/* СпецСкан landing — brand tokens */
:root {
  --ink: #121820;
  --ink-soft: #3a4553;
  --paper: #eef2f5;
  --paper-2: #e2e9ef;
  --line: rgba(18, 24, 32, 0.12);
  --steel: #2f4a63;
  --steel-deep: #1c3144;
  --amber: #d97706;
  --amber-deep: #b45309;
  --white: #ffffff;
  --max: 1120px;
  --font-display: "Unbounded", "Arial Black", sans-serif;
  --font-body: "Onest", "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(217, 119, 6, 0.12), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(47, 74, 99, 0.14), transparent 50%),
    linear-gradient(180deg, #f5f7fa 0%, var(--paper) 40%, #e7edf3 100%);
  min-height: 100vh;
}

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

img {
  max-width: 100%;
  display: block;
}

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

/* Blueprint grid atmosphere */
.blueprint {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: center top;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(245, 247, 250, 0.86);
  border-bottom: 1px solid var(--line);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: var(--steel-deep);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.85rem 1.35rem;
  border-radius: 0.55rem;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 650;
  font-size: 0.98rem;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--amber) 0%, var(--amber-deep) 100%);
  color: #fff;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #e0890a 0%, #9a4208 100%);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(18, 24, 32, 0.2);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--steel);
  background: rgba(255, 255, 255, 0.55);
}

.btn-block {
  width: 100%;
}

/* Hero — one composition, full-bleed plane */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: min(92vh, 820px);
  display: grid;
  align-items: end;
  padding: 2.5rem 0 3.5rem;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(115deg, rgba(238, 242, 245, 0.2) 0%, rgba(28, 49, 68, 0.88) 48%, rgba(18, 24, 32, 0.92) 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cpath d='M0 40h160M0 80h160M0 120h160M40 0v160M80 0v160M120 0v160' stroke='%23ffffff22' stroke-width='1' fill='none'/%3E%3C/svg%3E"),
    linear-gradient(160deg, #c5d3df, #2f4a63 55%, #121820);
  background-size: auto, 120px 120px, auto;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(600px 380px at 78% 55%, rgba(217, 119, 6, 0.28), transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: end;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2.5rem;
  }
}

.brand-mark {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: #fff;
  margin: 0 0 1rem;
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
  animation: rise 0.8s ease both;
}

.brand-mark em {
  font-style: normal;
  color: #fbbf24;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: rgba(255, 255, 255, 0.96);
  margin: 0 0 0.85rem;
  max-width: 18ch;
  animation: rise 0.9s 0.08s ease both;
}

.hero-lead {
  margin: 0 0 1.6rem;
  max-width: 36ch;
  color: rgba(236, 242, 247, 0.88);
  font-size: 1.05rem;
  animation: rise 1s 0.14s ease both;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  animation: rise 1.05s 0.2s ease both;
}

.hero-visual {
  justify-self: center;
  width: min(100%, 340px);
  animation: float-in 1.1s 0.15s ease both;
}

.phone-frame {
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 1.5rem;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.04));
  padding: 0.7rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.phone-screen {
  border-radius: 1.1rem;
  overflow: hidden;
  background: #0f1720;
  aspect-ratio: 9 / 17;
  position: relative;
}

.phone-screen svg {
  width: 100%;
  height: 100%;
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-tight {
  padding: 3.25rem 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
  color: var(--steel-deep);
}

.section-lead {
  margin: 0 0 2rem;
  color: var(--ink-soft);
  max-width: 42ch;
}

.steps {
  display: grid;
  gap: 1.75rem;
}

@media (min-width: 800px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.step {
  padding-top: 0.25rem;
  border-top: 2px solid var(--steel);
}

.step-num {
  display: inline-block;
  margin-bottom: 0.85rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber-deep);
}

.step h3 {
  margin: 0 0 0.55rem;
  font-size: 1.15rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.step-icon {
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 0.85rem;
  color: var(--steel);
}

.disciplines {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1.25rem;
}

@media (min-width: 700px) {
  .disciplines {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.disc {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  align-items: start;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.disc strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}

.disc span {
  display: block;
  color: var(--ink-soft);
  font-size: 0.88rem;
  margin-top: 0.15rem;
}

.disc-ico {
  width: 2rem;
  height: 2rem;
  color: var(--steel);
}

/* Pricing — interaction containers */
.pricing {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 800px) {
  .pricing {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
}

.plan {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.5rem 1.4rem 1.35rem;
}

.plan-pro {
  background: linear-gradient(160deg, #1c3144 0%, #2f4a63 100%);
  color: #fff;
  border-color: transparent;
}

.plan-pro .muted,
.plan-pro li {
  color: rgba(236, 242, 247, 0.88);
}

.plan-label {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.55rem;
  color: var(--amber-deep);
}

.plan-pro .plan-label {
  color: #fbbf24;
}

.plan h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: -0.03em;
}

.plan .price {
  margin: 0.35rem 0 1rem;
  font-size: 1.05rem;
}

.plan ul {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.plan li {
  position: relative;
  padding-left: 1.15rem;
  margin-bottom: 0.45rem;
  color: var(--ink-soft);
}

.plan li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 1px;
  background: var(--amber);
}

.muted {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* FAQ */
.faq {
  display: grid;
  gap: 0.75rem;
}

.faq details {
  border-top: 1px solid var(--line);
  padding: 0.95rem 0;
}

.faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  cursor: pointer;
  font-weight: 650;
  list-style: none;
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq details p {
  margin: 0.65rem 0 0;
  color: var(--ink-soft);
  max-width: 62ch;
}

/* Legal pages */
.legal-hero {
  padding: 3rem 0 1.5rem;
}

.legal-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
  color: var(--steel-deep);
}

.legal-content {
  padding-bottom: 4rem;
  max-width: 72ch;
}

.legal-content h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 2rem 0 0.6rem;
  letter-spacing: -0.02em;
}

.legal-content p,
.legal-content li {
  color: var(--ink-soft);
}

.legal-content ul {
  padding-left: 1.2rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.45);
  padding: 2rem 0 2.5rem;
}

.footer-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
    align-items: start;
  }
}

.site-footer a {
  color: var(--steel);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.site-footer .copy {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float-in {
  from {
    opacity: 0;
    transform: translateY(28px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}