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

:root {
    --bg-primary: #0f1419;
    --bg-secondary: #1a1f2e;
    --bg-card: #1e2534;
    --bg-card-hover: #252d3f;
    --accent: #3b82f6;
    --accent-dark: #2563eb;
    --accent-light: #60a5fa;
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #2d3748;
    --success: #10b981;
    --warning: #f59e0b;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

html {
    scroll-behavior: smooth;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 20, 25, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 1.25rem;
}

.nav-logo {
    font-size: 1.75rem;
}

.nav-name {
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.nav-cta {
    padding: 0.5rem 1.25rem;
    background: var(--gradient-2);
    border-radius: 6px;
    color: var(--text-primary) !important;
    font-weight: 600;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    text-align: center;
    background: radial-gradient(ellipse at top, rgba(59, 130, 246, 0.1) 0%, transparent 60%);
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 50px;
    color: var(--accent-light);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 2rem;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-copy {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 1.5rem;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 3rem 0;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 3rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-2);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

/* Sections */
.section {
    padding: 6rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.section-content {
    max-width: 800px;
    margin: 0 auto;
}

.section-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.section-note {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 2rem;
}

/* Problem Section */
.problem-section {
    background: var(--bg-secondary);
}

.quote {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--accent-light);
    text-align: center;
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(59, 130, 246, 0.1);
    border-left: 4px solid var(--accent);
    border-radius: 8px;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Steps Grid */
.how-section {
    background: var(--bg-secondary);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    text-align: center;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--gradient-2);
    border-radius: 50%;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.step-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.step-desc {
    color: var(--text-secondary);
}

/* Score Section */
.score-demo {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin: 3rem 0;
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.score-circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--gradient-2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: var(--shadow-xl);
}

.score-value {
    font-size: 4rem;
    font-weight: 700;
}

.score-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.breakdown-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

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

.breakdown-name {
    color: var(--text-secondary);
}

.breakdown-score {
    font-weight: 600;
    color: var(--accent-light);
}

/* Fix Section */
.fix-section {
    background: var(--bg-secondary);
}

.fix-table-wrapper {
    overflow-x: auto;
    margin: 2rem 0;
}

.fix-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
}

.fix-table th,
.fix-table td {
    padding: 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.fix-table th {
    background: rgba(59, 130, 246, 0.1);
    font-weight: 600;
    color: var(--accent-light);
}

.fix-table tbody tr:hover {
    background: var(--bg-card-hover);
}

.fix-table tbody tr:last-child td {
    border-bottom: none;
}

.fix-table td:first-child {
    color: var(--text-secondary);
}

.fix-table td:last-child {
    color: var(--success);
    font-weight: 500;
}

/* Privacy Grid */
.privacy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.privacy-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    text-align: center;
}

.privacy-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.privacy-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.privacy-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Reports Section */
.reports-section {
    background: var(--bg-secondary);
}

.report-formats {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
}

.format-badge {
    padding: 0.75rem 2rem;
    background: var(--gradient-2);
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.125rem;
}

.report-use-cases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.use-case-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.use-case-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--accent-light);
}

.use-case-desc {
    color: var(--text-secondary);
}

/* Schedule Section */
.schedule-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.schedule-item {
    background: var(--bg-card);
    padding: 1.25rem 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    color: var(--text-secondary);
}

/* Audience Section */
.audience-section {
    background: var(--bg-secondary);
}

.audience-split {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.audience-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--accent-light);
}

.audience-list {
    list-style: none;
    color: var(--text-secondary);
}

.audience-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.audience-list li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 600;
}

.audience-text {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Not Section */
.not-split {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.not-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.not-is .not-subtitle {
    color: var(--success);
}

.not-isnot .not-subtitle {
    color: var(--warning);
}

.not-list {
    list-style: none;
    color: var(--text-secondary);
}

.not-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.not-is .not-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 600;
}

.not-isnot .not-list li:before {
    content: "✗";
    position: absolute;
    left: 0;
    color: var(--warning);
    font-weight: 600;
}

/* Signup Section */
.signup-section {
    background: var(--bg-secondary);
}

.signup-form {
    max-width: 500px;
    margin: 3rem auto 0;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-input {
    width: 100%;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.form-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 1rem;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
}

.footer-main {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.footer-tagline {
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-note {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    text-align: center;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.875rem;
    text-align: center;
}

/* Responsive */
@media (max-width: 968px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-ctas {
        flex-direction: column;
    }

    .section-title {
        font-size: 2rem;
    }

    .score-demo {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-main {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        flex-wrap: wrap;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }

    .hero {
        padding: 8rem 0 4rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .section {
        padding: 4rem 0;
    }

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

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