:root {
  --color-bg:#0E0E10;
  --color-text:#F5F5F5;
  --color-muted:#A0A0A8;
  --color-border:#29292f;
  --color-surface:#17171c;
  --color-accent:#c7ff58;
  --space-xs:8px;
  --space-sm:16px;
  --space-md:24px;
  --space-lg:48px;
  --space-xl:80px;
  --space-2xl:120px;
  --radius-sm:8px;
  --radius-md:14px;
  --container:1120px;
}

* { box-sizing:border-box; margin:0; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body {
  min-width:320px;
  background:var(--color-bg);
  color:var(--color-text);
  font:400 16px/1.5 "Space Grotesk", system-ui, sans-serif;
  -webkit-font-smoothing:antialiased;
}
a { color:inherit; text-decoration:none; }
button, summary { font:inherit; }
:focus-visible { outline:2px solid var(--color-accent); outline-offset:4px; }

.container {
  width:min(100%, var(--container));
  margin:auto;
  padding-inline:var(--space-md);
}
.section { padding-block:var(--space-xl); }

.eyebrow {
  margin-bottom:var(--space-sm);
  color:var(--color-muted);
  font-size:.8rem; font-weight:600;
  letter-spacing:.1em; text-transform:uppercase;
}
h1,h2,h3 { line-height:1.05; letter-spacing:-.045em; }
h1 { max-width:830px; font-size:clamp(2.6rem, 10vw, 6.25rem); }
h2 { margin-bottom:clamp(2rem, 6vw, 4.5rem); font-size:clamp(2.2rem, 7vw, 4.5rem); }

.button {
  display:inline-flex; align-items:center; justify-content:center;
  gap:.8rem; min-height:52px; padding:12px 20px;
  border:1px solid transparent; border-radius:999px;
  font-weight:600;
  transition:background-color .2s, color .2s, transform .2s;
}
.button--primary { background:var(--color-accent); color:#0e0e10; }
.button--secondary { border-color:var(--color-text); }

/* ===================== HERO ===================== */
.hero { padding-top:var(--space-lg); }

.hero__grid {
  display:grid;
  grid-template-columns:auto minmax(260px, 340px);
  grid-template-areas:
    "content content"
    "person  side";
  gap:2.5rem;
  align-items:start;
}
.hero__content { grid-area:content; }

.hero__lead {
  max-width:610px;
  margin:var(--space-md) 0 var(--space-lg);
  color:var(--color-muted);
  font-size:1.125rem;
}

.hero__person {
  grid-area:person;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
}
.hero__person .portrait-placeholder {
  width:100%;
  max-width:420px;
  height:auto;
  aspect-ratio:1;
  object-fit:contain;
  display:grid; place-items:center;
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  color:var(--color-muted);
  background:linear-gradient(135deg,#24242b,#141418);
  font-size:.76rem;
}
.hero__name {
  margin:0.75rem 0 0;
  align-self:flex-start;
  text-align:left;
  font-weight:600; font-size:1.125rem;
}

.hero__side {
  grid-area:side;
  display:flex; flex-direction:column;
  gap:1.5rem;
}
.hero__side .facts {
  display:flex; flex-direction:column;
  gap:1rem; margin:0; padding:0;
  list-style:none; color:var(--color-muted);
}
.hero__side .facts li { line-height:1.3; font-size:.95rem; }
.hero__side .facts strong {
  display:block; color:var(--color-text);
  font-size:1.6rem; line-height:1.1;
}
.hero__cta { align-self:flex-start; }

/* ===================== SKILLS ===================== */
.skills-list {
  display:grid; padding:0;
  border-top:1px solid var(--color-border);
  list-style:none;
}
.skills-list li {
  display:grid; grid-template-columns:48px 1fr;
  gap:var(--space-sm); padding:var(--space-md) 0;
  border-bottom:1px solid var(--color-border);
}
.skill-number { color:var(--color-muted); font-size:.8rem; }
.skills-list h3 { margin-bottom:6px; font-size:1.45rem; }
.skills-list p, .about p { color:var(--color-muted); }

/* ===================== PROJECTS ===================== */
.projects { background:var(--color-surface); }
.project-list { border-top:1px solid var(--color-border); }
.project { border-bottom:1px solid var(--color-border); overflow:hidden; }

.project summary {
  display:grid;
  grid-template-columns:34px minmax(0,1fr) 24px;
  align-items:center; gap:12px;
  min-height:76px; cursor:pointer; list-style:none;
}
.project summary::-webkit-details-marker { display:none; }

.project-icon {
  display:grid; width:28px; height:28px; place-items:center;
  border:1px solid currentColor; border-radius:50%;
  color:var(--project-accent); font-size:0;
}
.project-icon svg { width:16px; height:16px; }
.project-icon:not(:has(svg)) {
  background:currentColor;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.5v17M3.5 12h17M5.99 5.99l12.02 12.02M18.01 5.99 5.99 18.01' fill='none' stroke='black' stroke-linecap='round' stroke-width='1.5'/%3E%3Ccircle cx='12' cy='12' r='3.25' fill='none' stroke='black' stroke-width='1.5'/%3E%3C/svg%3E") center/16px 16px no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.5v17M3.5 12h17M5.99 5.99l12.02 12.02M18.01 5.99 5.99 18.01' fill='none' stroke='black' stroke-linecap='round' stroke-width='1.5'/%3E%3Ccircle cx='12' cy='12' r='3.25' fill='none' stroke='black' stroke-width='1.5'/%3E%3C/svg%3E") center/16px 16px no-repeat;
}
.project-title { font-size:1.2rem; font-weight:600; letter-spacing:-.025em; min-width:0; }
.project-description, .project-result {
  display:none; color:var(--color-muted); font-size:.9rem; min-width:0;
}

.chevron {
  width:10px; height:10px;
  border-right:1.5px solid var(--color-muted);
  border-bottom:1.5px solid var(--color-muted);
  transform:rotate(45deg) translateY(-3px);
  transition:transform .2s;
}
.project[open] { background:color-mix(in srgb, var(--project-accent) 5%, transparent); }
.project[open] summary { color:var(--project-accent); }
.project[open] .chevron { transform:rotate(225deg) translateY(-2px); }

/* тело раскрытого проекта — всё слева, ничего не обрезается */
.project__body {
  display:flex; flex-direction:column;
  align-items:flex-start;
  gap:var(--space-md);
  padding:0 var(--space-md) var(--space-lg) 46px;
  min-width:0;
}
.project__body * { min-width:0; max-width:100%; }
.project__body dl {
  display:grid; gap:var(--space-sm); width:100%;
}
.project__body dl div { display:grid; gap:4px; }
dt {
  color:var(--color-muted); font-size:.78rem;
  text-transform:uppercase; letter-spacing:.09em;
}
dd { margin:0; }

.tags {
  display:flex; flex-wrap:wrap;
  justify-content:flex-start;
  gap:8px; width:100%; padding:0;
}
.tags span {
  padding:5px 9px;
  border:1px solid var(--color-border);
  border-radius:999px;
  color:var(--color-muted); font-size:.75rem;
  white-space:nowrap;
}
.text-link {
  display:block; width:100%; max-width:none;
  margin-top:1rem;
  color:var(--project-accent); font-weight:600;
  line-height:1.4;
  white-space:normal; overflow:visible; text-overflow:clip;
}

/* ===================== PROCESS ===================== */
.process-list {
  display:grid; margin-bottom:var(--space-lg);
  padding:0; list-style:none; counter-reset:steps;
}
.process-list li {
  display:grid; grid-template-columns:44px 1fr;
  align-items:center; min-height:68px;
  border-top:1px solid var(--color-border);
  font-size:1.125rem; font-weight:500;
}
.process-list li:last-child { border-bottom:1px solid var(--color-border); }
.process-list span { color:var(--color-muted); font-size:.8rem; }
.price { margin-bottom:var(--space-md); color:var(--color-muted); }
.price strong { color:var(--color-text); }

/* ===================== ABOUT ===================== */
.about__grid {
  display:grid;
  grid-template-columns:minmax(340px, 460px) 1fr;
  gap:2.5rem;
  align-items:start;
  justify-items:start;
}
.about__photo {
  order:-1;
  width:100%; max-width:460px;
  height:auto; aspect-ratio:4/3;
  object-fit:contain;
  border-radius:16px;
  display:block;
}
.about p { max-width:600px; margin-bottom:var(--space-md); }
.socials {
  display:flex; flex-wrap:wrap;
  gap:var(--space-md); margin-top:var(--space-lg);
  font-weight:600;
}
.socials a { border-bottom:1px solid var(--color-text); }

/* ===================== FOOTER ===================== */
.footer { padding-top:0; }
.footer .container {
  padding-top:var(--space-xl);
  border-top:1px solid var(--color-border);
}
.footer h2 { max-width:680px; }
.footer__bottom {
  display:flex; flex-direction:column; gap:8px;
  margin-top:var(--space-xl);
  color:var(--color-muted); font-size:.9rem;
}
.footer__bottom a { color:var(--color-text); }

.svg-sprite { position:absolute; width:0; height:0; overflow:hidden; }

/* ===================== ADAPTIVE ===================== */
@media (min-width:640px) {
  body { font-size:17px; }
  .container { padding-inline:var(--space-lg); }

  .skills-list { grid-template-columns:1fr 1fr; }
  .skills-list li:nth-child(odd) {
    padding-right:var(--space-lg);
    border-right:1px solid var(--color-border);
  }
  .skills-list li:nth-child(even) { padding-left:var(--space-lg); }

  .project summary {
    grid-template-columns:42px minmax(160px,1.1fr) minmax(0,1.7fr) minmax(110px,.7fr) 24px;
    gap:16px;
  }
  .project-description, .project-result { display:block; }
  .project-result { text-align:right; }
  .project__body { padding-left:58px; }

  .process-list { grid-template-columns:1fr 1fr; }
  .process-list li:nth-child(odd) {
    border-right:1px solid var(--color-border);
    padding-right:var(--space-md);
  }
  .process-list li:nth-child(even) { padding-left:var(--space-md); }
  .process-list li:nth-last-child(-n+2) { border-bottom:1px solid var(--color-border); }

  .footer__bottom { flex-direction:row; justify-content:space-between; }
}

@media (min-width:1024px) {
  .section { padding-block:var(--space-2xl); }
  .hero { min-height:100vh; display:grid; align-items:center; padding-block:var(--space-lg); }
  .project summary { min-height:84px; }
  .project-title { font-size:1.38rem; }
  .project__body dl {
    grid-template-columns:repeat(3,1fr);
    gap:var(--space-lg);
  }
}

/* мобильный: всё в одну колонку */
@media (max-width:900px) {
  .hero__grid {
    grid-template-columns:1fr;
    grid-template-areas:
      "content"
      "person"
      "side";
  }
  .hero__person .portrait-placeholder { max-width:100%; }
  .about__grid { grid-template-columns:1fr; }
  .about__photo { order:-1; max-width:100%; }
}

@media (hover:hover) {
  .button:hover { transform:translateY(-2px); }
  .button--primary:hover { background:#e0ff94; }
  .button--secondary:hover {
    border-color:var(--color-accent);
    background:var(--color-accent);
    color:var(--color-bg);
  }
  .project summary:hover { color:var(--project-accent); }
  .text-link:hover, .socials a:hover { opacity:.7; }
}

@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after {
    scroll-behavior:auto !important;
    transition:none !important;
  }
}

.lang-switch {
  position:fixed; top:16px; right:16px; z-index:100;
  display:inline-flex; gap:4px;
  border:1px solid var(--color-border);
  border-radius:999px; padding:4px;
  background:color-mix(in srgb, var(--color-bg) 80%, transparent);
  backdrop-filter:blur(6px);
}
.lang-switch button {
  padding:6px 14px; border:none; background:none;
  color:var(--color-muted); border-radius:999px;
  cursor:pointer; font-weight:600; transition:.2s;
}
.lang-switch button.is-active {
  background:var(--color-accent); color:var(--color-bg);
}