/* UTM Campaign URL Builder - Modern Mobile-First Design with Tracklution Colors */

/* CSS Custom Properties - Tracklution Theme */
:root {
    /* Tracklution Brand Colors */
    --tl-orange: #FA541C;           /* Primary orange */
    --tl-orange-light: #FF7A45;     /* Lighter orange */
    --tl-orange-dark: #D4380D;      /* Darker orange */
    --tl-dark: #212B36;             /* Dark blue/black */
    --tl-dark-light: #2C3E50;       /* Lighter dark */
    
    /* Supporting Colors */
    --color-white: #FFFFFF;
    --color-gray-50: #F8F9FA;
    --color-gray-100: #F1F3F4;
    --color-gray-200: #E8EAED;
    --color-gray-300: #DADCE0;
    --color-gray-400: #BDC1C6;
    --color-gray-500: #9AA0A6;
    --color-gray-600: #80868B;
    --color-gray-700: #5F6368;
    --color-gray-800: #3C4043;
    --color-gray-900: #202124;
    
    /* Status Colors */
    --color-success: #10B981;
    --color-error: #EF4444;
    --color-warning: #F59E0B;
    --color-info: #3B82F6;
    
    /* Spacing System - 16px base */
    --space-1: 0.25rem;  /* 4px */
    --space-2: 0.5rem;   /* 8px */
    --space-3: 0.75rem;  /* 12px */
    --space-4: 1rem;     /* 16px */
    --space-5: 1.25rem;  /* 20px */
    --space-6: 1.5rem;   /* 24px */
    --space-8: 2rem;     /* 32px */
    --space-10: 2.5rem;  /* 40px */
    --space-12: 3rem;    /* 48px */
    --space-16: 4rem;    /* 64px */
    
    /* Border Radius */
    --radius-sm: 0.375rem;  /* 6px */
    --radius-md: 0.5rem;    /* 8px */
    --radius-lg: 0.75rem;   /* 12px */
    --radius-xl: 1rem;      /* 16px */
    --radius-2xl: 1.5rem;   /* 24px */
    --radius-full: 9999px;
    
    /* 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);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px; /* Base font size */
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    line-height: 1.6;
    color: var(--tl-dark);
    background: var(--color-gray-50);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography - Headings use Barlow */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Barlow', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-weight: 600;
    line-height: 1.3;
    color: var(--tl-dark);
}

/* Progress Bar */
.progress-container {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    padding: var(--space-3) var(--space-4) var(--space-5);
}

.progress-bar {
    height: 4px;
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-6);
}

.progress-fill {
    height: 100%;
    background: var(--tl-orange);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
    width: 0%;
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    max-width: 600px;
    margin: 0 auto;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    position: relative;
}

.progress-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: var(--color-gray-200);
    z-index: -1;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--color-gray-200);
    color: var(--color-gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all var(--transition-normal);
    margin-bottom: var(--space-2);
}

.progress-step.active .step-number {
    background: var(--tl-orange);
    color: var(--color-white);
    transform: scale(1.1);
}

.progress-step.completed .step-number {
    background: var(--color-success);
    color: var(--color-white);
}

.step-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition-normal);
}

.progress-step.active .step-label {
    color: var(--tl-orange);
    font-weight: 600;
}

.progress-step.completed .step-label {
    color: var(--color-success);
}

/* Main Layout */
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* Visual connection between header and progress */
.main-header::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -2px;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    transform: translateX(-50%);
    opacity: 0.6;
}

.main-header {
    text-align: center;
    padding: var(--space-12) 0 var(--space-8);
    position: relative;
    background: var(--tl-orange);
    color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
}

.main-header h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--space-3);
    line-height: 1.2;
}

.main-header p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto var(--space-6);
}

/* Hero Actions */
.hero-actions {
    margin-top: var(--space-6);
}

.learn-more-btn {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: underline;
    text-decoration-color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    font-weight: 400;
    font-family: 'Poppins', sans-serif;
    transition: all var(--transition-normal);
}

.learn-more-btn:hover {
    color: var(--color-white);
    text-decoration-color: var(--color-white);
}

/* Wizard Steps */
.wizard-step {
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    display: none;
}

.wizard-step.active {
    opacity: 1;
    transform: translateY(0);
    display: block;
    animation: fadeInUp 0.5s ease-out;
}

.step-header {
    text-align: center;
    margin: var(--space-6) 0 var(--space-8);
}

.step-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--tl-dark);
    margin-bottom: var(--space-3);
    line-height: 1.3;
}

.step-header p {
    font-size: 1rem;
    color: var(--color-gray-700);
    margin-bottom: var(--space-6);
}

/* Search Container */
.search-container {
    position: relative;
    max-width: 400px;
    margin: 0 auto var(--space-6);
}

.search-input {
    width: 100%;
    padding: var(--space-4) var(--space-5) var(--space-4) var(--space-12);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-xl);
    font-size: 1rem;
    font-family: inherit;
    background: var(--color-white);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.search-input:focus {
    outline: none;
    border-color: var(--tl-orange);
    box-shadow: 0 0 0 3px rgba(250, 84, 28, 0.1);
}

.search-input::placeholder {
    color: var(--color-gray-500);
}

.search-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.25rem;
    color: var(--color-gray-500);
    pointer-events: none;
}

/* Step 2 Search Box */
.step2-search {
    max-width: 500px;
    margin: 0 auto var(--space-6);
}

.step2-search .search-input {
    font-size: 0.9rem;
    padding: var(--space-3) var(--space-4) var(--space-3) var(--space-10);
}

.step2-search .search-input::placeholder {
    color: var(--color-gray-400);
    font-style: italic;
}

/* Preset Dropdown */
.preset-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    max-height: 320px;
    overflow-y: auto;
    margin-top: var(--space-1);
}

.preset-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    border-bottom: 1px solid var(--color-gray-100);
}

.preset-dropdown-item:last-child {
    border-bottom: none;
}

.preset-dropdown-item:hover {
    background: var(--color-gray-50);
}

.preset-dropdown-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.preset-dropdown-text {
    flex: 1;
    min-width: 0;
}

.preset-dropdown-text strong {
    display: block;
    color: var(--tl-dark);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.preset-dropdown-text small {
    display: block;
    color: var(--color-gray-600);
    font-size: 0.75rem;
    line-height: 1.3;
}

/* Preset Grid */
.preset-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-10);
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

@media (min-width: 640px) {
    .preset-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .preset-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1280px) {
    .preset-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.preset-card {
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}


.preset-card.selected {
    border-color: var(--tl-orange);
    background: rgba(250, 84, 28, 0.05);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.preset-custom {
    border: 2px dashed var(--color-gray-300);
    background: var(--color-gray-50);
}


.preset-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-4);
    display: block;
}

.preset-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--tl-dark);
    margin-bottom: var(--space-2);
}

.preset-card p {
    color: var(--color-gray-600);
    font-size: 0.875rem;
    line-height: 1.4;
    margin-bottom: var(--space-4);
}

.preset-tags {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    justify-content: center;
}

.preset-tags span {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.preset-card.selected .preset-tags span {
    background: rgba(250, 84, 28, 0.1);
    color: var(--tl-orange-dark);
}

/* Selected Preset Display */
.selected-preset {
    margin-bottom: var(--space-6);
}

.preset-display {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--color-gray-100);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.preset-display .preset-icon {
    font-size: 1rem;
    margin: 0;
}

/* Form Styling */
.form-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-200);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--tl-dark);
    margin-bottom: var(--space-2);
    font-size: 0.875rem;
    font-family: 'Poppins', sans-serif;
}

.form-group input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    background: var(--color-white);
    transition: all var(--transition-normal);
    font-family: inherit;
    min-height: 48px; /* Touch-friendly */
}

.form-group input:focus {
    outline: none;
    border-color: var(--tl-orange);
    box-shadow: 0 0 0 3px rgba(250, 84, 28, 0.1);
    transform: translateY(-1px);
}

.form-group small {
    display: block;
    margin-top: var(--space-2);
    color: var(--color-gray-600);
    font-size: 0.75rem;
    line-height: 1.4;
}

/* Live Preview */
.live-preview {
    margin-top: var(--space-8);
    padding: var(--space-6);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
}

.live-preview h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--tl-dark);
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.preview-url {
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    word-break: break-all;
    line-height: 1.5;
    padding: var(--space-3);
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-200);
}

.preview-url.active {
    color: var(--tl-dark);
    border-color: var(--tl-orange);
}

.preview-url.error {
    color: var(--color-error);
    border-color: var(--color-error);
}

/* Navigation Buttons */
.step-navigation {
    display: flex;
    gap: var(--space-4);
    justify-content: space-between;
    margin-top: var(--space-10);
}

@media (max-width: 640px) {
    .step-navigation {
        flex-direction: column-reverse;
        gap: var(--space-3);
    }
}

.btn-next, .btn-back, .btn-secondary, .btn-copy, .btn-test {
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 48px; /* Touch-friendly */
    line-height: 1;
}

.btn-next {
    background: var(--tl-orange);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
    flex: 1;
}

.btn-next:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-next:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-back, .btn-secondary {
    background: var(--color-white);
    color: var(--color-gray-700);
    border: 2px solid var(--color-gray-300);
}

.btn-back:hover, .btn-secondary:hover {
    color: var(--tl-orange);
    border-color: var(--tl-orange);
    transform: translateY(-1px);
}

.arrow {
    font-size: 0.75rem;
    transition: transform var(--transition-normal);
}

.btn-next:hover .arrow {
    transform: translateX(2px);
}

.btn-back:hover .arrow {
    transform: translateX(-2px);
}

/* Result Section */
.result-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    margin-bottom: var(--space-8);
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--color-success);
    position: relative;
    overflow: hidden;
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-success);
}

.url-result {
    margin-bottom: var(--space-6);
}

.url-result label {
    display: block;
    font-weight: 600;
    color: var(--tl-dark);
    margin-bottom: var(--space-3);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.url-container {
    display: flex;
    gap: var(--space-3);
    align-items: stretch;
}

@media (max-width: 640px) {
    .url-container {
        flex-direction: column;
    }
}

.url-container input {
    flex: 1;
    padding: var(--space-4);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    background: var(--color-gray-50);
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.875rem;
    color: var(--tl-dark);
    word-break: break-all;
}

.btn-copy {
    background: var(--color-success);
    color: var(--color-white);
    min-width: 100px;
}

.btn-copy:hover {
    background: #059669;
    transform: scale(1.05);
}

.url-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    margin-top: var(--space-6);
}

@media (max-width: 640px) {
    .url-actions {
        flex-direction: column;
    }
}

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

.btn-test:hover {
    background: #2563EB;
    transform: translateY(-2px);
}

/* Tracklution CTA */
.tracklution-cta {
    background: var(--tl-dark);
    color: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    margin: var(--space-8) 0;
    position: relative;
    overflow: hidden;
    animation: slideInUp 0.6s ease-out;
}

.tracklution-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(250, 84, 28, 0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
    z-index: 1;
}

.cta-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    position: relative;
    z-index: 2;
}

@media (max-width: 640px) {
    .cta-header {
        flex-direction: column;
        gap: var(--space-3);
        text-align: center;
    }
}

.cta-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-white);
}

.cta-badge {
    background: var(--tl-orange);
    color: var(--color-white);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    animation: pulse 2s ease-in-out infinite;
}

.cta-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    position: relative;
    z-index: 2;
    margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
    .cta-content {
        grid-template-columns: 2fr 1fr;
    }
}

.cta-text p {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--space-6);
    opacity: 0.95;
}

.highlight {
    color: var(--tl-orange);
    font-weight: 700;
}

.cta-features {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3);
}

@media (min-width: 480px) {
    .cta-features {
        grid-template-columns: 1fr 1fr;
    }
}

.cta-features li {
    font-size: 0.875rem;
    opacity: 0.9;
}

.cta-chart {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.chart-title {
    font-weight: 600;
    margin-bottom: var(--space-4);
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-white);
}

.chart-bars {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.chart-bar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.bar-label {
    min-width: 100px;
    font-size: 0.75rem;
    opacity: 0.8;
}

.bar-track {
    flex: 1;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.bar-fill {
    height: 100%;
    border-radius: var(--radius-full);
    animation: growBar 2s ease 1s both;
}

.bar-fill.traditional {
    background: var(--color-gray-400);
    --bar-width: 66%;
}

.bar-fill.tracklution {
    background: var(--tl-orange);
    --bar-width: 100%;
}

.bar-value {
    min-width: 40px;
    font-weight: 600;
    text-align: right;
    font-size: 0.75rem;
}

.cta-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    position: relative;
    z-index: 2;
}

@media (max-width: 640px) {
    .cta-actions {
        flex-direction: column;
    }
}

.btn-cta-primary, .btn-cta-secondary {
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
}

.btn-cta-primary {
    background: var(--tl-orange);
    color: var(--color-white);
    border: 2px solid var(--tl-orange);
}

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

.btn-cta-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-1px);
}

/* Info Section */
.info-section {
    margin: var(--space-12) 0;
}

.info-toggle {
    width: 100%;
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-6);
    font-size: 1rem;
    font-weight: 600;
    color: var(--tl-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-normal);
}

.info-toggle:hover {
    border-color: var(--tl-orange);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.toggle-icon {
    font-size: 1.25rem;
    color: var(--tl-orange);
    transition: transform var(--transition-normal);
}

.info-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.info-content.open {
    max-height: 800px;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-top: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

@media (min-width: 768px) {
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .info-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.info-item {
    padding: var(--space-4);
    border-left: 4px solid var(--tl-orange);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    transition: transform var(--transition-normal);
}

.info-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.info-item strong {
    color: var(--tl-orange);
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.875rem;
    display: block;
    margin-bottom: var(--space-2);
}

.info-item p {
    color: var(--color-gray-700);
    font-size: 0.875rem;
    line-height: 1.5;
    margin: 0;
}

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

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

@keyframes growBar {
    from {
        width: 0;
    }
    to {
        width: var(--bar-width, 100%);
    }
}

/* Mobile Responsive Adjustments */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-3);
    }
    
    .main-header {
        padding: var(--space-8) 0 var(--space-6);
    }
    
    .learn-more-btn {
        font-size: 0.85rem;
        padding: var(--space-2) var(--space-5);
    }
    
    .main-header h1 {
        font-size: 1.75rem;
    }
    
    .step-header h2 {
        font-size: 1.5rem;
    }
    
    .form-card, .result-card, .tracklution-cta {
        padding: var(--space-6);
    }
    
    .preset-grid {
        gap: var(--space-3);
    }
    
    .preset-card {
        min-height: 160px;
        padding: var(--space-4);
    }
    
    .progress-container {
        padding: var(--space-3) var(--space-3) var(--space-4);
    }
    
    .step-number {
        width: 36px;
        height: 36px;
    }
}