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

:root {
    --color-bg: #0c1220;
    --color-bg-subtle: #101828;
    --color-bg-card: #182035;
    --color-border: #2a3a5c;
    --color-text: #f4f6fb;
    --color-text-muted: #9ca8c4;
    --color-blue: #5b8def;
    --color-blue-soft: #7ba3f7;
    --color-lavender: #b8a9e8;
    --color-lavender-soft: #d4c9f5;
    --color-glow: rgba(91, 141, 239, 0.15);
    --color-glow-lavender: rgba(184, 169, 232, 0.12);
    --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius: 12px;
    --radius-lg: 20px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 16px;
}

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

h1, h2, h3 {
    font-family: var(--font-serif);
    line-height: 1.3;
    font-weight: 500;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 400;
}

h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-lavender) 100%);
    color: white;
    box-shadow: 0 4px 20px var(--color-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-blue-soft) 0%, var(--color-lavender-soft) 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--color-glow);
}

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

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

.btn-large {
    padding: 18px 36px;
    font-size: 1.125rem;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(12, 18, 32, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(91, 141, 239, 0.1);
}

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

.nav-logo {
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--color-text);
}

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

.nav-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

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

/* Hero */
.hero {
    padding: 180px 0 120px;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: var(--color-bg);
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse, var(--color-glow) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: -100px;
    left: 30%;
    transform: translateX(-50%);
    width: 500px;
    height: 400px;
    background: radial-gradient(ellipse, var(--color-glow-lavender) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-eyebrow {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-lavender);
    margin-bottom: 1.25rem;
    font-weight: 500;
}

.hero h1 {
    margin-bottom: 1.75rem;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-blue-soft) 50%, var(--color-lavender-soft) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--color-text-muted);
    max-width: 540px;
    margin: 0 auto 1.25rem;
    line-height: 1.8;
}

.hero-subtitle-secondary {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    color: var(--color-lavender);
    font-style: italic;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

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

/* Problem Section */
.problem {
    padding: 80px 0;
    background: var(--color-bg);
}

.problem-content {
    max-width: 620px;
    margin: 0 auto;
    text-align: center;
}

.problem p {
    font-family: var(--font-serif);
    color: var(--color-text-muted);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.problem .emphasis {
    color: var(--color-text);
    font-style: italic;
    font-size: 1.25rem;
}

/* What Section */
.what {
    padding: 120px 0;
    background: var(--color-bg-subtle);
    position: relative;
}

.what::before {
    content: '';
    position: absolute;
    top: 50%;
    right: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(ellipse, var(--color-glow-lavender) 0%, transparent 70%);
    pointer-events: none;
}

.what h2 {
    text-align: center;
    margin-bottom: 3.5rem;
    color: var(--color-text);
}

.what-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.what-card {
    background: linear-gradient(145deg, var(--color-bg-card) 0%, rgba(24, 32, 53, 0.6) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: all 0.3s ease;
}

.what-card:hover {
    border-color: var(--color-blue);
    box-shadow: 0 8px 32px var(--color-glow);
    transform: translateY(-4px);
}

.what-card h3 {
    color: var(--color-blue-soft);
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.what-card p {
    font-family: var(--font-serif);
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.75;
}

/* How It Works */
.how {
    padding: 120px 0;
    background: var(--color-bg);
    position: relative;
}

.how::before {
    content: '';
    position: absolute;
    top: 30%;
    left: -150px;
    width: 400px;
    height: 400px;
    background: radial-gradient(ellipse, var(--color-glow) 0%, transparent 70%);
    pointer-events: none;
}

.how h2 {
    text-align: center;
    margin-bottom: 3.5rem;
}

.steps {
    max-width: 550px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 36px;
    position: relative;
    z-index: 1;
}

.step {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.step-num {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-lavender) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 16px var(--color-glow);
}

.step h3 {
    margin-bottom: 6px;
    color: var(--color-text);
}

.step p {
    font-family: var(--font-serif);
    color: var(--color-text-muted);
    line-height: 1.7;
}

.how-note {
    text-align: center;
    margin-top: 3.5rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-style: italic;
}

/* Pricing */
.pricing {
    padding: 120px 0;
    background: var(--color-bg-subtle);
    position: relative;
    overflow: hidden;
}

.pricing::before {
    content: '';
    position: absolute;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, var(--color-glow) 0%, transparent 70%);
    pointer-events: none;
}

.pricing h2 {
    text-align: center;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 1;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.pricing-card {
    background: linear-gradient(160deg, var(--color-bg-card) 0%, rgba(24, 32, 53, 0.7) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.pricing-card.featured {
    border-color: var(--color-blue);
    box-shadow: 0 0 40px var(--color-glow);
}

.pricing-badge {
    display: inline-block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-lavender);
    margin-bottom: 20px;
    font-weight: 500;
}

.pricing-amount {
    margin-bottom: 12px;
}

.pricing-amount .currency {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    vertical-align: top;
}

.pricing-amount .price {
    font-size: 3.5rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-blue-soft) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-amount .period {
    font-size: 1rem;
    color: var(--color-text-muted);
}

.pricing-description {
    font-family: var(--font-serif);
    color: var(--color-text-muted);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 28px;
    flex-grow: 1;
}

.pricing-card li {
    padding: 10px 0;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    position: relative;
    padding-left: 24px;
    border-bottom: 1px solid rgba(42, 58, 92, 0.5);
}

.pricing-card li:last-child {
    border-bottom: none;
}

.pricing-card li::before {
    content: "✦";
    position: absolute;
    left: 0;
    color: var(--color-lavender);
    font-size: 0.7rem;
}

.pricing-card .btn {
    width: 100%;
}

/* Trust */
.trust {
    padding: 120px 0;
    background: var(--color-bg);
}

.trust h2 {
    text-align: center;
    margin-bottom: 3.5rem;
}

.trust-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 900px;
    margin: 0 auto 4rem;
}

.trust-point {
    text-align: center;
}

.trust-point h3 {
    margin-bottom: 12px;
    color: var(--color-lavender);
    font-size: 1.05rem;
}

.trust-point p {
    font-family: var(--font-serif);
    color: var(--color-text-muted);
    line-height: 1.75;
    font-size: 0.95rem;
}

.trust-promise {
    text-align: center;
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--color-blue-soft);
    font-size: 1.2rem;
    max-width: 500px;
    margin: 0 auto;
    border: none;
    padding: 24px 32px;
    background: linear-gradient(135deg, rgba(91, 141, 239, 0.08) 0%, rgba(184, 169, 232, 0.08) 100%);
    border-radius: var(--radius-lg);
}

/* FAQ */
.faq {
    padding: 120px 0;
    background: var(--color-bg-subtle);
}

.faq h2 {
    text-align: center;
    margin-bottom: 3.5rem;
}

.faq-list {
    max-width: 640px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(42, 58, 92, 0.6);
    padding: 24px 0;
}

.faq-item:first-child {
    border-top: 1px solid rgba(42, 58, 92, 0.6);
}

.faq-item summary {
    cursor: pointer;
    font-weight: 500;
    color: var(--color-text);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color 0.2s ease;
}

.faq-item summary:hover {
    color: var(--color-blue-soft);
}

.faq-item summary::after {
    content: "+";
    color: var(--color-lavender);
    font-size: 1.25rem;
    font-weight: 300;
    transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
    content: "−";
    color: var(--color-blue);
}

.faq-item p {
    font-family: var(--font-serif);
    color: var(--color-text-muted);
    margin-top: 16px;
    line-height: 1.8;
    font-size: 0.95rem;
    padding-right: 40px;
}

/* CTA */
.cta {
    padding: 120px 0;
    position: relative;
    overflow: hidden;
    background: var(--color-bg);
    text-align: center;
}

.cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 500px;
    background:
        radial-gradient(ellipse at 40% 50%, var(--color-glow) 0%, transparent 50%),
        radial-gradient(ellipse at 60% 50%, var(--color-glow-lavender) 0%, transparent 50%);
    pointer-events: none;
}

.cta .container {
    position: relative;
    z-index: 1;
}

.cta h2 {
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-lavender-soft) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta p {
    font-family: var(--font-serif);
    color: var(--color-text-muted);
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
    font-style: italic;
    letter-spacing: 0.02em;
}

/* Footer */
.footer {
    padding: 48px 0 32px;
    background: var(--color-bg-subtle);
    border-top: 1px solid var(--color-border);
}

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

.footer-brand span {
    font-weight: 500;
    font-size: 1rem;
    color: var(--color-text);
}

.footer-brand p {
    color: var(--color-text-muted);
    margin-top: 4px;
    font-size: 0.875rem;
}

.footer-brand a {
    color: var(--color-primary);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

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

/* Responsive */
@media (max-width: 900px) {
    .what-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

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

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

    .hero {
        padding: 140px 0 100px;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
        max-width: 360px;
    }

    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}