:root{--bg:#070711;--bg2:#101027;--surface:rgba(18,18,38,.68);--surface-solid:#111126;--text:#f7f7ff;--muted:#a9aac2;--line:rgba(255,255,255,.12);--primary:#786cff;--secondary:#00c8df;--shadow:0 24px 80px rgba(0,0,0,.35);--radius:24px}
:root.light{--bg:#f5f7ff;--bg2:#e9edff;--surface:rgba(255,255,255,.72);--surface-solid:#fff;--text:#151528;--muted:#62657b;--line:rgba(20,20,45,.12);--shadow:0 24px 70px rgba(45,49,90,.15)}
*{box-sizing:border-box}html{scroll-padding-top:100px;color-scheme:dark}html.light{color-scheme:light}body{margin:0;min-height:100vh;font-family:'Vazirmatn',Tahoma,Arial,sans-serif;color:var(--text);background:radial-gradient(circle at 10% 10%,rgba(120,108,255,.18),transparent 30%),radial-gradient(circle at 90% 70%,rgba(0,200,223,.12),transparent 28%),linear-gradient(135deg,var(--bg),var(--bg2));overflow-x:hidden;line-height:1.9;transition:background .35s,color .35s}a{color:inherit}img{max-width:100%}.container{width:min(1120px,calc(100% - 32px));margin:auto}.glass{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.glass{background:var(--surface-solid)}}

/* Header */
.site-header{position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:1000;width:min(1120px,calc(100% - 24px));border-radius:18px;background:rgba(10,10,24,.66);border:1px solid rgba(255,255,255,.13);backdrop-filter:blur(18px);box-shadow:0 12px 45px rgba(0,0,0,.24)}:root.light .site-header{background:rgba(255,255,255,.72)}.header-inner{min-height:66px;padding:0 18px;display:flex;align-items:center;gap:20px}.logo{font-weight:900;letter-spacing:2px;text-decoration:none;font-size:1.08rem}.nav{display:flex;align-items:center;gap:5px;margin-right:auto}.nav a,.theme-toggle,.menu-toggle{border:0;background:transparent;text-decoration:none;color:var(--muted);padding:9px 12px;border-radius:11px;font:inherit;cursor:pointer;transition:.25s}.nav a:hover,.nav a.active,.theme-toggle:hover{color:var(--text);background:rgba(127,120,255,.12)}.header-actions{display:flex;gap:6px;align-items:center}.menu-toggle{display:none}.theme-toggle{font-size:1.15rem;line-height:1}

/* Hero */
.hero{min-height:100vh;display:grid;place-items:center;padding:150px 0 90px;position:relative}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:55px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border:1px solid var(--line);border-radius:999px;background:rgba(120,108,255,.09);color:var(--secondary);font-size:.88rem}.hero h1{font-size:clamp(2.4rem,6vw,5rem);line-height:1.2;margin:18px 0;font-weight:900;letter-spacing:-1px}.gradient{background:linear-gradient(90deg,var(--primary),var(--secondary));-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{color:var(--muted);font-size:1.1rem;max-width:680px}.hero-buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 20px;border-radius:13px;text-decoration:none;font-weight:700;border:1px solid var(--line);transition:.3s;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;border:0;box-shadow:0 12px 35px rgba(70,80,220,.28)}.btn-secondary{background:var(--surface);color:var(--text)}.btn:hover{transform:translateY(-4px);box-shadow:0 14px 35px rgba(0,0,0,.22)}.btn:active{transform:translateY(-1px)}
.hero-card{position:relative;padding:30px;border-radius:30px;overflow:hidden}.hero-card::before{content:'';position:absolute;width:220px;height:220px;right:-100px;top:-90px;background:var(--primary);filter:blur(45px);opacity:.4}.code-window{position:relative;border-radius:18px;background:#080810;border:1px solid rgba(255,255,255,.1);padding:22px;color:#d9dcff;direction:ltr;text-align:left;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9rem;box-shadow:0 25px 70px rgba(0,0,0,.35)}.code-top{display:flex;gap:6px;margin-bottom:20px}.dot{width:9px;height:9px;border-radius:50%;background:#555}.code-line{margin:8px 0}.code-key{color:#8e82ff}.code-string{color:#55d7c8}.code-comment{color:#73758c}

/* Sections */
.section{padding:90px 0}.section-head{text-align:center;margin-bottom:42px}.section-head h2{font-size:clamp(1.8rem,4vw,3rem);margin:10px 0;font-weight:900}.section-head p{color:var(--muted);max-width:650px;margin:auto}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.service-card,.portfolio-card,.skill-card,.about-card,.contact-card{border-radius:var(--radius);padding:28px;position:relative;overflow:hidden;transition:transform .35s,box-shadow .35s,border-color .35s}.service-card:hover,.portfolio-card:hover,.skill-card:hover,.about-card:hover,.contact-card:hover{transform:translateY(-8px);box-shadow:0 25px 70px rgba(0,0,0,.28);border-color:rgba(120,108,255,.4)}.service-icon{width:62px;height:62px;display:grid;place-items:center;border-radius:17px;background:linear-gradient(135deg,rgba(120,108,255,.2),rgba(0,200,223,.15));font-size:1.8rem;margin-bottom:18px}.service-card h3,.portfolio-card h3,.skill-card h3{margin:0 0 9px;font-size:1.35rem}.service-card p,.portfolio-card p,.skill-card p,.about-card p{color:var(--muted);margin:0}.card-link{display:inline-flex;margin-top:20px;color:var(--secondary);text-decoration:none;font-weight:700}.card-link:hover{gap:7px}

.portfolio-card{min-height:250px}.portfolio-visual{height:130px;border-radius:18px;margin-bottom:18px;background:linear-gradient(135deg,rgba(120,108,255,.38),rgba(0,200,223,.2));border:1px solid var(--line);display:grid;place-items:center;font-size:3rem}.skills{display:grid;gap:18px}.skill-row{display:grid;gap:7px}.skill-meta{display:flex;justify-content:space-between;font-size:.9rem}.bar{height:9px;border-radius:99px;background:rgba(127,127,160,.16);overflow:hidden}.bar span{display:block;height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--primary),var(--secondary));transition:width .9s cubic-bezier(.2,.75,.25,1)}.bar span.animate{width:var(--value)}.about-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px;align-items:stretch}.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.stat{padding:18px;border-radius:17px;background:rgba(127,120,255,.08);border:1px solid var(--line)}.stat strong{font-size:1.7rem;display:block}.stat span{color:var(--muted);font-size:.88rem}

/* Contact/footer */
.contact-box{display:grid;grid-template-columns:1fr auto;gap:25px;align-items:center}.contact-box h2{margin:0 0 8px}.contact-box p{color:var(--muted);margin:0}.site-footer{margin-top:60px;padding:38px 0 25px;border-top:1px solid var(--line);background:rgba(5,5,14,.28)}:root.light .site-footer{background:rgba(255,255,255,.3)}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:30px}.footer-title{font-weight:800;margin-bottom:10px}.footer-text{color:var(--muted);margin:0}.footer-links{display:grid;gap:7px}.footer-links a{text-decoration:none;color:var(--muted)}.footer-links a:hover{color:var(--text)}.copyright{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;text-align:center}

/* Scramble */
.scramble{display:inline-block}.scramble-text{white-space:pre-wrap}.scramble-target{min-height:1em}

/* Entrance */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .75s ease,transform .75s ease}.reveal.visible{opacity:1;transform:none}.delay-1{transition-delay:.1s}.delay-2{transition-delay:.2s}.delay-3{transition-delay:.3s}

/* responsive */
@media(max-width:900px){.hero-grid,.about-layout{grid-template-columns:1fr}.hero-card{max-width:700px;margin:auto}.grid-3{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.contact-box{grid-template-columns:1fr}}
@media(max-width:700px){.site-header{top:10px}.header-inner{min-height:58px}.menu-toggle{display:block}.nav{position:absolute;top:calc(100% + 9px);right:0;left:0;display:none;flex-direction:column;align-items:stretch;padding:10px;background:var(--surface-solid);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.nav.open{display:flex}.nav a{text-align:right}.header-actions{margin-right:auto}.hero{padding-top:125px}.hero h1{font-size:2.45rem}.hero p{font-size:1rem}.grid-3,.grid-2,.footer-grid{grid-template-columns:1fr}.section{padding:65px 0}.service-card,.portfolio-card,.skill-card,.about-card,.contact-card{padding:23px}.container{width:min(100% - 24px,1120px)}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}

/* Footer contact links */
.site-footer .footer-links a[href^="mailto"],
.site-footer .footer-links a[href^="tel"] {
  direction: ltr;
  unicode-bidi: plaintext;
  display: inline-block;
}
.site-footer .copyright strong { font-weight: 800; }

/* Accessibility & interaction polish */
:focus-visible{outline:3px solid var(--secondary);outline-offset:3px}
.skip-link{position:fixed;top:10px;right:10px;z-index:2000;padding:10px 16px;border-radius:10px;background:var(--surface-solid);color:var(--text);border:1px solid var(--line);transform:translateY(-150%);transition:transform .2s}
.skip-link:focus{transform:translateY(0)}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.btn:hover,.service-card:hover,.portfolio-card:hover,.skill-card:hover,.about-card:hover,.contact-card:hover{transform:none}}

/* Production accessibility / interaction safeguards */
@media(max-width:700px){.nav[aria-hidden="false"]{visibility:visible}.nav[aria-hidden="true"]{visibility:hidden}.site-header{isolation:isolate}}
@media(hover:none){.btn:hover,.service-card:hover,.portfolio-card:hover,.skill-card:hover,.about-card:hover,.contact-card:hover{transform:none;box-shadow:var(--shadow)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.scramble{animation:none!important}.bar span{transition:none!important;width:var(--value)!important}}


/* Multilingual navigation */
.language-switcher{position:relative;z-index:5}
.language-switcher summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:6px;color:var(--muted);padding:9px 11px;border-radius:11px;transition:.25s;user-select:none}
.language-switcher summary::-webkit-details-marker{display:none}
.language-switcher summary:hover,.language-switcher[open] summary{color:var(--text);background:rgba(127,120,255,.12)}
.language-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:145px;padding:7px;background:var(--surface-solid);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);display:grid;gap:3px}
.language-menu a{display:block;text-decoration:none;color:var(--muted);padding:8px 10px;border-radius:9px;white-space:nowrap}
.language-menu a:hover,.language-menu a.current{background:rgba(127,120,255,.12);color:var(--text)}
html[lang="en"] body,html[lang="ru"] body{font-family:Inter,Segoe UI,Arial,sans-serif}
html[lang="ar"] body{font-family:'Vazirmatn',Tahoma,Arial,sans-serif}
html[dir="ltr"] .language-menu{left:0;right:auto}
html[dir="ltr"] .nav{margin-left:auto;margin-right:0}
@media(max-width:700px){.language-switcher summary span{display:none}.language-menu{right:auto;left:0}.header-actions{gap:2px}.language-switcher summary{padding:9px 8px}}

/* Country flags in language selector */
.language-switcher summary{justify-content:center}
.language-menu a{display:flex;align-items:center;gap:9px}
.language-flag{width:22px;height:15px;object-fit:cover;display:inline-block;flex:0 0 auto;border-radius:2px;box-shadow:0 0 0 1px rgba(255,255,255,.10)}
html[lang="zh"] body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif}
html[lang="zh"] .nav a,html[lang="zh"] .language-menu a,html[lang="zh"] .language-switcher summary{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif}
@media(max-width:700px){.language-switcher summary span{display:none}.language-flag{width:24px;height:16px}.language-menu{min-width:150px}}

/* ===== Prototype v2 — visual system & interaction layer ===== */
:root{
  --aurora-a:rgba(120,108,255,.20);
  --aurora-b:rgba(0,200,223,.15);
  --aurora-c:rgba(236,72,153,.10);
  --header-bg:rgba(8,8,20,.72);
}
:root.light{
  --aurora-a:rgba(120,108,255,.14);
  --aurora-b:rgba(0,180,210,.10);
  --aurora-c:rgba(236,72,153,.07);
  --header-bg:rgba(255,255,255,.80);
}
html{scroll-padding-top:112px}
body{
  background:
    radial-gradient(700px 500px at 8% 8%,var(--aurora-a),transparent 65%),
    radial-gradient(650px 500px at 92% 35%,var(--aurora-b),transparent 62%),
    radial-gradient(600px 500px at 52% 100%,var(--aurora-c),transparent 62%),
    linear-gradient(135deg,var(--bg),var(--bg2));
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.18;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:linear-gradient(to bottom,black,transparent 90%);
}
.site-header{
  background:var(--header-bg);
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease,background .35s ease;
}
.site-header.header-hidden{transform:translate(-50%,-130%)}
.site-header.header-scrolled{box-shadow:0 18px 55px rgba(0,0,0,.30);border-color:rgba(120,108,255,.28)}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;filter:blur(50px);z-index:-1;
}
.hero::before{width:280px;height:280px;left:-90px;top:18%;background:var(--primary);opacity:.12;animation:floatOrb 9s ease-in-out infinite}
.hero::after{width:240px;height:240px;right:4%;bottom:8%;background:var(--secondary);opacity:.10;animation:floatOrb 11s ease-in-out infinite reverse}
.hero h1{max-width:850px}
.eyebrow{box-shadow:0 0 0 1px rgba(0,200,223,.03),0 8px 30px rgba(0,0,0,.08)}
.btn-primary{background-size:180% 180%;animation:gradientShift 7s ease infinite}
.btn-primary:hover{box-shadow:0 18px 45px rgba(80,90,230,.34)}
.hero-card{isolation:isolate}
.hero-card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(135deg,rgba(120,108,255,.55),transparent 42%,rgba(0,200,223,.35));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.service-card,.portfolio-card,.skill-card,.about-card,.contact-card{will-change:transform}
.portfolio-card{display:flex;flex-direction:column}
.portfolio-card .card-link{margin-top:auto}
.portfolio-card[hidden]{display:none}
.portfolio-visual{position:relative;overflow:hidden}
.portfolio-visual::after{
  content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 20%,rgba(255,255,255,.12),transparent 80%);
  transform:translateX(-120%);transition:transform .7s ease;
}
.portfolio-card:hover .portfolio-visual::after{transform:translateX(120%)}
.portfolio-filters{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin:-18px 0 28px}
.filter-btn{
  border:1px solid var(--line);background:var(--surface);color:var(--muted);padding:9px 14px;border-radius:999px;
  font:inherit;cursor:pointer;transition:.25s;
}
.filter-btn:hover,.filter-btn.active{color:var(--text);background:rgba(120,108,255,.14);border-color:rgba(120,108,255,.35)}
.project-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
.project-tag{font-size:.76rem;padding:4px 8px;border-radius:999px;background:rgba(120,108,255,.09);color:var(--muted);border:1px solid var(--line)}
.contact-form{margin-top:26px;display:grid;gap:14px}
.contact-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-field{display:grid;gap:6px}
.form-field label{font-size:.88rem;font-weight:700}
.form-field input,.form-field select,.form-field textarea{
  width:100%;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.035);color:var(--text);
  padding:12px 13px;font:inherit;outline:none;transition:.25s;
}
.form-field textarea{min-height:130px;resize:vertical}

.form-field select{color-scheme:dark}
.form-field select option{background:#171827;color:#f8fafc}
html.light .form-field select{color-scheme:light}
html.light .form-field select option{background:#fff;color:#111827}
html.light .form-field select option:checked{background:#dbeafe;color:#111827}
.form-field select option:checked{background:#2b3150;color:#fff}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--secondary);box-shadow:0 0 0 3px rgba(0,200,223,.10)}
.form-note{font-size:.8rem;color:var(--muted);margin:0}
.form-status{min-height:1.5em;color:var(--secondary);font-size:.9rem}
.contact-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.scroll-progress{position:fixed;top:0;left:0;width:100%;height:3px;z-index:3000;pointer-events:none}
.scroll-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--secondary),#ec4899);box-shadow:0 0 14px rgba(0,200,223,.4);transform-origin:left}
.back-to-top{
  position:fixed;right:22px;bottom:22px;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;
  background:var(--surface-solid);color:var(--text);display:grid;place-items:center;cursor:pointer;z-index:900;
  opacity:0;visibility:hidden;transform:translateY(12px);transition:.25s;box-shadow:var(--shadow)
}
.back-to-top.visible{opacity:1;visibility:visible;transform:none}

.stats-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
.mini-stat{padding:16px;border:1px solid var(--line);border-radius:16px;background:rgba(127,120,255,.06)}
.mini-stat strong{display:block;font-size:1.2rem}.mini-stat span{color:var(--muted);font-size:.8rem}
@keyframes gradientShift{0%,100%{background-position:0 50%}50%{background-position:100% 50%}}
@keyframes floatOrb{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(18px,-20px,0)}}
@media(max-width:700px){
  .contact-form-grid,.stats-strip{grid-template-columns:1fr}
  .back-to-top{right:14px;bottom:14px}
  .hero::before,.hero::after{display:none}
}
@media(prefers-reduced-motion:reduce){
  .hero::before,.hero::after,.btn-primary{animation:none}
  body{cursor:auto}
}


/* Similar consultation CTA */
.similar-cta{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  margin-top:1rem;
  color:#22d3ee;
  font-weight:700;
  text-decoration:none;
  transition:transform .2s ease,color .2s ease;
}
.similar-cta:hover{
  color:#67e8f9;
  transform:translateX(-3px);
}
html[dir="ltr"] .similar-cta:hover{
  transform:translateX(3px);
}
@media (prefers-reduced-motion:reduce){
  .similar-cta{transition:none}
  .similar-cta:hover{transform:none}
}

/* Multilingual contact section */
.contact-section{padding:6rem 0}
.contact-section .section-heading{text-align:center;max-width:760px;margin:0 auto 2.5rem}
.contact-card{max-width:1120px;margin:auto;padding:2rem;border:1px solid rgba(255,255,255,.12);border-radius:24px;background:rgba(16,16,30,.7);backdrop-filter:blur(16px)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
.contact-form label{display:flex;flex-direction:column;gap:.55rem}
.contact-form label span{font-weight:700}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;box-sizing:border-box;border:1px solid rgba(255,255,255,.13);border-radius:14px;background:#191a2b;color:#f8fafc;padding:.9rem 1rem;font:inherit;outline:none}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:#22d3ee;box-shadow:0 0 0 3px rgba(34,211,238,.12)}
.contact-form option{background:#191a2b;color:#f8fafc}
.form-full{margin-top:1.25rem}
.contact-form textarea{resize:vertical;min-height:130px}
.contact-form .primary-button{margin-top:1.25rem}
.form-note{margin-top:1rem;opacity:.7}
@media(max-width:760px){.form-grid{grid-template-columns:1fr}.contact-card{padding:1.25rem}.contact-section{padding:4rem 0}}

/* Final responsive polish */
img,svg,video{max-width:100%;height:auto}
html{overflow-x:hidden}
body{overflow-x:hidden}
@media (max-width: 700px){
  .container{width:min(100% - 28px,1120px)}
  .hero{padding-top:110px}
  .hero-grid{gap:28px}
  .hero-buttons .btn{width:100%}
  .portfolio-card,.service-card,.skill-card,.about-card{min-width:0}
  .contact-card{width:100%;box-sizing:border-box}
  .contact-form input,.contact-form select,.contact-form textarea{font-size:16px}
  .language-menu{max-width:calc(100vw - 32px)}
}
@media (max-width: 380px){
  .container{width:min(100% - 20px,1120px)}
  .nav a,.theme-toggle,.menu-toggle{padding:8px 9px}
  .filter-btn{padding:8px 11px}
  .mini-stat{padding:13px}
}

/* ===== Page layout ===== */
body{display:flex;flex-direction:column;min-height:100vh}
main{flex:1}
.site-footer{margin-top:auto}

/* ===== Contact popup ===== */
.contact-modal{position:fixed;inset:0;z-index:3000;display:grid;place-items:center;padding:20px;background:rgba(3,3,12,.72);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .25s ease,visibility .25s ease}
.contact-modal.open{opacity:1;visibility:visible;pointer-events:auto}
.contact-dialog{width:min(560px,100%);max-height:min(760px,calc(100vh - 40px));overflow:auto;padding:28px;border-radius:26px;background:var(--surface-solid);border:1px solid var(--line);box-shadow:0 30px 100px rgba(0,0,0,.45);transform:translateY(18px) scale(.98);transition:transform .25s ease}
.contact-modal.open .contact-dialog{transform:none}
.contact-modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:20px}
.contact-modal-head h2{margin:0 0 5px;font-size:1.7rem}
.contact-modal-head p{margin:0;color:var(--muted);font-size:.95rem}
.contact-modal-close{width:42px;height:42px;flex:0 0 42px;border:1px solid var(--line);border-radius:13px;background:rgba(127,120,255,.08);color:var(--text);font:inherit;font-size:1.35rem;cursor:pointer;transition:.2s}
.contact-modal-close:hover{background:rgba(127,120,255,.18);transform:rotate(4deg)}
.contact-list{display:grid;gap:12px}
.contact-item{display:flex;align-items:center;gap:14px;padding:15px 16px;border:1px solid var(--line);border-radius:17px;background:rgba(127,120,255,.055);text-decoration:none;transition:transform .2s,border-color .2s,background .2s}
.contact-item:hover{transform:translateY(-2px);border-color:rgba(120,108,255,.42);background:rgba(127,120,255,.10)}
.contact-item-icon{width:43px;height:43px;display:grid;place-items:center;flex:0 0 43px;border-radius:13px;background:linear-gradient(135deg,rgba(120,108,255,.20),rgba(0,200,223,.15));font-size:1.2rem}
.contact-item-copy{min-width:0}
.contact-item-label{display:block;color:var(--muted);font-size:.8rem;margin-bottom:1px}
.contact-item-value{display:block;font-weight:700;overflow-wrap:anywhere}
.contact-modal-note{margin:18px 0 0;padding-top:15px;border-top:1px solid var(--line);color:var(--muted);font-size:.82rem;text-align:center}
body.modal-open{overflow:hidden}
@media(max-width:700px){.contact-dialog{padding:22px;border-radius:22px}.contact-modal{padding:12px}.contact-item{padding:13px 14px}}
@media(prefers-reduced-motion:reduce){.contact-modal,.contact-dialog{transition:none}}

/* ===== Consistent page system ===== */
body{display:flex;flex-direction:column;min-height:100vh}
main{flex:1;width:100%}
.page-intro{min-height:calc(100vh - 110px);padding-top:150px;padding-bottom:80px}
.page-intro .section-head{max-width:860px}
.page-intro .section-head h1{font-size:clamp(2.35rem,5vw,4.25rem);line-height:1.25;margin:18px 0}
.page-intro .section-head>p{max-width:780px}
.service-detail-grid .service-card{min-height:235px}
.service-detail-grid .service-card h2{font-size:1.25rem;margin:0 0 8px}
.principles-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:26px}
.principle{padding:17px;border:1px solid var(--line);border-radius:17px;background:rgba(127,120,255,.055)}
.principle strong{display:block;margin-bottom:4px}.principle span{display:block;color:var(--muted);font-size:.9rem;line-height:1.8}
.about-highlight{margin:22px 0;padding:20px;border-radius:18px;border:1px solid var(--line);background:linear-gradient(135deg,rgba(120,108,255,.10),rgba(0,200,223,.06));display:grid;gap:6px}
.about-highlight span{color:var(--secondary);font-weight:800;letter-spacing:.08em}.about-highlight strong{font-size:1.15rem}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start}
.footer-contact-btn{margin-top:16px;border:1px solid var(--line);background:rgba(127,120,255,.08);color:var(--text);padding:10px 14px;border-radius:12px;font:inherit;font-weight:700;cursor:pointer;transition:.2s}
.footer-contact-btn:hover{background:rgba(127,120,255,.16);transform:translateY(-1px)}
.site-footer{margin-top:auto}
@media(max-width:700px){.page-intro{padding-top:125px;padding-bottom:60px;min-height:calc(100vh - 80px)}.principles-grid{grid-template-columns:1fr}.footer-brand{align-items:stretch}.footer-contact-btn{width:100%}}
@media(prefers-reduced-motion:reduce){.footer-contact-btn:hover{transform:none}}

/* Light theme: keep all contact/CTA cards consistent with the rest of the UI */
:root.light .contact-card{
  background:var(--surface);
  border-color:var(--line);
  color:var(--text);
  box-shadow:var(--shadow);
}
:root.light .contact-card p,
:root.light .contact-box p{
  color:var(--muted);
}
:root.light .contact-form input,
:root.light .contact-form select,
:root.light .contact-form textarea{
  background:#fff;
  color:var(--text);
  border-color:var(--line);
}
:root.light .contact-form option{
  background:#fff;
  color:var(--text);
}