/* Портфолио datacraft_dev - общие стили */
:root {
  --bg: #f7f8fb;
  --bg-alt: #ffffff;
  --text: #1a1d29;
  --text-muted: #565c6e;
  --border: #e3e6ee;
  --accent: #3457d5;
  --accent-hover: #2743ad;
  --accent-soft: #e9edfc;
  --code-bg: #eef0f6;
  --shadow: 0 2px 10px rgba(20, 24, 40, 0.06);
  --radius: 14px;
  --maxw: 1100px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12141c;
    --bg-alt: #191c28;
    --text: #eef0f7;
    --text-muted: #a7acc0;
    --border: #2a2e40;
    --accent: #7c96ff;
    --accent-hover: #9db0ff;
    --accent-soft: #232847;
    --code-bg: #1e2233;
    --shadow: 0 2px 14px rgba(0, 0, 0, 0.35);
  }
}

:root[data-theme="dark"] {
  --bg: #12141c;
  --bg-alt: #191c28;
  --text: #eef0f7;
  --text-muted: #a7acc0;
  --border: #2a2e40;
  --accent: #7c96ff;
  --accent-hover: #9db0ff;
  --accent-soft: #232847;
  --code-bg: #1e2233;
  --shadow: 0 2px 14px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 16px;
}
.brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand:hover { text-decoration: none; color: var(--text); }
.brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); display: inline-block; }
.nav-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.nav-links a { color: var(--text-muted); font-size: 0.94rem; white-space: nowrap; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { background: var(--accent-hover); color: #fff; text-decoration: none; }
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}
.btn-outline:hover { background: var(--accent-soft); color: var(--accent); }
.btn-sm { padding: 8px 16px; font-size: 0.88rem; }

/* Hero */
.hero {
  padding: 64px 0 48px;
}
.hero h1 {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  margin: 0 0 14px;
  line-height: 1.2;
}
.hero .lead {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 0 28px;
}
.hero .cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero .cta-note { color: var(--text-muted); font-size: 0.88rem; }

section { padding: 40px 0; }
section h2 {
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  margin: 0 0 8px;
}
.section-sub { color: var(--text-muted); margin: 0 0 28px; max-width: 680px; }

/* Card grids */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}
.card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--text-muted); font-size: 0.93rem; }
.card .icon { font-size: 1.5rem; margin-bottom: 10px; display: block; }

/* Case cards */
.case-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.case-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.case-card h3 { margin: 0; font-size: 1.1rem; }
.case-card .tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 2px 0 4px; }
.tag {
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}
.case-card p { margin: 0; color: var(--text-muted); font-size: 0.92rem; flex-grow: 1; }
.case-card .case-links { display: flex; gap: 14px; margin-top: 6px; font-size: 0.9rem; flex-wrap: wrap; }
.status-badge {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Apps */
.app-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.app-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.app-card > img { width: 56px; height: 56px; border-radius: 14px; flex-shrink: 0; object-fit: cover; }
.app-card h3 { margin: 0 0 4px; font-size: 1rem; }
.app-card p { margin: 0 0 8px; color: var(--text-muted); font-size: 0.86rem; }
.app-card .app-links { display: flex; gap: 12px; font-size: 0.85rem; flex-wrap: wrap; }
.app-status { color: var(--text-muted); font-size: 0.8rem; font-style: italic; margin: -4px 0 8px; }

.case-gallery { display: flex; gap: 12px; flex-wrap: wrap; }
.case-gallery img { width: 160px; height: auto; border-radius: 10px; border: 1px solid var(--border); }
.case-thumb { width: 100%; height: auto; max-height: 160px; object-fit: cover; border-radius: 10px; margin-bottom: 12px; }

/* Process */
.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.process-list li {
  counter-increment: step;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.process-list li::before {
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 10px;
}
.process-list h3 { margin: 0 0 6px; font-size: 1rem; }
.process-list p { margin: 0; color: var(--text-muted); font-size: 0.88rem; }
.guarantee-note {
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--accent-soft);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.92rem;
}

/* Stack */
.stack-row { display: flex; flex-wrap: wrap; gap: 10px; }
.stack-pill {
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--text);
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding: 32px 0 40px;
  color: var(--text-muted);
  font-size: 0.9rem;
}
footer .foot-links { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 14px; }
footer .foot-links a { color: var(--text); }
footer .policy-links { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 14px; font-size: 0.85rem; }
footer .fineprint { font-size: 0.8rem; opacity: 0.8; }

/* Case detail page */
.case-hero { padding: 36px 0 12px; }
.case-hero .tag-row { margin-bottom: 14px; }
.case-hero h1 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); margin: 0 0 10px; }
.back-link { display: inline-block; margin-bottom: 18px; font-size: 0.9rem; }
.case-block { margin-bottom: 30px; }
.case-block h2 { font-size: 1.2rem; margin: 0 0 10px; }
.case-block ul { padding-left: 20px; color: var(--text-muted); }
.case-block li { margin-bottom: 6px; }
.case-block p { color: var(--text-muted); }
.honest-note {
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 0.92rem;
}

@media (max-width: 640px) {
  .site-header .wrap { flex-wrap: wrap; }
  .nav-links { order: 3; width: 100%; padding-top: 8px; gap: 12px; }
  .hero { padding: 40px 0 32px; }
}