/* ============================================================
   Jan Franc — janfranc.cz
   Tmavý tech minimalismus. CSS proměnné, mobile-first, jf-* třídy.
   ============================================================ */

/* ----------  TOKENS  ---------- */
:root {
  /* Barvy */
  --jf-bg:           #0A0A0A;
  --jf-bg-2:         #14161A;
  --jf-bg-3:         #1A1D22;
  --jf-fg:           #F5F5F0;
  --jf-fg-muted:     #8B8F98;
  --jf-fg-dim:       #5A5E66;
  --jf-accent:       #E8FF59;
  --jf-accent-2:     #4ADE80;
  --jf-line:         rgba(255,255,255,0.08);
  --jf-line-strong:  rgba(255,255,255,0.14);
  --jf-overlay:      rgba(232,255,89,0.06);

  /* Typografie */
  --jf-font-display: "Inter Tight", "Inter", system-ui, -apple-system, sans-serif;
  --jf-font-body:    "Inter", system-ui, -apple-system, sans-serif;
  --jf-font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* Spacing */
  --jf-space-1: 4px;
  --jf-space-2: 8px;
  --jf-space-3: 12px;
  --jf-space-4: 16px;
  --jf-space-5: 24px;
  --jf-space-6: 32px;
  --jf-space-7: 48px;
  --jf-space-8: 64px;
  --jf-space-9: 96px;
  --jf-space-10: 128px;

  /* Radius */
  --jf-radius-sm: 4px;
  --jf-radius:    8px;
  --jf-radius-lg: 14px;

  /* Layout */
  --jf-container: 1240px;
  --jf-gutter:    24px;

  /* Motion */
  --jf-ease:      cubic-bezier(0.22, 1, 0.36, 1);
  --jf-dur:       420ms;
  --jf-dur-fast:  180ms;
}

@media (min-width: 1024px) {
  :root { --jf-gutter: 48px; }
}
@media (min-width: 1440px) {
  :root { --jf-gutter: 80px; }
}


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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body, h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }

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

button { font: inherit; }
a { color: inherit; text-decoration: none; }
a:visited { color: inherit; }

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

.jf-body {
  background: var(--jf-bg);
  color: var(--jf-fg);
  font-family: var(--jf-font-body);
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: -0.005em;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  /* Decentní mřížkové pozadí */
  background-image:
    linear-gradient(to right, var(--jf-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--jf-line) 1px, transparent 1px);
  background-size: 96px 96px;
  background-position: -1px -1px;
  background-attachment: fixed;
}

/* Skip link */
.jf-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: var(--jf-space-3) var(--jf-space-4);
  background: var(--jf-accent);
  color: var(--jf-bg);
  font-weight: 600;
  z-index: 100;
}
.jf-skip:focus { left: var(--jf-space-4); top: var(--jf-space-4); }


/* ----------  FOCUS  ---------- */
:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--jf-accent);
  outline-offset: 3px;
  border-radius: var(--jf-radius-sm);
}


/* ----------  UTILITY  ---------- */
.jf-mono {
  font-family: var(--jf-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}

.jf-display {
  font-family: var(--jf-font-display);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

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

.jf-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--jf-fg-dim);
  vertical-align: middle;
  margin-right: 6px;
}
.jf-dot--live {
  background: var(--jf-accent);
  box-shadow: 0 0 0 0 rgba(232,255,89,0.6);
  animation: jf-pulse 2.4s var(--jf-ease) infinite;
}
@keyframes jf-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(232,255,89,0.5); }
  70%  { box-shadow: 0 0 0 10px rgba(232,255,89,0); }
  100% { box-shadow: 0 0 0 0 rgba(232,255,89,0); }
}


/* ----------  NAV  ---------- */
.jf-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  background: rgba(10,10,10,0.72);
  border-bottom: 1px solid transparent;
  transition: border-color var(--jf-dur-fast) var(--jf-ease);
}
.jf-nav[data-scrolled="true"] {
  border-bottom-color: var(--jf-line);
}
.jf-nav__inner {
  max-width: var(--jf-container);
  margin: 0 auto;
  padding: 16px var(--jf-gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--jf-space-5);
}
.jf-nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}
.jf-brand-mark {
  width: 22px; height: 22px;
  border: 1px solid var(--jf-line-strong);
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  background: var(--jf-bg-2);
}
.jf-brand-mark__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--jf-accent);
  box-shadow: 0 0 8px rgba(232,255,89,0.6);
}
.jf-brand-name { color: var(--jf-fg); }

.jf-nav__links {
  align-items: center;
  gap: var(--jf-space-5);
}
.jf-nav__links a {
  color: var(--jf-fg-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--jf-dur-fast) var(--jf-ease);
}
.jf-nav__links a:hover { color: var(--jf-fg); }
.jf-nav__links a.jf-nav__cta {
  color: var(--jf-fg);
  padding: 8px 14px;
  border: 1px solid var(--jf-line-strong);
  border-radius: var(--jf-radius);
  transition: background var(--jf-dur-fast) var(--jf-ease), border-color var(--jf-dur-fast) var(--jf-ease);
}
.jf-nav__links a.jf-nav__cta:hover {
  background: var(--jf-accent);
  color: var(--jf-bg);
  border-color: var(--jf-accent);
}

/* Hamburger button — mobile only */
.jf-nav__burger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  margin: -8px -8px -8px 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--jf-fg);
  cursor: pointer;
}
.jf-nav__burger-box { position: relative; display: block; width: 22px; height: 14px; }
.jf-nav__burger-box span {
  position: absolute; left: 0;
  width: 100%; height: 2px;
  background: currentColor; border-radius: 2px;
  transition: transform var(--jf-dur-fast) var(--jf-ease),
              opacity var(--jf-dur-fast) var(--jf-ease),
              top var(--jf-dur-fast) var(--jf-ease);
}
.jf-nav__burger-box span:nth-child(1) { top: 0; }
.jf-nav__burger-box span:nth-child(2) { top: 6px; }
.jf-nav__burger-box span:nth-child(3) { top: 12px; }
.jf-nav[data-menu-open="true"] .jf-nav__burger-box span:nth-child(1) { top: 6px; transform: rotate(45deg); }
.jf-nav[data-menu-open="true"] .jf-nav__burger-box span:nth-child(2) { opacity: 0; }
.jf-nav[data-menu-open="true"] .jf-nav__burger-box span:nth-child(3) { top: 6px; transform: rotate(-45deg); }

/* Mobile: links collapse into a dropdown panel under the bar */
@media (max-width: 767.98px) {
  .jf-nav__links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--jf-gutter) 20px;
    background: var(--jf-bg);
    border-bottom: 1px solid var(--jf-line);
    box-shadow: 0 24px 40px -20px rgba(0,0,0,0.8);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--jf-dur) var(--jf-ease),
                transform var(--jf-dur) var(--jf-ease),
                visibility var(--jf-dur) var(--jf-ease);
  }
  .jf-nav[data-menu-open="true"] .jf-nav__links {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .jf-nav__links a {
    padding: 14px 2px;
    font-size: 16px;
    border-bottom: 1px solid var(--jf-line);
  }
  .jf-nav__links a.jf-nav__cta {
    margin-top: 14px;
    padding: 12px 14px;
    text-align: center;
    border: 1px solid var(--jf-line-strong);
    border-radius: var(--jf-radius);
  }
}
@media (min-width: 768px) {
  .jf-nav__links { display: inline-flex; }
  .jf-nav__burger { display: none; }
}

/* Right-side nav cluster (links + language switch) */
.jf-nav__right {
  display: flex;
  align-items: center;
  gap: var(--jf-space-5);
}
.jf-nav__lang {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--jf-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.jf-nav__lang a {
  color: var(--jf-fg-dim);
  transition: color var(--jf-dur-fast) var(--jf-ease);
}
.jf-nav__lang a:hover { color: var(--jf-fg); }
.jf-nav__lang .is-active { color: var(--jf-fg); font-weight: 500; }
.jf-nav__lang .jf-nav__lang-sep { color: var(--jf-line-strong); }


/* ----------  CONTAINER + SECTION  ---------- */
.jf-section {
  max-width: var(--jf-container);
  margin: 0 auto;
  padding: var(--jf-space-8) var(--jf-gutter);
  border-top: 1px solid var(--jf-line);
}
.jf-section:first-of-type { border-top: 0; }

@media (min-width: 1024px) {
  .jf-section { padding-top: 96px; padding-bottom: 96px; }
}

.jf-section__head {
  display: grid;
  gap: var(--jf-space-3);
  max-width: 760px;
  margin-bottom: var(--jf-space-7);
}
.jf-section__num {
  color: var(--jf-fg-muted);
}
.jf-section__title {
  font-family: var(--jf-font-display);
  font-weight: 500;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
.jf-section__intro {
  color: var(--jf-fg-muted);
  font-size: 17px;
  max-width: 60ch;
  text-wrap: pretty;
}


/* ----------  HERO  ---------- */
.jf-hero {
  max-width: var(--jf-container);
  margin: 0 auto;
  padding: var(--jf-space-6) var(--jf-gutter) var(--jf-space-7);
  position: relative;
}
@media (min-width: 1024px) {
  .jf-hero { padding-top: 56px; padding-bottom: 80px; }
}

.jf-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--jf-space-8);
  align-items: end;
}
@media (min-width: 1024px) {
  .jf-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: var(--jf-space-8);
  }
}

.jf-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--jf-fg-muted);
  margin-bottom: var(--jf-space-6);
}
.jf-eyebrow__bullet {
  width: 28px; height: 1px;
  background: var(--jf-accent);
}

.jf-hero h1.jf-display {
  font-size: clamp(2.4rem, 5.2vw, 4.7rem);
  margin-bottom: var(--jf-space-5);
}

.jf-lede {
  color: var(--jf-fg-muted);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  max-width: 58ch;
  margin-bottom: var(--jf-space-7);
  text-wrap: pretty;
}

.jf-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--jf-space-3);
  margin-bottom: var(--jf-space-8);
}

.jf-hero__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--jf-space-5);
  padding-top: var(--jf-space-6);
  border-top: 1px solid var(--jf-line);
  max-width: 560px;
}
.jf-hero__meta dt {
  color: var(--jf-fg-muted);
  margin-bottom: 6px;
}
.jf-hero__meta dd {
  font-size: 15px;
  color: var(--jf-fg);
  font-weight: 500;
}
.jf-meta-label { color: var(--jf-fg-muted); }


/* ----------  BUTTONS  ---------- */
.jf-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  border-radius: var(--jf-radius);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.005em;
  line-height: 1;
  cursor: pointer;
  transition:
    background var(--jf-dur-fast) var(--jf-ease),
    color var(--jf-dur-fast) var(--jf-ease),
    border-color var(--jf-dur-fast) var(--jf-ease),
    transform var(--jf-dur-fast) var(--jf-ease);
}
.jf-btn--primary,
.jf-btn--primary:visited,
.jf-btn--primary:hover,
.jf-btn--primary:focus,
.jf-btn--primary:active {
  color: var(--jf-bg);
}
.jf-btn--primary {
  background: var(--jf-accent);
}
.jf-btn--primary:hover {
  background: #F4FF8C;
  transform: translateY(-1px);
}
.jf-btn--ghost {
  background: transparent;
  color: var(--jf-fg);
  border-color: var(--jf-line-strong);
}
.jf-btn--ghost:hover {
  border-color: var(--jf-fg);
  background: var(--jf-bg-2);
}
.jf-btn--lg {
  padding: 18px 26px;
  font-size: 16px;
}


/* ----------  TERMINAL CARD  ---------- */
.jf-hero__terminal { min-width: 0; }
.jf-term {
  background: var(--jf-bg-2);
  border: 1px solid var(--jf-line-strong);
  border-radius: var(--jf-radius-lg);
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.04) inset,
    0 30px 60px -20px rgba(0,0,0,0.6);
}
.jf-term__bar {
  display: flex;
  align-items: center;
  gap: var(--jf-space-3);
  padding: 12px 14px;
  background: var(--jf-bg-3);
  border-bottom: 1px solid var(--jf-line);
}
.jf-term__dots {
  display: inline-flex;
  gap: 6px;
}
.jf-term__dots i {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--jf-line-strong);
  display: block;
}
.jf-term__dots i:first-child { background: rgba(232,255,89,0.5); }
.jf-term__title {
  flex: 1;
  color: var(--jf-fg-muted);
  font-size: 11px;
  text-transform: none;
  letter-spacing: 0;
  text-align: center;
}
.jf-term__pid {
  color: var(--jf-fg-dim);
  font-size: 10px;
  letter-spacing: 0.08em;
}
.jf-term__body {
  padding: 20px 22px 24px;
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0;
  text-transform: none;
  color: var(--jf-fg);
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: min(60vh, 460px);
  min-height: 320px;
  overflow-y: auto;
  cursor: text;
  scrollbar-width: thin;
  scrollbar-color: var(--jf-line-strong) transparent;
}
.jf-term__body::-webkit-scrollbar { width: 8px; }
.jf-term__body::-webkit-scrollbar-track { background: transparent; }
.jf-term__body::-webkit-scrollbar-thumb {
  background: var(--jf-line-strong);
  border-radius: 999px;
}
.jf-term__output {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.jf-term__line {
  display: block;
  white-space: pre-wrap;
  word-break: break-word;
}
.jf-term__line--out { color: var(--jf-fg-muted); padding-left: 0; }
.jf-term__line--ok { color: var(--jf-accent-2); }
.jf-term__line--err { color: #FCA5A5; }
.jf-term__line--hint {
  color: var(--jf-fg-dim);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  margin-top: 4px;
}
.jf-term__line--hint code {
  font: inherit;
  color: var(--jf-fg-muted);
  padding: 1px 5px;
  border: 1px solid var(--jf-line);
  border-radius: 4px;
  background: rgba(255,255,255,0.03);
}
.jf-term__prompt { color: var(--jf-accent); }
.jf-term__sep { color: var(--jf-fg-dim); }
.jf-term__path { color: #7DD3FC; }
.jf-term__list {
  margin: 2px 0 4px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  color: var(--jf-fg);
}
.jf-term__list li {
  white-space: nowrap;
}
.jf-term__list li::before {
  content: "▸ ";
  color: var(--jf-accent);
}

/* Interactive input line */
.jf-term__inputline {
  position: relative;
  display: flex;
  align-items: baseline;
  flex-wrap: nowrap;
  gap: 0;
  cursor: text;
  margin-top: auto;
}
.jf-term__mirror {
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--jf-fg);
  min-width: 1px;
}
.jf-term__input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  border: 0;
  outline: 0;
  padding: 0;
  margin: 0;
  font: inherit;
  color: transparent;
  caret-color: transparent;
  opacity: 0;
}
.jf-term__input:focus {
  outline: 0;
}
.jf-term[data-focused="true"] {
  border-color: var(--jf-line-strong);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.04) inset,
    0 30px 60px -20px rgba(0,0,0,0.6),
    0 0 0 1px rgba(232,255,89,0.18);
}

.jf-cursor {
  display: inline-block;
  width: 8px; height: 14px;
  background: var(--jf-accent);
  vertical-align: -2px;
  animation: jf-blink 1.05s steps(2, end) infinite;
  flex: 0 0 auto;
}
.jf-term[data-focused="false"] .jf-cursor {
  background: var(--jf-fg-dim);
  animation: none;
  opacity: 0.5;
}
@keyframes jf-blink { 50% { opacity: 0; } }

/* Per-line appear animation for new output */
@keyframes jf-term-appear {
  from { opacity: 0; transform: translateY(2px); }
  to   { opacity: 1; transform: none; }
}
.jf-term__appear {
  animation: jf-term-appear 220ms var(--jf-ease) both;
}

/* Compact terminal on narrow screens */
@media (max-width: 540px) {
  .jf-term__body {
    min-height: 260px;
    max-height: 56vh;
    font-size: 12.5px;
    padding: 16px 16px 18px;
  }
}

/* ----------  RETRO / 8-BIT (Konami)  ---------- */
body.jf-retro {
  --jf-bg:           #050d05;
  --jf-bg-2:         #0a1a0a;
  --jf-bg-3:         #0f2410;
  --jf-fg:           #b8ffc8;
  --jf-fg-muted:     #74c486;
  --jf-fg-dim:       #438a52;
  --jf-accent:       #c8ff5a;
  --jf-accent-2:     #9bff5a;
  --jf-line:         rgba(184,255,200,0.10);
  --jf-line-strong:  rgba(184,255,200,0.22);
  --jf-overlay:      rgba(200,255,90,0.08);
}
body.jf-retro,
body.jf-retro .jf-display,
body.jf-retro .jf-section__title,
body.jf-retro .jf-project__title,
body.jf-retro .jf-card__title,
body.jf-retro .jf-step__title,
body.jf-retro .jf-timeline__title,
body.jf-retro .jf-about__bio p:first-child {
  font-family: var(--jf-font-mono);
  letter-spacing: 0;
  text-shadow:
    0 0 1px rgba(184,255,200,0.6),
    0 0 4px rgba(184,255,200,0.25);
}
body.jf-retro {
  background-image:
    linear-gradient(to right, rgba(184,255,200,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(184,255,200,0.05) 1px, transparent 1px);
}
body.jf-retro::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,0) 0,
    rgba(0,0,0,0) 2px,
    rgba(0,0,0,0.28) 2px,
    rgba(0,0,0,0.28) 3px
  );
  mix-blend-mode: multiply;
}
body.jf-retro::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9997;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0,20,0,0.55) 100%);
}
@media (prefers-reduced-motion: reduce) {
  body.jf-retro::before { display: none; }
  body.jf-retro,
  body.jf-retro * { text-shadow: none; }
}


/* ----------  CARDS (CO DĚLÁM)  ---------- */
.jf-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--jf-line);
  border: 1px solid var(--jf-line);
  border-radius: var(--jf-radius-lg);
  overflow: hidden;
}
@media (min-width: 768px) {
  .jf-grid-2 { grid-template-columns: 1fr 1fr; }
}

.jf-card {
  background: var(--jf-bg);
  padding: var(--jf-space-7);
  display: grid;
  gap: var(--jf-space-3);
  align-content: start;
  transition: background var(--jf-dur-fast) var(--jf-ease);
  position: relative;
}
.jf-card:hover { background: var(--jf-bg-2); }
.jf-card__num { color: var(--jf-accent); }
.jf-card__title {
  font-family: var(--jf-font-display);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-top: var(--jf-space-2);
  text-wrap: balance;
}
.jf-card__body {
  color: var(--jf-fg-muted);
  font-size: 15.5px;
  text-wrap: pretty;
}


/* ----------  ABOUT (O MNĚ)  ---------- */
.jf-about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--jf-space-6);
  margin-bottom: 0;
}
@media (min-width: 1024px) {
  .jf-about__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: var(--jf-space-9);
    align-items: start;
  }
}
.jf-about__bio { display: grid; gap: var(--jf-space-4); }
.jf-about__bio p {
  font-size: 17.5px;
  color: var(--jf-fg-muted);
  text-wrap: pretty;
  line-height: 1.65;
}
.jf-about__bio p:first-child {
  font-family: var(--jf-font-display);
  font-weight: 500;
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
  line-height: 1.32;
  letter-spacing: -0.022em;
  color: var(--jf-fg);
  text-wrap: balance;
}

.jf-facts {
  display: grid;
  gap: var(--jf-space-4);
  padding: var(--jf-space-6);
  border: 1px solid var(--jf-line);
  border-radius: var(--jf-radius-lg);
  background: var(--jf-bg-2);
}
.jf-facts__item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: var(--jf-space-3);
  align-items: baseline;
  padding-bottom: var(--jf-space-4);
  border-bottom: 1px solid var(--jf-line);
}
.jf-facts__item:last-child { border-bottom: 0; padding-bottom: 0; }
.jf-facts__item dt {
  font-family: var(--jf-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--jf-fg-muted);
}
.jf-facts__item dd {
  font-size: 15px;
  color: var(--jf-fg);
  font-weight: 500;
}

/* Career timeline */
.jf-timeline {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--jf-line);
}
.jf-timeline__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--jf-space-2);
  padding: var(--jf-space-5) 0;
  border-bottom: 1px solid var(--jf-line);
  transition: background var(--jf-dur-fast) var(--jf-ease);
}
@media (min-width: 768px) {
  .jf-timeline__row {
    grid-template-columns: 170px minmax(0, 1.3fr) minmax(0, 1fr);
    gap: var(--jf-space-6);
    align-items: baseline;
    padding: var(--jf-space-6) 0;
  }
}
.jf-timeline__row:hover {
  background: linear-gradient(to right, var(--jf-overlay), transparent 70%);
}
.jf-timeline__date {
  color: var(--jf-fg-muted);
  font-size: 12px;
  align-self: start;
}
.jf-timeline__title {
  font-family: var(--jf-font-display);
  font-weight: 500;
  font-size: 1.2rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--jf-fg);
}
.jf-timeline__title em {
  display: block;
  color: var(--jf-fg-muted);
  font-style: normal;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0;
  margin-top: 2px;
}
.jf-timeline__desc {
  color: var(--jf-fg-muted);
  font-size: 15px;
  text-wrap: pretty;
}


/* ----------  PROJECT PREVIEWS (browser + phone mockups)  ---------- */
.jf-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--jf-space-4);
  margin-bottom: var(--jf-space-6);
  padding-bottom: var(--jf-space-6);
  border-bottom: 1px solid var(--jf-line);
}
@media (min-width: 768px) {
  .jf-preview {
    flex-direction: row;
    justify-content: center;
    align-items: flex-end;
    gap: var(--jf-space-4);
  }
  /* Row layout: 600px is a width basis. In the mobile column layout it would
     become a height basis and stretch the frame, so it lives here only. */
  .jf-browser { flex: 0 1 600px; }
}

/* Browser frame */
.jf-browser {
  width: 100%;
  max-width: 600px;
  border: 1px solid var(--jf-line-strong);
  border-radius: var(--jf-radius-lg);
  overflow: hidden;
  background: var(--jf-bg-3);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.6);
}
.jf-browser__bar {
  display: flex;
  align-items: center;
  gap: var(--jf-space-3);
  padding: 10px 14px;
  background: var(--jf-bg-3);
  border-bottom: 1px solid var(--jf-line);
}
.jf-browser__dots {
  display: inline-flex;
  gap: 6px;
}
.jf-browser__dots i {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--jf-line-strong);
}
.jf-browser__url {
  flex: 1;
  font-family: var(--jf-font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--jf-fg-muted);
  background: var(--jf-bg-2);
  padding: 6px 12px;
  border-radius: 999px;
  text-align: center;
  border: 1px solid var(--jf-line);
}
.jf-browser__url::before {
  content: "🔒  ";
  filter: grayscale(1);
  opacity: 0.6;
}
.jf-browser__viewport {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--jf-bg);
  position: relative;
  overflow: hidden;
}
.jf-browser__viewport image-slot {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* Phone frame */
.jf-phone {
  flex: 0 0 auto;
  width: 160px;
  max-width: 160px;
  padding: 6px;
  border: 1px solid var(--jf-line-strong);
  border-radius: 24px;
  background: var(--jf-bg-3);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.6);
  position: relative;
}
.jf-phone::before {
  content: "";
  position: absolute;
  top: 12px; left: 50%;
  transform: translateX(-50%);
  width: 42px; height: 4px;
  border-radius: 999px;
  background: var(--jf-bg);
  z-index: 2;
}
.jf-phone__screen {
  border-radius: 18px;
  overflow: hidden;
  background: var(--jf-bg);
  aspect-ratio: 9 / 16;
  position: relative;
}
.jf-phone__screen image-slot {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* Image-slot dark-theme overrides — make drop targets visible on black */
image-slot::part(frame) {
  background: rgba(255,255,255,0.025);
}
image-slot::part(empty) {
  color: var(--jf-fg-muted);
}
image-slot::part(ring) {
  border-color: var(--jf-line-strong);
}
image-slot:hover::part(ring) {
  border-color: var(--jf-accent);
}
image-slot:hover::part(empty) {
  color: var(--jf-fg);
}

/* Phone slot — tighter empty state for the narrow frame */
.jf-phone__screen image-slot::part(empty) {
  font-size: 11px;
  padding: 8px;
  gap: 4px;
}

/* Empty-state hint copy inside slots (handled by image-slot placeholder attr) */


/* ----------  PROJECTS  ---------- */
.jf-projects {
  display: grid;
  gap: var(--jf-space-2);
}
.jf-project {
  border: 1px solid var(--jf-line);
  border-radius: var(--jf-radius-lg);
  background: var(--jf-bg-2);
  padding: var(--jf-space-6) var(--jf-space-6);
  transition: border-color var(--jf-dur-fast) var(--jf-ease), background var(--jf-dur-fast) var(--jf-ease);
}
@media (min-width: 1024px) {
  .jf-project { padding: var(--jf-space-7) var(--jf-space-8); }
}
.jf-project:hover {
  border-color: var(--jf-line-strong);
  background: var(--jf-bg-3);
}

.jf-project__head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: var(--jf-space-3) var(--jf-space-5);
  padding-bottom: var(--jf-space-5);
  border-bottom: 1px solid var(--jf-line);
  margin-bottom: var(--jf-space-6);
}
.jf-project__idx { color: var(--jf-fg-muted); }
.jf-project__title {
  font-family: var(--jf-font-display);
  font-weight: 500;
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  grid-column: 1 / -1;
  order: 2;
  text-wrap: balance;
}
.jf-project__tag {
  color: var(--jf-fg-muted);
  grid-column: 1 / -1;
  order: 3;
}
@media (min-width: 768px) {
  .jf-project__head {
    grid-template-columns: auto 1fr auto;
  }
  .jf-project__idx { order: 1; }
  .jf-project__title { grid-column: auto; order: 2; align-self: center; }
  .jf-project__tag { grid-column: auto; order: 3; text-align: right; }
}

.jf-project__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--jf-space-6);
}
@media (min-width: 1024px) {
  .jf-project__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: var(--jf-space-8);
  }
}
.jf-project__desc {
  font-size: 17px;
  color: var(--jf-fg);
  text-wrap: pretty;
}
.jf-project__meta {
  display: grid;
  gap: var(--jf-space-4);
  align-content: start;
}
.jf-project__meta dt {
  font-family: var(--jf-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--jf-fg-muted);
  margin-bottom: 4px;
}
.jf-project__meta dd {
  font-size: 14.5px;
  color: var(--jf-fg);
}

.jf-project__grid .jf-tags {
  grid-column: 1 / -1;
}


/* ----------  TAGS  ---------- */
.jf-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--jf-space-2);
  padding-top: var(--jf-space-5);
  border-top: 1px solid var(--jf-line);
  margin-top: var(--jf-space-2);
}
.jf-tags li {
  font-family: var(--jf-font-mono);
  font-size: 12px;
  color: var(--jf-fg);
  padding: 7px 12px;
  border: 1px solid var(--jf-line);
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
  transition: border-color var(--jf-dur-fast) var(--jf-ease), color var(--jf-dur-fast) var(--jf-ease);
}
.jf-tags li:hover {
  border-color: var(--jf-accent);
  color: var(--jf-accent);
}
.jf-tags--lg { padding-top: 0; border-top: 0; margin-top: 0; }
.jf-tags--lg li { padding: 9px 14px; font-size: 13px; }


/* ----------  STEPS / TIMELINE  ---------- */
.jf-steps {
  display: grid;
  gap: var(--jf-space-2);
  counter-reset: step;
}
@media (min-width: 1024px) {
  .jf-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--jf-line);
    border: 1px solid var(--jf-line);
    border-radius: var(--jf-radius-lg);
    overflow: hidden;
  }
}

.jf-step {
  background: var(--jf-bg);
  border: 1px solid var(--jf-line);
  border-radius: var(--jf-radius-lg);
  padding: var(--jf-space-6) var(--jf-space-6) var(--jf-space-7);
  display: grid;
  gap: var(--jf-space-3);
  align-content: start;
  position: relative;
  transition: background var(--jf-dur-fast) var(--jf-ease);
}
@media (min-width: 1024px) {
  .jf-step {
    border: 0;
    border-radius: 0;
    padding: var(--jf-space-7);
  }
}
.jf-step:hover { background: var(--jf-bg-2); }
.jf-step__num { color: var(--jf-accent); font-size: 13px; }
.jf-step__title {
  font-family: var(--jf-font-display);
  font-weight: 500;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-top: var(--jf-space-2);
}
.jf-step__body {
  color: var(--jf-fg-muted);
  font-size: 15px;
  text-wrap: pretty;
}


/* ----------  TECH STACK  ---------- */
.jf-stack {
  display: grid;
  gap: var(--jf-space-6);
}
.jf-stack__group {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--jf-space-4);
  /* padding: var(--jf-space-6) 0; */
  border-top: 1px solid var(--jf-line);
}
.jf-stack__group:last-child { border-bottom: 1px solid var(--jf-line); }
@media (min-width: 768px) {
  .jf-stack__group {
    grid-template-columns: 220px 1fr;
    gap: var(--jf-space-7);
    align-items: start;
  }
}
.jf-stack__label {
  color: var(--jf-fg-muted);
  padding-top: 6px;
}


/* ----------  REASONS  ---------- */
.jf-reasons {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--jf-space-2);
}
@media (min-width: 768px) {
  .jf-reasons { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .jf-reasons { grid-template-columns: repeat(3, 1fr); }
}

.jf-reason {
  border: 1px solid var(--jf-line);
  border-radius: var(--jf-radius);
  padding: var(--jf-space-5) var(--jf-space-5);
  background: var(--jf-bg-2);
  display: grid;
  gap: var(--jf-space-3);
  align-content: start;
  transition: border-color var(--jf-dur-fast) var(--jf-ease), background var(--jf-dur-fast) var(--jf-ease);
}
.jf-reason:hover {
  border-color: var(--jf-accent);
  background: var(--jf-bg-3);
}
.jf-reason__num {
  color: var(--jf-accent);
}
.jf-reason p {
  font-size: 16px;
  color: var(--jf-fg);
  text-wrap: pretty;
}


/* ----------  CONTACT  ---------- */
.jf-contact { position: relative; }
.jf-contact__title {
  font-size: clamp(2.2rem, 5.5vw, 4.4rem);
  letter-spacing: -0.035em;
}
.jf-contact__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--jf-space-4);
  margin: var(--jf-space-7) 0 var(--jf-space-8);
}
.jf-contact__channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--jf-space-5);
  padding-top: var(--jf-space-7);
  border-top: 1px solid var(--jf-line);
}
@media (min-width: 768px) {
  .jf-contact__channels { grid-template-columns: repeat(4, 1fr); }
}
.jf-contact__channels li {
  display: grid;
  gap: var(--jf-space-2);
}
.jf-contact__channels a {
  font-size: 17px;
  font-weight: 500;
  border-bottom: 1px solid var(--jf-line);
  padding-bottom: 2px;
  width: max-content;
  max-width: 100%;
  transition: color var(--jf-dur-fast) var(--jf-ease), border-color var(--jf-dur-fast) var(--jf-ease);
}
.jf-contact__channels a:hover {
  color: var(--jf-accent);
  border-color: var(--jf-accent);
}


/* ----------  FOOTER  ---------- */
.jf-footer {
  border-top: 1px solid var(--jf-line);
  margin-top: var(--jf-space-6);
}
.jf-footer__inner {
  max-width: var(--jf-container);
  margin: 0 auto;
  padding: var(--jf-space-6) var(--jf-gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--jf-space-4);
  color: var(--jf-fg-muted);
  flex-wrap: wrap;
}
.jf-footer__made { color: var(--jf-fg-dim); }


/* ----------  REVEAL ANIMACE  ---------- */
.jf-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--jf-dur) var(--jf-ease), transform var(--jf-dur) var(--jf-ease);
  transition-delay: var(--d, 0ms);
  will-change: opacity, transform;
}
.jf-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .jf-reveal { opacity: 1; transform: none; transition: none; }
  .jf-cursor { animation: none; }
  .jf-dot--live { animation: none; }
  .jf-term__appear { animation: none; }
}