:root {
  --bg: #11100d;
  --paper: #ebe0cc;
  --paper-strong: #f5eddc;
  --ink: #261d14;
  --ink-soft: #594c3c;
  --line: rgba(87, 70, 50, 0.28);
  --accent: #c8a25d;
  --accent-deep: #8f6a2c;
  --green: #314034;
  --panel: rgba(245, 237, 220, 0.88);
  --panel-strong: rgba(245, 237, 220, 0.96);
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.26);
  --radius: 18px;
  --radius-sm: 12px;
  --site-pad: clamp(1rem, 2vw, 1.5rem);
  --body-font: "Fraunces", Georgia, serif;
  --display-font: "Barlow Condensed", Impact, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--body-font);
  background:
    linear-gradient(180deg, rgba(22, 19, 14, 0.72), rgba(17, 16, 13, 0.84)),
    radial-gradient(circle at top, rgba(200, 162, 93, 0.12), transparent 32%),
    url("https://images.unsplash.com/photo-1546484396-fb3fc6f95f98?auto=format&fit=crop&fm=jpg&q=80&w=2400");
  background-color: var(--bg);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.14;
  background:
    linear-gradient(90deg, transparent 0, rgba(255, 255, 255, 0.08) 50%, transparent 100%),
    repeating-linear-gradient(
      0deg,
      rgba(255, 255, 255, 0.05) 0,
      rgba(255, 255, 255, 0.05) 1px,
      transparent 1px,
      transparent 6px
    );
}

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

button {
  cursor: pointer;
}

.site-shell {
  display: grid;
  grid-template-columns: minmax(240px, 280px) minmax(0, 1fr);
  min-height: 100vh;
}

.side-nav {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 2rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  background:
    linear-gradient(180deg, rgba(22, 19, 14, 0.86), rgba(30, 26, 20, 0.8)),
    linear-gradient(135deg, rgba(139, 107, 58, 0.16), transparent 42%),
    url("https://images.unsplash.com/photo-1546484396-fb3fc6f95f98?auto=format&fit=crop&fm=jpg&q=80&w=1600");
  background-size: cover;
  background-position: center;
  border-right: 1px solid rgba(200, 162, 93, 0.18);
}

.side-nav__brand h1,
.section-heading h3,
.hero h2,
.panel h4,
.feature-card h4,
.example-card h4 {
  margin: 0;
  font-family: var(--display-font);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.side-nav__brand h1 {
  color: var(--paper-strong);
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 0.94;
}

.side-nav__subtitle,
.side-nav__meta {
  color: rgba(245, 237, 220, 0.74);
}

.eyebrow {
  margin: 0 0 0.45rem;
  color: var(--accent);
  font-family: var(--display-font);
  font-size: 0.92rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-nav {
  display: grid;
  gap: 0.2rem;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 48px;
  padding: 0.8rem 1rem;
  color: var(--paper-strong);
  background: rgba(245, 237, 220, 0.08);
  border: 1px solid rgba(200, 162, 93, 0.2);
  border-radius: 999px;
}

.nav-toggle__label {
  font-family: var(--display-font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-toggle__icon,
.nav-toggle__icon::before,
.nav-toggle__icon::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--paper-strong);
  border-radius: 999px;
  transition: transform 160ms ease, opacity 160ms ease;
}

.nav-toggle__icon {
  position: relative;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle__icon::before {
  top: -6px;
}

.nav-toggle__icon::after {
  top: 6px;
}

.section-nav a {
  padding: 0.55rem 0.75rem;
  color: rgba(245, 237, 220, 0.78);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.section-nav a:hover,
.section-nav a.is-active {
  color: var(--paper-strong);
  background: rgba(245, 237, 220, 0.06);
  border-color: var(--accent);
}

.side-nav__meta {
  margin-top: auto;
  display: grid;
  gap: 0.9rem;
  font-size: 0.94rem;
}

.meta-label {
  display: block;
  margin-bottom: 0.2rem;
  color: rgba(245, 237, 220, 0.54);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.proposal {
  padding: var(--site-pad);
  display: grid;
  gap: 1rem;
}

.hero,
.proposal-section,
.approval-section {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, var(--panel-strong), rgba(232, 221, 199, 0.9)),
    linear-gradient(135deg, rgba(200, 162, 93, 0.18), transparent 35%);
  border: 1px solid rgba(130, 105, 69, 0.28);
  border-radius: calc(var(--radius) + 6px);
  box-shadow: var(--shadow);
}

.hero {
  min-height: 70vh;
  background:
    linear-gradient(180deg, rgba(245, 237, 220, 0.68), rgba(232, 221, 199, 0.82)),
    linear-gradient(135deg, rgba(200, 162, 93, 0.2), transparent 35%),
    url("https://images.unsplash.com/photo-1583418007992-a8e33a92e7ad?auto=format&fit=crop&fm=jpg&q=80&w=2000");
  background-size: cover;
  background-position: center;
}

.hero__texture {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 20%, rgba(49, 64, 52, 0.16), transparent 26%),
    linear-gradient(135deg, rgba(200, 162, 93, 0.1), transparent 40%),
    repeating-linear-gradient(
      90deg,
      rgba(80, 60, 40, 0.06) 0,
      rgba(80, 60, 40, 0.06) 3px,
      transparent 3px,
      transparent 24px
    );
  opacity: 0.72;
}

.hero__content,
.proposal-section,
.approval-section {
  position: relative;
  z-index: 1;
}

.hero__content {
  padding: clamp(1.5rem, 4vw, 3rem);
  display: grid;
  gap: 1.4rem;
}

.hero h2 {
  max-width: 13ch;
  font-size: clamp(2.8rem, 6vw, 5.8rem);
  line-height: 0.92;
}

.hero__lede {
  max-width: 60ch;
  font-size: 1.08rem;
  line-height: 1.7;
}

.hero__cards,
.pricing-summary,
.pricing-reference-grid,
.section-grid,
.pricing-grid,
.approval-layout {
  display: grid;
  gap: 1rem;
}

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

.pricing-summary {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 1rem;
}

.pricing-reference-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 1rem;
}

.summary-card,
.panel,
.feature-card,
.price-block,
.example-card {
  padding: 1rem 1rem 1.05rem;
  background: rgba(255, 250, 240, 0.62);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.summary-card__label,
.price-block__label {
  display: inline-block;
  margin-bottom: 0.6rem;
  color: var(--accent-deep);
  font-family: var(--display-font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.summary-card strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 1.5rem;
}

.hero__actions,
.modal__actions,
.approval-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button,
.section-action {
  min-height: 44px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 150ms ease, background 150ms ease, border-color 150ms ease;
}

.button:hover,
.section-action:hover,
.button:focus-visible,
.section-action:focus-visible {
  transform: translateY(-1px);
}

.button {
  padding: 0.75rem 1.2rem;
  text-decoration: none;
}

.button--primary {
  background: linear-gradient(180deg, #314034, #243125);
  color: var(--paper-strong);
  border-color: rgba(26, 35, 26, 0.42);
}

.button--secondary,
.button--ghost,
.section-action {
  background: rgba(255, 248, 234, 0.5);
  color: var(--ink);
  border-color: rgba(97, 77, 52, 0.24);
}

.proposal-section,
.approval-section {
  padding: 1.35rem;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
  margin-bottom: 1rem;
}

.section-heading h3 {
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  line-height: 1;
}

.section-body {
  color: var(--ink-soft);
  line-height: 1.7;
}

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

.panel h4,
.feature-card h4,
.example-card h4,
.timeline-item h4 {
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
}

ul,
ol {
  margin: 0;
  padding-left: 1.2rem;
}

.plain-list li,
.steps-list li,
.panel li {
  margin-bottom: 0.45rem;
}

.feature-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.callout {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--accent);
  background: rgba(255, 247, 233, 0.68);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

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

.pricing-grid--footer {
  align-items: stretch;
  margin-bottom: 0;
}

.table-wrap {
  overflow-x: auto;
  margin-bottom: 1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(255, 250, 240, 0.62);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

caption {
  padding: 0 0 0.75rem;
  text-align: left;
  color: var(--ink);
  font-family: var(--display-font);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

th,
td {
  padding: 0.9rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

th {
  color: var(--ink);
  font-family: var(--display-font);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.example-card__rows {
  display: grid;
  gap: 0.55rem;
}

.example-card__rows div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.example-card__total {
  padding-top: 0.55rem;
  margin-top: 0.2rem;
  border-top: 1px solid var(--line);
}

.timeline-panel {
  margin-top: 1rem;
}

.timeline {
  display: grid;
  gap: 1rem;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), rgba(143, 106, 44, 0.18));
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.timeline-item p {
  margin: 0;
}

.timeline-item__marker {
  position: relative;
  z-index: 1;
  width: 22px;
  height: 22px;
  margin-top: 0.15rem;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--accent), var(--accent-deep));
  border: 3px solid rgba(245, 237, 220, 0.92);
  box-shadow: 0 0 0 1px rgba(97, 77, 52, 0.18);
}

.review-checklist {
  display: grid;
  gap: 0.7rem;
}

.review-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.8rem;
  background: rgba(255, 250, 240, 0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.review-item input {
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--green);
}

label {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 0.9rem;
  color: var(--ink);
}

input,
textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  color: var(--ink);
  background: rgba(255, 252, 245, 0.74);
  border: 1px solid rgba(97, 77, 52, 0.22);
  border-radius: 10px;
}

textarea {
  resize: vertical;
}

.output-box {
  min-height: 110px;
  margin: 1rem 0 0;
  padding: 1rem;
  white-space: pre-wrap;
  background: #201a14;
  color: #efe2c7;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(200, 162, 93, 0.2);
}

.modal[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 16, 13, 0.72);
  backdrop-filter: blur(3px);
}

.modal__panel {
  position: relative;
  width: min(680px, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  margin: 1rem auto;
  overflow: auto;
  padding: 1.25rem;
  background:
    linear-gradient(180deg, rgba(245, 237, 220, 0.98), rgba(232, 221, 199, 0.96));
  border-radius: calc(var(--radius) + 2px);
  border: 1px solid rgba(130, 105, 69, 0.28);
  box-shadow: var(--shadow);
}

.modal__header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
  margin-bottom: 1rem;
}

.modal__close {
  width: 42px;
  height: 42px;
  font-size: 1.5rem;
  color: var(--ink);
  background: rgba(255, 250, 240, 0.66);
  border: 1px solid var(--line);
  border-radius: 50%;
}

:focus-visible {
  outline: 2px solid var(--accent-deep);
  outline-offset: 2px;
}

@media (max-width: 1080px) {
  .site-shell {
    grid-template-columns: 1fr;
  }

  .side-nav {
    position: relative;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(200, 162, 93, 0.18);
  }

  .hero__cards,
  .pricing-summary,
  .pricing-reference-grid,
  .feature-stack,
  .section-grid,
  .pricing-grid,
  .approval-layout {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: flex;
  }

  .section-nav {
    display: none;
    padding-top: 0.5rem;
  }

  .side-nav.is-open .section-nav {
    display: grid;
  }

  .side-nav.is-open .nav-toggle__icon {
    background: transparent;
  }

  .side-nav.is-open .nav-toggle__icon::before {
    transform: translateY(6px) rotate(45deg);
  }

  .side-nav.is-open .nav-toggle__icon::after {
    transform: translateY(-6px) rotate(-45deg);
  }
}

@media (max-width: 720px) {
  .proposal {
    padding: 0.75rem;
  }

  .hero h2 {
    max-width: none;
  }

  .section-heading {
    flex-direction: column;
  }

  .proposal-section .section-action {
    margin-top: 0.75rem;
    width: 100%;
  }

  .proposal-section .section-body:last-of-type {
    margin-bottom: 0.75rem;
  }

  .hero__actions,
  .modal__actions,
  .approval-actions {
    flex-direction: column;
  }

  .button,
  .section-action {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}