:root {
  --forest: #244926;
  --forest-deep: #17331a;
  --forest-soft: #315f34;
  --cedar: #b85728;
  --gold: #facb01;
  --brown: #341e14;
  --ink: #27312b;
  --muted: #667069;
  --cream: #f6f2e9;
  --cream-deep: #ece5d6;
  --white: #fff;
  --line: rgba(52, 30, 20, .15);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shell: min(1180px, calc(100vw - 3rem));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--cream); font-family: var(--sans); line-height: 1.6; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--brown); font-family: var(--serif); font-weight: 400; letter-spacing: -.035em; line-height: 1.08; }
.section-shell { width: var(--shell); margin-inline: auto; }
.section-label, .eyebrow, .card-label { display: block; color: var(--cedar); font-size: .67rem; font-weight: 850; letter-spacing: .15em; text-transform: uppercase; }

.skip-link { position: fixed; z-index: 100; left: 1rem; top: -5rem; padding: .75rem 1rem; color: var(--white); background: var(--forest-deep); }
.skip-link:focus { top: 1rem; }

.site-header {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 0 max(1.5rem, calc((100vw - 1180px) / 2));
  color: var(--white);
  background: var(--forest-deep);
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.brand-pair { display: flex; align-items: center; gap: .75rem; }
.brand-pair > span { opacity: .45; font: 1.2rem var(--serif); }
.sierra-logo { width: 112px; max-height: 44px; }
.losung-logo { width: 86px; max-height: 28px; object-fit: contain; }
.site-header p { margin: 0; color: rgba(255,255,255,.62); font-size: .7rem; }

.hero { min-height: 560px; display: grid; grid-template-columns: 1.1fr .9fr; color: var(--white); background: var(--forest-deep); }
.hero-copy { align-self: center; width: min(100%, 760px); margin-left: max(1.5rem, calc((100vw - 1180px) / 2)); padding: 5.4rem clamp(2rem, 5vw, 5.5rem) 5.4rem 0; }
.eyebrow { color: var(--gold); }
.hero h1 { max-width: 720px; margin: 1rem 0 1.35rem; color: var(--white); font-size: clamp(3.5rem, 6vw, 6.4rem); }
.hero p { max-width: 660px; margin-bottom: 2rem; color: rgba(255,255,255,.7); font-size: 1rem; }
.hero a { display: inline-flex; align-items: center; gap: .75rem; padding-bottom: .3rem; border-bottom: 1px solid rgba(255,255,255,.35); font-size: .73rem; font-weight: 800; }
.hero a span { color: var(--gold); }
.hero-image { min-height: 560px; background: linear-gradient(rgba(23,51,26,.12), rgba(23,51,26,.18)), url("assets/hero.jpg") 64% center / cover no-repeat; }

.problem { padding: 7.5rem 0; }
.problem > .section-label { margin-bottom: 2rem; }
.problem-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(3rem, 8vw, 8rem); }
.problem h2 { margin: 0; font-size: clamp(2.8rem, 4.5vw, 4.8rem); }
.problem-copy p { margin-bottom: 1.15rem; color: var(--muted); font-size: .94rem; }
.problem-copy strong { color: var(--forest); }

.perspective { padding: 6.5rem 0; color: var(--white); background: var(--forest); }
.perspective-inner { display: block; }
.perspective .section-label { color: var(--gold); }
.perspective h2 { margin: .8rem 0 1rem; color: var(--white); font-size: clamp(2.7rem, 4vw, 4.4rem); }
.perspective-copy { display: grid; grid-template-columns: .7fr 1.3fr; gap: 5rem; align-items: end; }
.perspective-copy .section-label { grid-column: 1 / -1; margin-bottom: -4rem; }
.perspective-copy h2 { margin-bottom: 0; }
.perspective-copy p { margin: 0; color: rgba(255,255,255,.65); font-size: .9rem; }
.sequence { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; margin-top: 3rem; }
.sequence a { position: relative; min-height: 205px; display: flex; flex-direction: column; padding: 1.5rem; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.055); transition: background .2s ease, border-color .2s ease, transform .2s ease; }
.sequence a:hover, .sequence a:focus-visible { background: rgba(255,255,255,.1); border-color: var(--gold); transform: translateY(-3px); }
.sequence a::after { content: "→"; position: absolute; z-index: 2; top: 50%; right: -2.7rem; width: 3.4rem; color: var(--gold); font-size: 1.2rem; text-align: center; transform: translateY(-50%); }
.sequence a:last-child::after { display: none; }
.sequence span { color: var(--gold); font: italic .72rem var(--serif); }
.sequence strong { margin-top: 2.6rem; color: var(--white); font: 400 1.65rem/1.1 var(--serif); }
.sequence small { margin-top: .7rem; color: rgba(255,255,255,.6); font-size: .66rem; line-height: 1.55; }
.perspective-note { margin: 2rem 0 0; color: var(--gold); font-size: .67rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }

.plan { padding: 7.5rem 0; }
.section-intro { max-width: 820px; margin-bottom: 3rem; }
.section-intro h2 { margin: .8rem 0 1rem; font-size: clamp(3rem, 5vw, 5.2rem); }
.section-intro p { max-width: 680px; margin: 0; color: var(--muted); }
.plan-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.plan-card { min-height: 590px; display: grid; grid-template-rows: auto 1fr auto; padding: 2rem; background: var(--white); border: 1px solid var(--line); box-shadow: 0 12px 30px rgba(52,30,20,.035); }
.card-number { color: rgba(52,30,20,.28); font: italic .85rem var(--serif); }
.card-body { padding: 3rem 0 2rem; }
.card-label { margin-bottom: .75rem; }
.plan-card h3 { max-width: 500px; margin-bottom: 1rem; font-size: clamp(2rem, 3vw, 3rem); }
.plan-card p { color: var(--muted); font-size: .82rem; }
.plan-card ul { margin: 1.4rem 0 0; padding: 0; list-style: none; }
.plan-card li { position: relative; margin-top: .6rem; padding-left: 1.2rem; color: #4f5c54; font-size: .74rem; }
.plan-card li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 6px; background: var(--cedar); border-radius: 50%; }
.plan-card .result { margin: 0; padding: 1.1rem; color: #e8f0e8; background: var(--forest); }
.result strong { display: block; margin-bottom: .25rem; color: var(--gold); font-size: .58rem; letter-spacing: .12em; text-transform: uppercase; }

.meeting-note { padding: 5.5rem max(1.5rem, calc((100vw - 1180px) / 2)); color: var(--white); background: var(--forest-deep); }
.meeting-note > div { max-width: 940px; }
.meeting-note .section-label { color: var(--gold); }
.meeting-note h2 { margin: .8rem 0 1.2rem; color: var(--white); font-size: clamp(2.8rem, 4.8vw, 5.1rem); }
.meeting-note p { max-width: 720px; margin: 0; color: rgba(255,255,255,.65); font-size: .88rem; }

footer { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 1.1rem; padding: 1.7rem max(1.5rem, calc((100vw - 1180px) / 2)); color: #778079; border-top: 1px solid var(--line); font-size: .62rem; }
footer img { width: 82px; }
footer p { margin: 0; }
footer > span { font-size: .56rem; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
.reveal.in-view { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy { width: var(--shell); margin-inline: auto; padding: 5rem 0; }
  .hero-image { min-height: 360px; }
  .perspective-copy { grid-template-columns: 1fr; gap: 1rem; }
  .perspective-copy .section-label { grid-column: 1; margin-bottom: 0; }
  .sequence { grid-template-columns: repeat(2, 1fr); }
  .sequence a:nth-child(2)::after { display: none; }
}

@media (max-width: 700px) {
  :root { --shell: calc(100vw - 2rem); }
  .site-header { min-height: 68px; padding-inline: 1rem; }
  .site-header p { display: none; }
  .sierra-logo { width: 98px; }
  .losung-logo { width: 74px; }
  .hero-copy { padding: 4.2rem 0; }
  .hero h1 { font-size: clamp(3.2rem, 15vw, 4.7rem); }
  .hero-image { min-height: 300px; }
  .problem, .plan { padding: 5.5rem 0; }
  .problem-grid, .plan-grid { grid-template-columns: 1fr; }
  .problem h2, .section-intro h2 { font-size: clamp(2.7rem, 12vw, 4rem); }
  .perspective { padding: 5rem 0; }
  .sequence { grid-template-columns: 1fr; gap: 2rem; }
  .sequence a { min-height: 175px; }
  .sequence a::after, .sequence a:nth-child(2)::after { display: block; top: auto; right: 50%; bottom: -2.65rem; transform: translateX(50%) rotate(90deg); }
  .sequence a:last-child::after { display: none; }
  .plan-card { min-height: auto; }
  .card-body { padding-top: 2.5rem; }
  .meeting-note { padding: 4.5rem 1rem; }
  .meeting-note h2 { font-size: clamp(2.7rem, 12vw, 4.2rem); }
  footer { grid-template-columns: 1fr; padding: 1.5rem 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sequence a, .reveal { transition: none; }
  .reveal { opacity: 1; transform: none; }
}