:root {
  --brand: #ff3c00;
  --brand-dark: #d63200;
  --brand-soft: #fff1ec;
  --ink: #131a26;
  --ink-soft: #4a5568;
  --muted: #718096;
  --line: #e5e8ee;
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --bg-dark: #131a26;
  --radius: 14px;
  --max: 1140px;
  --shadow: 0 10px 30px rgba(19, 26, 38, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.02em; font-weight: 800; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.25rem; font-weight: 700; }
p.lead { font-size: 1.22rem; color: var(--ink-soft); }

.container { max-width: var(--max); margin: 0 auto; padding: 0 22px; }
.section { padding: 76px 0; }
.section-soft { background: var(--bg-soft); }
.center { text-align: center; }
.narrow { max-width: 780px; margin-left: auto; margin-right: auto; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; padding: 14px 22px; max-width: var(--max); margin: 0 auto;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.16rem; color: var(--ink); }
.logo:hover { text-decoration: none; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px; background: var(--brand);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.logo-mark svg { width: 19px; height: 19px; }
.main-nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.main-nav a.nav-link {
  color: var(--ink-soft); font-weight: 600; font-size: 0.95rem;
  padding: 8px 12px; border-radius: 8px;
}
.main-nav a.nav-link:hover { background: var(--bg-soft); color: var(--ink); text-decoration: none; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.header-cta { display: flex; flex-direction: column; align-items: center; gap: 3px; }
.header-login-link { font-size: 0.8rem; color: var(--muted); font-weight: 600; text-align: center; }
.header-login-link:hover { color: var(--brand); text-decoration: none; }
.lang-switch { font-size: 0.88rem; color: var(--muted); font-weight: 600; white-space: nowrap; }
.lang-switch a { color: var(--muted); }
.lang-switch a.active { color: var(--brand); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 1rem; padding: 13px 26px;
  border-radius: 10px; border: 2px solid transparent; cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 6px 18px rgba(255, 60, 0, 0.35); }
.btn-primary:hover { background: var(--brand-dark); color: #fff; }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { color: var(--brand); }
.btn-lg { padding: 16px 34px; font-size: 1.08rem; }
.btn-sm { padding: 9px 16px; font-size: 0.92rem; }

/* ---------- Hero ---------- */
.hero { padding: 84px 0 70px; background: linear-gradient(180deg, var(--brand-soft) 0%, #fff 100%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero h1 span { color: var(--brand); }
.hero .lead { margin: 22px 0 30px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { margin-top: 16px; font-size: 0.92rem; color: var(--muted); }
.hero-img { }
.tv-mockup { width: 100%; filter: drop-shadow(0 28px 48px rgba(0,0,0,0.28)); }
.tv-bezel {
  background: linear-gradient(155deg, #2e2e40 0%, #16161e 100%);
  border-radius: 18px 18px 14px 14px;
  padding: 15px 15px 28px;
  position: relative;
}
.tv-bezel::after {
  content: '';
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 7px; height: 7px;
  background: #28c840;
  border-radius: 50%;
  box-shadow: 0 0 7px #28c840;
}
.tv-screen {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: 5px;
  background: #000;
}
.tv-stand-neck { width: 54px; height: 22px; background: #1e1e28; margin: 0 auto; }
.tv-stand-base { width: 160px; height: 13px; background: linear-gradient(to bottom, #1e1e28, #141418); border-radius: 0 0 10px 10px; margin: 0 auto; }
.hero-slider { position: relative; width: 100%; height: 100%; }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 0.9s ease; }
.hero-slide.active { opacity: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--line); color: var(--brand);
  font-weight: 700; font-size: 0.86rem; padding: 7px 14px; border-radius: 999px;
  margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.06em;
}

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 46px; counter-reset: step; }
.step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; position: relative; box-shadow: var(--shadow);
}
.step-num {
  width: 46px; height: 46px; border-radius: 50%; background: var(--brand); color: #fff;
  font-weight: 800; font-size: 1.25rem; display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.step h3 { margin-bottom: 10px; }
.step p { color: var(--ink-soft); font-size: 0.99rem; }

/* ---------- Feature cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 44px; }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; transition: transform 0.15s ease, box-shadow 0.15s ease;
}
a.card { color: inherit; display: block; }
a.card:hover { text-decoration: none; transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--brand); }
.card .icon {
  width: 48px; height: 48px; border-radius: 12px; background: var(--brand-soft);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.card .icon svg { width: 24px; height: 24px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--ink-soft); font-size: 0.98rem; }
.card .more { display: inline-block; margin-top: 14px; font-weight: 700; font-size: 0.94rem; color: var(--brand); }

/* ---------- Split section ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.reverse > .split-text { order: 2; }
.split-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.split h2 { margin-bottom: 18px; }
.split p { color: var(--ink-soft); margin-bottom: 14px; }

/* ---------- Check list ---------- */
.checklist { list-style: none; margin: 18px 0; }
.checklist li { padding: 7px 0 7px 34px; position: relative; color: var(--ink-soft); }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 10px;
  width: 20px; height: 20px; border-radius: 50%; background: var(--brand-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ff3c00' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-size: 12px; background-repeat: no-repeat; background-position: center;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--bg-dark); color: #fff; border-radius: 20px;
  padding: 64px 48px; text-align: center; margin: 30px 0;
}
.cta-band h2 { color: #fff; margin-bottom: 16px; }
.cta-band p { color: #aab3c2; max-width: 620px; margin: 0 auto 30px; font-size: 1.1rem; }

/* ---------- FAQ ---------- */
.faq { margin-top: 40px; }
.faq details {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 20px 24px; margin-bottom: 14px;
}
.faq summary {
  font-weight: 700; font-size: 1.06rem; cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq summary::after { content: "+"; font-size: 1.5rem; color: var(--brand); font-weight: 400; flex-shrink: 0; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: 14px; color: var(--ink-soft); }

/* ---------- Article (guides) ---------- */
.breadcrumb { font-size: 0.9rem; color: var(--muted); margin-bottom: 26px; }
.breadcrumb a { color: var(--muted); }
.article-header { padding: 60px 0 30px; }
.article-header h1 { max-width: 820px; }
.article-header .lead { margin-top: 18px; max-width: 760px; }
.article-body { max-width: 780px; }
.article-body h2 { margin: 46px 0 16px; }
.article-body h3 { margin: 32px 0 12px; }
.article-body p, .article-body li { color: var(--ink-soft); margin-bottom: 14px; }
.article-body ul, .article-body ol { padding-left: 26px; margin-bottom: 16px; }
.article-body li { margin-bottom: 8px; }
.article-body img { border-radius: var(--radius); margin: 26px 0; box-shadow: var(--shadow); }
.article-body strong { color: var(--ink); }
.tip-box {
  background: var(--brand-soft); border-left: 4px solid var(--brand);
  border-radius: 0 12px 12px 0; padding: 20px 24px; margin: 26px 0;
}
.tip-box p { margin: 0; color: var(--ink); }
.warn-box {
  background: #fff8e6; border-left: 4px solid #e6a800;
  border-radius: 0 12px 12px 0; padding: 20px 24px; margin: 26px 0;
}
.warn-box p { margin: 0; color: var(--ink); }
.meta-table { width: 100%; border-collapse: collapse; margin: 22px 0; font-size: 0.97rem; }
.meta-table th, .meta-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.meta-table th { color: var(--ink); font-weight: 700; background: var(--bg-soft); }
.meta-table td { color: var(--ink-soft); }
.guide-nav { display: flex; justify-content: space-between; gap: 16px; margin: 56px 0 20px; flex-wrap: wrap; }
.guide-nav a {
  flex: 1; min-width: 240px; border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 22px; color: var(--ink); font-weight: 600;
}
.guide-nav a:hover { border-color: var(--brand); text-decoration: none; }
.guide-nav a small { display: block; color: var(--muted); font-weight: 500; font-size: 0.85rem; }

/* ---------- Contact form ---------- */
.contact-box {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px; box-shadow: var(--shadow); text-align: left;
}
.contact-box h2 { text-align: center; }
.contact-box > p.lead { text-align: center; }
.contact-form { margin-top: 8px; }
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cf-field { display: flex !important; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.cf-field label { display: block; font-size: 0.9rem; font-weight: 600; color: var(--ink); }
.cf-field input,
.cf-field textarea {
  display: block; width: 100%;
  border: 1.5px solid var(--line); border-radius: 9px;
  padding: 11px 14px; font-size: 1rem; font-family: inherit; color: var(--ink);
  background: var(--bg); transition: border-color 0.15s;
  resize: vertical;
}
.cf-field input:focus,
.cf-field textarea:focus { outline: none; border-color: var(--brand); }
.cf-status { margin-top: 12px; font-size: 0.95rem; font-weight: 600; text-align: center; min-height: 1.4em; }
.cf-status.success { color: #16a34a; }
.cf-status.error   { color: var(--brand); }
@media (max-width: 600px) { .cf-row { grid-template-columns: 1fr; } }

/* ---------- Testimonials carousel ---------- */
.tc-carousel-wrap { position: relative; margin-top: 40px; }
.tc-carousel {
  display: flex; gap: 22px;
  overflow-x: auto; scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; scroll-behavior: smooth;
}
.tc-carousel::-webkit-scrollbar { display: none; }
.testimonial-card {
  flex: 0 0 calc(33.333% - 15px); scroll-snap-align: start; min-width: 260px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; display: flex; flex-direction: column; gap: 16px;
  box-shadow: 0 4px 20px rgba(19,26,38,0.08);
}
.tc-header { display: flex; align-items: center; gap: 14px; }
.tc-avatar {
  width: 52px; height: 52px; border-radius: 50%; object-fit: cover; flex-shrink: 0;
  border: 2px solid var(--brand-soft);
}
.tc-meta { display: flex; flex-direction: column; gap: 1px; }
.tc-name  { font-weight: 700; font-size: 1rem; color: var(--ink); }
.tc-role  { font-size: 0.85rem; color: var(--muted); font-weight: 500; }
.tc-stars { color: #f59e0b; font-size: 0.9rem; letter-spacing: 1px; }
.tc-quote { font-size: 0.97rem; color: var(--ink-soft); line-height: 1.6; flex: 1; }
.tc-quote::before { content: "\201E"; color: var(--brand); font-size: 1.4rem; line-height: 0; vertical-align: -6px; margin-right: 2px; }
.tc-nav { display: flex; justify-content: center; gap: 12px; margin-top: 24px; }
.tc-prev, .tc-next {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1.5px solid var(--line); background: #fff; cursor: pointer;
  font-size: 1.6rem; display: flex; align-items: center; justify-content: center;
  color: var(--ink); transition: border-color 0.15s, color 0.15s; line-height: 1;
}
.tc-prev:hover, .tc-next:hover { border-color: var(--brand); color: var(--brand); }
.tc-prev:disabled, .tc-next:disabled { opacity: 0.3; cursor: default; pointer-events: none; }
@media (max-width: 900px) {
  .testimonial-card { flex: 0 0 82%; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-dark); color: #aab3c2; padding: 56px 0 34px; margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.site-footer h4 { color: #fff; font-size: 0.95rem; margin-bottom: 14px; font-weight: 700; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 9px; }
.site-footer a { color: #aab3c2; font-size: 0.94rem; }
.site-footer a:hover { color: #fff; }
.footer-logo { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 1.1rem; margin-bottom: 14px; }
.footer-bottom { border-top: 1px solid #2a3446; padding-top: 24px; font-size: 0.88rem; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }

/* ---------- Brand / customer band ---------- */
.brand-band {
  background: var(--bg-dark); color: #aab3c2;
  padding: 18px 0; overflow: hidden; white-space: nowrap;
  border-top: 1px solid #1d2840; border-bottom: 1px solid #1d2840;
}
.band-track {
  display: inline-flex; gap: 0; align-items: center;
  animation: marquee 32s linear infinite;
  will-change: transform;
}
.band-track span { font-size: 0.97rem; font-weight: 600; padding: 0 22px; }
.band-track .sep { color: var(--brand); font-size: 1.1rem; padding: 0; }
.band-label {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.09em;
  text-transform: uppercase; color: #4a5568; padding: 0 28px 0 0; flex-shrink: 0;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- ROI / stat cards ---------- */
.stat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 44px;
}
.stat-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 22px; text-align: center;
  box-shadow: 0 4px 16px rgba(19,26,38,0.06);
}
.stat-num {
  font-size: clamp(2rem, 3.5vw, 2.8rem); font-weight: 800; color: var(--brand);
  letter-spacing: -0.03em; line-height: 1; margin-bottom: 12px;
}
.stat-label { font-size: 0.95rem; color: var(--ink-soft); line-height: 1.5; }

/* ---------- Dashboard feature list ---------- */
.feature-list { list-style: none; padding: 0; margin: 24px 0 28px; }
.feature-list li {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 12px 0; border-bottom: 1px solid var(--line);
}
.feature-list li:last-child { border-bottom: none; }
.fl-num {
  width: 28px; height: 28px; border-radius: 50%; background: var(--brand); color: #fff;
  font-weight: 800; font-size: 0.85rem; display: flex; align-items: center;
  justify-content: center; flex-shrink: 0; margin-top: 2px;
}
.feature-list li div { color: var(--ink-soft); font-size: 0.98rem; line-height: 1.55; }
.feature-list li strong { color: var(--ink); }

/* ---------- Pricing strip ---------- */
.price-strip {
  background: linear-gradient(135deg, #fff1ec 0%, #fff 100%);
  border: 2px solid rgba(255,60,0,0.18); border-radius: 20px;
  padding: 48px 44px; display: flex; align-items: center;
  justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.price-strip h2 { margin-bottom: 10px; }
.price-strip p { color: var(--ink-soft); max-width: 480px; }
.price-strip-ctas { display: flex; gap: 14px; flex-wrap: wrap; flex-shrink: 0; }

/* ---------- Plan cards ---------- */
.plans-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
  max-width: 640px; margin: 0 auto;
}
.plan-card {
  background: #fff; border: 1.5px solid var(--line); border-radius: 18px;
  padding: 36px 32px; display: flex; flex-direction: column; position: relative;
}
.plan-card--featured { border-color: var(--brand); box-shadow: 0 8px 32px rgba(255,60,0,0.12); }
.plan-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--brand); color: #fff; font-size: 0.75rem; font-weight: 700;
  padding: 4px 14px; border-radius: 20px; white-space: nowrap;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.plan-name { font-weight: 800; font-size: 1.05rem; color: var(--ink); margin-bottom: 10px; }
.plan-price { font-size: 2.6rem; font-weight: 800; color: var(--ink); line-height: 1; }
.plan-period { font-size: 1rem; font-weight: 500; color: var(--muted); }
.plan-features {
  list-style: none; margin: 20px 0 28px; display: flex; flex-direction: column; gap: 10px; flex: 1;
}
.plan-features li { font-size: 0.94rem; color: var(--ink-soft); padding-left: 20px; position: relative; }
.plan-features li::before { content: "✓"; position: absolute; left: 0; color: var(--brand); font-weight: 700; }
.plan-card .btn { display: block; text-align: center; }
@media (max-width: 600px) { .plans-grid { grid-template-columns: 1fr; } }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid, .split { grid-template-columns: 1fr; gap: 36px; }
  .split.reverse > .split-text { order: 0; }
  .steps, .cards, .cards.two { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav { display: none; }
  .section { padding: 56px 0; }
  .cta-band { padding: 46px 26px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .price-strip { flex-direction: column; align-items: flex-start; padding: 32px 24px; }
}