/* FrugalDevs landing — Porcelain & Copper
   Implemented from "FrugalDevs Landing D" (Claude Design, Industry system). */

:root {
  --paper: #faf7f0;        /* porcelain ground */
  --tan: #ece4d8;          /* warm alternate band */
  --card: #f7f2e9;         /* card on tan */
  --card-on-paper: #fbf8f1;/* ledger card on paper */
  --code-bg: #f8f4ec;
  --ink: #241e16;
  --body: #55503f;
  --muted: #8b8371;
  --hairline: #e0d7c7;
  --copper: #b15f2a;
  --copper-dark: #9a5124;
  --copper-soft: #c97a45;

  --sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --container: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--body);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: #f3cfae; color: var(--ink); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3 { color: var(--ink); letter-spacing: -0.015em; }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--paper);
  border-bottom: 1px solid var(--hairline);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  letter-spacing: -0.01em;
}
.logo-frugal { color: var(--ink); }
.logo-devs   { color: var(--copper); }
.logo-tld    { color: var(--muted); font-weight: 400; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-family: var(--mono);
  font-size: 13.5px;
}

.site-nav a {
  color: var(--body);
  text-decoration: none;
  transition: color 0.15s ease;
}
.site-nav a:hover { color: var(--copper); }

.site-nav .nav-contact {
  color: var(--copper);
  border: 1px solid var(--copper-soft);
  border-radius: 3px;
  padding: 9px 18px;
  transition: background 0.15s ease, color 0.15s ease;
}
.site-nav .nav-contact:hover {
  background: var(--copper);
  color: #fff;
}

/* ---------- Shared section chrome ---------- */

.section { padding: 110px 0 120px; }
.section-tan { background: var(--tan); }

.section[id], section[id] { scroll-margin-top: 68px; }

.kicker {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--copper);
  margin-bottom: 26px;
}

h2 {
  font-size: clamp(30px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 48px;
}

h3 { font-size: 18px; font-weight: 600; }

/* ---------- Hero ---------- */

.hero { padding: 120px 0 150px; }

.hero h1 {
  font-size: clamp(42px, 6vw, 68px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 30px;
}

.hero .kicker { margin-bottom: 30px; }

.cursor {
  display: inline-block;
  width: 0.55em;
  height: 1.05em;
  margin-left: 0.35em;
  vertical-align: text-bottom;
  background: var(--copper);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.cursor.typing { animation: none; opacity: 1; }

.hero-sub {
  max-width: 560px;
  margin-bottom: 44px;
}
.hero-sub strong { color: var(--ink); }

/* ---------- Buttons ---------- */

.cta-row { display: flex; flex-wrap: wrap; gap: 16px; }
.cta-center { justify-content: center; }

.btn {
  font-family: var(--mono);
  font-size: 14px;
  text-decoration: none;
  padding: 15px 28px;
  border-radius: 3px;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--copper);
  color: #fff;
  border: 1px solid var(--copper);
}
.btn-primary:hover { background: var(--copper-dark); border-color: var(--copper-dark); }

.btn-ghost {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--hairline);
}
.btn-ghost:hover { border-color: var(--copper-soft); color: var(--copper); }

/* ---------- Approach ---------- */

.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--hairline);
  margin-bottom: 72px;
}

.approach-cell { padding: 40px 34px 44px; }
.approach-cell + .approach-cell { border-left: 1px solid var(--hairline); }

.cell-num {
  font-family: var(--mono);
  font-size: 20px;
  color: var(--copper);
  margin-bottom: 22px;
}

.approach-cell h3 { margin-bottom: 14px; }
.approach-cell p:last-child { font-size: 15.5px; color: var(--body); }

/* split rows (approach bottom, how-we-work) */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split-top { align-items: start; }

.split-text h3 { font-size: 21px; margin-bottom: 16px; }
.split-text h2 { margin-bottom: 22px; }
.split-text p { max-width: 480px; }

/* ---------- Code blocks ---------- */

.code-block {
  background: var(--code-bg);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  padding: 34px 38px;
  font-family: var(--mono);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink);
}

.code-comment { color: var(--muted); }
.code-gap { margin-top: 1.1em; }
.code-accent { color: var(--copper); }

/* ---------- Build vs buy ---------- */

.ledger-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 44px;
}

.ledger {
  background: var(--card-on-paper);
  border: 1px solid var(--hairline);
  border-radius: 4px;
}

.ledger-head, .ledger-foot {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--copper);
  padding: 18px 26px;
}
.ledger-head { border-bottom: 1px solid var(--hairline); }
.ledger-foot { border-top: 1px solid var(--hairline); }

.ledger ul { list-style: none; padding: 12px 26px; }

.ledger li {
  display: flex;
  gap: 16px;
  padding: 12px 0;
  font-size: 15.5px;
}

.ledger-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--copper);
  flex: 0 0 auto;
  padding-top: 2px;
}

.footnote {
  max-width: 660px;
  font-size: 15.5px;
  color: var(--muted);
}

/* ---------- Services ---------- */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  padding: 30px 30px 34px;
}

.svc-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--copper);
  margin-bottom: 16px;
}

.service-card h3 { margin-bottom: 12px; }
.service-card p { font-size: 15px; }

/* ---------- Work / receipts ---------- */

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.work-card {
  border: 1px solid var(--hairline);
  border-radius: 4px;
  background: var(--card-on-paper);
  overflow: hidden;
}

.work-media {
  aspect-ratio: 16 / 10;
  position: relative;
  background:
    linear-gradient(135deg, rgba(177, 95, 42, 0.16), rgba(177, 95, 42, 0.05) 55%, rgba(177, 95, 42, 0.14)),
    var(--tan);
  border-bottom: 1px solid var(--hairline);
}

.work-media-label {
  position: absolute;
  left: 18px;
  bottom: 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--copper-dark);
  opacity: 0.85;
}

.work-body { padding: 26px 28px 30px; }

.work-tags {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--copper);
  margin-bottom: 12px;
}

.work-body h3 { margin-bottom: 12px; }
.work-body p { font-size: 15px; }

/* ---------- How we work ---------- */

.stack-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
  max-width: 480px;
}

.stack-tags li {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--body);
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: 3px;
  padding: 7px 14px;
}

/* ---------- Testimonials ---------- */

.quotes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.quote blockquote {
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink);
  margin-bottom: 22px;
}

.quote figcaption {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
}

/* ---------- Contact ---------- */

.section-contact { text-align: center; padding: 130px 0 140px; }

.section-contact h2 {
  font-size: clamp(32px, 4.5vw, 44px);
  margin-bottom: 26px;
}

.contact-sub {
  max-width: 460px;
  margin: 0 auto 44px;
  color: var(--body);
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--hairline);
  background: var(--paper);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 30px;
  padding-bottom: 30px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
}

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .approach-grid { grid-template-columns: 1fr; }
  .approach-cell + .approach-cell { border-left: 0; border-top: 1px solid var(--hairline); }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .services-grid, .work-grid { grid-template-columns: repeat(2, 1fr); }
  .quotes-grid { grid-template-columns: 1fr; gap: 44px; }
  .ledger-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 80px 0 88px; }
  .hero { padding: 88px 0 100px; }
  .container { padding: 0 22px; }
  .site-nav a:not(.nav-contact) { display: none; }
  .services-grid, .work-grid { grid-template-columns: 1fr; }
  .code-block { padding: 26px 24px; font-size: 13px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}