:root {
    /* Color Variables - REQUIRED */
    --brand-primary: #00B2A8;
    --brand-dark: #007d75;
    --brand-light: #ccf0ee;
    --brand-accent: #00e6d9;
    --brand-neutral: #64748b;

    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;

    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-light: #ffffff;

    /* Typography Scale - REQUIRED */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Required CMS Utility Classes */
.cms-bg-primary { background-color: var(--brand-primary); }
.cms-text-primary { color: var(--brand-primary); }
.cms-border-primary { border-color: var(--brand-primary); }
.cms-bg-dark { background-color: var(--brand-dark); }
.cms-text-dark { color: var(--brand-dark); }
.cms-border-dark { border-color: var(--brand-dark); }
.cms-bg-light { background-color: var(--brand-light); }
.cms-text-light { color: var(--brand-light); }
.cms-border-light { border-color: var(--brand-light); }
.cms-bg-accent { background-color: var(--brand-accent); }
.cms-text-accent { color: var(--brand-accent); }
.cms-border-accent { border-color: var(--brand-accent); }
.cms-bg-neutral { background-color: var(--brand-neutral); }
.cms-text-neutral { color: var(--brand-neutral); }
.cms-border-neutral { border-color: var(--brand-neutral); }

/* Global Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

/* Container Utility */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* ========================================
   PROFESSIONAL BUTTON COMPONENTS
   ======================================== */

/* Primary Button */
.btn,
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--brand-primary);
    color: var(--text-light);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    line-height: 1;
}

.btn-primary:hover,
.btn:hover {
    background: var(--brand-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

/* Secondary Button */
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}

.btn-secondary:hover {
    background: var(--brand-light);
    color: var(--brand-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Outline Button */
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: calc(var(--spacing-sm) - 2px) calc(var(--spacing-lg) - 2px);
    background: transparent;
    color: var(--brand-primary);
    border: 2px solid var(--brand-primary);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
}

.btn-outline:hover {
    background: var(--brand-primary);
    color: var(--text-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Button Sizes */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--text-sm);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--text-lg);
}

/* Button Full Width */
.btn-block {
    width: 100%;
    display: flex;
}

/* Button with Icon */
.btn i {
    font-size: 1em;
    transition: transform 0.3s ease;
}

.btn:hover i {
    transform: translateX(3px);
}

/* ========================================
   PROFESSIONAL CARD COMPONENTS
   ======================================== */

.card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--brand-light);
}

.card-header {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.card-body {
    color: var(--text-secondary);
    line-height: 1.6;
}

.card-footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Card Variants */
.card-elevated {
    box-shadow: var(--shadow-lg);
}

.card-bordered {
    border: 2px solid var(--brand-light);
}

.card-interactive {
    cursor: pointer;
}

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

/* ========================================
   FORM & INPUT COMPONENTS
   ======================================== */

.input,
.input-field,
.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid #e5e7eb;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: all 0.3s ease;
}

.input:focus,
.input-field:focus,
.form-input:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(0, 178, 168, 0.1);
}

.input::placeholder,
.input-field::placeholder,
.form-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

/* Input with Icon */
.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group .input-icon {
    position: absolute;
    left: var(--spacing-md);
    color: var(--text-secondary);
    pointer-events: none;
}

.input-group .input {
    padding-left: 3rem;
}

/* Textarea */
.textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid #e5e7eb;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: all 0.3s ease;
    resize: vertical;
    min-height: 120px;
}

.textarea:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(0, 178, 168, 0.1);
}

/* Select */
.select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid #e5e7eb;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
}

.select:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(0, 178, 168, 0.1);
}

/* ========================================
   BADGE & TAG COMPONENTS
   ======================================== */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    background: var(--brand-light);
    color: var(--brand-primary);
    border-radius: var(--radius-xl);
    font-size: var(--text-xs);
    font-weight: 600;
    line-height: 1;
}

.badge-primary {
    background: var(--brand-primary);
    color: var(--text-light);
}

.badge-secondary {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.badge-accent {
    background: var(--brand-accent);
    color: var(--text-light);
}

.badge-success {
    background: #10b981;
    color: white;
}

.badge-warning {
    background: #f59e0b;
    color: white;
}

.badge-error {
    background: #ef4444;
    color: white;
}

/* Tag */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 1rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
}

.tag:hover {
    background: var(--brand-light);
    color: var(--brand-primary);
    transform: translateY(-2px);
}

.tag-active {
    background: var(--brand-primary);
    color: var(--text-light);
}

/* ========================================
   GLASSMORPHISM EFFECTS
   ======================================== */

.glass {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ========================================
   GRADIENT UTILITIES
   ======================================== */

.gradient-primary {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-accent) 100%);
}

.gradient-text {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-overlay {
    position: relative;
    overflow: hidden;
}

.gradient-overlay::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-accent) 100%);
    opacity: 0.1;
    pointer-events: none;
}

/* ========================================
   ANIMATION UTILITIES
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.animate-fadeIn {
    animation: fadeIn 0.6s ease-out;
}

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease-out;
}

.animate-scaleIn {
    animation: scaleIn 0.5s ease-out;
}

.animate-delay-1 {
    animation-delay: 0.1s;
}

.animate-delay-2 {
    animation-delay: 0.2s;
}

.animate-delay-3 {
    animation-delay: 0.3s;
}

/* ========================================
   TYPOGRAPHY UTILITIES
   ======================================== */

.text-gradient {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-balance {
    text-wrap: balance;
}

.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

/* ========================================
   HOVER EFFECTS
   ======================================== */

.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(0, 178, 168, 0.4);
}

.hover-scale {
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* ========================================
   SPACING UTILITIES
   ======================================== */

.section-padding {
    padding: var(--spacing-2xl) 0;
}

.section-margin {
    margin: var(--spacing-2xl) 0;
}

/* ========================================
   LOADING STATES
   ======================================== */

.skeleton {
    background: linear-gradient(
        90deg,
        #f0f0f0 25%,
        #e0e0e0 50%,
        #f0f0f0 75%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
    border-radius: var(--radius-md);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--brand-light);
    border-top-color: var(--brand-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ========================================
   RESPONSIVE UTILITIES
   ======================================== */

@media (max-width: 768px) {
    .btn,
    .btn-primary,
    .btn-secondary,
    .btn-outline {
        padding: 0.75rem 1.5rem;
        font-size: var(--text-sm);
    }

    .card {
        padding: var(--spacing-md);
    }
}