@import url('https://fonts.googleapis.com/css2?family=Figtree:ital,wght@0,300..900;1,300..900&family=IBM+Plex+Mono:ital,wght@0,400;0,500;0,600;1,400&family=Instrument+Serif:ital@0;1&display=swap');

:root {
  --color-paper: #f4f1e8;
  --color-paper-2: #ebe6d8;
  --color-cream: #fffdf8;
  --color-ink: #141820;
  --color-muted: #5a6370;
  --color-subtle: #8a8478;
  --color-navy: #054493;
  --color-navy-deep: #032e66;
  --color-blue: #0b63fd;
  --color-line: #d6d0c2;
  --color-line-strong: #b9b2a2;

  --font-display: "Instrument Serif", "Iowan Old Style", Palatino, Georgia, serif;
  --font-sans: "Figtree", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 28px;

  --shadow-border:
    0px 0px 0px 1px rgb(20 24 32 / 0.08),
    0px 1px 2px -1px rgb(20 24 32 / 0.06),
    0px 8px 24px -12px rgb(20 24 32 / 0.12);
  --shadow-border-hover:
    0px 0px 0px 1px rgb(20 24 32 / 0.12),
    0px 1px 2px -1px rgb(20 24 32 / 0.08),
    0px 12px 28px -12px rgb(20 24 32 / 0.16);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.55;
  min-height: 100vh;
  padding-bottom: 5rem;
}

@media (min-width: 640px) {
  body {
    padding-bottom: 0;
  }
}

::selection {
  background-color: var(--color-navy);
  color: var(--color-paper);
}

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

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

button:not(:disabled),
[role="button"]:not(:disabled) {
  cursor: pointer;
}

/* Typography Utilities */
.font-display {
  font-family: var(--font-display);
}

.font-mono {
  font-family: var(--font-mono);
}

.font-sans {
  font-family: var(--font-sans);
}

.italic {
  font-style: italic;
}

.text-ink { color: var(--color-ink); }
.text-navy { color: var(--color-navy); }
.text-muted { color: var(--color-muted); }
.text-subtle { color: var(--color-subtle); }
.text-blue { color: var(--color-blue); }
.text-paper { color: var(--color-paper); }

.bg-paper { background-color: var(--color-paper); }
.bg-paper-2 { background-color: var(--color-paper-2); }
.bg-cream { background-color: var(--color-cream); }
.bg-navy { background-color: var(--color-navy); }
.bg-navy-deep { background-color: var(--color-navy-deep); }
.bg-ink { background-color: var(--color-ink); }

.border-line { border-color: var(--color-line); }

/* Layout Containers */
.container {
  width: 100%;
  max-width: 72rem; /* 6xl */
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 640px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* Eyebrow / Numbered Labels */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--color-navy);
}

.eyebrow-num {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--color-subtle);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 500;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  transition: all 150ms var(--ease-out);
  border: 1px solid transparent;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-navy);
  color: var(--color-paper);
}

.btn-primary:hover {
  background-color: var(--color-navy-deep);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-line-strong);
  color: var(--color-ink);
}

.btn-outline:hover {
  background-color: var(--color-paper-2);
  border-color: var(--color-ink);
}

.btn-on-navy {
  background-color: var(--color-paper);
  color: var(--color-navy);
}

.btn-on-navy:hover {
  background-color: var(--color-cream);
}

.btn-lg {
  min-height: 3.5rem;
  padding: 0 1.5rem;
  font-size: 1rem;
}

.btn-sm {
  min-height: 2.75rem;
  padding: 0 1rem;
  font-size: 0.875rem;
}

/* Sticky Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(214, 208, 194, 0.8);
  background-color: rgba(244, 241, 232, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  height: 4rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

@media (min-width: 640px) {
  .header-inner {
    height: 4.25rem;
  }
}

.header-brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.header-logo {
  height: 2rem;
  width: auto;
  max-width: min(58vw, 16rem);
  object-fit: contain;
  object-position: left;
}

@media (min-width: 640px) {
  .header-logo {
    height: 2.25rem;
  }
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

@media (min-width: 640px) {
  .header-nav {
    gap: 1.25rem;
  }
}

.header-nav-link {
  display: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: color 150ms ease;
}

.header-nav-link:hover {
  color: var(--color-ink);
}

@media (min-width: 640px) {
  .header-nav-link {
    display: inline-block;
  }
}

/* Hero Section */
.hero-section {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 0.38fr;
  }
}

.hero-main {
  padding: 3rem 1.25rem;
}

@media (min-width: 640px) {
  .hero-main {
    padding: 5rem 2rem;
  }
}

@media (min-width: 1024px) {
  .hero-main {
    padding: 6rem 2rem;
  }
}

.hero-tag {
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--color-navy);
}

.hero-title {
  margin-top: 1.25rem;
  font-family: var(--font-display);
  font-size: 2.6rem;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-ink);
}

@media (min-width: 640px) {
  .hero-title {
    font-size: 3.75rem;
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 4.25rem;
  }
}

.hero-description {
  margin-top: 1.5rem;
  max-width: 36rem;
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--color-muted);
}

@media (min-width: 640px) {
  .hero-description {
    font-size: 1.25rem;
  }
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .hero-actions {
    flex-direction: row;
    align-items: center;
  }
}

.hero-note {
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--color-subtle);
}

.hero-sidebar {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-top: 1px solid var(--color-line);
  background-color: rgba(235, 230, 216, 0.5);
}

@media (min-width: 1024px) {
  .hero-sidebar {
    border-top: none;
    border-left: 1px solid var(--color-line);
  }
}

.hero-fact {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  border-bottom: 1px solid var(--color-line);
  padding: 1.25rem 1.25rem;
}

@media (min-width: 640px) {
  .hero-fact {
    padding: 1.25rem 1.75rem;
  }
}

.hero-fact:last-child {
  border-bottom: none;
}

.hero-fact-key {
  font-size: 0.625rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-subtle);
}

.hero-fact-val {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-ink);
}

@media (min-width: 640px) {
  .hero-fact-val {
    font-size: 1.5rem;
  }
}

/* Sections General */
section {
  scroll-margin-top: 5rem;
}

.section-py {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

@media (min-width: 640px) {
  .section-py {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }
}

.section-heading {
  margin-top: 1rem;
  font-family: var(--font-display);
  font-size: 2.25rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

@media (min-width: 640px) {
  .section-heading {
    font-size: 3rem;
  }
}

/* Section 1: Purpose */
.purpose-grid {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 1024px) {
  .purpose-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
  }
}

.quote-box {
  border-left: 2px solid var(--color-navy);
  padding-left: 1.25rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.35;
  color: var(--color-ink);
}

/* Section 2: Who */
.who-grid {
  margin-top: 2.5rem;
  display: grid;
  gap: 1px;
  background-color: var(--color-line);
}

@media (min-width: 640px) {
  .who-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.who-item {
  display: flex;
  gap: 1rem;
  background-color: var(--color-paper);
  padding: 1.5rem 0;
}

@media (min-width: 640px) {
  .who-item {
    padding: 1.5rem;
  }
  .who-item:nth-child(odd) {
    padding-left: 0;
  }
  .who-item:nth-child(even) {
    padding-right: 0;
  }
  .who-item:last-child {
    grid-column: span 2;
  }
}

/* Section 3: Understand (Navy) */
.understand-section {
  background-color: var(--color-navy);
  color: var(--color-paper);
}

.understand-quote {
  margin-top: 2rem;
  max-width: 48rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-style: italic;
  line-height: 1.4;
  color: rgba(244, 241, 232, 0.9);
}

@media (min-width: 640px) {
  .understand-quote {
    font-size: 1.5rem;
  }
}

.understand-grid {
  margin-top: 3rem;
  display: grid;
  gap: 1rem 2.5rem;
  list-style: none;
}

@media (min-width: 640px) {
  .understand-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.understand-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: rgba(244, 241, 232, 0.85);
}

@media (min-width: 640px) {
  .understand-item {
    font-size: 1rem;
  }
}

.blue-dot {
  margin-top: 0.5rem;
  width: 0.375rem;
  height: 0.375rem;
  flex-shrink: 0;
  border-radius: 9999px;
  background-color: var(--color-blue);
}

/* Section 4: Chain */
.chain-pills {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.chain-badge {
  background-color: var(--color-paper-2);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-xs);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-ink);
}

.chain-arrow {
  color: var(--color-subtle);
  user-select: none;
}

/* Section 5: Days */
.days-grid {
  margin-top: 2.5rem;
  display: grid;
  gap: 1rem;
}

@media (min-width: 1024px) {
  .days-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.day-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-md);
  background-color: var(--color-cream);
  padding: 1.5rem;
  box-shadow: var(--shadow-border);
}

.day-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-subtle);
}

.day-title {
  margin-top: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.875rem;
  line-height: 1.15;
  color: var(--color-ink);
}

.day-subtitle {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.day-blocks {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-line);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  list-style: none;
}

.day-blocks li {
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--color-ink);
}

/* Section 6: Not This */
.not-grid {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 1024px) {
  .not-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.not-list {
  list-style: none;
  border-top: 1px solid var(--color-line);
}

.not-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-line);
}

.diamond-bullet {
  margin-top: 0.375rem;
  width: 0.5rem;
  height: 0.5rem;
  flex-shrink: 0;
  transform: rotate(45deg);
  background-color: rgba(5, 68, 147, 0.7);
}

/* Section 7: Shift Table */
.shift-card {
  margin-top: 2.5rem;
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: var(--color-cream);
  box-shadow: var(--shadow-border);
}

.shift-head {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  border-bottom: 1px solid var(--color-line);
  padding: 0.75rem 1.25rem;
  font-size: 0.625rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-subtle);
}

@media (min-width: 640px) {
  .shift-head {
    padding: 0.75rem 1.5rem;
  }
}

.shift-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  border-bottom: 1px solid var(--color-line);
  padding: 1.25rem 1.25rem;
}

@media (min-width: 640px) {
  .shift-row {
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 0;
    padding: 1.25rem 1.5rem;
  }
}

.shift-row:last-child {
  border-bottom: none;
}

/* Section 8: Fee */
.fee-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .fee-grid {
    grid-template-columns: 0.75fr 1.25fr;
  }
}

.fee-large {
  margin-top: 1.5rem;
  font-family: var(--font-display);
  font-size: 3.75rem;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-navy);
}

@media (min-width: 640px) {
  .fee-large {
    font-size: 4.5rem;
  }
}

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

.inclusion-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-line);
}

@media (min-width: 640px) {
  .inclusion-row {
    grid-template-columns: 8.5rem 1fr;
    gap: 1.5rem;
  }
}

.inclusion-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-subtle);
}

/* Section 9: FAQ Accordions */
.faq-wrap {
  margin-top: 2.5rem;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.faq-item {
  border-bottom: 1px solid var(--color-line);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-summary {
  display: flex;
  cursor: pointer;
  list-style: none;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  text-align: left;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-ink);
  padding: 1.25rem 0;
}

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

.faq-icon {
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-subtle);
  transition: transform 150ms ease;
  user-select: none;
}

details[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  margin-top: 0.25rem;
  margin-bottom: 1.25rem;
  max-width: 42rem;
  line-height: 1.6;
  color: var(--color-muted);
}

/* Section 10: Register Form */
.register-section {
  background-color: var(--color-navy);
  color: var(--color-paper);
}

.register-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .register-grid {
    grid-template-columns: 0.9fr 1.1fr;
  }
}

.form-card {
  border-radius: var(--radius-md);
  background-color: var(--color-paper);
  padding: 1.25rem;
  color: var(--color-ink);
  box-shadow: var(--shadow-border);
}

@media (min-width: 640px) {
  .form-card {
    padding: 1.75rem;
  }
}

.form-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .form-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .col-span-2 {
    grid-column: span 2;
  }
}

.form-field {
  display: flex;
  flex-direction: column;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  height: 2.75rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-line);
  background-color: var(--color-cream);
  padding: 0 0.875rem;
  font-size: 0.9375rem;
  color: var(--color-ink);
  outline: none;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.form-textarea {
  height: auto;
  padding: 0.75rem 0.875rem;
  resize: vertical;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-navy);
  box-shadow: 0 0 0 2px rgba(5, 68, 147, 0.2);
}

.radio-group {
  display: grid;
  gap: 0.5rem;
}

.radio-label {
  display: flex;
  min-height: 3rem;
  cursor: pointer;
  align-items: center;
  gap: 0.75rem;
  border-radius: var(--radius-xs);
  background-color: var(--color-cream);
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  box-shadow: 0 0 0 1px rgba(20, 24, 32, 0.12);
  transition: box-shadow 150ms ease;
}

.radio-label:has(input:checked) {
  box-shadow: 0 0 0 2px var(--color-navy);
}

.radio-label input[type="radio"] {
  accent-color: var(--color-navy);
  width: 1rem;
  height: 1rem;
}

.form-error {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: #dc2626;
  font-weight: 500;
}

.success-card {
  border-radius: var(--radius-md);
  background-color: var(--color-navy-deep);
  padding: 1.75rem;
  color: var(--color-paper);
  box-shadow: 0 0 0 1px rgba(244, 241, 232, 0.12);
}

.success-icon {
  display: flex;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  background-color: var(--color-paper);
  color: var(--color-navy);
}

/* Footer */
.site-footer {
  background-color: var(--color-ink);
  color: var(--color-paper);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-top: 3rem;
  padding-bottom: 3rem;
}

@media (min-width: 640px) {
  .footer-inner {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
}

.footer-top {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
}

@media (min-width: 640px) {
  .footer-top {
    flex-direction: row;
    align-items: flex-start;
  }
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-top: 1px solid rgba(244, 241, 232, 0.1);
  padding-top: 1.5rem;
  font-size: 0.75rem;
  color: rgba(244, 241, 232, 0.45);
}

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* Mobile Sticky Bottom Bar */
.mobile-sticky-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  border-top: 1px solid var(--color-line);
  background-color: rgba(244, 241, 232, 0.95);
  padding: 0.75rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

@media (min-width: 640px) {
  .mobile-sticky-bar {
    display: none;
  }
}

.mobile-sticky-btn {
  display: flex;
  height: 3rem;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  background-color: var(--color-navy);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-paper);
}

/* Animations */
@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(10px);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

.stagger-in > * {
  opacity: 0;
  animation: rise-in 500ms var(--ease-out) forwards;
}

.stagger-in > *:nth-child(1) { animation-delay: 40ms; }
.stagger-in > *:nth-child(2) { animation-delay: 120ms; }
.stagger-in > *:nth-child(3) { animation-delay: 200ms; }
.stagger-in > *:nth-child(4) { animation-delay: 280ms; }
.stagger-in > *:nth-child(5) { animation-delay: 360ms; }