:root {
  --bg: #08080b;
  --panel: #111118;
  --panel-2: #171720;
  --text: #f8f8fb;
  --muted: #b8b8c7;
  --red: #e02a26;
  --red-dark: #a91f1c;
  --line: rgba(255,255,255,0.12);
  --gold: #f7c85f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: radial-gradient(circle at top left, rgba(224,42,38,0.22), transparent 36%), var(--bg);
  color: var(--text);
  line-height: 1.5;
}

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

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

header {
  border-bottom: 1px solid var(--line);
  background: rgba(8,8,11,0.82);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 900;
  letter-spacing: -0.04em;
  font-size: 1.35rem;
}

.logo span {
  color: var(--red);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform .2s ease, background .2s ease;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--red);
  color: white;
  box-shadow: 0 14px 36px rgba(224,42,38,0.35);
}

.btn-primary:hover {
  background: var(--red-dark);
}

.btn-secondary {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255,255,255,0.04);
}

.hero {
  padding: 30px 0 10px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold);
  font-weight: 800;
  font-size: .88rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 16px;
}

h1 {
  font-size: clamp(3rem, 7vw, 6.2rem);
  line-height: .9;
  letter-spacing: -0.075em;
  margin: 0 0 24px;
  max-width: 780px;
}

.hero p {
  color: var(--muted);
  font-size: 1.2rem;
  max-width: 610px;
  margin: 0 0 34px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}

.note {
  color: var(--muted);
  font-size: .95rem;
  margin-top: 18px;
}

.demo-card {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 18px;
  box-shadow: 0 32px 90px rgba(0,0,0,.45);
}

.demo-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: .88rem;
  margin-bottom: 12px;
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.mock-img {
  aspect-ratio: 1 / 1.22;
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.02)),
    radial-gradient(circle at 50% 28%, #6d3d36 0 12%, transparent 13%),
    radial-gradient(circle at 50% 43%, #1f1f27 0 19%, transparent 20%),
    linear-gradient(135deg, #252535, #101017);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.1);
}

.mock-img:after {
  content: attr(data-label);
  position: absolute;
  left: 10px;
  bottom: 10px;
  font-size: .72rem;
  font-weight: 800;
  background: rgba(0,0,0,.5);
  border: 1px solid rgba(255,255,255,.12);
  padding: 6px 9px;
  border-radius: 999px;
}

.mock-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

section {
  padding: 14px 0;
}

.section-head {
  max-width: 720px;
  margin-bottom: 34px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.055em;
  margin: 0 0 14px;
}

.section-head p {
  color: var(--muted);
  font-size: 1.08rem;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature,
.price-card,
.steps li {
  background: rgba(255,255,255,0.045);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
}

.feature h3,
.price-card h3 {
  margin: 0 0 10px;
  font-size: 1.25rem;
}

.feature p,
.price-card p,
.steps p {
  margin: 0;
  color: var(--muted);
}

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  counter-reset: step;
}

.steps li {
  position: relative;
}

.steps li:before {
  counter-increment: step;
  content: counter(step);
  display: inline-flex;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--red);
  align-items: center;
  justify-content: center;
  font-weight: 900;
  margin-bottom: 18px;
}

.pricing {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  align-items: stretch;
}

.price-card.featured {
  border-color: rgba(224,42,38,.7);
  box-shadow: 0 0 0 1px rgba(224,42,38,.28), 0 28px 80px rgba(224,42,38,.16);
}

.price {
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -0.05em;
  margin: 18px 0;
}

.price span {
  font-size: 1rem;
  color: var(--muted);
  letter-spacing: 0;
  font-weight: 700;
}

ul.clean {
  padding: 0;
  list-style: none;
  margin: 22px 0 26px;
}

ul.clean li {
  padding: 9px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  color: var(--muted);
}

.final-cta {
  text-align: center;
  background: linear-gradient(135deg, rgba(224,42,38,.22), rgba(255,255,255,.04));
  border: 1px solid var(--line);
  border-radius: 32px;
  padding: 54px 28px;
}

.final-cta p {
  max-width: 620px;
  margin: 0 auto 26px;
  color: var(--muted);
  font-size: 1.1rem;
}

footer {
  padding: 34px 0;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: .92rem;
}

@media (max-width: 850px) {
  .hero-grid,
  .features,
  .steps,
  .pricing {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 60px;
  }

  .nav-actions .btn-secondary {
    display: none;
  }

  h1 {
    font-size: 3.4rem;
  }
}

.seo-text {
  max-width: 860px;
  margin: 36px 0 0;
  color: var(--muted);
  font-size: 1rem;
}

.faq {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.faq-item {
  background: rgba(255,255,255,0.045);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
}

.faq-item h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 850px) {
  .faq {
    grid-template-columns: 1fr;
  }
}

.auth-section {
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: center;
  padding: 70px 0;
}

.auth-wrap {
  display: flex;
  justify-content: center;
}

.auth-card {
  width: min(540px, 100%);
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 34px;
  box-shadow: 0 32px 90px rgba(0,0,0,.45);
}

.auth-card h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  margin-bottom: 18px;
}

.auth-copy {
  color: var(--muted);
  margin: 0 0 26px;
}

.auth-form {
  display: grid;
  gap: 12px;
}

.auth-form label {
  font-weight: 800;
  margin-top: 8px;
}

.auth-form input {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  padding: 15px 16px;
  font-size: 1rem;
  outline: none;
}

.auth-form input:focus {
  border-color: rgba(224,42,38,.75);
  box-shadow: 0 0 0 4px rgba(224,42,38,.15);
}

.auth-form .btn {
  margin-top: 16px;
  width: 100%;
}

.alert {
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 20px;
  font-weight: 700;
}

.alert.error {
  background: rgba(224,42,38,.14);
  border: 1px solid rgba(224,42,38,.5);
  color: #ffd9d8;
}

.auth-footer {
  margin-top: 22px;
  color: var(--muted);
  text-align: center;
}

.auth-footer a {
  color: var(--text);
  font-weight: 900;
}