:root {
  --bg: #f5f3ee;
  --bg-accent: #ece7de;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --surface-soft: rgba(255, 255, 255, 0.72);
  --surface-alt: #ebe6dc;
  --text: #161616;
  --muted: #5f6368;
  --muted-strong: #41464d;
  --border: rgba(126, 118, 104, 0.16);
  --border-strong: rgba(47, 67, 83, 0.18);
  --accent: #121212;
  --accent-soft: #233544;
  --accent-2: #314756;
  --accent-3: #6b7f8c;
  --radius-xl: 32px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow-xs: 0 8px 18px rgba(17, 17, 17, 0.04);
  --shadow-sm: 0 16px 34px rgba(17, 17, 17, 0.06);
  --shadow: 0 28px 58px rgba(17, 17, 17, 0.08);
  --shadow-lg: 0 36px 86px rgba(17, 17, 17, 0.12);
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background:
    radial-gradient(circle at top center, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0) 35%),
    linear-gradient(180deg, #f7f5f1 0%, #f3efe7 56%, #f6f4ef 100%);
  color: var(--text);
  line-height: 1.68;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1rem; color: var(--muted); }
h1, h2, h3, h4 { margin: 0 0 1rem; color: var(--text); line-height: 1.08; }
h1 {
  font-size: clamp(2.8rem, 6vw, 4.9rem);
  letter-spacing: -0.055em;
  max-width: 11ch;
}
h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.04em;
}
h3 {
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  letter-spacing: -0.03em;
}
ul { margin: 0; padding-left: 1.2rem; }

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}
.narrow { max-width: 760px; }
.center { text-align: center; }
.section {
  position: relative;
  padding: 112px 0;
}
.alt-bg {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.08)),
    var(--surface-alt);
}
.body-lg {
  font-size: 1.16rem;
  max-width: 640px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1.15rem;
  color: var(--accent-2);
  font-size: 0.79rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 700;
}
.eyebrow::before {
  content: '';
  width: 30px;
  height: 1px;
  background: rgba(49, 71, 86, 0.35);
}
.section-heading {
  margin-bottom: 2.9rem;
}
.section-heading.narrow {
  max-width: 760px;
}
.section-heading.center.narrow {
  margin-inline: auto;
}
.section-heading p:last-child {
  margin-bottom: 0;
}
.section-action { margin-top: 2.4rem; }
.support-line,
.form-note,
.visual-note {
  font-size: 0.95rem;
  color: var(--muted);
}
.support-line {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.6rem;
  padding: 0.7rem 0.95rem;
  border: 1px solid rgba(49, 71, 86, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted-strong);
}
.support-line::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent-2);
  box-shadow: 0 0 0 5px rgba(49, 71, 86, 0.1);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(247, 245, 240, 0.78);
  border-bottom: 1px solid rgba(126, 118, 104, 0.12);
  box-shadow: 0 8px 30px rgba(17, 17, 17, 0.04);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.brand-logo {
  display: block;
  height: 26px;
  width: auto;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.site-nav > a:not(.btn) {
  color: var(--muted);
  font-weight: 500;
  transition: color 0.2s ease;
}
.site-nav > a.is-active,
.site-nav > a:hover:not(.btn) {
  color: var(--text);
}
.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  border-radius: 999px;
  padding: 0.8rem 1rem;
  font: inherit;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0.95rem 1.45rem;
  border-radius: 15px;
  border: 1px solid transparent;
  font-weight: 650;
  letter-spacing: -0.01em;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
  cursor: pointer;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn-primary {
  background: linear-gradient(180deg, #1a1a1a 0%, #101010 100%);
  color: #fff;
  box-shadow: 0 14px 28px rgba(18, 18, 18, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.btn-primary:hover {
  background: linear-gradient(180deg, #262626 0%, #171717 100%);
  box-shadow: 0 18px 34px rgba(18, 18, 18, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
.btn-secondary {
  border-color: rgba(49, 71, 86, 0.16);
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  box-shadow: var(--shadow-xs);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(49, 71, 86, 0.24);
  box-shadow: var(--shadow-sm);
}
.full-width { width: 100%; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.1rem;
  font-weight: 650;
  color: var(--text);
}
.text-link::after {
  content: '→';
  transition: transform 0.18s ease;
}
.text-link:hover::after {
  transform: translateX(3px);
}

.hero-grid,
.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3.4rem;
}
.align-center { align-items: center; }
.align-start { align-items: start; }
.compact-gap { gap: 1.5rem; }
.three-col {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}
.four-col {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.95rem;
  margin: 2rem 0 1.1rem;
}

.section-hero,
.section-page-hero {
  padding-top: 126px;
  padding-bottom: 96px;
}
.hero-copy,
.section-page-hero .container > div:first-child,
.section-form .container > div:first-child {
  position: relative;
  z-index: 1;
}
.hero-copy > *:last-child,
.section-page-hero .container > div:first-child > *:last-child,
.section-form .container > div:first-child > *:last-child {
  margin-bottom: 0;
}
.hero-home .hero-copy,
.section-page-hero .container > div:first-child {
  max-width: 640px;
}
.hero-home .hero-copy p,
.section-page-hero .container > div:first-child p {
  max-width: 620px;
}
.section-hero::before,
.section-page-hero::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 78%;
  background:
    radial-gradient(circle at 18% 16%, rgba(49, 71, 86, 0.07), transparent 28%),
    radial-gradient(circle at 86% 20%, rgba(147, 124, 98, 0.08), transparent 30%);
  pointer-events: none;
}

.card-surface,
.card-value {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.88) 100%);
  border: 1px solid rgba(126, 118, 104, 0.14);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-surface::before,
.card-value::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.45), rgba(255,255,255,0));
  pointer-events: none;
}
.card-surface { padding: 2.1rem; }
.card-value { padding: 1.8rem; }
.card-stack {
  display: grid;
  gap: 1rem;
}
.step-card,
.stat-card,
.feature-grid .card-value,
.section-problem .card-value,
.section-faq .faq-list,
.proposal-form,
.table-wrap,
.trust-strip {
  backdrop-filter: blur(10px);
}
.feature-grid .card-value,
.steps-grid .step-card,
.stat-grid .stat-card,
.section-problem .card-value,
.section-pricing-snapshot .stat-card,
.section-faq details,
.proposal-form {
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
@media (hover: hover) and (pointer: fine) {
  .feature-grid .card-value:hover,
  .steps-grid .step-card:hover,
  .stat-grid .stat-card:hover,
  .section-problem .card-value:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: rgba(49, 71, 86, 0.16);
  }
}

.kit-stage {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1rem;
  min-height: 400px;
}
.kit-side { display: grid; gap: 1rem; }
.kit-card {
  border-radius: 24px;
  position: relative;
  overflow: hidden;
  padding: 1rem;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.2);
}
.kit-bag {
  background: linear-gradient(160deg, #f0ece5 0%, #d8d0c6 48%, #f7f4ee 100%);
  min-height: 100%;
}
.kit-tumbler {
  background: linear-gradient(160deg, #21323f 0%, #526977 100%);
  color: #fff;
  min-height: 190px;
}
.kit-notebook {
  background: linear-gradient(160deg, #776351 0%, #b59b87 100%);
  color: #fff;
  min-height: 190px;
}
.kit-label {
  font-weight: 650;
  font-size: 0.96rem;
}
.kit-photo-alt,
.tall-surface,
.pricing-hero-card,
.diagram-surface,
.quote-surface {
  min-height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.kit-photo-alt,
.tall-surface,
.pricing-hero-card,
.diagram-surface,
.quote-surface,
.hero-visual {
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.65), rgba(255,255,255,0) 34%),
    linear-gradient(180deg, rgba(255,255,255,0.92), rgba(244,240,233,0.9));
  border-color: rgba(126, 118, 104, 0.12);
  box-shadow: var(--shadow);
}
.hero-visual::after,
.kit-photo-alt::after,
.tall-surface::after,
.pricing-hero-card::after,
.diagram-surface::after,
.quote-surface::after {
  content: '';
  position: absolute;
  inset: auto 18px 18px auto;
  width: 90px;
  height: 90px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(49, 71, 86, 0.1), rgba(49, 71, 86, 0));
  pointer-events: none;
}
.grid-items {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  width: 100%;
}
.grid-items.vertical-items {
  grid-template-columns: 1fr;
  max-width: 300px;
}
.mini-card,
.diagram-step,
.price-chip {
  border-radius: 18px;
  border: 1px solid rgba(126, 118, 104, 0.14);
  background: rgba(255,255,255,0.82);
  padding: 1rem;
  text-align: center;
  font-weight: 650;
  box-shadow: var(--shadow-xs);
}
.mini-card.strong {
  background: linear-gradient(180deg, #1a1a1a, #111111);
  color: #fff;
  border-color: rgba(0,0,0,0.18);
}
.price-chip {
  width: min(100%, 220px);
}
.quote-line {
  font-size: clamp(1.5rem, 2.6vw, 1.95rem);
  line-height: 1.28;
  letter-spacing: -0.04em;
  color: var(--text);
  max-width: 420px;
}
.diagram-surface {
  gap: 0.9rem;
  flex-wrap: wrap;
}
.diagram-arrow {
  color: var(--muted);
  font-size: 1.4rem;
}

.section-trust-strip {
  padding-top: 16px;
  padding-bottom: 12px;
}
.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  padding: 1.25rem 1.4rem;
  border: 1px solid rgba(49, 71, 86, 0.1);
  border-radius: 20px;
  background: rgba(255,255,255,0.66);
  box-shadow: var(--shadow-xs);
}
.trust-strip > div {
  text-align: center;
  font-weight: 650;
  color: var(--accent-2);
}

.section-problem .two-col,
.section-featured-kit .two-col,
.section-form .two-col,
.section-page-hero .two-col {
  gap: 3.6rem;
}
.section-how-preview,
.section-comparison,
.section-pricing-snapshot,
.section-final-cta,
.section-form {
  padding-top: 120px;
  padding-bottom: 120px;
}
.section-faq {
  padding-top: 100px;
  padding-bottom: 100px;
}
.section-comparison::before,
.section-pricing-snapshot::before,
.section-final-cta::before,
.section-form::before,
.section-faq::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: min(100% - 2rem, var(--container));
  height: 1px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, rgba(126,118,104,0), rgba(126,118,104,0.22), rgba(126,118,104,0));
}
.section-final-cta .narrow.center {
  max-width: 820px;
}

.step-number,
.stat-value {
  font-size: 2rem;
  font-weight: 720;
  margin-bottom: 0.9rem;
  letter-spacing: -0.05em;
}
.step-number {
  color: var(--accent-2);
}
.stat-value { font-size: 2.4rem; }
.stat-card p,
.step-card p {
  margin-bottom: 0;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(126, 118, 104, 0.12);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}
.comparison-table th,
.comparison-table td {
  padding: 1.2rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid rgba(126, 118, 104, 0.12);
  vertical-align: top;
}
.comparison-table thead th {
  background: linear-gradient(180deg, #f7f4ee 0%, #f0ebe1 100%);
  font-weight: 720;
}
.comparison-table tbody td:first-child {
  font-weight: 650;
  color: var(--text);
  width: 20%;
}
.comparison-table tbody td:nth-child(2),
.comparison-table thead th:nth-child(2) {
  background: linear-gradient(180deg, rgba(49, 71, 86, 0.08) 0%, rgba(49, 71, 86, 0.04) 100%);
}
.comparison-table tbody tr:last-child td {
  border-bottom: 0;
}
.comparison-note {
  margin: 1.35rem 0 1.55rem;
  font-weight: 650;
  color: var(--text);
}

.faq-list {
  border: 1px solid rgba(126, 118, 104, 0.12);
  border-radius: 24px;
  background: rgba(255,255,255,0.7);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
}
.faq-list details {
  position: relative;
  border-bottom: 1px solid rgba(126, 118, 104, 0.1);
  padding: 1.15rem 1.4rem;
}
.faq-list details:last-child {
  border-bottom: 0;
}
.faq-list details[open] {
  background: rgba(255,255,255,0.92);
}
.faq-list summary {
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 650;
  line-height: 1.45;
  list-style: none;
  padding-right: 2rem;
  color: var(--text);
  position: relative;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: '+';
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  font-size: 1.2rem;
  color: var(--muted);
}
.faq-list details[open] summary::after {
  content: '–';
  color: var(--accent-2);
}
.faq-list p {
  margin: 0.85rem 0 0;
  max-width: 62ch;
}

.bullet-list li {
  margin-bottom: 0.76rem;
  color: var(--muted);
}
.trust-mini {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.35rem;
}
.trust-mini span {
  padding: 0.65rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(49, 71, 86, 0.12);
  background: rgba(255,255,255,0.82);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 600;
}

.proposal-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.97), rgba(255,255,255,0.9));
  border: 1px solid rgba(126, 118, 104, 0.16);
  border-radius: 28px;
  padding: 1.7rem;
  box-shadow: var(--shadow);
}
.proposal-form.max-form {
  max-width: 860px;
  margin: 0 auto;
}
.proposal-form label {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--muted-strong);
}
.proposal-form input,
.proposal-form select,
.proposal-form textarea {
  width: 100%;
  border: 1px solid rgba(126, 118, 104, 0.18);
  border-radius: 14px;
  background: rgba(255,255,255,0.94);
  color: var(--text);
  min-height: 54px;
  padding: 0.95rem 1rem;
  font: inherit;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.35);
}
.proposal-form textarea {
  min-height: 136px;
  resize: vertical;
}
.proposal-form input::placeholder,
.proposal-form textarea::placeholder {
  color: #737983;
}
.proposal-form input:focus,
.proposal-form select:focus,
.proposal-form textarea:focus {
  outline: none;
  border-color: rgba(49, 71, 86, 0.34);
  box-shadow: 0 0 0 5px rgba(47, 67, 83, 0.08);
}
.full-width { grid-column: 1 / -1; }
.upload-field {
  position: relative;
  cursor: pointer;
}
.upload-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.upload-ui {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-height: 54px;
  padding: 0.6rem 0.75rem;
  border: 1px solid rgba(126, 118, 104, 0.18);
  border-radius: 14px;
  background: rgba(255,255,255,0.94);
}
.upload-button {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0.5rem 0.9rem;
  border-radius: 10px;
  background: linear-gradient(180deg, #1a1a1a, #101010);
  color: #fff;
  font-size: 0.92rem;
  font-weight: 650;
  white-space: nowrap;
}
.upload-hint {
  color: var(--muted);
  font-weight: 400;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.upload-field:hover .upload-ui {
  border-color: rgba(49, 71, 86, 0.22);
  box-shadow: 0 0 0 4px rgba(47, 67, 83, 0.05);
}
.upload-input:focus + .upload-ui {
  outline: none;
  border-color: rgba(49, 71, 86, 0.34);
  box-shadow: 0 0 0 5px rgba(47, 67, 83, 0.08);
}

.proposal-form.is-submitting {
  opacity: 0.92;
}
.proposal-form.is-submitting .upload-field {
  pointer-events: none;
}
.btn:disabled {
  opacity: 0.72;
  cursor: wait;
  transform: none;
}
.form-note {
  margin-top: 0.15rem;
}
.form-note.is-success {
  color: var(--accent-2);
}
.form-note.is-error {
  color: #a12a2a;
}
.site-footer {
  padding: 56px 0 68px;
  border-top: 1px solid rgba(126, 118, 104, 0.14);
  background: rgba(255,255,255,0.24);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2rem;
}
.footer-grid h4 {
  margin-bottom: 0.95rem;
  font-size: 0.95rem;
}
.footer-grid a {
  display: block;
  color: var(--muted);
  margin-bottom: 0.62rem;
  transition: color 0.18s ease;
}
.footer-grid p {
  margin: 0 0 0.62rem;
  color: var(--muted);
}
.footer-grid a:hover { color: var(--text); }
.footer-brand {
  display: inline-block;
  margin-bottom: 0.9rem;
}
.footer-brand .brand-logo { height: 24px; }

.form-only-wrap { margin-top: 2.25rem; }

@media (max-width: 1024px) {
  .section { padding: 88px 0; }
  .section-hero,
  .section-page-hero,
  .section-how-preview,
  .section-comparison,
  .section-pricing-snapshot,
  .section-final-cta,
  .section-form,
  .section-faq {
    padding-top: 84px;
    padding-bottom: 84px;
  }
  .hero-grid,
  .two-col,
  .three-col,
  .four-col,
  .footer-grid,
  .trust-strip,
  .proposal-form {
    grid-template-columns: 1fr;
  }
  .hero-grid,
  .two-col,
  .section-problem .two-col,
  .section-featured-kit .two-col,
  .section-form .two-col,
  .section-page-hero .two-col {
    gap: 2.2rem;
  }
  .kit-stage { grid-template-columns: 1fr; min-height: auto; }
  .diagram-arrow { transform: rotate(90deg); }
  .grid-items { grid-template-columns: 1fr; }
  .kit-photo-alt,
  .tall-surface,
  .pricing-hero-card,
  .diagram-surface,
  .quote-surface {
    min-height: 280px;
  }
}

@media (max-width: 760px) {
  h1 { max-width: none; }
  .site-nav {
    display: none;
    position: absolute;
    right: 1rem;
    top: 70px;
    width: min(92vw, 320px);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    background: rgba(255,255,255,0.98);
    border: 1px solid rgba(126, 118, 104, 0.16);
    border-radius: 18px;
    box-shadow: var(--shadow);
  }
  .site-nav.is-open { display: flex; }
  .nav-toggle { display: inline-flex; }
  .nav-cta { width: 100%; }
  .section {
    padding: 68px 0;
  }
  .section-hero,
  .section-page-hero,
  .section-how-preview,
  .section-comparison,
  .section-pricing-snapshot,
  .section-final-cta,
  .section-form,
  .section-faq {
    padding-top: 68px;
    padding-bottom: 68px;
  }
  .cta-row { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .trust-strip { padding: 1rem; }
  .comparison-table { min-width: 640px; }
  .proposal-form { padding: 1.25rem; border-radius: 22px; }
}