:root {
  --navy: #061a37;
  --navy-2: #0b2347;
  --white: #ffffff;
  --paper: #f4f7fb;
  --line: #d9e1ee;
  --line-soft: #e9eef6;
  --text: #0d2340;
  --muted: #61738f;
  --orange: #ff5a31;
  --orange-2: #ff7b47;
  --blue: #3b6fff;
  --blue-2: #2756dc;
  --green: #bce86c;
  --shadow-xl: 0 30px 80px rgba(8, 25, 52, 0.16);
  --shadow-md: 0 18px 40px rgba(8, 25, 52, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at top right, rgba(59, 111, 255, 0.08), transparent 24%),
    linear-gradient(180deg, #f8fafe 0%, #eef3f9 100%);
  color: var(--text);
  font-family: "Manrope", system-ui, sans-serif;
}

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

button,
input,
select {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px max(20px, calc((100vw - 1200px) / 2));
  background: rgba(6, 26, 55, 0.94);
  backdrop-filter: blur(16px);
}

.brand {
  font-family: "Space Grotesk", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.06em;
  color: var(--white);
}

.brand span {
  color: var(--orange);
}

.desktop-nav {
  display: flex;
  gap: 34px;
  margin-left: auto;
}

.desktop-nav a,
.footer-links a,
.footer-meta a {
  font-size: 0.95rem;
  font-weight: 600;
}

.desktop-nav a {
  color: rgba(255, 255, 255, 0.78);
}

.desktop-nav a:hover,
.footer-links a:hover,
.footer-meta a:hover {
  color: var(--white);
}

.header-cta,
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  border: 0;
  border-radius: 12px;
  padding: 15px 22px;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-2) 100%);
  color: var(--white);
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 14px 30px rgba(255, 90, 49, 0.22);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.header-cta:hover,
.primary-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(255, 90, 49, 0.28);
}

.desktop-only {
  display: inline-flex;
}

.menu-toggle {
  display: none;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: var(--white);
}

.mobile-menu {
  position: sticky;
  top: 92px;
  z-index: 25;
  display: grid;
  gap: 10px;
  margin: 0 16px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  background: rgba(9, 28, 59, 0.98);
  box-shadow: var(--shadow-xl);
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu a {
  color: var(--white);
  font-weight: 700;
}

.hero-shell {
  padding: 22px 20px 0;
}

.hero,
.page-frame,
.site-footer {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px;
  gap: 40px;
  min-height: 520px;
  padding: 66px 52px 128px;
  border-radius: 32px 32px 0 0;
  background:
    radial-gradient(circle at 82% 30%, rgba(59, 111, 255, 0.28), transparent 28%),
    radial-gradient(circle at 15% 15%, rgba(255, 90, 49, 0.08), transparent 20%),
    linear-gradient(135deg, #071b38 0%, #081f41 60%, #07182f 100%);
  color: var(--white);
}

.hero-copy h1 {
  margin: 0;
  max-width: 760px;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(3.4rem, 8vw, 5.6rem);
  line-height: 0.96;
  letter-spacing: -0.07em;
}

.hero-copy h1 em {
  color: var(--orange);
  font-style: italic;
}

.hero-copy p {
  max-width: 560px;
  margin: 26px 0 22px;
  font-size: 1.35rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.82);
}

.trust-line {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.96rem;
}

.trust-line span {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: var(--white);
}

.cost-scale {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-left: 60px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 1rem;
}

.cost-scale::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 8px;
  bottom: 8px;
  width: 10px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.44) 0%, rgba(255, 255, 255, 0.18) 100%);
}

.cost-scale i {
  position: absolute;
  left: 7px;
  top: 25%;
  width: 32px;
  height: 32px;
  border: 7px solid var(--orange);
  border-radius: 999px;
  background: var(--white);
}

.cost-scale .highlight {
  color: var(--blue);
  font-weight: 800;
}

.page-frame {
  margin-top: -70px;
  padding: 0 20px 26px;
}

.card {
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(223, 230, 240, 0.96);
  border-radius: 26px;
  box-shadow: var(--shadow-md);
}

.calculator-card,
.result-card {
  padding: 30px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.section-title b {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: var(--navy);
  color: var(--white);
  font-size: 0.95rem;
}

.section-title h2,
.faq-card h2,
.business-card h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.04em;
}

.section-title h2 {
  font-size: 1.65rem;
}

.calculator {
  display: grid;
  gap: 20px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

label {
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #2c4568;
}

input,
select {
  width: 100%;
  height: 56px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0 16px;
  background: var(--white);
  color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

input:focus,
select:focus {
  outline: none;
  border-color: rgba(59, 111, 255, 0.9);
  box-shadow: 0 0 0 4px rgba(59, 111, 255, 0.12);
}

.unit-field {
  position: relative;
}

.unit-field input {
  padding-right: 58px;
}

.unit-field small {
  position: absolute;
  top: 50%;
  right: 16px;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.primary-button {
  min-height: 58px;
}

.primary-button.compact {
  min-height: 54px;
  padding: 14px 20px;
}

.calculator .primary-button {
  width: min(420px, 100%);
  justify-self: center;
}

.privacy-note {
  margin: -8px 0 0;
  color: var(--muted);
  text-align: center;
  font-size: 0.88rem;
}

.form-error {
  margin: 0;
  padding: 14px 16px;
  border-radius: 14px;
  background: #fff1ec;
  color: #97361b;
  font-weight: 700;
}

.result-stack {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.result-grid,
.detail-grid,
.method-grid,
.business-grid {
  display: grid;
  gap: 18px;
}

.result-grid {
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
}

.detail-grid {
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
  margin-top: 18px;
}

.price-card,
.compare-card,
.summary-card,
.breakdown-card,
.scenario-card,
.capture-card,
.method-card,
.business-card,
.promo-card,
.faq-card {
  border: 1px solid var(--line-soft);
}

.price-card,
.compare-card,
.summary-card,
.breakdown-card,
.scenario-card,
.capture-card,
.method-card,
.business-card,
.promo-card,
.faq-card {
  padding: 24px;
  border-radius: 22px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
}

.price-card {
  display: grid;
  align-content: start;
  min-height: 100%;
  background:
    radial-gradient(circle at top right, rgba(59, 111, 255, 0.08), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
}

.price-card p,
.compare-head p,
.capture-copy p,
.method-copy p,
.promo-card p,
.business-card p {
  color: var(--muted);
}

.price-card strong {
  display: block;
  margin: 12px 0 10px;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(3rem, 7vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
  color: var(--navy);
}

.price-card span {
  display: block;
  max-width: 220px;
  font-size: 0.92rem;
  color: var(--muted);
}

.price-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.price-meta div {
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
}

.price-meta small {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.price-meta b {
  font-size: 1rem;
}

.compare-head h3,
.summary-head h3,
.breakdown-card h3,
.scenario-copy h3,
.capture-copy h3,
.promo-card h3 {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

.compare-head p {
  margin: 6px 0 18px;
  font-size: 0.88rem;
}

.compare-row,
.breakdown-row > div,
.summary-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.compare-row {
  margin-bottom: 8px;
  font-size: 0.92rem;
}

.compare-row div {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  color: var(--text);
}

.compare-row small {
  color: var(--muted);
}

.compare-row strong,
.breakdown-row strong {
  font-size: 0.96rem;
}

.bar-track {
  height: 12px;
  border-radius: 999px;
  background: #ebf0f6;
  overflow: hidden;
}

.bar-track span {
  display: block;
  width: 10%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--orange) 0%, #ffc58e 100%);
  transition: width 0.45s ease;
}

.bar-track.blue span {
  background: linear-gradient(135deg, #4d85ff 0%, #2b58db 100%);
}

.bar-track.blue.strong span {
  background: linear-gradient(135deg, #376eff 0%, #1749cb 100%);
}

.bar-track.muted span {
  background: linear-gradient(135deg, #9ba9bc 0%, #6f8098 100%);
}

.bar-track.warm span {
  background: linear-gradient(135deg, var(--orange) 0%, #ff8a4b 100%);
}

.bar-track.pending {
  background: repeating-linear-gradient(-45deg, #edf1f7 0 7px, #e3e9f2 7px 14px);
}

.calculator-scope {
  max-width: 720px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
  text-align: center;
}

.compare-card .bar-track + .compare-row,
.breakdown-row + .breakdown-row {
  margin-top: 16px;
}

.compare-scale {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.summary-list {
  margin: 14px 0 0;
}

.summary-list div,
.method-list div,
.scenario-list div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
}

.summary-list div:last-child,
.method-list div:last-child,
.scenario-list div:last-child {
  border-bottom: 0;
}

.summary-list dt,
.method-list dt {
  color: var(--muted);
}

.summary-list dd,
.method-list dd {
  margin: 0;
  text-align: right;
  font-weight: 700;
}

.ghost-link {
  border: 0;
  background: none;
  color: var(--blue-2);
  font-weight: 800;
  cursor: pointer;
}

.breakdown-card h3 {
  margin-bottom: 18px;
}

.difference-card {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  background: linear-gradient(135deg, #edf3ff 0%, #e8efff 100%);
  color: var(--blue-2);
  font-weight: 800;
}

.scenario-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.95fr);
  gap: 22px;
  margin-top: 18px;
}

.scenario-copy h3 span {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.scenario-copy p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.scenario-list strong {
  font-size: 0.96rem;
}

.capture-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.95fr);
  gap: 20px;
  padding: 22px 24px;
  background:
    radial-gradient(circle at 100% 0%, rgba(59, 111, 255, 0.22), transparent 35%),
    linear-gradient(135deg, #061a37 0%, #091f3f 100%);
  color: var(--white);
}

.capture-card .primary-button {
  width: 100%;
}

.capture-copy p {
  color: rgba(255, 255, 255, 0.76);
}

.capture-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.capture-form input {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.96);
}

.method-card,
.faq-card,
.business-card,
.promo-card {
  padding: 26px;
}

.method-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  align-items: start;
}

.checks {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.checks li {
  position: relative;
  padding-left: 24px;
  line-height: 1.6;
}

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

.checks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--navy);
  font-weight: 800;
}

.method-list {
  margin: 0;
}

.source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 18px;
}

.source-links a {
  color: var(--blue-2);
  font-size: 0.92rem;
  font-weight: 700;
}

.business-grid {
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  margin-top: 18px;
}

.business-card {
  display: grid;
  gap: 20px;
  background:
    radial-gradient(circle at top right, rgba(59, 111, 255, 0.08), transparent 26%),
    linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
}

.business-card h2,
.faq-card h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.business-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.business-points div {
  display: grid;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.business-points span {
  color: var(--muted);
  line-height: 1.55;
}

.promo-card {
  display: grid;
  align-content: start;
  gap: 14px;
  background: linear-gradient(135deg, #081d3a 0%, #102a55 100%);
  color: var(--white);
}

.promo-card p {
  color: rgba(255, 255, 255, 0.78);
}

.faq-card {
  margin-top: 18px;
}

.faq-card h2 {
  margin-bottom: 10px;
}

details {
  border-top: 1px solid var(--line-soft);
}

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

summary {
  padding: 18px 0;
  cursor: pointer;
  font-weight: 800;
}

details p {
  margin: -4px 0 18px;
  color: var(--muted);
  line-height: 1.6;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto auto;
  gap: 24px;
  align-items: end;
  margin-top: 18px;
  padding: 32px 24px 42px;
  border-radius: 28px 28px 0 0;
  background: linear-gradient(135deg, #05172e 0%, #0a2145 100%);
  color: rgba(255, 255, 255, 0.84);
}

.footer-brand p {
  max-width: 340px;
  margin: 12px 0 0;
  line-height: 1.6;
}

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

.footer-meta span {
  font-size: 0.92rem;
}

@media (max-width: 980px) {
  .desktop-nav,
  .desktop-only {
    display: none;
  }

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

  .hero {
    grid-template-columns: 1fr;
    gap: 24px;
    min-height: auto;
    padding: 42px 24px 98px;
    border-radius: 26px 26px 0 0;
  }

  .cost-scale {
    flex-direction: row;
    align-items: center;
    gap: 14px;
    height: auto;
    padding: 56px 0 0;
  }

  .cost-scale::before {
    left: 8px;
    right: 8px;
    top: 16px;
    bottom: auto;
    width: auto;
    height: 10px;
  }

  .cost-scale i {
    left: 40%;
    top: 5px;
  }

  .result-grid,
  .detail-grid,
  .method-grid,
  .business-grid,
  .capture-card,
  .scenario-card {
    grid-template-columns: 1fr;
  }

  .business-points {
    grid-template-columns: 1fr;
  }

  .site-footer {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (max-width: 760px) {
  .site-header {
    padding: 16px;
  }

  .brand {
    font-size: 1.9rem;
  }

  .hero-shell {
    padding: 0 12px;
  }

  .hero-copy h1 {
    font-size: clamp(3rem, 14vw, 4.3rem);
  }

  .hero-copy p {
    margin: 18px 0 18px;
    font-size: 1.06rem;
  }

  .trust-line {
    align-items: start;
    font-size: 0.9rem;
    line-height: 1.45;
  }

  .cost-scale {
    display: none;
  }

  .page-frame {
    margin-top: -44px;
    padding: 0 12px 18px;
  }

  .card,
  .calculator-card,
  .result-card,
  .method-card,
  .business-card,
  .promo-card,
  .faq-card,
  .price-card,
  .compare-card,
  .summary-card,
  .breakdown-card,
  .scenario-card,
  .capture-card {
    border-radius: 20px;
  }

  .calculator-card,
  .result-card,
  .method-card,
  .business-card,
  .promo-card,
  .faq-card {
    padding: 18px;
  }

  .section-title {
    margin-bottom: 14px;
  }

  .section-title h2 {
    font-size: 1.32rem;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  input,
  select,
  .primary-button {
    height: 54px;
  }

  .price-card strong {
    font-size: 2.8rem;
  }

  .price-meta {
    grid-template-columns: 1fr;
  }

  .compare-row,
  .breakdown-row > div,
  .summary-head,
  .capture-form {
    align-items: start;
  }

  .capture-form {
    grid-template-columns: 1fr;
  }

  .summary-list div,
  .method-list div,
  .scenario-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .summary-list dd,
  .method-list dd {
    text-align: left;
  }

  .faq-card h2,
  .business-card h2 {
    font-size: 2rem;
  }

  .scenario-card,
  .capture-card,
  .compare-card,
  .price-card,
  .summary-card,
  .breakdown-card,
  .method-card,
  .business-card,
  .promo-card,
  .faq-card {
    padding: 18px;
  }

  .site-footer {
    margin-top: 14px;
    padding: 24px 18px 34px;
  }

  .mobile-menu {
    top: 84px;
    margin: 0 12px;
  }
}

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

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}