:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #eef3f8;
  --surface-dark: #0d1a2d;
  --surface-dark-2: #12233d;
  --text: #152033;
  --muted: #5d6c82;
  --line: rgba(21, 32, 51, 0.1);
  --brand: #b10000;
  --brand-dark: #7a0000;
  --brand-soft: #fff1f1;
  --accent: #0d66dc;
  --success: #16c784;
  --shadow-lg: 0 24px 60px rgba(14, 24, 40, 0.14);
  --shadow-md: 0 16px 34px rgba(14, 24, 40, 0.1);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --gutter: clamp(20px, 3vw, 42px);
  --content-max: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(177, 0, 0, 0.06), transparent 24%),
    linear-gradient(180deg, #fbfcfe 0%, #f0f4f9 100%);
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
  position: fixed;
  inset: 0;
  width: 100%;
  overscroll-behavior: none;
}

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

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

.container {
  width: 100%;
  padding-inline: var(--gutter);
}

.shell {
  width: min(100%, var(--content-max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 10px 0;
  backdrop-filter: blur(14px);
  background: rgba(248, 250, 253, 0.72);
  border-bottom: 1px solid rgba(21, 32, 51, 0.05);
}

.header-shell {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas: "brand right toggle";
  align-items: center;
  gap: 18px;
  padding: 12px 18px 14px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.97) 0%, rgba(247, 250, 255, 0.95) 100%);
  border: 1px solid rgba(21, 32, 51, 0.08);
  box-shadow: 0 18px 40px rgba(21, 32, 51, 0.09), inset 0 1px 0 rgba(255, 255, 255, 0.78);
}

.header-shell::before {
  content: "";
  position: absolute;
  inset: 0 20px auto 20px;
  height: 1px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(13, 28, 52, 0.06) 0%, rgba(13, 28, 52, 0.18) 50%, rgba(13, 28, 52, 0.06) 100%);
}

.brand {
  grid-area: brand;
  display: flex;
  align-items: center;
  min-width: 0;
}

.brand img {
  width: 250px;
  object-fit: contain;
}

.header-right {
  grid-area: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  min-width: 0;
}

.header-contact {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
  width: 100%;
}

.header-contact a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(13, 28, 52, 0.04);
  border: 1px solid rgba(21, 32, 51, 0.08);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.header-contact a:hover,
.header-contact a:focus-visible {
  background: var(--brand-soft);
  color: var(--brand-dark);
  outline: none;
  transform: translateY(-1px);
  box-shadow: 0 12px 22px rgba(21, 32, 51, 0.08);
}

.header-contact-icon {
  width: 16px;
  height: 16px;
  color: var(--brand-dark);
  flex: 0 0 auto;
}

.header-contact-icon svg,
.icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
  display: block;
}

.nav-toggle {
  grid-area: toggle;
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  background: var(--brand);
  color: #ffffff;
  font-size: 1.2rem;
  cursor: pointer;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(177, 0, 0, 0.12);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
  padding: 0;
  background: transparent;
}

.nav-menu a {
  position: relative;
  padding: 10px 14px;
  font-size: 0.92rem;
  font-weight: 700;
  color: rgba(21, 32, 51, 0.84);
  transition: color 0.2s ease, transform 0.2s ease;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  border-radius: 999px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

.nav-menu a:hover,
.nav-menu a:focus-visible,
.nav-menu a.is-active {
  color: var(--brand-dark);
  outline: none;
}

.nav-menu a:hover::after,
.nav-menu a:focus-visible::after,
.nav-menu a.is-active::after {
  transform: scaleX(1);
}

.nav-drawer-head,
.nav-drawer-brand,
.nav-drawer-copy,
.nav-drawer-footer,
.nav-overlay {
  display: none;
}

main section {
  padding: 88px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-head {
  max-width: 920px;
  margin-bottom: 28px;
}

.section-head h1,
.section-head h2 {
  margin: 16px 0 12px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
  color: var(--text);
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-home {
  padding: 0;
}

.hero-home .container,
.hero-home .shell {
  width: 100%;
  max-width: none;
  padding-inline: 0;
}

.hero-home-shell {
  position: relative;
  overflow: hidden;
  min-height: 520px;
  padding: 22px;
  background:
    linear-gradient(180deg, rgba(13, 28, 52, 0.62) 0%, rgba(13, 28, 52, 0.72) 100%),
    linear-gradient(90deg, rgba(9, 16, 29, 0.78) 0%, rgba(9, 16, 29, 0.4) 42%, rgba(9, 16, 29, 0.58) 100%),
    url("images/platform.png");
  background-size: cover;
  background-position: 72% center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-lg);
}

.hero-home-shell::before,
.hero-home-shell::after {
  content: "";
  position: absolute;
  inset: 18px;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-home-shell::before {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 28%);
}

.hero-home-shell::after {
  inset: auto auto 42px 50%;
  width: 42%;
  height: 140px;
  transform: translateX(-50%);
  border: 0;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 68%);
  filter: blur(8px);
}

.hero-home-grid {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-height: 476px;
  text-align: center;
  padding: 10px var(--gutter);
}

.hero-home-copy {
  max-width: 1120px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  background: rgba(13, 28, 52, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 14px 26px rgba(0, 0, 0, 0.18);
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 800;
  backdrop-filter: blur(12px);
}

.hero-badge::before {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 6px rgba(22, 199, 132, 0.16);
}

.hero-title {
  margin: 26px 0 0;
  font-size: clamp(3.2rem, 8vw, 6.1rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
  color: #ffffff;
  text-wrap: balance;
}

.hero-title span {
  color: #dce9ff;
}

.hero-description {
  max-width: 980px;
  margin: 20px auto 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 0 24px;
  border: 0;
  border-radius: 18px;
  font: inherit;
  font-size: 0.98rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  outline: none;
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, #0d66dc 0%, #1d79f2 100%);
  color: #ffffff;
  box-shadow: 0 20px 32px rgba(13, 102, 220, 0.22);
}

.btn-secondary {
  background: rgba(239, 243, 250, 0.92);
  color: #18304d;
  border: 2px solid rgba(176, 195, 217, 0.86);
  box-shadow: 0 18px 32px rgba(10, 25, 50, 0.14);
}

.page-hero {
  padding-top: 34px;
}

.page-hero-shell {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: 48px 42px;
  background:
    linear-gradient(180deg, rgba(13, 28, 52, 0.84), rgba(13, 28, 52, 0.92)),
    url("images/platform.png");
  background-size: cover;
  background-position: center;
  color: #ffffff;
  box-shadow: var(--shadow-lg);
}

.page-hero-shell::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.page-hero-copy {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.page-hero-copy h1 {
  margin: 16px 0 14px;
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  line-height: 1.02;
  color: #ffffff;
}

.page-hero-copy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.06rem;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 24px;
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.05fr);
  gap: 28px;
  align-items: stretch;
}

.section-card,
.feature-card,
.process-card,
.band-card,
.contact-card,
.table-row,
.timeline-card,
.mini-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-md);
}

.section-card,
.feature-card,
.process-card,
.band-card,
.contact-card,
.mini-card {
  padding: 28px;
}

.section-card h3,
.feature-card h3,
.process-card h3,
.band-card h3,
.contact-card h3,
.mini-card h3 {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 1.25rem;
}

.section-card p,
.feature-card p,
.process-card p,
.band-card p,
.contact-card p,
.mini-card p {
  margin: 0;
  color: var(--muted);
}

.media-card {
  position: relative;
  overflow: hidden;
  min-height: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  box-shadow: var(--shadow-md);
}

.media-card img {
  width: 100%;
  height: 100%;
  min-height: 480px;
  object-fit: cover;
  object-position: center;
}

.feature-kicker {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--brand);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.soft-section {
  background: linear-gradient(180deg, #f7faff 0%, #eef3fb 100%);
}

.dark-section .section-card,
.dark-panel {
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.08), transparent 24%),
    linear-gradient(180deg, #07192f 0%, #0d2341 100%);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.08);
}

.dark-panel h2,
.dark-panel h3,
.dark-panel p,
.dark-panel li,
.dark-panel .feature-kicker,
.dark-panel strong,
.dark-panel span {
  color: inherit;
}

.spec-list,
.bullet-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.bullet-list li,
.spec-list li {
  position: relative;
  padding-left: 18px;
  color: var(--text);
  font-weight: 600;
}

.bullet-list li::before,
.spec-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
}

.spec-grid {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.spec-item {
  display: grid;
  grid-template-columns: minmax(140px, auto) 1fr;
  gap: 16px;
  align-items: center;
  padding: 20px;
  border-radius: 18px;
  background: rgba(127, 157, 199, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.spec-item strong {
  color: #ff7f87;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1;
}

.spec-item span {
  color: rgba(255, 255, 255, 0.9);
}

.image-card {
  overflow: hidden;
  border-radius: 22px;
  background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: 0 16px 34px rgba(12, 24, 44, 0.06);
}

.image-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.image-card-body {
  padding: 22px;
}

.band-card {
  background: linear-gradient(180deg, #07192f 0%, #102641 100%);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.08);
}

.band-card h3,
.band-card p {
  color: inherit;
}

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

.table-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.52fr) minmax(0, 1.48fr);
  align-items: stretch;
  overflow: hidden;
  padding: 0;
}

.table-row strong,
.table-row span {
  padding: 18px 20px;
}

.table-row strong {
  background: #f2f4f8;
  color: var(--brand);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.table-row span {
  color: #23354d;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  top: 10px;
  height: 2px;
  background: linear-gradient(90deg, #10233d 0%, #10233d 70%, #d22222 100%);
}

.timeline-card {
  position: relative;
  padding: 28px 0 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.timeline-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #0f2037;
  border: 4px solid #ffffff;
  box-shadow: 0 0 0 2px rgba(15, 32, 55, 0.12);
  z-index: 1;
}

.timeline-card.current::before {
  background: #d22222;
}

.timeline-card strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
  font-size: 1.05rem;
}

.timeline-card em {
  display: block;
  margin-bottom: 10px;
  font-style: normal;
  color: #d22222;
  font-size: 0.98rem;
  font-weight: 800;
}

.timeline-card p {
  margin: 0;
  color: #23354d;
}

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

.step-row {
  display: grid;
  grid-template-columns: 78px minmax(130px, 0.36fr) minmax(0, 1.64fr);
  align-items: stretch;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: #ffffff;
  box-shadow: 0 12px 24px rgba(12, 24, 44, 0.05);
}

.step-no {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #cb1f1f 0%, #e02e2e 100%);
  color: #ffffff;
  font-size: 2rem;
  font-weight: 800;
}

.step-title,
.step-copy {
  padding: 22px 18px;
}

.step-title {
  display: flex;
  align-items: center;
  background: #f5f7fb;
  color: var(--text);
  font-size: 1.02rem;
  font-weight: 800;
  text-transform: uppercase;
}

.step-copy {
  display: flex;
  align-items: center;
  color: #23354d;
}

.notice-card {
  padding: 24px 24px 24px 28px;
  border-left: 6px solid #d22222;
  border-radius: 18px;
  background: linear-gradient(180deg, #f7f8fb 0%, #eef2f7 100%);
  border: 1px solid rgba(18, 39, 68, 0.08);
  box-shadow: 0 14px 30px rgba(12, 24, 44, 0.05);
}

.notice-card h3 {
  margin: 0 0 10px;
  color: #d22222;
  text-transform: uppercase;
  font-size: 1.14rem;
}

.notice-card p {
  margin: 0;
  color: #24374f;
}

.form-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
  gap: 28px;
}

form {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

label {
  display: grid;
  gap: 10px;
  font-weight: 700;
  color: var(--text);
}

input,
textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(21, 32, 51, 0.14);
  border-radius: 14px;
  font: inherit;
  color: var(--text);
  background: #fcfdff;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(177, 0, 0, 0.16);
  border-color: rgba(177, 0, 0, 0.4);
}

.contact-points {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.contact-point {
  padding: 16px;
  border-radius: 16px;
  background: var(--surface-soft);
}

.contact-point strong {
  display: block;
  margin-bottom: 4px;
  color: var(--brand-dark);
}

.site-footer {
  padding: 0 0 40px;
}

.footer-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(180px, 0.8fr) minmax(220px, 0.95fr);
  gap: 30px;
  padding: 38px 34px 26px;
  border-radius: 30px;
  background:
    radial-gradient(circle at top right, rgba(242, 162, 79, 0.14), transparent 26%),
    linear-gradient(180deg, #0b1730 0%, #11233f 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 30px 60px rgba(8, 17, 39, 0.18);
  color: rgba(255, 255, 255, 0.78);
}

.footer-brand {
  max-width: 460px;
}

.footer-brand img {
  width: 220px;
  margin-bottom: 16px;
}

.footer-kicker {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.88);
}

.footer-brand h3 {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.1;
  color: #ffffff;
}

.footer-brand p {
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.footer-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.88rem;
  font-weight: 700;
}

.footer-block {
  padding: 18px 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-block h3 {
  margin: 0 0 16px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.82);
}

.footer-links,
.footer-contact {
  display: grid;
  gap: 12px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.76);
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-links a::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(242, 162, 79, 0.92);
  flex: 0 0 auto;
  box-shadow: 0 0 0 5px rgba(242, 162, 79, 0.12);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #ffffff;
  outline: none;
  transform: translateX(2px);
}

.footer-contact-item {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-contact-item strong {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.56);
}

.footer-contact-item span {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 700;
}

.footer-bottom {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding-top: 20px;
  margin-top: 6px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.72);
}

.footer-actions {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  position: fixed;
  left: 50%;
  bottom: 22px;
  z-index: 1150;
  padding: 10px;
  border-radius: 999px;
  background: rgba(8, 17, 39, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 40px rgba(8, 17, 39, 0.24);
  backdrop-filter: blur(12px);
  transform: translateX(-50%);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

body.nav-open .footer-actions {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 14px);
}

.footer-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.footer-action:hover,
.footer-action:focus-visible {
  outline: none;
  transform: translateY(-2px);
  background: rgba(242, 162, 79, 0.12);
  border-color: rgba(242, 162, 79, 0.28);
}

.footer-action svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

@media (max-width: 1080px) {
  .grid-4,
  .grid-3,
  .grid-2,
  .split-layout,
  .form-grid,
  .footer-shell,
  .timeline {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 780px) {
  main section {
    padding: 72px 0;
  }

  .header-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas: "brand toggle";
    align-items: center;
    padding: 14px 16px;
    gap: 12px;
    border-radius: 22px;
  }

  .brand img {
    width: min(220px, 100%);
  }

  .header-right {
    display: contents;
  }

  .header-contact {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(3, 10, 22, 0.62);
    backdrop-filter: blur(10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    z-index: 1100;
  }

  .nav-overlay.open {
    display: block;
    opacity: 1;
    pointer-events: auto;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1200;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: min(420px, 100%);
    max-width: 100%;
    height: 100svh;
    padding: 20px 22px 22px;
    background:
      radial-gradient(circle at top right, rgba(242, 162, 79, 0.16), transparent 28%),
      linear-gradient(180deg, #081325 0%, #0c1c34 100%);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: -28px 0 60px rgba(8, 17, 39, 0.26);
    transform: translateX(100%);
    transition: transform 0.28s ease;
    overflow: hidden;
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .nav-drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 18px;
    margin-bottom: 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .nav-drawer-brand {
    display: inline-flex;
    align-items: center;
    max-width: calc(100% - 58px);
    color: #ffffff;
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }

  .nav-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    color: #ffffff;
    font-size: 1.35rem;
    cursor: pointer;
  }

  .nav-drawer-copy {
    display: grid;
    gap: 8px;
    margin-bottom: 18px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    text-align: center;
  }

  .nav-drawer-kicker {
    color: rgba(242, 162, 79, 0.92);
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }

  .nav-drawer-copy p {
    margin: 0;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.96rem;
  }

  .nav-menu a {
    padding: 18px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.94);
    text-align: center;
    font-size: 1.08rem;
    font-weight: 800;
  }

  .nav-menu a::after {
    display: none;
  }

  .nav-menu a:hover,
  .nav-menu a:focus-visible,
  .nav-menu a.is-active {
    color: rgba(242, 162, 79, 0.96);
  }

  .nav-drawer-footer {
    display: grid;
    gap: 12px;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .nav-drawer-footer a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 16px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.88);
    background: rgba(255, 255, 255, 0.05);
    font-size: 0.92rem;
    font-weight: 700;
    text-align: center;
  }

  .hero-home-shell {
    min-height: 440px;
    padding: 18px;
  }

  .hero-home-grid {
    min-height: 404px;
    padding-inline: 16px;
  }

  .hero-badge {
    min-height: 46px;
    padding: 0 16px;
    font-size: 0.82rem;
  }

  .hero-title {
    font-size: clamp(2.8rem, 14vw, 4.2rem);
  }

  .hero-actions .btn,
  .btn {
    width: 100%;
  }

  .page-hero-shell,
  .section-card,
  .feature-card,
  .process-card,
  .band-card,
  .contact-card,
  .mini-card {
    padding: 22px;
  }

  .media-card img {
    min-height: 340px;
  }

  .spec-item,
  .table-row,
  .step-row {
    grid-template-columns: 1fr;
  }

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

  .footer-actions {
    left: 50%;
    bottom: 14px;
    padding: 8px;
  }

  .footer-action {
    width: 42px;
    height: 42px;
  }
}
