:root {
  --bg: #0b0d14;
  --bg-elevated: #12151f;
  --panel: #161a26;
  --panel-2: #1b2130;
  --ink: #f3f5f9;
  --ink-soft: #c7cdd8;
  --muted: #8b93a7;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --accent: #ff962d;
  --accent-2: #ffb45c;
  --ok: #2ee59d;
  --danger: #ff6b7a;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
  --radius: 20px;
  --font: "IBM Plex Sans", system-ui, sans-serif;
  --display: "Manrope", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1000px 520px at 8% -8%, rgba(255, 150, 45, 0.18), transparent 58%),
    radial-gradient(800px 480px at 100% 0%, rgba(46, 229, 157, 0.08), transparent 52%),
    radial-gradient(700px 500px at 50% 120%, rgba(80, 110, 255, 0.08), transparent 55%),
    linear-gradient(180deg, #0b0d14 0%, #0e121b 100%);
  background-attachment: fixed;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { color: #ffd19a; }

.page { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.35rem 0 1rem;
}
.brand { display: flex; gap: .9rem; align-items: center; }
.brand strong {
  display: block;
  font-family: var(--display);
  font-size: 1.02rem;
  letter-spacing: -.02em;
}
.brand small {
  color: var(--muted);
  font-size: .78rem;
  letter-spacing: .02em;
}
.mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--accent-2), var(--accent));
  color: #140d05;
  font-family: var(--display);
  font-weight: 800;
  box-shadow: 0 10px 28px rgba(255, 150, 45, 0.32);
}
.top-link {
  color: var(--ink-soft);
  font-weight: 600;
  font-size: .9rem;
  padding: .6rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  transition: border-color .2s, background .2s;
}
.top-link:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.06);
}

.shell {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto 2rem;
  display: grid;
  grid-template-columns: 1.2fr .95fr;
  gap: 1.4rem;
  align-items: stretch;
}
.shell.single {
  grid-template-columns: 1fr;
  max-width: 460px;
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(155deg, rgba(255, 150, 45, 0.08), transparent 40%),
    linear-gradient(165deg, #141824, #10141f 55%, #0d111a);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 2.1rem 2rem 2.2rem;
  box-shadow: var(--shadow);
}
.hero::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: -80px;
  bottom: -90px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 150, 45, 0.2), transparent 70%);
  pointer-events: none;
}
.eyebrow {
  margin: 0 0 .85rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: .72rem;
}
.hero h1 {
  margin: 0 0 .9rem;
  font-family: var(--display);
  font-size: clamp(1.9rem, 3.5vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: -.035em;
  max-width: 11ch;
}
.lead {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
  font-size: 1.02rem;
  max-width: 38ch;
}
.lead.center {
  text-align: center;
  color: var(--ink-soft);
  max-width: none;
}

.why {
  margin-top: 1.9rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  position: relative;
  z-index: 1;
}
.why h2 {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-size: 1rem;
  letter-spacing: -.01em;
}
.why ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}
.why li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: .7rem;
  align-items: start;
  color: var(--ink-soft);
  line-height: 1.5;
  font-size: .95rem;
  padding: .85rem .95rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
}
.why li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: .45rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(255, 150, 45, 0.15);
}
.why li strong { color: var(--ink); font-weight: 600; }
.product-note {
  margin: 1.15rem 0 0;
  padding: 1rem 1.05rem;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255, 150, 45, 0.14), rgba(255, 150, 45, 0.05));
  border: 1px solid rgba(255, 150, 45, 0.22);
  color: #ffe0b8;
  font-size: .9rem;
  line-height: 1.5;
}
.product-note.center {
  text-align: center;
  color: #ffd7a4;
}

.panel {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 28%),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 1.75rem 1.55rem 1.5rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}
.panel.focus { padding-top: 2.1rem; }
.panel-head h2 {
  margin: 0 0 .4rem;
  font-family: var(--display);
  font-size: 1.4rem;
  letter-spacing: -.025em;
}
.panel-head p { margin: 0; color: var(--muted); font-size: .95rem; }

.form { display: grid; gap: 1rem; margin-top: 1.35rem; }
label {
  display: grid;
  gap: .45rem;
  font-size: .86rem;
  color: var(--ink-soft);
  font-weight: 500;
}
input {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  padding: 1rem 1.05rem;
  font: inherit;
  background: rgba(0, 0, 0, 0.28);
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s, background .15s;
}
input::placeholder { color: #6d758a; }
input:focus {
  outline: none;
  border-color: rgba(255, 150, 45, 0.75);
  box-shadow: 0 0 0 4px rgba(255, 150, 45, 0.16);
  background: rgba(0, 0, 0, 0.4);
}
input.otp {
  text-align: center;
  font-size: 1.5rem;
  letter-spacing: .3em;
  font-weight: 700;
  font-family: var(--display);
  padding-left: 1.4rem;
}

button, .btn-secondary {
  border: 0;
  border-radius: 999px;
  padding: 1rem 1.25rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  transition: transform .15s ease, filter .15s ease, background .15s;
}
button {
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  color: #16110a;
  box-shadow: 0 14px 30px rgba(255, 150, 45, 0.28);
}
button:hover { filter: brightness(1.05); transform: translateY(-1px); }
button:active { transform: translateY(0); }
.btn-secondary {
  margin-top: 1.1rem;
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line-strong);
  color: var(--ink);
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.07); }

.fine {
  margin: 1.1rem 0 0;
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.5;
}
.mono { font-variant-numeric: tabular-nums; }

.flashes { display: grid; gap: .55rem; margin-top: 1rem; }
.flash {
  padding: .85rem 1rem;
  border-radius: 12px;
  font-size: .9rem;
  border: 1px solid var(--line);
}
.flash.error {
  background: rgba(255, 107, 122, 0.1);
  color: #ffb4bc;
  border-color: rgba(255, 107, 122, 0.28);
}
.flash.ok {
  background: rgba(46, 229, 157, 0.1);
  color: #9af5cd;
  border-color: rgba(46, 229, 157, 0.25);
}
.flash.warn {
  background: rgba(255, 150, 45, 0.1);
  color: #ffd19a;
  border-color: rgba(255, 150, 45, 0.25);
}

.success-panel { text-align: center; }
.ok-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 1.1rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(46, 229, 157, 0.12);
  border: 1px solid rgba(46, 229, 157, 0.25);
  color: var(--ok);
  font-size: 1.9rem;
  font-weight: 800;
  box-shadow: 0 0 40px rgba(46, 229, 157, 0.12);
}
.success-panel h2 {
  margin: 0 0 .55rem;
  font-family: var(--display);
  font-size: 1.55rem;
  letter-spacing: -.02em;
}
.done-list {
  text-align: left;
  margin: 1.35rem auto;
  padding: 0;
  list-style: none;
  max-width: 340px;
  color: var(--ink-soft);
}
.done-list li {
  padding: .7rem 0 .7rem 1.7rem;
  position: relative;
  border-bottom: 1px solid var(--line);
  font-size: .95rem;
}
.done-list li:last-child { border-bottom: 0; }
.done-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--ok);
  font-weight: 800;
}

.foot {
  width: min(1120px, calc(100% - 2rem));
  margin: auto auto 1.6rem;
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.5;
}
.foot p { margin: .2rem 0; }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .hero { order: 2; }
  .panel { order: 1; }
  .hero h1 { max-width: none; }
}