/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, sans-serif;
    color: #1a1a2e;
    line-height: 1.6;
    background: #fff;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ===== COLORS ===== */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --dark: #1a1a2e;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --green: #10b981;
    --red: #ef4444;
    --radius: 12px;
    --shadow: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all .2s;
    text-align: center;
}
.btn-sm { padding: 10px 20px; font-size: .9rem; background: var(--primary); color: #fff; }
.btn-sm:hover { background: var(--primary-dark); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn-lg { padding: 18px 40px; font-size: 1.1rem; }
.btn-full { width: 100%; }

/* ===== HEADER ===== */
.header {
    position: fixed; top: 0; left: 0; right: 0;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 100;
    padding: 14px 0;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { font-weight: 700; font-size: 1.05rem; color: var(--dark); }
.logo-icon { font-size: 1.2rem; }

/* ===== HERO ===== */
.hero {
    padding: 178px 0 80px;
    text-align: center;
    background: linear-gradient(180deg, var(--primary-light) 0%, #fff 100%);
}
.hero-badge {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: .85rem;
    font-weight: 600;
    margin-bottom: 24px;
}
.hero h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}
.highlight { color: var(--primary); }
.hero-subtitle {
    font-size: 1.15rem;
    color: var(--gray-700);
    max-width: 640px;
    margin: 0 auto 40px;
}
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-bottom: 40px;
}
.stat { text-align: center; }
.stat-number { display: block; font-size: 2rem; font-weight: 800; color: var(--primary); }
.stat-label { font-size: .85rem; color: var(--gray-500); }
.hero-guarantee { margin-top: 12px; font-size: .9rem; color: var(--gray-500); }

/* ===== SECTIONS ===== */
.section { padding: 80px 0; }
.section h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
}
.section-subtitle {
    text-align: center;
    color: var(--gray-500);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto 48px;
}

/* ===== PROBLEM ===== */
.section-problem { background: var(--gray-50); }
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin: 48px 0 32px;
}
.problem-card {
    background: #fff;
    padding: 32px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
}
.problem-emoji { font-size: 2.5rem; margin-bottom: 16px; }
.problem-card p { font-size: .95rem; color: var(--gray-700); }
.problem-conclusion {
    text-align: center;
    font-size: 1.1rem;
    color: var(--dark);
    margin-top: 16px;
}

/* ===== METHOD ===== */
.method-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-top: 48px;
}
.method-card {
    background: var(--gray-50);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
}
.method-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 12px;
}
.method-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.method-card p { font-size: .92rem; color: var(--gray-700); }

/* ===== TIMELINE ===== */
.section-timeline { background: var(--gray-50); }
.timeline { max-width: 700px; margin: 0 auto; }
.timeline-item {
    display: flex;
    gap: 24px;
    padding: 32px 0;
    border-bottom: 1px solid var(--gray-200);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-week {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    font-size: 1.1rem;
    border-radius: var(--radius);
}
.timeline-content h3 { font-size: 1.1rem; margin-bottom: 8px; }
.timeline-content p { font-size: .92rem; color: var(--gray-700); margin-bottom: 12px; }
.timeline-kpi {
    font-size: .85rem;
    color: var(--primary);
    font-weight: 600;
    background: var(--primary-light);
    padding: 8px 14px;
    border-radius: 8px;
    display: inline-block;
}

/* ===== INCLUDED ===== */
.included-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 48px;
}
.included-card {
    background: #fff;
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
}
.included-icon { font-size: 2rem; margin-bottom: 12px; }
.included-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.included-card p { font-size: .9rem; color: var(--gray-700); }

/* ===== RESULTS ===== */
.section-results { background: var(--dark); color: #fff; }
.section-results h2 { color: #fff; }
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 48px;
}
.result-card {
    text-align: center;
    padding: 40px 24px;
    background: rgba(255,255,255,.05);
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,.1);
}
.result-number { font-size: 1.8rem; font-weight: 800; color: var(--accent); margin-bottom: 8px; }
.result-label { font-size: .95rem; color: rgba(255,255,255,.7); }

/* ===== FOR WHO ===== */
.section-for-who { background: var(--gray-50); }
.for-who-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 48px;
}
.for-who-card {
    padding: 32px;
    border-radius: var(--radius);
    border: 2px solid;
}
.for-who-yes { border-color: var(--green); background: #ecfdf5; }
.for-who-no { border-color: var(--red); background: #fef2f2; }
.for-who-card h3 { font-size: 1.15rem; margin-bottom: 16px; }
.for-who-card ul { list-style: none; }
.for-who-card li {
    padding: 8px 0;
    font-size: .93rem;
    color: var(--gray-700);
    border-bottom: 1px solid rgba(0,0,0,.06);
}
.for-who-card li:last-child { border-bottom: none; }

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 48px;
}
.testimonial-card {
    background: var(--gray-50);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
}
.testimonial-stars { color: var(--accent); font-size: 1.2rem; margin-bottom: 12px; }
.testimonial-text { font-size: .95rem; color: var(--gray-700); margin-bottom: 16px; font-style: italic; }
.testimonial-author { font-size: .85rem; color: var(--gray-500); }
.testimonials-note { text-align: center; margin-top: 24px; font-size: .85rem; color: var(--gray-500); }

/* ===== PRICING ===== */
.section-pricing { background: linear-gradient(180deg, #fff 0%, var(--primary-light) 100%); }
.pricing-card {
    max-width: 500px;
    margin: 48px auto 0;
    background: #fff;
    border-radius: 16px;
    padding: 48px 40px;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--primary);
    text-align: center;
    position: relative;
}
.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: .85rem;
    font-weight: 700;
}
.pricing-price { margin: 16px 0 8px; }
.pricing-old {
    font-size: 1.3rem;
    color: var(--gray-500);
    text-decoration: line-through;
    margin-right: 12px;
}
.pricing-current { font-size: 3rem; font-weight: 800; color: var(--primary); }
.pricing-period { color: var(--gray-500); font-size: .95rem; margin-bottom: 32px; }
.pricing-features { list-style: none; text-align: left; margin-bottom: 32px; }
.pricing-features li {
    padding: 10px 0;
    font-size: .95rem;
    border-bottom: 1px solid var(--gray-100);
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-guarantee { margin-top: 16px; font-size: .85rem; color: var(--gray-500); }

/* ===== FAQ ===== */
.section-faq { background: var(--gray-50); }
.faq-list { max-width: 700px; margin: 48px auto 0; }
.faq-item {
    background: #fff;
    margin-bottom: 12px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}
.faq-item summary {
    padding: 20px 24px;
    font-weight: 600;
    font-size: .98rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.faq-item summary::after { content: '+'; font-size: 1.3rem; color: var(--primary); font-weight: 700; }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding: 0 24px 20px; font-size: .92rem; color: var(--gray-700); }

/* ===== FORM ===== */
.section-form { background: #fff; }
.lead-form {
    max-width: 520px;
    margin: 0 auto;
    padding: 40px;
    background: var(--gray-50);
    border-radius: 16px;
    border: 1px solid var(--gray-200);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; }
.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-size: .95rem;
    font-family: inherit;
    transition: border-color .2s;
    background: #fff;
}
.form-group input:focus,
.form-group select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.form-legal { text-align: center; margin-top: 12px; font-size: .8rem; color: var(--gray-500); }
.form-message { text-align: center; margin-top: 12px; font-size: .95rem; font-weight: 600; }
.form-message.success { color: var(--green); }
.form-message.error { color: var(--red); }

/* ===== FINAL CTA ===== */
.section-final-cta {
    background: var(--dark);
    color: #fff;
    text-align: center;
    padding: 80px 0;
}
.section-final-cta h2 { color: #fff; font-size: 2rem; }
.section-final-cta p { color: rgba(255,255,255,.7); max-width: 500px; margin: 16px auto 32px; font-size: 1.05rem; }

/* ===== FOOTER ===== */
.footer {
    text-align: center;
    padding: 32px 0;
    border-top: 1px solid var(--gray-200);
    font-size: .85rem;
    color: var(--gray-500);
}
.footer-links { margin-top: 8px; }
.footer-links a { color: var(--gray-500); text-decoration: none; }
.footer-links a:hover { color: var(--primary); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero-stats { gap: 24px; }
    .stat-number { font-size: 1.5rem; }
    .form-row { grid-template-columns: 1fr; }
    .lead-form { padding: 24px; }
    .pricing-card { padding: 40px 24px; }
    .timeline-item { flex-direction: column; align-items: flex-start; }
    .timeline-week { width: auto; height: auto; padding: 8px 16px; }
    .btn-lg { padding: 16px 28px; font-size: 1rem; }
}

/* ===== ANIMATIONS ===== */
@media (prefers-reduced-motion: no-preference) {
    .method-card, .included-card, .problem-card, .testimonial-card, .result-card {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity .5s ease, transform .5s ease;
    }
    .method-card.visible, .included-card.visible, .problem-card.visible, .testimonial-card.visible, .result-card.visible {
        opacity: 1;
        transform: translateY(0);
    }
}