:root {
  --bg: #faf6f0;
  --card-bg: #ffffff;
  --text-primary: #2f2d2c;
  --text-secondary: #5e5b57;
  --accent: #1a6aff;
  --accent-dark: #0f4fd1;
  --border: rgba(47, 45, 44, 0.12);
  --max-width: 1120px;
  --wrap-pad: 32px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-secondary);
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: "Fraunces", Georgia, serif;
  color: var(--text-primary);
  font-weight: 500;
  margin: 0;
}

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

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

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--wrap-pad);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 246, 240, 0.9);
  backdrop-filter: blur(8px);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  padding-bottom: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "Fraunces", Georgia, serif;
  font-size: 20px;
  color: var(--text-primary);
  font-weight: 600;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  font-size: 15px;
  color: var(--text-primary);
}

.main-nav a.active {
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
}

.main-nav a.btn-primary {
  background: var(--text-primary);
  color: var(--bg);
  transition: background 0.15s ease;
}

.btn-primary:hover {
  background: #000;
}

/* Hero */
.hero {
  padding: 64px 0 40px;
  text-align: center;
}

.hero p {
  max-width: 700px;
  margin: 0 auto;
  font-size: 20px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.hero a {
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Logo bar */
.logo-bar {
  padding: 40px 0 56px;
  text-align: center;
}

.logo-bar img {
  margin: 0 auto;
  max-width: 720px;
  width: 100%;
  height: auto;
}

/* Case study gallery */
.case-studies {
  padding: 24px 0 88px;
}

.case-studies .wrap {
  max-width: none;
  padding-left: max(var(--wrap-pad), calc((100% - var(--max-width)) / 2 + var(--wrap-pad)));
  padding-right: 0;
}

.case-grid {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 8px 32px 24px 0;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.case-grid::-webkit-scrollbar {
  height: 8px;
}

.case-grid::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 8px;
}

.case-card {
  scroll-snap-align: start;
  flex: 0 0 auto;
  width: min(80vw, 460px);
  background: var(--card-bg);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(47, 45, 44, 0.06);
  display: flex;
  flex-direction: column;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(47, 45, 44, 0.1);
}

.case-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  object-position: top;
}

.case-card .case-body {
  padding: 28px 28px 32px;
}

.case-card .case-tag {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 10px;
  display: block;
}

.case-card h3 {
  font-size: 28px;
  line-height: 1.25;
}

/* Case study detail pages */
.case-hero {
  padding: 56px 0 8px;
}

.case-hero .wrap {
  max-width: 780px;
}

.case-hero h1 {
  font-size: 44px;
  line-height: 1.15;
  margin-bottom: 24px;
}

.case-hero p {
  font-size: 18px;
  margin: 0 0 18px;
}

.case-figure {
  padding: 32px 0 8px;
}

.case-figure img {
  width: 100%;
  height: auto;
  border-radius: 20px;
  display: block;
}

.case-gallery {
  padding: 40px 0 16px;
}

.case-gallery .wrap {
  max-width: none;
  padding-left: max(var(--wrap-pad), calc((100% - var(--max-width)) / 2 + var(--wrap-pad)));
  padding-right: 0;
}

.gallery-row {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 4px 32px 20px 0;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.gallery-row img {
  scroll-snap-align: start;
  flex: 0 0 auto;
  height: 440px;
  width: auto;
  max-width: 80vw;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 12px 32px rgba(47, 45, 44, 0.08);
}

.case-content {
  padding: 24px 0 120px;
}

.case-content .wrap {
  max-width: 780px;
}

.case-block {
  margin-bottom: 40px;
}

.case-block:last-child {
  margin-bottom: 0;
}

.case-block h2 {
  font-size: 24px;
  margin-bottom: 14px;
}

.case-block h3 {
  font-size: 19px;
  margin-bottom: 8px;
}

.case-block p {
  font-size: 17px;
  margin: 0 0 16px;
}

.case-block p:last-child {
  margin-bottom: 0;
}

.case-block ol,
.case-block ul {
  margin: 0;
  padding-left: 22px;
}

.case-block ol li,
.case-block ul li {
  font-size: 17px;
  margin-bottom: 10px;
}

.case-subitem {
  margin-bottom: 20px;
}

.case-subitem:last-child {
  margin-bottom: 0;
}

/* My Story */
.story {
  padding: 40px 0 120px;
}

.story .wrap {
  max-width: 780px;
}

.story h2 {
  font-size: 38px;
  margin-bottom: 28px;
}

.story p {
  margin: 0 0 22px;
  font-size: 17px;
}

/* Leadership page */
.leadership-intro {
  padding: 64px 0 24px;
}

.leadership-intro .wrap {
  max-width: 780px;
}

.leadership-intro p {
  font-size: 19px;
  color: var(--text-secondary);
}

.principles {
  padding: 72px 0 120px;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 56px 64px;
}

.principle h3 {
  font-size: 34px;
  margin-bottom: 20px;
}

.principle p {
  font-size: 16px;
  margin: 0;
}

footer {
  padding: 32px 0 56px;
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
  opacity: 0.7;
}

@media (max-width: 720px) {
  :root {
    --wrap-pad: 20px;
  }

  .wrap {
    padding: 0 var(--wrap-pad);
  }

  .site-header .wrap {
    padding-top: 20px;
    padding-bottom: 20px;
  }

  .site-header .wrap {
    flex-wrap: wrap;
    row-gap: 14px;
  }

  .brand {
    font-size: 16px;
    white-space: nowrap;
  }

  .main-nav {
    gap: 16px;
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    padding: 40px 0 24px;
  }

  .hero p {
    font-size: 18px;
  }

  .story h2,
  .case-card h3 {
    font-size: 28px;
  }

  .principles-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .case-hero h1 {
    font-size: 30px;
  }

  .case-hero p {
    font-size: 17px;
  }

  .gallery-row img {
    height: 300px;
  }
}