/* ── SEAMUNS design tokens (light theme, logo palette) ── */
:root {
  --black: #000000;
  --navy-950: #001428;
  --navy-900: #002147;
  --navy-800: #0a2d5c;
  --navy-700: #133d75;
  --navy-600: #1a4f8f;
  --cyan-600: #0097b2;
  --cyan-500: #00b8d4;
  --cyan-400: #00c8e8;
  --cyan-300: #5ce4f7;
  --cyan-glow: rgba(0, 200, 232, 0.2);
  --cyan-soft: rgba(0, 200, 232, 0.1);
  --bg: #f4f8fb;
  --bg-alt: #e8f2f8;
  --surface: #ffffff;
  --surface-muted: #f0f6fa;
  --text: #0a1f35;
  --text-muted: #4a6578;
  --border: rgba(0, 33, 71, 0.12);
  --border-strong: rgba(0, 151, 178, 0.45);
  --shadow-sm: 0 1px 4px rgba(0, 33, 71, 0.06);
  --shadow-md: 0 6px 24px rgba(0, 33, 71, 0.08);
  --shadow-glow: 0 4px 20px rgba(0, 200, 232, 0.15);
  --radius: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-serif: "Playfair Display", Georgia, serif;
  --header-h: 72px;
  --max-w: 1120px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 70% 45% at 50% -5%, rgba(0, 200, 232, 0.1) 0%, transparent 55%),
    radial-gradient(circle at 90% 95%, rgba(0, 33, 71, 0.04) 0%, transparent 35%);
}

body > * {
  position: relative;
  z-index: 1;
}

/* ── Accessibility ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--cyan-400);
  color: var(--black);
  font-weight: 700;
  text-decoration: none;
  border-radius: 0 0 8px 8px;
}

.skip-link:focus {
  top: 0;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(244, 248, 251, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}

.logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-text {
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy-800);
}

.site-nav {
  display: flex;
  gap: 4px;
}

.site-nav a {
  padding: 8px 14px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--cyan-600);
  background: var(--cyan-soft);
  border-color: var(--border);
}

.site-nav a.is-active {
  color: var(--navy-900);
  background: var(--surface);
  border-color: var(--border-strong);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--navy-800);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Hero ── */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 56px 24px 80px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: end;
}

.hero-logo {
  display: block;
  width: 180px;
  height: 180px;
  object-fit: contain;
  margin-bottom: 20px;
}

.hero-motto {
  margin: 0 0 20px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan-600);
}

.hero-eyebrow {
  margin: 0 0 16px;
}

.hero-eyebrow span {
  display: inline-block;
  padding: 6px 18px;
  background: var(--navy-900);
  border: 2px solid var(--cyan-400);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-300);
}

.hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
  letter-spacing: -0.01em;
}

.hero-lead {
  margin: 0 0 32px;
  max-width: 540px;
  font-size: 1.1rem;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.hero-note {
  margin: 0;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--cyan-500);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
}

.hero-note strong {
  color: var(--navy-800);
}

.hero-stats {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stat {
  display: flex;
  flex-direction: column;
  padding: 22px 28px;
  background: var(--navy-900);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  min-width: 160px;
  box-shadow: var(--shadow-glow);
  position: relative;
  overflow: hidden;
}

.stat::before {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(0, 229, 255, 0.12);
  border-radius: calc(var(--radius-lg) - 4px);
  pointer-events: none;
}

.stat-value {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan-400);
}

.stat-label {
  margin-top: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--cyan-500);
  color: var(--navy-950);
  border-color: var(--cyan-500);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  box-shadow: 0 4px 24px rgba(0, 200, 232, 0.35);
}

.btn-secondary {
  background: var(--surface);
  color: var(--navy-800);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background: var(--cyan-soft);
  border-color: var(--cyan-500);
  color: var(--cyan-600);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8rem;
}

/* ── Sections ── */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px 24px;
}

.section-header {
  margin-bottom: 48px;
  max-width: 640px;
}

.section-eyebrow {
  margin: 0 0 16px;
}

.section-eyebrow span {
  display: inline-block;
  padding: 6px 20px;
  background: var(--navy-900);
  border: 2px solid var(--cyan-400);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-300);
}

.section h2 {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--text);
}

.section-intro {
  margin: 0;
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* ── Pillars grid ── */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.pillar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative;
}

.pillar-card::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(0, 200, 232, 0.12);
  border-radius: calc(var(--radius-lg) - 4px);
  pointer-events: none;
}

.pillar-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.pillar-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-bottom: 16px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--navy-900);
  background: var(--cyan-400);
  border-radius: 50%;
}

.pillar-card h3 {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.pillar-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.pillar-card li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 14px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.pillar-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  background: var(--cyan-500);
  border-radius: 50%;
}

.pillar-card strong {
  color: var(--navy-800);
  font-weight: 600;
}

/* ── Steps timeline ── */
.section-steps {
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
  max-width: none;
  padding-left: max(24px, calc((100vw - var(--max-w)) / 2 + 24px));
  padding-right: max(24px, calc((100vw - var(--max-w)) / 2 + 24px));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: var(--max-w);
  margin-inline: auto;
  position: relative;
}

.steps-timeline::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan-400), var(--navy-700));
  border-radius: 1px;
  opacity: 0.6;
}

.step-card {
  position: relative;
  margin-bottom: 20px;
  padding-left: 64px;
}

.step-card::before {
  content: attr(data-step);
  position: absolute;
  left: 0;
  top: 24px;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: var(--navy-900);
  color: var(--cyan-300);
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 50%;
  border: 2px solid var(--cyan-400);
  box-shadow: var(--shadow-md);
  z-index: 1;
}

.step-card > .step-header,
.step-card > .step-body {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.step-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}

.step-badge {
  display: none;
}

.step-header h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.step-body {
  padding: 18px 22px 22px;
}

.step-body p {
  margin: 0 0 12px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.step-lead {
  font-size: 1rem !important;
  color: var(--text) !important;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px !important;
}

.step-body h4 {
  margin: 18px 0 10px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cyan-600);
}

.step-body h4:first-child {
  margin-top: 0;
}

.step-body ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.step-body li {
  margin-bottom: 8px;
}

.step-body li:last-child {
  margin-bottom: 0;
}

.detail-list {
  list-style: none;
  padding-left: 0;
  margin: 0 0 12px;
}

.detail-list li {
  padding: 10px 14px;
  margin-bottom: 8px;
  background: var(--surface-muted);
  border-radius: 8px;
  border-left: 3px solid var(--cyan-500);
}

/* ── Lettered sub-steps ── */
.substep-list {
  counter-reset: substep-counter;
  list-style: none;
  padding-left: 0;
  margin: 0 0 16px;
}

.substep-list > li {
  counter-increment: substep-counter;
  position: relative;
  padding: 12px 14px 12px 44px;
  margin-bottom: 10px;
  background: var(--surface-muted);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.substep-list > li::before {
  content: counter(substep-counter, lower-alpha);
  position: absolute;
  left: 12px;
  top: 12px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  background: var(--cyan-500);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 50%;
}

.substep-list > li > strong {
  display: block;
  color: var(--navy-800);
}

.substep-detail {
  margin: 8px 0 0;
  padding-left: 20px;
  border-left: 2px solid var(--border-strong);
  list-style: disc;
  font-size: 0.9rem;
}

.substep-detail li {
  margin-bottom: 6px;
}

.meta {
  color: var(--text-muted);
  font-size: 0.875em;
  font-style: italic;
  opacity: 0.85;
}

.team-list {
  list-style: none;
  padding-left: 0 !important;
}

.team-list li {
  padding: 10px 14px;
  margin-bottom: 6px;
  background: var(--surface-muted);
  border-radius: 8px;
  border-left: 3px solid var(--cyan-500);
}

.team-list li strong {
  color: var(--navy-800);
}

.external-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--cyan-600);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-500);
  transition: color var(--transition), border-color var(--transition);
}

.external-link:hover {
  color: var(--navy-800);
  border-color: var(--navy-800);
}

/* ── Form templates ── */
.templates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.template-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.template-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.template-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy-900);
  background: var(--cyan-400);
  border-radius: var(--radius-pill);
}

.template-card h3 {
  margin: 4px 0 0;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy-800);
}

.template-card p {
  margin: 0;
  flex: 1;
  color: var(--text-muted);
}

/* ── Checklist ── */
.section-checklist {
  padding-bottom: 100px;
}

.checklist-groups {
  display: grid;
  gap: 24px;
}

.checklist-group {
  margin: 0;
  padding: 0;
  border: none;
  min-width: 0;
}

.checklist-group legend {
  display: block;
  width: 100%;
  margin-bottom: 12px;
  padding: 10px 16px;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy-900);
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-left: 3px solid var(--cyan-500);
  border-radius: var(--radius);
}

.checklist-group.is-complete legend {
  background: var(--cyan-soft);
  border-color: var(--border-strong);
  color: var(--cyan-600);
}

.checklist-group .checklist {
  margin: 0;
}

.checklist-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.checklist-progress {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cyan-600);
}

.checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.checklist label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  box-shadow: var(--shadow-sm);
}

.checklist label:hover {
  border-color: var(--border-strong);
  background: var(--surface-muted);
}

.checklist input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--cyan-600);
  flex-shrink: 0;
  cursor: pointer;
}

.checklist label:has(input:checked) {
  background: var(--cyan-soft);
  border-color: var(--border-strong);
}

.checklist label:has(input:checked) span {
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-color: var(--cyan-500);
}

.checklist-group .checklist-sub {
  margin: 8px 0 0 32px;
  padding-left: 16px;
  border-left: 2px solid var(--border-strong);
  gap: 6px;
}

.checklist-sub label {
  padding: 10px 16px;
  font-size: 0.92rem;
  background: var(--surface-muted);
  box-shadow: none;
}

.checklist-sub input[type="checkbox"] {
  width: 17px;
  height: 17px;
}

/* ── Footer ── */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  padding: 48px 24px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}

.footer-logo {
  display: block;
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto 16px;
}

.footer-inner p {
  margin: 0 0 8px;
  color: var(--text);
}

.footer-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 24px !important;
}

.back-to-top {
  display: inline-block;
  color: var(--cyan-600);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.back-to-top:hover {
  border-bottom-color: var(--cyan-600);
}

.footer-note a {
  color: var(--cyan-600);
}

.hero-note .external-link {
  border-bottom-color: var(--cyan-500);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 32px;
  }

  .hero-stats {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .stat {
    flex: 1;
    min-width: 120px;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 16px 24px 24px;
    background: rgba(244, 248, 251, 0.98);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    padding: 12px 16px;
  }

  .pillars-grid {
    grid-template-columns: 1fr;
  }

  .steps-timeline::before {
    left: 19px;
  }

  .step-card {
    padding-left: 52px;
  }

  .step-card::before {
    width: 40px;
    height: 40px;
    font-size: 0.75rem;
  }

  .templates-grid {
    grid-template-columns: 1fr;
  }

  .checklist-group .checklist-sub {
    margin-left: 14px;
    padding-left: 12px;
  }

  .substep-detail {
    padding-left: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .pillar-card:hover,
  .btn:hover {
    transform: none;
  }
}

@media print {
  body {
    background: white;
    color: black;
  }

  body::before {
    display: none;
  }

  .site-header,
  .nav-toggle,
  .hero-actions,
  .section-checklist,
  .site-footer .back-to-top {
    display: none;
  }

  .hero-stats {
    display: none;
  }

  .pillar-card,
  .step-card > .step-header,
  .step-card > .step-body {
    break-inside: avoid;
    box-shadow: none;
    background: white;
    border: 1px solid #ccc;
    color: black;
  }
}