:root {
  --brand-orange: #faa406;
  --ink: #131417;
  --ink-soft: #3f4042;
  --cloud: #e9eeef;
  --white: #fdfdfd;
  --blue: #346eab;
  --blue-soft: #93b7d7;
  --glass-bg: rgba(253, 253, 253, 0.14);
  --glass-border: rgba(255, 255, 255, 0.28);
  --shadow: 0 15px 35px rgba(19, 20, 23, 0.28);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--white);
  background:
    linear-gradient(180deg, rgba(11, 18, 30, 0.46) 0%, rgba(11, 18, 30, 0.12) 40%, rgba(11, 18, 30, 0) 100%),
    radial-gradient(circle at 15% 12%, #426998 0%, #2f5985 40%, #1f3f63 100%);
  min-height: 100vh;
  line-height: 1.5;
}

a {
  color: var(--white);
}

.container {
  width: min(1180px, 92vw);
  margin-inline: auto;
}

.bg-glow {
  position: fixed;
  width: 38rem;
  height: 38rem;
  border-radius: 50%;
  filter: blur(90px);
  z-index: -1;
  pointer-events: none;
}

.bg-glow-top {
  background: rgba(250, 164, 6, 0.28);
  top: -14rem;
  left: -8rem;
}

.bg-glow-bottom {
  background: rgba(22, 208, 226, 0.22);
  right: -10rem;
  bottom: -15rem;
}

.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  margin: 1rem auto;
  width: min(1240px, 96vw);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.2rem;
  padding: 0.8rem 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.logo-mark {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.32);
  box-shadow: 0 6px 18px rgba(19, 20, 23, 0.35);
}

.brand-text strong {
  display: block;
  font-size: 1rem;
}

.brand-text small {
  color: rgba(253, 253, 253, 0.82);
}

.header-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.header-nav a {
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
}

.header-actions {
  display: flex;
  gap: 0.8rem;
  align-items: center;
}

.phone-link {
  text-decoration: none;
  font-weight: 700;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

.hero-content,
.hero-art {
  padding: 1.4rem;
}

.eyebrow {
  color: rgba(253, 253, 253, 0.84);
  margin-top: 0;
}

h1,
h2,
h3 {
  margin: 0 0 0.8rem;
  font-family: "Orbitron", sans-serif;
  line-height: 1.2;
}

h1 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

h2 {
  font-size: clamp(1.5rem, 2vw, 2rem);
}

.hero-lead {
  font-size: 1.05rem;
  max-width: 62ch;
}

.hero-note {
  color: rgba(253, 253, 253, 0.85);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1rem 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 800;
  text-decoration: none;
  padding: 0.75rem 1rem;
  color: var(--ink);
  background: linear-gradient(135deg, #ffbf3f, #f89d00);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(250, 164, 6, 0.42);
  filter: brightness(1.05);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.36);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.7);
  color: var(--white);
}

.btn-small {
  padding: 0.58rem 0.85rem;
  font-size: 0.9rem;
}

.hero-list {
  margin: 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.4rem;
}

.art-stack {
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.art-stack img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(19, 20, 23, 0.28);
}

.art-main {
  max-height: 430px;
  object-fit: contain;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(19, 20, 23, 0.15));
}

.art-tiles {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.55rem;
}

.art-tiles img {
  aspect-ratio: 1 / 1;
  object-fit: contain;
  padding: 0.2rem;
}

.section {
  margin-top: 2.8rem;
}

.section-head {
  margin-bottom: 1rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.card {
  padding: 1.2rem;
}

#mission .card + .card {
  margin-top: 1rem;
}

.flow-card ol {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.35rem;
}

.video-card p {
  margin-top: 0;
}

.promo-video {
  display: block;
  width: 80%;
  max-height: 448px;
  margin-inline: auto;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(19, 20, 23, 0.5);
}

.steps {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(4, 1fr);
}

.step {
  padding: 1rem;
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
}

.step span {
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: var(--ink);
  background: var(--brand-orange);
  flex-shrink: 0;
}

.important-note {
  margin-top: 1rem;
  padding: 0.85rem;
  border-left: 4px solid var(--brand-orange);
  background: rgba(0, 0, 0, 0.22);
  border-radius: 10px;
}

.pricing-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.tariff {
  padding: 1.2rem;
}

.featured {
  border-color: rgba(250, 164, 6, 0.75);
  box-shadow: 0 16px 36px rgba(250, 164, 6, 0.25);
}

.price {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffcb66;
}

.tariff ul,
.card ul {
  margin-top: 0;
  padding-left: 1.2rem;
}

.rule-box {
  margin-top: 1rem;
  padding: 1rem 1.2rem;
}

.warning {
  border-color: rgba(250, 164, 6, 0.82);
}

.small-note {
  color: rgba(253, 253, 253, 0.75);
}

.benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}

.faq-list {
  padding: 1rem;
}

details {
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.7rem 0;
}

summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::before {
  content: "";
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.2rem;
  border-radius: 0.28rem;
  flex-shrink: 0;
  background: linear-gradient(135deg, #ffc23f 0%, #faa406 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
  clip-path: polygon(34% 23%, 34% 77%, 76% 50%);
}

.faq-list details[open] summary::before {
  clip-path: polygon(23% 34%, 77% 34%, 50% 76%);
}

.docs-list {
  display: grid;
  gap: 0.7rem;
}

.doc-link {
  padding: 1rem;
  text-decoration: none;
  font-weight: 700;
}

.contact-card p {
  margin: 0.35rem 0;
}

.form {
  display: grid;
  gap: 0.75rem;
}

.form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  padding: 0.7rem;
  font: inherit;
}

input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.66);
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(250, 164, 6, 0.6);
  border-color: transparent;
}

.checkbox-row {
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 0.6rem;
}

.form-message {
  min-height: 1.2rem;
  margin: 0;
  font-weight: 700;
}

.form-message.ok {
  color: #9ce2b0;
}

.form-message.error {
  color: #ffd5d5;
}

.site-footer {
  margin-top: 2.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(19, 20, 23, 0.35);
}

.footer-inner {
  padding: 1rem 0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 1080px) {
  .hero,
  .grid-2,
  .pricing-grid,
  .benefits {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .art-stack {
    grid-template-columns: 1fr;
  }

  .art-main {
    max-height: 360px;
  }

  .art-tiles {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .art-main {
    max-height: 300px;
  }

  .art-tiles {
    grid-template-columns: repeat(2, 1fr);
  }

  .art-tiles img:nth-child(n + 3) {
    display: none;
  }

  .promo-video {
    width: 100%;
    max-height: 380px;
  }

  .header-inner {
    grid-template-columns: auto auto 1fr;
  }

  .header-actions {
    justify-self: end;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--white);
  }

  .header-nav {
    position: absolute;
    top: 100%;
    left: 2vw;
    right: 2vw;
    padding: 1rem;
    background: rgba(22, 31, 45, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 14px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
  }

  .header-nav.open {
    display: flex;
  }

  .header-actions {
    display: none;
  }

  .steps {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-content,
  .hero-art,
  .section {
    animation: fade-up 700ms ease both;
  }

  .hero-art {
    animation-delay: 120ms;
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
