/* ───────────────────────────────────────────────
   Gabor Szücs — Portfolio v2
   Editorial Engineering: Fraunces + Inter + JetBrains Mono
   ─────────────────────────────────────────────── */

:root {
  --bg:        #f6f4ef;
  --bg-2:      #efece4;
  --ink:       #131110;
  --ink-soft:  #4a463f;
  --ink-mute:  #8c867c;
  --rule:      #d9d3c6;
  --paper:     #fbfaf6;
  --accent:    #2d8653;
  --accent-soft: #6ab890;

  --serif: 'Fraunces', 'Playfair Display', Georgia, serif;
  --sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:  'JetBrains Mono', 'Menlo', monospace;

  --maxw: 1240px;
  --pad: clamp(20px, 4vw, 56px);
  --radius: 4px;

  --motion: 1;
}

html[data-theme="dark"] {
  --bg:        #0e0d0c;
  --bg-2:      #161412;
  --ink:       #f3efe7;
  --ink-soft:  #c9c2b3;
  --ink-mute:  #8a8273;
  --rule:      #2a2723;
  --paper:     #131110;
  --accent:    #4db87a;
  --accent-soft: #2d8653;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { background: var(--bg); }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
::selection { background: var(--accent); color: var(--paper); }
a { color: inherit; text-decoration: none; }

/* View transitions wipe for dark/light */
::view-transition-old(root),
::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
::view-transition-old(root) { z-index: 1; }
::view-transition-new(root) { z-index: 2; }

/* ────── Layout ────── */
.shell { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }

/* ────── Topbar ────── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--pad);
  background: color-mix(in oklab, var(--bg), transparent 15%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.topbar.scrolled { border-bottom-color: var(--rule); }
.topbar-left { display: flex; align-items: center; gap: 14px; }
.topbar-logo-wrap {
  width: 38px; height: 38px;
  overflow: hidden; flex-shrink: 0;
}
.topbar-logo {
  width: 95px; height: 95px;
  margin: -28px;
  filter: var(--logo-filter, none);
}
html[data-theme="dark"] .topbar-logo { filter: invert(1); }
.topbar-name {
  font-family: var(--serif); font-weight: 500;
  font-size: 17px; letter-spacing: -0.01em;
}
.topbar-nav {
  display: flex; gap: 28px;
  font-family: var(--mono); font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-soft);
}
.topbar-nav a { position: relative; }
.topbar-nav a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -4px;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .35s cubic-bezier(.2,.7,.2,1);
}
.topbar-nav a:hover::after { transform: scaleX(1); }
.topbar-right { display: flex; align-items: center; gap: 12px; }

.theme-toggle {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background .2s, border-color .2s, transform .2s;
}
.theme-toggle:hover { background: var(--bg-2); border-color: var(--ink-mute); }
.theme-toggle:active { transform: scale(.92); }

/* ────── Issue strip ────── */
.issue-strip {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-mute);
}
.issue-strip > span { white-space: nowrap; }

/* ────── Hero ────── */
.hero { padding: clamp(40px, 8vw, 100px) 0 clamp(48px, 9vw, 120px); position: relative; }
.hero-kicker {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink-mute);
  margin-bottom: 28px;
  display: flex; align-items: center; gap: 12px;
}
.hero-kicker::before {
  content: ''; width: 32px; height: 1px; background: var(--accent);
  display: inline-block;
}
.hero-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(48px, 9vw, 132px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin: 0;
  font-variation-settings: "opsz" 144, "SOFT" 30;
}
.hero-title em {
  font-style: italic; font-weight: 300;
  color: var(--accent);
  font-variation-settings: "opsz" 144, "SOFT" 100;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(24px, 5vw, 80px);
  margin-top: clamp(40px, 6vw, 72px);
  align-items: end;
}
.hero-lead {
  font-family: var(--serif);
  font-size: clamp(20px, 1.8vw, 26px);
  line-height: 1.4;
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--ink-soft);
  max-width: 56ch;
}
.hero-lead .dropcap {
  float: left;
  font-size: 5.6em;
  line-height: 0.82;
  padding: 8px 14px 0 0;
  font-weight: 600;
  font-style: italic;
  color: var(--accent);
  font-variation-settings: "opsz" 144;
}
.hero-meta {
  font-family: var(--mono); font-size: 12px;
  color: var(--ink-mute); letter-spacing: 0.06em;
  display: grid; gap: 10px;
  border-left: 1px solid var(--rule);
  padding-left: 20px;
}
.hero-meta dt { color: var(--ink-mute); text-transform: uppercase; font-size: 10px; letter-spacing: 0.14em; }
.hero-meta dd { margin: 0 0 8px; color: var(--ink); font-size: 13px; }
.hero-meta .status-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: #3aa76d; margin-right: 8px; vertical-align: middle;
  box-shadow: 0 0 0 0 rgba(58,167,109,.6);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(58,167,109,.5); }
  50%      { box-shadow: 0 0 0 6px rgba(58,167,109,0); }
}

/* ────── Section header ────── */
.section { padding: clamp(60px, 9vw, 120px) 0; border-top: 1px solid var(--rule); }
.section-head {
  display: grid; grid-template-columns: 120px 1fr; gap: clamp(20px, 4vw, 60px);
  margin-bottom: clamp(40px, 5vw, 72px);
  align-items: baseline;
}
.section-num {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--ink-mute);
}
.section-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(32px, 5vw, 64px);
  line-height: 1.05; letter-spacing: -0.02em; margin: 0;
}
.section-title em { font-style: italic; color: var(--accent); font-weight: 300; }
.section-sub {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: 8px;
}

/* ────── About ────── */
.about-grid {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: clamp(28px, 5vw, 72px);
  align-items: start;
}
.about-photo {
  aspect-ratio: 4 / 5;
  background: var(--bg-2);
  border: 1px solid var(--rule);
  overflow: hidden;
  display: flex; align-items: flex-end; justify-content: center;
}
.about-portrait {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top;
  display: block;
}
.about-body { font-size: 17px; line-height: 1.65; max-width: 60ch; color: var(--ink-soft); }
.about-body p { margin: 0 0 1.1em; }
.about-body p:first-child::first-letter {
  font-family: var(--serif);
  font-size: 3.4em; font-weight: 500; font-style: italic;
  float: left; line-height: 0.82; padding: 6px 10px 0 0;
  color: var(--accent);
}
.about-body strong { color: var(--ink); font-weight: 600; }

/* ────── Projects ────── */
.projects { display: grid; gap: 0; }
.project {
  display: grid;
  grid-template-columns: 80px 1fr 1fr;
  gap: clamp(20px, 4vw, 56px);
  padding: clamp(36px, 5vw, 56px) 0;
  border-top: 1px solid var(--rule);
  align-items: start;
  position: relative;
  transition: background .35s;
}
.project:last-child { border-bottom: 1px solid var(--rule); }
.project:hover { background: color-mix(in oklab, var(--accent) 4%, transparent); }
.project-num {
  font-family: var(--serif);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 300; font-style: italic;
  color: var(--accent);
  line-height: 0.9;
  font-variation-settings: "opsz" 144;
}
.project-main h3 {
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 500;
  line-height: 1.1;
  margin: 0 0 10px;
  letter-spacing: -0.015em;
}
.project-main .en-title {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-mute); margin-bottom: 18px;
}
.project-main .stack {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 20px;
}
.project-main .stack span {
  font-family: var(--mono); font-size: 11px;
  padding: 4px 9px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--ink-soft);
  background: var(--bg-2);
  transition: border-color .2s, color .2s, transform .2s;
}
.project-main .stack span:hover { border-color: var(--accent); color: var(--accent); }
.project-body ul {
  margin: 0; padding: 0; list-style: none;
  display: grid; gap: 12px;
  font-size: 15px; color: var(--ink-soft); line-height: 1.55;
}
.project-body li { padding-left: 22px; position: relative; }
.project-body li::before {
  content: ''; position: absolute; left: 0; top: 0.65em;
  width: 12px; height: 1px; background: var(--accent);
}

/* ────── Stack ────── */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.stack-cat {
  background: var(--bg);
  padding: 24px 22px;
  transition: background .25s;
}
.stack-cat:hover { background: var(--bg-2); }
.stack-cat h4 {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-mute); margin: 0 0 14px;
}
.stack-cat ul {
  margin: 0; padding: 0; list-style: none;
  display: flex; flex-wrap: wrap; gap: 6px 10px;
}
.stack-cat li {
  font-family: var(--serif); font-size: 16px; font-weight: 400;
  color: var(--ink);
  padding-right: 10px;
  position: relative;
}
.stack-cat li:not(:last-child)::after {
  content: '·'; position: absolute; right: 0; color: var(--ink-mute);
}

/* ────── Languages & Education ────── */
.lang-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 5vw, 72px);
}
.lang-block h4, .edu-block h4 {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-mute); margin: 0 0 18px;
}
.lang-list { display: grid; gap: 14px; }
.lang-row {
  display: grid; grid-template-columns: 1fr auto; gap: 12px;
  padding-bottom: 14px; border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.lang-row .name { font-family: var(--serif); font-size: 22px; }
.lang-row .level {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-mute);
}
.edu-card {
  padding: 22px;
  border: 1px solid var(--rule);
  background: var(--paper);
}
.edu-card .title { font-family: var(--serif); font-size: 22px; margin-bottom: 6px; }
.edu-card .org { color: var(--ink-soft); font-size: 14px; }
.edu-card .when { font-family: var(--mono); font-size: 11px; color: var(--ink-mute); margin-top: 12px; letter-spacing: 0.1em; }

/* ────── References ────── */
.ref-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px; margin-top: 8px;
}
.ref-card {
  padding: 28px; border: 1px solid var(--rule);
  background: var(--paper); display: flex; flex-direction: column; gap: 12px;
}
.ref-logo { height: 36px; width: auto; object-fit: contain; filter: var(--logo-filter, none); }
html[data-theme="dark"] .ref-logo { filter: invert(1); }
.ref-logo-placeholder {
  height: 36px; width: 36px; display: flex; align-items: center; justify-content: center;
  background: var(--accent); color: var(--paper);
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em;
}
.ref-name { font-family: var(--serif); font-size: 22px; font-weight: 400; margin: 0; }
.ref-desc { font-size: 14px; color: var(--ink-soft); margin: 0; line-height: 1.6; flex: 1; }
.ref-link {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em;
  color: var(--accent); text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 4px;
}
.ref-link:hover { text-decoration: underline; }

/* ────── Contact ────── */
.contact { padding: clamp(80px, 12vw, 160px) 0; }
.contact-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 100px); align-items: start;
}
.contact-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(32px, 5vw, 64px);
  line-height: 1.05; letter-spacing: -0.02em;
  margin: 0 0 24px;
  font-variation-settings: "opsz" 72;
}
.contact-title em { font-style: italic; color: var(--accent); font-weight: 300; }
.contact-body {
  font-size: 15px; color: var(--ink-soft); line-height: 1.75;
  margin: 0 0 32px; max-width: 420px;
}
.contact-socials { display: flex; gap: 24px; flex-wrap: wrap; }
.contact-socials a {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-mute);
  transition: color .2s;
}
.contact-socials a:hover { color: var(--accent); }

.contact-form {
  display: flex; flex-direction: column; gap: 20px;
  background: var(--paper); border: 1px solid var(--rule); padding: 36px;
}
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field label {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-mute);
}
.form-field input, .form-field textarea {
  font-family: var(--sans); font-size: 14px;
  background: var(--bg); color: var(--ink);
  border: 1px solid var(--rule); padding: 12px 14px;
  outline: none; resize: vertical;
  transition: border-color .2s;
  -webkit-appearance: none;
}
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--ink-mute); }
.form-field input:focus, .form-field textarea:focus { border-color: var(--accent); }
.form-submit {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em;
  text-transform: uppercase; cursor: pointer;
  background: var(--ink); color: var(--bg);
  border: 1px solid var(--ink); padding: 14px 24px;
  display: inline-flex; align-items: center; gap: 10px;
  transition: background .2s, border-color .2s;
  align-self: flex-start;
}
.form-submit:hover:not(:disabled) { background: var(--accent); border-color: var(--accent); color: var(--paper); }
.form-submit:disabled { opacity: 0.5; cursor: not-allowed; }
.form-error { font-size: 13px; color: #c0392b; margin: 0; }

.contact-success {
  background: var(--paper); border: 1px solid var(--rule); padding: 48px 36px;
  text-align: center; display: flex; flex-direction: column; align-items: center; gap: 16px;
}
.contact-success-icon {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--accent); color: var(--paper);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.contact-success p { font-size: 15px; color: var(--ink-soft); margin: 0; }

@media (max-width: 700px) {
  .contact-layout { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
}

/* ────── Footer ────── */
.footer {
  border-top: 1px solid var(--rule);
  padding: 32px 0 48px;
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-mute);
}

.footer-legal { display: flex; gap: 20px; }
.footer-legal a { color: var(--ink-mute); transition: color .2s; }
.footer-legal a:hover { color: var(--accent); }

/* ────── Cursor + magnet ────── */
.cursor-ring {
  position: fixed; top: 0; left: 0;
  width: 28px; height: 28px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none; z-index: 9000;
  transition: width .25s, height .25s, border-color .25s, background .25s;
  mix-blend-mode: difference;
  opacity: 0;
}
.cursor-ring.visible { opacity: 0.85; }
.cursor-ring.over-link { width: 52px; height: 52px; background: color-mix(in oklab, var(--accent) 30%, transparent); }
@media (hover: none) { .cursor-ring { display: none; } }

/* ────── Reveal on scroll ────── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* Mono-first mode */
html[data-mode="mono"] {
  --serif: var(--mono);
}
html[data-mode="mono"] .hero-title,
html[data-mode="mono"] .section-title,
html[data-mode="mono"] .contact-title,
html[data-mode="mono"] .project-main h3 {
  letter-spacing: -0.04em; font-weight: 500;
}

/* ────── Hero CTA ────── */
.hero-actions { margin-top: 32px; }
.hero-cta {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--accent); color: var(--paper);
  padding: 14px 24px; border: 1px solid var(--accent);
  transition: background .2s, border-color .2s;
}
.hero-cta:hover { background: transparent; color: var(--accent); }

/* ────── Focus chips ────── */
.focus-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; }
.focus-chip {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em;
  text-transform: uppercase; padding: 3px 8px;
  border: 1px solid var(--rule); color: var(--ink-mute);
  background: var(--bg-2);
}

/* ────── Hamburger ────── */
.hamburger {
  display: none; background: none; border: none; cursor: pointer;
  padding: 6px; color: var(--ink);
}
.ham-icon { display: flex; flex-direction: column; gap: 5px; width: 22px; }
.ham-icon span {
  display: block; height: 1.5px; background: currentColor;
  transition: transform .25s, opacity .25s;
}
.ham-icon.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.ham-icon.open span:nth-child(2) { opacity: 0; }
.ham-icon.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ────── Mobile nav ────── */
.mobile-nav {
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--bg); border-bottom: 1px solid var(--rule);
  display: flex; flex-direction: column;
  padding: 16px 0; z-index: 40;
}
.mobile-nav a {
  padding: 14px 24px; font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink);
  border-bottom: 1px solid var(--rule);
  transition: color .2s;
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a:hover { color: var(--accent); }
.mobile-nav-cta {
  color: var(--accent) !important;
  font-weight: 600;
}

/* ────── Responsive ────── */
@media (max-width: 900px) {
  .shell { padding-left: 24px; padding-right: 24px; }
  .topbar-nav { display: none; }
  .hamburger { display: flex; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-meta { border-left: none; border-top: 1px solid var(--rule); padding-left: 16px; padding-top: 20px; }
  .hero-lead .dropcap {
    float: none; font-size: 1em; line-height: inherit;
    padding: 0 !important; font-weight: inherit; font-style: inherit;
    color: inherit; font-variation-settings: inherit;
  }
  .section-head { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 320px; }
  .project { grid-template-columns: 60px 1fr; }
  .project-body { grid-column: 1 / -1; padding-left: 60px; }
  .lang-grid { grid-template-columns: 1fr; }
}