/* ==========================================================================
   Max Rudus — portfolio. Ахроматический редакторский стиль (acolorbright).
   Токены — из DESIGN.md. Чёрный текст на белом, ноль цвета, вес шрифта 400,
   иерархия через размер и трекинг.
   ========================================================================== */

:root {
  /* colors */
  --ink:      #1a1a1a;   /* основной текст, badge */
  --charcoal: #262626;   /* тёмные заливки (кнопка) */
  --graphite: #666666;   /* body / вторичный текст */
  --ash:      #999999;   /* приглушённый */
  --fog:      #e6e6e6;   /* хайрлайны, границы */
  --mist:     #f2f2f2;   /* плейсхолдеры картинок */
  --paper:    #ffffff;   /* фон */

  /* type */
  --font: 'Inter Tight', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  /* layout */
  --maxw: 1200px;
  --pad: 32px;
  --tracking: -0.01em;
  --radius-img: 12px;
  --radius-btn: 8px;
  --radius-nav: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-weight: 400;
  letter-spacing: var(--tracking);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: inherit; text-decoration: none; }
sup { font-size: .6em; }

/* ---------- HERO ---------- */
.hero {
  padding: 140px 0 24px;
  max-width: 880px;
}
.hero__line1 { font-size: 40px; line-height: 1.1;  margin: 0 0 28px; }
.hero__line2 { font-size: 40px; line-height: 1.15; color: var(--graphite); margin: 0; }

/* ---------- CHAPTERS ---------- */
.chapter { padding-top: 112px; }
.h2 {
  display: flex; align-items: center; gap: 16px;
  font-size: 40px; font-weight: 400; line-height: 1.1;
  margin: 0 0 40px;
}
.h2--plain { padding-left: 0; }
.badge {
  flex: 0 0 auto;
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  background: #000; color: #fff;
  border-radius: 50%;
  font-size: 15px; line-height: 1;
}
.intro {
  font-size: 18px; line-height: 1.25;
  color: var(--graphite);
  max-width: 680px;
  margin: 0 0 40px;
}

/* ---------- CASE CARDS ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.card {
  display: flex; flex-direction: column; gap: 16px;
  cursor: pointer;
  background: none; border: none; padding: 0; margin: 0;
  text-align: left;
  font: inherit; color: inherit;
  letter-spacing: var(--tracking);
}
.card__media {
  position: relative;
  width: 100%; aspect-ratio: 36 / 26;
  background: var(--mist) center/cover no-repeat;
  border-radius: var(--radius-img);
  transition: opacity .18s ease;
}
.card:hover .card__media { opacity: .82; }
.wip-badge {
  position: absolute; top: 12px; left: 12px;
  background: var(--paper); color: var(--ink);
  font-size: 12px; line-height: 1;
  padding: 6px 11px; border-radius: 100px;
}
.card:focus-visible { outline: 2px solid var(--ink); outline-offset: 6px; border-radius: 4px; }
.card__title { font-size: 16px; }
.card__desc  { font-size: 16px; color: var(--graphite); line-height: 1.3; }

/* ---------- SOFT SKILLS ---------- */
.skills {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 44px 32px;
}
.skill h3 { font-size: 18px; font-weight: 400; margin: 0 0 8px; }
.skill p  { font-size: 16px; color: var(--graphite); line-height: 1.3; margin: 0; }

/* ---------- ABOUT ---------- */
.about__row { display: flex; gap: 64px; align-items: flex-start; }
.about__col { flex: 1; display: flex; flex-direction: column; gap: 20px; }
.about__col p { margin: 0; font-size: 18px; line-height: 1.38; color: var(--graphite); }
.about__lead { font-size: 24px !important; line-height: 1.22 !important; color: var(--ink) !important; }
.about__photo { flex: 0 0 420px; width: 420px; height: 520px; border-radius: var(--radius-img); object-fit: cover; display: block; }
.ph { background: var(--mist); }

/* ---------- BUTTONS ---------- */
.btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 4px; }
.btn {
  display: inline-flex; align-items: center;
  padding: 13px 18px;
  border: 1px solid var(--fog);
  border-radius: var(--radius-btn);
  font-size: 16px;
  transition: border-color .15s ease, background .15s ease;
}
.btn:hover { border-color: var(--ink); }
.btn--dark { background: var(--charcoal); color: #fff; border-color: var(--charcoal); }
.btn--dark:hover { background: #000; border-color: #000; }

/* ---------- CTA ---------- */
.cta__statement { font-size: 40px; line-height: 1.15; max-width: 860px; margin: 0 0 32px; }

/* ---------- FOOTER ---------- */
.footer { padding: 112px 0 56px; }
.footer hr { border: none; border-top: 1px solid var(--fog); margin: 0 0 16px; }
.footer__row { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer__brand div { font-size: 16px; }
.footer__links { display: flex; flex-direction: column; gap: 6px; text-align: right; }
.footer__links a:hover { color: var(--ink); }
.muted { color: var(--graphite); font-size: 16px; }
.footer__disc { color: var(--ash); font-size: 12px; line-height: 1.25; margin: 24px 0 0; max-width: 620px; }

/* ==========================================================================
   MODAL / поп-ап кейса
   ========================================================================== */
.modal {
  position: fixed; inset: 0; z-index: 100;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0 24px;
}
.modal[hidden] { display: none; }
.modal__scrim { position: fixed; inset: 0; background: var(--ink); opacity: .55; }
.modal__panel {
  position: relative;
  width: 100%; max-width: 920px;
  margin: 72px auto;                 /* block-раскладка: нижний отступ не схлопывается при скролле */
  background: var(--paper);
  border-radius: 16px;
  padding: 48px 56px;
  animation: pop .22s ease;
}
@keyframes pop { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

.modal__body { display: flex; flex-direction: column; gap: 36px; }
.pm-header { display: flex; align-items: center; justify-content: space-between; }
.pm-tag { font-size: 13px; color: var(--ash); }
.wip {
  display: inline-block; vertical-align: middle; margin-left: 6px;
  font-size: 12px; color: var(--ink);
  border: 1px solid var(--fog); border-radius: 100px;
  padding: 3px 9px;
}
.pm-close {
  width: 36px; height: 36px; flex: 0 0 auto;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--fog); border-radius: 50%;
  background: none; cursor: pointer;
  font-size: 22px; line-height: 1; color: var(--ink);
}
.pm-close:hover { border-color: var(--ink); }
.pm-hero { width: 100%; height: 380px; background: var(--mist) center/cover no-repeat; border-radius: var(--radius-img); }
.pm-titleblock { display: flex; flex-direction: column; gap: 12px; }
.pm-title { font-size: 40px; font-weight: 400; line-height: 1.08; margin: 0; }
.pm-role  { font-size: 16px; color: var(--graphite); line-height: 1.25; margin: 0; }
.pm-link  { font-size: 16px; color: var(--ash); }
.pm-link:hover { color: var(--ink); }

.pm-metrics { border-top: 1px solid var(--fog); padding-top: 28px; display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 32px; }
.pm-metric .num { font-size: 40px; line-height: 1; }
.pm-metric .cap { font-size: 15px; color: var(--graphite); line-height: 1.28; margin-top: 8px; }

.pm-block { display: flex; flex-direction: column; gap: 12px; }
.pm-block h4 { font-size: 20px; font-weight: 400; line-height: 1.15; margin: 0; }
.pm-block p  { font-size: 18px; color: var(--graphite); line-height: 1.4; margin: 0; }
.pm-done ul { list-style: none; margin: 12px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.pm-done li { display: flex; gap: 12px; font-size: 18px; color: var(--graphite); line-height: 1.4; }
.pm-done li::before { content: "—"; flex: 0 0 auto; }
.pm-driver { font-size: 18px; color: var(--graphite); line-height: 1.4; margin: 12px 0 0; }

.pm-gallery { display: flex; flex-direction: column; gap: 16px; }
.pm-gallery img { width: 100%; border-radius: var(--radius-img); display: block; }

.pm-cta { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 12px; }
.pm-next {
  background: none; border: none; padding: 0; cursor: pointer;
  font: inherit; letter-spacing: var(--tracking);
  font-size: 16px; color: var(--graphite);
  transition: color .15s ease;
}
.pm-next:hover { color: var(--ink); }

body.modal-open { overflow: hidden; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 900px) {
  .cards  { grid-template-columns: repeat(2, 1fr); }
  .skills { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .about__row { flex-direction: column; gap: 32px; }
  .about__photo { flex: none; width: 100%; height: 360px; }
}

@media (max-width: 640px) {
  :root { --pad: 20px; }
  .nav { padding: 20px 0 8px; }
  .hero { padding: 96px 0 16px; }
  .hero__line1, .hero__line2 { font-size: 28px; margin-bottom: 18px; }
  .chapter { padding-top: 72px; }
  .h2 { font-size: 28px; gap: 12px; margin-bottom: 28px; align-items: flex-start; }
  .badge { width: 30px; height: 30px; font-size: 14px; margin-top: 2px; }
  .intro { font-size: 16px; }
  .cards  { grid-template-columns: 1fr; gap: 40px; }
  .skills { grid-template-columns: 1fr; gap: 28px; }
  .about__lead { font-size: 20px !important; }
  .about__col p { font-size: 16px; }
  .cta__statement { font-size: 24px; }
  .footer { padding-top: 72px; }
  .footer__row { flex-direction: column; }
  .footer__links { text-align: left; }

  /* модалка как нижний лист */
  .modal { padding: 0; }
  .modal__panel { max-width: none; border-radius: 18px 18px 0 0; padding: 22px 20px 40px; margin: 40px 0 0; min-height: calc(100vh - 40px); }
  .modal__body { gap: 24px; }
  .pm-hero { height: 210px; }
  .pm-title { font-size: 26px; }
  .pm-metrics { grid-template-columns: 1fr; gap: 16px; }
  .pm-metric { display: flex; align-items: baseline; gap: 12px; }
  .pm-metric .num { font-size: 30px; }
  .pm-metric .cap { margin-top: 0; }
  .pm-block h4 { font-size: 18px; }
  .pm-block p, .pm-done li, .pm-driver { font-size: 16px; }
  .pm-cta { flex-direction: column; align-items: stretch; gap: 14px; }
  .pm-cta .btn--dark { justify-content: center; }
  .pm-next { text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .modal__panel { animation: none; }
}