/* ───────────────────────────────────────────────────────────────────
   Idan Zipris — site styles (Direction C · Swiss)
   Deep cool-ink bg, Helvetica body, JetBrains Mono for labels & numerics.
   ─────────────────────────────────────────────────────────────────── */

:root {
  --bg:      #0d0f12;
  --bg-2:    #11151a;
  --fg:      #e9ebee;
  --fg-soft: #c1c5cb;
  --dim:     #7a818a;
  --dim-2:   #565b62;
  --rule:    #1c2026;
  --accent:  oklch(0.78 0.10 235); /* cool ice blue */

  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --pad-x: clamp(24px, 5vw, 80px);
  --max-w: 1280px;
}

/* Light theme — same hierarchy, inverted lightness, accent darkened for contrast */
:root[data-theme="light"] {
  --bg:      #f5f6f8;
  --bg-2:    #eaecf0;
  --fg:      #14171c;
  --fg-soft: #3c424b;
  --dim:     #6b727b;
  --dim-2:   #9097a0;
  --rule:    #d8dce0;
  --accent:  oklch(0.52 0.13 245);
}

html { color-scheme: dark; }
html[data-theme="light"] { color-scheme: light; }
html, body {
  transition: background-color .2s ease, color .2s ease;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); }

body {
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; transition: color .12s ease; }
a:hover { color: var(--accent); }

::selection { background: var(--accent); color: var(--bg); }

/* ── Layout shell ───────────────────────────────────────────────── */

.site {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 32px var(--pad-x) 48px;
}

/* ── Site header ────────────────────────────────────────────────── */

.site-header {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 24px;
  align-items: center;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule);
}

.site-header .brand,
.site-header .meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.site-header .brand { color: var(--fg); }
.site-header .meta  {
  color: var(--dim);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
}
.site-header .meta-text { white-space: nowrap; }

/* Theme toggle button (injected by theme.js into .meta) */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 10px;
  cursor: pointer;
  border-radius: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  line-height: 1;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.theme-toggle .tg-icon {
  font-size: 13px;
  line-height: 1;
  position: relative;
  top: -0.5px;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 32px;
}
.site-nav a {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
.site-nav a:hover { color: var(--fg); }
.site-nav a[aria-current="page"] {
  color: var(--fg);
  border-bottom-color: var(--accent);
}

/* ── Section row layout ─────────────────────────────────────────── */

.section {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 32px;
  padding: 48px 0;
  border-bottom: 1px solid var(--rule);
}
.section-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
  padding-top: 6px;
}
.section-body { min-width: 0; }

.section-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
  margin: 0 0 16px;
}

/* ── Typography ─────────────────────────────────────────────────── */

h1, h2, h3, h4 { margin: 0; font-weight: 500; letter-spacing: -0.01em; }

.display {
  font-size: clamp(44px, 7vw, 72px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.95;
  color: var(--fg);
}
.deck {
  font-size: clamp(16px, 2vw, 18px);
  color: var(--dim);
  margin-top: 18px;
  font-weight: 400;
}
.deck .ink { color: var(--accent); }

p { margin: 0 0 16px; }
.body-text {
  font-size: 16px;
  color: var(--fg-soft);
  line-height: 1.6;
  max-width: 64ch;
}

/* ── Hero meta strip (key/value, mono, all-caps) ────────────────── */

.meta-strip {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
}
.meta-strip .k { color: var(--dim); margin-right: 6px; }
.meta-strip .v { color: var(--fg); }
.meta-strip .accent { color: var(--accent); }

/* ── Index rows (used by post lists, contact links, etc.) ───────── */

.row-list { margin: 0; padding: 0; list-style: none; }
.row {
  display: grid;
  grid-template-columns: 48px 1fr 88px;
  gap: 24px;
  padding: 14px 0;
  border-top: 1px solid var(--rule);
  align-items: baseline;
}
.row-list .row:last-child { border-bottom: 1px solid var(--rule); }
.row-idx {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.04em;
}
.row-title {
  font-size: 15.5px;
  color: var(--fg);
  letter-spacing: -0.005em;
  transition: color .12s ease;
}
.row:hover .row-title { color: var(--accent); }
.row-date {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.05em;
  text-align: right;
  white-space: nowrap;
}
.row-link { display: contents; }

/* ── More-link ─────────────────────────────────────────────────── */

.more {
  display: inline-block;
  margin-top: 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ── Services grid (advising) ───────────────────────────────────── */

.services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 8px;
}
.service {
  padding: 20px 24px 20px 0;
  border-top: 1px solid var(--rule);
}
.service .num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.service .title {
  font-size: 15.5px;
  color: var(--fg);
  margin-bottom: 6px;
  letter-spacing: -0.005em;
}
.service .dek {
  font-size: 13px;
  color: var(--dim);
  line-height: 1.5;
}

/* ── Contact grid ──────────────────────────────────────────────── */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 720px;
}
.contact-cell {
  padding: 20px 0;
  border-top: 1px solid var(--rule);
}
.contact-cell .k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 8px;
}
.contact-cell .v {
  font-size: 16px;
  color: var(--fg);
  letter-spacing: -0.005em;
}

/* ── Footer ─────────────────────────────────────────────────────── */

.site-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.site-footer .mid { text-align: center; }
.site-footer .end { text-align: right; }
.site-footer a:hover { color: var(--accent); }

/* ── Form (contact page) ───────────────────────────────────────── */

.form {
  display: grid;
  gap: 32px;
  max-width: 640px;
}
.form .field { display: grid; gap: 8px; }
.form label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--dim);
}
.form input,
.form select,
.form textarea {
  background: transparent;
  color: var(--fg);
  border: none;
  border-bottom: 1px solid var(--rule);
  padding: 10px 0;
  font-family: var(--sans);
  font-size: 16px;
  letter-spacing: -0.005em;
  outline: none;
  transition: border-color .15s ease;
  width: 100%;
  border-radius: 0;
}
.form input:focus,
.form select:focus,
.form textarea:focus {
  border-bottom-color: var(--accent);
}
.form textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.5;
}
.form select {
  appearance: none;
  -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--dim) 50%),
                    linear-gradient(135deg, var(--dim) 50%, transparent 50%);
  background-position: calc(100% - 14px) 50%, calc(100% - 9px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 28px;
}
.form select option { background: var(--bg); color: var(--fg); }
.form .form-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 8px;
}
.btn {
  display: inline-block;
  padding: 12px 24px;
  background: var(--fg);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background .12s ease, color .12s ease;
}
.btn:hover { background: var(--accent); color: var(--bg); }
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--rule);
  padding: 11px 23px;
}
.btn-ghost:hover { border-color: var(--accent); background: transparent; color: var(--accent); }
.form-note {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.04em;
}

/* ── Article (blog post) ───────────────────────────────────────── */

.article {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 0 0;
}
.article-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.article-meta .accent { color: var(--accent); }

.article-title {
  font-size: clamp(34px, 5vw, 48px);
  letter-spacing: -0.025em;
  line-height: 1.05;
  font-weight: 500;
  margin-bottom: 24px;
}
.article-lede {
  font-size: 20px;
  color: var(--fg-soft);
  line-height: 1.5;
  margin-bottom: 48px;
  letter-spacing: -0.005em;
  max-width: 60ch;
}
.article-body {
  font-size: 17px;
  line-height: 1.65;
  color: var(--fg-soft);
}
.article-body p { margin: 0 0 24px; }
.article-body h2 {
  font-size: 22px;
  color: var(--fg);
  margin: 48px 0 16px;
  letter-spacing: -0.01em;
}
.article-body h3 {
  font-size: 17px;
  color: var(--fg);
  margin: 32px 0 12px;
  letter-spacing: -0.005em;
}
.article-body blockquote {
  margin: 32px 0;
  padding: 0 0 0 20px;
  border-left: 2px solid var(--accent);
  color: var(--fg);
  font-style: italic;
}
.article-body pre {
  background: var(--bg-2);
  border: 1px solid var(--rule);
  padding: 20px 24px;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.55;
  overflow-x: auto;
  color: var(--fg);
  margin: 24px 0;
}
.article-body code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--bg-2);
  border: 1px solid var(--rule);
  padding: 1px 5px;
  border-radius: 2px;
  color: var(--fg);
}
.article-body pre code {
  background: transparent;
  border: none;
  padding: 0;
}
.article-body a {
  color: var(--accent);
  border-bottom: 1px solid color-mix(in oklch, var(--accent) 30%, transparent);
}
.article-body a:hover { border-bottom-color: var(--accent); }
.article-body ul, .article-body ol {
  padding-left: 24px;
  margin: 0 0 24px;
}
.article-body li { margin: 0 0 8px; }
.article-body hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 48px 0;
}

.article-foot {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── Year heading on the blog index ────────────────────────────── */

.year-head {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 40px 0 12px;
}
.year-head:first-child { margin-top: 0; }

/* ── Now-list (on About / Now page) ────────────────────────────── */

.now-list { margin: 0; padding: 0; list-style: none; }
.now-list li {
  padding: 14px 0;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 24px;
  align-items: baseline;
}
.now-list li:last-child { border-bottom: 1px solid var(--rule); }
.now-list .k {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.now-list .v { color: var(--fg-soft); font-size: 15.5px; }

/* ── Responsive ────────────────────────────────────────────────── */

@media (max-width: 720px) {
  .site-header {
    grid-template-columns: 1fr;
    gap: 16px;
    text-align: left;
  }
  .site-header .meta { text-align: left; }
  .site-nav { justify-content: flex-start; flex-wrap: wrap; gap: 20px; }
  .section { grid-template-columns: 1fr; gap: 16px; padding: 36px 0; }
  .section-num { padding-top: 0; }
  .services { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 0; }
  .site-footer { grid-template-columns: 1fr; gap: 8px; }
  .site-footer .mid, .site-footer .end { text-align: left; }
  .row { grid-template-columns: 28px 1fr; }
  .row-date { grid-column: 2; text-align: left; padding-top: 4px; }
  .now-list li { grid-template-columns: 1fr; gap: 4px; }
}