/* Design tokens */
:root {
  --bg-page: #eef2f5;
  --color-brand: #0b3c5d;
  --color-brand-muted: #1f7a8c;
  --color-text: #1a1a1a;
  --color-text-secondary: #5f6b7a;
  --color-border: rgba(11, 60, 93, 0.12);
  --color-surface: #ffffff;
  --font-sans: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --max-width: 68rem;
  --radius: 6px;
  /* Subtracted from 100vh/svh for hero min-height; smaller ⇒ taller hero ⇒ no gap showing next section */
  --hero-header-offset: 2.5rem;
  --radius-pill: 999px;
  --header-pad-x: clamp(1.25rem, 5vw, 3rem);
  --bg-problem: #e8f2ef;
  --works-card-bg: #f0f4f7;
}

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

html {
  scroll-behavior: smooth;
  /* Sticky header clearance for in-page links */
  scroll-padding-top: 5.25rem;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-brand);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  left: var(--space-sm);
  top: var(--space-sm);
}

.container {
  width: min(100% - var(--space-md) * 2, var(--max-width));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 4rem;
  width: 100%;
  max-width: 100%;
  padding-inline: var(--header-pad-x);
  margin-inline: auto;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark {
  display: block;
  width: 11px;
  height: 11px;
  background: var(--color-brand);
  border-radius: 2px;
  transform: rotate(45deg);
}

.logo:hover .logo-mark,
.logo:focus-visible .logo-mark {
  background: var(--color-brand-muted);
}

.logo:hover,
.logo:focus-visible {
  color: var(--color-brand);
}

.nav {
  flex: 1;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm) clamp(1rem, 3vw, 1.75rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav a {
  position: relative;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  padding-block: 0.25rem;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--color-text);
}

.nav-link-active {
  color: var(--color-text);
}

.nav-link-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-text);
}

.btn-header {
  flex-shrink: 0;
  padding: 0.55rem 1.35rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text);
  background: transparent;
  border: 1px solid var(--color-text);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.btn-header:hover,
.btn-header:focus-visible {
  background: var(--color-text);
  color: #fff;
}

/* Hero — split panel (fills viewport below header; no peek of next section) */
.hero {
  padding: 0;
  background: var(--bg-page);
  min-height: max(
    calc(100svh - var(--hero-header-offset)),
    calc(100dvh - var(--hero-header-offset))
  );
  display: flex;
  flex-direction: column;
}

.hero-split {
  display: grid;
  flex: 1;
  min-height: 0;
  grid-template-columns: 1fr;
  grid-template-rows: auto auto;
}

@media (min-width: 880px) {
  .hero-split {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: minmax(0, 1fr);
    align-items: stretch;
  }
}

.hero-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: clamp(2rem, 6vw, 3.5rem) clamp(1.5rem, 5vw, 2.5rem)
    clamp(2rem, 6vw, 3.5rem) clamp(2rem, 12vw, 7.5rem);
  background: var(--bg-page);
}

@media (min-width: 880px) {
  .hero-copy {
    padding-top: clamp(2.5rem, 7vh, 4rem);
    padding-bottom: clamp(2.5rem, 7vh, 4rem);
    padding-right: clamp(2rem, 5vw, 3rem);
    padding-left: clamp(2.5rem, 11vw, 8rem);
  }
}

.hero-label {
  margin: 0 0 var(--space-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand-muted);
}

.hero h1 {
  margin: 0 0 var(--space-md);
  font-size: clamp(2.125rem, 4.2vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
  font-weight: 700;
  color: var(--color-text);
  max-width: min(100%, 28ch);
}

@media (min-width: 880px) {
  .hero h1 {
    max-width: min(100%, 36ch);
  }
}

.hero-highlight {
  text-decoration: underline;
  text-decoration-color: #c9a227;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.12em;
  text-decoration-skip-ink: auto;
}

.hero-lead {
  margin: 0 0 var(--space-lg);
  max-width: 36rem;
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.hero-lead a {
  color: var(--color-brand);
  font-weight: 500;
}

.hero-lead a:hover {
  text-decoration: underline;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.hero-visual {
  margin: 0;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
  position: relative;
}

.hero-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

@media (max-width: 879px) {
  .hero-split {
    grid-template-rows: auto 1fr;
  }

  .hero-visual {
    order: -1;
    min-height: clamp(240px, 46svh, 520px);
  }
}

@media (min-width: 880px) {
  .hero-visual {
    min-height: 100%;
    align-self: stretch;
  }
}

/* Inner pages — hero placeholder only */
.hero.hero--page {
  min-height: max(48vh, 17rem);
  padding: clamp(3rem, 12vh, 6rem) 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
}

.hero--page .hero-page-inner {
  width: min(100% - var(--space-md) * 2, var(--max-width));
  margin-inline: auto;
  padding-inline: 0;
}

.hero--page .hero-lead {
  margin-bottom: 0;
}

.hero--page h1 {
  max-width: min(100%, 22ch);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease,
    border-color 0.15s ease;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.5rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-brand);
  background: var(--color-brand);
  color: #fff;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease,
    border-color 0.15s ease;
}

.btn-hero-primary:hover,
.btn-hero-primary:focus-visible {
  background: #092f49;
  border-color: #092f49;
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.5rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-brand);
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn-hero-secondary:hover,
.btn-hero-secondary:focus-visible {
  border-color: var(--color-brand-muted);
  background: rgba(31, 122, 140, 0.08);
}

.btn-primary {
  background: var(--color-brand);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #092f49;
}

.btn-ghost {
  background: transparent;
  color: var(--color-brand);
  border-color: var(--color-border);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--color-brand-muted);
  background: rgba(31, 122, 140, 0.08);
}

/* Sections */
.section {
  padding: var(--space-xl) 0;
}

.section-alt {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section h2 {
  margin: 0 0 var(--space-sm);
  font-size: clamp(1.5rem, 2.5vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.section-intro {
  margin: 0 0 var(--space-lg);
  max-width: 40rem;
  color: var(--color-text-secondary);
}

.about-inner,
.giving-inner,
.partners-inner {
  max-width: 42rem;
}

.about-lead,
.giving-lead,
.partners-lead {
  margin: 0 0 var(--space-md);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.giving-note,
.partners-note {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.giving-note a,
.partners-note a {
  color: var(--color-brand);
  font-weight: 500;
}

.giving-note a:hover,
.partners-note a:hover {
  text-decoration: underline;
}

/* Problem section — soft mint field, fills viewport (tighter subtract than hero) */
.section-problem {
  position: relative;
  display: flex;
  align-items: center;
  --problem-view-gap: 3.25rem;
  min-height: max(
    calc(100svh - var(--problem-view-gap)),
    calc(100dvh - var(--problem-view-gap)),
    calc(100vh - var(--problem-view-gap))
  );
  padding: clamp(2rem, 5vh, 3.5rem) 0;
  background: var(--bg-problem);
  overflow: hidden;
  contain: paint;
}

.section-problem::before,
.section-problem::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.section-problem::before {
  width: min(72vw, 28rem);
  height: min(72vw, 28rem);
  top: 0;
  right: -8%;
  background: radial-gradient(
    circle,
    rgba(31, 122, 140, 0.09) 0%,
    transparent 68%
  );
}

.section-problem::after {
  width: min(55vw, 20rem);
  height: min(55vw, 20rem);
  bottom: -12%;
  left: -6%;
  background: radial-gradient(
    circle,
    rgba(11, 60, 93, 0.06) 0%,
    transparent 70%
  );
}

.problem-wrap {
  position: relative;
  z-index: 1;
}

.problem-layout {
  display: grid;
  gap: clamp(2.25rem, 5vw, 3.5rem);
  align-items: start;
}

@media (min-width: 800px) {
  .problem-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(2.5rem, 7vw, 5rem);
    align-items: center;
  }
}

.problem-header {
  max-width: 36rem;
  margin: 0;
}

.problem-kicker {
  display: inline-block;
  margin: 0 0 var(--space-sm);
  padding: 0.35rem 0.9rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-brand-muted);
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(11, 60, 93, 0.1);
  border-radius: var(--radius-pill);
}

.section-problem h2 {
  margin: 0 0 var(--space-sm);
  font-size: clamp(1.65rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.problem-intro {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.problem-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

@media (min-width: 800px) {
  .problem-list {
    padding-left: clamp(1.75rem, 4vw, 3rem);
    border-left: 1px solid rgba(11, 60, 93, 0.12);
  }
}

.problem-item {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 1.1rem;
  row-gap: 0.35rem;
  padding: 0;
  margin: 0;
  border: none;
  background: transparent;
  box-shadow: none;
  align-items: start;
}

.problem-item .problem-num {
  grid-row: 1 / span 2;
  align-self: start;
  padding-top: 0.2em;
  line-height: 1;
}

.problem-item + .problem-item {
  margin-top: 1.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(11, 60, 93, 0.1);
}

.problem-num {
  font-size: 0.8125rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.1em;
  color: var(--color-brand);
  opacity: 0.85;
}

.problem-item h3 {
  grid-column: 2;
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.problem-item p {
  grid-column: 2;
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

/* Solution section — white, minimal */
.section-solution {
  background: var(--color-surface);
  padding: calc(var(--space-xl) + 0.5rem) 0 calc(var(--space-xl) + 1rem);
  border-top: 1px solid var(--color-border);
}

.solution-wrap {
  max-width: 38rem;
}

.solution-kicker {
  margin: 0 0 var(--space-sm);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand-muted);
}

.section-solution h2 {
  margin: 0 0 var(--space-md);
  font-size: clamp(1.5rem, 2.8vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--color-text);
}

.solution-lead {
  margin: 0 0 var(--space-lg);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.solution-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.solution-points li {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-bottom: 1.35rem;
  border-bottom: 1px solid var(--color-border);
}

.solution-points li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.solution-points-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.solution-points-text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

/* How Amana works — four sharp-edged cards */
.section-works .works-header {
  max-width: 40rem;
  margin-bottom: var(--space-lg);
}

.works-kicker {
  margin: 0 0 var(--space-sm);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand-muted);
}

.section-works h2 {
  margin: 0 0 var(--space-sm);
  font-size: clamp(1.5rem, 2.8vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.works-intro {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.works-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
  background: var(--color-surface);
}

@media (min-width: 640px) {
  .works-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .works-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.works-card {
  margin: 0;
  padding: 1.35rem 1.2rem 1.5rem;
  border-radius: 0;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--works-card-bg);
  min-width: 0;
}

.works-step {
  margin: 0 0 0.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-brand);
}

.works-card-title {
  margin: 0 0 0.65rem;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.works-card-body {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.62;
  color: var(--color-text-secondary);
}

/* FAQ */
.section-faq {
  background: var(--bg-page);
  border-top: 1px solid var(--color-border);
  padding: calc(var(--space-xl) + 0.25rem) 0 calc(var(--space-xl) + 0.5rem);
}

.faq-inner {
  max-width: 40rem;
}

.section-faq h2 {
  margin: 0 0 var(--space-lg);
  font-size: clamp(1.5rem, 2.8vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

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

.faq-trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 1.1rem 0;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-align: left;
  color: var(--color-text);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.15s ease;
}

.faq-trigger:hover,
.faq-trigger:focus-visible {
  color: var(--color-brand);
}

.faq-trigger:focus-visible {
  outline: 2px solid var(--color-brand-muted);
  outline-offset: 2px;
}

.faq-question {
  flex: 1;
  min-width: 0;
}

.faq-icon {
  flex-shrink: 0;
  width: 0.55rem;
  height: 0.55rem;
  border-right: 2px solid var(--color-text-secondary);
  border-bottom: 2px solid var(--color-text-secondary);
  transform: rotate(45deg);
  margin-bottom: 0.2rem;
  transition: transform 0.2s ease, border-color 0.15s ease;
}

.faq-trigger[aria-expanded="true"] .faq-icon {
  transform: rotate(-135deg);
  margin-bottom: -0.15rem;
  border-color: var(--color-brand);
}

.faq-panel {
  padding: 0 0 1.15rem;
}

.faq-panel[hidden] {
  display: none;
}

.faq-panel p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.faq-panel a {
  color: var(--color-brand);
  font-weight: 500;
  text-underline-offset: 0.15em;
}

.faq-panel a:hover {
  text-decoration: underline;
}

/* Footer */
.site-footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-brand {
  margin: 0;
  font-weight: 700;
  color: var(--color-brand);
  font-size: 1rem;
}

.footer-copy {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  max-width: 28rem;
}

@media (max-width: 720px) {
  .header-inner {
    flex-wrap: wrap;
    row-gap: var(--space-sm);
    padding-block: var(--space-sm);
  }

  .nav {
    order: 3;
    flex: 1 1 100%;
    justify-content: flex-start;
  }

  .nav ul {
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 2px;
    -webkit-overflow-scrolling: touch;
    gap: var(--space-sm) var(--space-md);
  }

  .btn-header {
    margin-left: auto;
  }
}

@media (max-width: 720px) {
  .section-problem {
    --problem-view-gap: 6.5rem;
  }
}

@media (max-width: 520px) {
  :root {
    --hero-header-offset: 6.5rem;
  }

  .section-problem {
    --problem-view-gap: 7.25rem;
  }

  .hero h1 {
    max-width: 100%;
  }
}

@media (max-width: 400px) {
  .btn-header {
    font-size: 0.8125rem;
    padding: 0.5rem 1rem;
  }
}