:root{
  --ink:#1B1030;
  --paper:#FFF4E1;
  --violet:#241640;
  --violet-2:#1A0F30;
  --accent:#FFC93C;
  --coral:#FF5A36;
  --teal:#00A896;
  --font-display:'Vazirmatn', ui-sans-serif, system-ui, sans-serif;
  --font-mono:'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  --vh:100vh;

  /* page dock: small flat-glass circles, sized from the viewport so they fit every screen */
  --dock-size:clamp(.72rem, min(2.2vh, 3.9vw), 1.05rem);
  --dock-gap:clamp(.55rem, 2vh, 1rem);
  --dock-pad:.6rem;
  --dock-right:clamp(.25rem, 1vw, 1rem);
  --dock-space:calc(var(--dock-right) + var(--dock-size) + var(--dock-pad) * 2 + .6rem);
  --pad-x:clamp(1.2rem,6vw,5rem);
  --pad-y:clamp(1rem,4vh,3rem);
}
@supports (height: 100dvh){ :root{ --vh:100dvh; } }
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){ --paper:#FFF4E1; }
}
:root[data-theme="dark"]{ --paper:#FFF4E1; }

/* large screens: everything built on rem scales up with the display */
@media (min-width:1800px){ html{ font-size:112.5%; } }
@media (min-width:2400px){ html{ font-size:125%; } }
@media (min-width:3200px){ html{ font-size:150%; } }

*{box-sizing:border-box;}
html,body{ margin:0; padding:0; }
body{
  font-family:var(--font-display);
  background:var(--violet);
  color:var(--paper);
  overflow-x:hidden;
  -webkit-tap-highlight-color:transparent;
}
/* content protection: nothing is selectable except project/contact links and typing fields */
body{ -webkit-user-select:none; user-select:none; -webkit-touch-callout:none; }
img, svg, a{ -webkit-user-drag:none; }
.contact-link, input, textarea{ -webkit-user-select:text; user-select:text; -webkit-touch-callout:default; }
.contact-link{ -webkit-user-drag:auto; }

hr{border:none;border-top:1px solid currentColor;opacity:.3;margin:clamp(.4rem,1.6vh,1.2rem) 0;}
:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; }

/* ---- scroll-driven page-turn stack (every page is exactly one screen) ---- */
main#scrollRoot{ position:relative; width:100%; overflow-x:hidden; }

section[data-flow]{
  position:relative;
  height:var(--vh);
  width:100%;
  overflow:hidden;
}

.inner{
  position:relative;
  height:100%;
  width:100%;
  overflow:hidden;               /* a page never scrolls inside itself */
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:clamp(.5rem,2vh,1.6rem);
  padding:var(--pad-y) max(var(--pad-x), var(--dock-space)) var(--pad-y) var(--pad-x);
  padding-top:calc(var(--pad-y) + env(safe-area-inset-top));
  padding-bottom:calc(var(--pad-y) + env(safe-area-inset-bottom));
  will-change:transform;
  backface-visibility:hidden;
  transform-origin:bottom left;
}

.display{
  font-weight:900;
  line-height:.92;
  letter-spacing:-0.015em;
  font-size:clamp(2rem,min(8.6vw,12.5vh),7.6rem);
  margin:0;
}
.display .accent{ color:var(--accent); }

.lede{
  max-width:44ch;
  font-size:clamp(.9rem,min(1.9vw,2.6vh),1.3rem);
  line-height:1.6;
  font-weight:400;
  margin:0;
}
.row{ display:flex; flex-wrap:wrap; gap:clamp(.7rem,2vh,1.6rem) 2.2vw; }
.col{ min-width:150px; flex:1; }
.col-title{ font-weight:700; font-size:clamp(.82rem,2.1vh,.95rem); margin-bottom:.4em; }
.col-body{ font-size:clamp(.8rem,min(1.2vw,2.2vh),1rem); line-height:1.55; opacity:.8; }

/* ---- glass card language: flat, frosted, slightly raised ---- */
.glass{
  background:color-mix(in srgb, currentColor 10%, transparent);
  border:1px solid color-mix(in srgb, currentColor 22%, transparent);
  border-radius:14px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 10px 26px -14px rgba(0,0,0,.4), inset 0 1px 0 color-mix(in srgb, currentColor 16%, transparent);
  transition:transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease, background .25s ease, border-color .25s ease;
}

/* ---- interactive cards (projects, skills): same glass, now alive ----
   JS feeds --rx --ry --ty --sc (tilt / lift / scale) and --mx --my --glow (light). */
.fx{
  position:relative;
  transform:perspective(900px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) translate3d(0,var(--ty,0px),0) scale(var(--sc,1));
  will-change:transform;
  transition:box-shadow .55s ease, background .45s ease, border-color .45s ease;
}
.fx::before{
  content:""; position:absolute; inset:0; border-radius:inherit; pointer-events:none;
  background:radial-gradient(circle at var(--mx,50%) var(--my,50%), color-mix(in srgb, currentColor 24%, transparent), transparent 58%);
  opacity:var(--glow,0);
  transition:opacity .5s ease;
}
.fx.is-live{
  background:color-mix(in srgb, currentColor 14%, transparent);
  border-color:color-mix(in srgb, currentColor 36%, transparent);
  box-shadow:0 26px 44px -22px rgba(0,0,0,.55), inset 0 1px 0 color-mix(in srgb, currentColor 26%, transparent);
}

.tags{ display:flex; flex-wrap:wrap; gap:clamp(.5rem,1.6vh,.9rem); }
.tag{
  font-family:var(--font-mono);
  font-size:clamp(.78rem,2.1vh,.98rem);
  padding:.7em 1.2em;
  cursor:default;
  user-select:none;
}

/* ---- projects: one row, scrolls sideways when it needs to ---- */
.proj-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:1rem; }
.proj-arrows{ display:none; gap:.6rem; flex:none; }
.proj-arrows.show{ display:flex; }
.arrow{
  width:2.5rem; height:2.5rem; padding:0; border-radius:50%;
  display:grid; place-items:center; color:inherit; cursor:pointer;
}
.arrow svg{ width:1.05rem; height:1.05rem; }
.arrow:hover{ background:color-mix(in srgb, currentColor 18%, transparent); transform:translateY(-2px) scale(1.06); }
.arrow:active{ transform:scale(.95); }
.arrow:disabled{ opacity:.35; pointer-events:none; }

.projects-wrap{ position:relative; min-width:0; }
.projects{
  display:flex; align-items:stretch;
  gap:clamp(.8rem,1.6vw,1.3rem);
  overflow-x:auto; overflow-y:hidden;
  overscroll-behavior-x:contain;
  scroll-snap-type:x proximity;
  scroll-padding-inline:.4rem;
  -webkit-overflow-scrolling:touch;
  padding:1rem .4rem 1rem;
  margin:-1rem -.4rem -.2rem;
  scrollbar-width:thin;
  scrollbar-color:color-mix(in srgb, currentColor 40%, transparent) transparent;
  outline-offset:-4px;
}
.projects.can-scroll{
  cursor:grab;
  -webkit-mask-image:linear-gradient(to right, transparent 0, #000 .9rem, #000 calc(100% - .9rem), transparent 100%);
          mask-image:linear-gradient(to right, transparent 0, #000 .9rem, #000 calc(100% - .9rem), transparent 100%);
}
.projects.dragging{ cursor:grabbing; scroll-snap-type:none; scroll-behavior:auto; }
.projects.dragging .project{ pointer-events:none; }
.projects::-webkit-scrollbar{ height:6px; }
.projects::-webkit-scrollbar-thumb{ background:color-mix(in srgb, currentColor 38%, transparent); border-radius:6px; }

.project{
  flex:0 0 auto;
  width:clamp(14.5rem,min(27vw,46vh),21rem);
  display:flex; flex-direction:column; gap:.7em;
  padding:clamp(.9rem,2.4vh,1.35rem);
  scroll-snap-align:start;
  color:inherit; text-decoration:none;
}
a.project{ cursor:pointer; -webkit-user-drag:none; }
.project-name{ margin:0; font-weight:700; font-size:clamp(1.02rem,min(2vw,3vh),1.4rem); line-height:1.25; }
.project-desc{ margin:0; font-size:clamp(.8rem,2vh,.92rem); line-height:1.55; opacity:.8; }
.project-cta{
  margin-top:auto; align-self:flex-start;
  display:inline-flex; align-items:center; gap:.5em;
  padding:.5em 1em; border-radius:999px;
  font-family:var(--font-mono); font-size:.78rem; font-weight:600;
  border:1px solid color-mix(in srgb, currentColor 32%, transparent);
  background:color-mix(in srgb, currentColor 8%, transparent);
  transition:background .4s ease, border-color .4s ease, gap .5s cubic-bezier(.22,1,.36,1);
}
.project-cta svg{ width:.95em; height:.95em; }
a.project:hover .project-cta, a.project:focus-visible .project-cta{ background:color-mix(in srgb, var(--accent) 24%, transparent); border-color:color-mix(in srgb, var(--accent) 70%, transparent); gap:.8em; }

/* ---- contact ---- */
.contact-links{ display:flex; flex-wrap:wrap; gap:clamp(.5em,1.4vh,1em) 1.4em; }
.contact-link{
  display:inline-flex; align-items:center; gap:.55em;
  font-family:var(--font-mono); font-size:clamp(.78rem,2.1vh,.9rem);
  color:inherit; text-decoration:none;
  padding:.3em 0; border-bottom:1px solid transparent;
  transition:border-color .3s ease, opacity .3s ease;
}
.contact-link:hover{ border-bottom-color:currentColor; }
.contact-link svg{ width:1.2em; height:1.2em; flex:none; }
.contact-foot{ display:flex; align-items:center; justify-content:space-between; gap:1rem; flex-wrap:wrap; }
.comment-btn{
  position:relative;
  display:inline-flex; align-items:center; gap:.65em;
  padding:.8em 1.35em; border-radius:999px;
  font-family:var(--font-display); font-weight:700; font-size:clamp(.88rem,2.3vh,1rem);
  color:inherit; cursor:pointer;
  background:color-mix(in srgb, var(--accent) 20%, transparent);
  border-color:color-mix(in srgb, var(--accent) 55%, transparent);
}
.comment-btn.fx.is-live{ background:color-mix(in srgb, var(--accent) 30%, transparent); border-color:var(--accent); }
.comment-btn svg{ width:1.2em; height:1.2em; }
.comment-btn .dot{
  position:absolute; top:-.2rem; right:-.1rem; width:.75rem; height:.75rem; border-radius:50%;
  background:var(--accent); box-shadow:0 0 0 3px var(--violet-2);
  animation:ping 2.2s ease-in-out infinite;
}
.comment-btn .dot[hidden]{ display:none; }
@keyframes ping{ 0%,100%{ transform:scale(1); } 50%{ transform:scale(1.25); } }
.admin-link{ font-family:var(--font-mono); font-size:.72rem; opacity:.3; color:inherit; text-decoration:none; transition:opacity .3s ease; }
.admin-link:hover{ opacity:.7; }

/* ---- page dock: small flat glass circles, raised, one per page ----
   JS drives --s (size) and --a (accent) from the scroll position, the pointer and the finger. */
.dock{
  position:fixed; z-index:80;
  top:50%; right:calc(var(--dock-right) + env(safe-area-inset-right));
  transform:translateY(-50%);
  display:flex; flex-direction:column; align-items:center; gap:var(--dock-gap);
  padding:var(--dock-pad);
  touch-action:none; -webkit-user-select:none; user-select:none;
  --fg:var(--paper); --bg:var(--ink);
}
.dock.on-light{ --fg:var(--ink); --bg:var(--paper); }
/* a faint glass lane that appears while the bar is being used, so it reads as draggable */
.dock::before{
  content:""; position:absolute; inset:0; border-radius:999px; pointer-events:none;
  background:color-mix(in srgb, var(--fg) 7%, transparent);
  border:1px solid color-mix(in srgb, var(--fg) 14%, transparent);
  -webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px);
  opacity:0; transform:scale(.9);
  transition:opacity .5s ease, transform .6s cubic-bezier(.22,1,.36,1), background .6s ease, border-color .6s ease;
}
.dock.is-hot::before{ opacity:1; transform:none; }

.dock-btn{
  --s:1; --a:0;
  position:relative; display:block; flex:none;
  width:var(--dock-size); height:var(--dock-size);
  border-radius:50%;
  color:var(--fg); text-decoration:none;
  background:color-mix(in srgb, var(--fg) 14%, transparent);
  border:1px solid color-mix(in srgb, var(--fg) 30%, transparent);
  -webkit-backdrop-filter:blur(8px) saturate(1.4);
          backdrop-filter:blur(8px) saturate(1.4);
  box-shadow:
    0 5px 10px -5px rgba(0,0,0,.55),
    0 1px 2px rgba(0,0,0,.2),
    inset 0 1px 0 color-mix(in srgb, var(--fg) 40%, transparent);
  transform:scale(var(--s));
  opacity:calc(.7 + .3 * var(--a));
  will-change:transform;
  transition:color .6s ease, border-color .6s ease, background .6s ease;
}
.dock-btn::after{
  content:""; position:absolute; inset:-1px; border-radius:inherit; pointer-events:none;
  background:var(--accent);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.55), 0 4px 10px -4px color-mix(in srgb, var(--accent) 85%, transparent);
  opacity:var(--a);
}
.dock-btn:focus-visible{ outline-offset:4px; }

.dock-label{
  position:absolute; right:calc(100% + .75rem); top:50%;
  transform:translate(8px,-50%) scale(calc(.94 / var(--s,1)));
  opacity:0; pointer-events:none; white-space:nowrap;
  font-family:var(--font-display); font-size:.74rem; font-weight:700; letter-spacing:0;
  padding:.42em .9em; border-radius:999px;
  color:var(--fg);
  background:color-mix(in srgb, var(--bg) 80%, transparent);
  border:1px solid color-mix(in srgb, var(--fg) 24%, transparent);
  -webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px);
  box-shadow:0 8px 16px -8px rgba(0,0,0,.5);
  transition:opacity .45s ease, transform .6s cubic-bezier(.22,1,.36,1), color .6s ease, background .6s ease;
}
.dock-btn.is-hot .dock-label, .dock-btn:focus-visible .dock-label{ opacity:1; transform:translate(0,-50%) scale(calc(1 / var(--s,1))); }

/* the page "holds" for a moment before turning: content leans a few pixels into the scroll, then settles back */
html.nudge-on .inner > *{ transform:translate3d(0,var(--nudge,0px),0); }

/* ---- comment modal ---- */
.cm-overlay{
  position:fixed; inset:0; z-index:120;
  display:grid; place-items:center;
  padding:clamp(.6rem,3vw,1.5rem);
  padding-bottom:calc(clamp(.6rem,3vw,1.5rem) + env(safe-area-inset-bottom));
  background:rgba(12,6,24,.55);
  -webkit-backdrop-filter:blur(7px); backdrop-filter:blur(7px);
  opacity:0; pointer-events:none;
  transition:opacity .45s ease;
  color:var(--paper);
}
.cm-overlay.open{ opacity:1; pointer-events:auto; }
.cm-panel{
  width:min(30rem,100%);
  height:min(40rem, calc(var(--vh) - 1.5rem));
  display:flex; flex-direction:column; overflow:hidden;
  border-radius:22px;
  background:color-mix(in srgb, var(--violet-2) 88%, transparent);
  border:1px solid rgba(255,244,225,.2);
  box-shadow:0 30px 60px -24px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,244,225,.16);
  transform:translateY(22px) scale(.97);
  transition:transform .6s cubic-bezier(.22,1,.36,1);
}
.cm-overlay.open .cm-panel{ transform:none; }
.cm-head{ display:flex; justify-content:space-between; gap:1rem; padding:1.1rem 1.2rem .9rem; border-bottom:1px solid rgba(255,244,225,.12); }
.cm-head h3{ margin:0 0 .2em; font-size:1.15rem; font-weight:900; }
.cm-head p{ margin:0; font-size:.8rem; opacity:.62; line-height:1.5; }
.cm-close{
  flex:none; width:2.2rem; height:2.2rem; border-radius:50%; padding:0; display:grid; place-items:center;
  color:inherit; cursor:pointer; background:rgba(255,244,225,.08); border:1px solid rgba(255,244,225,.18);
  transition:background .3s ease, transform .4s cubic-bezier(.22,1,.36,1);
}
.cm-close:hover{ background:rgba(255,244,225,.18); transform:rotate(90deg); }
.cm-close svg{ width:1rem; height:1rem; }

.cm-list{ flex:1; min-height:0; overflow-y:auto; overscroll-behavior:contain; padding:1rem 1.1rem; display:flex; flex-direction:column; gap:.55rem; }
.cm-empty{ margin:auto; max-width:24ch; text-align:center; font-size:.92rem; line-height:1.7; opacity:.6; }
.cm-msg{ max-width:84%; padding:.55em .85em .5em; border-radius:16px; font-size:.92rem; line-height:1.55; word-break:break-word; animation:msgIn .45s cubic-bezier(.22,1,.36,1); }
.cm-msg .txt{ white-space:pre-wrap; }
.cm-msg .meta{ display:block; margin-top:.25em; font-family:var(--font-mono); font-size:.64rem; opacity:.55; }
.cm-msg.me{ align-self:flex-end; background:var(--accent); color:var(--ink); border-bottom-right-radius:5px; }
.cm-msg.owner{ align-self:flex-start; background:rgba(255,244,225,.12); border:1px solid rgba(255,244,225,.16); border-bottom-left-radius:5px; }
.cm-msg .who{ display:block; font-weight:700; font-size:.74rem; color:var(--accent); margin-bottom:.15em; }
.cm-msg .quote{ display:block; margin-bottom:.4em; padding:.25em .6em; border-left:2px solid var(--accent); font-size:.78rem; opacity:.7; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
@keyframes msgIn{ from{ opacity:0; transform:translateY(8px) scale(.98); } to{ opacity:1; transform:none; } }

.cm-form{ padding:.8rem 1.1rem 1rem; border-top:1px solid rgba(255,244,225,.12); }
.cm-name{
  width:100%; margin-bottom:.6rem; padding:.6em .9em; border-radius:12px;
  font:inherit; font-size:.88rem; color:var(--paper);
  background:rgba(255,244,225,.07); border:1px solid rgba(255,244,225,.16);
}
.cm-name.hide{ display:none; }
.cm-hp{ position:absolute; left:-9999px; width:1px; height:1px; opacity:0; }
.cm-row{ display:flex; align-items:flex-end; gap:.6rem; }
.cm-row textarea{
  flex:1; resize:none; max-height:7.5rem; padding:.7em .95em; border-radius:16px;
  font:inherit; font-size:.92rem; line-height:1.5; color:var(--paper);
  background:rgba(255,244,225,.08); border:1px solid rgba(255,244,225,.18);
}
.cm-name::placeholder, .cm-row textarea::placeholder{ color:rgba(255,244,225,.45); }
.cm-name:focus, .cm-row textarea:focus{ outline:none; border-color:var(--accent); }
.cm-send{
  flex:none; width:2.7rem; height:2.7rem; border-radius:50%; padding:0; display:grid; place-items:center; cursor:pointer;
  color:var(--ink); background:var(--accent); border:none;
  transition:transform .45s cubic-bezier(.22,1,.36,1), filter .3s ease, opacity .3s ease;
}
.cm-send:hover{ transform:translateY(-2px) scale(1.07); filter:brightness(1.06); }
.cm-send:active{ transform:scale(.95); }
.cm-send:disabled{ opacity:.5; pointer-events:none; }
.cm-send svg{ width:1.1rem; height:1.1rem; }
.cm-err{ min-height:1.1em; margin:.5rem .2rem 0; font-size:.78rem; color:#ff8a70; }

/* ---- small screens: same feel, never cramped ---- */
@media (max-width:520px){
  .display{ font-size:clamp(2rem,min(10.5vw,11.5vh),3.2rem); }
  .lede{ font-size:clamp(.88rem,2.4vh,.98rem); }
  .inner{ gap:clamp(.4rem,1.5vh,1rem); --pad-x:1.15rem; }
  .project{ width:min(78vw,17rem); }
  .col{ min-width:0; flex-basis:100%; }
  .col-body{ margin:0; }
  .row{ gap:.7rem; }
}
@media (max-height:640px) and (orientation:landscape){
  .display{ font-size:clamp(1.6rem,min(7vw,13vh),3rem); line-height:1; }
  .inner{ gap:1vh; --pad-y:clamp(.7rem,3vh,1.6rem); }
  .lede{ font-size:.88rem; }
  .col{ min-width:0; }
  .project{ width:clamp(13rem,30vw,17rem); }
}
@media (max-height:380px){
  .inner{ --pad-y:.6rem; gap:.25rem; }
  hr{ margin:.2rem 0; }
  .display{ font-size:clamp(1.4rem,min(6vw,11vh),2.6rem); line-height:1; }
  .lede{ font-size:.8rem; line-height:1.4; max-width:60ch; }
  .col-title{ font-size:.75rem; margin-bottom:.15em; }
  .col-body{ font-size:.72rem; line-height:1.4; }
  .project{ padding:.6rem .8rem; gap:.35em; width:clamp(12rem,32vw,16rem); }
  .project-name{ font-size:.9rem; }
  .project-desc{ font-size:.72rem; line-height:1.4; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
  .project-cta{ padding:.3em .8em; font-size:.7rem; }
  .arrow{ width:2rem; height:2rem; }
  .tags{ gap:.4rem; } .tag{ padding:.45em .9em; font-size:.72rem; }
  .contact-links{ gap:.2em 1em; } .contact-link{ font-size:.7rem; padding:.1em 0; }
  .comment-btn{ padding:.5em 1.1em; font-size:.8rem; }
  .contact-foot{ gap:.5rem; }
}
@media (prefers-reduced-motion:reduce){
  .dock::before, .dock-btn, .dock-label, .fx, .cm-panel, .cm-overlay, .cm-msg{ transition-duration:.01s !important; animation:none !important; }
}