/* Three Day Kit — calm, practical, mobile first */

@font-face {
  font-family: "Fraunces";
  src: url("../fonts/Fraunces-Variable.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Fraunces";
  src: url("../fonts/Fraunces-Italic-Variable.ttf") format("truetype");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("../fonts/SourceSans3-Variable.ttf") format("truetype");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("../fonts/SourceSans3-Italic-Variable.ttf") format("truetype");
  font-weight: 200 900;
  font-style: italic;
  font-display: swap;
}

:root {
  --bg: #f3f1eb;
  --bg-alt: #e7eee9;
  --paper: #fffdf8;
  --ink: #1e2b28;
  --ink-soft: #4a5753;
  --ink-faint: #6b7571;
  --line: #d5d0c6;
  --line-strong: #c3bdb2;
  --teal: #2c6a5e;
  --teal-dark: #1f4f46;
  --teal-soft: #dce8e4;
  --blue: #3e5c7a;
  --sage: #6b8f7a;
  --sand: #e6dfd2;
  --sand-deep: #d9d0bf;
  --focus: #2c6a5e;
  --max: 72rem;
  --measure: 40rem;
  --header-h: 4.25rem;
  --radius: 0.85rem;
  --shadow: 0 1px 2px rgba(30, 43, 40, 0.04), 0 8px 24px rgba(30, 43, 40, 0.05);
  color-scheme: light;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Source Sans 3", "Source Sans Pro", "Segoe UI", sans-serif;
  font-size: 1.0625rem;
  font-weight: 430;
  line-height: 1.6;
  letter-spacing: 0.005em;
}

img, svg { max-width: 100%; height: auto; display: block; }

a {
  color: var(--teal-dark);
  text-underline-offset: 0.14em;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(44, 106, 94, 0.45);
}

a:hover { text-decoration-color: var(--teal); color: var(--teal); }

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -4rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 0.85rem;
  z-index: 100;
  border-radius: 0.3rem;
}

.skip:focus { top: 0.75rem; }

.wrap {
  width: min(100% - 1.75rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, white);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ink);
  min-width: 0;
}

.logo img, .logo svg {
  width: 2rem;
  height: 2rem;
  flex: 0 0 auto;
}

.logo-word {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 560;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.logo-word span {
  display: block;
  font-family: "Source Sans 3", sans-serif;
  font-weight: 500;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 0.1rem;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 0.5rem;
  cursor: pointer;
  color: var(--ink);
}

.nav-toggle svg { width: 1.25rem; height: 1.25rem; }

.site-nav {
  display: none;
}

.site-nav.open { display: block; }

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.site-nav a {
  display: block;
  text-decoration: none;
  color: var(--ink);
  padding: 0.55rem 0.15rem;
  font-weight: 530;
}

.site-nav a[aria-current="page"] {
  color: var(--teal-dark);
}

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

@media (min-width: 860px) {
  .nav-toggle { display: none; }
  .header-inner { gap: 2rem; }
  .site-nav { display: block; margin-left: auto; }
  .site-nav ul {
    flex-direction: row;
    align-items: center;
    gap: 0.15rem 1.35rem;
    padding: 0;
  }
  .site-nav a { padding: 0.35rem 0; font-size: 0.95rem; }
}

/* Hero */
.hero {
  padding: 2.75rem 0 2.25rem;
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 620;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin: 0 0 0.85rem;
}

h1, h2, h3, h4 {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 560;
  letter-spacing: -0.03em;
  line-height: 1.18;
  color: var(--ink);
  margin: 0 0 0.7em;
}

h1 { font-size: clamp(2rem, 5.4vw, 3.35rem); max-width: 16ch; }

h2 { font-size: clamp(1.55rem, 3.2vw, 2.15rem); }

h3 { font-size: 1.2rem; letter-spacing: -0.02em; }

.lead {
  font-size: 1.18rem;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 38rem;
  margin: 0 0 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 1.25rem;
}

.source-line {
  font-size: 0.92rem;
  color: var(--ink-faint);
  max-width: var(--measure);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 580;
  font-size: 1rem;
  line-height: 1.2;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary {
  background: var(--teal);
  color: #f7faf8;
  border-color: var(--teal);
}

.btn-primary:hover {
  background: var(--teal-dark);
  color: #fff;
  text-decoration: none;
}

.btn-ghost {
  background: transparent;
  color: var(--teal-dark);
  border-color: var(--line-strong);
}

.btn-ghost:hover {
  background: var(--paper);
  color: var(--teal);
  text-decoration: none;
}

.btn-disabled,
.btn[aria-disabled="true"] {
  background: var(--sand);
  color: var(--ink-soft);
  border-color: var(--line);
  cursor: not-allowed;
}

/* Sections */
.section {
  padding: 2.75rem 0;
}

.section-alt {
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
  border-block: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}

.section-intro {
  max-width: var(--measure);
  margin-bottom: 1.75rem;
}

.section-intro p,
.prose p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
}

.prose {
  max-width: var(--measure);
}

.prose h2 { margin-top: 2rem; }
.prose ul, .prose ol { color: var(--ink-soft); padding-left: 1.2rem; }
.prose li { margin: 0.35rem 0; }
.prose hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}

/* Risk cards */
.risk-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .risk-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1080px) {
  .risk-grid { grid-template-columns: repeat(6, 1fr); }
  .risk-grid article:nth-child(1),
  .risk-grid article:nth-child(2),
  .risk-grid article:nth-child(3) { grid-column: span 2; }
  .risk-grid article:nth-child(4),
  .risk-grid article:nth-child(5) { grid-column: span 3; }
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 1.35rem;
  box-shadow: var(--shadow);
}

.card h3 { margin-bottom: 0.45rem; }

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 0.85rem;
}

.pill {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 620;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal-dark);
  background: var(--teal-soft);
  border-radius: 999px;
  padding: 0.22rem 0.6rem;
}

.pill-quiet {
  background: var(--sand);
  color: var(--ink-soft);
}

.card p {
  margin: 0 0 0.7rem;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.card p:last-child { margin-bottom: 0; }

.cite {
  font-size: 0.85rem;
  color: var(--ink-faint);
}

/* Water hook */
.hook {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}

@media (min-width: 720px) {
  .hook { grid-template-columns: 1fr 1fr; }
}

.hook-stat {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.35rem;
}

.hook-stat .num {
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  font-weight: 560;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink);
}

.hook-stat .num em {
  font-style: italic;
  font-weight: 500;
  color: var(--teal-dark);
}

.hook-stat p {
  margin: 0.6rem 0 0;
  color: var(--ink-soft);
}

.hook-stat.is-official {
  background: var(--teal);
  border-color: var(--teal);
  color: #f4faf8;
}

.hook-stat.is-official .num { color: #fff; }
.hook-stat.is-official .num em { color: #dce8e4; }
.hook-stat.is-official p { color: #e7f0ed; }

/* Kit comparison */
.compare {
  display: grid;
  gap: 1rem;
}

@media (min-width: 800px) {
  .compare { grid-template-columns: 1fr 1fr; }
}

.kit-card h3 { margin-bottom: 0.2rem; }

.kit-price {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.65rem;
  font-weight: 560;
  letter-spacing: -0.03em;
  margin: 0.15rem 0 0.85rem;
}

.kit-price small {
  display: block;
  font-family: "Source Sans 3", sans-serif;
  font-size: 0.8rem;
  font-weight: 480;
  letter-spacing: 0;
  color: var(--ink-faint);
  margin-top: 0.15rem;
}

.spec {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.spec th,
.spec td {
  text-align: left;
  vertical-align: top;
  padding: 0.45rem 0.4rem 0.45rem 0;
  border-top: 1px solid var(--line);
}

.spec th {
  font-weight: 580;
  color: var(--ink);
  width: 7.2rem;
}

.spec td { color: var(--ink-soft); }

.spec tr.is-gap th,
.spec tr.is-gap td {
  background: #f3efe3;
}

.spec tr.is-gap td { color: var(--ink); font-weight: 560; }

.kit-actions { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: 0.5rem; }

.note {
  font-size: 0.92rem;
  color: var(--ink-faint);
  margin: 1rem 0 0;
}

/* Top-up list */
.topup {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 720px) {
  .topup { grid-template-columns: 1fr 1fr; }
}

.topup li {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}

.topup h3 { margin: 0 0 0.3rem; font-size: 1.1rem; }

.topup p { margin: 0 0 0.7rem; color: var(--ink-soft); font-size: 0.95rem; }

.aff-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.aff-links a,
.link-todo {
  font-size: 0.85rem;
  font-weight: 560;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.28rem 0.65rem;
  color: var(--ink-soft);
  background: var(--bg);
}

.aff-links a:hover { border-color: var(--teal); color: var(--teal); }

.link-todo { font-style: italic; }

/* Disclosure */
.disclosure {
  background: var(--sand);
  border-left: 3px solid var(--teal);
  border-radius: 0 0.6rem 0.6rem 0;
  padding: 0.9rem 1rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin: 1.25rem 0;
}

/* Waitlist / signup */
.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 0.15rem);
  padding: 1.5rem 1.35rem;
  box-shadow: var(--shadow);
}

.panel h2 { max-width: 18ch; }

.form {
  display: grid;
  gap: 0.7rem;
  margin-top: 1rem;
  max-width: 28rem;
}

.form label {
  font-weight: 580;
  font-size: 0.92rem;
}

.form input[type="email"],
.form input[type="text"],
.form textarea {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.5rem;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.form textarea { min-height: 8rem; resize: vertical; }

.form-status {
  font-size: 0.95rem;
  color: var(--teal-dark);
  min-height: 1.2em;
}

.form-status.is-error { color: #7a3b2e; }

/* Guides */
.guide-list {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 720px) {
  .guide-list { grid-template-columns: 1fr 1fr; }
}

.guide {
  display: flex;
  gap: 0.95rem;
  align-items: flex-start;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
}

.guide:hover {
  border-color: var(--teal);
  text-decoration: none;
}

.guide-num {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 560;
  font-size: 1.15rem;
  color: var(--teal-dark);
  flex: 0 0 2rem;
  padding-top: 0.1rem;
}

.guide h3 {
  margin: 0 0 0.2rem;
  font-size: 1.12rem;
}

.guide p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.guide-dl {
  margin-top: 0.45rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--teal-dark);
}

.manual-card {
  margin-top: 1.25rem;
  padding: 1.4rem 1.35rem;
  background: var(--teal);
  color: #f4faf8;
  border-radius: var(--radius);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.manual-card h2,
.manual-card p { color: inherit; margin: 0 0 0.4rem; }

.manual-card p { color: #dce8e4; max-width: 36rem; }

.manual-card .btn-ghost {
  color: #fff;
  border-color: color-mix(in srgb, #fff 45%, transparent);
}

.manual-card .btn-ghost:hover { background: color-mix(in srgb, #fff 12%, transparent); color: #fff; }

/* FAQ */
.faq {
  display: grid;
  gap: 0.55rem;
  max-width: 46rem;
}

.faq details {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.2rem 1rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.85rem 0;
  list-style: none;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  float: right;
  color: var(--teal);
  font-weight: 500;
  font-size: 1.2rem;
}

.faq details[open] summary::after { content: "–"; }

.faq details p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 2rem;
  background: #ece8e0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 800px) {
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
}

.site-footer h2 {
  font-family: "Source Sans 3", sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 650;
  color: var(--ink);
  margin: 0 0 0.6rem;
}

.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 0.28rem 0; }
.site-footer a { color: var(--ink-soft); text-decoration: none; }
.site-footer a:hover { color: var(--teal-dark); text-decoration: underline; }

.footer-brand p { margin: 0.4rem 0; max-width: 26rem; }

.footer-legal {
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line-strong);
  font-size: 0.85rem;
  color: var(--ink-faint);
}

.footer-legal p { margin: 0.35rem 0; }

.emergency {
  font-weight: 600;
  color: var(--ink-soft);
}

/* Utilities */
.muted { color: var(--ink-faint); }
.center-cta { margin-top: 1.5rem; }

.page-hero {
  padding: 2.2rem 0 0.5rem;
}

.page-hero h1 { max-width: 18ch; }

.todo-flag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--sand-deep);
  color: var(--ink);
  border-radius: 0.25rem;
  padding: 0.1rem 0.35rem;
  margin-left: 0.25rem;
  vertical-align: middle;
}

.split {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 800px) {
  .split { grid-template-columns: 1.1fr 0.9fr; align-items: start; }
}

/* 404 */
.notfound { padding: 4rem 0 5rem; }

@media (max-width: 859px) {
  .header-inner { flex-wrap: wrap; }
  .site-nav {
    flex-basis: 100%;
    border-top: 1px solid var(--line);
    padding-top: 0.4rem;
  }
}

@media print {
  .site-header, .site-footer .footer-grid, .nav-toggle, .hero-actions, .form, .btn { }
  .site-header { position: static; }
  body { background: #fff; }
  .card, .panel { box-shadow: none; }
}