/* ============================================================
   ucze.ai / lekarze — editorial dark + yellow
   ============================================================ */
:root {
  --bg: #0E0E0C;
  --bg-2: #16160F;
  --bg-warm: #1C1810;
  --ink: #F4EFE6;
  --ink-2: #DCD6CB;
  --ink-3: #8C8676;
  --line: rgba(244,239,230,0.15);
  --line-strong: rgba(244,239,230,0.28);
  --accent: #ffe747;
  --accent-ink: #0E0E0C;

  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --body: "Mate", Georgia, "Times New Roman", serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;
  --logo: "Rubik Doodle Shadow", system-ui, sans-serif;

  --maxw: 1140px;
  --gutter: clamp(20px, 4vw, 56px);
  --section-pad: clamp(72px, 9vw, 128px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.lek-root { background: var(--bg); color: var(--ink); }

img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: var(--accent-ink); }

.page {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

section { padding: var(--section-pad) 0; border-top: 1px solid var(--line); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 26px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn__arrow { display: inline-block; transition: transform .15s ease; }
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--lg { padding: 20px 34px; font-size: 15px; }

/* ============================================================
   LOGO
   ============================================================ */
.lek-logo {
  font-family: var(--logo);
  font-size: 34px;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--ink);
}
.lek-logo__dot { color: var(--accent); }

/* ============================================================
   SECTION HEADER (numbered, editorial)
   ============================================================ */
.shead {
  display: grid;
  gap: 22px;
  max-width: 880px;
  margin-bottom: clamp(40px, 5vw, 64px);
}
.shead__meta {
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.shead__num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 26px;
  color: var(--accent);
  font-weight: 500;
}
.shead__kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.shead__title {
  font-family: var(--serif);
  font-size: clamp(38px, 5.2vw, 66px);
  line-height: 1.04;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: pretty;
}
.shead__title em {
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}
.shead__lede {
  font-family: var(--body);
  font-style: italic;
  font-size: 21px;
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 60ch;
  margin: 0;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  border-top: 0;
  padding: 32px 0 var(--section-pad);
  display: flex;
  flex-direction: column;
  gap: clamp(48px, 6vw, 80px);
}
.hero__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.hero__meta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.hero__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 30px;
  max-width: 960px;
}
.hero__title {
  font-family: var(--serif);
  font-size: clamp(56px, 9.5vw, 132px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  font-weight: 500;
  margin: 0;
}
.hero__title .ln { display: block; }
.hero__title .ai { font-style: italic; color: var(--accent); font-weight: 400; }

/* rolling single-line variant */
.hero__roll {
  display: inline-flex;
  flex-direction: column;
  height: 1em;
  overflow: hidden;
  vertical-align: bottom;
}
.hero__roll-track {
  display: flex;
  flex-direction: column;
  animation: hero-roll 6s cubic-bezier(.7,0,.3,1) infinite;
}
.hero__roll-track span { height: 1em; line-height: 1; }
.hero__roll-track .ai { font-style: italic; color: var(--accent); }
@keyframes hero-roll {
  0%, 26%   { transform: translateY(0); }
  33%, 59%  { transform: translateY(-1em); }
  66%, 92%  { transform: translateY(-2em); }
  100%      { transform: translateY(-3em); }
}
@media (prefers-reduced-motion: reduce) {
  .hero__roll-track { animation: none; }
}

.hero__lede {
  font-family: var(--body);
  font-size: 23px;
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 58ch;
  margin: 0;
}
.hero__sublede {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  margin: 0;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }

.hero__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: var(--bg-2);
}
.hero__media img {
  width: 100%;
  height: auto;
  display: block;
}

/* shared image frames */
.media-frame {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: var(--bg-2);
}
.media-frame img { width: 100%; height: auto; display: block; }
.media-frame .media-cap {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0;
  padding: 14px 18px;
  border-top: 1px solid var(--line);
}
.media-wide { margin-top: clamp(36px, 4vw, 56px); }

/* ============================================================
   CHICAMP STRIP (under hero)
   ============================================================ */
.chicamp {
  border-top: 1px solid var(--line);
  padding: clamp(40px, 5vw, 56px) 0;
}
.chicamp__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: clamp(28px, 3vw, 36px) clamp(28px, 3.5vw, 44px);
  border: 1px solid var(--accent);
  border-radius: 4px;
}
.chicamp__txt { display: flex; flex-direction: column; gap: 8px; max-width: 64ch; }
.chicamp__eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}
.chicamp__txt p {
  margin: 0;
  font-size: 19px;
  line-height: 1.45;
  color: var(--ink);
}
.chicamp__txt p strong { font-weight: 400; font-style: italic; color: var(--ink-2); }

/* variant B: warmer filled bar */
[data-variant="b"] .chicamp__inner {
  border-color: var(--line-strong);
  background: var(--bg-warm);
}

/* ============================================================
   01 — PROSE
   ============================================================ */
.prose {
  max-width: 70ch;
  display: grid;
  gap: 26px;
  font-size: 20px;
  line-height: 1.62;
  color: var(--ink-2);
}
.prose p { margin: 0; }
.prose .pull {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(24px, 2.8vw, 32px);
  line-height: 1.3;
  color: var(--ink);
  border-left: 2px solid var(--accent);
  padding-left: 26px;
  margin: 6px 0;
}

/* ============================================================
   02 — CAPABILITY CARDS
   ============================================================ */
.caps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.cap {
  background: var(--bg);
  padding: clamp(28px, 3vw, 40px);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  align-items: start;
}
.cap__icon {
  width: 40px; height: 40px;
  color: var(--accent);
  flex-shrink: 0;
}
.cap__num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--ink-3);
}
.cap__title {
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.18;
  margin: 0 0 10px;
}
.cap__desc { margin: 0; font-size: 16.5px; line-height: 1.55; color: var(--ink-2); }
.cap__head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 12px; }

/* variant B: mono numerals, denser */
[data-variant="b"] .cap__num {
  font-family: var(--mono);
  font-style: normal;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--accent);
}

/* ============================================================
   03 — SECURITY (text + diagram)
   ============================================================ */
.secure {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(40px, 5vw, 72px);
  align-items: start;
}
.secure__points { display: grid; gap: 28px; }
.secure__point { display: grid; gap: 8px; }
.secure__point p { margin: 0; font-size: 18px; line-height: 1.55; color: var(--ink-2); }
.secure__lead {
  font-family: var(--serif);
  font-size: 23px;
  line-height: 1.3;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.secure__lead em { font-style: italic; color: var(--accent); font-weight: 400; }

.diagram {
  border: 1px solid var(--line);
  background: var(--bg-2);
  overflow: hidden;
  border-radius: 4px;
  position: sticky;
  top: 32px;
}
.diagram img { width: 100%; height: auto; display: block; }
.diagram__cap {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0;
  padding: 14px 18px;
  border-top: 1px solid var(--line);
}

[data-variant="b"] .secure__lead { font-family: var(--mono); font-size: 16px; letter-spacing: 0; line-height: 1.4; }

/* ============================================================
   04 — FOR WHOM
   ============================================================ */
.whom {
  display: grid;
  gap: 28px;
  max-width: 72ch;
  font-size: 20px;
  line-height: 1.6;
  color: var(--ink-2);
}
.whom p { margin: 0; }
.whom__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 8px 0;
}
.whom__tag {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
}
.whom__note {
  font-family: var(--serif);
  font-style: italic;
  font-size: 24px;
  line-height: 1.35;
  color: var(--ink);
  border-left: 2px solid var(--accent);
  padding-left: 26px;
  margin-top: 12px;
}

/* ============================================================
   05 — CHICAMP INVITATION CARD
   ============================================================ */
.invite {
  border: 1px solid var(--line-strong);
  background: var(--bg-warm);
  padding: clamp(36px, 5vw, 64px);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(36px, 5vw, 64px);
  align-items: center;
}
.invite__date {
  display: grid;
  gap: 4px;
  padding-right: clamp(36px, 5vw, 64px);
  border-right: 1px solid var(--line);
  text-align: left;
}
.invite__day {
  font-family: var(--serif);
  font-size: clamp(56px, 8vw, 92px);
  line-height: 0.92;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--accent);
}
.invite__month {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.invite__place {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 10px;
}
.invite__body { display: grid; gap: 18px; }
.invite__body p { margin: 0; font-size: 19px; line-height: 1.5; color: var(--ink-2); }
.invite__body p strong { color: var(--ink); font-style: italic; font-weight: 400; }
.invite__cta { margin-top: 8px; }

/* ============================================================
   06 — CONTACT
   ============================================================ */
.contact { display: grid; gap: 26px; max-width: 70ch; }
.contact p { margin: 0; font-size: 21px; line-height: 1.55; color: var(--ink-2); }
.contact__cta { margin-top: 6px; }
.contact__note {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-3);
}
.contact__note a { color: var(--accent); }

/* ============================================================
   FOOTER
   ============================================================ */
.lek-foot {
  border-top: 1px solid var(--line);
  padding: 48px 0 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.lek-foot__back {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
}
.lek-foot__back:hover { color: var(--accent); }
.lek-foot__meta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 860px) {
  .caps { grid-template-columns: 1fr; }
  .secure { grid-template-columns: 1fr; }
  .diagram { position: static; }
  .invite { grid-template-columns: 1fr; }
  .invite__date {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding-right: 0;
    padding-bottom: 28px;
  }
  .chicamp__inner { flex-direction: column; align-items: flex-start; }
}