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

:root {
  --bg: #0d0d0d;
  --surface: #1a1a1a;
  --surface2: #242424;
  --border: #2a2a2a;
  --text: #e8e8e8;
  --text2: #999;
  --purple: #bb86fc;
  --green: #03dac6;
  --gradient: linear-gradient(135deg, var(--purple), var(--green));
  --shadow: 0 2px 12px rgba(0,0,0,.5);
  --radius: 16px;
  --radius-sm: 10px;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: 'Roboto', system-ui, sans-serif;
  background: var(--bg); color: var(--text);
  line-height: 1.6; -webkit-font-smoothing: antialiased;
}

/* ── Sticky Nav ── */
.nav {
  position: sticky; top: 0; z-index: 200;
  background: rgba(13,13,13,.92);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 60px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.nav-logo {
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 16px; color: #fff;
}
.nav-name { font-weight: 500; font-size: 15px; }
.nav-links { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.nav-links::-webkit-scrollbar { display: none; }
.nav-link {
  padding: 6px 14px; border-radius: 20px;
  color: var(--text2); text-decoration: none;
  font-size: 13px; font-weight: 500;
  white-space: nowrap; transition: all .2s;
  border: 1px solid transparent;
}
.nav-link:hover { color: var(--text); background: var(--surface2); }
.nav-link.active { color: #fff; background: var(--surface2); border-color: var(--border); }
.nav-phone {
  color: var(--green); text-decoration: none; font-size: 14px; font-weight: 500;
  display: flex; align-items: center; gap: 6px; white-space: nowrap;
}
.nav-phone:hover { color: var(--purple); }

/* ── Hero ── */
.hero {
  padding: 64px 24px 48px; text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(187,134,252,.06) 0%, transparent 70%);
}
.hero h1 {
  font-size: clamp(28px, 6vw, 48px); font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 12px;
}
.hero p { color: var(--text2); font-size: 17px; max-width: 520px; margin: 0 auto 24px; }
.hero-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 36px; border-radius: 28px;
  background: var(--gradient); color: #fff;
  text-decoration: none; font-weight: 500; font-size: 15px;
  box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s;
}
.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0,0,0,.6); }

/* ── Layout ── */
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px 80px; }

/* ── Section ── */
.section { padding: 48px 0; border-bottom: 1px solid var(--border); }
.section:last-child { border-bottom: none; }
.section-head { margin-bottom: 32px; }
.section-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--surface2); display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px; color: var(--purple);
}
.section-title { font-size: clamp(22px, 4vw, 30px); font-weight: 700; margin-bottom: 6px; }
.section-desc { color: var(--text2); font-size: 15px; }

/* ── Cards Grid ── */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #3a3a3a; }
.card-label {
  font-size: 12px; color: var(--text2); text-transform: uppercase;
  letter-spacing: .5px; margin-bottom: 8px;
}
.card-price { font-size: 26px; font-weight: 700; }
.card-price.purple { color: var(--purple); }
.card-price.green { color: var(--green); }
.card-sub { font-size: 13px; color: var(--text2); margin-top: 4px; }

/* ── Table ── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; background: var(--surface); }
th {
  text-align: left; padding: 14px 18px; font-size: 12px;
  font-weight: 500; color: var(--text2); text-transform: uppercase;
  letter-spacing: .5px; background: var(--surface2);
  border-bottom: 1px solid var(--border);
}
td { padding: 14px 18px; font-size: 14px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
td:last-child { text-align: right; font-weight: 700; white-space: nowrap; }
td.price { color: var(--green); }
td.label-cell { color: var(--text2); }

/* ── Included ── */
.included { list-style: none; display: grid; gap: 0; }
.included li {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 0; border-bottom: 1px solid var(--border);
}
.included li:last-child { border-bottom: none; }
.included .chk {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  background: rgba(3,218,198,.1); color: var(--green);
  display: flex; align-items: center; justify-content: center;
}

/* ── Badge ── */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 12px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; margin-left: 8px;
}
.badge-purple { background: rgba(187,134,252,.15); color: var(--purple); }
.badge-green { background: rgba(3,218,198,.15); color: var(--green); }

/* ── Calculator ── */
.calc {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
}
.calc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.calc-label { font-size: 12px; color: var(--text2); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 6px; display: block; }
.calc-select {
  width: 100%; padding: 12px 16px;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-family: inherit; font-size: 14px;
  appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
  transition: border-color .2s;
}
.calc-select:focus { outline: none; border-color: var(--purple); }
.calc-result {
  text-align: center; padding: 28px;
  background: linear-gradient(135deg, rgba(187,134,252,.08), rgba(3,218,198,.08));
  border: 1px solid var(--border); border-radius: var(--radius);
}
.calc-total {
  font-size: clamp(32px, 6vw, 48px); font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.calc-note { font-size: 13px; color: var(--text2); margin-top: 6px; }

/* ── Footer ── */
.footer {
  text-align: center; padding: 40px 24px;
  border-top: 1px solid var(--border);
  color: var(--text2); font-size: 14px;
}
.footer a { color: var(--green); text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* ── Scroll top ── */
.top-btn {
  position: fixed; bottom: 24px; right: 24px;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow); z-index: 100;
  opacity: 0; transform: translateY(12px);
  transition: all .25s; pointer-events: none;
}
.top-btn.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.top-btn:hover { background: var(--purple); border-color: var(--purple); color: #fff; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-inner { padding: 0 16px; height: 54px; }
  .nav-links { display: none; }
  .hero { padding: 40px 16px 32px; }
  .wrap { padding: 0 16px 60px; }
  .section { padding: 32px 0; }
  .calc { padding: 20px; }
  .calc-grid { grid-template-columns: 1fr; }
  td, th { padding: 10px 12px; font-size: 13px; }
}

/* ── Animations ── */
.fade-up {
  opacity: 0; transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── Highlight row on hover ── */
tr:hover td { background: rgba(255,255,255,.02); }
/* Focus visible */
:focus-visible {
  outline: 2px solid var(--purple);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  .hero,
  .fade-up {
    transform: none !important;
    opacity: 1 !important;
  }
}

/* Print styles */
@media print {
  .nav,
  .footer,
  .top-btn {
    display: none !important;
  }
}