/* ============================================================
   Mentis SEO Website – Global Stylesheet
   Brand: primary #4f46e5 | secondary #7c3aed | light #ede9fe
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif; color: #1f2937; background: #fff; line-height: 1.7; }
img { max-width: 100%; height: auto; display: block; }
a { color: #4f46e5; text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; line-height: 1.2; color: #111827; }
h2 { font-size: clamp(1.3rem, 3vw, 1.9rem); font-weight: 700; color: #1f2937; margin: 2rem 0 0.75rem; }
h3 { font-size: 1.2rem; font-weight: 600; color: #374151; margin: 1.5rem 0 0.5rem; }
p { margin-bottom: 1rem; color: #374151; }
strong { color: #111827; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.25rem; }
.section { padding: 4rem 0; }
.section--gray { background: #f9fafb; }
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; box-shadow: 0 2px 16px rgba(79,70,229,0.08); }
.site-header::before { content: ''; display: block; height: 3px; background: linear-gradient(90deg, #4f46e5, #7c3aed, #a78bfa); }
.nav-container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between; height: 110px; gap: 1.5rem; }
.nav-logo { display: flex; align-items: center; flex-shrink: 0; transition: opacity 0.2s; }
.nav-logo:hover { opacity: 0.85; text-decoration: none; }
.nav-logo img { height: 100px; width: auto; display: block; object-fit: contain; }
.nav-links { display: flex; gap: 0.25rem; align-items: center; }
.nav-links li a { font-size: 0.88rem; font-weight: 500; color: #4b5563; white-space: nowrap; padding: 0.4rem 0.75rem; border-radius: 6px; transition: background 0.18s, color 0.18s; display: block; }
.nav-links li a:hover { background: #ede9fe; color: #4f46e5; text-decoration: none; }
.nav-cta { background: linear-gradient(135deg, #4f46e5, #7c3aed) !important; color: #fff !important; padding: 0.5rem 1.1rem !important; border-radius: 50px !important; font-weight: 600 !important; box-shadow: 0 2px 10px rgba(79,70,229,0.3); transition: transform 0.18s, box-shadow 0.18s !important; }
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 18px rgba(79,70,229,0.4) !important; background: linear-gradient(135deg, #4338ca, #6d28d9) !important; }
@media (max-width: 768px) { .nav-links { gap: 0.1rem; } .nav-links li:nth-child(n+4):not(:last-child) { display: none; } }
@media (max-width: 480px) { .nav-links li:not(:last-child) { display: none; } }
.breadcrumb { background: #f9fafb; border-bottom: 1px solid #e5e7eb; padding: 0.6rem 1.25rem; font-size: 0.82rem; color: #6b7280; }
.breadcrumb a { color: #6b7280; }
.breadcrumb a:hover { color: #4f46e5; }
.breadcrumb span { margin: 0 0.4rem; }
.hero { background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%); color: #fff; padding: 5rem 2rem 4rem; position: relative; overflow: visible; }
.hero::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(circle, rgba(255,255,255,0.07) 1px, transparent 1px); background-size: 30px 30px; pointer-events: none; }
.hero-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; gap: 4rem; position: relative; z-index: 1; }
.hero-content { flex: 1; text-align: left; }
.hero-phone { flex: 0 0 auto; width: 240px; }
.hero-phone img { border-radius: 28px; box-shadow: 0 28px 64px rgba(0,0,0,0.35), 0 0 0 6px rgba(255,255,255,0.12); width: 100%; height: auto; }
.hero h1 { color: #fff; margin-bottom: 1rem; }
.hero p { color: #c7d2fe; font-size: 1.15rem; max-width: 560px; margin: 0 0 2rem; }
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }
@media (max-width: 768px) { .hero-inner { flex-direction: column-reverse; text-align: center; align-items: center; gap: 2.5rem; } .hero-phone { width: 180px; } .hero p { margin: 0 auto 2rem; } .hero-btns { justify-content: center; } }
.btn-primary { background: #fff; color: #4f46e5; padding: 0.85rem 2rem; border-radius: 8px; font-weight: 700; font-size: 1rem; transition: transform 0.2s, box-shadow 0.2s; display: inline-block; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.15); text-decoration: none; }
.btn-outline { border: 2px solid rgba(255,255,255,0.6); color: #fff; padding: 0.85rem 2rem; border-radius: 8px; font-weight: 600; display: inline-block; transition: background 0.2s; }
.btn-outline:hover { background: rgba(255,255,255,0.1); text-decoration: none; }
.page-body { max-width: 820px; margin: 3rem auto; padding: 0 1.25rem 4rem; }
.page-body h1 { margin-bottom: 0.5rem; }
.page-meta { font-size: 0.85rem; color: #9ca3af; margin-bottom: 1.5rem; }
.page-body .featured-image { width: 100%; border-radius: 12px; margin: 1.5rem 0 2rem; box-shadow: 0 4px 20px rgba(0,0,0,0.1); }
.page-body ul, .page-body ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.page-body ul li, .page-body ol li { margin-bottom: 0.4rem; color: #374151; }
.page-body ul { list-style: disc; }
.page-body ol { list-style: decimal; }
.highlight-box { background: #ede9fe; border-left: 4px solid #4f46e5; padding: 1rem 1.25rem; border-radius: 0 8px 8px 0; margin: 1.5rem 0; }
.highlight-box p { margin: 0; color: #3730a3; font-weight: 500; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; margin: 2rem 0; }
.feature-card { background: #f9fafb; border: 1px solid #e5e7eb; border-radius: 12px; padding: 1.5rem; transition: box-shadow 0.2s, transform 0.2s; }
.feature-card:hover { box-shadow: 0 6px 20px rgba(79,70,229,0.12); transform: translateY(-3px); }
.feature-card .icon { font-size: 2rem; margin-bottom: 0.75rem; }
.feature-card h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.feature-card p { margin: 0; font-size: 0.9rem; color: #6b7280; }
/* ── Feature Carousel ── */
.feature-carousel { position: relative; padding: 0 3rem; }
.carousel-track-wrap { overflow: hidden; border-radius: 12px; }
.carousel-track { display: flex; gap: 1.5rem; transition: transform 0.45s cubic-bezier(0.25,0.46,0.45,0.94); will-change: transform; }
.carousel-slide { flex: 0 0 calc(33.333% - 1rem); background: #fff; border: 1px solid #e5e7eb; border-radius: 16px; padding: 1.5rem 1.25rem 2rem; text-align: center; transition: box-shadow 0.2s, transform 0.2s; }
.carousel-slide:hover { box-shadow: 0 8px 28px rgba(79,70,229,0.14); transform: translateY(-4px); }
.carousel-slide-img { width: 140px; height: auto; margin: 0 auto 1.25rem; border-radius: 18px; box-shadow: 0 10px 32px rgba(0,0,0,0.18); display: block; }
.carousel-slide .icon { font-size: 1.6rem; margin-bottom: 0.5rem; }
.carousel-slide h3 { font-size: 1rem; margin: 0 0 0.4rem; }
.carousel-slide h3 a { color: #111827; }
.carousel-slide h3 a:hover { color: #4f46e5; text-decoration: none; }
.carousel-slide p { font-size: 0.84rem; color: #6b7280; margin: 0; }
.carousel-btn { position: absolute; top: 42%; transform: translateY(-50%); background: #fff; border: 1.5px solid #e5e7eb; border-radius: 50%; width: 42px; height: 42px; font-size: 1.3rem; cursor: pointer; z-index: 10; box-shadow: 0 2px 10px rgba(0,0,0,0.1); color: #4f46e5; display: flex; align-items: center; justify-content: center; transition: background 0.2s, color 0.2s, box-shadow 0.2s; line-height: 1; padding: 0; }
.carousel-btn:hover { background: #4f46e5; color: #fff; box-shadow: 0 4px 16px rgba(79,70,229,0.35); border-color: #4f46e5; }
.carousel-prev { left: 0; }
.carousel-next { right: 0; }
.carousel-dots { display: flex; justify-content: center; gap: 8px; margin-top: 1.75rem; }
.carousel-dot { width: 8px; height: 8px; border-radius: 50%; background: #d1d5db; border: none; cursor: pointer; padding: 0; transition: background 0.2s, transform 0.2s, width 0.2s; }
.carousel-dot.active { background: #4f46e5; width: 22px; border-radius: 4px; }
@media (max-width: 768px) { .carousel-slide { flex: 0 0 calc(50% - 0.75rem); } }
@media (max-width: 500px) { .carousel-slide { flex: 0 0 100%; } .feature-carousel { padding: 0 2.25rem; } }
/* ── end Feature Carousel ── */
/* ── Lessons Carousel ── */
.lessons-carousel { position: relative; padding: 0 3rem; }
.lessons-track-wrap { overflow: hidden; border-radius: 16px; }
.lessons-track { display: flex; gap: 1.5rem; transition: transform 0.45s cubic-bezier(0.25,0.46,0.45,0.94); will-change: transform; }
.lesson-slide { flex: 0 0 calc(33.333% - 1rem); border-radius: 16px; overflow: hidden; position: relative; height: 240px; box-shadow: 0 6px 24px rgba(0,0,0,0.18); transition: transform 0.2s, box-shadow 0.2s; text-decoration: none; display: block; flex-shrink: 0; }
.lesson-slide:hover { transform: translateY(-4px); box-shadow: 0 12px 36px rgba(0,0,0,0.25); text-decoration: none; }
.lesson-slide-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform 0.4s; }
.lesson-slide:hover .lesson-slide-bg { transform: scale(1.04); }
.lesson-slide-overlay { position: absolute; inset: 0; background: linear-gradient(160deg, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.72) 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 1.25rem; }
.lesson-slide-badges { display: flex; gap: 0.4rem; margin-bottom: 0.5rem; flex-wrap: wrap; }
.lesson-badge-cat { background: rgba(79,70,229,0.85); color: #fff; padding: 0.2rem 0.6rem; border-radius: 50px; font-size: 0.72rem; font-weight: 600; text-transform: capitalize; }
.lesson-badge-dur { background: rgba(0,0,0,0.4); color: rgba(255,255,255,0.9); padding: 0.2rem 0.6rem; border-radius: 50px; font-size: 0.72rem; border: 1px solid rgba(255,255,255,0.25); }
.lesson-slide-title { color: #fff; font-size: 1rem; font-weight: 700; margin: 0 0 0.6rem; text-shadow: 0 1px 6px rgba(0,0,0,0.4); line-height: 1.3; }
.lesson-slide-cta { display: inline-flex; align-items: center; gap: 0.4rem; background: rgba(255,255,255,0.18); backdrop-filter: blur(8px); border: 1.5px solid rgba(255,255,255,0.5); color: #fff; padding: 0.4rem 1rem; border-radius: 50px; font-size: 0.8rem; font-weight: 600; width: fit-content; }
@media (max-width: 768px) { .lesson-slide { flex: 0 0 calc(50% - 0.75rem); } }
@media (max-width: 500px) { .lesson-slide { flex: 0 0 100%; } .lessons-carousel { padding: 0 2.25rem; } }
/* ── end Lessons Carousel ── */
.faq-section { margin: 3rem 0; }
.faq-item { border-bottom: 1px solid #e5e7eb; padding: 1.25rem 0; }
.faq-item:last-child { border-bottom: none; }
.faq-q { font-weight: 700; color: #111827; margin-bottom: 0.5rem; font-size: 1.05rem; }
.faq-a { color: #4b5563; }
.steps-list { counter-reset: steps; list-style: none; padding: 0; margin: 1.5rem 0; }
.steps-list li { counter-increment: steps; padding: 1rem 1rem 1rem 3.5rem; position: relative; border-left: 3px solid #ede9fe; margin-bottom: 1rem; background: #fafaf9; border-radius: 0 8px 8px 0; }
.steps-list li::before { content: counter(steps); position: absolute; left: -14px; top: 50%; transform: translateY(-50%); background: #4f46e5; color: #fff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.85rem; line-height: 28px; text-align: center; }
.related-section { margin: 3rem 0; padding-top: 2rem; border-top: 1px solid #e5e7eb; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.25rem; }
.related-card { border: 1px solid #e5e7eb; border-radius: 10px; padding: 1.1rem; transition: box-shadow 0.2s; }
.related-card:hover { box-shadow: 0 4px 16px rgba(79,70,229,0.1); }
.related-card h4 { font-size: 0.95rem; margin-bottom: 0.25rem; color: #111827; }
.related-card p { font-size: 0.82rem; color: #6b7280; margin: 0; }
.download-banner { background: linear-gradient(135deg, #4f46e5, #7c3aed); color: #fff; padding: 3.5rem 1.25rem; margin: 3rem 0; border-radius: 16px; display: flex; flex-direction: column; align-items: center; text-align: center; }
.download-banner h2 { color: #fff; margin: 0 0 0.75rem; }
.download-banner p { color: #c7d2fe; margin-bottom: 1.75rem; max-width: 540px; }
.compare-table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.95rem; overflow-x: auto; display: block; }
.compare-table th { background: #4f46e5; color: #fff; padding: 0.75rem 1rem; text-align: left; }
.compare-table td { padding: 0.7rem 1rem; border-bottom: 1px solid #e5e7eb; }
.compare-table tr:nth-child(even) td { background: #f9fafb; }
.compare-table .yes { color: #16a34a; font-weight: 700; }
.compare-table .no { color: #dc2626; }
.site-footer { background: #111827; color: #d1d5db; padding: 3.5rem 1.25rem 2rem; margin-top: 4rem; }
.footer-container { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 2rem; margin-bottom: 2.5rem; }
.footer-col h4 { color: #fff; font-size: 0.9rem; margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.05em; }
.footer-col ul { list-style: none; padding: 0; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul li a { color: #9ca3af; font-size: 0.88rem; }
.footer-col ul li a:hover { color: #fff; text-decoration: none; }
.footer-col p { color: #9ca3af; font-size: 0.88rem; margin-bottom: 1rem; }
.footer-download-btn { display: inline-block; background: #4f46e5; color: #fff; padding: 0.6rem 1.25rem; border-radius: 6px; font-weight: 600; font-size: 0.9rem; }
.footer-download-btn:hover { background: #4338ca; text-decoration: none; color: #fff; }
.footer-bottom { max-width: 1100px; margin: 0 auto; border-top: 1px solid #374151; padding-top: 1.5rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; font-size: 0.82rem; color: #6b7280; }
.footer-bottom a { color: #6b7280; }
.footer-bottom a:hover { color: #fff; }
#cta-download { position: fixed; bottom: 24px; right: 24px; z-index: 9999; background: #4f46e5; color: #fff; padding: 12px 20px; border-radius: 50px; text-decoration: none; font-weight: 600; font-size: 15px; box-shadow: 0 4px 16px rgba(79,70,229,0.45); transition: transform 0.2s, box-shadow 0.2s; white-space: nowrap; }
#cta-download:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(79,70,229,0.5); text-decoration: none; color: #fff; }
#cta-whatsapp { position: fixed; bottom: 24px; left: 24px; z-index: 9999; background: #25D366; color: #fff; padding: 12px 20px; border-radius: 50px; text-decoration: none; font-weight: 600; font-size: 15px; box-shadow: 0 4px 16px rgba(37,211,102,0.45); transition: transform 0.2s, box-shadow 0.2s; white-space: nowrap; }
#cta-whatsapp:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(37,211,102,0.5); text-decoration: none; color: #fff; }
@media (max-width: 480px) { #cta-download { padding: 10px 14px; font-size: 13px; bottom: 16px; right: 12px; } #cta-whatsapp { padding: 10px 14px; font-size: 13px; bottom: 16px; left: 12px; } }