/* ==========================================================================
   Ali Farisat — portfolio stylesheet
   Shared by the Persian (RTL) and English (LTR) pages.
   Direction-agnostic: all box properties use CSS logical properties, so the
   whole layout mirrors from `dir="rtl"` to `dir="ltr"` with no extra rules.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. FONTS — Vazirmatn, self-hosted. Only the four weights the design uses
   are shipped; unused weights were removed from /fonts to cut deploy size.
   -------------------------------------------------------------------------- */
@font-face{ font-family:'Vazirmatn'; src:url('fonts/Vazirmatn-Regular.woff2') format('woff2');  font-weight:400; font-style:normal; font-display:swap; }
@font-face{ font-family:'Vazirmatn'; src:url('fonts/Vazirmatn-Medium.woff2') format('woff2');   font-weight:500; font-style:normal; font-display:swap; }
@font-face{ font-family:'Vazirmatn'; src:url('fonts/Vazirmatn-SemiBold.woff2') format('woff2'); font-weight:600; font-style:normal; font-display:swap; }
@font-face{ font-family:'Vazirmatn'; src:url('fonts/Vazirmatn-Bold.woff2') format('woff2');     font-weight:700; font-style:normal; font-display:swap; }

/* --------------------------------------------------------------------------
   2. TOKENS
   Palette carries over the ink/signal/pulse values from the previous
   stylesheet (deep navy + data-blue + fiber-teal) — the colors were sound,
   the layout around them wasn't. Blue is the interface color; teal is
   reserved for state (live / current / safe-to-roll-back) so the two
   accents never compete.
   -------------------------------------------------------------------------- */
:root{
  /* surfaces */
  --ink:        #060b14;
  --ink-2:      #09101c;
  --panel:      #0d1524;
  --panel-2:    #111b2e;
  --line:       #1e2a44;
  --line-soft:  #16203494;

  /* accents */
  --signal:     #4c8dff;
  --signal-2:   #86b4ff;
  --signal-rgb: 76,141,255;
  --pulse:      #2bd9c0;
  --pulse-rgb:  43,217,192;

  /* text — all pass WCAG AA against --ink and --panel */
  --paper:      #e8eefb;
  --mist:       #93a1c0;
  --dim:        #7d89ab;

  /* type */
  --font:  'Vazirmatn', 'Segoe UI', Tahoma, sans-serif;
  --mono:  ui-monospace, 'SFMono-Regular', 'Cascadia Mono', Menlo, Consolas, monospace;

  --fs-display: clamp(2.7rem, 7vw, 4.4rem);
  --fs-h2:      clamp(1.65rem, 3.2vw, 2.25rem);
  --fs-h3:      1.14rem;
  --fs-lead:    clamp(1.05rem, 1.6vw, 1.2rem);
  --fs-body:    1rem;
  --fs-sm:      .9rem;
  --fs-xs:      .8rem;

  /* spacing — 4px base, geometric-ish */
  --sp-1: .25rem;
  --sp-2: .5rem;
  --sp-3: .75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4.5rem;
  --sp-9: 7rem;

  /* shape */
  --r-sm: 6px;
  --r:    10px;
  --r-lg: 14px;
  --container: 1160px;
  --header-h: 66px;

  --ease: cubic-bezier(.2,.7,.3,1);
}

/* --------------------------------------------------------------------------
   3. RESET / BASE
   -------------------------------------------------------------------------- */
*,*::before,*::after{ box-sizing:border-box; }
*{ margin:0; }

html{
  color-scheme: dark;
  scroll-padding-top: calc(var(--header-h) + 1.5rem);
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: no-preference){
  html{ scroll-behavior: smooth; }
}

body{
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ display:block; max-width:100%; height:auto; }
svg{ display:block; }
svg{ width:1em; height:1em; }
a{ color:inherit; text-decoration:none; }
ul,ol{ list-style:none; padding:0; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
strong,b{ font-weight:600; color:var(--paper); }

:focus-visible{
  outline: 2px solid var(--signal-2);
  outline-offset: 3px;
  border-radius: 3px;
}

::selection{ background: rgba(var(--signal-rgb),.3); }

.skip-link{
  position: fixed;
  top: 0;
  inset-inline-start: 0;
  transform: translateY(-120%);
  background: var(--signal);
  color: #04101f;
  font-weight: 700;
  padding: .75rem 1.25rem;
  z-index: 200;
  border-end-end-radius: var(--r-sm);
}
.skip-link:focus{ transform: translateY(0); }

.wrap{
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}

/* Ambient backdrop, fixed so it never repaints on scroll — two soft light
   sources give the dark theme some atmosphere instead of reading as flat ink. */
body::before{
  content:'';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1000px 620px at 82% -10%, rgba(var(--signal-rgb),.15), transparent 62%),
    radial-gradient(800px 520px at 2% 6%, rgba(var(--pulse-rgb),.08), transparent 58%),
    radial-gradient(600px 400px at 50% 116%, rgba(var(--signal-rgb),.06), transparent 60%);
}

/* --------------------------------------------------------------------------
   4. TYPE
   -------------------------------------------------------------------------- */
h1,h2,h3,h4{ line-height:1.25; font-weight:700; letter-spacing:-.015em; }

.section{ padding-block: var(--sp-9); }
.section + .section{ padding-block-start: 0; }
.section-head{ margin-block-end: var(--sp-7); max-width: 62ch; }
.section-title{ font-size: var(--fs-h2); }
.section-lead{
  color: var(--mist);
  font-size: var(--fs-lead);
  margin-block-start: var(--sp-4);
  max-width: 58ch;
}

.rule{
  border: 0;
  border-block-start: 1px solid var(--line);
  margin-block: var(--sp-8);
}

/* Latin fragments inside Persian text (product names, commands) */
.ltr{ direction:ltr; unicode-bidi:isolate; display:inline-block; }
.num{ font-variant-numeric: tabular-nums; }

/* --------------------------------------------------------------------------
   5. BUTTONS & LINKS
   Flat fills only — no gradient buttons, no coloured glow shadows.
   -------------------------------------------------------------------------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 46px;
  padding: .7rem 1.4rem;
  border-radius: var(--r);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: .96rem;
  line-height: 1.2;
  white-space: nowrap;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}
.btn svg{ width:17px; height:17px; flex-shrink:0; }

.btn-primary{
  background: linear-gradient(155deg, var(--signal-2), var(--signal) 75%);
  color: #04101f;
  box-shadow: 0 1px 0 0 rgba(255,255,255,.22) inset, 0 14px 30px -15px rgba(var(--signal-rgb),.65);
}
.btn-primary:hover{
  transform: translateY(-1px);
  box-shadow: 0 1px 0 0 rgba(255,255,255,.28) inset, 0 18px 36px -14px rgba(var(--signal-rgb),.8);
}
.btn-primary:active{ transform: translateY(0); }

.btn-ghost{ border-color: var(--line); color: var(--paper); background: var(--panel); }
.btn-ghost:hover{
  border-color: var(--signal);
  color: var(--signal-2);
  transform: translateY(-1px);
  box-shadow: 0 12px 26px -18px rgba(0,0,0,.6);
}
.btn-ghost:active{ transform: translateY(0); }

.link-inline{
  color: var(--signal-2);
  border-block-end: 1px solid rgba(var(--signal-rgb),.4);
  padding-block-end: 1px;
  transition: border-color .18s var(--ease);
}
.link-inline:hover{ border-color: var(--signal-2); }

/* --------------------------------------------------------------------------
   6. HEADER + NAV
   -------------------------------------------------------------------------- */
.site-header{
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background .25s var(--ease), border-color .25s var(--ease);
  border-block-end: 1px solid transparent;
}
.site-header.is-stuck{
  background: rgba(6,11,20,.78);
  backdrop-filter: blur(14px) saturate(1.4);
  border-block-end-color: var(--line);
  box-shadow: 0 12px 30px -20px rgba(0,0,0,.7);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}

.brand{ display:flex; align-items:center; gap:.65rem; }
.brand-mark{ width:30px; height:30px; color:var(--signal); flex-shrink:0; position:relative; }
.brand-mark svg{ width:100%; height:100%; position:relative; z-index:1; }
.brand-mark::before{
  content:'';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--signal-rgb),.4), transparent 70%);
  filter: blur(3px);
}
@media (prefers-reduced-motion: no-preference){
  .brand-mark::before{ animation: brand-glow 3.6s ease-in-out infinite; }
}
@keyframes brand-glow{
  0%, 100%{ opacity:.5; }
  50%{ opacity:1; }
}
.brand-name{ font-weight:700; font-size:.98rem; letter-spacing:-.01em; }

.main-nav{ display:flex; align-items:center; gap:.2rem; }
.nav-link{
  display: inline-flex;
  align-items: center;
  padding: .5rem .75rem;
  border-radius: var(--r-sm);
  font-size: .92rem;
  color: var(--mist);
  transition: color .16s var(--ease), background .16s var(--ease);
}
.nav-link:hover{ color: var(--paper); background: var(--panel); }
.nav-link[aria-current="true"]{ color: var(--paper); }
.nav-link[aria-current="true"]::before{
  content:'';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--signal);
  margin-inline-end: .4rem;
}

.nav-sep{ width:1px; height:20px; background:var(--line); margin-inline:.5rem; }

.nav-resume{ gap:.4rem; color:var(--paper); }
.nav-resume svg{ width:15px; height:15px; }

.lang-switch{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 32px;
  padding-inline: .5rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--mist);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.lang-switch:hover{ color: var(--paper); border-color: var(--signal); }

.nav-toggle{
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  color: var(--paper);
}
.nav-toggle svg{ width:20px; height:20px; }
.nav-toggle .icon-close{ display:none; }
.nav-toggle[aria-expanded="true"] .icon-close{ display:block; }
.nav-toggle[aria-expanded="true"] .icon-menu{ display:none; }

/* --------------------------------------------------------------------------
   7. HERO
   -------------------------------------------------------------------------- */
.hero{
  padding-block: calc(var(--header-h) + var(--sp-9)) var(--sp-8);
}
.hero-grid{
  display: grid;
  grid-template-columns: minmax(0,1.25fr) minmax(0,.75fr);
  gap: var(--sp-8);
  align-items: center;
}

.hero-name{
  font-size: var(--fs-display);
  letter-spacing: -.035em;
  line-height: 1.05;
}
.hero-title{
  font-size: var(--fs-lead);
  font-weight: 500;
  color: var(--signal-2);
  margin-block-start: var(--sp-4);
  max-width: 34ch;
}
.hero-bio{
  color: var(--mist);
  margin-block-start: var(--sp-5);
  max-width: 54ch;
}
.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-block-start: var(--sp-6);
}

.social-row{
  display: flex;
  gap: var(--sp-2);
  margin-block-start: var(--sp-6);
}
.social-link{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  color: var(--mist);
  transition: color .16s var(--ease), border-color .16s var(--ease), transform .16s var(--ease), box-shadow .16s var(--ease);
}
.social-link svg{ width:19px; height:19px; }
.social-link:hover{
  color: var(--signal-2);
  border-color: var(--signal);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px -14px rgba(var(--signal-rgb),.6);
}

/* portrait */
.hero-portrait{ position:relative; max-width:330px; margin-inline-start:auto; }
.hero-portrait::before{
  content:'';
  position: absolute;
  inset: -18%;
  z-index: -1;
  background: radial-gradient(circle, rgba(var(--signal-rgb),.22), transparent 68%);
  filter: blur(6px);
}
.hero-portrait img{
  width: 100%;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  filter: saturate(.85) contrast(1.02);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.8);
}
.hero-portrait::after{
  content:'';
  position: absolute;
  inset: 0;
  border-radius: var(--r-lg);
  pointer-events: none;
  background: linear-gradient(200deg, transparent 45%, rgba(6,11,20,.55) 100%);
}

/* capability ledger — three plain-text columns, hairline separated */
.ledger{
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: var(--sp-6);
  margin-block-start: var(--sp-8);
  padding-block-start: var(--sp-6);
  border-block-start: 1px solid var(--line);
}
.ledger-col + .ledger-col{
  border-inline-start: 1px solid var(--line);
  padding-inline-start: var(--sp-6);
}
.ledger-title{
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--paper);
  margin-block-end: var(--sp-2);
}
.ledger-items{ color: var(--dim); font-size: var(--fs-sm); line-height:1.7; }

/* --------------------------------------------------------------------------
   8. PROJECTS
   -------------------------------------------------------------------------- */
.project{
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
  overflow: hidden;
  box-shadow: 0 30px 60px -46px rgba(0,0,0,.85);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.project:hover{
  border-color: #26365a;
  box-shadow: 0 34px 70px -40px rgba(0,0,0,.9), 0 0 0 1px rgba(var(--signal-rgb),.08);
}
.project + .project{ margin-block-start: var(--sp-6); }

.project-head{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--sp-3) var(--sp-4);
  padding: var(--sp-6) var(--sp-6) 0;
}
.project-name{ font-size: 1.45rem; }
.project-kicker{
  font-size: var(--fs-xs);
  color: var(--dim);
  margin-inline-start: auto;
}
.project-summary{
  color: var(--mist);
  padding: var(--sp-4) var(--sp-6) 0;
  max-width: 76ch;
}

.status{
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--pulse);
}
.status::before{
  content:'';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 0 currentColor;
}
@media (prefers-reduced-motion: no-preference){
  .status:not(.status-neutral)::before{ animation: status-pulse 2.2s ease-out infinite; }
}
@keyframes status-pulse{
  0%{ box-shadow: 0 0 0 0 rgba(var(--pulse-rgb),.55); }
  70%{ box-shadow: 0 0 0 6px rgba(var(--pulse-rgb),0); }
  100%{ box-shadow: 0 0 0 0 rgba(var(--pulse-rgb),0); }
}
.status-neutral{ color: var(--dim); }

/* the signature artifact: intent -> config -> rollback */
.exchange{
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1px;
  margin: var(--sp-6);
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}
.exchange-pane{
  background: var(--ink-2);
  padding: var(--sp-4);
  min-width: 0;
}
.exchange-label{
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--dim);
  margin-block-end: var(--sp-3);
}
.step{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: .7rem;
  color: var(--mist);
  flex-shrink: 0;
}
.exchange-label.is-safe .step{ border-color: rgba(var(--pulse-rgb),.45); color: var(--pulse); }
.exchange-label.is-safe{ color: var(--pulse); }
.exchange-quote{ color: var(--paper); font-size: var(--fs-sm); }

pre.code{
  direction: ltr;
  text-align: left;
  font-family: var(--mono);
  font-size: .8rem;
  line-height: 1.75;
  color: var(--signal-2);
  overflow-x: auto;
  white-space: pre;
  tab-size: 2;
}
pre.code:focus-visible{ outline-offset: 2px; }
.exchange-pane .is-safe ~ pre.code{ color: var(--pulse); }

.exchange-note{
  margin: calc(var(--sp-6) * -1 + 0px) var(--sp-6) var(--sp-6);
  margin-block-start: calc(var(--sp-4) * -1);
  padding-block-start: var(--sp-4);
  font-size: var(--fs-sm);
  color: var(--dim);
  max-width: 76ch;
}

/* case-study detail blocks */
.case-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
  gap: var(--sp-5) var(--sp-6);
  padding: 0 var(--sp-6) var(--sp-6);
}
.case-block h4{
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--signal-2);
  margin-block-end: var(--sp-2);
}
.case-block p,
.case-block li{ color: var(--mist); font-size: var(--fs-sm); }
.case-block li{ position:relative; padding-inline-start: 1rem; }
.case-block li + li{ margin-block-start: var(--sp-2); }
.case-block li::before{
  content:'';
  position: absolute;
  inset-inline-start: 0;
  top: .85em;
  width: 5px; height: 1px;
  background: var(--line);
}

.stack-bar{
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  padding: var(--sp-5) var(--sp-6);
  border-block-start: 1px solid var(--line);
  background: var(--panel-2);
}
.stack-item{
  font-family: var(--mono);
  font-size: .74rem;
  color: var(--dim);
  padding: .25rem .55rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  direction: ltr;
}

/* compact third block */
.project-compact{ padding: var(--sp-6); }
.compact-list{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
  gap: var(--sp-4) var(--sp-6);
  margin-block-start: var(--sp-5);
}
.compact-list li{ color: var(--mist); font-size: var(--fs-sm); }

/* --------------------------------------------------------------------------
   9. FIELDWORK / ABOUT
   -------------------------------------------------------------------------- */
.about-grid{
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1.05fr);
  gap: var(--sp-8);
  align-items: start;
}
.about-body p + p{ margin-block-start: var(--sp-4); }
.about-body p{ color: var(--mist); }

.facts{
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: var(--sp-4);
  margin-block-start: var(--sp-6);
  padding-block-start: var(--sp-6);
  border-block-start: 1px solid var(--line);
}
.fact-label{ display:block; font-size: var(--fs-xs); color: var(--dim); }
.fact-value{ display:block; font-size: var(--fs-sm); font-weight:600; }

.gallery{
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: var(--sp-4);
}
.gallery figure{ margin:0; }
/* <picture> is inline by default, so a percentage height on the <img> inside
   has no definite container to resolve against. Fixed aspect ratios keep the
   boxes deterministic instead. */
.gallery picture{ display:block; }
.gallery img{
  width: 100%;
  object-fit: cover;
  border-radius: var(--r);
  border: 1px solid var(--line);
}
.gallery-main{ grid-column: 1 / -1; }
.gallery-main img{ aspect-ratio: 16 / 10; }
.gallery figure:not(.gallery-main) img{ aspect-ratio: 3 / 4; }
.gallery figcaption{
  font-size: var(--fs-xs);
  color: var(--dim);
  margin-block-start: var(--sp-2);
}

/* --------------------------------------------------------------------------
   10. SKILLS
   -------------------------------------------------------------------------- */
.skill-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
  gap: var(--sp-6);
}
.skill-col{
  border-block-start: 2px solid var(--signal);
  padding-block-start: var(--sp-4);
}
.skill-col:nth-child(2){ border-block-start-color: var(--pulse); }
.skill-col:nth-child(3){ border-block-start-color: var(--line); }
.skill-col h3{ font-size: var(--fs-h3); }
.skill-note{
  font-size: var(--fs-xs);
  color: var(--dim);
  margin-block-start: var(--sp-1);
}
.skill-list{ margin-block-start: var(--sp-4); }
.skill-list li{
  color: var(--mist);
  font-size: var(--fs-sm);
  padding-block: .3rem;
  border-block-end: 1px solid var(--line-soft);
}
.skill-list li:last-child{ border-block-end: 0; }

/* --------------------------------------------------------------------------
   11. EXPERIENCE — a genuine sequence, so it gets a real timeline rail
   -------------------------------------------------------------------------- */
.timeline{ position:relative; padding-inline-start: var(--sp-6); }
.timeline::before{
  content:'';
  position: absolute;
  inset-inline-start: 4px;
  top: .6rem;
  bottom: .6rem;
  width: 1px;
  background: var(--line);
}
.timeline-item{ position:relative; }
.timeline-item + .timeline-item{ margin-block-start: var(--sp-6); }
.timeline-item::before{
  content:'';
  position: absolute;
  inset-inline-start: calc(var(--sp-6) * -1);
  top: .7rem;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--line);
}
.timeline-item.is-current::before{ background: var(--pulse); border-color: var(--pulse); }
.timeline-date{
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: var(--fs-xs);
  color: var(--dim);
}
.timeline-role{ font-size: var(--fs-h3); margin-block-start: var(--sp-1); }
.timeline-org{ color: var(--signal-2); font-size: var(--fs-sm); }
.timeline-points{ margin-block-start: var(--sp-3); }
.timeline-points li{
  color: var(--mist);
  font-size: var(--fs-sm);
  position: relative;
  padding-inline-start: 1rem;
}
.timeline-points li + li{ margin-block-start: var(--sp-2); }
.timeline-points li::before{
  content:'';
  position: absolute;
  inset-inline-start: 0;
  top: .85em;
  width: 5px; height: 1px;
  background: var(--line);
}

/* --------------------------------------------------------------------------
   12. CREDENTIALS
   -------------------------------------------------------------------------- */
.cred-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
  gap: var(--sp-6);
  align-items: start;
}
.cred-group h3{
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--dim);
  padding-block-end: var(--sp-3);
  border-block-end: 1px solid var(--line);
}
.cred-list li{
  display: flex;
  flex-wrap: wrap;
  gap: .25rem var(--sp-4);
  align-items: baseline;
  justify-content: space-between;
  padding-block: var(--sp-3);
  border-block-end: 1px solid var(--line-soft);
}
.cred-name{ font-size: var(--fs-sm); font-weight:500; }
.cred-meta{ font-size: var(--fs-xs); color: var(--dim); }
.cred-held{ color: var(--pulse); }

.resume-callout{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  margin-block-start: var(--sp-7);
  padding: var(--sp-5) var(--sp-6);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
}
.resume-callout p{ color: var(--mist); font-size: var(--fs-sm); max-width: 52ch; }
.resume-callout h3{ font-size: var(--fs-h3); margin-block-end: var(--sp-1); }

/* --------------------------------------------------------------------------
   13. CONTACT + FOOTER
   -------------------------------------------------------------------------- */
.contact-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: var(--sp-3);
}
.contact-row{
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  min-height: 62px;
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--panel);
  transition: border-color .16s var(--ease), background .16s var(--ease), transform .16s var(--ease), box-shadow .16s var(--ease);
}
.contact-row:hover{
  border-color: var(--signal);
  background: var(--panel-2);
  transform: translateY(-1px);
  box-shadow: 0 14px 30px -22px rgba(0,0,0,.6);
}
.contact-icon{
  display: inline-flex;
  color: var(--signal);
  flex-shrink: 0;
}
.contact-icon svg{ width:20px; height:20px; }
.contact-label{ display:block; font-size: var(--fs-xs); color: var(--dim); }
.contact-value{ display:block; font-size: var(--fs-sm); font-weight:500; }

.site-footer{
  margin-block-start: var(--sp-9);
  border-block-start: 1px solid var(--line);
  padding-block: var(--sp-6);
}
.footer-inner{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  font-size: var(--fs-xs);
  color: var(--dim);
}

/* --------------------------------------------------------------------------
   14. MOTION — one orchestrated entrance, hero only.
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference){
  .hero-enter > *{
    opacity: 0;
    animation: rise .7s var(--ease) forwards;
  }
  .hero-enter > *:nth-child(1){ animation-delay: .04s; }
  .hero-enter > *:nth-child(2){ animation-delay: .10s; }
  .hero-enter > *:nth-child(3){ animation-delay: .16s; }
  .hero-enter > *:nth-child(4){ animation-delay: .22s; }
  .hero-enter > *:nth-child(5){ animation-delay: .28s; }
}
@keyframes rise{
  from{ opacity:0; transform: translateY(10px); }
  to  { opacity:1; transform: none; }
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* --------------------------------------------------------------------------
   15. RESPONSIVE
   Breakpoints: 1080 (nav collapse) / 900 (two-col -> one) / 620 (compact)
   -------------------------------------------------------------------------- */
@media (max-width: 1080px){
  .nav-toggle{ display:inline-flex; }

  .main-nav{
    position: fixed;
    inset-inline: 0;
    top: var(--header-h);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--sp-3) var(--sp-5) var(--sp-6);
    background: rgba(6,11,20,.98);
    backdrop-filter: blur(14px);
    border-block-end: 1px solid var(--line);
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
  }
  .main-nav.is-open{ display:flex; }
  .nav-link{
    min-height: 52px;
    padding-inline: 0;
    font-size: 1.02rem;
    border-block-end: 1px solid var(--line-soft);
    border-radius: 0;
  }
  .nav-link:hover{ background:none; }
  .nav-sep{ display:none; }
  /* one auto margin on the inline-end side keeps the pill at the reading
     edge in both RTL and LTR without a direction-specific rule */
  .lang-switch{ margin-block-start: var(--sp-4); margin-inline-end: auto; }
}

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; gap: var(--sp-7); }
  .hero-portrait{ max-width: 200px; margin-inline: 0; order: -1; }

  .ledger{ grid-template-columns: 1fr; gap: var(--sp-5); }
  .ledger-col + .ledger-col{
    border-inline-start: 0;
    padding-inline-start: 0;
    border-block-start: 1px solid var(--line);
    padding-block-start: var(--sp-5);
  }

  .exchange{ grid-template-columns: 1fr; }
  .about-grid{ grid-template-columns: 1fr; gap: var(--sp-7); }
  .gallery-main img{ aspect-ratio: 16 / 10; }
}

@media (max-width: 620px){
  :root{ --sp-9: 4.5rem; --sp-8: 3rem; }

  .wrap{ padding-inline: var(--sp-4); }

  .hero{ padding-block: calc(var(--header-h) + var(--sp-7)) var(--sp-7); }
  .hero-actions .btn{ flex: 1 1 100%; }

  .project-head,
  .project-summary,
  .case-grid,
  .stack-bar,
  .project-compact{ padding-inline: var(--sp-4); }
  .exchange{ margin-inline: var(--sp-4); }
  .exchange-note{ margin-inline: var(--sp-4); }
  .project-kicker{ margin-inline-start: 0; width:100%; }

  .facts{ grid-template-columns: 1fr; }
  .gallery{ grid-template-columns: 1fr; }
  .gallery-main img{ aspect-ratio: 4 / 3; }
  .gallery figure:not(.gallery-main) img{ aspect-ratio: 4 / 3; }

  .cred-list li{ flex-direction: column; gap:.1rem; }
  .resume-callout{ flex-direction: column; align-items: stretch; }
  .resume-callout .btn{ width:100%; }
}

/* Print: the resume PDF is the print artifact, but keep the page legible. */
@media print{
  body{ background:#fff; color:#000; }
  .site-header,.social-row,.hero-actions,.skip-link{ display:none; }
}