/* Smart Code Shop site styles
 * Engineering-led, restrained, typography-first.
 * Palette pulled from logo SVG: navy ink, warm orange accent.
 */

/* Self-hosted IBM Plex Sans + Mono */
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/IBMPlexSans-Regular.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/IBMPlexSans-Medium.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/IBMPlexSans-SemiBold.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/IBMPlexSans-Bold.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/IBMPlexMono-Regular.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/IBMPlexMono-Medium.woff2") format("woff2");
}

/* Tokens */
:root {
  --bg: #fafaf7;
  --ink: #141A46;
  --ink-muted: rgba(20, 26, 70, 0.7);
  --ink-faint: rgba(20, 26, 70, 0.45);
  --accent: #EC8B5E;
  --accent-deep: #c96e44;
  --line: rgba(20, 26, 70, 0.12);
  --line-strong: rgba(20, 26, 70, 0.22);
  --bg-soft: rgba(20, 26, 70, 0.04);
  --max-text: 38rem;
  --max-content: 64rem;
  --max-wide: 76rem;
  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Consolas, "Liberation Mono", Menlo, monospace;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Links */
a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: text-decoration-color 0.15s ease, color 0.15s ease;
}

a:hover {
  color: var(--accent-deep);
  text-decoration-color: var(--accent);
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  letter-spacing: -0.025em;
}

h3 {
  font-size: 1.25rem;
  letter-spacing: -0.015em;
}

p { margin: 0 0 1.1rem; }
p:last-child { margin-bottom: 0; }

strong, b { font-weight: 600; }

code, pre, kbd, samp {
  font-family: var(--font-mono);
  font-size: 0.95em;
}

code {
  background: var(--bg-soft);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  border: 1px solid var(--line);
}

pre {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: 1.1rem 1.25rem;
  border-radius: 4px;
  overflow-x: auto;
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 1.5rem 0;
}

pre code {
  background: none;
  padding: 0;
  border: none;
  border-radius: 0;
}

hr { border: 0; border-top: 1px solid var(--line); margin: 3rem 0; }

/* Accessibility */
.skip-link {
  position: absolute;
  top: -50px;
  left: 1rem;
  background: var(--ink);
  color: var(--bg);
  padding: 0.55rem 1rem;
  border-radius: 3px;
  text-decoration: none;
  z-index: 100;
  transition: top 0.15s ease;
  font-size: 0.9rem;
  font-weight: 500;
}

.skip-link:focus {
  top: 1rem;
  color: var(--bg);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Containers */
.wrap {
  width: 100%;
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.wrap-content {
  width: 100%;
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.wrap-text {
  width: 100%;
  max-width: var(--max-text);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Nav */
.site-nav {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background-color: rgba(250, 250, 247, 0.92);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.015em;
  font-size: 1rem;
  color: var(--ink);
}

.brand:hover { color: var(--ink); text-decoration: none; }

.brand-mark {
  display: block;
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
}

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

.nav-links a:hover { color: var(--ink); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 6rem;
  padding: 3rem 0;
  font-size: 0.9rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2rem;
  align-items: start;
}

.footer-col { display: flex; flex-direction: column; gap: 0.4rem; }

.footer-brand {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.footer-tagline { color: var(--ink-muted); }

.footer-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

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

.footer-col a:hover { color: var(--ink); }

.footer-meta {
  color: var(--ink-faint);
  font-size: 0.85rem;
}

/* Eyebrow + labels */
.eyebrow {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 500;
  color: var(--accent-deep);
  margin-bottom: 1.25rem;
  display: inline-block;
}

.section-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 500;
  color: var(--ink-faint);
  margin-bottom: 0.5rem;
  display: block;
}

/* Hero */
.hero { padding: 5rem 0 3rem; }

.hero-headline { max-width: 22ch; }

.hero-subhead {
  max-width: 48ch;
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: var(--ink-muted);
  margin-top: 1.5rem;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

/* Sections */
.section { padding: 3.5rem 0; }

.section h2 { margin-bottom: 1.5rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.1rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  text-decoration: none;
  border-radius: 3px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  background: transparent;
  color: var(--ink);
  text-decoration: none;
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-secondary:hover {
  background: var(--bg-soft);
  border-color: var(--ink);
  color: var(--ink);
}

.btn-accent {
  background: var(--accent);
  color: var(--ink);
  border-color: var(--accent);
}

.btn-accent:hover {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: var(--bg);
}

/* About block */
.about-block p {
  max-width: 60ch;
  font-size: 1.0625rem;
  color: var(--ink-muted);
}

.about-block strong, .about-block b {
  color: var(--ink);
  font-weight: 500;
}

/* What I'm building */
.feature-block {
  border: 1px solid var(--line);
  padding: 2rem;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  background: var(--bg);
}

.feature-block h3 { margin-bottom: 0.75rem; }
.feature-block p { color: var(--ink-muted); max-width: 50ch; }

.feature-meta {
  font-size: 0.85rem;
  color: var(--ink-faint);
  border-left: 1px solid var(--line);
  padding-left: 1.5rem;
}

.feature-meta div + div { margin-top: 0.85rem; }

.feature-meta .label {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  font-weight: 500;
  display: block;
  margin-bottom: 0.25rem;
  color: var(--ink-faint);
}

/* Track record capsules */
.capsule-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.capsule {
  border: 1px solid var(--line);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--bg);
}

.capsule-vertical {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
  color: var(--accent-deep);
}

.capsule h3 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.capsule p {
  color: var(--ink-muted);
  font-size: 0.95rem;
  margin: 0;
}

.capsule .outcome {
  border-top: 1px solid var(--line);
  padding-top: 0.75rem;
  margin-top: 0.25rem;
  color: var(--ink);
  font-weight: 500;
  font-size: 0.95rem;
}

/* Engagement cards */
.engagement-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.25rem;
  align-items: stretch;
}

.engagement-card {
  border: 1px solid var(--line);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--bg);
}

.engagement-card.featured {
  border-top: 3px solid var(--accent);
  padding-top: calc(1.75rem - 2px);
}

.engagement-card h3 { font-size: 1.15rem; }

.engagement-card.featured h3 {
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.engagement-card p {
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.engagement-card .card-cta {
  margin-top: auto;
  padding-top: 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent-deep);
  text-decoration: none;
}

.engagement-card .card-cta:hover {
  text-decoration: underline;
  text-decoration-color: var(--accent);
}

/* Contact CTA on Home */
.contact-cta {
  border-top: 1px solid var(--line);
  padding: 4rem 0 2rem;
  text-align: left;
}

.availability {
  font-size: 0.95rem;
  color: var(--ink-muted);
  max-width: 50ch;
  margin: 1rem 0 1.5rem;
}

/* Writing index */
.writing-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.writing-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.writing-item:first-child { padding-top: 0; }

.writing-item a {
  text-decoration: none;
  display: block;
  color: var(--ink);
}

.writing-item h3 {
  font-size: 1.4rem;
  letter-spacing: -0.015em;
  margin-bottom: 0.4rem;
  transition: color 0.15s ease;
}

.writing-item:hover h3 { color: var(--accent-deep); }

.writing-item .writing-meta {
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.writing-item p {
  color: var(--ink-muted);
  margin: 0;
  max-width: 60ch;
}

/* Essay */
.essay-header {
  padding: 4rem 0 2rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2.5rem;
}

.essay-meta {
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.essay-byline {
  font-size: 0.95rem;
  color: var(--ink-muted);
  margin-top: 1rem;
}

.essay h1 {
  font-size: clamp(2rem, 4vw, 2.85rem);
  max-width: 24ch;
}

.essay-body h2 {
  font-size: 1.6rem;
  margin-top: 3rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.essay-body h3 {
  font-size: 1.2rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.essay-body p {
  font-size: 1.0625rem;
  line-height: 1.7;
}

.essay-body ul, .essay-body ol {
  font-size: 1.0625rem;
  line-height: 1.7;
  padding-left: 1.3rem;
  margin: 0 0 1.25rem;
}

.essay-body li { margin-bottom: 0.4rem; }

.essay-body blockquote {
  border-left: 2px solid var(--accent);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  color: var(--ink-muted);
  font-style: italic;
}

.essay-footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
  color: var(--ink-muted);
}

/* Contact form */
.contact-form {
  max-width: 38rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-field { display: flex; flex-direction: column; gap: 0.4rem; }

.form-field label {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: -0.005em;
}

.form-field input,
.form-field textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background: var(--bg);
  color: var(--ink);
  width: 100%;
  transition: border-color 0.15s ease;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--ink);
}

.form-field textarea {
  resize: vertical;
  min-height: 8rem;
  line-height: 1.5;
}

.form-field-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.contact-alt {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-alt .label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  font-weight: 500;
}

/* Responsive */
@media (max-width: 760px) {
  .nav-links { gap: 1rem; font-size: 0.9rem; }
  .hero { padding: 3rem 0 2rem; }
  .section { padding: 2.5rem 0; }
  .feature-block { grid-template-columns: 1fr; }
  .feature-meta { border-left: none; padding-left: 0; border-top: 1px solid var(--line); padding-top: 1rem; }
  .capsule-grid { grid-template-columns: 1fr; }
  .engagement-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .footer-meta { grid-column: span 2; }
  .site-footer { margin-top: 4rem; }
}

@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-meta { grid-column: auto; }
  .nav-inner { padding: 0.85rem 1rem; }
  .brand-text { display: none; }
  .wrap, .wrap-content, .wrap-text { padding: 0 1rem; }
}