/* ─── 5bar Landing Page ─────────────────────────────── */
/* Extends colors_and_type.css with landing-specific styles. */

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

html { scroll-behavior: smooth; }
body { min-height: 100vh; }

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

img { max-width: 100%; display: block; }

/* ─── Buttons ─────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border: 1px solid var(--color-ink-border);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.4);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 200ms ease;
  text-decoration: none;
}
.btn:hover { background: rgba(255,255,255,0.7); box-shadow: var(--shadow-paper); }

.btn-primary {
  border-color: var(--color-strength);
  background: var(--color-strength);
  color: var(--color-paper);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--color-paper);
}

.btn-lg { padding: 14px 28px; font-size: 15px; }
.btn-xl { padding: 18px 36px; font-size: 16px; letter-spacing: 0.02em; }

.btn-link {
  background: transparent; border-color: transparent;
  color: var(--color-ink-light); padding: 12px 0;
}
.btn-link:hover { background: transparent; box-shadow: none; color: var(--color-strength); }

/* ─── Nav ──────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 48px;
  background: rgba(246,243,234,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-ink-border);
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { width: 36px; height: 36px; mix-blend-mode: multiply; }
.nav-logo span {
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--color-ink);
  letter-spacing: 0.03em;
}
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-size: 13px;
  font-family: var(--font-body);
  color: var(--color-ink-light);
  letter-spacing: 0.02em;
  transition: color 150ms ease;
}
.nav-links a:hover { color: var(--color-ink); }
.nav-cta {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-strength);
  padding: 8px 16px;
  border: 1px solid var(--color-strength);
  border-radius: var(--radius);
  letter-spacing: 0.02em;
  transition: all 150ms ease;
}
.nav-cta:hover { background: var(--color-strength); color: var(--color-paper); }

@media (max-width: 920px) {
  .nav { padding: 12px 20px; }
  .nav-links { display: none; }
}

/* ─── Section base ────────────────────────────────── */
.section {
  padding: 96px 80px 112px;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
}
.section + .section { border-top: 1px solid var(--color-ink-border); }

.section-warm {
  background: var(--color-paper-warm);
  max-width: none;
  width: 100%;
}
.section-warm > * { max-width: 1120px; margin-left: auto; margin-right: auto; }
.section-warm > .section-marker,
.section-warm > .section-headline,
.section-warm > .section-lede { padding-left: 0; padding-right: 0; }

.section-marker {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-light);
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-ink-border);
  width: fit-content;
  min-width: 220px;
}

.section-headline {
  font-family: var(--font-heading);
  font-size: 56px;
  line-height: 1.08;
  color: var(--color-ink);
  letter-spacing: 0.01em;
  margin-bottom: 28px;
  max-width: 920px;
  text-wrap: pretty;
}
.section-headline em { font-style: italic; color: var(--color-strength); }
.section-headline-strike {
  position: relative;
  color: var(--color-ink-light);
  font-size: 38px;
  margin-top: -8px;
  margin-bottom: 40px;
}

.section-lede {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--color-ink);
  max-width: 720px;
  margin-bottom: 24px;
  text-wrap: pretty;
}
.section-lede strong { color: var(--color-strength); font-weight: 700; }

.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-light);
}

/* Three-line stanza — brand signature */
.stanza {
  font-family: var(--font-heading);
  font-size: 28px;
  line-height: 1.6;
  color: var(--color-ink);
  text-align: center;
  padding: 36px 24px;
  border: 1px dashed var(--color-ink-border);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.35);
  margin: 40px auto;
  max-width: 760px;
  letter-spacing: 0.01em;
}

/* ─── Hero ─────────────────────────────────────────── */
.hero {
  min-height: calc(100vh - 64px);
  padding: 80px 80px 60px;
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-left .eyebrow { margin-bottom: 32px; }

.hero-headline {
  font-family: var(--font-heading);
  font-size: 88px;
  line-height: 1.02;
  color: var(--color-ink);
  margin-bottom: 32px;
  letter-spacing: 0.005em;
}
.hero-headline .hand-underline {
  border-bottom-width: 6px;
  padding-bottom: 6px;
}
.hero-sub {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--color-ink);
  margin-bottom: 36px;
  max-width: 540px;
  text-wrap: pretty;
}
.hero-ctas {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.hero-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-ink-light);
  letter-spacing: 0.04em;
}

.hero-right {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}
.hero-character {
  width: 100%;
  max-width: 380px;
  border: 1px solid var(--color-ink-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper-lg);
  background: rgba(255,255,255,0.45);
  padding: 24px;
  transform: rotate(1.5deg);
}
.hero-character img {
  width: 100%;
  height: auto;
  mix-blend-mode: multiply;
}
.hero-margin-note {
  font-family: var(--font-heading);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-ink-light);
  border-left: 2px solid var(--color-ink-border);
  padding: 8px 0 8px 18px;
  max-width: 360px;
  transform: rotate(-0.5deg);
}

.hero-scroll {
  position: absolute;
  bottom: 24px;
  left: 80px;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-light);
  animation: nudge 2.4s ease-in-out infinite;
}
@keyframes nudge {
  0%, 100% { transform: translateY(0); opacity: 0.7; }
  50% { transform: translateY(6px); opacity: 1; }
}

/* ─── Problem section ──────────────────────────────── */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 16px;
}
.problem-card {
  background: rgba(255,255,255,0.45);
  border: 1px solid var(--color-ink-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
  padding: 28px;
}
.problem-card-good {
  background: rgba(255,255,255,0.6);
  border-color: var(--color-strength);
  border-width: 2px;
  position: relative;
}
.problem-card-good::after {
  content: '5bar';
  position: absolute;
  top: -12px; right: 18px;
  background: var(--color-strength);
  color: var(--color-paper);
  font-family: var(--font-heading);
  font-size: 14px;
  padding: 4px 12px;
  border-radius: var(--radius);
  letter-spacing: 0.04em;
}
.problem-card-eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-light);
  margin-bottom: 16px;
}

.checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}
.checklist li {
  padding-left: 28px;
  position: relative;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-ink);
}
.checklist-bad li::before {
  content: '✗';
  position: absolute; left: 0; top: 0;
  color: var(--color-error);
  font-weight: 700;
  font-size: 16px;
}
.checklist-bad li {
  color: var(--color-ink-light);
  text-decoration: line-through;
  text-decoration-color: rgba(122, 31, 46, 0.4);
  text-decoration-thickness: 1px;
}
.checklist-good li::before {
  content: '✓';
  position: absolute; left: 0; top: 0;
  color: var(--color-strength);
  font-weight: 700;
  font-size: 16px;
}
.problem-card-note {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-ink-light);
  line-height: 1.6;
  border-top: 1px dashed rgba(92,51,23,0.3);
  padding-top: 14px;
  margin-top: 8px;
  font-style: italic;
}

.margin-quote {
  margin: 64px auto 0;
  max-width: 640px;
  padding: 32px;
  background: rgba(255,255,255,0.4);
  border-left: 3px solid var(--color-error);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-heading);
  font-size: 22px;
  line-height: 1.5;
  color: var(--color-ink);
}
.margin-quote em { font-style: italic; color: var(--color-efficiency); }
.margin-quote-attr {
  display: block;
  margin-top: 18px;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-ink-light);
  text-transform: uppercase;
}

/* ─── Goal section: pillars ───────────────────────── */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 48px 0 56px;
}
.pillar {
  background: rgba(255,255,255,0.55);
  border: 1px solid var(--color-ink-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
}
.pillar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
}
.pillar-strength::before { background: var(--color-strength); }
.pillar-endurance::before { background: var(--color-endurance); }
.pillar-mobility::before { background: var(--color-error); }
.pillar-speed::before { background: var(--color-efficiency); }

.pillar-num {
  position: absolute; top: 20px; right: 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-ink-light);
  letter-spacing: 0.08em;
}
.pillar-label {
  font-family: var(--font-heading);
  font-size: 26px;
  margin-bottom: 16px;
  letter-spacing: 0.01em;
}
.pillar-strength .pillar-label { color: var(--color-strength); }
.pillar-endurance .pillar-label { color: var(--color-endurance); }
.pillar-mobility .pillar-label { color: var(--color-error); }
.pillar-speed .pillar-label { color: var(--color-efficiency); }
.pillar-text {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--color-ink);
}

.goal-callout {
  background: rgba(255,255,255,0.45);
  border: 1px solid var(--color-ink-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
  padding: 36px 40px;
  margin: 8px auto 56px;
  max-width: 820px;
}
.goal-callout-headline {
  font-family: var(--font-heading);
  font-size: 22px;
  line-height: 1.5;
  color: var(--color-error);
  margin-bottom: 20px;
}
.goal-callout p {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-ink);
  margin-bottom: 14px;
  text-wrap: pretty;
}
.goal-callout p:last-child { margin-bottom: 0; }
.goal-callout strong {
  font-weight: 700;
  color: var(--color-strength);
}

.goal-scale {
  text-align: center;
  padding: 32px 24px;
  border-top: 1px dashed var(--color-ink-border);
  border-bottom: 1px dashed var(--color-ink-border);
  max-width: 820px;
  margin: 0 auto;
}
.goal-scale-label {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-light);
  display: inline-block;
  margin: 8px 0 14px;
}
.goal-scale-row {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.goal-scale-tag {
  font-family: var(--font-body);
  font-size: 13px;
  padding: 6px 14px;
  border: 1px solid var(--color-ink-border);
  border-radius: 999px;
  background: rgba(255,255,255,0.45);
  color: var(--color-ink);
}
.goal-scale-note {
  font-family: var(--font-heading);
  font-size: 16px;
  color: var(--color-ink);
  margin-top: 12px;
  letter-spacing: 0.02em;
}

/* ─── Vectors / planes ────────────────────────────── */
.vectors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 48px 0 64px;
}
.vector-card {
  background: rgba(255,255,255,0.5);
  border: 1px solid var(--color-ink-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
  padding: 24px 22px;
  position: relative;
  overflow: hidden;
}
.vector-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
}
.vc-s::before { background: var(--color-strength); }
.vc-en::before { background: var(--color-endurance); }
.vc-ef::before { background: var(--color-efficiency); }
.vc-m::before { background: var(--color-error); }

.vector-card-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-ink-light);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.vector-card-name {
  font-family: var(--font-heading);
  font-size: 22px;
  margin-bottom: 4px;
  letter-spacing: 0.01em;
}
.vc-s .vector-card-name { color: var(--color-strength); }
.vc-en .vector-card-name { color: var(--color-endurance); }
.vc-ef .vector-card-name { color: var(--color-efficiency); }
.vc-m .vector-card-name { color: var(--color-error); }
.vector-card-unit {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-ink-light);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(92,51,23,0.3);
}
.vector-card p {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--color-ink);
}

.planes {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
  margin-top: 40px;
}
.planes-eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-light);
  margin-bottom: 14px;
}
.planes-headline {
  font-family: var(--font-heading);
  font-size: 24px;
  line-height: 1.5;
  margin-bottom: 20px;
  color: var(--color-ink);
}
.planes-text p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-ink);
  margin-bottom: 18px;
}
.planes-stanza {
  font-family: var(--font-heading) !important;
  font-size: 18px !important;
  line-height: 1.7 !important;
  color: var(--color-ink) !important;
  border-left: 3px solid var(--color-strength);
  padding: 4px 0 4px 18px;
  margin-top: 24px !important;
}
.planes-image {
  border: 1px solid var(--color-ink-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper-lg);
  background: rgba(255,255,255,0.55);
  padding: 18px;
  transform: rotate(-1deg);
}
.planes-image img { width: 100%; mix-blend-mode: multiply; }
.planes-image-caption {
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--color-ink-light);
  letter-spacing: 0.04em;
  text-align: center;
  margin-top: 12px;
  font-style: italic;
}

/* ─── Science section ─────────────────────────────── */
.science-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
  margin: 40px 0;
}
.science-card {
  background: rgba(255,255,255,0.5);
  border: 1px solid var(--color-ink-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.science-card-eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-light);
}
.science-card-title {
  font-family: var(--font-heading);
  font-size: 22px;
  line-height: 1.3;
  color: var(--color-ink);
  margin-bottom: 4px;
  letter-spacing: 0.01em;
}
.science-card p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-ink);
}
.science-card strong { color: var(--color-strength); }
.science-card em { font-style: italic; }
.science-stanza {
  font-family: var(--font-heading) !important;
  font-size: 17px !important;
  line-height: 1.65 !important;
  padding: 14px 16px;
  border-left: 3px solid var(--color-strength);
  background: rgba(255,255,255,0.45);
  margin-top: 4px;
}

.acwr-diagram {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 1px;
  margin-top: 8px;
  background: var(--color-ink-border);
  border: 1px solid var(--color-ink-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.acwr-zone {
  padding: 14px 12px;
  text-align: center;
  background: rgba(255,255,255,0.55);
}
.acwr-zone-range {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-ink-light);
  letter-spacing: 0.04em;
}
.acwr-zone-label {
  font-family: var(--font-heading);
  font-size: 16px;
  margin: 4px 0;
}
.acwr-zone-note {
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--color-ink-light);
}
/* ─── 3-input + outcome layout ────────────────────── */
.vectors-row {
  display: grid;
  grid-template-columns: 3fr 1.4fr;
  gap: 24px;
  align-items: stretch;
}
.vectors-inputs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.vector-outcome {
  border: 2px solid var(--color-error);
  border-radius: var(--radius);
  padding: 28px 24px;
  background: rgba(122,31,46,0.04);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}
.vector-outcome-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-error);
  opacity: 0.7;
}
.vector-outcome-name {
  font-family: var(--font-heading);
  font-size: 32px;
  color: var(--color-error);
  line-height: 1.1;
}
.vector-outcome-body {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--color-ink-light);
}

.acwr-under { background: #EDEAD8; }
.acwr-under .acwr-zone-range { color: var(--color-ink-light); }
.acwr-under .acwr-zone-label { color: var(--color-efficiency); }
.acwr-under .acwr-zone-note { color: var(--color-ink-light); }
.acwr-sweet { background: #E4EAD8; }
.acwr-sweet .acwr-zone-range { color: var(--color-strength); opacity: 0.8; }
.acwr-sweet .acwr-zone-label { color: var(--color-strength); font-weight: 700; }
.acwr-sweet .acwr-zone-note { color: var(--color-strength); opacity: 0.8; }
.acwr-risk { background: #EDD8DC; }
.acwr-risk .acwr-zone-range { color: var(--color-error); opacity: 0.8; }
.acwr-risk .acwr-zone-label { color: var(--color-error); }
.acwr-risk .acwr-zone-note { color: var(--color-error); opacity: 0.8; }

.science-card-cite {
  font-family: var(--font-body);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--color-ink-light);
  border-top: 1px dashed rgba(92,51,23,0.3);
  padding-top: 12px;
  margin-top: auto;
  font-style: italic;
}

.science-bottom {
  max-width: 760px;
  margin: 24px auto 0;
  text-align: center;
  padding: 24px 24px 0;
  border-top: 1px dashed var(--color-ink-border);
}
.science-bottom p {
  font-family: var(--font-heading);
  font-size: 19px;
  line-height: 1.65;
  color: var(--color-ink);
  text-wrap: pretty;
}
.science-bottom em { font-style: italic; color: var(--color-strength); }

/* ─── Tech section ────────────────────────────────── */
.tech-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  margin-top: 40px;
  align-items: flex-start;
}
.tech-left p {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-ink);
  margin-bottom: 22px;
}
.tech-left strong { color: var(--color-strength); }
.tech-left em { font-style: italic; }

.tech-quote {
  font-family: var(--font-heading) !important;
  font-size: 18px !important;
  line-height: 1.65 !important;
  padding: 20px 24px !important;
  background: rgba(255,255,255,0.5);
  border: 1px solid var(--color-ink-border);
  border-left: 3px solid var(--color-error);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--color-ink) !important;
  margin-top: 16px !important;
}

.tech-stack {
  background: rgba(255,255,255,0.5);
  border: 1px solid var(--color-ink-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
  padding: 28px 24px;
  position: sticky;
  top: 100px;
}
.tech-stack-title {
  font-family: var(--font-heading);
  font-size: 16px;
  color: var(--color-ink);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-ink-border);
  letter-spacing: 0.02em;
}
.tech-stack ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 18px;
}
.tech-stack li {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--color-ink);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(92,51,23,0.25);
}
.tech-stack li:last-child { border-bottom: none; }
.ts-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 6px;
}
.ts-dot-s { background: var(--color-strength); }
.ts-dot-en { background: var(--color-endurance); }
.ts-dot-ef { background: var(--color-efficiency); }
.ts-dot-m { background: var(--color-error); }
.tech-stack-note {
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-ink-light);
  font-style: italic;
  padding-top: 8px;
  text-align: center;
}

/* ─── Product section ─────────────────────────────── */
.shots {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 28px;
  margin-top: 48px;
}
.shot {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.shot-frame {
  border: 1px solid var(--color-ink-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper-lg);
  background: rgba(255,255,255,0.5);
  padding: 14px;
  overflow: hidden;
}
.shot-frame img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  display: block;
}
.shot-1 .shot-frame { transform: rotate(-1deg); }
.shot-2 .shot-frame { transform: rotate(0.5deg); }
.shot-3 .shot-frame { transform: rotate(-0.5deg); }

.shot figcaption {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0 8px;
}
.shot-cap-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-ink-light);
  letter-spacing: 0.1em;
}
.shot-cap-title {
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--color-ink);
  letter-spacing: 0.01em;
}
.shot-cap-text {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-ink-light);
}

/* ─── Principles section ──────────────────────────── */
.principles-list {
  display: flex;
  flex-direction: column;
  margin-top: 40px;
  max-width: 860px;
}
.principle {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px dashed var(--color-ink-border);
  cursor: pointer;
  transition: background 150ms ease;
}
.principle:hover { background: rgba(255,255,255,0.35); padding-left: 12px; padding-right: 12px; }
.principle:last-child { border-bottom: none; }
.principle-num {
  font-family: var(--font-mono);
  font-size: 24px;
  color: var(--color-ink-light);
  letter-spacing: 0.06em;
}
.principle-title {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--color-ink);
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}
.principle-excerpt {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--color-ink-light);
  margin-bottom: 10px;
  max-width: 640px;
}
.principle-meta {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-light);
}

/* ─── CTA ─────────────────────────────────────────── */
.cta {
  text-align: center;
  padding: 120px 40px;
  border-top: 1px solid var(--color-ink-border);
  background:
    radial-gradient(rgba(0,0,0,0.04) 1px, transparent 1px) 0 0 / 8px 8px,
    var(--color-paper);
}
.cta-mark img {
  width: 80px; height: 80px;
  margin: 0 auto 32px;
  mix-blend-mode: multiply;
}
.cta-headline {
  font-family: var(--font-heading);
  font-size: 72px;
  line-height: 1.05;
  color: var(--color-ink);
  margin-bottom: 24px;
  letter-spacing: 0.005em;
}
.cta-sub {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-ink-light);
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto; margin-right: auto;
}
.cta-fine {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-ink-light);
  margin-top: 32px;
  letter-spacing: 0.02em;
  max-width: 480px;
  margin-left: auto; margin-right: auto;
  line-height: 1.6;
}

/* ─── Footer ──────────────────────────────────────── */
.foot {
  background: var(--color-paper-warm);
  border-top: 1px solid var(--color-ink-border);
  padding: 64px 80px 32px;
  display: grid;
  grid-template-columns: 1.3fr 2fr;
  gap: 64px;
}
.foot-logo {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}
.foot-logo img { width: 40px; height: 40px; mix-blend-mode: multiply; }
.foot-logo span {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--color-ink);
}
.foot-left p {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--color-ink-light);
  max-width: 360px;
}
.foot-right {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.foot-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.foot-col-title {
  font-family: var(--font-heading);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--color-ink);
  margin-bottom: 4px;
}
.foot-col a {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-ink-light);
  transition: color 150ms ease;
}
.foot-col a:hover { color: var(--color-strength); }
.foot-bottom {
  grid-column: 1 / -1;
  border-top: 1px dashed rgba(92,51,23,0.3);
  padding-top: 24px;
  margin-top: 16px;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-ink-light);
  text-align: center;
}

/* ─── Responsive ──────────────────────────────────── */
@media (max-width: 980px) {
  .section { padding: 72px 32px 88px; }
  .hero { padding: 48px 32px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-headline { font-size: 56px; }
  .hero-scroll { left: 32px; }
  .section-headline { font-size: 38px; }
  .section-headline-strike { font-size: 26px; }
  .problem-grid, .pillars, .planes, .tech-grid, .science-grid, .shots {
    grid-template-columns: 1fr;
  }
  .vectors-row { grid-template-columns: 1fr; }
  .vectors-inputs { grid-template-columns: repeat(2, 1fr); }
  .vector-outcome { padding: 24px; }
  .cta-headline { font-size: 48px; }
  .foot { grid-template-columns: 1fr; padding: 48px 32px 24px; }
  .foot-right { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .hero-headline { font-size: 42px; }
  .section-headline { font-size: 30px; }
  .stanza { font-size: 20px; padding: 24px 16px; }
  .vectors-grid { grid-template-columns: 1fr; }
}

/* ─── Short-viewport (MacBook Air 13" and similar laptops) ─
 *  Viewport height ≤ 820px (Chrome on 1280×800 gives ~740px).
 *  Keep two-column layout; compress vertical rhythm so the full
 *  hero fits above the fold without scrolling.
 * ─────────────────────────────────────────────────────────── */
@media (max-height: 820px) and (min-width: 981px) {
  .hero {
    min-height: calc(100vh - 64px);
    padding: 36px 80px 32px;
  }
  .hero-left .eyebrow { margin-bottom: 16px; }
  .hero-headline {
    font-size: 64px;
    margin-bottom: 20px;
  }
  .hero-sub {
    font-size: 15px;
    line-height: 1.65;
    margin-bottom: 20px;
  }
  .hero-ctas { margin-bottom: 20px; }
  .hero-character { max-width: 300px; padding: 16px; }
  .hero-right { gap: 20px; }
  .hero-margin-note { font-size: 14px; }
  .hero-scroll { bottom: 12px; }
}