/* ===== DESIGN TOKENS ===== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #0f0f18;
    --bg-card: #14141f;
    --bg-card-hover: #1a1a28;
    --text-primary: #f0f0f5;
    --text-secondary: #a8a8bc;
    --text-muted: #7a7a90;
    --accent: #3b82f6;
    --accent-bright: #60a5fa;
    --accent-glow: rgba(59, 130, 246, 0.25);
    --accent-gradient: linear-gradient(135deg, #3b82f6, #818cf8);
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --radius: 12px;
    --radius-lg: 20px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --max-width: 1100px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a {
    text-decoration: none;
    color: inherit;
}

/* ===== UTILITIES ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-nav {
    padding: 10px 24px;
    background: var(--accent);
    color: #fff;
    font-size: 0.875rem;
    border-radius: 8px;
}

.btn-nav:hover {
    background: var(--accent-bright);
    box-shadow: 0 0 24px var(--accent-glow);
    transform: translateY(-1px);
}

.btn-primary {
    padding: 16px 40px;
    background: var(--accent);
    color: #fff;
    font-size: 1.05rem;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--accent-bright);
    box-shadow: 0 0 40px var(--accent-glow), 0 4px 20px rgba(0, 0, 0, 0.4);
    transform: translateY(-2px);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-lg {
    padding: 18px 48px;
    font-size: 1.1rem;
}

/* ===== CTA GROUP ===== */
.cta-group {
    text-align: center;
}

.cta-sub {
    margin-top: 12px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

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

/* ===== HERO ===== */
.hero {
    padding: 140px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0.4;
}

.hero-badge {
    display: inline-block;
    padding: 6px 18px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-bright);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 100px;
    background: rgba(59, 130, 246, 0.06);
    margin-bottom: 32px;
}

.hero-headline {
    font-size: clamp(2.2rem, 5.5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.hero-sub {
    max-width: 660px;
    margin: 0 auto 36px;
    font-size: 1.45rem;
    line-height: 1.65;
    color: #c8c8d8;
}

/* ===== VSL PLACEHOLDER ===== */
.vsl-wrapper {
    max-width: 800px;
    margin: 0 auto 40px;
}

.vsl-placeholder {
    aspect-ratio: 16/9;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.vsl-chart {
    padding: 24px;
    cursor: default;
}

.chart-svg {
    width: 100%;
    height: 100%;
}

.vsl-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.04), transparent 60%);
}

.vsl-placeholder:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.vsl-play {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 0 40px var(--accent-glow);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.vsl-play svg {
    width: 28px;
    height: 28px;
    margin-left: 3px;
}

.vsl-placeholder:hover .vsl-play {
    transform: scale(1.08);
    box-shadow: 0 0 60px var(--accent-glow);
}

.vsl-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

/* ===== PROCESS SECTION ===== */
.process {
    padding: 56px 0;
    background: var(--bg-secondary);
    position: relative;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-align: center;
    margin-bottom: 44px;
}

.step {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    margin-bottom: 48px;
}

.step:last-of-type {
    margin-bottom: 40px;
}

.step-reverse {
    direction: rtl;
}

.step-reverse>* {
    direction: ltr;
}

.step-number {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
    line-height: 1;
    margin-bottom: 10px;
}

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
}

.step-desc {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--text-secondary);
}

.step-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-card);
    transition: var(--transition);
}

.step-image:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.step-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== FAQ SECTION ===== */
.faq {
    padding: 56px 0;
    background: var(--bg-primary);
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--border-hover);
}

.faq-item[open] {
    border-color: rgba(59, 130, 246, 0.2);
    background: var(--bg-card-hover);
}

.faq-question {
    padding: 22px 28px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    transition: var(--transition);
    color: var(--text-primary);
    user-select: none;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 300;
    color: var(--accent);
    transition: var(--transition);
    flex-shrink: 0;
}

.faq-item[open] .faq-question::after {
    content: '−';
    transform: rotate(0deg);
}

.faq-answer {
    padding: 0 28px 22px;
    font-size: 0.98rem;
    line-height: 1.75;
    color: var(--text-secondary);
}

/* ===== FINAL CTA ===== */
.final-cta {
    padding: 56px 0;
    text-align: center;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    bottom: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0.3;
}

.final-headline {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.final-sub {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.final-sub-lg {
    font-size: 1.5rem;
    font-weight: 500;
}

/* ===== FOOTER ===== */
.footer {
    padding: 0 24px;
    border-top: 1px solid var(--border);
    background: var(--bg-primary);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.footer-logo {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.footer-copy {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.btn-footer {
    font-size: 0.82rem;
    padding: 8px 20px;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero {
        padding: 110px 0 48px;
    }

    .hero-sub {
        font-size: 1.1rem;
        margin-bottom: 36px;
    }

    .vsl-wrapper {
        margin-bottom: 40px;
    }

    .vsl-play {
        width: 60px;
        height: 60px;
    }

    .vsl-play svg {
        width: 22px;
        height: 22px;
    }

    .section-title {
        margin-bottom: 56px;
    }

    .process {
        padding: 40px 0;
    }

    .step {
        grid-template-columns: 1fr;
        gap: 32px;
        margin-bottom: 64px;
    }

    .step-reverse {
        direction: ltr;
    }



    .step-title {
        font-size: 1.3rem;
    }

    .faq {
        padding: 40px 0;
    }

    .faq-question {
        padding: 18px 20px;
        font-size: 0.95rem;
    }

    .faq-answer {
        padding: 0 20px 18px;
        font-size: 0.92rem;
    }

    .final-cta {
        padding: 40px 0;
    }

    .footer-inner {
        flex-direction: column;
        height: auto;
        padding: 28px 0;
        gap: 16px;
        text-align: center;
    }

    .btn-lg {
        padding: 16px 36px;
        font-size: 1rem;
    }

    .btn-nav {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .hero-headline {
        font-size: 1.9rem;
    }

    .hero-badge {
        font-size: 0.72rem;
        padding: 5px 14px;
    }

    .nav-inner {
        height: 60px;
    }

    .logo {
        font-size: 1.15rem;
    }
}