/* ============================================================
   Портфолио — базовые стили
   ============================================================ */

:root{
  --text:            #37352f;
  --text-secondary:  rgba(55,53,47,.65);
  --text-tertiary:   rgba(55,53,47,.45);
  --bg:              #ffffff;
  --bg-soft:         #faf9f7;
  --border:          rgba(55,53,47,.10);
  --accent:          #2b6cb0;
  --accent-soft:     #e5f2fc;
  --radius:          14px;
  --radius-sm:       8px;
  --max-w:           880px;
  --gap:             28px;
  --shadow:          0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.05);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
          Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
}

*{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}

img{ max-width:100%; height:auto; display:block; }

a{ color:var(--accent); text-decoration:none; }
a:hover{ text-decoration:underline; }

/* ---------- header / nav ---------- */

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}

.nav{
  max-width:1080px;
  margin:0 auto;
  padding:14px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.nav__brand{
  font-weight:700;
  font-size:16px;
  color:var(--text);
  letter-spacing:-.01em;
}
.nav__brand:hover{ text-decoration:none; opacity:.75; }

.nav__links{
  display:flex;
  gap:6px;
  list-style:none;
  margin:0;
  padding:0;
}

.nav__links a{
  display:inline-block;
  padding:8px 14px;
  border-radius:999px;
  color:var(--text-secondary);
  font-size:14px;
  font-weight:500;
  transition:background .15s ease, color .15s ease;
  white-space:nowrap;
}
.nav__links a:hover{
  background:var(--bg-soft);
  color:var(--text);
  text-decoration:none;
}
.nav__links a.is-active{
  background:var(--accent-soft);
  color:var(--accent);
}

.nav__toggle{
  display:none;
  width:40px;
  height:40px;
  border:none;
  background:none;
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after{
  content:"";
  display:block;
  width:20px;
  height:2px;
  background:var(--text);
  position:relative;
  transition:transform .2s ease, opacity .2s ease;
}
.nav__toggle span::before{ position:absolute; top:-6px; }
.nav__toggle span::after{ position:absolute; top:6px; }

/* ---------- layout ---------- */

.page{
  max-width:var(--max-w);
  margin:0 auto;
  padding:40px 24px 90px;
}

.page-body{
  font-size:16px;
}

.page-body > *:first-child{ margin-top:0; }

.page-body h1,
.page-body h2,
.page-body h3,
.page-body h4{
  letter-spacing:-.01em;
  line-height:1.25;
  font-weight:700;
  margin:2em 0 .6em;
  scroll-margin-top:90px;
}
.page-body h1{ font-size:1.9rem; }
.page-body h2{ font-size:1.55rem; }
.page-body h3{ font-size:1.3rem; }
.page-body h4{ font-size:1.1rem; }

.page-body p{ margin:.75em 0; color:var(--text); }

.page-body ul{ padding-left:1.3em; margin:.6em 0; }
.page-body li{ margin:.35em 0; }

.page-body blockquote{
  margin:1.3em 0;
  padding:14px 18px;
  border-left:3px solid var(--accent);
  background:var(--bg-soft);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-secondary);
}

.page-body mark{ background:transparent; padding:0; }

/* column layout blocks straight out of the Notion export */
.column-list{
  display:flex;
  gap:24px;
  align-items:flex-start;
  margin:1.2em 0;
}
.column{ min-width:0; }
.column > *:first-child{ margin-top:0; }

/* images / figures */
.page-body figure{
  margin:1.3em 0;
  text-align:center;
}
.page-body figure.image{
  text-align:left;
}
.page-body figure img{
  border-radius:var(--radius-sm);
  width:100%;
  height:auto;
  box-shadow:var(--shadow);
}
.page-body figure a{ display:block; }

/* link-to-page card (used for case links inside intro) */
.link-to-page{
  margin:1.4em 0 !important;
  box-shadow:none !important;
}
/* higher specificity than ".page-body figure a{ display:block }" on purpose,
   so the flex layout below actually wins and icon + title + CTA stay in one row */
.page-body .link-to-page a{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 18px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--bg-soft);
  color:var(--text);
  font-weight:600;
  transition:border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.page-body .link-to-page a:hover{
  text-decoration:none;
  border-color:var(--accent);
  box-shadow:var(--shadow);
  transform:translateY(-1px);
}
.link-to-page img.icon{
  width:28px;
  height:28px;
  border-radius:6px;
  object-fit:cover;
  flex:none;
}
.link-to-page__title{
  flex:1 1 auto;
  min-width:0;
}
.link-to-page__cta{
  flex:none;
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:5px 12px;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:12.5px;
  font-weight:600;
  white-space:nowrap;
}
.link-to-page__cta svg{
  width:10px;
  height:10px;
  flex:none;
}

/* highlighted colored text/backgrounds from Notion */
[class*="_background"]{ padding:.05em .3em; border-radius:4px; }

/* ---------- hero intro row (photo + text) ---------- */
/* first two lines stay close together (natural spacing); only the
   last paragraph gets pushed down so it ends level with the photo's bottom edge */
.hero-columns{ align-items:stretch; }
.hero-text-col{
  display:flex;
  flex-direction:column;
}
.hero-text-col > *:last-child{ margin-top:auto; padding-top:1em; }

/* ---------- "Инструменты" image on a transparent background ---------- */
.tools-figure{ margin:1.5em 0; }
.page-body .tools-figure img{
  box-shadow:none;
  border-radius:0;
  background:transparent;
  max-width:520px;
}

/* ---------- soft skills chips ---------- */
.skills{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 8px;
  margin:1.2em 0 1.6em;
}
.skills__label{
  font-weight:700;
  margin-right:2px;
}
.skills__list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  list-style:none;
  margin:0;
  padding:0;
}
.skills__list li{
  margin:0;
  padding:6px 14px;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:13.5px;
  font-weight:600;
  white-space:nowrap;
}

/* ---------- achievements ---------- */
.achievements p strong{ font-size:1.02rem; }

/* ---------- contact block ---------- */
.contact{
  margin-top:2.4em;
  padding-top:2em;
  border-top:1px solid var(--border);
}
.contact h2{ margin-top:0; }
.contact-list{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:.8em;
}
.contact-item{
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 18px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--bg-soft);
  color:var(--text);
  transition:border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.contact-item:hover{
  text-decoration:none;
  border-color:var(--accent);
  box-shadow:var(--shadow);
  transform:translateY(-1px);
}
.contact-item__label{
  display:block;
  font-size:11.5px;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:var(--text-tertiary);
  margin-bottom:2px;
}
.contact-item__value{
  display:block;
  font-weight:700;
  color:var(--accent);
}

/* ---------- hero (index only) ---------- */

.hero{
  display:flex;
  gap:var(--gap);
  align-items:center;
  margin-bottom:8px;
}
.hero__photo{
  flex:0 0 200px;
  width:200px;
}
.hero__photo img{
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.hero__text h1{
  margin:0 0 .3em;
  font-size:1.7rem;
}

/* ---------- case preview cards on homepage ---------- */

.case-card{
  display:block;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px 24px;
  margin:1.1em 0;
  transition:border-color .15s ease, box-shadow .15s ease, transform .15s ease;
  color:var(--text);
}
.case-card:hover{
  text-decoration:none;
  border-color:var(--accent);
  box-shadow:var(--shadow);
  transform:translateY(-2px);
}
.case-card__eyebrow{
  font-size:12.5px;
  color:var(--text-tertiary);
  text-transform:uppercase;
  letter-spacing:.06em;
  margin-bottom:6px;
}
.case-card__title{
  font-size:1.15rem;
  font-weight:700;
  margin:0 0 6px;
}
.case-card__desc{
  color:var(--text-secondary);
  font-size:14.5px;
  margin:0 0 10px;
}
.case-card__cta{
  font-size:14px;
  font-weight:600;
  color:var(--accent);
}

/* ---------- footer ---------- */

.site-footer{
  border-top:1px solid var(--border);
  padding:28px 24px 60px;
  text-align:center;
  color:var(--text-tertiary);
  font-size:13px;
}

/* ---------- case page nav (prev/next) ---------- */

.case-pager{
  display:flex;
  justify-content:space-between;
  gap:16px;
  margin-top:3em;
  padding-top:1.6em;
  border-top:1px solid var(--border);
}
.case-pager a{
  flex:1;
  padding:14px 18px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  color:var(--text);
  font-size:14px;
}
.case-pager a:hover{ text-decoration:none; border-color:var(--accent); }
.case-pager__label{
  display:block;
  font-size:11.5px;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:var(--text-tertiary);
  margin-bottom:4px;
}
.case-pager__next{ text-align:right; }

/* ============================================================
   Адаптивная (мобильная) версия
   ============================================================ */

@media (max-width: 860px){
  .nav{ padding:12px 18px; }
  .nav__links{
    position:fixed;
    top:57px;
    left:0;
    right:0;
    bottom:0;
    background:var(--bg);
    flex-direction:column;
    align-items:stretch;
    padding:14px 18px;
    gap:2px;
    transform:translateX(100%);
    transition:transform .22s ease;
    overflow-y:auto;
  }
  .nav__links.is-open{ transform:translateX(0); }
  .nav__links a{
    padding:14px 12px;
    border-radius:10px;
    font-size:16px;
    border-bottom:1px solid var(--border);
  }
  .nav__toggle{ display:flex; }
  .nav__toggle.is-open span{ background:transparent; }
  .nav__toggle.is-open span::before{ top:0; transform:rotate(45deg); }
  .nav__toggle.is-open span::after{ top:0; transform:rotate(-45deg); }

  .page{ padding:28px 18px 70px; }

  .hero{ flex-direction:column; text-align:center; }
  .hero__photo{ width:150px; flex-basis:150px; margin:0 auto; }

  .column-list{ flex-direction:column; gap:14px; }
  .column{ width:100% !important; }
  .hero-text-col > *:last-child{ margin-top:0; padding-top:0; }

  .contact-item{ flex:1 1 100%; }

  .page-body h1{ font-size:1.5rem; }
  .page-body h2{ font-size:1.3rem; }
  .page-body h3{ font-size:1.15rem; }
  .page-body h4{ font-size:1.05rem; }

  .case-pager{ flex-direction:column; }
  .case-pager__next{ text-align:left; }
}

@media (max-width: 420px){
  body{ font-size:15px; }
  .page{ padding:22px 14px 60px; }
}