:root {
  --color-bg: #f4f7fb;
  --color-surface: #ffffff;
  --color-surface-soft: #eaf0ff;
  --color-border: #d9e1ec;
  --color-text: #1b2430;
  --color-secondary: #5f6b7a;
  --color-primary: #2952cc;
  --color-primary-hover: #2147af;
  --color-shadow: rgba(22, 34, 51, 0.08);
  --container-width: 1100px;
  --radius-sm: 8px;
  --radius-md: 13px;
  --radius-lg: 24px;
  --focus-ring: 3px solid rgba(41, 82, 204, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.7;
  min-width: 320px;
}

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

a {
  color: inherit;
}

.nowrap {
  white-space: nowrap;
}

button,
summary {
  font: inherit;
}

button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 100;
  padding: 10px 16px;
  color: #fff;
  background: var(--color-primary);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

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

.container {
  width: min(calc(100% - 40px), var(--container-width));
  margin-inline: auto;
}

.section {
  padding: 64px 0;
}

.section-blue {
  background: var(--color-surface-soft);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-heading-wide {
  max-width: none;
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--color-text);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

h1 {
  max-width: 760px;
  margin-bottom: 20px;
  font-size: clamp(2.2rem, 4.2vw, 3rem);
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 3vw, 2.6rem);
}

h3 {
  margin-bottom: 10px;
  font-size: clamp(1.2rem, 2vw, 1.45rem);
}

p,
li {
  color: var(--color-secondary);
}

p {
  max-width: 80ch;
  margin: 0 0 1em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: auto;
  height: 64px;
}

.brand-name {
  color: var(--color-primary);
  font-style: italic;
  font-weight: 700;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.95rem;
  font-weight: 700;
}

.main-nav a {
  padding: 10px 0;
  color: var(--color-secondary);
  text-decoration: none;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a[aria-current="page"] {
  color: var(--color-primary);
}

.main-nav a[aria-current="page"] {
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 6px;
}

.main-nav .nav-button {
  min-height: 40px;
  padding: 8px 18px;
}

.main-nav .nav-button:hover,
.main-nav .nav-button:focus-visible {
  color: #fff;
}

.intro-text {
  max-width: 600px;
  margin-bottom: 26px;
  font-size: 1.08rem;
}

.intro-text-wide {
  max-width: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

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

.button.primary {
  color: #fff;
  background: var(--color-primary);
  box-shadow: 0 8px 21px rgba(41, 82, 204, 0.18);
}

.button.primary:hover {
  background: var(--color-primary-hover);
}

.page-hero {
  padding: 36px 0;
}

.page-intro {
  max-width: 860px;
}

.page-hero h1 {
  max-width: none;
  margin-bottom: 0;
}

.story-page {
  padding: 64px 0 80px;
}

.story-content {
  max-width: 820px;
}

.story-section {
  padding: 32px 0;
  border-bottom: 1px solid var(--color-border);
}

.story-section:last-child {
  border-bottom: 0;
}

.cafe-section {
  display: grid;
  grid-template-columns: minmax(0, 0.55fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.story-intro-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.55fr);
  gap: 32px;
  align-items: center;
}

.story-split {
  display: grid;
  grid-template-columns: minmax(0, 0.45fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.story-illustration img {
  display: block;
  width: 100%;
  max-width: 260px;
  height: auto;
  margin: 0 auto;
}

.principle-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.6fr);
  gap: 48px;
  align-items: center;
}

.principle-visual img {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 21px var(--color-shadow);
}

.story-photo {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: 0 4px 10px rgba(22, 34, 51, 0.03);
}

.story-photo img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  background: #dfeaf9;
}

.story-photo-large img {
  height: 330px;
}

.story-photo span {
  display: block;
  padding: 10px 14px;
  color: var(--color-secondary);
  font-size: 0.85rem;
  font-weight: 700;
  text-align: center;
}

.quote-section {
  padding-bottom: 26px;
}

blockquote {
  margin: 28px 0 12px;
  padding-left: 22px;
  border-left: 4px solid var(--color-primary);
  color: var(--color-text);
  font-size: 1.2rem;
  font-style: italic;
  line-height: 1.55;
}

.quote-signature {
  margin: 0;
  color: var(--color-text);
  font-weight: 700;
}

.story-cta {
  padding-top: 30px;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.feature-card,
.audience-card {
  padding: 24px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: 0 4px 10px rgba(22, 34, 51, 0.03);
}

.feature-top {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin-bottom: 18px;
  border-radius: 15px;
  background: var(--color-surface-soft);
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 900;
}

.steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.step-number {
  display: grid;
  place-items: center;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 800;
}

.dual-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.needs-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 24px;
  margin: 0;
  padding-left: 20px;
}

.faq {
  display: grid;
  gap: 16px;
}

.faq-category {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: 0 4px 10px rgba(22, 34, 51, 0.03);
}

summary {
  cursor: pointer;
  list-style: none;
}

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

.faq-category > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
}

.faq-category > summary h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

.faq-category > summary::after {
  content: "+";
  flex-shrink: 0;
  color: var(--color-primary);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
}

.faq-category[open] > summary::after {
  content: "−";
}

.faq-questions {
  padding: 0 24px 12px;
}

.faq-question {
  border-top: 1px solid var(--color-border);
}

.faq-question > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  font-weight: 700;
}

.faq-question > summary::after {
  content: "";
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-right: 4px;
  border-right: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: translateY(-2px) rotate(45deg);
  transition: transform 160ms ease;
}

.faq-question[open] > summary::after {
  transform: translateY(2px) rotate(-135deg);
}

.faq-answer {
  padding-bottom: 14px;
}

.faq-answer p {
  max-width: none;
  margin: 0 0 0.8em;
}

.site-footer {
  padding: 28px 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.footer-logo {
  display: block;
  width: auto;
  height: 40px;
}

.footer-wrap p {
  margin: 0;
  color: var(--color-text);
  font-weight: 700;
}

@media (max-width: 900px) {
  .cafe-section,
  .story-intro-section,
  .story-split,
  .principle-grid,
  .dual-columns {
    grid-template-columns: 1fr;
  }

  .feature-list,
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .section {
    padding: 48px 0;
  }

  .nav-wrap {
    flex-wrap: wrap;
    justify-content: center;
    padding: 12px 0 16px;
  }

  .main-nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 22px;
  }

  .feature-list,
  .steps,
  .needs-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 420px) {
  .container {
    width: min(calc(100% - 24px), var(--container-width));
  }

  .site-header {
    position: static;
  }

  .nav-wrap {
    min-height: auto;
  }

  .main-nav {
    gap: 9px 16px;
    font-size: 0.88rem;
  }

  .main-nav a {
    padding: 4px 0;
  }

  .story-photo img,
  .story-photo-large img {
    height: 220px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}