:root {
  --ink: #171717;
  --muted: #636363;
  --line: #dedbd4;
  --paper: #fbfaf7;
  --panel: #ffffff;
  --soft: #f1efe9;
  --accent: #1857e8;
  --accent-dark: #0c36a9;
  --green: #1e7c4e;
  --amber: #b66a00;
  --red: #b73535;
  --shadow: 0 24px 70px rgba(23, 23, 23, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
  padding: 14px clamp(20px, 4.4vw, 64px);
  background: rgba(251, 250, 247, 0.92);
  border-bottom: 1px solid rgba(222, 219, 212, 0.7);
  backdrop-filter: blur(14px);
}

.site-header,
.section,
.site-footer {
  padding-left: max(clamp(20px, 4.4vw, 64px), calc((100vw - 1240px) / 2 + 32px));
  padding-right: max(clamp(20px, 4.4vw, 64px), calc((100vw - 1240px) / 2 + 32px));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 760;
  font-size: 1.04rem;
}

.brand-mark {
  width: 20px;
  height: 20px;
  border-radius: 5px;
  background:
    linear-gradient(135deg, var(--accent) 0 49%, transparent 50%),
    linear-gradient(315deg, #67b26f 0 49%, transparent 50%),
    var(--ink);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #5b5b5b;
  font-size: 0.9rem;
}

.site-nav a {
  transition: color 160ms ease;
}

.site-nav a:hover {
  color: var(--ink);
}

.nav-cta {
  color: var(--ink) !important;
  font-weight: 680;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.section {
  padding-top: 82px;
  padding-bottom: 82px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(600px, 1.18fr) minmax(340px, 0.82fr);
  align-items: center;
  gap: clamp(30px, 4.8vw, 72px);
  min-height: calc(100vh - 68px);
  padding-top: 48px;
  padding-bottom: 64px;
}

.hero-copy,
.packet-visual {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 22px;
  font-size: clamp(2.45rem, 3.2vw, 3.35rem);
  line-height: 1.04;
  font-weight: 720;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.85rem, 3vw, 3.35rem);
  line-height: 1.06;
  font-weight: 700;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
  line-height: 1.25;
}

.hero-text,
.section-heading p,
.body-copy,
.sprint-copy p {
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.18rem);
}

.hero-text {
  max-width: 670px;
  margin-bottom: 26px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 740;
  font-size: 0.94rem;
  border: 1px solid transparent;
}

.button.primary {
  background: var(--ink);
  color: #fff;
}

.button.primary:hover {
  background: #000;
}

.button.secondary {
  border-color: var(--line);
  background: var(--panel);
}

.button.full {
  width: 100%;
}

.trust-line {
  color: var(--muted);
  font-size: 0.92rem;
}

.packet-visual {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 26px 80px rgba(23, 23, 23, 0.1);
}

.packet-topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, #ffffff 0%, #f5f7fb 100%);
}

.packet-label,
.panel-kicker {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 760;
  text-transform: uppercase;
}

.packet-topbar h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.2vw, 1.95rem);
  line-height: 1.08;
}

.status-pill {
  flex: 0 0 auto;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 780;
}

.status-pill.ready {
  color: var(--green);
  background: rgba(30, 124, 78, 0.12);
}

.packet-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 1px;
  background: var(--line);
}

.packet-panel {
  min-width: 0;
  min-height: 178px;
  padding: 20px 22px;
  background: var(--panel);
  overflow-wrap: anywhere;
}

.summary-panel {
  background: #fcfcfb;
}

.mini-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.mini-row strong {
  color: var(--ink);
}

.status-list,
.note-list,
.boundary-grid ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.status-list li,
.note-list li {
  display: flex;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(222, 219, 212, 0.75);
}

.dot {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  margin-top: 7px;
  border-radius: 50%;
}

.dot.red {
  background: var(--red);
}

.dot.amber {
  background: var(--amber);
}

.dot.green {
  background: var(--green);
}

.note-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  color: #333;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(28px, 6vw, 96px);
  border-top: 1px solid var(--line);
}

.body-copy p {
  max-width: 760px;
}

.section-heading {
  max-width: 840px;
  margin-bottom: 36px;
}

.section-heading.compact {
  max-width: 760px;
}

.output-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.output-card {
  min-height: 202px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.output-card span {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--accent-dark);
  font-weight: 760;
}

.output-card p {
  color: var(--muted);
}

.sprint-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 440px);
  gap: clamp(28px, 6vw, 96px);
  align-items: center;
  background: #eef1ec;
}

.sprint-box {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.sprint-line {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.sprint-line span {
  color: var(--muted);
}

.sprint-line strong {
  text-align: right;
}

.sprint-box .button {
  margin-top: 18px;
}

.workflow-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 26px 0 18px;
  max-width: 760px;
}

.workflow-strip div {
  min-height: 92px;
  padding: 16px;
  border: 1px solid rgba(222, 219, 212, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.workflow-strip span {
  display: block;
  margin-bottom: 16px;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 780;
}

.workflow-strip strong {
  display: block;
  line-height: 1.2;
}

.security-note {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem !important;
}

.checklist-section {
  background: var(--panel);
}

.checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  max-width: 1050px;
}

.checklist label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 56px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfaf7;
}

.checklist input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--accent);
}

.checklist-result {
  max-width: 1050px;
  margin-top: 28px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #eef1ec;
}

.result-label {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
  color: var(--accent-dark);
  font-size: 0.76rem;
  font-weight: 780;
  text-transform: uppercase;
}

.result-label span {
  color: var(--muted);
  font-weight: 680;
}

.checklist-result h3 {
  margin-bottom: 8px;
  font-size: 1.25rem;
}

.checklist-result p {
  max-width: 760px;
  color: var(--muted);
}

.result-cta {
  margin-top: 8px;
}

.boundaries-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(28px, 6vw, 92px);
}

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

.boundary-grid div {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.boundary-grid li {
  padding: 10px 0;
  border-top: 1px solid rgba(222, 219, 212, 0.75);
  color: var(--muted);
}

.faq-section {
  border-top: 1px solid var(--line);
  background: var(--panel);
}

.faq-list {
  max-width: 980px;
}

.faq-list details {
  border-top: 1px solid var(--line);
}

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

.faq-list summary {
  cursor: pointer;
  padding: 20px 0;
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 720;
}

.faq-list p {
  max-width: 760px;
  margin-bottom: 20px;
  color: var(--muted);
}

.site-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding-top: 34px;
  padding-bottom: 34px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-brand {
  color: var(--ink);
}

.site-footer p {
  margin: 10px 0 0;
}

.site-footer a:last-child:not(.button) {
  color: var(--ink);
  font-weight: 700;
}

.site-footer .footer-cta {
  flex: 0 0 auto;
  color: #fff;
}

.contact-page {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.68fr);
  gap: clamp(34px, 6vw, 88px);
  align-items: start;
  min-height: calc(100vh - 152px);
}

.contact-copy {
  max-width: 760px;
}

.contact-note {
  max-width: 620px;
  margin-top: 28px;
  padding: 18px 20px;
  border: 1px solid rgba(24, 87, 232, 0.18);
  border-radius: 8px;
  background: #eef1ec;
  color: var(--muted);
}

.contact-note strong {
  color: var(--ink);
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form span {
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 780;
  text-transform: uppercase;
}

.contact-form em {
  color: var(--muted);
  font-style: normal;
  font-weight: 680;
  text-transform: none;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfaf7;
  color: var(--ink);
  font: inherit;
  outline: none;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(24, 87, 232, 0.68);
  box-shadow: 0 0 0 3px rgba(24, 87, 232, 0.12);
}

.form-footnote {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.form-footnote a {
  color: var(--ink);
  font-weight: 740;
}

.confirmation-page {
  min-height: calc(100vh - 152px);
}

@media (max-width: 980px) {
  .hero,
  .split-section,
  .sprint-section,
  .boundaries-section,
  .contact-page {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

  .workflow-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 67px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: var(--shadow);
  }

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

  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .hero {
    padding-top: 42px;
    grid-template-columns: minmax(0, 1fr);
  }

  h1 {
    font-size: clamp(1.95rem, 8vw, 2.6rem);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .button {
    width: 100%;
  }

  .packet-topbar h2 {
    font-size: 1.35rem;
  }

  .packet-grid,
  .output-grid,
  .checklist,
  .boundary-grid {
    grid-template-columns: 1fr;
  }

  .packet-topbar,
  .sprint-line,
  .site-footer {
    flex-direction: column;
  }

  .sprint-line strong {
    text-align: left;
  }
}

@media (max-width: 420px) {
  h1 {
    font-size: clamp(1.75rem, 7.6vw, 2.05rem);
  }

  .hero-text,
  .section-heading p,
  .body-copy,
  .sprint-copy p {
    font-size: 1rem;
  }
}