/* Portfolio system shared by the homepage and case-study pages. */
:root {
  --portfolio-bg: #f4f7fc;
  --portfolio-ink: #0f172a;
  --portfolio-muted: #5a6e8a;
  --portfolio-line: rgba(46, 87, 208, .13);
  --portfolio-primary: #2e57d0;
  --portfolio-green: #0aa87a;
  --portfolio-radius: 24px;
  --portfolio-ease: .35s cubic-bezier(.25, .46, .45, .94);
}

.portfolio-section {
  padding: 88px 0;
  background: var(--portfolio-bg);
  overflow: hidden;
}

.portfolio-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
  gap: 56px;
  align-items: end;
  margin-bottom: 38px;
}

.portfolio-heading .section-sub { margin-bottom: 4px; }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.portfolio-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 292px;
  padding: 24px 22px 20px;
  border: 1px solid var(--portfolio-line);
  border-radius: var(--portfolio-radius);
  background: #fff;
  box-shadow: 0 7px 24px rgba(30, 61, 168, .055);
  overflow: hidden;
  transition: transform var(--portfolio-ease), box-shadow var(--portfolio-ease), border-color var(--portfolio-ease);
}

.portfolio-card::after {
  content: "";
  position: absolute;
  width: 150px;
  height: 150px;
  left: -66px;
  bottom: -80px;
  border-radius: 50%;
  background: var(--project-soft, #eef2ff);
  pointer-events: none;
}

.portfolio-card:hover {
  transform: translateY(-7px);
  border-color: color-mix(in srgb, var(--project-color, var(--portfolio-primary)) 38%, white);
  box-shadow: 0 18px 42px rgba(30, 61, 168, .13);
}

.portfolio-card-wide { grid-column: span 2; }

.portfolio-card-top,
.portfolio-card-actions,
.tech-row { display: flex; align-items: center; }

.portfolio-card-top { justify-content: space-between; gap: 12px; margin-bottom: 18px; }

.project-mark {
  width: 50px;
  height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--project-color, var(--portfolio-primary)), color-mix(in srgb, var(--project-color, var(--portfolio-primary)) 65%, #111827));
  font-size: 1.5rem;
  font-weight: 900;
  box-shadow: 0 9px 20px color-mix(in srgb, var(--project-color, var(--portfolio-primary)) 25%, transparent);
}

.project-type {
  padding: 5px 11px;
  border: 1px solid color-mix(in srgb, var(--project-color, var(--portfolio-primary)) 22%, white);
  border-radius: 999px;
  background: var(--project-soft, #eef2ff);
  color: var(--project-color, var(--portfolio-primary));
  font-size: .7rem;
  font-weight: 800;
}

.portfolio-card h3 { position: relative; z-index: 1; margin-bottom: 8px; color: var(--portfolio-ink); font-size: 1.16rem; }
.portfolio-card p { position: relative; z-index: 1; margin-bottom: 17px; color: var(--portfolio-muted); font-size: .82rem; line-height: 2; }

.tech-row { position: relative; z-index: 1; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.tech-row span { padding: 4px 8px; border-radius: 7px; background: #f5f7fb; color: #50627b; font-size: .66rem; font-weight: 800; }

.portfolio-card-actions { position: relative; z-index: 1; justify-content: space-between; gap: 10px; margin-top: 19px; padding-top: 15px; border-top: 1px solid rgba(46, 87, 208, .09); }
.portfolio-link { color: var(--project-color, var(--portfolio-primary)); font-size: .78rem; font-weight: 900; text-decoration: none; }
.portfolio-live { color: var(--portfolio-muted); font-size: .72rem; font-weight: 700; text-decoration: none; }
.portfolio-link:hover, .portfolio-live:hover { color: var(--portfolio-primary); }

.portfolio-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 26px;
  padding: 19px 22px;
  border: 1px solid rgba(46, 87, 208, .11);
  border-radius: 18px;
  background: linear-gradient(110deg, rgba(46, 87, 208, .07), rgba(10, 168, 122, .07));
  color: var(--portfolio-ink);
  font-size: .86rem;
  font-weight: 800;
}

.portfolio-cta .btn { white-space: nowrap; }

/* Case-study pages */
.project-page {
  min-height: 100vh;
  margin: 0;
  background: var(--portfolio-bg);
  color: var(--portfolio-ink);
  font-family: Tahoma, Arial, sans-serif;
  direction: rtl;
}

.project-header {
  border-bottom: 1px solid var(--portfolio-line);
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(16px);
}

.project-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 20px;
}

.project-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--portfolio-ink); font-size: .9rem; font-weight: 900; text-decoration: none; }
.project-brand img { width: 38px; height: 38px; border-radius: 12px; object-fit: contain; }
.project-nav { display: flex; align-items: center; gap: 18px; }
.project-nav a { color: var(--portfolio-muted); font-size: .78rem; font-weight: 800; text-decoration: none; }
.project-nav a:hover { color: var(--portfolio-primary); }

.project-main { padding: 56px 0 78px; }
.project-hero { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr); gap: 60px; align-items: center; }
.project-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; color: var(--project-color, var(--portfolio-primary)); font-size: .78rem; font-weight: 900; }
.project-kicker::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--project-color, var(--portfolio-primary)); box-shadow: 0 0 0 6px var(--project-soft, #eef2ff); }
.project-title { max-width: 760px; margin: 0 0 17px; color: var(--portfolio-ink); font-size: clamp(2rem, 5vw, 3.8rem); font-weight: 950; line-height: 1.2; }
.project-title span { color: var(--project-color, var(--portfolio-primary)); }
.project-lead { max-width: 650px; margin: 0 0 24px; color: var(--portfolio-muted); font-size: 1rem; line-height: 2.2; }
.project-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.project-btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; padding: 12px 20px; border-radius: 13px; font-size: .8rem; font-weight: 900; text-decoration: none; transition: var(--portfolio-ease); }
.project-btn-primary { color: #fff; background: linear-gradient(135deg, var(--project-color, var(--portfolio-primary)), color-mix(in srgb, var(--project-color, var(--portfolio-primary)) 68%, #172554)); box-shadow: 0 9px 24px color-mix(in srgb, var(--project-color, var(--portfolio-primary)) 23%, transparent); }
.project-btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 28px color-mix(in srgb, var(--project-color, var(--portfolio-primary)) 30%, transparent); }
.project-btn-ghost { border: 1px solid var(--portfolio-line); color: var(--portfolio-ink); background: #fff; }
.project-btn-ghost:hover { border-color: var(--project-color, var(--portfolio-primary)); color: var(--project-color, var(--portfolio-primary)); }

.project-visual { min-height: 390px; position: relative; display: grid; place-items: center; padding: 32px; border-radius: 34px; background: radial-gradient(circle at 25% 25%, rgba(255,255,255,.6), transparent 28%), linear-gradient(145deg, var(--project-soft, #eef2ff), #fff); overflow: hidden; }
.project-visual::before, .project-visual::after { content: ""; position: absolute; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--project-color, var(--portfolio-primary)) 18%, white); }
.project-visual::before { width: 390px; height: 390px; }
.project-visual::after { width: 270px; height: 270px; }
.project-screen { position: relative; z-index: 1; width: min(100%, 380px); padding: 13px; border: 6px solid rgba(255,255,255,.7); border-radius: 23px; background: rgba(255,255,255,.72); box-shadow: 0 22px 54px rgba(15, 23, 42, .16); transform: rotate(-3deg); }
.screen-bar { display: flex; align-items: center; gap: 5px; padding: 4px 4px 10px; }
.screen-bar i { width: 7px; height: 7px; border-radius: 50%; background: var(--project-color, var(--portfolio-primary)); opacity: .55; }
.screen-toolbar { height: 24px; margin-bottom: 11px; border-radius: 7px; background: var(--project-soft, #eef2ff); }
.screen-hero { min-height: 100px; display: flex; align-items: end; padding: 13px; border-radius: 13px; background: linear-gradient(135deg, var(--project-color, var(--portfolio-primary)), color-mix(in srgb, var(--project-color, var(--portfolio-primary)) 55%, #0f172a)); }
.screen-hero strong { max-width: 210px; color: #fff; font-size: 1rem; line-height: 1.5; }
.screen-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 10px; }
.screen-card { min-height: 74px; padding: 8px; border: 1px solid rgba(46, 87, 208, .08); border-radius: 10px; background: #fff; }
.screen-card::before { content: ""; display: block; width: 30px; height: 7px; margin-bottom: 10px; border-radius: 4px; background: var(--project-soft, #eef2ff); }
.screen-card::after { content: ""; display: block; width: 65%; height: 5px; border-radius: 4px; background: #e5eaf3; }
.floating-label { position: absolute; z-index: 2; padding: 10px 13px; border: 1px solid rgba(255,255,255,.8); border-radius: 12px; background: rgba(255,255,255,.92); box-shadow: 0 10px 24px rgba(15, 23, 42, .1); color: var(--project-color, var(--portfolio-primary)); font-size: .72rem; font-weight: 900; }
.floating-label.one { top: 19%; right: 4%; }
.floating-label.two { bottom: 17%; left: 3%; }

.project-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 40px 0 58px; }
.project-stat { padding: 18px 15px; border: 1px solid var(--portfolio-line); border-radius: 16px; background: #fff; }
.project-stat strong { display: block; margin-bottom: 4px; color: var(--project-color, var(--portfolio-primary)); font-size: 1.1rem; }
.project-stat span { color: var(--portfolio-muted); font-size: .72rem; }

.project-content { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(290px, .92fr); gap: 20px; }
.project-panel { padding: 28px; border: 1px solid var(--portfolio-line); border-radius: 22px; background: #fff; }
.project-panel h2 { margin: 0 0 13px; color: var(--portfolio-ink); font-size: 1.3rem; }
.project-panel p { margin: 0; color: var(--portfolio-muted); font-size: .86rem; line-height: 2.15; }
.tech-description { margin-bottom: 19px !important; font-size: .8rem !important; line-height: 1.95 !important; }
.tech-groups { display: grid; gap: 18px; margin-top: 20px; }
.tech-group { padding-top: 16px; border-top: 1px solid rgba(46, 87, 208, .09); }
.tech-group:first-child { padding-top: 0; border-top: 0; }
.tech-group-label { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; color: var(--project-color, var(--portfolio-primary)); font-size: .7rem; font-weight: 950; letter-spacing: .01em; }
.tech-group-label::before { content: ""; width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 5px var(--project-soft, #eef2ff); }
.tech-groups .tech-stack { margin-top: 0; }
.project-panel + .project-panel { margin-top: 0; }
.tech-stack { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 19px; }
.tech-item { display: flex; align-items: center; gap: 9px; padding: 11px 10px; border-radius: 12px; background: var(--project-soft, #eef2ff); color: var(--portfolio-ink); font-size: .75rem; font-weight: 900; }
.tech-item::before { content: "✦"; color: var(--project-color, var(--portfolio-primary)); }
.feature-list { display: grid; gap: 10px; margin: 18px 0 0; padding: 0; list-style: none; }
.feature-list li { display: flex; gap: 9px; color: var(--portfolio-muted); font-size: .8rem; line-height: 1.8; }
.feature-list li::before { content: "✓"; flex: 0 0 auto; color: var(--project-color, var(--portfolio-primary)); font-weight: 900; }
.project-footer { margin-top: 26px; padding: 20px 22px; border-radius: 18px; background: linear-gradient(115deg, var(--project-color, var(--portfolio-primary)), color-mix(in srgb, var(--project-color, var(--portfolio-primary)) 56%, #0f172a)); color: #fff; }
.project-footer strong { display: block; margin-bottom: 5px; font-size: .95rem; }
.project-footer span { color: rgba(255,255,255,.82); font-size: .76rem; }

@media (max-width: 1000px) {
  .portfolio-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .portfolio-card-wide { grid-column: span 2; }
  .project-hero, .project-content { grid-template-columns: 1fr; }
  .project-visual { order: -1; min-height: 330px; }
}

@media (max-width: 700px) {
  .portfolio-heading { grid-template-columns: 1fr; gap: 12px; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-card-wide { grid-column: span 1; }
  .portfolio-cta { align-items: stretch; flex-direction: column; }
  .portfolio-cta .btn { width: 100%; }
  .project-header .container { min-height: 66px; }
  .project-brand { font-size: .75rem; }
  .project-nav { gap: 10px; }
  .project-nav a { font-size: .68rem; }
  .project-main { padding-top: 32px; }
  .project-visual { min-height: 275px; padding: 20px; }
  .project-stats { margin: 28px 0 40px; }
  .project-stat { padding: 13px 10px; }
  .project-stat strong { font-size: .9rem; }
  .project-stat span { font-size: .62rem; }
  .project-panel { padding: 21px 18px; }
}

/* ── Standalone case-study polish ── */
@font-face {
  font-family: "Vazirmatn Portfolio";
  src: url("/fonts/Vazirmatn-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Vazirmatn Portfolio";
  src: url("/fonts/Vazirmatn-Bold.woff2") format("woff2");
  font-weight: 700 950;
  font-style: normal;
  font-display: swap;
}

.project-page,
.project-page *,
.project-page *::before,
.project-page *::after { box-sizing: border-box; }

.project-page {
  min-width: 0;
  overflow-x: hidden;
  font-family: "Vazirmatn Portfolio", Tahoma, Arial, sans-serif;
  line-height: 1.8;
}

.project-page .container {
  width: min(100% - 32px, 1180px);
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 0;
}

.project-header {
  position: sticky;
  inset: 0 0 auto;
  z-index: 10;
  box-shadow: 0 8px 28px rgba(15, 23, 42, .045);
}

.project-header .container {
  min-height: 74px;
  height: auto;
  padding-block: 12px;
}

.project-brand,
.project-nav a { white-space: nowrap; }

.project-main { padding: clamp(34px, 5vw, 72px) 0 88px; }

.project-hero {
  grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  gap: clamp(28px, 5vw, 72px);
}

.project-hero > * { min-width: 0; }

.project-title {
  max-width: 700px;
  font-size: clamp(2rem, 4.4vw, 4rem);
  line-height: 1.28;
  overflow-wrap: anywhere;
}

.project-lead { max-width: 620px; }

.project-visual {
  width: 100%;
  min-width: 0;
  min-height: clamp(320px, 38vw, 450px);
  padding: clamp(20px, 3vw, 36px);
  border: 1px solid rgba(255, 255, 255, .8);
  box-shadow: 0 18px 50px rgba(46, 87, 208, .07);
}

.project-visual::before { width: min(390px, 92%); height: min(390px, 92%); }
.project-visual::after { width: min(270px, 68%); height: min(270px, 68%); }

.project-screen {
  width: min(100%, 390px);
  max-width: 100%;
  transform: rotate(-2deg);
}

.floating-label {
  max-width: calc(100% - 20px);
  white-space: nowrap;
}

.project-stats,
.project-content { min-width: 0; }

.project-stat,
.project-panel { min-width: 0; overflow-wrap: anywhere; }

.project-stat strong { overflow-wrap: anywhere; }

@media (max-width: 960px) {
  .project-hero,
  .project-content { grid-template-columns: minmax(0, 1fr); }

  .project-visual {
    order: -1;
    min-height: 340px;
  }

  .project-hero > div:first-child { max-width: 760px; }
}

@media (max-width: 560px) {
  .project-page .container { width: min(100% - 24px, 1180px); }

  .project-header .container {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .project-brand { font-size: .78rem; }
  .project-nav { width: 100%; justify-content: space-between; gap: 12px; }
  .project-nav a { font-size: .7rem; }
  .project-main { padding-top: 28px; }
  .project-kicker { font-size: .7rem; }
  .project-title { font-size: clamp(1.85rem, 9vw, 2.8rem); }
  .project-lead { font-size: .86rem; line-height: 2.05; }
  .project-actions { flex-direction: column; }
  .project-btn { width: 100%; }
  .project-visual { min-height: 270px; padding: 16px; border-radius: 25px; }
  .project-screen { padding: 10px; border-width: 4px; }
  .floating-label { padding: 8px 10px; font-size: .62rem; }
  .floating-label.one { top: 12%; right: 3%; }
  .floating-label.two { bottom: 12%; left: 3%; }
  .project-stats { gap: 8px; margin: 24px 0 34px; }
  .project-stat { padding: 13px 9px; border-radius: 13px; }
  .project-stat strong { font-size: .78rem; }
  .project-stat span { font-size: .58rem; line-height: 1.65; }
  .project-panel { padding: 20px 16px; border-radius: 18px; }
  .project-panel h2 { font-size: 1.08rem; }
  .tech-stack { gap: 8px; }
  .tech-groups { gap: 15px; margin-top: 16px; }
  .tech-group { padding-top: 13px; }
  .tech-group-label { font-size: .64rem; }
  .tech-item { padding: 9px 8px; font-size: .68rem; }
  .project-footer { padding: 17px; }
}