/* ===================================
   CSS RESET & BASE STYLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Brand Colors - Updated to match NuRevur website */
    --primary: #0CACAC;
    --primary-dark: #087070;
    --primary-light: #0CACAC;
    --secondary: #111111;
    --dark-bg: #2C3E3E;
    --darker-bg: #1A2626;
    --background: #F5F5F5;
    --surface: #FFFFFF;
    --surface-elevated: #FFFFFF;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0CACAC 0%, #087070 100%);
    --gradient-dark: linear-gradient(135deg, #2C3E3E 0%, #1A2626 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(12, 172, 172, 0.05) 0%, rgba(8, 112, 112, 0.05) 100%);

    /* Text Colors */
    --text-primary: #111111;
    --text-secondary: #6B7280;
    --text-tertiary: #9CA3AF;
    --text-on-primary: #FFFFFF;
    --text-on-dark: #FFFFFF;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-teal: 0 10px 30px -5px rgba(12, 172, 172, 0.3);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-family);
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===================================
   NAVIGATION BAR
   =================================== */
.navbar {
    background: var(--surface-elevated);
    padding: var(--spacing-lg) 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(12, 172, 172, 0.1);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: block;
}

.logo {
    height: 80px;
    width: auto;
    transition: transform var(--transition-base);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

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

.nav-links {
    display: flex;
    gap: var(--spacing-2xl);
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    position: relative;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--primary);
    transition: width var(--transition-base);
    border-radius: 2px;
}

.nav-links a:hover {
    color: var(--primary);
    background: var(--gradient-subtle);
}

.nav-links a:hover::after {
    width: 80%;
}


/* ===================================
   HEADER SECTION
   =================================== */
.header {
    background: var(--surface-elevated);
    color: var(--text-primary);
    padding: var(--spacing-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 3px solid var(--primary);
}

.header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(12, 172, 172, 0.05) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: headerPattern 20s linear infinite;
    opacity: 0.5;
}

@keyframes headerPattern {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(30px, 30px);
    }
}

.header-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
    letter-spacing: -0.02em;
}

.header-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
    position: relative;
    z-index: 1;
    font-weight: 400;
}

.header-tagline {
    font-size: var(--font-size-sm);
    opacity: 0.8;
    position: relative;
    z-index: 1;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary);
}

/* ===================================
   MAIN CONTENT
   =================================== */
.main-content {
    padding: var(--spacing-3xl) 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-2xl);
    align-items: start;
}

/* ===================================
   SECTION HEADERS
   =================================== */
.section-header {
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    font-weight: 400;
}

/* ===================================
   SLIDER CARDS
   =================================== */
.slider-card {
    background: var(--surface-elevated);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid rgba(10, 138, 138, 0.1);
}

.slider-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: rgba(10, 138, 138, 0.2);
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.slider-label {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.slider-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary);
    min-width: 60px;
    text-align: right;
    animation: valueChange 0.3s ease;
}

@keyframes valueChange {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

.slider-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Custom Slider Styling */
.slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 100px;
    background: linear-gradient(to right, var(--primary) 0%, var(--primary) 30%, #E5E7EB 30%, #E5E7EB 100%);
    outline: none;
    transition: all var(--transition-base);
}

.slider:hover {
    background: linear-gradient(to right, var(--primary-light) 0%, var(--primary-light) 30%, #D1D5DB 30%, #D1D5DB 100%);
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(10, 138, 138, 0.4);
    transition: all var(--transition-base);
}

.slider::-webkit-slider-thumb:hover {
    background: var(--primary-light);
    transform: scale(1.15);
    box-shadow: 0 4px 12px rgba(10, 138, 138, 0.5);
}

.slider::-webkit-slider-thumb:active {
    transform: scale(1.05);
}

.slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(10, 138, 138, 0.4);
    transition: all var(--transition-base);
}

.slider::-moz-range-thumb:hover {
    background: var(--primary-light);
    transform: scale(1.15);
    box-shadow: 0 4px 12px rgba(10, 138, 138, 0.5);
}

.slider-range {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    font-weight: 500;
}

/* ===================================
   RESULTS SECTION
   =================================== */
.results-sticky {
    position: sticky;
    top: var(--spacing-xl);
}

.results-card {
    background: var(--surface-elevated);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(10, 138, 138, 0.15);
    margin-bottom: var(--spacing-lg);
}

.results-card-header {
    background: var(--gradient-primary);
    color: var(--text-on-primary);
    padding: var(--spacing-xl);
    text-align: center;
}

.results-card-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
}

.results-card-header p {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.results-card-body {
    padding: var(--spacing-xl);
}

.result-item {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    transition: all var(--transition-base);
}

.result-primary {
    background: var(--gradient-subtle);
    border: 2px solid var(--primary);
}

.result-secondary {
    background: var(--surface);
    border: 1px solid #E5E7EB;
}

.result-item:hover {
    transform: translateX(4px);
}

.result-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.result-amount {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.02em;
    animation: amountUpdate 0.4s ease;
}

@keyframes amountUpdate {
    0% {
        opacity: 0.7;
        transform: scale(0.98);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Breakdown Section */
.breakdown-section {
    border-top: 1px solid #E5E7EB;
    padding: var(--spacing-lg) var(--spacing-xl);
}

.breakdown-section h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: var(--font-size-sm);
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.breakdown-item span:last-child {
    font-weight: 600;
    color: var(--primary);
}

/* ===================================
   SUPPORT CARD
   =================================== */
.support-card {
    background: var(--surface-elevated);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(10, 138, 138, 0.1);
}

.support-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.01em;
}

.support-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    font-family: var(--font-family);
    width: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-on-primary);
    box-shadow: var(--shadow-teal);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px -5px rgba(10, 138, 138, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--surface);
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--text-on-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-icon {
    transition: transform var(--transition-base);
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

/* ===================================
   CTA SECTION
   =================================== */
.cta-section {
    margin-top: var(--spacing-3xl);
}

.cta-card {
    background: var(--gradient-subtle);
    border: 2px solid var(--primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.cta-card h2 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.cta-card p {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.cta-card .btn {
    margin-top: var(--spacing-lg);
    max-width: 300px;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--gradient-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-3xl) 0;
    margin-top: var(--spacing-3xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.footer-brand {
    text-align: center;
}

.footer-logo {
    height: 80px;
    width: auto;
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: var(--primary);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.footer-info {
    text-align: left;
}

.footer-note {
    font-size: var(--font-size-sm);
    font-style: italic;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.footer-contact {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.footer-copyright {
    font-size: var(--font-size-xs);
    opacity: 0.7;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 968px) {
    .content-grid {
        grid-template-columns: 1fr;
    }

    .results-sticky {
        position: static;
    }

    .header-title {
        font-size: var(--font-size-3xl);
    }

    .cta-card {
        padding: var(--spacing-2xl);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .footer-info {
        text-align: center;
    }

    .nav-links {
        gap: var(--spacing-md);
    }
}

@media (max-width: 640px) {
    .header {
        padding: var(--spacing-2xl) 0;
    }

    .header-title {
        font-size: var(--font-size-2xl);
    }

    .header-subtitle {
        font-size: var(--font-size-base);
    }

    .section-header h2 {
        font-size: var(--font-size-2xl);
    }

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

    .result-amount {
        font-size: var(--font-size-2xl);
    }

    .cta-card h2 {
        font-size: var(--font-size-2xl);
    }

    .nav-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .nav-links {
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
        text-align: center;
    }

    .logo {
        height: 60px;
    }

    .footer-logo {
        height: 60px;
    }
}

/* ===================================
   ANIMATIONS & MICRO-INTERACTIONS
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slider-card,
.results-card,
.support-card,
.cta-card {
    animation: fadeInUp 0.6s ease backwards;
}

.slider-card:nth-child(1) {
    animation-delay: 0.1s;
}

.slider-card:nth-child(2) {
    animation-delay: 0.15s;
}

.slider-card:nth-child(3) {
    animation-delay: 0.2s;
}

.slider-card:nth-child(4) {
    animation-delay: 0.25s;
}

.slider-card:nth-child(5) {
    animation-delay: 0.3s;
}

.slider-card:nth-child(6) {
    animation-delay: 0.35s;
}