/* SHEYMON — v11
   White + caramel, iOS-inspired. Light/dark themes.
   Performance rules: blur only on a few small fixed layers; everything that moves uses transform/opacity. */

:root{
  --font: Vazirmatn, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  --font-en: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Inter, system-ui, Vazirmatn, sans-serif;
  --bg:#FCF8F2; --bg-2:#F6EBDC; --surface:#FFFFFF; --surface-2:#FBF3E8;
  --text:#201912; --text-2:#6B5D50; --text-3:#9A8B7D;
  --line:rgba(70,45,20,.10);
  --accent:#A8651F; --accent-strong:#8A4F14; --on-accent:#FFFFFF; --accent-soft:rgba(198,134,66,.16); --caramel:#C68642;
  --glass:rgba(255,252,247,.72); --glass-line:rgba(255,255,255,.75);
  --card-bg:linear-gradient(180deg,rgba(255,255,255,.90),rgba(255,251,245,.70));
  --card-line:rgba(255,255,255,.85); --card-hi:inset 0 1px 0 rgba(255,255,255,.95);
  --b1:rgba(247,170,104,.58); --b2:rgba(243,160,150,.42); --b3:rgba(240,206,128,.55);
  --shadow:0 1px 2px rgba(70,45,20,.05), 0 16px 38px -16px rgba(120,70,20,.26);
  --shadow-s:0 1px 1px rgba(70,45,20,.05), 0 8px 24px -10px rgba(70,45,20,.22);
  --radius:30px;
  --ease:cubic-bezier(.32,.72,0,1);
  --spring:cubic-bezier(.34,1.45,.5,1);
  --out:cubic-bezier(.22,1,.36,1);
  --tab-h:68px;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#120D09; --bg-2:#18110C; --surface:#1B150F; --surface-2:#251C14;
  --text:#F6EFE7; --text-2:#BBAC9D; --text-3:#8B7C6D;
  --line:rgba(255,236,214,.09);
  --accent:#DDA364; --accent-strong:#F0C089; --on-accent:#21150A; --accent-soft:rgba(221,163,100,.16); --caramel:#DDA364;
  --glass:rgba(28,22,16,.68); --glass-line:rgba(255,236,214,.10);
  --card-bg:linear-gradient(180deg,rgba(40,31,23,.82),rgba(28,21,15,.68));
  --card-line:rgba(255,236,214,.10); --card-hi:inset 0 1px 0 rgba(255,236,214,.08);
  --b1:rgba(205,120,48,.34); --b2:rgba(160,72,62,.30); --b3:rgba(196,152,70,.20);
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 18px 40px -16px rgba(0,0,0,.7);
  --shadow-s:0 1px 1px rgba(0,0,0,.4), 0 10px 26px -10px rgba(0,0,0,.7);
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  margin:0;min-height:100vh;background:var(--bg);color:var(--text);
  font:400 16px/1.8 var(--font);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;-webkit-tap-highlight-color:transparent;
  transition:background-color .4s ease,color .4s ease;
}
body.english{font-family:var(--font-en);line-height:1.65}
body.english h1,body.english h2,body.english h3{letter-spacing:-.025em}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,figure,dl,dd{margin:0}
ul{padding:0;list-style:none}
:focus-visible{outline:3px solid var(--caramel);outline-offset:3px;border-radius:12px}
.ic{width:22px;height:22px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
[dir="rtl"] .chev{transform:scaleX(-1)}
.container{width:min(1120px,calc(100% - 40px));margin-inline:auto}
.skip{position:fixed;inset-inline-start:12px;top:-60px;z-index:100;background:var(--accent);color:var(--on-accent);padding:10px 16px;border-radius:12px}
.skip:focus{top:12px}

/* ---------- Living background: three slow colour fields, transform-only ---------- */
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none;
  background:
    radial-gradient(90% 60% at 50% 0%, rgba(255,255,255,.55), transparent 70%),
    linear-gradient(180deg,var(--bg),var(--bg-2));}
:root[data-theme="dark"] .bg{background:radial-gradient(90% 60% at 50% 0%, rgba(255,214,170,.05), transparent 70%),linear-gradient(180deg,var(--bg),var(--bg-2))}
.blob{position:absolute;border-radius:50%;will-change:transform;contain:strict}
.b1{width:92vmax;height:92vmax;top:-46vmax;right:-34vmax;background:radial-gradient(circle,var(--b1),transparent 66%);animation:drift1 34s ease-in-out infinite alternate}
.b2{width:84vmax;height:84vmax;bottom:-44vmax;left:-34vmax;background:radial-gradient(circle,var(--b2),transparent 66%);animation:drift2 40s ease-in-out infinite alternate}
.b3{width:70vmax;height:70vmax;top:28vh;left:8vw;background:radial-gradient(circle,var(--b3),transparent 66%);animation:drift3 46s ease-in-out infinite alternate}
@keyframes drift1{to{transform:translate3d(-14vmax,10vmax,0) scale(1.08)}}
@keyframes drift2{to{transform:translate3d(16vmax,-8vmax,0) scale(1.1)}}
@keyframes drift3{to{transform:translate3d(18vmax,12vmax,0) scale(.92)}}

/* ---------- Header (always laid out left-to-right so it never jumps between languages) ---------- */
.site-header{
  position:fixed;top:max(10px,env(safe-area-inset-top));left:0;right:0;margin-inline:auto;z-index:50;
  width:min(1120px,calc(100% - 24px));height:62px;padding-inline:16px 10px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;direction:ltr;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:24px;
  -webkit-backdrop-filter:saturate(180%) blur(22px);backdrop-filter:saturate(180%) blur(22px);
  box-shadow:var(--shadow-s),inset 0 1px 0 rgba(255,255,255,.35);transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.35)}
.brand{display:flex;align-items:center;gap:11px;height:100%;direction:ltr}
.logo{height:36px;width:auto}
.brand-name{font:800 1.02rem/1 var(--font-en);letter-spacing:.2em;color:var(--text)}
.footer .logo{height:32px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;direction:ltr}
.footer .brand-name{font-size:.9rem}
.logo-on-dark{display:none}
:root[data-theme="dark"] .logo-on-light{display:none}
:root[data-theme="dark"] .logo-on-dark{display:block}
.main-nav{display:flex;gap:2px;padding:4px;border-radius:999px;background:var(--accent-soft);direction:ltr}
.nav-link{width:92px;padding-inline:8px;white-space:nowrap;text-align:center;padding:7px 14px;border-radius:999px;font-size:.92rem;font-weight:500;color:var(--text-2);transition:background .3s ease,color .3s ease,box-shadow .3s ease}
.main-nav .nav-link:hover{color:var(--text)}
.main-nav .nav-link.active{background:var(--surface);color:var(--text);box-shadow:0 1px 3px rgba(70,45,20,.14)}
:root[data-theme="dark"] .main-nav .nav-link.active{background:var(--surface-2)}
.header-actions{display:flex;align-items:center;gap:8px;direction:ltr}
.icon-btn{
  height:42px;min-width:42px;padding-inline:12px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:var(--accent-soft);color:var(--text);font-size:.82rem;font-weight:700;letter-spacing:.04em;
  transition:transform .3s var(--spring),background .25s ease;
}
.lang-btn{min-width:48px}
.icon-btn:active{transform:scale(.88)}
.theme-btn .ic{transition:transform .5s var(--spring)}
.theme-btn:active .ic{transform:rotate(25deg) scale(.9)}
.theme-btn .ic-moon{display:none}
:root[data-theme="dark"] .theme-btn .ic-sun{display:none}
:root[data-theme="dark"] .theme-btn .ic-moon{display:block}
.header-cta{width:150px;padding-inline:8px;white-space:nowrap}

/* ---------- Buttons / tags ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;height:52px;padding-inline:26px;border-radius:999px;
  font-weight:600;font-size:1rem;transition:transform .35s var(--spring),filter .2s ease,background .25s ease,box-shadow .3s ease;
}
.btn:active{transform:scale(.94)}
.btn-primary{background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 88%,#fff),var(--accent));color:var(--on-accent);box-shadow:0 12px 24px -12px var(--accent),inset 0 1px 0 rgba(255,255,255,.28)}
.btn-primary:hover{filter:brightness(1.07)}
.btn-primary .ic{transition:transform .4s var(--spring)}
.btn-primary:hover .ic{transform:translate(2px,-2px)}
.btn-soft{background:var(--accent-soft);color:var(--accent-strong)}
.btn-sm{height:42px;padding-inline:20px;font-size:.9rem;box-shadow:none}
.tag{display:inline-flex;align-items:center;padding:3px 12px;border-radius:999px;font-size:.78rem;font-weight:600;color:var(--text-2);background:var(--surface-2);border:1px solid var(--line)}
.tag-accent{background:var(--accent-soft);border-color:transparent;color:var(--accent-strong)}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--caramel);display:inline-block;flex:none}
.pill{display:inline-flex;align-items:center;gap:10px;padding:7px 16px;border-radius:999px;background:var(--card-bg);border:1px solid var(--card-line);box-shadow:var(--shadow-s),var(--card-hi);font-size:.9rem;font-weight:500;color:var(--text-2)}
.pill .dot{animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{50%{transform:scale(.6);opacity:.5}}

/* squircle icon tile (iOS app-icon feel) */
.sq{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;flex:none;color:#fff;background:linear-gradient(160deg,#E4AA6C,#B8742E);box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 6px 14px -8px rgba(138,79,20,.6)}
.sq-2{background:linear-gradient(160deg,#EFC793,#C98B4A)}
.sq-3{background:linear-gradient(160deg,#6E4E35,#3A2818)}
.sq-4{background:linear-gradient(160deg,#D89F60,#9A5B1A)}

/* iOS "material" card: translucent gradient, hairline, top highlight */
.card{background:var(--card-bg);border:1px solid var(--card-line);border-radius:var(--radius);box-shadow:var(--shadow),var(--card-hi);transition:background-color .4s ease,border-color .4s ease}
@media (min-width:821px){
  .glass{-webkit-backdrop-filter:blur(18px) saturate(170%);backdrop-filter:blur(18px) saturate(170%)}
}

/* ---------- Sections ---------- */
.section{padding-block:clamp(56px,9vw,112px)}
.section-head{max-width:640px;margin-bottom:clamp(28px,4vw,48px);display:grid;gap:12px}
h2{font-size:clamp(1.9rem,4.6vw,3rem);line-height:1.25;font-weight:800}
.section-head p{color:var(--text-2);font-size:1.05rem}

/* ---------- Hero ---------- */
.hero{padding-top:clamp(112px,14vw,150px);padding-bottom:clamp(40px,7vw,80px);display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,72px);align-items:center}
.hero-copy{display:grid;gap:24px;justify-items:start}
h1{font-size:clamp(2.3rem,6.2vw,4.4rem);line-height:1.22;font-weight:800;max-width:15ch}
body.english h1{line-height:1.06;max-width:12ch}
.lead{color:var(--text-2);font-size:clamp(1rem,1.5vw,1.14rem);max-width:48ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.hero-art{position:relative;justify-self:center;width:100%;max-width:470px;translate:0 calc(var(--py,0) * 1px)}
.hero-img{width:100%;border-radius:38px;box-shadow:var(--shadow),0 0 0 1px var(--card-line)}
.chip{
  position:absolute;display:flex;align-items:center;gap:12px;border-radius:999px;direction:ltr;
  background:var(--glass);border:1px solid var(--glass-line);box-shadow:var(--shadow-s),inset 0 1px 0 rgba(255,255,255,.4);font-size:.9rem;white-space:nowrap;
  -webkit-backdrop-filter:saturate(180%) blur(18px);backdrop-filter:saturate(180%) blur(18px);padding:10px 18px 10px 12px;
  translate:0 calc(var(--py,0) * -1.1px);
}
.chip-ic{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;background:linear-gradient(160deg,#E4AA6C,#B8742E)}
.chip-ic .ic{width:18px;height:18px}
.chip-a{top:22.5%;left:-6%;animation:bob 7s ease-in-out infinite alternate}
.chip-b{bottom:9%;right:-6%;animation:bob 8s ease-in-out -3s infinite alternate}
@keyframes bob{to{transform:translateY(-8px)}}

/* Dynamic-Island style project switcher */
.island{
  position:absolute;top:3.4%;left:50%;z-index:3;width:112px;height:36px;border-radius:20px;padding:0;overflow:hidden;
  background:#0B0705;color:#fff;translate:-50% 0;box-shadow:0 12px 26px -8px rgba(0,0,0,.55);
  transition:width .75s var(--spring),height .75s var(--spring),border-radius .75s var(--spring),transform .3s var(--spring);
}
.island:active{transform:scale(.96)}
.island.open{width:min(300px,92%);height:62px;border-radius:31px}
.island-idle{position:absolute;inset:0;display:flex;align-items:center;justify-content:flex-end;padding-right:14px;transition:opacity .25s ease}
.idle-dot{width:9px;height:9px;border-radius:50%;background:var(--caramel);box-shadow:0 0 0 4px rgba(198,134,66,.22);animation:pulse 2.4s ease-in-out infinite}
.island.open .island-idle{opacity:0}
.island-body{position:absolute;inset:0;display:flex;align-items:center;gap:12px;padding:0 12px;opacity:0;text-align:start;transition:opacity .2s ease}
.island.open .island-body{opacity:1;transition:opacity .35s ease .22s}
.island-ic{width:38px;height:38px;border-radius:12px}
.island-ic .ic{width:19px;height:19px}
.island-text{display:grid;min-width:0;line-height:1.35}
.island-text b{font-size:.92rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.island-text small{font-size:.76rem;color:rgba(255,255,255,.62);white-space:nowrap}

/* entrance + scroll reveal (spring, opacity/transform only) */
@keyframes rise{from{opacity:0;transform:translateY(18px) scale(.985)}to{opacity:1;transform:none}}
.hero-copy>*{animation:rise .9s var(--out) both}
.hero-copy>:nth-child(2){animation-delay:.08s}.hero-copy>:nth-child(3){animation-delay:.16s}.hero-copy>:nth-child(4){animation-delay:.24s}
.hero-img{animation:rise 1.1s var(--out) .12s both}
.js .reveal{opacity:0;transform:translateY(34px) scale(.975);transition:opacity .8s var(--out),transform 1s var(--out);transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- Projects ---------- */
.project-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.project{overflow:hidden;cursor:pointer;display:flex;flex-direction:column}
.project.in,.project:not(.reveal){transition:transform .5s var(--spring),box-shadow .35s ease,opacity .8s var(--out)}
@media (hover:hover){.project:hover{transform:translateY(-6px)!important}}
.project:active{transform:scale(.975)!important}
.project-wide{grid-column:1/-1;flex-direction:row}
.project-visual{position:relative;overflow:hidden;background:var(--bg-2)}
.project-visual img:first-child{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .8s var(--out)}
@media (hover:hover){.project:hover .project-visual img:first-child{transform:scale(1.04)}}
.project-wide .project-visual{flex:1.25}
.project-wide .project-visual img:first-child{height:100%}
.game-icon{position:absolute;inset-inline-end:16px;bottom:16px;width:64px;height:64px;border-radius:18px;border:2px solid rgba(255,255,255,.85);box-shadow:0 10px 22px -8px rgba(0,0,0,.55)}
.project-body{padding:clamp(20px,3vw,32px);display:grid;gap:12px;align-content:start;justify-items:start;flex:1}
.project-wide .project-body{flex:1;align-content:center;padding:clamp(24px,4vw,48px)}
h3{font-size:1.45rem;line-height:1.3;font-weight:800}
.project-body p{color:var(--text-2);font-size:.98rem}
.project-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;width:100%;margin-top:auto;padding-top:8px}
.more{display:inline-flex;align-items:center;gap:2px;color:var(--accent-strong);font-weight:600;font-size:.92rem}
.more .ic{width:18px;height:18px;transition:transform .4s var(--spring)}
@media (hover:hover){.project:hover .more .ic{transform:translateX(3px)}[dir="rtl"] .project:hover .more .ic{transform:scaleX(-1) translateX(3px)}}
.projects-end{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:36px;color:var(--text-3);font-size:.95rem}

/* ---------- About ---------- */
.band{background:linear-gradient(180deg,transparent,rgba(198,134,66,.08) 20%,rgba(198,134,66,.08) 80%,transparent)}
.about-card{display:grid;grid-template-columns:.8fr 1.2fr;overflow:hidden;gap:0}
.about-copy{padding:clamp(24px,5vw,56px);display:grid;gap:20px;justify-items:start;align-content:center}
.about-copy p{color:var(--text-2)}
.list{width:100%;border-radius:22px;background:var(--surface-2);border:1px solid var(--line);overflow:hidden}
.list li{display:flex;align-items:center;gap:14px;padding:12px 16px}
.list li+li{border-top:1px solid var(--line)}
.list .sq{width:40px;height:40px;border-radius:12px}
.list .sq .ic{width:20px;height:20px}
.li-text{display:grid;line-height:1.5}
.li-text b{font-weight:700;font-size:.98rem}
.li-text small{color:var(--text-2);font-size:.84rem}

/* ---------- Toolkit ---------- */
.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tool{padding:22px;display:grid;gap:6px;justify-items:start;align-content:start;transition:transform .45s var(--spring),opacity .8s var(--out)}
.tool:active{transform:scale(.95)!important}
.tool .sq{margin-bottom:10px;width:52px;height:52px;border-radius:16px}
.tool b{font-size:1.05rem;font-weight:700}
.tool small{color:var(--text-2);font-size:.88rem;line-height:1.6}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:stretch}
.list-card{display:flex;flex-direction:column;justify-content:center;padding:8px}
.row{display:flex;align-items:center;gap:16px;padding:16px;border-radius:22px;transition:background .2s ease,transform .35s var(--spring)}
.row:hover{background:var(--accent-soft)}
.row:active{transform:scale(.97)}
.row-text{display:grid;flex:1;min-width:0}
.row-text small{color:var(--text-3);font-size:.8rem;line-height:1.5}
.row-text b{font-weight:600;font-size:1.02rem;overflow-wrap:anywhere;text-align:start}
.row .chev{color:var(--text-3);width:18px;height:18px}

/* ---------- Footer ---------- */
.footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 24px;padding-block:36px 48px;border-top:1px solid var(--line);color:var(--text-2);font-size:.92rem}
.back-top{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--accent-strong)}
.back-top .ic{width:16px;height:16px}
.copy{flex-basis:100%;color:var(--text-3);text-align:center;font-size:.8rem}

/* ---------- iOS tab bar (mobile) ---------- */
.tabbar{display:none}

/* ---------- Bottom sheet ---------- */
.sheet-backdrop{position:fixed;inset:0;z-index:80;background:rgba(20,12,6,.45);opacity:0;visibility:hidden;transition:opacity .4s ease,visibility 0s linear .4s}
.sheet{
  position:fixed;left:0;right:0;bottom:0;margin-inline:auto;z-index:90;width:min(760px,100%);max-height:90vh;max-height:90dvh;
  background:var(--surface);border-radius:34px 34px 0 0;border:1px solid var(--line);border-bottom:0;box-shadow:0 -24px 70px -20px rgba(0,0,0,.45);
  transform:translateY(105%);visibility:hidden;transition:transform .6s var(--ease),visibility 0s linear .6s;display:flex;flex-direction:column;touch-action:pan-y;
}
body.sheet-open .sheet-backdrop{opacity:1;visibility:visible;transition:opacity .4s ease}
body.sheet-open .sheet{transform:none;visibility:visible;transition:transform .6s var(--ease)}
body.sheet-open{overflow:hidden}
.grabber{width:42px;height:5px;border-radius:3px;background:var(--text-3);opacity:.35;margin:10px auto 0;flex:none}
.sheet-close{position:absolute;top:14px;inset-inline-end:14px;z-index:2;background:var(--glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.sheet-scroll{overflow-y:auto;overscroll-behavior:contain;min-height:0;padding:14px 22px calc(32px + env(safe-area-inset-bottom));display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.sheet-scroll>*{flex:none;max-width:100%}
.sheet-visual{width:100%;position:relative;border-radius:24px;overflow:hidden;background:var(--bg-2)}
.sheet-visual img{width:100%;aspect-ratio:3/2;object-fit:cover}
.sheet-visual .game-icon{aspect-ratio:1;width:56px;height:56px}
.sheet-lead{font-weight:600;color:var(--text)!important;font-size:1.05rem}
.sheet-scroll p{color:var(--text-2)}
.sheet-sub{font-size:.95rem;font-weight:700;color:var(--text-3);margin-top:8px}
.feature-list li{align-items:flex-start}
.feature-list .sq{margin-top:2px}
.kv{width:100%;border-radius:22px;background:var(--surface-2);border:1px solid var(--line);overflow:hidden}
.kv div{display:flex;justify-content:space-between;gap:16px;padding:12px 16px}
.kv div+div{border-top:1px solid var(--line)}
.kv dt{color:var(--text-3);font-size:.9rem}
.kv dd{font-weight:600;font-size:.92rem;text-align:end}
.sheet-open .sheet-scroll>*{animation:rise .7s var(--out) both}
.sheet-open .sheet-scroll>:nth-child(2){animation-delay:.06s}.sheet-open .sheet-scroll>:nth-child(n+3){animation-delay:.12s}


/* ---------- Project names (Persian + English always shown) ---------- */
.pname{display:grid;gap:2px;line-height:1.25}
.pname .n1{font-size:1.5rem;font-weight:800}
.pname .n2{font-size:.9rem;font-weight:600;color:var(--text-3);letter-spacing:.06em;text-align:start}
body.english .pname .n2{letter-spacing:0;font-size:.95rem}

/* ---------- About: iOS-widget composition ---------- */
.about-art{position:relative;min-height:100%;overflow:hidden;background:
  radial-gradient(70% 50% at 20% 10%,rgba(255,255,255,.55),transparent 70%),
  linear-gradient(160deg,#F6DDB8,#E0A465 55%,#B8742E);}
:root[data-theme="dark"] .about-art{background:radial-gradient(70% 50% at 20% 10%,rgba(255,214,170,.18),transparent 70%),linear-gradient(160deg,#3A2616,#241710 60%,#150E09)}
.about-logo{position:absolute;top:50%;left:50%;height:46%;width:auto;translate:-50% -58%;opacity:.95}
.widget{position:absolute;display:grid;gap:2px;padding:14px 18px;border-radius:24px;background:var(--glass);border:1px solid var(--glass-line);box-shadow:var(--shadow-s),inset 0 1px 0 rgba(255,255,255,.4);
  -webkit-backdrop-filter:blur(16px) saturate(170%);backdrop-filter:blur(16px) saturate(170%);color:var(--text);min-width:140px}
.widget small{color:var(--text-2);font-size:.78rem;font-weight:600}
.widget b{font-size:1.05rem;font-weight:800;line-height:1.3}
.widget span:not(.sq){font-size:.78rem;color:var(--text-2)}
.w-a b{font-size:2.4rem;line-height:1}
.w-a{top:18px;inset-inline-start:18px}
.w-b{bottom:92px;inset-inline-end:18px}
.w-c{bottom:18px;inset-inline-start:18px;display:flex;align-items:center;gap:12px}
.about-role{color:var(--accent-strong)!important;font-weight:600;font-size:.95rem}

/* ---------- Contact: iMessage-style conversation ---------- */
.contact-art{position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:center;gap:12px;padding:28px;direction:ltr;background:
  radial-gradient(70% 60% at 85% 0%,rgba(255,255,255,.5),transparent 70%),
  linear-gradient(160deg,#F8E2C2,#E2AB6D 60%,#B8742E)}
:root[data-theme="dark"] .contact-art{background:radial-gradient(70% 60% at 85% 0%,rgba(255,214,170,.16),transparent 70%),linear-gradient(160deg,#3A2616,#241710 60%,#150E09)}
.chat-logo{position:absolute;right:-6%;bottom:-10%;height:78%;width:auto;opacity:.16}
.bubble{position:relative;max-width:78%;padding:12px 18px;border-radius:24px;font-size:.98rem;line-height:1.6;direction:auto;unicode-bidi:plaintext;box-shadow:var(--shadow-s)}
.b-in{align-self:flex-start;background:rgba(255,255,255,.9);color:#2A1D13;border-bottom-left-radius:8px}
.b-out{align-self:flex-end;background:linear-gradient(180deg,#B8742E,#9A5B1A);color:#fff;border-bottom-right-radius:8px}
:root[data-theme="dark"] .b-in{background:rgba(255,236,214,.14);color:var(--text);border:1px solid var(--glass-line)}
.b-typing{align-self:flex-start;display:flex;gap:5px;padding:14px 18px;background:rgba(255,255,255,.9);border-bottom-left-radius:8px}
:root[data-theme="dark"] .b-typing{background:rgba(255,236,214,.14)}
.b-typing i{width:8px;height:8px;border-radius:50%;background:#B8742E;animation:typing 1.2s ease-in-out infinite}
.b-typing i:nth-child(2){animation-delay:.15s}.b-typing i:nth-child(3){animation-delay:.3s}
@keyframes typing{0%,60%,100%{transform:translateY(0);opacity:.45}30%{transform:translateY(-5px);opacity:1}}
.js .reveal .bubble{opacity:0;transform:translateY(14px) scale(.96);transition:opacity .6s var(--out),transform .7s var(--spring)}
.js .reveal.in .bubble{opacity:1;transform:none}
.js .reveal.in .b-out{transition-delay:.45s}.js .reveal.in .b-typing{transition-delay:.9s}

/* ---------- Sheet gallery (swipeable, snap) ---------- */
.gallery-wrap{width:100%;display:grid;gap:14px}
.gallery{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;padding:4px 22px 14px;margin-inline:-22px;width:calc(100% + 44px);scrollbar-width:none;overscroll-behavior-x:contain}
.gallery::-webkit-scrollbar{display:none}
.shot{flex:none;scroll-snap-align:center;margin:0;display:grid;gap:8px;justify-items:center}
.shot img{border-radius:22px;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--bg-2)}
.shot.phone img{height:min(420px,52vh);width:auto;aspect-ratio:540/1170}
.shot.win img{width:min(520px,78vw);height:auto}
.shot figcaption{font-size:.8rem;color:var(--text-3);font-weight:600}
.sheet{width:min(760px,100%)}
.sheet-visual img{aspect-ratio:3/2}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .tool-grid{grid-template-columns:repeat(2,1fr)}
  .about-card{grid-template-columns:1fr}
  .about-art{min-height:340px}
  .contact-grid{grid-template-columns:1fr}
  .contact-art{min-height:300px}
}
@media (max-width:820px){
  .main-nav,.header-cta{display:none}
  .site-header{height:58px;border-radius:22px;padding-inline:16px 8px}
  .logo{height:32px}
  .brand-name{font-size:.95rem}
  body{padding-bottom:calc(var(--tab-h) + 24px + env(safe-area-inset-bottom))}
  .hero{grid-template-columns:1fr;padding-top:104px;gap:36px}
  h1{max-width:none}
  .hero-art{max-width:400px}
  .hero-img{aspect-ratio:1/1.05;object-fit:cover;border-radius:32px}
  .chip{font-size:.82rem}.chip-a{left:8px;top:22%}.chip-b{right:8px;bottom:18px}
  .project-grid{grid-template-columns:1fr}
  .project-wide{flex-direction:column}
  .project-wide .project-visual img:first-child{height:auto}
  .tabbar{
    display:grid;grid-template-columns:repeat(4,1fr);position:fixed;z-index:60;left:12px;right:12px;bottom:max(10px,env(safe-area-inset-bottom));
    height:var(--tab-h);padding:6px;border-radius:28px;background:var(--glass);border:1px solid var(--glass-line);
    box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.35);
    -webkit-backdrop-filter:saturate(180%) blur(24px);backdrop-filter:saturate(180%) blur(24px);
  }
  .tab{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border-radius:22px;color:var(--text-3);font-size:.7rem;font-weight:600;padding:0;min-width:0;transition:color .3s ease,background .3s ease,transform .35s var(--spring)}
  .tab .ic{width:23px;height:23px;transition:transform .45s var(--spring)}
  .tab:active{transform:scale(.9)}
  .tab.active{color:var(--accent-strong);background:var(--accent-soft)}
  .tab.active .ic{transform:translateY(-1px) scale(1.1)}
  .sheet{width:100%}
}
@media (max-width:480px){
  .container{width:calc(100% - 32px)}
  .hero-actions .btn{flex:1 1 100%}
  .tool-grid{gap:12px}.tool{padding:18px}
  .footer{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .blob,.chip,.pill .dot,.idle-dot{animation:none!important}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
  .js .reveal{opacity:1;transform:none}
}