/* ==========================================================================
   patrykchlanda.netlify.app — hand-built, no template
   Type: Fraunces (display) · Inter (text) · JetBrains Mono (labels)
   ========================================================================== */

:root {
  --bg: #0e0d0b;
  --bg-elev: #161411;
  --text: #ece7dd;
  --body: #c9c3b6;
  --muted: #9b948a;
  --faint: #6f6a61;
  --line: rgba(236, 231, 221, 0.1);
  --line-strong: rgba(236, 231, 221, 0.2);
  --accent: #eda03f;
  --accent-strong: #f4b45e;
  --accent-ink: #14100a;
  --glow: rgba(237, 160, 63, 0.07);
  --shadow-accent: rgba(237, 160, 63, 0.22);
  --dot: rgba(236, 231, 221, 0.045);
  --live: #4ade80;
}

[data-theme="light"] {
  --bg: #f7f4ee;
  --bg-elev: #fffefa;
  --text: #211d17;
  --body: #443f35;
  --muted: #6c665a;
  --faint: #948d80;
  --line: rgba(33, 29, 23, 0.12);
  --line-strong: rgba(33, 29, 23, 0.24);
  --accent: #a96617;
  --accent-strong: #8a5210;
  --accent-ink: #fff8ec;
  --glow: rgba(179, 116, 31, 0.09);
  --shadow-accent: rgba(169, 102, 23, 0.22);
  --dot: rgba(33, 29, 23, 0.055);
  --live: #15803d;
}

/* ---------- Reset & base ---------- */

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

html {
  background: var(--bg);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  transition: background 0.35s ease, color 0.35s ease;
}

/* faint dot grid behind everything */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(var(--dot) 1px, transparent 1px);
  background-size: 26px 26px;
  pointer-events: none;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.15;
}

p {
  margin: 0;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 28px;
}

.mono {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

.skip {
  position: absolute;
  left: -999px;
  top: 12px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 8px;
  font-size: 14px;
}

.skip:focus {
  left: 12px;
}

/* ---------- Reveal on scroll (JS-gated so no-JS users see everything) ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.6, 0.2, 1),
    transform 0.7s cubic-bezier(0.2, 0.6, 0.2, 1);
  transition-delay: var(--d, 0s);
}

.js .reveal.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  * {
    animation-duration: 0.001s !important;
  }
}

@media print {
  .js .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
  backdrop-filter: blur(14px) saturate(1.15);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.35s ease;
}

.nav.scrolled {
  border-bottom-color: var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 64px;
}

.brand {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
}

.brand .sigil {
  color: var(--accent);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.7rem;
}

.nav-links a {
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
  transition: color 0.2s ease;
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-resume {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12.5px;
  padding: 7px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text);
  transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
  white-space: nowrap;
}

.nav-resume:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--line);
}

.theme-toggle svg {
  width: 17px;
  height: 17px;
}

.theme-toggle .icon-sun {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: block;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: none;
}

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

.hero {
  position: relative;
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  padding: 5.5rem 0 6rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -220px;
  left: -140px;
  width: 720px;
  height: 720px;
  background: radial-gradient(circle, var(--glow) 0%, transparent 62%);
  pointer-events: none;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12.5px;
  color: var(--muted);
}

.status a {
  color: var(--text);
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.status a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.status .dot {
  position: relative;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--live);
  flex: none;
}

.status .dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1px solid var(--live);
  opacity: 0.6;
  animation: pulse 2.4s ease-out infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.6);
    opacity: 0.7;
  }
  70%,
  100% {
    transform: scale(1.9);
    opacity: 0;
  }
}

.hero h1 {
  margin: 1.6rem 0 1.4rem;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(3.4rem, 9vw, 6rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 0.98;
}

.lede {
  max-width: 44rem;
  font-size: clamp(1.35rem, 2.7vw, 1.72rem);
  font-weight: 400;
  line-height: 1.4;
  color: var(--text);
  letter-spacing: -0.01em;
}

.lede em {
  font-family: "Fraunces", Georgia, serif;
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}

.sub {
  max-width: 40rem;
  margin-top: 1.4rem;
  font-size: 1.02rem;
  color: var(--muted);
}

.hero-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.6rem;
  margin-top: 2.7rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 13px 26px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--accent);
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

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

.link-plain {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

.link-plain .arr,
.btn .arr {
  font-size: 0.85em;
}

/* ---------- Sections ---------- */

.section {
  padding: 6.5rem 0;
  scroll-margin-top: 4.5rem;
}

.section + .section {
  padding-top: 2.5rem;
}

.sec-head {
  margin-bottom: 3.2rem;
}

.kicker {
  display: block;
  margin-bottom: 1rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.kicker b {
  font-weight: 500;
  color: var(--accent);
}

.sec-title {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.sec-title h2 {
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(2.1rem, 4.5vw, 2.9rem);
  font-weight: 600;
}

.sec-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

/* ---------- Experience ---------- */

.xp-item {
  display: grid;
  grid-template-columns: 11.5rem 1fr;
  gap: 2.8rem;
  padding: 2.9rem 0;
  border-top: 1px solid var(--line);
}

.xp-when {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-top: 0.2rem;
}

.xp-dates {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px;
  color: var(--accent);
}

.xp-loc {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  color: var(--faint);
}

.xp-what h3 {
  font-size: 1.14rem;
  font-weight: 600;
  color: var(--text);
}

.xp-what h3 a {
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.xp-what h3 a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.xp-org {
  margin-top: 0.35rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.xp-what ul {
  margin-top: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.xp-what li {
  position: relative;
  padding-left: 1.45rem;
  font-size: 0.965rem;
  color: var(--body);
}

.xp-what li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
  opacity: 0.65;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.35rem;
}

.chip {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11.5px;
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: var(--bg-elev);
}

/* ---------- Skills ---------- */

.skill-row {
  display: grid;
  grid-template-columns: 11.5rem 1fr;
  gap: 2.8rem;
  padding: 1.85rem 0;
  border-top: 1px solid var(--line);
}

.skill-row:last-child {
  border-bottom: 1px solid var(--line);
}

.skill-label {
  padding-top: 0.45rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tag {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--body);
  background: var(--bg-elev);
  transition: border-color 0.25s ease, color 0.25s ease;
}

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

/* ---------- Projects ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(262px, 1fr));
  gap: 1.4rem;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.9rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-elev);
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  transform: translateY(-4px);
  box-shadow: 0 20px 44px -22px var(--shadow-accent);
}

.card h3 {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.32rem;
  font-weight: 600;
  transition: color 0.25s ease;
}

.card:hover h3 {
  color: var(--accent);
}

.card p {
  flex: 1;
  font-size: 0.94rem;
  color: var(--body);
}

.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  color: var(--faint);
}

.card-foot .arrow {
  transition: transform 0.3s ease, color 0.3s ease;
}

.card:hover .card-foot .arrow {
  transform: translate(3px, -3px);
  color: var(--accent);
}

.more-link {
  display: inline-block;
  margin-top: 2.2rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px;
  color: var(--muted);
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

/* ---------- Education & credentials ---------- */

.cred-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}

.cred-col > h3 {
  margin-bottom: 1.7rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.cred-item {
  padding: 1.15rem 0;
  border-top: 1px solid var(--line);
}

.cred-item h4 {
  font-size: 1rem;
  font-weight: 600;
}

.cred-meta {
  margin-top: 0.25rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  color: var(--faint);
}

.cred-note {
  margin-top: 0.45rem;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ---------- Beyond ---------- */

.beyond-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 2.6rem 3rem;
}

.beyond-item h4 {
  margin-bottom: 0.6rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.beyond-item p {
  font-size: 0.94rem;
  color: var(--body);
}

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

.contact-lede {
  max-width: 36rem;
  font-size: 1.15rem;
  color: var(--body);
}

.contact-email {
  display: inline-block;
  margin: 1.6rem 0 3rem;
  font-family: "Fraunces", Georgia, serif;
  font-style: italic;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease;
}

.contact-email:hover {
  border-color: var(--accent);
}

.form-card {
  max-width: 640px;
  padding: 2.2rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-elev);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.15rem;
}

.field-full {
  grid-column: 1 / -1;
}

.field label {
  display: block;
  margin-bottom: 0.45rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: transparent;
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.field textarea {
  resize: vertical;
  min-height: 130px;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--glow);
}

.form-actions {
  margin-top: 1.4rem;
}

.submit {
  padding: 13px 30px;
  border: none;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.25s ease, transform 0.25s ease;
}

.submit:hover {
  background: var(--accent-strong);
  transform: translateY(-1px);
}

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

.footer {
  border-top: 1px solid var(--line);
  padding: 2.6rem 0 3.2rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  color: var(--faint);
}

.footer a {
  color: var(--muted);
  transition: color 0.2s ease;
}

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

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

@media (max-width: 900px) {
  .xp-item,
  .skill-row {
    grid-template-columns: 9.5rem 1fr;
    gap: 1.8rem;
  }

  .cred-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 16px;
  }

  .nav-resume {
    display: none;
  }

  .brand-long {
    display: none;
  }

  .nav-links {
    gap: 1.1rem;
  }

  .nav-links a {
    font-size: 12.5px;
  }

  .section {
    padding: 4.6rem 0;
  }

  .section + .section {
    padding-top: 1.6rem;
  }

  .hero {
    padding: 4rem 0 4.5rem;
  }

  .xp-item,
  .skill-row {
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }

  .xp-when {
    flex-direction: row;
    align-items: baseline;
    gap: 0.9rem;
  }

  .skill-label {
    padding-top: 0;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-card {
    padding: 1.6rem;
  }
}