/* ========================================
   RESET & BASE STYLES
   ======================================== */

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

:root {
    /* Color Palette */
    --color-primary: #1E3A8A;        /* Navy Blue */
    --color-primary-dark: #1E40AF;
    --color-primary-light: #3B82F6;
    --color-success: #10B981;        /* Bright Green */
    --color-success-dark: #059669;
    --color-danger: #EF4444;         /* Red */
    --color-danger-dark: #DC2626;
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-900: #111827;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* 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);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3, h4, h5, h6 {
    color: var(--color-gray-900);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
}

/* ========================================
   LAYOUT
   ======================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
}

.nav-brand i {
    font-size: 1.75rem;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--color-gray-700);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.btn-nav {
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-primary);
    cursor: pointer;
}

.mobile-menu {
    display: none;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    z-index: 999;
    padding: var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    text-decoration: none;
    color: var(--color-gray-700);
    font-weight: 500;
    padding: var(--spacing-sm);
    transition: background-color var(--transition-fast);
}

.mobile-menu a:hover {
    background-color: var(--color-gray-50);
}

.btn-mobile {
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    text-align: center;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-sm);
}

/* ========================================
   HERO SECTION & ROI CALCULATOR
   ======================================== */

.hero-section {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    padding: var(--spacing-2xl) 0;
}

.hero-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.hero-title {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    max-width: 800px;
    margin: 0 auto;
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.calculator-section-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-900);
}

/* Calculator Inputs */
.calculator-inputs {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.input-group {
    margin-bottom: var(--spacing-xl);
}

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

.label-text {
    font-weight: 600;
    color: var(--color-gray-900);
    font-size: 1.125rem;
}

.label-value {
    font-weight: 800;
    color: var(--color-primary);
    font-size: 1.5rem;
}

.input-help {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-sm);
    font-style: italic;
}

/* Custom Range Slider */
.slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 10px;
    border-radius: 5px;
    background: var(--color-gray-200);
    outline: none;
    transition: background var(--transition-base);
}

.slider:hover {
    background: var(--color-gray-300);
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.slider::-webkit-slider-thumb:hover {
    background: var(--color-primary-dark);
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.slider::-moz-range-thumb:hover {
    background: var(--color-primary-dark);
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* Calculator Results */
.calculator-results {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.result-card {
    background-color: var(--color-gray-50);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

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

.result-neutral {
    border-color: var(--color-gray-200);
}

.result-negative {
    background: linear-gradient(135deg, #FEE2E2 0%, #FECACA 100%);
    border-color: var(--color-danger);
}

.result-negative-large {
    background: linear-gradient(135deg, #DC2626 0%, #EF4444 100%);
    border-color: var(--color-danger-dark);
    grid-column: span 2;
}

.result-negative-large .result-label,
.result-negative-large .result-value {
    color: var(--color-white);
}

.result-positive {
    background: linear-gradient(135deg, #D1FAE5 0%, #A7F3D0 100%);
    border-color: var(--color-success);
    grid-column: span 2;
}

.result-icon {
    font-size: 2rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

.result-negative .result-icon {
    color: var(--color-danger);
}

.result-negative-large .result-icon {
    color: var(--color-white);
}

.result-positive .result-icon {
    color: var(--color-success);
}

.result-content {
    flex: 1;
}

.result-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.result-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-gray-900);
    transition: all var(--transition-base);
}

.result-value.large {
    font-size: 2.25rem;
}

.result-value.extra-large {
    font-size: 2.75rem;
}

.result-subtext {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-top: 0.25rem;
}

.result-positive .result-value {
    color: var(--color-success-dark);
}

.result-negative .result-value {
    color: var(--color-danger-dark);
}

/* Results CTA */
.results-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
}

.results-cta-text {
    color: var(--color-white);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
    font-size: 1rem;
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ========================================
   HOW IT WORKS SECTION
   ======================================== */

.how-it-works-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    max-width: 700px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.feature-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid var(--color-gray-100);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-light);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.feature-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: var(--color-gray-100);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* Conversation Example */
.conversation-example {
    background-color: var(--color-gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-2xl);
}

.conversation-title {
    text-align: center;
    font-size: 1.875rem;
    margin-bottom: var(--spacing-lg);
}

.conversation-box {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.conversation-message {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.ai-message {
    align-self: flex-start;
}

.customer-message {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.ai-message .message-avatar {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
}

.customer-message .message-avatar {
    background-color: var(--color-gray-300);
    color: var(--color-gray-700);
}

.message-content {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    max-width: 500px;
}

.customer-message .message-content {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.message-sender {
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
    color: var(--color-gray-900);
}

.customer-message .message-sender {
    color: var(--color-white);
}

.message-text {
    margin-bottom: 0;
}

/* Flow Diagram */
.flow-diagram {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.flow-title {
    text-align: center;
    font-size: 1.875rem;
    margin-bottom: var(--spacing-xl);
}

.flow-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.flow-step {
    flex: 1;
    min-width: 180px;
    text-align: center;
    position: relative;
}

.flow-step-number {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-dark) 100%);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    z-index: 1;
}

.flow-step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-white);
    margin: 0 auto var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.flow-step-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.flow-step-description {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.flow-arrow {
    font-size: 2rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

/* ========================================
   PRICING SECTION
   ======================================== */

.pricing-section {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    padding: var(--spacing-2xl) 0;
}

.pricing-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.pricing-box {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 3px solid var(--color-primary);
    position: relative;
}

.pricing-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-dark) 100%);
    color: var(--color-white);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-gray-100);
}

.pricing-plan-name {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.price-trial {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-success);
}

.price-duration {
    font-size: 1.25rem;
    color: var(--color-gray-600);
}

.pricing-price-after {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-xs);
}

.price-amount {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
}

.price-period {
    font-size: 1.125rem;
    color: var(--color-gray-600);
}

.pricing-features {
    margin-bottom: var(--spacing-lg);
}

.pricing-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--color-gray-700);
}

.pricing-feature i {
    color: var(--color-success);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.pricing-guarantee {
    background-color: var(--color-gray-50);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-primary);
}

.pricing-guarantee i {
    font-size: 1.5rem;
}

/* Sign-Up Form */
.signup-form-container {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.form-title {
    font-size: 1.875rem;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.form-subtitle {
    text-align: center;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

.signup-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select {
    padding: 0.75rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-group input.error,
.form-group select.error {
    border-color: var(--color-danger);
}

.form-error {
    color: var(--color-danger);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.form-error.visible {
    display: block;
}

.form-footer-text {
    text-align: center;
    color: var(--color-gray-600);
    font-size: 0.875rem;
    margin-top: var(--spacing-sm);
}

/* Success Message */
.success-message {
    text-align: center;
    padding: var(--spacing-xl);
}

.success-icon {
    font-size: 4rem;
    color: var(--color-success);
    margin-bottom: var(--spacing-md);
}

.success-message h3 {
    font-size: 2rem;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.success-message p {
    color: var(--color-gray-600);
    font-size: 1.125rem;
}

.success-subtext {
    font-size: 1rem;
    color: var(--color-gray-500);
    margin-top: var(--spacing-sm);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-white);
}

.footer-brand i {
    font-size: 1.75rem;
}

.footer-text p {
    margin-bottom: 0.25rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: var(--color-gray-300);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
    .calculator-wrapper {
        grid-template-columns: 1fr;
    }
    
    .pricing-content {
        grid-template-columns: 1fr;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .result-negative-large,
    .result-positive {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.875rem; }
    h3 { font-size: 1.5rem; }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .calculator-inputs,
    .calculator-results {
        padding: var(--spacing-md);
    }
    
    .result-value {
        font-size: 1.5rem;
    }
    
    .result-value.large {
        font-size: 1.75rem;
    }
    
    .result-value.extra-large {
        font-size: 2rem;
    }
    
    .flow-steps {
        flex-direction: column;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .conversation-message {
        flex-direction: column;
    }
    
    .customer-message {
        flex-direction: column;
    }
    
    .message-content {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.875rem;
    }
    
    .calculator-section-title {
        font-size: 1.5rem;
    }
    
    .label-value {
        font-size: 1.25rem;
    }
    
    .result-card {
        flex-direction: column;
        text-align: center;
    }
    
    .price-trial {
        font-size: 2.5rem;
    }
    
    .price-amount {
        font-size: 1.75rem;
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */

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

@keyframes slideIn {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

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

.animate-slide-in {
    animation: slideIn 0.5s ease-out;
}

/* Counter Animation */
@keyframes countUp {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.result-value.updating {
    animation: countUp 0.3s ease-out;
}