:root {
  --purple-950: #24103a;
  --purple-900: #32134f;
  --purple-800: #4d1d78;
  --purple-700: #6529a0;
  --purple-600: #7c3bc0;
  --purple-500: #9658d5;
  --purple-200: #dcc9ef;
  --purple-100: #f0e7f8;
  --purple-50: #faf7fd;
  --ink: #201a27;
  --muted: #6d6574;
  --line: #e4dce9;
  --surface: #ffffff;
  --surface-soft: #f8f5fa;
  --success: #247a50;
  --shadow-sm: 0 10px 30px rgba(52, 25, 76, 0.08);
  --shadow-lg: 0 28px 80px rgba(52, 25, 76, 0.18);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

button,
input,
select,
textarea {
  font: inherit;
}

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

img {
  max-width: 100%;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.93);
  border-bottom: 1px solid rgba(228, 220, 233, 0.8);
  backdrop-filter: blur(16px);
}

.nav-wrap {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: white;
  background: linear-gradient(135deg, var(--purple-800), var(--purple-500));
  border-radius: 14px;
  font-weight: 800;
  letter-spacing: -0.04em;
  box-shadow: 0 8px 18px rgba(101, 41, 160, 0.24);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 0.98rem;
  line-height: 1.25;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.72rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: #4c4352;
  font-size: 0.92rem;
  font-weight: 600;
}

.main-nav a:hover {
  color: var(--purple-700);
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

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

.button-small {
  min-height: 42px;
  padding-inline: 18px;
  font-size: 0.88rem;
}

.button-primary {
  color: white;
  background: linear-gradient(135deg, var(--purple-800), var(--purple-600));
  box-shadow: 0 12px 24px rgba(101, 41, 160, 0.2);
}

.button-primary:hover {
  box-shadow: 0 16px 30px rgba(101, 41, 160, 0.28);
}

.button-secondary {
  color: var(--purple-800);
  background: var(--purple-100);
}

.button-outline {
  color: var(--purple-800);
  border-color: var(--purple-200);
  background: white;
}

.button-light {
  color: var(--purple-900);
  background: white;
}

.button-full {
  width: 100%;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 95px 0 105px;
  background:
    radial-gradient(circle at 76% 22%, rgba(150, 88, 213, 0.18), transparent 30%),
    linear-gradient(180deg, #fff 0%, var(--purple-50) 100%);
}

.hero::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  left: -260px;
  bottom: -320px;
  border: 70px solid rgba(124, 59, 192, 0.06);
  border-radius: 50%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.03fr 0.97fr;
  align-items: center;
  gap: 72px;
}

.eyebrow {
  display: inline-block;
  color: var(--purple-700);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 18px 0 22px;
  font-size: clamp(2.65rem, 5vw, 4.65rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

.hero-lead {
  max-width: 665px;
  margin: 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  color: #514859;
  font-size: 0.87rem;
  font-weight: 600;
}

.trust-list li::before {
  content: "✓";
  margin-right: 8px;
  color: var(--success);
  font-weight: 800;
}

.hero-visual {
  position: relative;
  min-height: 480px;
  display: grid;
  place-items: center;
}

.envelope-card {
  position: relative;
  width: min(100%, 550px);
  aspect-ratio: 1.56 / 1;
  overflow: hidden;
  padding: 38px;
  color: white;
  background:
    linear-gradient(160deg, rgba(255,255,255,0.11), transparent 30%),
    linear-gradient(135deg, #5c238f, #7c3bc0 54%, #512079);
  border: 1px solid rgba(255,255,255,0.34);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  transform: rotate(-3deg);
}

.envelope-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
  background-size: 16px 16px;
  pointer-events: none;
}

.envelope-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.52rem;
  letter-spacing: 0.05em;
}

.permit {
  text-align: right;
  line-height: 1.25;
}

.recipient-block {
  position: absolute;
  left: 38%;
  top: 46%;
  display: flex;
  flex-direction: column;
  font-size: clamp(0.55rem, 1.25vw, 0.82rem);
  letter-spacing: 0.08em;
  line-height: 1.55;
}

.barcode {
  position: absolute;
  left: 38%;
  bottom: 28%;
  height: 33px;
  display: flex;
  align-items: flex-end;
  gap: 2px;
}

.barcode span {
  width: 2px;
  height: 20px;
  display: block;
  background: rgba(255,255,255,0.92);
}

.barcode span:nth-child(3n) {
  height: 31px;
}

.barcode span:nth-child(4n) {
  height: 13px;
}

.barcode span:nth-child(7n) {
  height: 25px;
}

.envelope-seal {
  position: absolute;
  inset: auto -8% -42% -8%;
  height: 65%;
  border-top: 1px solid rgba(255,255,255,0.22);
  transform: rotate(-3deg);
}

.stat-card {
  position: absolute;
  min-width: 165px;
  padding: 16px 18px;
  background: rgba(255,255,255,0.95);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
}

.stat-card strong,
.stat-card span {
  display: block;
}

.stat-card strong {
  color: var(--purple-800);
  font-size: 1.15rem;
}

.stat-card span {
  color: var(--muted);
  font-size: 0.72rem;
}

.stat-card-one {
  left: -2%;
  bottom: 11%;
}

.stat-card-two {
  top: 11%;
  right: -2%;
}

.service-strip {
  color: white;
  background: var(--purple-950);
}

.service-strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.service-strip-grid > div {
  min-height: 112px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  border-right: 1px solid rgba(255,255,255,0.11);
}

.service-strip-grid > div:last-child {
  border-right: 0;
}

.service-strip strong {
  font-size: 0.95rem;
}

.service-strip span {
  color: rgba(255,255,255,0.65);
  font-size: 0.78rem;
}

.section {
  padding: 105px 0;
}

.section-muted {
  background: var(--surface-soft);
}

.section-heading {
  max-width: 730px;
  margin-bottom: 48px;
}

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2 {
  margin: 12px 0 14px;
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.feature-card {
  min-height: 300px;
  padding: 30px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(52, 25, 76, 0.035);
}

.feature-number {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  color: var(--purple-700);
  background: var(--purple-100);
  border-radius: 14px;
  font-size: 0.82rem;
  font-weight: 800;
}

.feature-card h3 {
  margin: 35px 0 12px;
  font-size: 1.18rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.process-step {
  min-height: 270px;
  padding: 34px;
  background: white;
}

.process-step > span {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  color: white;
  background: var(--purple-800);
  border-radius: 50%;
  font-weight: 800;
}

.process-step h3 {
  margin: 48px 0 10px;
  font-size: 1.05rem;
}

.process-step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.order-section {
  background:
    radial-gradient(circle at 100% 30%, rgba(124, 59, 192, 0.08), transparent 25%),
    white;
}

.order-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 370px;
  align-items: start;
  gap: 32px;
}

.form-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: white;
  box-shadow: var(--shadow-sm);
}

.form-section {
  margin: 0;
  padding: 34px;
  border: 0;
  border-bottom: 1px solid var(--line);
}

.form-section:last-child {
  border-bottom: 0;
}

.form-section legend {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 28px;
  padding: 0;
  font-size: 1.08rem;
  font-weight: 800;
}

.form-section legend span {
  width: 32px;
  height: 32px;
  display: inline-grid;
  place-items: center;
  color: white;
  background: var(--purple-800);
  border-radius: 50%;
  font-size: 0.76rem;
}

.form-grid {
  display: grid;
  gap: 22px;
}

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

label {
  color: #3e3545;
  font-size: 0.84rem;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  margin-top: 8px;
  color: var(--ink);
  background: white;
  border: 1px solid #d9cfe0;
  border-radius: 12px;
  outline: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease;
}

input,
select {
  height: 50px;
  padding: 0 14px;
}

textarea {
  resize: vertical;
  padding: 14px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--purple-500);
  box-shadow: 0 0 0 4px rgba(124, 59, 192, 0.1);
}

label small {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.71rem;
  font-weight: 500;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.option-card {
  min-height: 104px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 12px;
  padding: 18px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 14px;
  cursor: pointer;
}

.option-card:has(input:checked) {
  background: var(--purple-50);
  border-color: var(--purple-300, #c8afe2);
  box-shadow: inset 0 0 0 1px rgba(124,59,192,0.08);
}

.option-card input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--purple-700);
}

.option-card span,
.option-card strong,
.option-card small {
  display: block;
}

.option-card strong {
  color: var(--ink);
  font-size: 0.85rem;
}

.option-card small {
  margin-top: 4px;
  line-height: 1.35;
}

.option-card b {
  color: var(--purple-800);
  font-size: 0.73rem;
  white-space: nowrap;
}

.upload-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.upload-box {
  position: relative;
  min-height: 165px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  background: var(--purple-50);
  border: 1px dashed #b99bd7;
  border-radius: 16px;
  cursor: pointer;
}

.upload-box:hover {
  background: var(--purple-100);
}

.upload-box input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.upload-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 12px;
  color: var(--purple-800);
  background: white;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  font-size: 1.3rem;
}

.upload-box strong {
  font-size: 0.86rem;
}

.upload-box small {
  margin-top: 4px;
}

.full-width {
  display: block;
  margin-top: 22px;
}

.agreement {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 22px;
  color: var(--muted);
  line-height: 1.45;
  font-size: 0.77rem;
  font-weight: 500;
}

.agreement input {
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--purple-700);
}

.summary-sticky {
  position: sticky;
  top: 105px;
  padding: 30px;
  color: white;
  background:
    radial-gradient(circle at 100% 0%, rgba(255,255,255,0.1), transparent 28%),
    var(--purple-950);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.summary-sticky .eyebrow {
  color: #cfaeea;
}

.summary-sticky h3 {
  margin: 8px 0 24px;
  font-size: 1.55rem;
}

.summary-line {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
  color: rgba(255,255,255,0.72);
  border-bottom: 1px solid rgba(255,255,255,0.11);
  font-size: 0.82rem;
}

.summary-line strong {
  color: white;
}

.service-summary:empty {
  display: none;
}

.summary-total {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 18px;
  padding: 24px 0 10px;
}

.summary-total span {
  color: rgba(255,255,255,0.74);
  font-size: 0.8rem;
}

.summary-total strong {
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.summary-note,
.secure-note {
  color: rgba(255,255,255,0.58);
  font-size: 0.69rem;
  line-height: 1.5;
}

.summary-note {
  margin: 0 0 22px;
}

.secure-note {
  margin: 14px 0 0;
  text-align: center;
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 70px;
}

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

details {
  padding: 22px 24px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 14px;
}

summary {
  cursor: pointer;
  font-weight: 750;
}

details p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.87rem;
}

.cta-section {
  padding: 0 0 90px;
  background: var(--surface-soft);
}

.cta-card {
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 52px;
  color: white;
  background:
    radial-gradient(circle at 85% 20%, rgba(255,255,255,0.13), transparent 25%),
    linear-gradient(135deg, var(--purple-950), var(--purple-700));
  border-radius: var(--radius-lg);
}

.cta-card .eyebrow {
  color: #d8bcea;
}

.cta-card h2 {
  max-width: 700px;
  margin: 10px 0 0;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.site-footer {
  padding: 65px 0 26px;
  color: rgba(255,255,255,0.68);
  background: #170b24;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 48px;
}

.footer-grid > div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.78rem;
}

.footer-grid > div:first-child {
  padding-right: 50px;
}

.footer-grid strong {
  color: white;
}

.footer-brand {
  color: white;
  margin-bottom: 8px;
}

.footer-brand small {
  color: rgba(255,255,255,0.5);
}

.footer-grid p {
  margin: 0;
}

.footer-grid a:hover {
  color: white;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  margin-top: 45px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.72rem;
}

dialog {
  width: min(calc(100% - 32px), 500px);
  padding: 0;
  border: 0;
  border-radius: 22px;
  box-shadow: var(--shadow-lg);
}

dialog::backdrop {
  background: rgba(21, 9, 32, 0.68);
  backdrop-filter: blur(4px);
}

.dialog-content {
  position: relative;
  padding: 42px;
  text-align: center;
}

.dialog-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 36px;
  height: 36px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.5rem;
}

.dialog-icon {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  margin: 0 auto 18px;
  color: white;
  background: var(--success);
  border-radius: 50%;
  font-size: 1.5rem;
}

.dialog-content h2 {
  margin: 0 0 10px;
}

.dialog-content p {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 1020px) {
  .main-nav {
    display: none;
  }

  .hero-grid,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 780px;
  }

  .hero-visual {
    min-height: 430px;
  }

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

  .order-layout {
    grid-template-columns: 1fr;
  }

  .summary-sticky {
    position: static;
  }

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

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 26px), var(--container));
  }

  .site-header .button-outline {
    display: none;
  }

  .hero {
    padding: 68px 0 75px;
  }

  .hero h1 {
    font-size: 2.65rem;
  }

  .hero-visual {
    min-height: 330px;
  }

  .envelope-card {
    padding: 24px;
    border-radius: 18px;
  }

  .recipient-block,
  .barcode {
    left: 33%;
  }

  .barcode {
    transform: scale(0.72);
    transform-origin: left bottom;
  }

  .stat-card {
    display: none;
  }

  .service-strip-grid,
  .card-grid,
  .process-grid,
  .two-columns,
  .option-grid,
  .upload-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .service-strip-grid > div {
    min-height: 90px;
    border-right: 0;
    border-bottom: 1px solid rgba(255,255,255,0.11);
  }

  .section {
    padding: 74px 0;
  }

  .feature-card,
  .process-step {
    min-height: auto;
  }

  .process-step h3 {
    margin-top: 25px;
  }

  .form-section {
    padding: 25px 20px;
  }

  .option-card {
    grid-template-columns: auto 1fr;
  }

  .option-card b {
    grid-column: 2;
  }

  .cta-card {
    min-height: 0;
    align-items: flex-start;
    flex-direction: column;
    padding: 36px 26px;
    border-radius: 22px;
  }

  .footer-grid > div:first-child {
    padding-right: 0;
  }

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