/* ========================================
   Matthew Easterday — Personal Site
   Mobile-first, warm light palette
   ======================================== */

/* Hide page until Inter loads — prevents font swap flash.
   The .fonts-loaded class is added by JS once the font is ready.
   Fallback: if JS fails or font takes >2s, page shows anyway. */
html:not(.fonts-loaded) body {
  visibility: hidden;
}

/* Self-hosted Inter variable font (latin subset, all weights in one file).
   font-display: swap shows the metric-matched fallback immediately,
   then swaps to Inter when loaded — no layout shift because the
   fallback has identical metrics. */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --color-bg:       #faf9f7;
  --color-bg-alt:   #ffffff;
  --color-surface:  #e8e4df;
  --color-text:     #3d3833;
  --color-text-dim: #7a7268;
  --color-accent:   #a0571e; /* 5.1:1 on --color-bg, 5.4:1 with white — passes WCAG AA */
  --color-accent-hover: #874a18;
  --color-heading:  #1f1b17;
  --color-white:    #fff;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 960px;
  --transition: 0.2s ease;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Prevent images from ever overflowing their container.
   Specific selectors below can override height as needed. */
img, svg {
  max-width: 100%;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  /* Prevent horizontal scroll caused by any element overflowing the viewport */
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Skip to content — accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  padding: 0.5rem 1rem;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 0 0 6px 6px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  z-index: 200;
  transition: top 0.2s;
}

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

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Navigation */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 249, 247, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-surface);
}

nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.875rem;
  padding-bottom: 0.875rem;
}

nav .site-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-heading);
  text-decoration: none;
  letter-spacing: -0.02em;
}

nav .nav-links {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(250, 249, 247, 0.98);
  padding: 1rem 1.25rem 1.5rem;
  gap: 0.75rem;
  list-style: none;
  border-bottom: 1px solid var(--color-surface);
}

nav .nav-links.open {
  display: flex;
}

nav .nav-links a {
  color: var(--color-text-dim);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
  padding: 0.25rem 0;
  display: block;
}

nav .nav-links a:hover,
nav .nav-links a.active {
  color: var(--color-accent);
}

/* "Hire Me" nav CTA */
nav .nav-links .nav-cta a {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  font-weight: 600;
  transition: background var(--transition);
}

nav .nav-links .nav-cta a:hover {
  background: var(--color-accent-hover);
  color: var(--color-white);
}

nav .nav-links .nav-cta a.active {
  background: var(--color-accent-hover);
  color: var(--color-white);
}

/* Mobile nav toggle — visible by default (mobile-first) */
.nav-toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-heading);
  margin: 5px 0;
  transition: var(--transition);
}

/* Hero */
.hero {
  padding: 3rem 0 2.5rem;
}

.hero-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
}

.hero-text {
  flex: 1;
}

.hero-photo {
  flex-shrink: 0;
  order: -1;
}

.hero-photo img {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-surface);
}

.hero h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--color-heading);
  margin-bottom: 0.35rem;
}

.hero .tagline {
  font-size: 1.1rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.hero .bio {
  font-size: 1.05rem;
  color: var(--color-text);
  line-height: 1.75;
}

.hero .bio-detail {
  font-size: 0.95rem;
  color: var(--color-text-dim);
  line-height: 1.75;
  margin-top: 0.75rem;
}

/* CTA button */
.cta-button {
  display: inline-block;
  padding: 0.875rem 2rem;
  background: var(--color-accent);
  color: var(--color-white);
  text-decoration: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition);
}

.cta-button:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.hero-cta {
  margin-top: 1.75rem;
}

/* Section CTA block */
.section-cta {
  text-align: center;
  padding: 3rem 0;
}

.section-cta p {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: 1.25rem;
}

/* Sections */
section {
  padding: 3rem 0;
}

section + section {
  border-top: 1px solid var(--color-surface);
}

h2 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

h2 .accent {
  color: var(--color-accent);
}

/* Sector tags */
.sectors {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
  justify-content: center;
}

.sectors span {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  background: var(--color-white);
  border: 1px solid var(--color-surface);
  border-radius: 2rem;
  font-size: 0.8rem;
  color: var(--color-text-dim);
  font-weight: 500;
}

/* Capability cards */
.capabilities {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.capability-card {
  background: var(--color-white);
  border: 1px solid var(--color-surface);
  border-radius: 8px;
  padding: 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.capability-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.capability-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 0.4rem;
}

.capability-card .card-summary {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.capability-card .icon {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
  display: block;
}

/* GitHub / external project link inside capability cards */
.project-link {
  margin-top: 0.75rem;
}

.project-link a {
  color: var(--color-accent);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition);
}

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

/* Tech stack — always visible, secondary styling */
.tech-stack {
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-surface);
}

.tech-stack-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-dim);
  margin-bottom: 0.5rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tech-tags span {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: var(--color-bg);
  border: 1px solid var(--color-surface);
  border-radius: 4px;
  font-size: 0.78rem;
  color: var(--color-text-dim);
  font-weight: 500;
}

/* Trusted-by strip (homepage teaser) */
.trusted-strip {
  padding: 2.5rem 0;
  text-align: center;
}

.trusted-strip h2 {
  margin-bottom: 0.5rem;
}

.trusted-strip .platforms-subtitle {
  margin-bottom: 1.5rem;
}

.trusted-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.trusted-logos a {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.trusted-logos img {
  height: 24px;
  width: auto;
  max-width: 80px;
  object-fit: contain;
  opacity: 0.5;
  filter: grayscale(100%);
  transition: opacity var(--transition), filter var(--transition);
}

.trusted-logos a:hover img {
  opacity: 1;
  filter: grayscale(0%);
}

/* Networks & Platforms (full grid — work page) */
.platforms-section {
  padding: 3rem 0;
}

.platforms-section h2 {
  text-align: center;
  margin-bottom: 0.5rem;
}

.platforms-subtitle {
  text-align: center;
  color: var(--color-text-dim);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.platform-card {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem 1rem;
  background: var(--color-white);
  border: 1px solid var(--color-surface);
  border-radius: 8px;
  text-decoration: none;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.platform-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.platform-card img {
  height: 30px;
  width: auto;
  max-width: 100%;
  max-height: 30px;
  object-fit: contain;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.platform-card:hover img {
  opacity: 1;
}

/* Links page */
.link-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.link-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--color-white);
  border: 1px solid var(--color-surface);
  border-radius: 8px;
  text-decoration: none;
  color: var(--color-text);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.link-item:hover {
  border-color: var(--color-accent);
  transform: translateX(4px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.link-item .link-label {
  font-weight: 600;
  color: var(--color-heading);
}

.link-item .link-desc {
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

.link-item .link-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 2rem;
  text-align: center;
}

/* Hire Me form */
.book-form {
  max-width: 520px;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-dim);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 0.875rem;
  background: var(--color-white);
  border: 1px solid var(--color-surface);
  border-radius: 6px;
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color var(--transition);
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%237a7268' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.5rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(196, 106, 34, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  margin-top: 0.25rem;
}

/* Inline validation */
.form-group .field-error {
  font-size: 0.8rem;
  color: #b5461b;
  margin-top: 0.25rem;
  display: none;
}

.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select {
  border-color: #b5461b;
}

.form-group.has-error .field-error {
  display: block;
}

/* Honeypot — hidden from humans */
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
}

button[type="submit"] {
  display: inline-block;
  width: 100%;
  padding: 0.875rem 2rem;
  background: var(--color-accent);
  color: var(--color-white);
  border: none;
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), opacity var(--transition);
}

button[type="submit"]:hover {
  background: var(--color-accent-hover);
}

button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Flash messages */
.flash {
  padding: 1rem 1.25rem;
  border-radius: 6px;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.flash.success {
  background: rgba(46, 160, 67, 0.1);
  border: 1px solid rgba(46, 160, 67, 0.25);
  color: #1a7f37;
}

.flash.error {
  background: rgba(212, 76, 44, 0.1);
  border: 1px solid rgba(212, 76, 44, 0.25);
  color: #b5461b;
}

/* Footer */
footer {
  padding: 2.5rem 0 2rem;
  border-top: 1px solid var(--color-surface);
  color: var(--color-text-dim);
  font-size: 0.85rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--color-text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition);
}

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

.footer-copy {
  font-size: 0.8rem;
}

/* ========================================
   Desktop (768px+)
   ======================================== */
@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
  }

  /* Nav — horizontal on desktop */
  .nav-toggle {
    display: none;
  }

  nav .nav-links {
    display: flex;
    flex-direction: row;
    position: static;
    background: none;
    padding: 0;
    gap: 1.75rem;
    border-bottom: none;
    align-items: center;
  }

  nav .nav-links a {
    font-size: 0.9rem;
    padding: 0;
  }

  nav .nav-links .nav-cta a {
    padding: 0.45rem 1.15rem;
    font-size: 0.9rem;
  }

  /* Hero — side by side */
  .hero {
    padding: 5rem 0 4rem;
  }

  .hero-layout {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    gap: 3rem;
  }

  .hero-photo {
    order: 0;
  }

  .hero-photo img {
    width: 200px;
    height: 200px;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero .tagline {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
  }

  .sectors {
    justify-content: flex-start;
  }

  /* Sections */
  section {
    padding: 4rem 0;
  }

  h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
  }

  /* Cards grid */
  .capabilities {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
  }

  .capability-card {
    padding: 2rem;
  }

  /* Trusted strip */
  .trusted-logos {
    gap: 3rem;
  }

  .trusted-logos img {
    height: 28px;
    max-width: 100px;
  }

  /* Platforms grid */
  .platform-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .platform-card {
    padding: 1.5rem;
  }

  .platform-card img {
    height: 36px;
    max-height: 36px;
  }

  /* Links */
  .link-list {
    max-width: 480px;
  }

  /* Form */
  .book-form {
    max-width: 520px;
  }

  button[type="submit"] {
    width: auto;
  }

  /* Footer */
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* ========================================
   Print
   ======================================== */
@media print {
  nav, .nav-toggle, .skip-link, .hero-cta, .section-cta, .trusted-strip, footer {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
    font-size: 12pt;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }

  .hero {
    padding: 1rem 0;
  }

  .capability-card {
    break-inside: avoid;
    border: 1px solid #ccc;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }

  nav a[href]::after,
  .cta-button::after {
    content: none;
  }
}