/* SYSCALL.WIN — black + pink, the same family as the product menu */

:root {
  --bg: #0a0a0e;
  --bg-raise: #101016;
  --panel: #14141b;
  --line: #322030;            /* menu border: rgb(50,31,45) */
  --line-soft: #221826;
  --pink: #ff4a9e;            /* rgb(255,74,158) — the accent */
  --pink-hi: #ff74b4;
  --pink-dim: #502540;
  --text: #f8f8f2;
  --dim: #a1a1aa;
  --ok: #57d9a3;
  --font: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", monospace;
  --max: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16.5px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--pink); color: #0a0a0e; }

/* ---------- background fx ---------- */

.bg-fx { position: fixed; inset: 0; z-index: -1; pointer-events: none; }

.bg-fx__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 74, 158, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 74, 158, 0.05) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 78%);
}

.bg-fx__glow {
  position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.35;
}
.bg-fx__glow--a {
  width: 560px; height: 560px; top: -220px; left: -140px;
  background: radial-gradient(circle, rgba(255, 74, 158, 0.5), transparent 65%);
}
.bg-fx__glow--b {
  width: 640px; height: 640px; top: 30%; right: -260px;
  background: radial-gradient(circle, rgba(120, 40, 160, 0.35), transparent 65%);
}

/* ---------- helpers ---------- */

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 50;
  background: var(--pink); color: #0a0a0e; padding: 8px 14px; font-weight: 600;
}
.skip-link:focus { left: 8px; top: 8px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* reveal on scroll — final state is the default, JS only arms the hidden state */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s ease; }
.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- header ---------- */

.site-header {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(10, 10, 14, 0.78);
  border-bottom: 1px solid var(--line-soft);
}

.site-header__inner {
  max-width: var(--max); margin: 0 auto;
  display: flex; align-items: center; gap: 28px;
  padding: 14px 24px;
}

.brand {
  font-family: var(--mono); font-weight: 700; font-size: 17px;
  letter-spacing: 0.06em;
  display: inline-flex; align-items: center; gap: 9px;
}
.brand span { color: var(--pink); }
.brand__mark { width: 25px; height: 25px; flex: none; display: block; }

.site-nav { display: flex; gap: 26px; margin-left: auto; }
.site-nav a {
  color: var(--dim); font-size: 14.5px; font-weight: 500;
  transition: color 0.2s ease;
}
.site-nav a:hover { color: var(--text); }

.site-header__end { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 0; padding: 8px; cursor: pointer;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--text); transition: transform 0.25s ease, opacity 0.25s ease; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* ---------- buttons ---------- */

.button {
  display: inline-flex; align-items: center; gap: 9px;
  font-weight: 600; font-size: 14.5px;
  border: 1px solid transparent; border-radius: 6px;
  padding: 10px 18px; cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.button .icon { width: 17px; height: 17px; fill: currentColor; }

.button--pink {
  background: var(--pink); color: #12040c;
  box-shadow: 0 0 0 0 rgba(255, 74, 158, 0.4);
}
.button--pink:hover { background: var(--pink-hi); transform: translateY(-1px); box-shadow: 0 8px 26px -8px rgba(255, 74, 158, 0.55); }

.button--ghost {
  background: transparent; color: var(--text);
  border-color: var(--line);
}
.button--ghost:hover { border-color: var(--pink); color: var(--pink); }

.button--big { padding: 14px 26px; font-size: 16px; border-radius: 8px; }
.button--compact { padding: 8px 14px; font-size: 13.5px; }

/* ---------- hero ---------- */

.intro {
  max-width: var(--max); margin: 0 auto;
  padding: 96px 24px 40px;
  text-align: center;
}

.intro-kicker {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--dim);
  border: 1px solid var(--line-soft); border-radius: 999px;
  padding: 7px 16px; margin: 0 0 26px;
  background: rgba(20, 20, 27, 0.6);
}
.intro-kicker .dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--ok);
  box-shadow: 0 0 8px var(--ok);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.45; } }

.intro h1 {
  font-size: clamp(40px, 6.4vw, 68px);
  line-height: 1.06; letter-spacing: -0.02em;
  margin: 0 0 22px; font-weight: 700;
}
.intro h1 em {
  font-style: normal;
  background: linear-gradient(92deg, var(--pink) 10%, var(--pink-hi) 60%, #c77dff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.intro-lede {
  max-width: 620px; margin: 0 auto 34px;
  color: var(--dim); font-size: 18px;
}

.actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.facts {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  margin: 72px 0 0; text-align: left;
}
.facts > div {
  background: var(--bg-raise); border: 1px solid var(--line-soft);
  border-radius: 10px; padding: 18px 18px 16px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.facts > div:hover { border-color: var(--line); transform: translateY(-3px); }
.facts dt {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--pink); margin-bottom: 8px;
}
.facts dd { margin: 0; color: var(--dim); font-size: 14.5px; line-height: 1.55; }

/* ---------- marquee ---------- */

.marquee {
  overflow: hidden; border-block: 1px solid var(--line-soft);
  margin-top: 70px; padding: 13px 0;
  background: rgba(16, 16, 22, 0.6);
}
.marquee__track { display: flex; width: max-content; animation: slide 26s linear infinite; }
.marquee__group { display: flex; align-items: center; gap: 34px; padding-right: 34px; }
.marquee__group span {
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--dim); white-space: nowrap;
}
.marquee__group i {
  width: 6px; height: 6px; background: var(--pink);
  transform: rotate(45deg); flex: none;
}
@keyframes slide { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; } }

/* ---------- generic section ---------- */

.section { max-width: var(--max); margin: 0 auto; padding: 96px 24px; }
.section__head { margin-bottom: 44px; }
.section__kicker {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--pink); margin: 0 0 12px;
}
.section h2 {
  font-size: clamp(30px, 4.2vw, 44px); line-height: 1.12;
  letter-spacing: -0.015em; margin: 0;
}

/* ---------- feature cards ---------- */

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card {
  position: relative; background: var(--bg-raise);
  border: 1px solid var(--line-soft); border-radius: 12px;
  padding: 26px 24px 24px; overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.card::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, var(--pink), transparent 70%);
  opacity: 0; transition: opacity 0.25s ease;
}
.card:hover { border-color: var(--line); transform: translateY(-4px); }
.card:hover::after { opacity: 1; }
.card__num {
  font-family: var(--mono); font-size: 12px; color: var(--pink);
  letter-spacing: 0.1em; display: block; margin-bottom: 14px;
}
.card h3 { margin: 0 0 8px; font-size: 19px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--dim); font-size: 14.5px; line-height: 1.6; }

/* ---------- safety ---------- */

.safety__grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; align-items: start; }
.safety__lede { color: var(--dim); font-size: 17px; margin: 18px 0 26px; }
.safety__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.safety__list li {
  position: relative; padding: 14px 16px 14px 44px;
  background: var(--bg-raise); border: 1px solid var(--line-soft);
  border-radius: 10px; color: var(--dim); font-size: 15px;
}
.safety__list li::before {
  content: ""; position: absolute; left: 17px; top: 20px;
  width: 10px; height: 10px; border-radius: 2px;
  background: var(--pink); box-shadow: 0 0 10px rgba(255, 74, 158, 0.6);
  transform: rotate(45deg);
}
.safety__list strong { color: var(--text); font-weight: 600; }

.safety__panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; padding: 22px; font-family: var(--mono);
  box-shadow: 0 24px 60px -30px rgba(255, 74, 158, 0.35);
}
.safety__panel-head {
  display: flex; align-items: center; gap: 9px;
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--dim); padding-bottom: 14px; margin-bottom: 6px;
  border-bottom: 1px solid var(--line-soft);
}
.safety__led {
  width: 8px; height: 8px; border-radius: 50%; background: var(--ok);
  box-shadow: 0 0 8px var(--ok); animation: pulse 2.2s ease-in-out infinite;
}
.safety__row {
  display: flex; justify-content: space-between; gap: 12px;
  font-size: 13.5px; padding: 11px 2px; border-bottom: 1px dashed var(--line-soft);
}
.safety__row span { color: var(--dim); }
.safety__row b { color: var(--ok); font-weight: 600; }
.safety__bar { height: 6px; border-radius: 999px; background: #1c1c24; margin-top: 18px; overflow: hidden; }
.safety__bar i {
  display: block; height: 100%; width: 82%;
  background: linear-gradient(90deg, var(--pink), var(--pink-hi));
  border-radius: inherit; animation: load 2.6s ease-in-out infinite alternate;
}
@keyframes load { from { width: 64%; } to { width: 94%; } }
.safety__note { margin: 14px 0 0; font-size: 11.5px; color: var(--dim); letter-spacing: 0.04em; }

/* ---------- pricing ---------- */

.plans { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.plans::before {
  content: ""; position: absolute; inset: -70px -60px auto; height: 340px;
  background: radial-gradient(ellipse 55% 100% at 50% 0%, rgba(255, 74, 158, 0.13), transparent 72%);
  pointer-events: none; z-index: -1;
}
.plan {
  position: relative; display: flex; flex-direction: column;
  background: var(--bg-raise); border: 1px solid var(--line-soft);
  border-radius: 14px; padding: 26px 22px 22px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.plan::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  border-radius: 14px 14px 0 0;
  background: linear-gradient(90deg, var(--pink), transparent 70%);
  opacity: 0; transition: opacity 0.3s ease;
}
.plan:hover { transform: translateY(-7px); border-color: var(--line); box-shadow: 0 26px 50px -30px rgba(255, 74, 158, 0.5); }
.plan:hover::after { opacity: 1; }
.plan__name {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--dim); margin: 0 0 14px;
}
.plan__price { font-size: 52px; font-weight: 700; letter-spacing: -0.03em; line-height: 1; margin: 0 0 8px; }
.plan__price span { color: var(--pink); font-size: 26px; vertical-align: 16px; margin-right: 2px; }
.plan__sub { margin: 0 0 18px; color: var(--dim); font-size: 13.5px; }
.plan__feats {
  list-style: none; margin: 0 0 22px; padding: 16px 0 0;
  border-top: 1px solid var(--line-soft); display: grid; gap: 9px;
}
.plan__feats li { position: relative; padding-left: 24px; font-size: 13.8px; color: var(--text); }
.plan__feats li::before {
  content: "\2713"; position: absolute; left: 0; top: -1px;
  color: var(--pink); font-weight: 700; font-size: 13.5px;
}
.plan__cta { margin-top: auto; justify-content: center; width: 100%; }
.plan--featured {
  border-color: var(--pink);
  background: linear-gradient(180deg, rgba(255, 74, 158, 0.10), var(--bg-raise) 45%);
  box-shadow: 0 26px 60px -36px rgba(255, 74, 158, 0.6);
}
.plan--featured::after { opacity: 1; }
.plan__badge {
  position: absolute; top: -12px; left: 20px;
  background: var(--pink); color: #12040c;
  font-family: var(--mono); font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 11px; border-radius: 999px;
}
.plans-note { text-align: center; color: var(--dim); font-size: 15px; max-width: 660px; margin: 30px auto 0; }

/* entrance stagger — animation-based so hover transitions stay snappy */
.plans .plan:nth-child(1) { --d: 0ms; }
.plans .plan:nth-child(2) { --d: 90ms; }
.plans .plan:nth-child(3) { --d: 180ms; }
.plans .plan:nth-child(4) { --d: 270ms; }
.js .plan.reveal { transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease; }
.js .plan.reveal:not(.is-in) { opacity: 0; transform: translateY(26px); }
.js .plan.reveal.is-in {
  opacity: 1; transform: none;
  animation: planIn 0.6s cubic-bezier(0.2, 0.7, 0.3, 1) backwards;
  animation-delay: var(--d, 0ms);
}
.js .plan.reveal:hover { transform: translateY(-7px); }
@keyframes planIn { from { opacity: 0; transform: translateY(26px); } }
@media (prefers-reduced-motion: reduce) {
  .js .plan.reveal:not(.is-in) { opacity: 1; transform: none; }
  .js .plan.reveal.is-in { animation: none; }
}

/* ---------- compare slider ---------- */

.compare {
  --pos: 50%;
  position: relative; overflow: hidden;
  border: 1px solid var(--line); border-radius: 14px;
  background: #000; aspect-ratio: 16 / 9;
  user-select: none; -webkit-user-select: none;
  cursor: ew-resize; touch-action: pan-y;
  box-shadow: 0 30px 70px -40px rgba(255, 74, 158, 0.4);
}
.compare__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; pointer-events: none; }
.compare__reveal {
  position: absolute; inset: 0; pointer-events: none;
  -webkit-clip-path: inset(0 calc(100% - var(--pos)) 0 0);
  clip-path: inset(0 calc(100% - var(--pos)) 0 0);
}
.compare__tag {
  position: absolute; top: 14px; z-index: 3; pointer-events: none;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase;
  background: rgba(10, 10, 14, 0.8); border: 1px solid var(--line);
  padding: 6px 13px; border-radius: 999px; backdrop-filter: blur(6px);
}
.compare__tag--left { left: 14px; color: var(--pink-hi); }
.compare__tag--right { right: 14px; color: var(--dim); }
.compare__range {
  position: absolute; inset: 0; z-index: 4;
  width: 100%; height: 100%; margin: 0; padding: 0;
  opacity: 0; pointer-events: none;
  -webkit-appearance: none; appearance: none; background: transparent;
}
.compare__line {
  position: absolute; top: 0; bottom: 0; left: var(--pos);
  width: 3px; transform: translateX(-1.5px); z-index: 5;
  background: var(--pink); box-shadow: 0 0 16px rgba(255, 74, 158, 0.9), 0 0 3px rgba(0, 0, 0, 0.6);
  pointer-events: none;
}
.compare__grip {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--pink); color: #12040c;
  border: 3px solid rgba(255, 255, 255, 0.92);
  box-shadow: 0 0 0 5px rgba(10, 10, 14, 0.45), 0 10px 26px rgba(0, 0, 0, 0.6);
}
.compare__range:focus-visible ~ .compare__line .compare__grip {
  outline: 2px solid var(--text); outline-offset: 3px;
}
.compare__note { text-align: center; color: var(--dim); font-size: 14.5px; margin: 20px 0 0; }

/* ---------- steps ---------- */

.steps { list-style: none; counter-reset: step; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step {
  background: var(--bg-raise); border: 1px solid var(--line-soft);
  border-radius: 12px; padding: 26px 24px;
  transition: border-color 0.25s ease;
}
.step:hover { border-color: var(--line); }
.step__num {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px; border-radius: 10px;
  font-family: var(--mono); font-weight: 700; color: #12040c;
  background: var(--pink); margin-bottom: 16px;
  box-shadow: 0 10px 24px -12px rgba(255, 74, 158, 0.7);
}
.step h3 { margin: 0 0 8px; font-size: 18.5px; }
.step p { margin: 0; color: var(--dim); font-size: 14.5px; }
.steps-cta { text-align: center; margin-top: 38px; }

/* ---------- faq ---------- */

.faq { display: grid; gap: 12px; max-width: 780px; }
.faq__item {
  background: var(--bg-raise); border: 1px solid var(--line-soft);
  border-radius: 10px; padding: 0 20px;
  transition: border-color 0.2s ease;
}
.faq__item:hover, .faq__item[open] { border-color: var(--line); }
.faq__item summary {
  cursor: pointer; list-style: none; padding: 17px 0;
  font-weight: 600; font-size: 16px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+"; font-family: var(--mono); color: var(--pink);
  font-size: 20px; line-height: 1; transition: transform 0.25s ease;
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p { margin: 0 0 18px; color: var(--dim); font-size: 15px; }

/* ---------- outro ---------- */

.outro { max-width: var(--max); margin: 0 auto; padding: 40px 24px 100px; }
.outro__card {
  position: relative; text-align: center; overflow: hidden;
  background: linear-gradient(180deg, #14141b, #0e0e13);
  border: 1px solid var(--line); border-radius: 18px;
  padding: 64px 32px 44px;
}
.outro__glow {
  position: absolute; top: -140px; left: 50%; transform: translateX(-50%);
  width: 460px; height: 260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 74, 158, 0.35), transparent 70%);
  filter: blur(50px); pointer-events: none;
}
.outro__card h2 { font-size: clamp(28px, 4vw, 40px); margin: 0 0 10px; letter-spacing: -0.015em; }
.outro__card > p { color: var(--dim); margin: 0 0 28px; font-size: 17px; }
.outro__facts {
  list-style: none; display: flex; gap: 26px; justify-content: center;
  flex-wrap: wrap; margin: 34px 0 0; padding: 22px 0 0;
  border-top: 1px solid var(--line-soft);
}
.outro__facts li {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--dim);
}
.outro__facts li::before { content: "◆ "; color: var(--pink); }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line-soft);
  max-width: var(--max); margin: 0 auto;
  padding: 26px 24px 40px;
  display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  color: var(--dim); font-size: 13.5px;
}
.site-footer .brand { font-size: 14.5px; color: var(--text); }
.site-footer .brand__mark { width: 21px; height: 21px; }

/* ---------- responsive ---------- */

@media (max-width: 940px) {
  .facts { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .plans { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .safety__grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: rgba(10, 10, 14, 0.97);
    border-bottom: 1px solid var(--line-soft);
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 15px 24px; border-top: 1px solid var(--line-soft); }
  .nav-toggle { display: flex; }
  .site-header__inner { gap: 14px; }

  .intro { padding-top: 64px; }
  .facts { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .plan__price { font-size: 44px; }
  .plan__badge { top: -11px; left: 16px; }
  .compare__tag { top: 10px; font-size: 10.5px; padding: 5px 10px; }
  .compare__tag--left { left: 10px; }
  .compare__tag--right { right: 10px; }
  .compare__grip { width: 38px; height: 38px; }
  .section { padding: 68px 20px; }
  .outro__card { padding: 48px 20px 36px; }
}

@media (max-width: 560px) {
  .plans { grid-template-columns: 1fr; }
}