);
}
.pr-3 {
    padding-right: var(--space-3);
}
.pr-4 {
    padding-right: var(--space-4);
}
.pr-6 {
    padding-right: var(--space-6);
}
.pr-8 {
    padding-right: var(--space-8);
}
.pr-10 {
    padding-right: var(--space-10);
}
.pr-12 {
    padding-right: var(--space-12);
}
.pr-16 {
    padding-right: var(--space-16);
}
.pr-20 {
    padding-right: var(--space-20);
}
.pr-24 {
    padding-right: var(--space-24);
}
.pr-32 {
    padding-right: var(--space-32);
}
.pr-40 {
    padding-right: var(--space-40);
}

.px-0 {
    padding-left: 0;
    padding-right: 0;
}
.px-1 {
    padding-left: var(--space-1);
    padding-right: var(--space-1);
}
.px-2 {
    padding-left: var(--space-2);
    padding-right: var(--space-2);
}
.px-3 {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
}
.px-4 {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}
.px-6 {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
}
.px-8 {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
}
.px-10 {
    padding-left: var(--space-10);
    padding-right: var(--space-10);
}
.px-12 {
    padding-left: var(--space-12);
    padding-right: var(--space-12);
}
.px-16 {
    padding-left: var(--space-16);
    padding-right: var(--space-16);
}
.px-20 {
    padding-left: var(--space-20);
    padding-right: var(--space-20);
}
.px-24 {
    padding-left: var(--space-24);
    padding-right: var(--space-24);
}
.px-32 {
    padding-left: var(--space-32);
    padding-right: var(--space-32);
}
.px-40 {
    padding-left: var(--space-40);
    padding-right: var(--space-40);
}

.py-0 {
    padding-top: 0;
    padding-bottom: 0;
}
.py-1 {
    padding-top: var(--space-1);
    padding-bottom: var(--space-1);
}
.py-2 {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
}
.py-3 {
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
}
.py-4 {
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
}
.py-6 {
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
}
.py-8 {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
}
.py-10 {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
}
.py-12 {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
}
.py-16 {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
}
.py-20 {
    padding-top: var(--space-20);
    padding-bottom: var(--space-20);
}
.py-24 {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
}
.py-32 {
    padding-top: var(--space-32);
    padding-bottom: var(--space-32);
}
.py-40 {
    padding-top: var(--space-40);
    padding-bottom: var(--space-40);
}

/* ===== Margin ===== */
.m-0 {
    margin: 0;
}
.m-1 {
    margin: var(--space-1);
}
.m-2 {
    margin: var(--space-2);
}
.m-3 {
    margin: var(--space-3);
}
.m-4 {
    margin: var(--space-4);
}
.m-6 {
    margin: var(--space-6);
}
.m-8 {
    margin: var(--space-8);
}
.m-10 {
    margin: var(--space-10);
}
.m-12 {
    margin: var(--space-12);
}
.m-16 {
    margin: var(--space-16);
}
.m-20 {
    margin: var(--space-20);
}
.m-24 {
    margin: var(--space-24);
}
.m-32 {
    margin: var(--space-32);
}
.m-40 {
    margin: var(--space-40);
}
.m-auto {
    margin: auto;
}

.mt-0 {
    margin-top: 0;
}
.mt-1 {
    margin-top: var(--space-1);
}
.mt-2 {
    margin-top: var(--space-2);
}
.mt-3 {
    margin-top: var(--space-3);
}
.mt-4 {
    margin-top: var(--space-4);
}
.mt-6 {
    margin-top: var(--space-6);
}
.mt-8 {
    margin-top: var(--space-8);
}
.mt-10 {
    margin-top: var(--space-10);
}
.mt-12 {
    margin-top: var(--space-12);
}
.mt-16 {
    margin-top: var(--space-16);
}
.mt-20 {
    margin-top: var(--space-20);
}
.mt-24 {
    margin-top: var(--space-24);
}
.mt-32 {
    margin-top: var(--space-32);
}
.mt-40 {
    margin-top: var(--space-40);
}
.mt-auto {
    margin-top: auto;
}

.mb-0 {
    margin-bottom: 0;
}
.mb-1 {
    margin-bottom: var(--space-1);
}
.mb-2 {
    margin-bottom: var(--space-2);
}
.mb-3 {
    margin-bottom: var(--space-3);
}
.mb-4 {
    margin-bottom: var(--space-4);
}
.mb-6 {
    margin-bottom: var(--space-6);
}
.mb-8 {
    margin-bottom: var(--space-8);
}
.mb-10 {
    margin-bottom: var(--space-10);
}
.mb-12 {
    margin-bottom: var(--space-12);
}
.mb-16 {
    margin-bottom: var(--space-16);
}
.mb-20 {
    margin-bottom: var(--space-20);
}
.mb-24 {
    margin-bottom: var(--space-24);
}
.mb-32 {
    margin-bottom: var(--space-32);
}
.mb-40 {
    margin-bottom: var(--space-40);
}
.mb-auto {
    margin-bottom: auto;
}

.ml-0 {
    margin-left: 0;
}
.ml-1 {
    margin-left: var(--space-1);
}
.ml-2 {
    margin-left: var(--space-2);
}
.ml-3 {
    margin-left: var(--space-3);
}
.ml-4 {
    margin-left: var(--space-4);
}
.ml-6 {
    margin-left: var(--space-6);
}
.ml-8 {
    margin-left: var(--space-8);
}
.ml-10 {
    margin-left: var(--space-10);
}
.ml-12 {
    margin-left: var(--space-12);
}
.ml-16 {
    margin-left: var(--space-16);
}
.ml-20 {
    margin-left: var(--space-20);
}
.ml-24 {
    margin-left: var(--space-24);
}
.ml-32 {
    margin-left: var(--space-32);
}
.ml-40 {
    margin-left: var(--space-40);
}
.ml-auto {
    margin-left: auto;
}

.mr-0 {
    margin-right: 0;
}
.mr-1 {
    margin-right: var(--space-1);
}
.mr-2 {
    margin-right: var(--space-2);
}
.mr-3 {
    margin-right: var(--space-3);
}
.mr-4 {
    margin-right: var(--space-4);
}
.mr-6 {
    margin-right: var(--space-6);
}
.mr-8 {
    margin-right: var(--space-8);
}
.mr-10 {
    margin-right: var(--space-10);
}
.mr-12 {
    margin-right: var(--space-12);
}
.mr-16 {
    margin-right: var(--space-16);
}
.mr-20 {
    margin-right: var(--space-20);
}
.mr-24 {
    margin-right: var(--space-24);
}
.mr-32 {
    margin-right: var(--space-32);
}
.mr-40 {
    margin-right: var(--space-40);
}
.mr-auto {
    margin-right: auto;
}

.mx-0 {
    margin-left: 0;
    margin-right: 0;
}
.mx-1 {
    margin-left: var(--space-1);
    margin-right: var(--space-1);
}
.mx-2 {
    margin-left: var(--space-2);
    margin-right: var(--space-2);
}
.mx-3 {
    margin-left: var(--space-3);
    margin-right: var(--space-3);
}
.mx-4 {
    margin-left: var(--space-4);
    margin-right: var(--space-4);
}
.mx-6 {
    margin-left: var(--space-6);
    margin-right: var(--space-6);
}
.mx-8 {
    margin-left: var(--space-8);
    margin-right: var(--space-8);
}
.mx-10 {
    margin-left: var(--space-10);
    margin-right: var(--space-10);
}
.mx-12 {
    margin-left: var(--space-12);
    margin-right: var(--space-12);
}
.mx-16 {
    margin-left: var(--space-16);
    margin-right: var(--space-16);
}
.mx-20 {
    margin-left: var(--space-20);
    margin-right: var(--space-20);
}
.mx-24 {
    margin-left: var(--space-24);
    margin-right: var(--space-24);
}
.mx-32 {
    margin-left: var(--space-32);
    margin-right: var(--space-32);
}
.mx-40 {
    margin-left: var(--space-40);
    margin-right: var(--space-40);
}
.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.my-0 {
    margin-top: 0;
    margin-bottom: 0;
}
.my-1 {
    margin-top: var(--space-1);
    margin-bottom: var(--space-1);
}
.my-2 {
    margin-top: var(--space-2);
    margin-bottom: var(--space-2);
}
.my-3 {
    margin-top: var(--space-3);
    margin-bottom: var(--space-3);
}
.my-4 {
    margin-top: var(--space-4);
    margin-bottom: var(--space-4);
}
.my-6 {
    margin-top: var(--space-6);
    margin-bottom: var(--space-6);
}
.my-8 {
    margin-top: var(--space-8);
    margin-bottom: var(--space-8);
}
.my-10 {
    margin-top: var(--space-10);
    margin-bottom: var(--space-10);
}
.my-12 {
    margin-top: var(--space-12);
    margin-bottom: var(--space-12);
}
.my-16 {
    margin-top: var(--space-16);
    margin-bottom: var(--space-16);
}
.my-20 {
    margin-top: var(--space-20);
    margin-bottom: var(--space-20);
}
.my-24 {
    margin-top: var(--space-24);
    margin-bottom: var(--space-24);
}
.my-32 {
    margin-top: var(--space-32);
    margin-bottom: var(--space-32);
}
.my-40 {
    margin-top: var(--space-40);
    margin-bottom: var(--space-40);
}
.my-auto {
    margin-top: auto;
    margin-bottom: auto;
}

/* ===== Width ===== */
.w-full {
    width: 100%;
}
.w-auto {
    width: auto;
}
.w-50 {
    width: 50%;
}
.w-33 {
    width: 33.333%;
}
.w-25 {
    width: 25%;
}

/* ===== Height ===== */
.h-full {
    height: 100%;
}
.h-auto {
    height: auto;
}
.h-screen {
    height: 100vh;
}
.min-h-screen {
    min-height: 100vh;
}

/* ===== Position ===== */
.relative {
    position: relative;
}
.absolute {
    position: absolute;
}
.fixed {
    position: fixed;
}
.sticky {
    position: sticky;
}
.static {
    position: static;
}

/* ===== Overflow ===== */
.overflow-hidden {
    overflow: hidden;
}
.overflow-auto {
    overflow: auto;
}
.overflow-scroll {
    overflow: scroll;
}
.overflow-visible {
    overflow: visible;
}
.overflow-x-hidden {
    overflow-x: hidden;
}
.overflow-y-hidden {
    overflow-y: hidden;
}

/* ===== Z-Index ===== */
.z-0 {
    z-index: var(--z-0);
}
.z-10 {
    z-index: var(--z-10);
}
.z-20 {
    z-index: var(--z-20);
}
.z-30 {
    z-index: var(--z-30);
}
.z-40 {
    z-index: var(--z-40);
}
.z-50 {
    z-index: var(--z-50);
}

/* ===== Opacity ===== */
.opacity-0 {
    opacity: var(--opacity-0);
}
.opacity-10 {
    opacity: var(--opacity-10);
}
.opacity-20 {
    opacity: var(--opacity-20);
}
.opacity-30 {
    opacity: var(--opacity-30);
}
.opacity-40 {
    opacity: var(--opacity-40);
}
.opacity-50 {
    opacity: var(--opacity-50);
}
.opacity-60 {
    opacity: var(--opacity-60);
}
.opacity-70 {
    opacity: var(--opacity-70);
}
.opacity-80 {
    opacity: var(--opacity-80);
}
.opacity-90 {
    opacity: var(--opacity-90);
}
.opacity-100 {
    opacity: var(--opacity-100);
}

/* ===== Border Radius ===== */
.rounded-none {
    border-radius: var(--radius-none);
}
.rounded-sm {
    border-radius: var(--radius-sm);
}
.rounded-md {
    border-radius: var(--radius-md);
}
.rounded-lg {
    border-radius: var(--radius-lg);
}
.rounded-xl {
    border-radius: var(--radius-xl);
}
.rounded-2xl {
    border-radius: var(--radius-2xl);
}
.rounded-3xl {
    border-radius: var(--radius-3xl);
}
.rounded-full {
    border-radius: var(--radius-full);
}

/* ===== Border ===== */
.border {
    border: 1px solid var(--color-border);
}
.border-0 {
    border: 0;
}
.border-t {
    border-top: 1px solid var(--color-border);
}
.border-b {
    border-bottom: 1px solid var(--color-border);
}
.border-l {
    border-left: 1px solid var(--color-border);
}
.border-r {
    border-right: 1px solid var(--color-border);
}
.border-primary {
    border-color: var(--color-primary);
}
.border-gold {
    border-color: var(--color-gold);
}
.border-white {
    border-color: var(--color-white);
}

/* ===== Shadow ===== */
.shadow-none {
    box-shadow: none;
}
.shadow-xs {
    box-shadow: var(--shadow-xs);
}
.shadow-sm {
    box-shadow: var(--shadow-sm);
}
.shadow-md {
    box-shadow: var(--shadow-md);
}
.shadow-lg {
    box-shadow: var(--shadow-lg);
}
.shadow-xl {
    box-shadow: var(--shadow-xl);
}
.shadow-2xl {
    box-shadow: var(--shadow-2xl);
}
.shadow-3xl {
    box-shadow: var(--shadow-3xl);
}
.shadow-glow {
    box-shadow: var(--shadow-glow);
}
.shadow-gold {
    box-shadow: var(--shadow-gold);
}

/* ========================================
   14. Section Helpers
   ======================================== */

.section {
    padding: var(--space-40) 0;
}

.section-sm {
    padding: var(--space-24) 0;
}

.section-lg {
    padding: var(--space-64) 0;
}

.section-xl {
    padding: var(--space-80) 0;
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--leading-tight);
    color: var(--color-heading);
    margin-bottom: var(--space-8);
    letter-spacing: var(--tracking-tight);
}

.section-title .highlight {
    color: var(--color-gold);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-paragraph);
    max-width: 640px;
    margin: 0 auto var(--space-16);
    line-height: var(--leading-relaxed);
}

.section-subtitle:last-child {
    margin-bottom: 0;
}

.section-tag {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--color-gold);
    margin-bottom: var(--space-4);
    padding: var(--space-2) var(--space-6);
    background-color: rgba(212, 175, 55, 0.1);
    border-radius: var(--radius-full);
}

.section-divider {
    width: 60px;
    height: 3px;
    background: var(--color-gold);
    border-radius: var(--radius-full);
    margin: var(--space-8) auto var(--space-16);
}

/* ========================================
   15. Accessibility
   ======================================== */

/* ===== Skip Link ===== */
.skip-link {
    position: fixed;
    top: -100%;
    left: var(--space-8);
    z-index: var(--z-toast);
    padding: var(--space-8) var(--space-16);
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    transition: top var(--transition-base);
}

.skip-link:focus {
    top: var(--space-8);
}

/* ===== WhatsApp Floating Action Button ===== */
.wa-fab {
    position: fixed;
    right: clamp(16px, 3vw, 28px);
    bottom: clamp(16px, 3vw, 28px);
    z-index: 980;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25D366;
    color: #fff;
    display: grid;
    place-items: center;
    text-decoration: none;
    box-shadow: 0 14px 34px -8px rgba(37, 211, 102, 0.55), 0 6px 16px rgba(0, 0, 0, 0.22);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.wa-fab:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 20px 44px -10px rgba(37, 211, 102, 0.7), 0 8px 20px rgba(0, 0, 0, 0.25);
}
.wa-fab:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 3px;
}
.wa-fab svg {
    width: 34px;
    height: 34px;
    fill: currentColor;
    position: relative;
    z-index: 1;
}
.wa-fab-pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: #25D366;
    z-index: 0;
    animation: wa-pulse 2.4s ease-out infinite;
    pointer-events: none;
}
@keyframes wa-pulse {
    0% { transform: scale(1); opacity: 0.55; }
    70%, 100% { transform: scale(1.6); opacity: 0; }
}
.wa-fab-label {
    position: absolute;
    right: 74px;
    top: 50%;
    transform: translateY(-50%) translateX(8px);
    background: var(--color-navy, #0B1F3A);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    padding: 9px 14px;
    border-radius: 10px;
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.25);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
}
.wa-fab-label::after {
    content: "";
    position: absolute;
    right: -4px;
    top: 50%;
    width: 10px;
    height: 10px;
    background: var(--color-navy, #0B1F3A);
    transform: translateY(-50%) rotate(45deg);
}
@media (hover: hover) {
    .wa-fab:hover .wa-fab-label {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }
}
@media (prefers-reduced-motion: reduce) {
    .wa-fab-pulse { animation: none; opacity: 0; }
}

/* ===== 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 ===== */
/* Already defined above */

/* ===== Screen Reader Only ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.sr-only-focusable:focus-visible {
    position: static;
    width: auto;
    height: auto;
    padding: 0;
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* ========================================
   16. Animations
   ======================================== */

/* ===== Fade In ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn var(--motion-duration-500) var(--ease-out) forwards;
}

/* ===== Slide Up ===== */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp var(--motion-duration-500) var(--ease-out) forwards;
}

/* ===== Slide Down ===== */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-down {
    animation: slideDown var(--motion-duration-500) var(--ease-out) forwards;
}

/* ===== Scale In ===== */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.scale-in {
    animation: scaleIn var(--motion-duration-400) var(--ease-out) forwards;
}

/* ===== Float ===== */
@keyframes float {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-16px);
    }
}

.float {
    animation: float 6s var(--ease-in-out) infinite;
}

/* ===== Float Slow ===== */
@keyframes floatSlow {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-12px);
    }
}

.float-slow {
    animation: floatSlow 8s var(--ease-in-out) infinite;
}

/* ===== Pulse ===== */
@keyframes pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s var(--ease-in-out) infinite;
}

/* ===== Shimmer ===== */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.shimmer {
    background: linear-gradient(90deg, var(--color-surface) 25%, var(--color-border) 50%, var(--color-surface) 75%);
    background-size: 200% 100%;
    animation: shimmer 2s var(--ease-linear) infinite;
}

/* ========================================
   17. Responsive Helpers
   ======================================== */

/* ===== Text Responsive ===== */
@media (max-width: var(--breakpoint-sm)) {
    .text-sm-center {
        text-align: center;
    }
    .text-sm-left {
        text-align: left;
    }
    .text-sm-right {
        text-align: right;
    }
}

@media (min-width: var(--breakpoint-md)) and (max-width: calc(var(--breakpoint-lg) - 1px)) {
    .text-md-center {
        text-align: center;
    }
    .text-md-left {
        text-align: left;
    }
    .text-md-right {
        text-align: right;
    }
}

@media (min-width: var(--breakpoint-lg)) and (max-width: calc(var(--breakpoint-xl) - 1px)) {
    .text-lg-center {
        text-align: center;
    }
    .text-lg-left {
        text-align: left;
    }
    .text-lg-right {
        text-align: right;
    }
}

/* ===== Hide/Show ===== */
.hide-on-mobile {
    display: none;
}

@media (min-width: var(--breakpoint-md)) {
    .hide-on-mobile {
        display: block;
    }
}

.show-on-mobile {
    display: block;
}

@media (min-width: var(--breakpoint-md)) {
    .show-on-mobile {
        display: none;
    }
}

.hide-on-tablet {
    display: block;
}

@media (min-width: var(--breakpoint-md)) and (max-width: calc(var(--breakpoint-lg) - 1px)) {
    .hide-on-tablet {
        display: none;
    }
}

.hide-on-desktop {
    display: block;
}

@media (min-width: var(--breakpoint-lg)) {
    .hide-on-desktop {
        display: none;
    }
}

/* ========================================
   18. Print Styles
   ======================================== */

@media print {
    *,
    *::before,
    *::after {
        background: transparent !important;
        color: #000 !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        page-break-after: avoid;
        page-break-inside: avoid;
    }

    p,
    h2,
    h3 {
        orphans: 3;
        widows: 3;
    }

    img {
        page-break-inside: avoid;
        max-width: 100% !important;
    }

    a,
    a:visited {
        text-decoration: underline;
    }

    a[href]::after {
        content: " (" attr(href) ")";
    }

    abbr[title]::after {
        content: " (" attr(title) ")";
    }

    pre,
    blockquote {
        border: 1px solid #999;
        page-break-inside: avoid;
    }

    thead {
        display: table-header-group;
    }

    tr,
    img {
        page-break-inside: avoid;
    }

    .no-print {
        display: none !important;
    }

    .print-only {
        display: block !important;
    }
}

/* ========================================
   19. Misc Helpers
   ======================================== */

/* ===== Clearfix ===== */
.clearfix::after {
    content: '';
    display: table;
    clear: both;
}

/* ===== Text Truncate ===== */
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ===== Line Clamp ===== */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== Background Colors ===== */
.bg-white {
    background-color: var(--color-white);
}
.bg-surface {
    background-color: var(--color-surface);
}
.bg-primary {
    background-color: var(--color-primary);
}
.bg-gold {
    background-color: var(--color-gold);
}
.bg-transparent {
    background-color: transparent;
}

/* ===== Text Colors ===== */
.text-white {
    color: var(--color-white);
}
.text-primary {
    color: var(--color-primary);
}
.text-gold {
    color: var(--color-gold);
}
.text-heading {
    color: var(--color-heading);
}
.text-paragraph {
    color: var(--color-paragraph);
}
.text-muted {
    color: var(--color-muted);
}

/* ========================================
   20. Container Width Helpers
   ======================================== */

.max-w-xs {
    max-width: 320px;
}
.max-w-sm {
    max-width: 384px;
}
.max-w-md {
    max-width: 448px;
}
.max-w-lg {
    max-width: 512px;
}
.max-w-xl {
    max-width: 576px;
}
.max-w-2xl {
    max-width: 672px;
}
.max-w-3xl {
    max-width: 768px;
}
.max-w-4xl {
    max-width: 896px;
}
.max-w-5xl {
    max-width: 1024px;
}
.max-w-6xl {
    max-width: 1152px;
}
.max-w-7xl {
    max-width: 1280px;
}
.max-w-full {
    max-width: 100%;
}