/* skopec.dev — cool workshop / signal aesthetic (dark by default) */
:root {
  --bg: #07090d;
  --bg-deep: #0c1018;
  --ink: #eef2f6;
  --ink-soft: #c5ced8;
  --muted: #8492a3;
  --line: rgba(238, 242, 246, 0.08);
  --line-strong: rgba(238, 242, 246, 0.16);
  --surface: rgba(255, 255, 255, 0.04);
  --surface-solid: #121820;
  --accent: #ff4a1c;
  --accent-ink: #ff7a52;
  --glow: rgba(255, 74, 28, 0.22);
  --glow-cool: rgba(60, 100, 160, 0.12);
  --header-bg: rgba(7, 9, 13, 0.82);
  --menu-bg: rgba(12, 16, 24, 0.97);
  --sheen: rgba(255, 255, 255, 0.06);
  color-scheme: dark;
  --radius: 2px;
  --nav-h: 4.25rem;
  --font-display: "Syne", sans-serif;
  --font-body: "Instrument Sans", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 72rem;
}

:root[data-theme="light"] {
  --bg: #f6f7f9;
  --bg-deep: #e7eaef;
  --ink: #11151c;
  --ink-soft: #333d4b;
  --muted: #5b6675;
  --line: rgba(17, 21, 28, 0.1);
  --line-strong: rgba(17, 21, 28, 0.2);
  --surface: rgba(17, 21, 28, 0.03);
  --surface-solid: #ffffff;
  --accent: #dc3c11;
  --accent-ink: #b32f08;
  --glow: rgba(255, 74, 28, 0.16);
  --glow-cool: rgba(60, 100, 160, 0.1);
  --header-bg: rgba(246, 247, 249, 0.85);
  --menu-bg: rgba(255, 255, 255, 0.97);
  --sheen: rgba(17, 21, 28, 0.05);
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 90% 55% at 8% -10%, var(--glow), transparent 55%),
    radial-gradient(ellipse 70% 45% at 100% 0%, var(--glow-cool), transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
  background-attachment: fixed;
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.22;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 85%);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100%;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

/* —— Nav —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  backdrop-filter: blur(14px) saturate(1.2);
  background: var(--header-bg);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  text-decoration: none;
  color: var(--ink);
  line-height: 1;
}

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

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  margin: 0 0 0 auto;
  padding: 0;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 560;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--ink-soft);
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.nav-links a:hover {
  color: var(--ink);
  background: var(--surface);
  border-color: var(--line);
}

.nav-links a[aria-current="page"] {
  color: var(--ink);
  background: var(--surface-solid);
  border-color: var(--line-strong);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface-solid);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.1rem;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface-solid);
  color: var(--ink-soft);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

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

.theme-toggle svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

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

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

/* —— Layout —— */
.page {
  position: relative;
  z-index: 1;
}

.wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.section {
  padding: 4.5rem 0;
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section-label {
  display: inline-block;
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-ink);
}

.section h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-lead {
  margin: 0 0 2rem;
  max-width: 38rem;
  color: var(--muted);
}

/* —— Hero —— */
.hero {
  position: relative;
  display: grid;
  align-items: start;
  padding: 2.75rem 0 3.5rem;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -8%;
  top: 8%;
  width: min(52vw, 34rem);
  height: min(52vw, 34rem);
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, var(--sheen), transparent 55%),
    conic-gradient(from 210deg at 50% 50%, transparent 0 55%, var(--glow) 70%, transparent 100%);
  border: 1px solid var(--line);
  opacity: 0.85;
  animation: drift 18s var(--ease) infinite alternate;
  pointer-events: none;
}

@keyframes drift {
  from { transform: translate(0, 0) rotate(0deg); }
  to { transform: translate(-4%, 6%) rotate(8deg); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 42rem;
}

.hero-about-title {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.6rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ink);
}

.hero .about-text {
  margin: 0 0 0.85rem;
}

.hero .meta-row {
  margin: 1.25rem 0 1.75rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.7rem 1.15rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
  color: inherit;
}

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

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

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

.btn-ghost:hover {
  background: var(--surface-solid);
  border-color: var(--ink);
}

/* —— About —— */
.about-text {
  max-width: 42rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

.about-text + .about-text {
  margin-top: 1rem;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.meta-row strong {
  color: var(--ink);
  font-weight: 650;
}

/* —— Services —— */
.service-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-strong);
}

.service-list a,
.service-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 1rem;
  row-gap: 0.15rem;
  padding: 1.1rem 0.15rem;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.25s var(--ease), color 0.2s var(--ease);
}

.service-list a:hover {
  padding-left: 0.65rem;
  color: var(--accent-ink);
}

.service-name {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.service-host {
  grid-column: 1;
  grid-row: 2;
  font-size: 0.9rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.service-list a:hover .service-host {
  color: var(--accent-ink);
}

.service-arrow {
  grid-column: 2;
  grid-row: 1 / span 2;
  font-size: 1.25rem;
  opacity: 0.35;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.service-list a:hover .service-arrow {
  opacity: 1;
  transform: translateX(3px);
  color: var(--accent);
}

@media (min-width: 640px) {
  .service-list a,
  .service-item {
    grid-template-columns: 11rem minmax(0, 1fr) auto;
    grid-template-rows: auto;
  }

  .service-name {
    grid-column: 1;
    grid-row: 1;
  }

  .service-host {
    grid-column: 2;
    grid-row: 1;
  }

  .service-arrow {
    grid-column: 3;
    grid-row: 1;
  }
}

/* —— Friends —— */
.friend-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.friend-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1.5rem;
  padding: 0.95rem 1.1rem;
  text-decoration: none;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.friend-list a:hover {
  border-color: var(--ink);
  background: var(--surface-solid);
  transform: translateX(4px);
  color: var(--ink);
}

.friend-name {
  font-weight: 650;
}

.friend-url {
  color: var(--muted);
  font-size: 0.9rem;
}

/* —— Connect —— */
.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface-solid);
  color: var(--ink-soft);
  text-decoration: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.social-link:hover {
  color: var(--bg);
  background: var(--ink);
  border-color: var(--ink);
  transform: translateY(-2px);
}

.social-link svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
}

.connect-note {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* —— Inner pages —— */
.page-hero {
  padding: 3.5rem 0 2.5rem;
}

.breadcrumbs {
  margin: 0 0 1rem;
}

.breadcrumbs ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  color: var(--line-strong);
}

.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

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

.breadcrumbs [aria-current="page"] {
  color: var(--ink-soft);
}

.page-hero h1 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}

.page-hero p {
  margin: 0;
  max-width: 36rem;
  color: var(--muted);
}

.stack-list,
.project-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.stack-item,
.project-item {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.stack-item:last-child,
.project-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.stack-item h3,
.project-item h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.project-item h3 a {
  text-decoration: none;
}

.project-item h3 a:hover {
  color: var(--accent-ink);
}

.stack-item p,
.project-item p {
  margin: 0;
  color: var(--muted);
  max-width: 40rem;
}

.project-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--accent-ink);
}

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

.tag {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-ink);
}

.spec-list {
  display: grid;
  gap: 0.55rem;
  margin: 1.15rem 0 0;
  padding: 0;
  max-width: 36rem;
}

.spec-list > div {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: 0.75rem 1rem;
  align-items: baseline;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 640px) {
  .spec-list > div {
    grid-template-columns: 6.75rem minmax(0, 1fr);
  }
}

.spec-list > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.spec-list dt {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.spec-list dd {
  margin: 0;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

/* —— Footer —— */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: 2rem;
  padding: 1.75rem 0 2.25rem;
  border-top: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-inner {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem 1.5rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
}

.footer-inner a {
  text-decoration: none;
  font-weight: 560;
}

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

/* —— FAQ —— */
.faq-list {
  display: grid;
  gap: 0.65rem;
  max-width: 42rem;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 0.15rem 1rem;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 0.9rem 0;
  font-weight: 650;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--accent);
  font-weight: 700;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.faq-item a {
  color: var(--accent-ink);
}

/* —— Prose (privacy etc.) —— */
.prose {
  max-width: 40rem;
}

.prose h2 {
  margin: 2rem 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p {
  margin: 0 0 0.85rem;
  color: var(--ink-soft);
}

.prose a {
  color: var(--accent-ink);
}

.muted-note {
  margin-top: 2rem !important;
  font-size: 0.88rem;
  color: var(--muted) !important;
}

/* —— Motion / reveal —— */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.hero-content > * {
  animation: rise 0.85s var(--ease) both;
}

.hero-about-title { animation-delay: 0.05s; }
.hero .about-text:nth-of-type(1) { animation-delay: 0.12s; }
.hero .about-text:nth-of-type(2) { animation-delay: 0.18s; }
.hero .meta-row { animation-delay: 0.24s; }
.hero-actions { animation-delay: 0.3s; }

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  body::before,
  .hero::after {
    display: none;
  }
}

/* —— Responsive —— */
@media (max-width: 720px) {
  .nav-toggle {
    display: inline-block;
  }

  .nav-links {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 0.75rem 1.25rem 1rem;
    background: var(--menu-bg);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
  }

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

  .nav-links a {
    padding: 0.75rem 0.85rem;
  }

  .hero {
    min-height: auto;
    padding-top: 2.5rem;
    padding-bottom: 3.25rem;
  }

  .hero::after {
    width: 16rem;
    height: 16rem;
    top: 0;
    right: -20%;
    opacity: 0.55;
  }

  .section {
    padding: 3.25rem 0;
  }
}