:root {
  --ink: #f8fbff;
  --text: #e6edf8;
  --muted: #aeb9cc;
  --soft: #0b1222;
  --paper: #1f2a3d;
  --line: #35465f;
  --blue: #60a5fa;
  --blue-strong: #2f6bef;
  --teal: #34d399;
  --amber: #facc15;
  --rose: #fb6b73;
  --field: #111a2d;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, #070d1c 0%, var(--soft) 52%, #18367f 130%)
    fixed;
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.55;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 180ms ease;
}

button,
input,
textarea {
  font: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  inset: 16px 20px auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 10px 12px;
  color: #ffffff;
  border: 1px solid rgba(96, 165, 250, 0.24);
  border-radius: 8px;
  background: rgba(11, 18, 34, 0.76);
  backdrop-filter: blur(18px);
}

.site-header.is-scrolled {
  background: rgba(11, 18, 34, 0.96);
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.34);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 850;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(180deg, #60a5fa 0%, #2563eb 100%);
  color: #081120;
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 0 24px rgba(96, 165, 250, 0.36);
}

.brand-text {
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: rgba(230, 237, 248, 0.82);
  font-size: 14px;
  font-weight: 700;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--blue);
}

.nav-cta {
  border: 1px solid rgba(96, 165, 250, 0.38);
  border-radius: 8px;
  padding: 9px 12px;
  background: rgba(96, 165, 250, 0.1);
  color: #dbeafe;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 0;
  border-radius: 8px;
  background: rgba(96, 165, 250, 0.14);
  color: #dbeafe;
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: min(720px, 84svh);
  overflow: hidden;
  color: #ffffff;
  background: #0b1222;
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("assets/hero-study.png?v=20260510");
  background-position: center;
  background-size: cover;
  filter: saturate(0.85) contrast(1.08);
  opacity: 0.88;
  transform: scale(1.01);
}

.hero-shade {
  background:
    linear-gradient(
      90deg,
      rgba(7, 13, 28, 0.96) 0%,
      rgba(11, 18, 34, 0.86) 48%,
      rgba(30, 58, 138, 0.48) 100%
    ),
    linear-gradient(180deg, rgba(7, 13, 28, 0.12), rgba(30, 58, 138, 0.78));
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  width: min(1160px, calc(100% - 40px));
  min-height: min(720px, 84svh);
  margin: 0 auto;
  padding: 126px 0 58px;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(48px, 8vw, 104px);
  line-height: 0.96;
  font-weight: 900;
}

.hero-lead {
  max-width: 710px;
  margin: 26px 0 0;
  color: rgba(230, 237, 248, 0.88);
  font-size: clamp(18px, 2vw, 23px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 8px;
  padding: 13px 18px;
  font-weight: 850;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button svg,
.nav-toggle svg,
.feature-card svg,
.check-list svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

.button-primary {
  background: var(--blue);
  color: #071225;
  box-shadow: 0 16px 36px rgba(96, 165, 250, 0.28);
}

.button-secondary {
  border: 1px solid rgba(96, 165, 250, 0.42);
  background: rgba(96, 165, 250, 0.1);
  color: #dbeafe;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(720px, 100%);
  gap: 10px;
  margin: 44px 0 0;
}

.hero-facts div {
  min-width: 0;
  border: 1px solid rgba(96, 165, 250, 0.2);
  border-radius: 8px;
  padding: 14px;
  background: rgba(31, 42, 61, 0.74);
}

.hero-facts dt {
  font-size: 20px;
  font-weight: 900;
}

.hero-facts dd {
  margin: 2px 0 0;
  color: rgba(174, 185, 204, 0.9);
  font-size: 13px;
}

.summary-band {
  padding: 54px 0;
  background: rgba(11, 18, 34, 0.92);
}

.summary-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.section {
  padding: 84px 0;
}

section[id] {
  scroll-margin-top: 96px;
}

h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.08;
}

h3,
p {
  margin-top: 0;
}

.summary-grid p,
.access-copy p,
.screens-head p,
.contact-layout p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
}

.section-head {
  max-width: 760px;
  margin-bottom: 34px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  background: var(--paper);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03);
}

.feature-card svg {
  margin-bottom: 26px;
  color: var(--blue);
}

.feature-card:nth-child(2) svg {
  color: var(--teal);
}

.feature-card:nth-child(3) svg {
  color: var(--amber);
}

.feature-card:nth-child(4) svg {
  color: var(--rose);
}

.feature-card h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 20px;
}

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

.trust-section {
  background: #0e1729;
}

.trust-layout {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 58px;
  align-items: start;
}

.process-list {
  display: grid;
  gap: 12px;
}

.process-list article {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: start;
  border: 1px solid rgba(52, 211, 153, 0.22);
  border-radius: 8px;
  padding: 18px;
  background: rgba(31, 42, 61, 0.86);
}

.process-list span {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 8px;
  background: var(--teal);
  color: #062016;
  font-weight: 900;
}

.process-list h3 {
  margin-bottom: 5px;
  color: var(--ink);
}

.process-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.access-section {
  background: rgba(11, 18, 34, 0.96);
}

.access-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 54px;
  align-items: center;
}

.access-copy {
  max-width: 690px;
}

.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
}

.check-list svg {
  color: var(--teal);
}

.access-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.pricing-label {
  display: inline-flex;
  margin-bottom: 18px;
  border-radius: 8px;
  padding: 6px 10px;
  background: rgba(96, 165, 250, 0.14);
  color: var(--blue);
  font-size: 13px;
  font-weight: 850;
}

.access-panel h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 28px;
  line-height: 1.15;
}

.price-line {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 12px;
}

.price-line strong {
  color: var(--ink);
  font-size: 40px;
  line-height: 1;
}

.price-line span,
.pricing-note {
  color: var(--muted);
  font-size: 14px;
}

.pricing-text {
  color: var(--muted);
}

.pricing-note {
  margin: 12px 0 0;
}

.access-panel .button-primary {
  width: 100%;
  background: var(--blue);
  color: #071225;
  box-shadow: 0 14px 30px rgba(96, 165, 250, 0.22);
}

.button-dark {
  min-height: 44px;
  border: 0;
  background: var(--teal);
  color: #061c14;
  cursor: pointer;
  box-shadow: 0 14px 30px rgba(52, 211, 153, 0.18);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
}

.access-form {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.access-form label {
  color: var(--ink);
  font-size: 14px;
  font-weight: 850;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.field-row input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  background: var(--field);
  color: var(--ink);
  outline: none;
}

.field-row input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.14);
}

.access-status {
  display: grid;
  gap: 5px;
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: var(--field);
}

.access-status strong {
  color: var(--ink);
}

.access-status span {
  color: var(--muted);
  font-size: 14px;
}

.access-status-success {
  border-color: rgba(52, 211, 153, 0.36);
  background: rgba(52, 211, 153, 0.1);
}

.access-status-warning {
  border-color: rgba(250, 204, 21, 0.42);
  background: rgba(250, 204, 21, 0.11);
}

.access-status-error {
  border-color: rgba(251, 107, 115, 0.42);
  background: rgba(251, 107, 115, 0.1);
}

.access-status-info {
  border-color: rgba(96, 165, 250, 0.3);
  background: rgba(96, 165, 250, 0.1);
}

.access-actions {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.link-button {
  width: fit-content;
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--blue);
  cursor: pointer;
  font-weight: 800;
}

.is-hidden {
  display: none !important;
}

.screens-section {
  background: #0b1222;
}

.screens-head {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 32px;
  max-width: none;
  align-items: end;
}

.screens-grid {
  display: grid;
  grid-template-columns: 1.05fr repeat(3, 0.72fr);
  gap: 14px;
  align-items: end;
}

.phone-shot {
  min-width: 0;
  margin: 0;
  border: 1px solid rgba(96, 165, 250, 0.2);
  border-radius: 8px;
  padding: 8px;
  background: rgba(31, 42, 61, 0.82);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
}

.phone-shot img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top;
  border-radius: 6px;
  background: #080d1c;
}

.phone-shot:not(.phone-shot-large) img {
  max-height: 520px;
}

.phone-shot figcaption {
  padding: 10px 4px 3px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 850;
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 48px;
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

summary {
  cursor: pointer;
  padding: 20px;
  color: var(--ink);
  font-weight: 850;
}

details p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--muted);
}

.contact-section {
  background:
    linear-gradient(180deg, #0b1222 0%, #172f73 100%);
  color: #ffffff;
}

.contact-section h2 {
  color: #ffffff;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 0.78fr;
  gap: 46px;
  align-items: center;
}

.contact-layout p {
  color: rgba(230, 237, 248, 0.76);
}

.contact-actions {
  display: grid;
  gap: 16px;
  justify-items: end;
}

.contact-actions .button-primary {
  background: var(--blue);
  color: #071225;
}

.contact-actions span {
  color: rgba(174, 185, 204, 0.9);
  font-weight: 700;
}

.site-footer {
  padding: 26px 0;
  background: #071022;
  color: var(--muted);
  border-top: 1px solid rgba(96, 165, 250, 0.16);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 14px;
}

.footer-inner span:first-child {
  color: var(--ink);
  font-weight: 850;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 18px;
}

.footer-links a {
  color: var(--blue);
  font-weight: 750;
}

.legal-main {
  padding: 126px 0 76px;
}

.legal-hero {
  padding: 52px 0 30px;
}

.legal-hero .button {
  width: fit-content;
}

.legal-kicker {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.legal-title {
  max-width: 860px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(36px, 6vw, 68px);
  line-height: 0.96;
  letter-spacing: 0;
}

.legal-lead {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--text);
  font-size: 18px;
}

.legal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 14px;
}

.legal-meta span {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  background: var(--paper);
}

.legal-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 28px;
  align-items: start;
}

.legal-card,
.legal-toc,
.legal-note {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.24);
}

.legal-card {
  padding: clamp(24px, 4vw, 46px);
}

.legal-card section + section {
  margin-top: 34px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.legal-card h2 {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: 26px;
  line-height: 1.15;
}

.legal-card h3 {
  margin: 24px 0 10px;
  color: var(--ink);
  font-size: 18px;
}

.legal-card p,
.legal-card li {
  color: var(--text);
}

.legal-card p {
  margin: 0 0 12px;
}

.legal-card ul,
.legal-card ol {
  margin: 0;
  padding-left: 22px;
}

.legal-card li + li {
  margin-top: 8px;
}

.legal-card a {
  color: var(--blue);
  font-weight: 750;
}

.requisites-list {
  display: grid;
  gap: 10px;
  margin: 0 0 18px;
}

.requisites-list div {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: var(--field);
}

.requisites-list dt {
  color: var(--muted);
  font-weight: 750;
}

.requisites-list dd {
  margin: 0;
  color: var(--ink);
  font-weight: 800;
}

.legal-sidebar {
  position: sticky;
  top: 112px;
  display: grid;
  gap: 16px;
}

.legal-toc,
.legal-note {
  padding: 20px;
}

.legal-toc strong,
.legal-note strong {
  display: block;
  margin-bottom: 12px;
  color: var(--ink);
}

.legal-toc a {
  display: block;
  padding: 8px 0;
  color: var(--muted);
  font-weight: 700;
}

.legal-note {
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 980px) {
  .site-header {
    inset: 10px 12px auto;
  }

  .nav-toggle {
    display: grid;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    display: none;
    width: min(300px, calc(100vw - 24px));
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border: 1px solid rgba(96, 165, 250, 0.24);
    border-radius: 8px;
    padding: 8px;
    background: rgba(11, 18, 34, 0.98);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    border-radius: 8px;
    padding: 12px;
  }

  .nav-cta {
    border-color: rgba(96, 165, 250, 0.24);
  }

  .summary-grid,
  .trust-layout,
  .access-layout,
  .screens-head,
  .faq-layout,
  .contact-layout,
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .legal-sidebar {
    position: static;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .screens-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .phone-shot-large {
    grid-row: auto;
  }

  .access-panel {
    max-width: 480px;
  }

  .contact-actions {
    justify-items: start;
  }
}

@media (max-width: 640px) {
  .container,
  .hero-content {
    width: min(100% - 28px, 1160px);
  }

  .hero {
    min-height: 86svh;
  }

  .hero-media {
    background-position: 72% center;
    opacity: 0.52;
    transform: scale(1.05);
  }

  .hero-shade {
    background:
      linear-gradient(
        90deg,
        rgba(7, 13, 28, 0.98) 0%,
        rgba(7, 13, 28, 0.92) 64%,
        rgba(30, 58, 138, 0.56) 100%
      ),
      linear-gradient(180deg, rgba(7, 13, 28, 0.18), rgba(30, 58, 138, 0.7));
  }

  .hero-content {
    min-height: 86svh;
    padding-top: 112px;
    padding-bottom: 42px;
  }

  .brand-text {
    max-width: 170px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .hero h1 {
    font-size: 52px;
  }

  .hero-actions,
  .hero-actions .button,
  .access-panel .button,
  .contact-actions .button {
    width: 100%;
  }

  .field-row {
    grid-template-columns: 1fr;
  }

  .hero-facts {
    grid-template-columns: 1fr;
    margin-top: 30px;
  }

  .section {
    padding: 62px 0;
  }

  .summary-band {
    padding: 44px 0;
  }

  .feature-grid,
  .screens-grid {
    grid-template-columns: 1fr;
  }

  .process-list article {
    grid-template-columns: 40px 1fr;
    padding: 16px;
  }

  .process-list span {
    width: 40px;
    height: 40px;
  }

  .phone-shot:not(.phone-shot-large) img {
    max-height: none;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .requisites-list div {
    grid-template-columns: 1fr;
  }
}