/* ===================================
   CSS Custom Properties
   =================================== */
:root {
    /* WeekThink Colors */
    --bg-primary: #1D1D1D;
    --bg-secondary: #252327;
    --bg-card: rgba(37, 35, 39, 0.6);

    --accent-primary: #1DB954;
    /* WeekThink Green */
    --accent-glow: #8b5cf6;
    /* Purple from glow vignette */

    /* Gradients */
    --accent-gradient: linear-gradient(135deg, #1DB954, #1ed760);
    --glow-gradient: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.15), rgba(29, 185, 84, 0.05) 50%, transparent 80%);

    --success: #1DB954;
    --warning: #f59e0b;
    --error: #ef4444;

    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Outfit', sans-serif;
    /* WeekThink uses Outfit for body too */
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --container-width: 1280px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Effects */
    --glass-bg: rgba(29, 29, 29, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(29, 185, 84, 0.2);

    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --radius-full: 9999px;
    --radius-card: 24px;
}

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

button {
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    cursor: pointer;
    outline: inherit;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===================================
   Background Elements
   =================================== */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.15), transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(29, 185, 84, 0.1), transparent 40%);
    z-index: 0;
    pointer-events: none;
}

.bg-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(2px 2px at 20% 30%, rgba(255, 255, 255, 0.15), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(255, 255, 255, 0.1), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(255, 255, 255, 0.1), transparent),
        radial-gradient(1px 1px at 80% 10%, rgba(255, 255, 255, 0.15), transparent);
    background-size: 200% 200%;
    background-position: 0% 0%;
    animation: particles 20s ease infinite;
    z-index: 0;
    pointer-events: none;
}

@keyframes particles {

    0%,
    100% {
        background-position: 0% 0%;
    }

    50% {
        background-position: 100% 100%;
    }
}

/* ===================================
   Container
   =================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

/* ===================================
   Section Management
   =================================== */
section {
    min-height: 100vh;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) 0;
    opacity: 0;
    transition: opacity 0.5s ease;
}

section.active {
    display: flex;
    opacity: 1;
}

/* ===================================
   Landing Section
   =================================== */
/* Header */
.site-header {
    padding: var(--spacing-md) 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10;
}

.brand-logo {
    height: 40px;
    width: auto;
}

.section-landing {
    text-align: center;
    padding-top: var(--spacing-2xl);
    /* Add space for header */
}

.badge-pill {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(29, 185, 84, 0.1);
    border: 1px solid rgba(29, 185, 84, 0.3);
    border-radius: 999px;
    color: var(--accent-primary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
    animation: fadeInUp 0.8s ease backwards;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    /* Solid white title per WeekThink style */
    text-shadow: 0 0 40px rgba(29, 185, 84, 0.1);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease 0.2s backwards;
    font-weight: 400;
}

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

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

/* Trust Indicators Grid */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.trust-item:hover {
    background: rgba(29, 185, 84, 0.1);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.trust-icon {
    width: 20px;
    height: 20px;
    color: var(--accent-primary);
    flex-shrink: 0;
}

/* Audit Form */
.audit-form {
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.input-wrapper {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 700px;
    margin: 0 auto var(--spacing-sm);
    padding: 8px;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
}

.url-input {
    flex: 1;
    padding: var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
}

.url-input::placeholder {
    color: var(--text-muted);
}

.btn-primary {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--accent-primary);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-glow);
    white-space: nowrap;
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: #1ed760;
    /* Slightly lighter green on hover */
    box-shadow: 0 0 30px rgba(29, 185, 84, 0.4);
}

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

.btn-icon {
    width: 20px;
    height: 20px;
}

.btn-primary svg {
    width: 20px;
    height: 20px;
}

.form-note {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ===================================
   Progress Section
   =================================== */
.section-progress {
    text-align: center;
}

.progress-content {
    max-width: 600px;
    margin: 0 auto;
}

.scanning-animation {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.scan-circle {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-primary);
    animation: pulse 1.5s ease-in-out infinite;
}

/* ... skipped ... */

.progress-bar {
    height: 100%;
    width: 0%;
    background: var(--accent-primary);
    border-radius: 999px;
    transition: width 0.3s ease;
    box-shadow: 0 0 20px rgba(29, 185, 84, 0.5);
}

/* ... skipped ... */

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.btn-back svg {
    width: 18px;
    height: 18px;
}

.btn-back:hover {
    background: var(--bg-card);
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

/* ... skipped ... */

.results-url span {
    color: var(--accent-primary);
    font-family: var(--font-mono);
    font-size: 1rem;
}

.progress-url {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-family: var(--font-mono);
    word-break: break-all;
}

/* ===================================
   Email Gate Section
   =================================== */
.section-email-gate {
    text-align: center;
}

.gate-content {
    max-width: 500px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.5s ease;
}

.gate-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    background: rgba(29, 185, 84, 0.1);
    color: var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gate-icon svg {
    width: 32px;
    height: 32px;
}

.gate-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.gate-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.lead-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: left;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-left: 4px;
}

.form-input {
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(0, 0, 0, 0.3);
}

.btn-primary.full-width {
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-xs);
}

.privacy-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: var(--spacing-xs);
}

.privacy-note svg {
    width: 12px;
    height: 12px;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.results-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, #7c4dff, #bc00ff);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 0 20px rgba(124, 77, 255, 0.3);
}

.btn-download:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #8b5cf6, #d946ef);
    box-shadow: 0 0 30px rgba(124, 77, 255, 0.5);
}

.btn-download svg {
    width: 18px;
    height: 18px;
}

/* Score Card */
.score-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.score-circle-container {
    position: relative;
    width: 200px;
    height: 200px;
    flex-shrink: 0;
}

.score-circle {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.score-bg {
    fill: none;
    stroke: var(--bg-secondary);
    stroke-width: 12;
}

.score-progress {
    fill: none;
    stroke: url(#scoreGradient);
    stroke-width: 12;
    stroke-linecap: round;
    stroke-dasharray: 534;
    stroke-dashoffset: 534;
    transition: stroke-dashoffset 1s ease;
}

.score-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.score-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.score-grade {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: -0.5rem;
}

.score-info h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
}

.score-info p {
    color: var(--text-secondary);
}

/* Analysis Grid */
.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.analysis-card {
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.analysis-card:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    flex-shrink: 0;
}

.card-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.card-header h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    margin-bottom: 4px;
}

.card-score {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.ads-card {
    border: 1px solid rgba(124, 77, 255, 0.2);
}

.ads-card:hover {
    border-color: #7c4dff;
    box-shadow: 0 0 30px rgba(124, 77, 255, 0.2);
}

.ads-card .card-score {
    color: #7c4dff;
}

.card-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    font-size: 0.875rem;
}

.detail-icon {
    width: 16px;
    height: 16px;
    margin-top: 2px;
    flex-shrink: 0;
}

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

.detail-icon.warning {
    color: var(--warning);
}

.detail-icon.error {
    color: var(--error);
}

.detail-text {
    color: var(--text-secondary);
    line-height: 1.5;
}

.detail-text strong {
    color: var(--text-primary);
}

/* Recommendations */
.recommendations-section {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

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

.recommendation-item {
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    border-left: 4px solid;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.recommendation-item.high {
    border-color: var(--error);
}

.recommendation-item.medium {
    border-color: var(--warning);
}

.recommendation-item.low {
    border-color: var(--success);
}

.recommendation-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.recommendation-priority {
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.recommendation-priority.high {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.recommendation-priority.medium {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.recommendation-priority.low {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.recommendation-title {
    font-weight: 600;
    font-size: 1.125rem;
}

.recommendation-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-xl);
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    text-align: center;
}

.cta-content h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--accent-gradient);
    border: none;
    border-radius: 12px;
    color: white;
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-glow);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.6);
}

.btn-cta svg {
    width: 20px;
    height: 20px;
}

/* ===================================
   SVG Gradients
   =================================== */
body::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
}

svg defs {
    position: absolute;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .input-wrapper {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

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

    .score-card {
        flex-direction: column;
        text-align: center;
    }

    .analysis-grid {
        grid-template-columns: 1fr;
    }

    .results-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
    }

    .trust-grid {
        grid-template-columns: 1fr;
    }

    .score-circle-container {
        width: 160px;
        height: 160px;
    }

    .score-number {
        font-size: 2.5rem;
    }
}

/* Heat Map Visualization */
.heatmap-section {
    margin-bottom: var(--spacing-xl);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: -10px;
}

.heatmap-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    height: 500px;
    margin: 0 auto;
    background: #1a1a1a;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

/* Wireframe Background */
.wireframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 20px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1;
    opacity: 0.3;
}

.wf-nav {
    width: 100%;
    height: 40px;
    background: #333;
    border-radius: 4px;
}

.wf-hero {
    height: 200px;
    background: #2a2a2a;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.wf-text {
    width: 60%;
    height: 10px;
    background: #444;
    border-radius: 2px;
}

.wf-btn {
    width: 100px;
    height: 30px;
    background: #444;
    border-radius: 4px;
}

.wf-grid {
    display: flex;
    gap: 15px;
    height: 150px;
}

.wf-card {
    flex: 1;
    background: #252525;
    border-radius: 4px;
}

/* Heat Map Overlay */
.heatmap-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.heat-point {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 0, 0, 0.5) 0%, rgba(255, 165, 0, 0.4) 40%, rgba(0, 0, 0, 0) 70%);
    transform: translate(-50%, -50%);
    /* Center the point */
    pointer-events: none;
    opacity: 0;
    animation: fadeHeat 2s ease forwards;
}

@keyframes fadeHeat {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }

    100% {
        opacity: 0.7;
        transform: translate(-50%, -50%) scale(1.5);
    }
}

/* Legend */
.heatmap-legend {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.6);
    padding: 8px 12px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 3;
    backdrop-filter: blur(5px);
}

.heatmap-legend span {
    font-size: 0.75rem;
    color: #ccc;
}

.color-scale {
    width: 100px;
    height: 8px;
    background: linear-gradient(to right, green, yellow, orange, red);
    border-radius: 4px;
}