:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --ink: #12151a;
  --muted: #5b6472;
  --line: #e4e8ee;
  --navy: #0f2744;
  --navy-2: #16345a;
  --accent: #1a6fd4;
  --accent-hover: #1558aa;
  --shadow: 0 12px 40px rgba(15, 39, 68, 0.08);
  --radius: 14px;
  --max: 1080px;
  --header-h: 72px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo img {
  height: 28px;
  width: auto;
  transition: opacity 0.2s ease;
}

.logo:hover img { opacity: 0.8; }

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 8px;
  transition: color 0.15s ease, background 0.15s ease;
}

.nav a:hover { color: var(--navy); background: #f0f3f7; }

.nav a.active {
  color: var(--navy);
  font-weight: 600;
  background: #eaf0f7;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

body.nav-open .menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .menu-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.hero {
  padding: 56px 0 24px;
  background:
    radial-gradient(900px 280px at 50% -40px, rgba(26, 111, 212, 0.08), transparent 70%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}

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

.hero-eyebrow {
  font-size: 0.95rem;
  font-weight: 500;
  font-style: italic;
  color: #3d4654;
  max-width: 680px;
  margin: 0 auto 1.5rem;
  padding: 0.95rem 1.4rem;
  background: #f4f6f8;
  border-radius: 18px;
  border: 1px solid #e0e4e8;
  position: relative;
  line-height: 1.55;
}

.hero-eyebrow::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 8px 8px 0;
  border-style: solid;
  border-color: #f4f6f8 transparent transparent transparent;
}

.hero-logo {
  margin: 0.85rem auto 1.4rem;
  max-width: 420px;
  width: 82%;
}

.lead {
  max-width: 720px;
  margin: 0 auto 1.6rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease, color 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--navy);
  color: #fff;
  box-shadow: 0 8px 20px rgba(15, 39, 68, 0.18);
}

.btn-primary:hover { background: var(--navy-2); }

.btn-outline {
  background: #fff;
  color: var(--navy);
  border-color: #c9d3de;
}

.btn-outline:hover { background: #f3f6fa; }

.section { padding: 56px 0; }

.section-accent {
  background: #fff;
  border-block: 1px solid var(--line);
}

.software-preview {
  margin: 8px auto 0;
  max-width: 920px;
  text-align: center;
}

.preview-frame {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 10px;
  box-shadow: var(--shadow);
}

.software-preview img {
  width: 100%;
  max-width: 860px;
  margin-inline: auto;
  border-radius: 10px;
  object-fit: contain;
}

.caption {
  margin-top: 14px;
  font-size: 0.9rem;
  color: #66707c;
}

.disclaimer-box {
  max-width: 780px;
  margin: 28px auto 0;
  padding: 1.15rem 1.5rem;
  border: 1px solid #f0c9c9;
  border-radius: 10px;
  background: #fff7f7;
  font-size: 0.92rem;
  line-height: 1.6;
  text-align: center;
  color: #b42318;
}

.section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.eyebrow {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--accent);
}

.section-header h2,
.page-header h1 {
  font-size: clamp(1.6rem, 2.4vw, 2.05rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--navy);
  margin-bottom: 14px;
}

.page-header h1 {
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  margin-bottom: 10px;
}

.divider {
  width: 56px;
  height: 3px;
  margin: 0 auto 22px;
  background: var(--accent);
  border-radius: 99px;
}

.prose {
  text-align: left;
  color: #3a4350;
  font-size: 1rem;
  line-height: 1.75;
}

.prose strong { color: var(--navy); }

.prose ul,
.window-body ul {
  margin: 14px 0 18px 1.15rem;
}

.prose li,
.window-body ul li { margin: 6px 0; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 40px;
  max-width: 860px;
  margin-inline: auto;
}

.card {
  background: #fff;
  min-height: 168px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(15, 39, 68, 0.06);
  border: 1px solid var(--line);
  padding: 18px;
  gap: 10px;
}

.card img {
  width: 100%;
  max-height: 150px;
  object-fit: contain;
}

.card-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy);
  text-align: center;
}

.page-header {
  padding: 56px 0 36px;
  text-align: center;
  background:
    radial-gradient(900px 280px at 50% -40px, rgba(26, 111, 212, 0.08), transparent 70%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}

.page-header .lead { margin-bottom: 0; }

.showcase {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.products-container {
  width: min(1280px, calc(100% - 40px));
}

.showcase.products {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 22px;
}

.showcase.products .window {
  min-width: 0;
}

.window {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.window-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0.7rem 1rem;
  background: #f3f6fa;
  border-bottom: 1px solid var(--line);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
}

.window-dots {
  display: flex;
  gap: 5px;
  flex-shrink: 0;
}

.window-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #cbd5e1;
}

.window-dots span:nth-child(1) { background: #ef4444; }
.window-dots span:nth-child(2) { background: #eab308; }
.window-dots span:nth-child(3) { background: #22c55e; }

.window-media {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  flex: 1;
  padding: 1.1rem;
  background: #f8fafc;
  border-bottom: 1px solid var(--line);
}

.window:has(.window-media):not(:has(.window-body)) .window-media {
  border-bottom: none;
}

.window-media img {
  width: 100%;
  max-height: 180px;
  object-fit: contain;
  border-radius: 8px;
}

.window-body {
  padding: 1.25rem 1.2rem 1.4rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.window-body h3 {
  margin: 0 0 0.55rem;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
}

.window-body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--muted);
}

.window-tag {
  display: inline-block;
  margin-top: auto;
  padding: 0.25rem 0.65rem;
  width: fit-content;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 6px;
  background: #eaf3ff;
  color: var(--accent);
}

.price-highlight {
  display: block;
  margin: 0.9rem 0 0.35rem;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--navy);
}

.pay-note {
  margin-top: 0.2rem !important;
  font-size: 0.85rem !important;
}

.buy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
  min-height: 42px;
  padding: 0 1.2rem;
  background: var(--navy);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 10px;
  width: fit-content;
}

.buy-btn:hover { background: var(--navy-2); }

.content-section {
  max-width: 820px;
  margin: 0 auto 3rem;
  text-align: left;
  line-height: 1.7;
  color: #3a4350;
}

.content-section h2 {
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 1.1rem;
  text-align: center;
  color: var(--navy);
  letter-spacing: -0.02em;
}

.content-section p { margin-bottom: 1.1rem; }

.content-section ul {
  margin: 1rem 0 1.4rem 1.3rem;
}

.content-section li { margin-bottom: 0.45rem; }

.section-divider {
  width: 56px;
  height: 3px;
  background: var(--accent);
  border-radius: 99px;
  margin: 0 auto 3rem;
}

.future-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4rem 0 1.6rem;
  font-size: 0.95rem;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.future-table th,
.future-table td {
  border: 1px solid var(--line);
  padding: 0.75rem 1rem;
  text-align: left;
  vertical-align: top;
}

.future-table th {
  background: #f3f6fa;
  font-weight: 700;
  color: var(--navy);
}

.faq-list {
  max-width: 760px;
  margin-inline: auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.25rem 1.35rem;
  margin-bottom: 12px;
  box-shadow: 0 8px 24px rgba(15, 39, 68, 0.04);
}

.faq-question {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.45rem;
}

.faq-answer {
  font-size: 0.98rem;
  color: var(--muted);
}

.contact-form {
  max-width: 560px;
  margin-inline: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.6rem;
  box-shadow: var(--shadow);
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.45rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(26, 111, 212, 0.12);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.payment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
  margin-top: 8px;
}

.crypto-box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.6rem 1.4rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.crypto-box h2 {
  margin: 0 0 0.65rem;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--navy);
}

.crypto-box .network {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.2rem 0.7rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 6px;
  background: #eaf3ff;
  color: var(--accent);
}

.crypto-box p {
  margin: 0 0 1rem;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--muted);
  text-align: left;
}

.crypto-amount {
  text-align: center !important;
  font-size: 1.12rem !important;
  font-weight: 800 !important;
  color: var(--navy) !important;
  margin-bottom: 0.55rem !important;
}

.crypto-box .address {
  width: 100%;
  margin: 0.35rem 0 1.1rem;
  padding: 0.85rem 1rem;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.78rem;
  word-break: break-all;
  color: var(--ink);
  text-align: left;
}

.crypto-box .qr {
  width: 180px;
  height: 180px;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  margin-bottom: 0.45rem;
}

.price-note {
  max-width: 720px;
  margin: 0 auto 2rem;
  padding: 1.1rem 1.4rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 0.95rem;
  line-height: 1.55;
  color: #334155;
  text-align: center;
  box-shadow: 0 8px 24px rgba(15, 39, 68, 0.04);
}

.price-note strong { color: var(--navy); }

.email-form {
  max-width: 520px;
  margin: 2.5rem auto 0;
  padding: 1.75rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.email-form h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  text-align: center;
}

.email-form p {
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
}

.email-form label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #334155;
}

.email-form input[type="email"] {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  font-size: 0.95rem;
  margin-bottom: 1.1rem;
}

.email-form input[type="email"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(26, 111, 212, 0.12);
}

.email-form button {
  width: 100%;
  padding: 0.75rem;
  background: var(--navy);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
}

.email-form button:hover { background: var(--navy-2); }

.important {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: 10px;
  font-size: 0.88rem;
  color: #9a3412;
  line-height: 1.5;
}

.footer {
  background: var(--navy);
  color: #d5dde8;
  padding: 28px 0 22px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px 4px;
}

.footer-nav a {
  font-size: 0.88rem;
  font-weight: 500;
  color: #c5d0de;
  padding: 6px 10px;
  border-radius: 8px;
}

.footer-nav a:hover { color: #fff; background: rgba(255,255,255,0.08); }

.footer-copy {
  font-size: 0.8rem;
  color: #8ea0b6;
}

@media (max-width: 1100px) {
  .showcase.products { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .card-grid,
  .showcase { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; }
  .showcase.products { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: none; margin-inline: 0; }
  .hero { padding-top: 36px; }
}

@media (max-width: 760px) {
  .menu-toggle { display: flex; }

  .nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px 16px 18px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 30px rgba(15, 39, 68, 0.08);
  }

  body.nav-open .nav { display: flex; }

  .nav a { padding: 12px 14px; }

  .showcase.products { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; }
}

@media (max-width: 480px) {
  .container,
  .header-inner { width: min(var(--max), calc(100% - 28px)); }
  .hero-eyebrow { font-size: 0.88rem; padding: 0.8rem 1rem; }
  .lead { font-size: 0.98rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition: none !important;
    transform: none !important;
  }
}