@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=Syne:wght@600;700;800&display=swap");

:root {
  --bg: #07111f;
  --bg-elev: #0d1b2e;
  --bg-soft: #132338;
  --text: #e7f1f7;
  --muted: #8fa6b8;
  --accent: #2ec4b6;
  --accent-2: #7ee0d5;
  --line: rgba(231, 241, 247, 0.1);
  --ok: #5dce8a;
  --radius: 12px;
  --max: 1100px;
  --font: "IBM Plex Sans", sans-serif;
  --display: "Syne", sans-serif;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.4);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(900px 480px at 85% -5%, rgba(46, 196, 182, 0.14), transparent 55%),
    radial-gradient(700px 420px at 0% 20%, rgba(40, 90, 140, 0.22), transparent 50%),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 18px,
      rgba(255, 255, 255, 0.012) 18px,
      rgba(255, 255, 255, 0.012) 19px
    ),
    linear-gradient(180deg, #091525 0%, var(--bg) 45%, #050d18 100%);
  background-attachment: fixed;
  line-height: 1.65;
  min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-2); text-underline-offset: 3px; }
a:hover { color: #fff; }

.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: #04201c; padding: 0.5rem 1rem; z-index: 1000;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(7, 17, 31, 0.88);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 66px;
}

.logo {
  font-family: var(--display); font-weight: 800; font-size: 1.2rem;
  color: var(--text); text-decoration: none; letter-spacing: -0.03em;
}
.logo span { color: var(--accent); }

.nav-toggle {
  display: none; border: 1px solid var(--line); background: var(--bg-elev);
  color: var(--text); border-radius: 8px; padding: 0.45rem 0.7rem; cursor: pointer;
}

.nav { display: flex; gap: 1.05rem; flex-wrap: wrap; align-items: center; }
.nav a { color: var(--muted); text-decoration: none; font-size: 0.94rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  border-radius: 10px; padding: 0.82rem 1.25rem; font-weight: 600;
  text-decoration: none; border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #04201c; }
.btn-primary:hover { background: var(--accent-2); color: #04201c; }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-2); }

.hero { padding: 3.8rem 0 2.2rem; }
.hero-grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 2.2rem; align-items: center;
}

.brand-mark {
  font-family: var(--display); font-size: clamp(2rem, 4.5vw, 3.1rem);
  font-weight: 800; margin: 0 0 0.55rem; letter-spacing: -0.04em; line-height: 1;
}
.brand-mark em { font-style: normal; color: var(--accent); }

.hero h1 {
  font-family: var(--display); font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  line-height: 1.25; margin: 0 0 1rem; font-weight: 700; letter-spacing: -0.02em;
}

.lead { font-size: 1.05rem; color: var(--muted); max-width: 36rem; margin: 0 0 1.4rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-bottom: 1.1rem; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 0.55rem 1.1rem; color: var(--muted); font-size: 0.9rem; }
.hero-meta strong { color: var(--text); }

.hero-visual {
  position: relative; min-height: 340px; border-radius: 20px; overflow: hidden;
  background: linear-gradient(160deg, #102038, #0a1526 60%, #0d2430);
  border: 1px solid var(--line); box-shadow: var(--shadow);
}
.hero-visual img {
  width: 100%; height: 100%; min-height: 340px;
  object-fit: cover; object-position: center;
}
.hero-visual svg { width: 100%; height: 100%; min-height: 340px; }

.content-figure {
  margin: 1.2rem 0 0; border-radius: var(--radius);
  overflow: hidden; border: 1px solid var(--line);
}
.content-figure img { width: 100%; height: auto; display: block; }
.content-figure figcaption {
  padding: 0.6rem 0.85rem; font-size: 0.84rem; color: var(--muted);
  background: rgba(13, 27, 46, 0.9);
}

.specs {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.85rem; margin: 0.25rem 0 2.2rem;
}
.spec {
  padding: 1rem 1.05rem; background: rgba(13, 27, 46, 0.9);
  border: 1px solid var(--line); border-radius: var(--radius);
}
.spec dt { font-size: 0.8rem; color: var(--muted); margin-bottom: 0.3rem; }
.spec dd { margin: 0; font-weight: 600; }

.section { padding: 2.2rem 0; }
.section h2 {
  font-family: var(--display); font-size: clamp(1.2rem, 2vw, 1.55rem);
  margin: 0 0 0.8rem; letter-spacing: -0.02em;
}
.section p, .prose { color: var(--muted); max-width: 45rem; }
.prose p { margin: 0 0 1rem; }
.prose strong, .section p strong { color: var(--text); }

.split-list {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem 1.3rem;
  margin: 1.1rem 0 0; padding: 0; list-style: none;
}
.split-list li { position: relative; padding-left: 1.1rem; color: var(--muted); }
.split-list li::before {
  content: ""; position: absolute; left: 0; top: 0.55rem;
  width: 0.4rem; height: 0.4rem; border-radius: 2px; background: var(--accent);
}

.steps { counter-reset: step; list-style: none; padding: 0; margin: 1.15rem 0 0; display: grid; gap: 0.8rem; }
.steps li {
  counter-increment: step; display: grid; grid-template-columns: auto 1fr; gap: 0.85rem;
  padding: 0.95rem 1rem; background: rgba(13, 27, 46, 0.75);
  border: 1px solid var(--line); border-radius: var(--radius);
}
.steps li::before {
  content: counter(step); width: 1.9rem; height: 1.9rem; border-radius: 8px;
  display: grid; place-items: center; background: rgba(46, 196, 182, 0.16);
  color: var(--accent-2); font-weight: 700; font-size: 0.85rem;
}

.checklist { list-style: none; padding: 0; margin: 1rem 0 0; }
.checklist li {
  padding: 0.65rem 0.8rem 0.65rem 2.1rem; position: relative;
  border-bottom: 1px solid var(--line); color: var(--muted);
}
.checklist li::before { content: "→"; position: absolute; left: 0.45rem; color: var(--accent); font-weight: 700; }

.table-wrap { overflow-x: auto; margin-top: 1rem; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; min-width: 500px; }
th, td { text-align: left; padding: 0.8rem 0.95rem; border-bottom: 1px solid var(--line); color: var(--muted); vertical-align: top; }
th { background: rgba(13, 27, 46, 0.95); color: var(--text); font-weight: 600; }
tr:last-child td { border-bottom: 0; }

.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.9rem; margin-top: 1.15rem; }
.review {
  background: rgba(13, 27, 46, 0.8); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.05rem;
}
.review-head { display: flex; gap: 0.7rem; align-items: center; margin-bottom: 0.65rem; }
.avatar {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, #1a3350, #0d1b2e); border: 1px solid var(--line);
  font-weight: 700; font-size: 0.82rem; color: var(--accent-2);
}

.avatar-photo {
  width: 72px; height: 72px; border-radius: 50%;
  object-fit: cover; object-position: center top;
  border: 1px solid var(--line); background: #0a1526; flex-shrink: 0;
}

.phone-shot { max-width: 280px; margin-inline: auto; }
.phone-shot img { width: 100%; height: auto; border-radius: 18px; }
.review strong { display: block; color: var(--text); }
.review .role { font-size: 0.8rem; color: var(--muted); }
.review p { margin: 0; font-size: 0.93rem; }

.expert {
  display: grid; grid-template-columns: auto 1fr; gap: 0.95rem; margin-top: 1.4rem;
  padding: 1.1rem; border: 1px solid rgba(46, 196, 182, 0.28);
  border-radius: var(--radius); background: rgba(46, 196, 182, 0.05);
}

.faq { margin-top: 0.9rem; }
.faq details { border-bottom: 1px solid var(--line); padding: 0.8rem 0; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--text); list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--accent); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0.65rem 0 0.15rem; }

.related { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; margin-top: 0.95rem; }
.related a {
  display: block; padding: 0.95rem; border-radius: var(--radius);
  border: 1px solid var(--line); background: rgba(13, 27, 46, 0.7);
  color: var(--text); text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.related a:hover { border-color: var(--accent); transform: translateY(-2px); }
.related span { display: block; color: var(--muted); font-size: 0.84rem; margin-top: 0.3rem; }

.breadcrumbs { padding: 1.05rem 0 0; font-size: 0.88rem; color: var(--muted); }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent-2); }

.page-hero { padding: 1.1rem 0 1.35rem; }
.page-hero h1 {
  font-family: var(--display); font-size: clamp(1.4rem, 2.8vw, 2rem);
  margin: 0.35rem 0 0.8rem; line-height: 1.2; letter-spacing: -0.02em;
}

.updated { margin-top: 1.4rem; font-size: 0.86rem; color: var(--muted); }

.byline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1.15rem;
  font-size: 0.86rem;
  color: var(--muted);
  margin: 0.6rem 0 1.15rem;
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.byline strong { color: var(--text); font-weight: 600; }
.byline a { color: var(--accent-2); text-decoration: none; }
.byline a:hover { color: #fff; }

.cta-banner {
  margin: 1.8rem 0; padding: 1.3rem 1.35rem; border-radius: 16px;
  background: linear-gradient(115deg, rgba(46, 196, 182, 0.12), transparent 50%), var(--bg-elev);
  border: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 1rem;
  align-items: center; justify-content: space-between;
}
.cta-banner p { margin: 0; max-width: 32rem; color: var(--muted); }
.cta-banner strong { display: block; color: var(--text); margin-bottom: 0.2rem; }

.site-footer {
  margin-top: 2.8rem; border-top: 1px solid var(--line);
  padding: 1.9rem 0 6.2rem; color: var(--muted); font-size: 0.88rem;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 1.4rem; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--accent-2); }
.footer-brand { font-family: var(--display); color: var(--text); font-weight: 700; margin-bottom: 0.45rem; }
.disclaimer {
  margin-top: 1.4rem; padding-top: 0.95rem; border-top: 1px solid var(--line);
  font-size: 0.8rem; line-height: 1.55;
}

.sticky-cta {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  padding: 0.7rem 1rem calc(0.7rem + env(safe-area-inset-bottom));
  background: rgba(5, 13, 24, 0.95); border-top: 1px solid var(--line); backdrop-filter: blur(10px);
}
.sticky-cta .btn { width: 100%; }

.reveal { opacity: 0; transform: translateY(12px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .hero-grid, .reviews, .related, .footer-grid, .specs, .split-list { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-flex; }
  .nav {
    display: none; position: absolute; top: 66px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; padding: 1rem;
    background: rgba(7, 17, 31, 0.98); border-bottom: 1px solid var(--line);
  }
  .nav.is-open { display: flex; }
  .sticky-cta { display: block; }
  .hero { padding-top: 2rem; }
  .hero-visual, .hero-visual img, .hero-visual svg { min-height: 240px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .btn { transition: none; }
  .reveal { opacity: 1; transform: none; }
}