/* ============ Bellesoft – styles ============ */
:root{
  --ink:#0B1020; --ink-2:#141a33; --text:#2a3048; --muted:#5d6482; --line:#e6e8f2;
  --bg:#ffffff; --soft:#f6f7fb;
  --accent:#6D5DFC; --accent-2:#22D3EE; --accent-d:#5847f0;
  --grad:linear-gradient(120deg,#6D5DFC 0%,#8B5CF6 45%,#22D3EE 100%);
  --radius:18px; --shadow:0 1px 2px rgba(11,16,32,.04),0 8px 24px -8px rgba(11,16,32,.10);
  --shadow-lg:0 30px 60px -20px rgba(30,20,90,.35);
  --ease:cubic-bezier(.22,1,.36,1);
  --font-h:"Manrope",system-ui,sans-serif; --font-b:"Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-b);color:var(--text);background:var(--bg);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--font-h);color:var(--ink);line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2.3rem,6vw,4.1rem);font-weight:800;letter-spacing:-.035em}
h2{font-size:clamp(1.8rem,3.6vw,2.7rem);font-weight:800}
h3{font-size:1.15rem;font-weight:700}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.container{width:min(1200px,100% - 40px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

/* ---------- buttons ---------- */
.btn{--mx:0px;--my:0px;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font-h);font-weight:700;font-size:1rem;padding:.9rem 1.5rem;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .35s var(--ease),box-shadow .3s,background .3s,color .3s,border-color .3s;transform:translate(var(--mx),var(--my));will-change:transform}
.btn svg{width:18px;height:18px;transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn--primary{background:var(--grad);background-size:200% 100%;color:#fff;box-shadow:0 10px 30px -10px rgba(109,93,252,.7)}
.btn--primary:hover{background-position:100% 0;box-shadow:0 16px 40px -12px rgba(109,93,252,.85)}
.btn--ghost{background:rgba(255,255,255,.7);border-color:var(--line);color:var(--ink);backdrop-filter:blur(8px)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn--light{background:#fff;color:var(--ink)}
.btn--light:hover{box-shadow:0 12px 30px -10px rgba(255,255,255,.5)}
.btn--sm{padding:.6rem 1.1rem;font-size:.92rem}
.btn--block{width:100%}

/* ---------- nav (glass, shrinks on scroll) ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:50;transition:background .4s,box-shadow .4s,border-color .4s;border-bottom:1px solid transparent}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:84px;transition:height .4s var(--ease)}
.nav.is-scrolled{background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);border-color:rgba(230,232,242,.8);box-shadow:0 6px 30px -18px rgba(11,16,32,.25)}
.nav.is-scrolled .nav__inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--font-h);font-weight:800;font-size:1.45rem;letter-spacing:-.03em;color:var(--ink)}
.logo__mark{width:36px;height:36px;transition:transform .5s var(--ease)}
.logo:hover .logo__mark{transform:rotate(-8deg) scale(1.05)}
.logo__text span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.logo--light{color:#fff}
.nav__links{display:flex;align-items:center;gap:1.8rem;font-weight:500;font-size:.95rem}
.nav__links a:not(.btn){position:relative;color:var(--text);transition:color .2s}
.nav__links a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav__links a:not(.btn):hover{color:var(--ink)}
.nav__links a:not(.btn):hover::after,.nav__links a.is-active::after{transform:scaleX(1)}
.nav__toggle{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;position:relative}
.nav__toggle span{position:absolute;left:11px;right:11px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s var(--ease)}
.nav__toggle span:first-child{top:17px}.nav__toggle span:last-child{top:25px}
.nav.is-open .nav__toggle span:first-child{transform:translateY(4px) rotate(45deg)}
.nav.is-open .nav__toggle span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;padding:150px 0 100px;overflow:hidden;isolation:isolate}
.hero__bg{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,#f8f7ff 0%,#fff 100%)}
.hero__bg::before{ /* grid */
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(109,93,252,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(109,93,252,.08) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 60% 35%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 70% 60% at 60% 35%,#000 20%,transparent 75%)}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;will-change:transform}
.blob--1{width:520px;height:520px;background:#8b7dff;top:-160px;right:-80px;animation:float1 18s ease-in-out infinite}
.blob--2{width:420px;height:420px;background:#67e8f9;top:120px;right:280px;opacity:.4;animation:float2 22s ease-in-out infinite}
.blob--3{width:380px;height:380px;background:#f0abfc;bottom:-180px;left:-120px;opacity:.3;animation:float3 26s ease-in-out infinite}
@keyframes float1{50%{transform:translate(-60px,60px) scale(1.08)}}
@keyframes float2{50%{transform:translate(70px,-40px) scale(.92)}}
@keyframes float3{50%{transform:translate(80px,-50px) scale(1.1)}}
.spot{position:absolute;inset:0;background:radial-gradient(500px circle at var(--sx,70%) var(--sy,30%),rgba(109,93,252,.10),transparent 60%);transition:opacity .4s}
.hero__inner{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-h);font-weight:700;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:1rem}
.eyebrow--light{color:#a99fff}
.hero .eyebrow{background:rgba(255,255,255,.75);border:1px solid #e3e0ff;padding:.45rem .9rem;border-radius:999px;letter-spacing:.08em;backdrop-filter:blur(6px)}
.dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 0 rgba(34,197,94,.6);animation:pulse 2.2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--muted);max-width:36ch}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin:2rem 0 1.8rem}
.hero__points{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;font-size:.92rem;color:var(--muted)}
.hero__points li{display:flex;align-items:center;gap:.45rem}
.hero__points li::before{content:"";width:16px;height:16px;border-radius:50%;background:var(--grad);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 0a8 8 0 1 0 0 16A8 8 0 0 0 8 0zm3.6 6.1-4.2 4.2a.8.8 0 0 1-1.1 0L4.4 8.4a.8.8 0 1 1 1.1-1.1l1.4 1.4 3.6-3.7a.8.8 0 0 1 1.1 1.1z'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 0a8 8 0 1 0 0 16A8 8 0 0 0 8 0zm3.6 6.1-4.2 4.2a.8.8 0 0 1-1.1 0L4.4 8.4a.8.8 0 1 1 1.1-1.1l1.4 1.4 3.6-3.7a.8.8 0 0 1 1.1 1.1z'/%3E%3C/svg%3E") center/contain no-repeat}

/* headline word reveal */
.split .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
.split .w>span{display:inline-block;transform:translateY(105%);opacity:0;transition:transform 1s var(--ease),opacity .8s var(--ease);transition-delay:calc(var(--i)*70ms + 150ms)}
.split.is-in .w>span{transform:none;opacity:1}
.split .grad-w>span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* hero visual – dashboard mockup */
.hero__visual{position:relative;perspective:1400px}
.window{background:rgba(255,255,255,.85);border:1px solid rgba(230,232,242,.9);border-radius:20px;box-shadow:var(--shadow-lg);overflow:hidden;backdrop-filter:blur(10px);transform:rotateY(-10deg) rotateX(6deg);transform-style:preserve-3d;transition:transform .8s var(--ease)}
.hero__visual:hover .window{transform:rotateY(-4deg) rotateX(2deg)}
.window__bar{display:flex;align-items:center;gap:6px;padding:12px 16px;border-bottom:1px solid var(--line);background:#fbfbfe}
.window__bar i{width:10px;height:10px;border-radius:50%;background:#e4e6ef}
.window__bar i:nth-child(1){background:#ff6b6b}.window__bar i:nth-child(2){background:#ffcc4d}.window__bar i:nth-child(3){background:#3ddc84}
.window__bar span{margin-left:12px;font-size:.75rem;color:var(--muted);background:#f1f2f8;padding:3px 12px;border-radius:6px}
.window__body{display:grid;grid-template-columns:56px 1fr;min-height:340px}
.w-side{background:var(--ink);padding:16px 12px;display:flex;flex-direction:column;gap:12px}
.w-side b{display:block;height:32px;border-radius:9px;background:rgba(255,255,255,.08)}
.w-side b:first-child{background:var(--grad);margin-bottom:8px}
.w-side b.on{background:rgba(139,125,255,.45)}
.w-main{padding:18px;display:flex;flex-direction:column;gap:14px}
.w-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.w-kpi{border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:#fff}
.w-kpi small{display:block;font-size:.7rem;color:var(--muted);margin-bottom:6px}
.w-kpi em{display:block;height:8px;border-radius:4px;background:#eceaff;position:relative;overflow:hidden}
.w-kpi em::after{content:"";position:absolute;inset:0;background:var(--grad);transform-origin:left;transform:scaleX(var(--v,.6));animation:grow 1.6s var(--ease) both .6s}
.w-kpi:nth-child(1) em{--v:.72}.w-kpi:nth-child(2) em{--v:.48}.w-kpi:nth-child(3) em{--v:.86}
@keyframes grow{from{transform:scaleX(0)}}
.w-chart{border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff;height:140px;position:relative}
.w-chart svg{width:100%;height:100%}
.w-chart .line{stroke-dasharray:100;stroke-dashoffset:100;animation:draw 2.2s var(--ease) forwards .5s}
.w-chart .area{opacity:0;animation:fade 1.2s ease forwards 1.4s}
.w-dot{position:absolute;right:6px;top:calc(12px + (100% - 24px) * .1455 - 6px);width:12px;height:12px;border-radius:50%;background:#fff;border:2.5px solid var(--accent);opacity:0;animation:fade .4s ease forwards 2.4s;z-index:1}
.w-dot::after{content:"";position:absolute;inset:-3px;border-radius:50%;background:var(--accent);opacity:0;animation:ring 2.4s ease-out infinite 2.8s;z-index:-1}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fade{to{opacity:1}}
@keyframes ring{0%{opacity:.6;transform:scale(1)}100%{opacity:0;transform:scale(3)}}
.w-list{display:grid;gap:8px}
.w-list span{display:grid;grid-template-columns:22px 1fr 54px;gap:10px;align-items:center;height:30px;border-radius:9px;background:#f6f7fb;padding:0 10px;opacity:0;transform:translateY(8px);animation:rowin .7s var(--ease) forwards}
.w-list span:nth-child(1){animation-delay:1.1s}.w-list span:nth-child(2){animation-delay:1.25s}.w-list span:nth-child(3){animation-delay:1.4s}
.w-list span::before{content:"";width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,#c7c1ff,#a5f3fc)}
.w-list span::after{content:"";height:16px;border-radius:999px;background:#e5fbef;grid-column:3}
.w-list span i{height:7px;border-radius:4px;background:#e3e5ef;width:70%}
.w-list span:nth-child(2)::after{background:#efeaff}.w-list span:nth-child(2) i{width:52%}
.w-list span:nth-child(3)::after{background:#fff4dd}.w-list span:nth-child(3) i{width:62%}
@keyframes rowin{to{opacity:1;transform:none}}
.chip{position:absolute;display:flex;align-items:center;gap:.5rem;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:14px;padding:.65rem .95rem;font-size:.85rem;font-weight:600;color:var(--ink);box-shadow:var(--shadow);will-change:transform}
.chip__ico{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:#f0eeff}
.chip--a{left:-28px;bottom:48px;animation:bob 6s ease-in-out infinite}
.chip--b{right:-14px;top:-18px;animation:bob 7s ease-in-out infinite -2s}
.chip--c{right:24px;bottom:-22px;animation:bob 8s ease-in-out infinite -4s}
@keyframes bob{50%{transform:translateY(-10px)}}

/* ---------- sections ---------- */
.section{padding:110px 0;position:relative}
.section--soft{background:var(--soft)}
.section--dark{background:radial-gradient(900px 500px at 85% 0%,rgba(109,93,252,.28),transparent 60%),radial-gradient(700px 400px at 0% 100%,rgba(34,211,238,.12),transparent 60%),var(--ink);color:#c7cbe0}
.section--dark h2,.section--dark h3{color:#fff}
.section__head{text-align:center;max-width:720px;margin:0 auto 56px}
.section__head--left{text-align:left;margin:0}
.sub{color:var(--muted);font-size:1.07rem}
.section--dark .sub{color:#a6abc6}
.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(3,1fr)}

/* cards with cursor glow + tilt */
.card{--gx:50%;--gy:50%;position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);transition:box-shadow .4s var(--ease),border-color .4s;transform-style:preserve-3d;will-change:transform;isolation:isolate}
.card::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:radial-gradient(260px circle at var(--gx) var(--gy),rgba(109,93,252,.9),rgba(34,211,238,.5) 40%,transparent 70%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s;pointer-events:none}
.card::after{content:"";position:absolute;inset:0;border-radius:inherit;background:radial-gradient(320px circle at var(--gx) var(--gy),rgba(109,93,252,.07),transparent 65%);opacity:0;transition:opacity .4s;pointer-events:none;z-index:-1}
.card:hover{box-shadow:0 24px 50px -24px rgba(40,30,120,.35);border-color:transparent}
.card:hover::before,.card:hover::after{opacity:1}
.ico{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#f1efff,#e6fbff);color:var(--accent);margin-bottom:20px;transition:transform .5s var(--ease)}
.card:hover .ico{transform:translateZ(30px) rotate(-6deg)}
.ico svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ico--sm{width:40px;height:40px;border-radius:11px;margin:0;flex:none}
.ico--sm svg{width:20px;height:20px}
.service p{color:var(--muted);margin:0;font-size:.97rem}

/* why */
.why{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.why .section__head{position:sticky;top:120px}
.why .section__head .btn{margin-top:.8rem}
.why__grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.why__item{padding:28px;border-radius:var(--radius);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);transition:background .4s,border-color .4s,transform .5s var(--ease)}
.why__item:hover{background:rgba(255,255,255,.07);border-color:rgba(139,125,255,.45);transform:translateY(-4px)}
.why__item p{margin:0;color:#a6abc6;font-size:.96rem}
.num{display:inline-block;font-family:var(--font-h);font-weight:800;font-size:.9rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:14px;letter-spacing:.05em}

/* portfolio */
.project{padding:0;overflow:hidden;display:flex;flex-direction:column}
.project__thumb{position:relative;aspect-ratio:16/10;background:linear-gradient(135deg,#efeaff,#e0f8ff);overflow:hidden;border-bottom:1px solid var(--line)}
.project__thumb .mock{position:absolute;inset:18% 10% -10% 10%;background:#fff;border-radius:12px 12px 0 0;box-shadow:0 20px 40px -20px rgba(40,30,120,.35);padding:14px;display:grid;grid-template-rows:10px 1fr;gap:12px;transition:transform .7s var(--ease)}
.project:hover .mock{transform:translateY(-8px) scale(1.02)}
.mock__top{display:flex;gap:5px}.mock__top i{width:8px;height:8px;border-radius:50%;background:#e4e6ef}
.mock__body{display:grid;grid-template-columns:1fr 2fr;gap:10px}
.mock__body b{border-radius:8px;background:#f2f1fb}
.mock__body b:last-child{background:linear-gradient(180deg,rgba(109,93,252,.18),rgba(34,211,238,.10))}
.project__thumb[data-v="1"]{background:linear-gradient(135deg,#e0f8ff,#efeaff)}
.project__thumb[data-v="2"]{background:linear-gradient(135deg,#fdf0ff,#eeeaff)}
.badge-ph{position:absolute;top:14px;left:14px;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:#fff7e0;color:#9a6b00;border:1px dashed #e6b84a;padding:4px 10px;border-radius:999px;z-index:2}
.project__body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.project__cat{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:.5rem}
.project__body p{color:var(--muted);font-size:.95rem}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding:0;list-style:none}
.tags li{font-size:.78rem;font-weight:500;padding:4px 10px;border-radius:999px;background:var(--soft);border:1px solid var(--line);color:var(--text)}

/* process timeline */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:24px;position:relative;counter-reset:s}
.steps::before,.steps::after{content:"";position:absolute;top:27px;left:10%;right:10%;height:2px;border-radius:2px}
.steps::before{background:#e1e3ee}
.steps::after{background:var(--grad);transform-origin:left;transform:scaleX(var(--p,0));transition:transform .2s linear}
.step{position:relative;text-align:center;z-index:1}
.step__n{display:grid;place-items:center;width:56px;height:56px;margin:0 auto 20px;border-radius:50%;background:#fff;border:2px solid #e1e3ee;font-family:var(--font-h);font-weight:800;font-size:1.15rem;color:var(--muted);transition:background .5s,color .5s,border-color .5s,transform .5s var(--ease),box-shadow .5s}
.step.is-active .step__n{background:var(--grad);border-color:transparent;color:#fff;transform:scale(1.06);box-shadow:0 10px 26px -8px rgba(109,93,252,.6)}
.step p{color:var(--muted);font-size:.94rem;margin:0}

/* tech */
.tech{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.tech__group{padding:24px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(180deg,#fff,#fafaff)}
.tech__group .h4{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.tech__group ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.tech__group li{font-weight:600;color:var(--ink);font-size:.95rem;display:flex;align-items:center;gap:.55rem;transition:transform .3s var(--ease)}
.tech__group li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--grad)}
.tech__group li:hover{transform:translateX(4px)}
.marquee{margin-top:48px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee__track{display:flex;gap:44px;width:max-content;animation:marquee 40s linear infinite}
.marquee span{font-family:var(--font-h);font-weight:800;font-size:1.5rem;color:#cfd2e3;white-space:nowrap;letter-spacing:-.02em}
@keyframes marquee{to{transform:translateX(-50%)}}

/* CTA band */
.cta-band{padding:0 0 30px}
.cta-band__inner{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:56px;border-radius:28px;background:var(--ink);color:#c7cbe0;isolation:isolate}
.cta-band__inner::before{content:"";position:absolute;inset:-50%;z-index:-1;background:conic-gradient(from 0deg,transparent 0 60%,rgba(109,93,252,.55) 75%,rgba(34,211,238,.45) 85%,transparent 100%);animation:spin 14s linear infinite;filter:blur(40px)}
@keyframes spin{to{transform:rotate(1turn)}}
.cta-band h2{color:#fff;margin-bottom:.3em}
.cta-band p{margin:0}

/* contact */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.contact__list{list-style:none;padding:0;margin:2rem 0 0;display:grid;gap:16px}
.contact__list li{display:flex;align-items:center;gap:14px;font-weight:600;color:var(--ink)}
.contact__list a:hover{color:var(--accent)}
.ph-tag{font-style:normal;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;background:#fff7e0;color:#9a6b00;border:1px dashed #e6b84a;padding:2px 8px;border-radius:999px;margin-left:6px;vertical-align:middle}
.form{display:grid;gap:16px;padding:34px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:grid;gap:6px;font-size:.88rem;font-weight:600;color:var(--ink)}
.form input,.form select,.form textarea{font:inherit;font-weight:400;font-size:.97rem;color:var(--ink);padding:.8rem 1rem;border:1px solid var(--line);border-radius:12px;background:#fbfbfe;transition:border-color .2s,box-shadow .2s,background .2s;width:100%}
.form textarea{resize:vertical;min-height:120px}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px rgba(109,93,252,.14)}
.form .check{display:flex;align-items:flex-start;gap:10px;font-weight:400;color:var(--muted);font-size:.85rem}
.form .check input{width:18px;height:18px;margin-top:2px;flex:none;accent-color:var(--accent)}
.form .invalid{border-color:#ef4444!important}
.form__note:empty{display:none}
.form__note{margin:0;font-size:.88rem;color:var(--muted);min-height:1.2em}

/* footer */
.footer{background:var(--ink);color:#8b90ad;padding:40px 0}
.footer__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer__links{display:flex;gap:24px;font-size:.92rem}
.footer__links a:hover{color:#fff}
.footer__copy{margin:0;font-size:.88rem}

/* reveal (stagger via --d) */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0ms)}
.js .reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .tech{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:1fr;gap:0;max-width:560px;margin:0 auto}
  .steps::before,.steps::after{top:28px;bottom:var(--lb,28px);left:27px;right:auto;width:2px;height:auto}
  .steps::after{transform-origin:top;transform:scaleY(var(--p,0))}
  .step{display:grid;grid-template-columns:56px 1fr;column-gap:20px;text-align:left;padding-bottom:30px}
  .step__n{grid-row:span 2;margin:0}
  .step:last-child{padding-bottom:0}
  .step h3{margin:.8rem 0 .3rem}
}
@media (max-width:960px){
  .hero{padding:120px 0 70px}
  .hero__inner,.why,.contact{grid-template-columns:1fr;gap:48px}
  .why .section__head{position:static}
  .grid--3{grid-template-columns:1fr 1fr}
  .hero__visual{max-width:560px;margin:0 auto;width:100%}
  .nav__toggle{display:block}
  .nav__links{position:fixed;top:0;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:84px 20px 24px;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 20px 40px -20px rgba(11,16,32,.3);transform:translateY(-110%);transition:transform .5s var(--ease);z-index:-1}
  .nav__links a:not(.btn){padding:14px 4px;border-bottom:1px solid var(--line);font-size:1.05rem}
  .nav__links a:not(.btn)::after{display:none}
  .nav__cta{margin-top:16px}
  .nav.is-open .nav__links{transform:none}
  .nav.is-open{background:rgba(255,255,255,.96)}
}
@media (max-width:640px){
  .section{padding:80px 0}
  .grid--3,.why__grid,.form__row{grid-template-columns:1fr}
  .tech{grid-template-columns:1fr 1fr}
  .tech__group:last-child{grid-column:span 2}
  .cta-band__inner{flex-direction:column;align-items:flex-start;padding:36px 26px}
  .form{padding:24px}
  .window{transform:none}
  .window__body{grid-template-columns:44px 1fr;min-height:0}
  .w-main{padding:12px;gap:10px}
  .w-chart{height:110px}
  .chip--a{left:-6px;bottom:26px}
  .hero__visual{margin-top:24px}
  .chip--b{right:-4px;top:-46px}
  .chip--c{display:none}
  .blob--1{width:340px;height:340px}
  .blob--2{width:260px;height:260px;right:0}
  .footer__inner{flex-direction:column;align-items:flex-start}
  .footer__links{flex-wrap:wrap;gap:12px 20px}
  .marquee span{font-size:1.2rem}
  .hero__actions .btn{flex:1 1 auto}
}


/* ---------- language switch ---------- */
.lang-switch{display:inline-flex;align-items:center;gap:2px;padding:3px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.6);font-family:var(--font-h);font-weight:700;font-size:.78rem;letter-spacing:.04em}
.nav__links .lang-switch a{padding:4px 9px;border-radius:999px;color:var(--muted);transition:background .25s,color .25s}
.nav__links .lang-switch a::after{display:none}
.nav__links .lang-switch a[aria-current]{background:var(--ink);color:#fff}
.nav__links .lang-switch a:not([aria-current]):hover{color:var(--accent)}
.footer__copy a{text-decoration:underline;text-underline-offset:3px}
.footer__copy a:hover{color:#fff}

/* ---------- form extras ---------- */
.hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.form{position:relative}
.form__captcha{min-height:0}
.form__captcha:not(:empty){min-height:65px}
.form__note[data-state="error"]{color:#b91c1c}
.form.is-sent>*:not(.form__done){display:none}
.form__done{text-align:center;padding:40px 10px;animation:fade .6s var(--ease) both;opacity:0}
.form__done:focus{outline:none}
.form__done-ico{display:grid;place-items:center;width:64px;height:64px;margin:0 auto 18px;border-radius:50%;background:var(--grad);color:#fff;font-size:1.8rem;font-weight:800;box-shadow:0 14px 30px -10px rgba(109,93,252,.6)}
.form__done p{color:var(--muted);margin:0}

/* ---------- blog: teaser + listing + article ---------- */
.post-grid{display:grid;gap:22px;grid-template-columns:repeat(3,1fr)}
.post-card{padding:0}
.post-card__link{display:flex;flex-direction:column;height:100%;padding:28px}
.post-card__cover{margin:-28px -28px 20px;aspect-ratio:16/9;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;background:linear-gradient(135deg,#efeaff,#e0f8ff)}
.post-card__cover img{width:100%;height:100%;object-fit:cover}
.post-card__meta{font-size:.82rem;color:var(--muted);margin-bottom:.6rem}
.post-card h2,.post-card h3{font-size:1.2rem;margin-bottom:.5rem}
.post-card p{color:var(--muted);font-size:.96rem}
.post-card__more{margin-top:auto;font-family:var(--font-h);font-weight:700;color:var(--accent);font-size:.92rem}
.post-card__tags{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 .8rem;padding:0;list-style:none}
.post-card__tags li{font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}
.badge-sample{display:inline-block;align-self:flex-start;font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:#fff7e0;color:#9a6b00;border:1px dashed #e6b84a;padding:2px 9px;border-radius:999px;margin-bottom:.6rem}
.page-hero{position:relative;padding:150px 0 60px;overflow:hidden;isolation:isolate;background:linear-gradient(180deg,#f8f7ff 0%,#fff 100%)}
.page-hero::before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(109,93,252,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(109,93,252,.07) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse 70% 80% at 70% 0%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 70% 80% at 70% 0%,#000 20%,transparent 75%)}
.page-hero h1{font-size:clamp(2.1rem,5vw,3.4rem);max-width:22ch}
.page-hero .lead{max-width:60ch}
.crumbs{display:flex;flex-wrap:wrap;gap:6px;font-size:.85rem;color:var(--muted);margin:0 0 1.2rem;padding:0;list-style:none}
.crumbs li+li::before{content:"/";margin-right:6px;color:#c3c7da}
.crumbs a:hover{color:var(--accent)}
.empty{text-align:center;padding:60px 20px;border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted);background:var(--soft)}
.empty h2{font-size:1.4rem}
.pager{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:48px}
.pager a,.pager span{padding:.55rem 1rem;border-radius:999px;border:1px solid var(--line);font-weight:600;font-size:.92rem}
.pager a:hover{border-color:var(--accent);color:var(--accent)}
.pager [aria-current]{background:var(--ink);color:#fff;border-color:var(--ink)}
.article{padding:0 0 100px}
.article__meta{display:flex;flex-wrap:wrap;gap:.4rem 1.2rem;color:var(--muted);font-size:.92rem;margin-top:1.2rem}
.article__cover{width:min(1000px,100% - 40px);margin:0 auto 48px}
.article__cover img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:24px;box-shadow:var(--shadow-lg);background:linear-gradient(135deg,#efeaff,#e0f8ff)}
.article__cover figcaption{padding:0 6px}
.prose{width:min(740px,100% - 40px);margin:0 auto;font-size:1.08rem;line-height:1.75;color:var(--text)}
.prose h2{font-size:1.75rem;margin:2.2em 0 .6em}
.prose h3{font-size:1.3rem;margin:1.8em 0 .5em}
.prose p,.prose ul,.prose ol,.prose blockquote,.prose pre,.prose table{margin:0 0 1.3em}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.prose img{border-radius:14px;margin:1.6em auto;height:auto}
/* figures with photo credits */
.post-figure{margin:2.2em 0}
.prose .post-figure img,.post-figure img{display:block;width:100%;height:auto;margin:0;border-radius:16px;box-shadow:0 18px 40px -22px rgba(11,16,32,.35);background:#f1f2f8}
.post-figure figcaption{margin-top:.75em;font-size:.82rem;line-height:1.5;color:var(--muted)}
.post-figure .caption{color:var(--text);font-weight:500}
.post-figure .caption+.credit::before{content:"· "}
.post-figure .credit a{color:inherit;text-decoration:underline;text-decoration-color:rgba(109,93,252,.4);text-underline-offset:2px}
.post-figure .credit a:hover{color:var(--ink);text-decoration-color:var(--ink)}
.article__cover.post-figure{margin:0 auto 48px}
.prose blockquote{border-left:3px solid var(--accent);padding:.4em 0 .4em 1.2em;color:var(--muted);font-style:italic}
.prose code{background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:.1em .4em;font-size:.92em}
.prose pre{background:var(--ink);color:#e5e7f5;padding:18px;border-radius:14px;overflow:auto}
.prose pre code{background:none;border:0;padding:0;color:inherit}
.prose table{border-collapse:collapse;width:100%;font-size:.95rem}
.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.sources{width:min(740px,100% - 40px);margin:56px auto 0;padding:28px 30px;border-radius:var(--radius);background:var(--soft);border:1px solid var(--line);position:relative;overflow:hidden}
.sources::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad)}
.sources h2{font-size:1.15rem;display:flex;align-items:center;gap:.5rem;margin-bottom:1rem}
.sources ol{margin:0;padding-left:1.3rem;display:grid;gap:.6rem;font-size:.96rem}
.sources a{color:var(--ink);font-weight:600;text-decoration:underline;text-decoration-color:rgba(109,93,252,.4);text-underline-offset:3px;word-break:break-word}
.sources a:hover{color:var(--accent)}
.sources .pub{color:var(--muted);font-size:.88rem}
.article__foot{width:min(740px,100% - 40px);margin:40px auto 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center}
.tag-list{display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0;list-style:none}
.tag-list li{font-size:.8rem;padding:4px 10px;border-radius:999px;background:var(--soft);border:1px solid var(--line)}

/* ---------- 404 ---------- */
.nf{min-height:100vh;display:grid;place-items:center;text-align:center;padding:120px 20px 60px}
.nf__code{font-family:var(--font-h);font-weight:800;font-size:clamp(5rem,18vw,10rem);line-height:1;letter-spacing:-.06em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin:0 0 .2em}
.nf__cols{display:grid;grid-template-columns:1fr 1fr;gap:40px;max-width:820px;margin:0 auto}
.nf__cols>div{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
.nf__cols h1,.nf__cols h2{font-size:1.4rem}
.nf__cols p{color:var(--muted)}
@media (max-width:960px){.post-grid{grid-template-columns:1fr 1fr}.nav__links .lang-switch{align-self:flex-start;margin-top:16px}}
@media (max-width:640px){.post-grid,.nf__cols{grid-template-columns:1fr}.page-hero{padding:120px 0 40px}}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;animation-delay:0s!important;transition-duration:.001ms!important;transition-delay:0s!important;scroll-behavior:auto!important}
  .js .reveal,.split .w>span{opacity:1!important;transform:none!important}
  .w-chart .line{stroke-dashoffset:0}
  .marquee__track{animation:none}
}
.section--tight{padding-top:40px}
.center-link{text-align:center;margin:40px 0 0}
#latestPosts .post-card h3{font-size:1.15rem}
[hidden]{display:none!important}