:root {
  --bg: #f3f6fa;
  --bg-soft: #e7eef6;
  --white: #ffffff;
  --ink: #0e1726;
  --muted: #516074;
  --line: #d5deea;
  --navy: #10243f;
  --navy-deep: #0a1830;
  --sapphire: #1d5bd6;
  --sapphire-deep: #1547ad;
  --ice: #dce8f8;
  --mist: #f7f9fc;
  --danger: #9f2d3a;
  --sans: "Manrope", "Segoe UI", sans-serif;
  --header: 72px;
  --wrap: 1120px;
  --shadow: 0 16px 40px rgba(16, 36, 63, 0.08);
  --radius: 14px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.6;
  font-weight: 500;
}

::selection {
  background: #d5e4fb;
  color: var(--navy);
}

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

a {
  color: inherit;
}

h1,
h2,
h3,
p,
dl,
dd {
  margin: 0;
}

h1,
h2,
h3 {
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.08;
}

h1 {
  font-size: clamp(3.3rem, 6.6vw, 5.6rem);
  line-height: 1.02;
}

h2 {
  font-size: clamp(2.05rem, 3.6vw, 3.15rem);
}

h3 {
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--navy);
  color: white;
  padding: 0.6rem 0.9rem;
  z-index: 20;
}

.skip:focus {
  top: 1rem;
}

.wrap {
  width: min(var(--wrap), calc(100% - 2.4rem));
  margin-inline: auto;
}

.kicker {
  margin: 0 0 0.85rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sapphire);
}

.announcement {
  background: var(--navy-deep);
  color: #d5e0ee;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.65rem 1rem;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header);
  padding: 0 4vw;
  background: rgba(247, 249, 252, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.12rem;
  color: var(--navy);
}

.mark {
  width: 1.45rem;
  height: 1.45rem;
  display: block;
  flex: none;
}

.nav {
  display: flex;
  gap: 1.6rem;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.96rem;
  font-weight: 600;
}

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

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: white;
  color: var(--navy);
  font: 600 0.95rem var(--sans);
  padding: 0.45rem 0.8rem;
  border-radius: 8px;
}

.hero {
  padding: 4.8rem 0 4rem;
  background:
    radial-gradient(ellipse 70% 80% at 100% 0%, rgba(29, 91, 214, 0.1), transparent 58%),
    var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.78fr);
  gap: 3.5rem;
  align-items: end;
}

.lede {
  max-width: 38rem;
  margin-top: 1.25rem;
  font-size: 1.22rem;
  font-weight: 500;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  background: var(--navy);
  color: white;
  font: 700 0.98rem var(--sans);
  padding: 0.9rem 1.25rem;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(16, 36, 63, 0.16);
}

.button:hover {
  background: var(--sapphire);
}

.button:disabled {
  opacity: 0.7;
  cursor: progress;
}

.form .button {
  width: 100%;
  box-shadow: none;
}

.text-link {
  color: var(--sapphire-deep);
  font-weight: 700;
  text-underline-offset: 0.22em;
}

.ledger {
  background: var(--navy);
  color: #f4f7fb;
  padding: 1.45rem 1.4rem 1.25rem;
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.ledger-label,
.ledger-note {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ledger-bar {
  display: grid;
  grid-template-columns: 30% 70%;
  gap: 0.4rem;
  margin: 0.95rem 0 1.25rem;
}

.ledger-bar span {
  display: flex;
  align-items: center;
  border-radius: 10px;
  padding: 1.15rem 0.75rem;
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}

.ledger-bar span:first-child {
  background: var(--ice);
  color: var(--navy);
}

.ledger-bar span:last-child {
  background: var(--sapphire);
  color: white;
}

.ledger dl {
  display: grid;
  gap: 0.95rem;
  margin: 0;
}

.ledger dt {
  font-weight: 700;
}

.ledger dd {
  color: #c5d2e3;
  font-size: 0.95rem;
  font-weight: 500;
}

.ledger-note {
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(220, 232, 248, 0.18);
  color: #dce8f8;
  letter-spacing: 0.04em;
  text-transform: none;
  line-height: 1.45;
  font-weight: 600;
}

section[id] {
  scroll-margin-top: 5.5rem;
}

.intro,
.seats,
.flow,
.delivery,
.fit,
.contact {
  padding: 5.2rem 0;
}

.section-head {
  margin-bottom: 2.4rem;
}

.intro {
  background: white;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.intro-grid,
.section-head,
.delivery-grid,
.fit-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 2rem;
}

.intro p:last-child,
.delivery-grid > div p,
.fit p,
.contact-grid > div p {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 1.12rem;
  font-weight: 500;
  max-width: 40rem;
}

.seat-grid {
  display: grid;
  grid-template-columns: 3fr 7fr;
  gap: 1rem;
}

.seat {
  border-radius: var(--radius);
  padding: 1.45rem 1.4rem 1.35rem;
  min-height: 100%;
  box-shadow: var(--shadow);
}

.seat header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.seat header strong {
  font-size: 2.15rem;
  letter-spacing: -0.04em;
  line-height: 1;
  text-transform: none;
}

.seat h3 {
  margin-bottom: 0.9rem;
}

.seat ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.7rem;
  font-weight: 500;
}

.seat-foot {
  margin-top: 1.35rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.seat-client {
  background: white;
  border: 1px solid var(--line);
  color: var(--ink);
}

.seat-client header {
  color: var(--sapphire-deep);
}

.seat-eng {
  background: linear-gradient(165deg, #16315a 0%, var(--navy) 48%, var(--navy-deep) 100%);
  color: #f4f7fb;
}

.seat-eng header {
  color: #b9cff3;
}

.seat-eng .seat-foot {
  color: #c5d2e3;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.steps li {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.1rem 1.25rem;
  box-shadow: 0 8px 24px rgba(16, 36, 63, 0.04);
}

.steps span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--ice);
  color: var(--sapphire-deep);
  font-size: 0.78rem;
  font-weight: 700;
}

.steps h3 {
  margin: 0.9rem 0 0.45rem;
}

.steps p {
  color: var(--muted);
  margin: 0;
  font-weight: 500;
  font-size: 0.98rem;
}

.flow {
  background:
    linear-gradient(180deg, var(--bg-soft), var(--bg));
}

.offerings {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.offerings li {
  background: white;
  border: 1px solid var(--line);
  border-top: 3px solid var(--sapphire);
  border-radius: 12px;
  padding: 1.15rem 1.15rem 1.25rem;
  box-shadow: 0 10px 24px rgba(16, 36, 63, 0.05);
}

.offerings h3 {
  margin-bottom: 0.4rem;
}

.offerings p,
.fit-cards p {
  color: var(--muted);
  font-weight: 500;
}

.fit {
  background:
    radial-gradient(ellipse 50% 80% at 0% 100%, rgba(29, 91, 214, 0.28), transparent 60%),
    var(--navy);
  color: #f4f7fb;
}

.fit .kicker {
  color: #9ebcf2;
}

.fit-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.fit-cards article {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(220, 232, 248, 0.18);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.fit-cards p {
  color: #c9d6e6;
  margin-top: 0.65rem;
}

.contact {
  background: var(--bg);
}

.studio-mail {
  display: grid;
  gap: 0.25rem;
  width: fit-content;
  max-width: 100%;
  margin-top: 1.35rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: white;
  color: var(--navy);
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(16, 36, 63, 0.05);
}

.studio-mail span {
  color: var(--sapphire);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.studio-mail:hover {
  border-color: var(--sapphire);
  color: var(--sapphire-deep);
}

.contact-points {
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
  color: var(--ink);
  font-weight: 600;
}

.contact-points li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.contact-points li::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 2px;
  background: var(--sapphire);
  transform: rotate(45deg);
  flex: none;
}

.form {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.4rem;
  display: grid;
  gap: 0.95rem;
  box-shadow: var(--shadow);
}

.field {
  display: grid;
  gap: 0.35rem;
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.field label,
.field legend {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy);
}

input,
textarea {
  width: 100%;
  border: 1px solid #c5d0de;
  background: var(--mist);
  color: var(--ink);
  font: 500 1rem var(--sans);
  border-radius: 8px;
  padding: 0.75rem 0.8rem;
}

textarea {
  resize: vertical;
  min-height: 9rem;
}

input:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--sapphire);
  outline-offset: 2px;
}

input:focus,
textarea:focus {
  border-color: var(--sapphire);
  background: white;
}

.choice {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.18rem 0;
  font-weight: 600;
  color: var(--ink);
}

.choice input {
  width: auto;
  accent-color: var(--sapphire);
}

.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.is-invalid input,
.is-invalid textarea {
  border-color: var(--danger);
  background: #fff7f7;
}

.error {
  min-height: 0;
  margin: 0;
  color: var(--danger);
  font-size: 0.88rem;
  font-weight: 600;
}

.error:empty {
  display: none;
}

.form-status {
  margin: 0 0 0.85rem;
  padding: 0.95rem 1rem;
  border-radius: 12px;
  font-weight: 600;
}

.form-status.is-success {
  background: #e7f0ff;
  color: var(--navy);
}

.form-status.is-error {
  background: #fdecee;
  color: var(--danger);
}

.fine {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 500;
}

.honeypot {
  position: absolute;
  left: -9999px;
  height: 0;
  overflow: hidden;
}

.footer {
  background: var(--navy-deep);
  color: #c5d2e3;
  padding: 1.35rem 0 1.5rem;
  font-size: 0.92rem;
  font-weight: 600;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-row p:first-child {
  color: white;
  font-weight: 700;
}

@media (max-width: 900px) {
  .announcement {
    letter-spacing: 0.04em;
    line-height: 1.45;
  }

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

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--mist);
    border-bottom: 1px solid var(--line);
    padding: 0.3rem 4vw 0.85rem;
  }

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

  .nav a {
    padding: 0.85rem 0;
    border-top: 1px solid var(--line);
  }

  .hero-grid,
  .intro-grid,
  .section-head,
  .delivery-grid,
  .fit-grid,
  .contact-grid,
  .seat-grid,
  .steps,
  .offerings,
  .fit-cards,
  .pair {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(2.8rem, 13vw, 4rem);
  }

  .hero {
    padding-top: 2.6rem;
  }

  .intro,
  .seats,
  .flow,
  .delivery,
  .fit,
  .contact {
    padding: 3.4rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}