:root {
    --bg: #f0f5ff;
    --bg-gradient-a: #fafcff;
    --bg-gradient-b: #e8f0ff;
    --surface: #ffffffdd;
    --surface-solid: #ffffff;
    --surface-soft: #f5f9ff;
    --text: #0a1628;
    --muted: #5a7896;
    --border: #d0dce8;
    --accent: #0856d6;
    --accent-strong: #0645a8;
    --accent-soft: #7aa9ff;
    --accent-glow: rgba(8, 86, 214, 0.25);
    --good: #0f7938;
    --warn: #9d5e00;
    --risk: #9b1f34;
    --shadow: 0 20px 48px rgba(10, 22, 40, 0.08);
    --shadow-lg: 0 28px 64px rgba(10, 22, 40, 0.12);
    --hero-shadow: 0 32px 72px rgba(8, 86, 214, 0.15);
}

:root[data-theme="dark"] {
    --bg: #070f1e;
    --bg-gradient-a: #0c1625;
    --bg-gradient-b: #050a15;
    --surface: #12202bdd;
    --surface-solid: #12202b;
    --surface-soft: #172d41;
    --text: #f0f6ff;
    --muted: #95adc8;
    --border: #2a4363;
    --accent: #5ba3ff;
    --accent-strong: #3f8ce8;
    --accent-soft: #90c5ff;
    --accent-glow: rgba(91, 163, 255, 0.28);
    --good: #4fd694;
    --warn: #f0ad4e;
    --risk: #ff7b91;
    --shadow: 0 24px 56px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 32px 72px rgba(0, 0, 0, 0.45);
    --hero-shadow: 0 34px 80px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Manrope", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 15% -5%, var(--accent-glow), transparent 38%),
        radial-gradient(circle at 90% 12%, rgba(91, 163, 255, 0.12), transparent 32%),
        radial-gradient(circle at -10% 90%, rgba(8, 86, 214, 0.08), transparent 40%),
        linear-gradient(180deg, var(--bg-gradient-a) 0%, var(--bg-gradient-b) 100%);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: color-mix(in srgb, var(--surface) 95%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    animation: slideDown 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.9rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 800;
    font-size: 1.1rem;
}

.nav-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.nav-title {
    letter-spacing: -0.01em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
}

.nav-link {
    color: var(--text);
    text-decoration: none;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 200ms ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 200ms ease;
}

.nav-link:hover {
    background: color-mix(in srgb, var(--accent) 10%, var(--surface-soft));
    color: var(--accent);
}

.nav-link:hover::after {
    transform: scaleX(1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.35rem;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2.5px;
    background: var(--text);
    border-radius: 2px;
    transition: all 300ms ease;
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--surface-solid);
        border-bottom: 1px solid var(--border);
        border-top: 1px solid var(--border);
        padding: 1rem 2rem;
        gap: 0.5rem;
    }
}

/* Page Wrapper */
.page-wrapper {
    margin-top: 70px;
}

/* Sections */
.landing-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.section-badge {
    display: inline-block;
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--border));
    color: var(--accent-strong);
    padding: 0.5rem 1.2rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    animation: slideInUp 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    line-height: 1.1;
    animation: slideInUp 600ms cubic-bezier(0.34, 1.56, 0.64, 1) 100ms both;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--muted);
    margin-bottom: 3rem;
    max-width: 600px;
    font-weight: 500;
    animation: slideInUp 600ms cubic-bezier(0.34, 1.56, 0.64, 1) 200ms both;
}

/* Hero Section */
.section-1 {
    background:
        radial-gradient(circle at 100% 50%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 50%),
        linear-gradient(135deg, var(--bg-gradient-a), var(--bg-gradient-b));
}

.section-1 .section-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    animation: slideInUp 800ms cubic-bezier(0.34, 1.56, 0.64, 1) 150ms both;
}

.hero-title {
    font-size: clamp(2.2rem, 6vw, 3.8rem);
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 2rem;
    font-weight: 500;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.metric {
    text-align: center;
}

.metric strong {
    display: block;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--accent);
    margin-bottom: 0.3rem;
}

.metric span {
    color: var(--muted);
    font-size: 0.9rem;
}

.hero-visual {
    animation: slideInUp 800ms cubic-bezier(0.34, 1.56, 0.64, 1) 300ms both;
}

.hero-mascot {
    width: 100%;
    max-width: 500px;
    filter: drop-shadow(0 20px 40px rgba(8, 86, 214, 0.2));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.8rem;
    border-radius: 12px;
    border: none;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
    text-decoration: none;
    font-family: "Space Mono", monospace;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #fff;
    box-shadow: 0 8px 20px color-mix(in srgb, var(--accent) 35%, transparent);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 32px color-mix(in srgb, var(--accent) 50%, transparent);
}

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

.btn-secondary:hover {
    background: color-mix(in srgb, var(--accent) 10%, var(--surface-soft));
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2.2rem;
    font-size: 1rem;
}

.btn-xl {
    padding: 1.2rem 3rem;
    font-size: 1.1rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
    background: color-mix(in srgb, var(--accent) 5%, var(--surface));
}

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

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 0.8rem;
    letter-spacing: -0.01em;
}

.feature-card p {
    color: var(--muted);
    line-height: 1.6;
    font-weight: 500;
}

/* Scoring System */
.section-3 {
    background: linear-gradient(135deg, var(--bg-gradient-a), var(--bg-gradient-b));
}

.scoring-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.scoring-visual {
    display: flex;
    justify-content: center;
    animation: slideInUp 800ms cubic-bezier(0.34, 1.56, 0.64, 1) 200ms both;
}

.score-demo {
    text-align: center;
}

.score-ring-demo {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: conic-gradient(var(--accent) var(--score), var(--border) 0);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: var(--hero-shadow);
    animation: countUp 1.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.score-ring-demo::before {
    content: '';
    position: absolute;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: var(--surface);
}

.score-ring-demo span {
    position: relative;
    font-size: 3rem;
    font-weight: 900;
    color: var(--accent);
}

.score-demo p {
    font-size: 1.1rem;
    color: var(--muted);
    font-weight: 600;
}

@keyframes countUp {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.scoring-details {
    display: grid;
    gap: 1.5rem;
}

.scoring-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.2rem;
    transition: all 200ms ease;
}

.scoring-item:hover {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 3%, var(--surface));
}

.scoring-label {
    display: block;
    font-weight: 700;
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
}

.progress-bar {
    height: 8px;
    background: color-mix(in srgb, var(--accent) 12%, var(--border));
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-strong));
    border-radius: 999px;
    animation: fillWidth 1s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes fillWidth {
    from { width: 0 !important; }
}

.progress-value {
    font-size: 0.8rem;
    color: var(--muted);
    font-weight: 600;
}

/* Insights */
.insights-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.insight-box {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 300ms ease;
}

.insight-box:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
}

.insight-box h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 800;
}

.insight-box ul {
    list-style: none;
}

.insight-box li {
    padding: 0.6rem 0;
    color: var(--muted);
    font-weight: 500;
    border-bottom: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
}

.insight-box li:last-child {
    border-bottom: none;
}

/* Timeline */
.roadmap-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.timeline-item {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    position: relative;
    transition: all 300ms ease;
}

.timeline-item:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.timeline-number {
    position: absolute;
    top: -15px;
    left: 2rem;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
}

.timeline-item h4 {
    margin-top: 1rem;
    margin-bottom: 0.8rem;
    font-weight: 800;
}

.timeline-item p {
    color: var(--muted);
    line-height: 1.6;
    font-weight: 500;
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.benefit-item {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    transition: all 300ms ease;
    position: relative;
}

.benefit-item:hover {
    border-color: var(--accent);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.benefit-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #fff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.5rem;
    margin: 0 auto 1.5rem;
}

.benefit-item h4 {
    margin-bottom: 0.8rem;
    font-weight: 800;
    font-size: 1.15rem;
}

.benefit-item p {
    color: var(--muted);
    line-height: 1.6;
    font-weight: 500;
}

/* Analytics */
.analytics-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.analytics-card {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    transition: all 300ms ease;
}

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

.analytics-card h4 {
    margin-bottom: 0.8rem;
    font-weight: 800;
}

.analytics-card p {
    color: var(--muted);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.chart-placeholder {
    font-size: 3rem;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--accent) 5%, var(--surface-soft));
    border-radius: 12px;
}

/* Reports */
.report-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.report-item {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    transition: all 300ms ease;
}

.report-item:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.report-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.report-item h4 {
    margin-bottom: 0.8rem;
    font-weight: 800;
}

.report-item p {
    color: var(--muted);
    line-height: 1.6;
    font-weight: 500;
}

/* Security */
.security-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.security-item {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 300ms ease;
}

.security-item:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

.security-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 1rem;
}

.security-item h4 {
    font-weight: 800;
    margin-bottom: 0.6rem;
}

.security-item p {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.6;
    font-weight: 500;
}

/* CTA Section */
.section-10 {
    background: linear-gradient(135deg, 
        color-mix(in srgb, var(--accent) 15%, var(--bg-gradient-a)),
        color-mix(in srgb, var(--accent) 5%, var(--bg-gradient-b))
    );
}

.cta-container {
    text-align: center;
    padding: 4rem 2rem;
}

.cta-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    animation: slideInUp 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.cta-subtitle {
    font-size: 1.3rem;
    color: var(--muted);
    margin-bottom: 2.5rem;
    font-weight: 500;
    animation: slideInUp 600ms cubic-bezier(0.34, 1.56, 0.64, 1) 100ms both;
}

.cta-footer {
    margin-top: 2rem;
    color: var(--muted);
    font-size: 0.95rem;
    font-weight: 600;
    animation: slideInUp 600ms cubic-bezier(0.34, 1.56, 0.64, 1) 200ms both;
}

/* Footer */
.footer {
    background: var(--surface-soft);
    border-top: 1px solid var(--border);
    padding: 3rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4,
.footer-section h5 {
    font-weight: 800;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-section p {
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 1rem;
    font-weight: 500;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 600;
    transition: color 200ms ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.9rem;
}

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

.fade-in {
    opacity: 0;
    animation: slideInUp 600ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    animation-delay: var(--delay, 0s);
}

/* Responsive */
@media (max-width: 1024px) {
    .section-1 .section-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .scoring-content {
        grid-template-columns: 1fr;
    }

    .hero-metrics {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none !important;
    }

    .landing-section {
        padding: 3rem 1.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

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

    .btn-lg {
        width: 100%;
    }

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

    .hero-mascot {
        max-width: 300px;
    }

    .hero-metrics {
        grid-template-columns: 1fr;
    }

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

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}