/* Editorial: warm paper, ink type, restrained accent */
:root {
  --paper: #faf9f5;
  --paper-warm: #f3f1ea;
  --ink: #141413;
  --ink-muted: #3d3c38;
  --rule: #e0ddd4;
  --rule-strong: #c9c4b8;
  --accent: #b8644a;
  --accent-hover: #9e523c;
  --link: #3d5a80;
  --link-hover: #2c4260;
  --font-serif: "Lora", Georgia, "Times New Roman", serif;
  --font-sans: "Poppins", system-ui, sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --measure: 38rem;
  --max: 42rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  overflow-x: hidden;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
  padding: 0.9rem clamp(1.25rem, 4vw, 2rem);
  max-width: 56rem;
  margin: 0 auto;
  background: rgba(250, 249, 245, 0.92);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(10px);
}

.logo {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: var(--ink);
  text-decoration: none;
  flex-shrink: 0;
}

.logo:hover {
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  flex: 1;
  min-width: 0;
}

.nav a {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink-muted);
  text-decoration: none;
  padding: 0.35rem 0.85rem;
  display: inline-flex;
  align-items: center;
  border-radius: 2px;
}

.nav a:not(:first-child) {
  border-left: 1px solid var(--rule);
}

.nav a:hover {
  color: var(--ink);
  background: rgba(20, 20, 19, 0.04);
}

.nav-cta {
  color: var(--accent) !important;
}

.nav-cta:hover {
  color: var(--accent-hover) !important;
  background: rgba(184, 100, 74, 0.08) !important;
}

@media (max-width: 520px) {
  .site-header {
    flex-direction: column;
    align-items: stretch;
  }

  .nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    width: 100%;
    background: var(--rule);
    border: 1px solid var(--rule);
    border-radius: 2px;
    overflow: hidden;
  }

  .nav a {
    justify-content: center;
    padding: 0.55rem 0.35rem;
    font-size: 0.8rem;
    background: rgba(250, 249, 245, 0.98);
    border-radius: 0;
  }

  .nav a:not(:first-child) {
    border-left: none;
  }

  .nav a:nth-child(5):last-child {
    grid-column: 1 / -1;
  }
}

main {
  position: relative;
  padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.25rem, 4vw, 2rem) 4rem;
  max-width: 56rem;
  margin: 0 auto;
}

/* Hero */
.hero {
  padding-bottom: clamp(3rem, 8vw, 5rem);
  border-bottom: 1px solid var(--rule);
}

.hero-kicker {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 1rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(2.85rem, 12vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 1.75rem;
  color: var(--ink);
}

.hero-dek {
  max-width: var(--measure);
  margin: 0;
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--ink-muted);
}

.hero-dek strong {
  color: var(--ink);
  font-weight: 600;
}

.hero-outcome {
  max-width: var(--measure);
  margin: 1.75rem 0 0;
  padding: 0 0 0 1rem;
  border-left: 3px solid rgba(184, 100, 74, 0.45);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink-muted);
}

.hero-outcome-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.hero-outcome strong {
  color: var(--ink);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  margin-top: 2.25rem;
}

.btn {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}

.btn-primary {
  padding: 0.85rem 1.5rem;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--ink);
}

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

.btn-text {
  padding: 0.35rem 0;
  color: var(--link);
  border-bottom: 1px solid transparent;
  text-transform: none;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  font-family: var(--font-serif);
}

.btn-text:hover {
  color: var(--link-hover);
  border-bottom-color: var(--rule-strong);
}

.hero-focus {
  margin: 2.75rem 0 0;
  max-width: var(--max);
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.8;
  color: var(--rule-strong);
}

.hero-focus span {
  color: var(--ink-muted);
}

/* Sections */
.section {
  padding: clamp(3rem, 7vw, 4.5rem) 0;
  border-bottom: 1px solid var(--rule);
}

.section:last-of-type {
  border-bottom: none;
}

.section-kicker {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.section-kicker--center {
  text-align: center;
}

.section-head {
  max-width: var(--max);
}

.section-head h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.65rem, 4vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 0.65rem;
  color: var(--ink);
}

.section-sub {
  margin: 0;
  font-size: 1.05rem;
  color: var(--ink-muted);
  max-width: var(--measure);
}

.section-sub a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--rule-strong);
}

.section-sub a:hover {
  color: var(--link-hover);
  text-decoration-color: var(--link-hover);
}

/* Work cards */
.card-grid {
  list-style: none;
  margin: 2.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.card {
  padding: 1.5rem 1.35rem;
  background: var(--paper);
  transition: background 0.2s;
}

.card:hover {
  background: var(--paper-warm);
}

.card-num {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--rule-strong);
}

.card h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.2rem;
  margin: 0.4rem 0 0.5rem;
  color: var(--ink);
}

.card p {
  margin: 0;
  font-size: 0.98rem;
  color: var(--ink-muted);
  line-height: 1.65;
}

.card-link {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
}

.card-link:hover {
  color: var(--accent-hover);
}

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

/* Services */
.services-layout {
  margin-top: 2rem;
  display: grid;
  gap: 0;
  border: 1px solid var(--rule);
}

.service-block {
  padding: 1.5rem 1.35rem;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}

.service-block:last-child {
  border-bottom: none;
}

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

  .service-block {
    border-bottom: none;
    border-right: 1px solid var(--rule);
  }

  .service-block:nth-child(2n) {
    border-right: none;
  }

  .service-block:nth-child(-n + 2) {
    border-bottom: 1px solid var(--rule);
  }

  .service-block:nth-child(3),
  .service-block:nth-child(4) {
    border-bottom: 1px solid var(--rule);
  }

  .service-block:nth-child(5) {
    grid-column: 1 / -1;
    border-right: none;
  }
}

.service-block h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
  color: var(--ink);
}

.service-block p {
  margin: 0;
  font-size: 0.98rem;
  color: var(--ink-muted);
  line-height: 1.65;
}

.service-block strong {
  color: var(--ink);
  font-weight: 600;
}

/* Use cases */
.cases-list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.case {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--rule);
}

.case:last-child {
  border-bottom: none;
}

.case-label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.65rem;
}

.case-body {
  margin: 0;
  max-width: var(--max);
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--ink-muted);
}

.case-body strong {
  color: var(--ink);
  font-weight: 600;
}

/* CTA */
.cta-inner {
  text-align: center;
  padding: clamp(2.5rem, 6vw, 3.25rem) 1.5rem;
  background: var(--paper-warm);
  border: 1px solid var(--rule);
}

.cta-inner h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.45rem, 3.5vw, 1.85rem);
  line-height: 1.25;
  margin: 0 0 0.75rem;
  color: var(--ink);
}

.cta-inner p {
  margin: 0 auto 1.75rem;
  max-width: 28rem;
  font-size: 1.05rem;
  color: var(--ink-muted);
}

.cta-inner .hero-actions {
  justify-content: center;
}

.cta-inner .btn-text {
  font-family: var(--font-serif);
}

.cta-social {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem 0.5rem;
  margin-top: 1.5rem;
  font-family: var(--font-serif);
  font-size: 0.95rem;
}

.cta-social a {
  color: var(--link);
  text-decoration: none;
}

.cta-social a:hover {
  color: var(--link-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cta-social-sep {
  color: var(--rule-strong);
  user-select: none;
}

/* Footer */
.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
  justify-content: flex-start;
  align-items: center;
  max-width: 56rem;
  margin: 0 auto;
  padding: 2rem clamp(1.25rem, 4vw, 2rem) 3rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--rule-strong);
  border-top: 1px solid var(--rule);
}

.footer-copy {
  flex-shrink: 0;
  color: var(--ink-muted);
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
}

.footer-social a {
  color: var(--ink-muted);
  text-decoration: none;
}

.footer-social a:hover {
  color: var(--accent);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-left: auto;
}

.footer-links a {
  color: var(--ink-muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent);
}

@media (max-width: 520px) {
  .footer-links {
    margin-left: 0;
    width: 100%;
  }
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  html {
    scroll-behavior: auto;
  }
}