/* ===== CSS Variables ===== */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #0f172a;
    --accent: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-50);
    color: var(--gray-900);
    border-color: var(--gray-400);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-block {
    width: 100%;
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
}

.logo-icon {
    font-size: 24px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--gray-600);
    font-weight: 500;
    font-size: 15px;
}

.nav-links a:hover {
    color: var(--gray-900);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: all 0.3s;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 24px;
    flex-direction: column;
    gap: 16px;
    border-bottom: 1px solid var(--gray-200);
    z-index: 99;
}

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

/* ===== Hero Section ===== */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--primary);
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray-600);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.hero-trust {
    font-size: 14px;
    color: var(--gray-500);
}

.hero-trust .divider {
    margin: 0 12px;
}

/* Report Preview */
.hero-visual {
    display: flex;
    justify-content: center;
}

.report-preview {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 24px;
    max-width: 420px;
    border: 1px solid var(--gray-200);
}

.report-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gray-200);
}

.report-title {
    font-weight: 700;
    color: var(--gray-900);
}

.report-date {
    font-size: 14px;
    color: var(--gray-500);
}

.report-summary {
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 20px;
    display: flex;
    gap: 12px;
}

.summary-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.report-summary p {
    font-size: 14px;
    color: var(--gray-700);
    font-style: italic;
}

.report-metrics {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.metric {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--gray-50);
    border-radius: var(--radius);
}

.metric.warning {
    background: #fef3c7;
}

.metric-label {
    font-size: 13px;
    color: var(--gray-500);
    text-align: left;
}

.metric-value {
    font-weight: 700;
    font-size: 16px;
    color: var(--gray-900);
    text-align: left;
}

.metric-change {
    font-size: 13px;
    font-weight: 600;
    text-align: right;
    white-space: nowrap;
}

.metric-change.positive {
    color: var(--accent);
}

.metric-change.negative {
    color: var(--danger);
}

.report-actions {
    background: var(--secondary);
    border-radius: var(--radius);
    padding: 16px;
    color: var(--white);
}

.action-title {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
    opacity: 0.8;
}

.action-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 13px;
    margin-bottom: 8px;
}

.action-item:last-child {
    margin-bottom: 0;
}

.action-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
}

/* ===== Section Styles ===== */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 40px;
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-600);
    text-align: center;
    margin-bottom: 48px;
}

/* ===== Problem Section ===== */
.problem {
    background: var(--white);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.problem-card {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--gray-200);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.problem-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.problem-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.problem-card p {
    color: var(--gray-600);
    font-size: 15px;
}

/* ===== Solution Section ===== */
.solution {
    background: var(--gray-50);
}

.solution-header {
    text-align: center;
    margin-bottom: 48px;
}

.solution-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
}

.comparison-card {
    flex: 1;
    max-width: 400px;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.comparison-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-500);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.comparison-content {
    min-height: 180px;
}

.comparison-card.before .comparison-content {
    background: var(--gray-100);
    padding: 16px;
    border-radius: var(--radius);
}

.comparison-card.before code {
    font-family: 'Monaco', monospace;
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.8;
}

.comparison-card.after .comparison-content {
    font-size: 15px;
}

.comparison-card.after .comparison-content p {
    margin-bottom: 12px;
}

.comparison-reaction {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
    font-weight: 600;
    text-align: center;
}

.comparison-arrow {
    font-size: 32px;
    color: var(--primary);
    flex-shrink: 0;
}

/* ===== How It Works ===== */
.how-it-works {
    background: var(--white);
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.step {
    text-align: center;
    position: relative;
    padding-top: 56px;
}

.step-number {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

.step-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.step h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.step p {
    color: var(--gray-600);
    font-size: 15px;
}

/* ===== Features Section ===== */
.features {
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--gray-200);
    transition: all 0.2s;
}

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

.feature-icon {
    font-size: 40px;
    margin-bottom: 16px;
    display: block;
}

.feature-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--gray-600);
    font-size: 15px;
}

.feature-card.featured {
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 100%);
    border: none;
    color: white;
}

.feature-card.featured h3 {
    color: white;
}

.feature-card.featured p {
    color: rgba(255, 255, 255, 0.9);
}

/* ===== Pricing Section ===== */
.pricing {
    background: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.pricing-grid.pricing-single {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-note {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 12px;
    text-align: center;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 32px;
    border: 2px solid var(--gray-200);
    position: relative;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.pricing-card.featured {
    border-color: var(--primary);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 4px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
}

.pricing-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.pricing-price {
    margin-bottom: 24px;
}

.pricing-price .currency {
    font-size: 18px;
    color: var(--gray-500);
    vertical-align: top;
}

.pricing-price .amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--gray-900);
}

.pricing-price .period {
    font-size: 16px;
    color: var(--gray-500);
}

.pricing-features {
    list-style: none;
    margin-bottom: 24px;
}

.pricing-features li {
    padding: 8px 0;
    font-size: 15px;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 12px;
}

.pricing-features .check {
    color: var(--accent);
    font-weight: bold;
}

.pricing-features .dash {
    color: var(--gray-400);
    font-weight: bold;
}

.pricing-desc {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 24px;
}

/* Pricing Add-on */
.pricing-addon {
    margin-top: 48px;
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    padding: 32px;
    border: 2px solid var(--gray-200);
}

.addon-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.addon-text h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.addon-text p {
    font-size: 14px;
    color: var(--gray-600);
}

.addon-cta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.addon-price {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
}

@media (max-width: 768px) {
    .addon-content {
        flex-direction: column;
        text-align: center;
    }

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

/* ===== About Section ===== */
.about {
    background: var(--gray-50);
}

.about-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
    align-items: center;
}

.about-placeholder {
    width: 250px;
    height: 300px;
    background: var(--gray-200);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
    font-size: 14px;
}

.about-placeholder.about-icon {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
    border-radius: 50%;
    color: white;
}

.about-text h2 {
    font-size: 32px;
    margin-bottom: 16px;
}

.about-intro {
    font-size: 20px;
    margin-bottom: 16px;
}

.about-text p {
    margin-bottom: 16px;
    color: var(--gray-600);
}

.about-credentials {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.credential {
    padding: 8px 16px;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
}

/* ===== FAQ Section ===== */
.faq {
    background: var(--white);
}

.faq-list {
    max-width: 700px;
    margin: 48px auto 0;
}

.faq-item {
    border-bottom: 1px solid var(--gray-200);
}

.faq-question {
    width: 100%;
    padding: 20px 0;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 17px;
    font-weight: 600;
    color: var(--gray-900);
}

.faq-icon {
    font-size: 24px;
    color: var(--primary);
    transition: transform 0.3s;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding-bottom: 20px;
    color: var(--gray-600);
}

/* ===== Waitlist Section ===== */
.waitlist {
    background: var(--secondary);
    color: var(--white);
    text-align: center;
}

.waitlist h2 {
    color: var(--white);
    font-size: 36px;
    margin-bottom: 16px;
}

.waitlist > .container > p {
    color: var(--gray-400);
    font-size: 18px;
    margin-bottom: 32px;
}

.waitlist-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr auto;
    gap: 12px;
}

.form-group input,
.form-group select {
    padding: 14px 16px;
    font-size: 16px;
    border: 1px solid var(--gray-700);
    border-radius: var(--radius);
    background: var(--gray-800);
    color: var(--white);
}

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

.form-group select {
    color: var(--gray-400);
}

.waitlist-note {
    margin-top: 16px;
    font-size: 14px;
    color: var(--gray-500);
}

/* ===== Footer ===== */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 60px 0 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo-icon {
    font-size: 32px;
}

.footer-brand .logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
}

.footer-brand p {
    margin-top: 12px;
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-column h4 {
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-column a {
    display: block;
    color: var(--gray-400);
    font-size: 14px;
    margin-bottom: 8px;
}

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

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--gray-800);
    text-align: center;
    font-size: 14px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero h1 {
        font-size: 44px;
    }

    .hero-subtitle {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .report-preview {
        max-width: 100%;
    }

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

    .solution-comparison {
        flex-direction: column;
    }

    .comparison-arrow {
        transform: rotate(90deg);
    }

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

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

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .pricing-card.featured {
        transform: none;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-image {
        display: flex;
        justify-content: center;
    }

    .about-credentials {
        justify-content: center;
    }
}

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

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .section-title {
        font-size: 32px;
    }

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

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

    .form-group {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links {
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .hero-trust {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    .hero-trust .divider {
        display: none;
    }

    .metric {
        grid-template-columns: 32px 1fr;
    }

    .metric-label,
    .metric-value,
    .metric-change {
        grid-column: 2;
    }
}