/* Sourabh Dey portfolio — light navy/teal theme.
   Visual language studied from a reference site (palette, Lora + Manrope pairing, 4px buttons,
   eyebrow-with-bar labels, wide rail layout, alternating white / grey / navy sections, square-cornered photos).
   All content, imagery and marks here are original. Fonts: Lora + Manrope (SIL OFL), self-hosted. */
@font-face{font-family:Lora;font-style:normal;font-weight:400 700;font-display:swap;src:url(/fonts/Lora.woff2) format("woff2")}
@font-face{font-family:Lora;font-style:italic;font-weight:400 700;font-display:swap;src:url(/fonts/Lora-Italic.woff2) format("woff2")}
@font-face{font-family:Manrope;font-style:normal;font-weight:400 800;font-display:swap;src:url(/fonts/Manrope.woff2) format("woff2")}
:root{
  --navy:#1F3B5A;--navy-deep:#162e47;--navy-hero:#142b42;--teal:#2BA7A0;--teal-dark:#167d77;--teal-lt:#79d9d2;
  --grey:#F3F5F7;--teal-pale:#e9f5f3;--soft:#5a6776;--line:#dde3e8;--white:#fff;--err:#b42318;--ok:#0b6b4a;
  --serif:Lora,Georgia,"Times New Roman",serif;--sans:Manrope,"Segoe UI",Arial,sans-serif;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --rail:min(1224px,calc(100% - 112px));--sec:clamp(64px,8vw,106px);--ease:cubic-bezier(.22,.8,.3,1);--hdr:120px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr) + 12px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--white);color:var(--navy);font:400 16px/1.65 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--teal-dark);outline-offset:3px}
.sec-navy :focus-visible,.hero :focus-visible,footer :focus-visible{outline-color:var(--teal-lt)}
.icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.icon.sm{width:16px;height:16px}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-70px;background:var(--navy);color:#fff;padding:12px 18px;border-radius:4px;z-index:300;font-weight:700;transition:top .2s}
.skip:focus{top:12px}
.rail{width:var(--rail);margin-inline:auto}

/* ---------- type ---------- */
h1,h2,.serif{font-family:var(--serif);font-weight:500;color:inherit}
h1{font-size:clamp(2.6rem,6.2vw,4.68rem);line-height:1.15;letter-spacing:-.04em}
h2{font-size:clamp(2rem,3.8vw,2.925rem);line-height:1.24;letter-spacing:-.035em}
h2 em,h1 em{font-style:italic;font-weight:400;color:var(--teal-dark)}
.hero h1 em,.sec-navy h2 em{color:var(--teal-lt)}
h3{font-size:1.1rem;font-weight:700;letter-spacing:-.02em;line-height:1.4}
.lede{font-size:1.1rem;color:var(--soft);max-width:56ch}
.eyebrow{display:flex;align-items:center;gap:12px;font-size:.78rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;line-height:1.6;color:var(--soft);margin-bottom:24px}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--teal);flex:none}
.hero .eyebrow,.sec-navy .eyebrow{color:#cfe0ec}
.sec-head{display:grid;gap:18px;margin-bottom:clamp(36px,5vw,64px);max-width:760px}
.sec-head .eyebrow{margin-bottom:6px}

/* ---------- buttons / links ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:50px;padding:14px 26px;border-radius:4px;border:1px solid transparent;font-size:.9rem;font-weight:700;line-height:1.2;letter-spacing:.005em;text-align:center;transition:background-color .18s ease-out,border-color .18s ease-out,color .18s ease-out,translate .22s var(--ease),box-shadow .22s var(--ease)}
.btn .icon{transition:transform .18s ease-out}
.btn:hover .icon{transform:translateX(3px)}
.btn-teal,.btn-primary{background:var(--teal-dark);color:#fff}
.btn-teal:hover,.btn-primary:hover{background:#0f6561}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-deep)}
.btn-outline,.btn-ghost{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn-outline:hover,.btn-ghost:hover{background:var(--navy);color:#fff}
.hero .btn-outline,.sec-navy .btn-outline{color:#fff;border-color:rgba(255,255,255,.44)}
.hero .btn-outline:hover,.sec-navy .btn-outline:hover{background:#fff;color:var(--navy);border-color:#fff}
.btn-sm{min-height:42px;padding:10px 20px;font-size:.84rem}
.btn[disabled]{opacity:.6;cursor:not-allowed}
.text-link,.link-arrow{display:inline-flex;align-items:center;gap:16px;width:fit-content;font-size:.84rem;font-weight:800;border-bottom:1px solid var(--teal);padding-block:8px;background:none;border-top:0;border-left:0;border-right:0;color:var(--navy);transition:color .18s ease-out}
.text-link:hover,.link-arrow:hover{color:var(--teal-dark)}
.text-link .icon,.link-arrow .icon{transition:transform .18s ease-out}
.text-link:hover .icon,.link-arrow:hover .icon{transform:translateX(4px)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 6px 24px -14px rgba(22,46,71,.35)}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:70px}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.brand-mark{width:44px;height:44px;flex:none;overflow:visible;border-radius:11px}
.brand-txt{display:grid;line-height:1.15}
.brand-txt b{font-family:var(--serif);font-weight:500;font-size:1.3rem;letter-spacing:-.03em}
.brand-txt small{font-size:.68rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--soft)}
.top-contact{display:flex;align-items:center;gap:26px;font-size:.86rem;font-weight:600}
.top-link{display:inline-flex;align-items:center;gap:9px;color:var(--navy)}
.top-link .icon{color:var(--teal-dark);width:17px;height:17px}
.top-link:hover{color:var(--teal-dark)}
.avail{display:inline-flex;align-items:center;gap:9px;font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-dark)}
.avail::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(43,167,160,.18)}
.sound-btn{position:relative;display:inline-flex;align-items:center;gap:9px;height:40px;padding:0 15px 0 12px;border:1px solid #b9c6d1;background:#fff;border-radius:999px;color:var(--navy);font-size:.78rem;font-weight:800;letter-spacing:.04em;white-space:nowrap;transition:border-color .2s,background-color .2s,color .2s,box-shadow .2s,translate .2s var(--ease)}
.sound-btn:hover{border-color:var(--navy);translate:0 -1px;box-shadow:0 8px 18px -12px rgba(22,46,71,.6)}
.sound-btn .icon{width:18px;height:18px}
.sound-btn .on,.sound-btn .eq{display:none}
.sound-btn[aria-pressed="true"]{background:var(--teal-pale);border-color:var(--teal);color:var(--teal-dark)}
.sound-btn[aria-pressed="true"] .off{display:none}
.sound-btn[aria-pressed="true"] .eq{display:inline-flex}
.sound-btn.armed{border-color:var(--teal);color:var(--teal-dark)}
.sound-btn.armed::after{content:"";position:absolute;inset:-4px;border-radius:999px;border:2px solid var(--teal);opacity:0;pointer-events:none}
.eq{align-items:flex-end;gap:2px;height:16px;width:18px}
.eq i{display:block;width:3px;height:100%;border-radius:2px;background:var(--teal-dark);transform-origin:bottom;transform:scaleY(.35)}
.sound-btn:disabled{opacity:.55;cursor:not-allowed}
.snd-hint{position:fixed;z-index:120;top:78px;right:max(20px,calc((100vw - 1224px)/2));max-width:min(300px,calc(100vw - 40px));background:var(--navy);color:#fff;font-size:.82rem;font-weight:600;line-height:1.45;padding:12px 16px;border-radius:6px;box-shadow:0 18px 34px -16px rgba(22,46,71,.6);opacity:0;translate:0 -6px;transition:opacity .35s,translate .35s var(--ease);pointer-events:none}
.snd-hint.show{opacity:1;translate:0 0}
.snd-hint::before{content:"";position:absolute;right:34px;top:-5px;width:10px;height:10px;background:var(--navy);transform:rotate(45deg)}
.navbar{border-top:1px solid var(--line)}
.navbar .rail{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:48px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{position:relative;padding:12px 14px;font-size:.88rem;font-weight:700;color:var(--navy)}
.nav-links a:not(.btn)::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;background:var(--teal);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.nav-links a:not(.btn):hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--teal-dark)}
.nav-links .btn{display:none}
.nav-cta{min-height:40px;padding:8px 18px;font-size:.84rem}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:4px;position:relative}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{position:absolute;left:12px;width:18px;height:2px;background:var(--navy);content:"";transition:transform .2s,opacity .2s}
.menu-btn span{top:20px}.menu-btn span::before{left:0;top:-6px}.menu-btn span::after{left:0;top:6px}
.menu-btn[aria-expanded="true"] span{background:transparent}
.menu-btn[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;isolation:isolate;background:var(--navy);color:#fff;padding:clamp(64px,8vw,104px) 0 0;overflow:hidden}
.hero-photo,.hero-overlay{position:absolute;inset:0;z-index:-2}
.hero-photo img{width:100%;height:100%;object-fit:cover;object-position:68% center}
.hero-overlay{z-index:-1;background:linear-gradient(90deg,rgba(20,43,66,.97),rgba(24,48,72,.91) 30%,rgba(24,48,72,.62) 56%,rgba(24,48,72,.08))}
.hero-copy{max-width:660px;padding-bottom:clamp(56px,8vw,110px)}
.hero h1{margin-bottom:26px}
.hero-copy .lede{color:#d5e2ee;font-size:1.12rem;margin-bottom:34px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-meta{margin-top:30px;font-size:.84rem;font-weight:600;color:#bcd0e0;display:flex;flex-wrap:wrap;gap:6px 22px}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal)}
.facts{border-top:1px solid rgba(255,255,255,.2);background:rgba(20,43,66,.72);backdrop-filter:blur(6px)}
#stats{display:grid;grid-template-columns:repeat(4,1fr)}
#stats li{padding:26px 28px 24px;border-left:1px solid rgba(255,255,255,.16)}
#stats li:first-child{border-left:0;padding-left:0}
.stat-v{font-family:var(--serif);font-weight:500;font-size:clamp(1.5rem,2.6vw,2.2rem);letter-spacing:-.03em;line-height:1.1}
.stat-l{margin-top:6px;font-size:.8rem;font-weight:700;letter-spacing:.06em;color:#bcd0e0}

/* ---------- sections ---------- */
section{padding-block:var(--sec)}
.hero{padding-block:clamp(64px,8vw,104px) 0}
.sec-grey{background:var(--grey)}
.sec-pale{background:var(--teal-pale)}
.sec-navy{background:var(--navy);color:#fff}
.sec-navy .lede{color:#cfdceb}

/* services */
.svc-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(36px,6vw,92px);align-items:start}
.svc-list{border-top:1px solid var(--line)}
.svc{border-bottom:1px solid var(--line)}
.svc summary{display:grid;grid-template-columns:44px 1fr 28px;align-items:center;gap:8px;padding:22px 0;cursor:pointer;list-style:none}
.svc summary::-webkit-details-marker{display:none}
.svc-n{font-size:.78rem;font-weight:800;letter-spacing:.12em;color:var(--teal-dark)}
.svc summary h3{font-size:1.12rem}
.svc .plus{width:22px;height:22px;position:relative;justify-self:end}
.svc .plus::before,.svc .plus::after{content:"";position:absolute;left:3px;right:3px;top:10px;height:2px;background:var(--navy);transition:transform .25s var(--ease)}
.svc .plus::after{transform:rotate(90deg)}
.svc[open] .plus::after{transform:rotate(0)}
.svc summary:hover h3{color:var(--teal-dark)}
.svc-body{padding:0 0 28px 52px;display:grid;gap:18px;max-width:640px}
.svc-body>p{color:var(--soft)}
.caps{display:grid;grid-template-columns:1fr 1fr;gap:8px 28px}
.caps li{position:relative;padding-left:20px;font-size:.92rem;font-weight:500}
.caps li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:2px;background:var(--teal)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-block;padding:4px 10px;border:1px solid var(--line);background:#fff;border-radius:3px;font-size:.74rem;font-weight:700;letter-spacing:.02em;color:var(--navy)}
.sec-grey .tag{background:#fff}
.svc-media{position:sticky;top:calc(var(--hdr) + 24px)}
.svc-media img{width:100%;aspect-ratio:532/493;object-fit:cover;object-position:35% center}
.svc-cap{margin-top:14px;font-size:.78rem;color:var(--soft);font-weight:600}

/* work cards */
.demo-banner{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-left:3px solid var(--teal);padding:16px 20px;margin-bottom:40px;font-size:.92rem;color:var(--soft);max-width:880px}
.demo-banner strong{color:var(--navy)}
.demo-banner .icon{color:var(--teal-dark);margin-top:3px}
.proj-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:48px 30px}
.proj{display:flex;flex-direction:column}
.proj-img{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--line)}
.proj-img img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.proj:hover .proj-img img{transform:scale(1.04)}
.demo-flag{position:absolute;left:0;top:16px;background:var(--navy);color:#fff;font-size:.68rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;padding:6px 12px}
.proj-cat{margin-top:20px;font-size:.74rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-dark)}
.proj h3{font-size:1.2rem;margin:8px 0 10px}
.proj-sum{color:var(--soft);font-size:.94rem;margin-bottom:16px}
.proj .tags{margin-bottom:18px}
.proj .text-link{margin-top:auto}

/* approach (navy) */
.sec-navy.approach{padding-bottom:0}
.approach-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(36px,6vw,96px);align-items:end}
.approach-copy{padding-bottom:var(--sec)}
.approach-copy h2{margin-bottom:34px}
.principles{display:grid;gap:0}
.principles li{display:grid;grid-template-columns:52px 1fr;gap:6px 8px;padding:20px 0;border-top:1px solid rgba(255,255,255,.18)}
.principles li:last-child{border-bottom:1px solid rgba(255,255,255,.18)}
.principles .n{font-size:.78rem;font-weight:800;letter-spacing:.12em;color:var(--teal-lt);padding-top:3px}
.principles h3{color:#fff}
.principles p{grid-column:2;color:#c6d6e5;font-size:.94rem}
.approach-media img{width:100%;aspect-ratio:1/1;object-fit:cover}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s}
.step{position:relative;padding:34px 30px 0 0;border-top:2px solid var(--line)}
.step::before{content:"";position:absolute;left:0;top:-2px;width:64px;height:2px;background:var(--teal)}
.step-n{font-family:var(--serif);font-size:2.6rem;letter-spacing:-.04em;line-height:1;color:var(--teal-dark);margin-bottom:18px}
.step h3{margin-bottom:10px}
.step p{color:var(--soft);font-size:.94rem}

/* tech */
.tech-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tech-group{background:#fff;border:1px solid var(--line);padding:24px}
.tech-group h3{font-size:.74rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--soft);margin-bottom:18px;display:flex;justify-content:space-between;align-items:center}
.tech-group h3 span{color:var(--teal-dark)}
.tech-list{display:flex;flex-wrap:wrap;gap:8px}
.tech{position:relative;display:inline-flex;align-items:center;gap:9px;padding:8px 12px 8px 10px;border:1px solid var(--line);border-radius:3px;background:var(--grey);color:var(--navy);font-size:.86rem;font-weight:600;transition:border-color .18s,background-color .18s}
.tech svg{width:18px;height:18px;fill:currentColor;color:var(--soft);transition:color .18s}
.tech .mono{width:18px;height:18px;border-radius:3px;display:grid;place-items:center;font:800 .6rem var(--sans);color:var(--soft);border:1px solid var(--line)}
.tech:hover,.tech:focus-visible,.tech.open{border-color:var(--teal);background:var(--teal-pale)}
.tech:hover svg,.tech:focus-visible svg,.tech.open svg{color:var(--teal-dark)}
.tech-tip{display:none;position:absolute;left:0;bottom:calc(100% + 10px);width:max-content;max-width:240px;background:var(--navy);color:#dbe6f0;border-radius:4px;padding:10px 12px;font-size:.8rem;font-weight:500;line-height:1.45;text-align:left;box-shadow:0 14px 30px -12px rgba(22,46,71,.5);z-index:6;pointer-events:none}
.tech-tip b{display:block;color:#fff;margin-bottom:2px}
.tech:hover .tech-tip,.tech:focus-visible .tech-tip,.tech.open .tech-tip{display:block;animation:tipin .18s ease-out}
.tech-group:nth-child(3n) .tech:nth-last-child(-n+2) .tech-tip,.tech.edge .tech-tip{left:auto;right:0}
@keyframes tipin{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.note{margin-top:22px;font-size:.84rem;color:var(--soft)}

/* pipeline */
.pipe-wrap{border:1px solid var(--line);background:#fff;padding:clamp(20px,3vw,34px)}
.pipe-top{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:28px}
.sim-label{display:inline-flex;align-items:center;gap:9px;font-size:.74rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#7a4b00;border:1px solid #e8c375;background:#fff6e1;padding:6px 12px;border-radius:3px}
.pipe-ctl{display:flex;gap:12px;flex-wrap:wrap}
.pipe{display:flex;align-items:stretch;justify-content:space-between}
.pipe li{display:flex;align-items:center;flex:1 1 0;min-width:0}
.pipe li:last-child{flex:0 0 auto}
.node{position:relative;display:flex;flex-direction:column;align-items:center;gap:10px;background:var(--grey);border:1px solid var(--line);color:var(--navy);border-radius:4px;padding:16px 8px 12px;width:104px;flex:none;transition:border-color .2s,background-color .2s,transform .2s}
.node .icon{width:26px;height:26px;color:var(--soft);transition:color .2s}
.node span.lbl{font-size:.76rem;font-weight:700;line-height:1.25;text-align:center}
.node .status{position:absolute;top:8px;right:8px;width:7px;height:7px;border-radius:50%;background:#b8c3cd;transition:background-color .3s}
.node:hover{border-color:var(--teal);transform:translateY(-3px)}
.node[aria-pressed="true"]{border-color:var(--navy);background:#fff;box-shadow:0 0 0 1px var(--navy)}
.node[aria-pressed="true"] .icon{color:var(--teal-dark)}
.node.running{border-color:#d49a1d;box-shadow:0 0 0 3px rgba(212,154,29,.18)}
.node.running .status{background:#d49a1d;animation:blink 1s infinite}
.node.done .status{background:var(--ok)}
.node.done .icon{color:var(--ok)}
.conn{position:relative;flex:1;height:2px;min-width:14px;background:var(--line);overflow:hidden}
.conn.fill::before{content:"";position:absolute;inset:0;background:var(--teal);transform-origin:left;animation:connfill .7s var(--ease) forwards}
@keyframes connfill{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes connfillv{from{transform:scaleY(0)}to{transform:scaleY(1)}}
@keyframes blink{50%{opacity:.35}}
.pipe-detail{display:grid;grid-template-columns:1.05fr 1fr;gap:30px;margin-top:30px;padding-top:30px;border-top:1px solid var(--line)}
.pipe-info h3{font-family:var(--serif);font-weight:500;font-size:1.6rem;letter-spacing:-.03em;margin-bottom:10px}
.pipe-info p{color:var(--soft)}
.pipe-info .tags{margin-top:16px}
.pstep{display:block;font-size:.74rem;font-weight:800;letter-spacing:.16em;color:var(--teal-dark);margin-bottom:8px}
.term{background:var(--navy-deep);border-radius:4px;font:.8rem/1.7 var(--mono);color:#b9c9d9;display:flex;flex-direction:column;min-height:230px}
.term-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 14px;border-bottom:1px solid rgba(255,255,255,.12);font-size:.72rem;color:#8fa6bb}
.term-bar .sim-label{background:transparent;color:#f5d58a;border-color:rgba(245,213,138,.4)}
.term-log{padding:12px 14px;overflow:auto;max-height:230px;flex:1}
.term-log div{white-space:pre-wrap;word-break:break-word}
.term-log .ok{color:#7fe0b8}.term-log .sim{color:#f5d58a}.term-log .c{color:var(--teal-lt)}

/* about */
.about-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(36px,6vw,92px);align-items:start}
.about-copy h2{margin-bottom:24px}
.about-copy>p{color:var(--soft);margin-bottom:26px;max-width:58ch}
.values{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px}
.values li{display:flex;gap:10px;align-items:flex-start;font-weight:600;font-size:.94rem}
.values .icon{color:var(--teal-dark);margin-top:2px}
.profile{background:#fff;border:1px solid var(--line);padding:30px}
.profile h3{font-family:var(--serif);font-weight:500;font-size:1.5rem;letter-spacing:-.03em;margin-bottom:6px}
.profile .role{color:var(--soft);font-size:.9rem;margin-bottom:18px}
.profile dl{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:130px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);font-size:.92rem}
.row dt{font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--soft);padding-top:3px}
.row dd ul li+li{margin-top:6px}
.links{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.links a,.socials a{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border:1px solid var(--line);background:#fff;border-radius:3px;font-size:.84rem;font-weight:700;transition:border-color .18s,color .18s}
.links a:hover,.socials a:hover{border-color:var(--teal-dark);color:var(--teal-dark)}
.links .icon,.socials .icon{width:16px;height:16px}

/* contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(36px,6vw,92px);align-items:start}
.contact-info h2{margin-bottom:22px}
.contact-info>p{color:#41566b;margin-bottom:30px;max-width:46ch}
.c-list{border-top:1px solid #c9ddd9}
.c-item{display:flex;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid #c9ddd9;transition:color .18s}
.c-item .icon{width:22px;height:22px;color:var(--teal-dark)}
.c-item small{display:block;font-size:.7rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--soft)}
.c-item span{font-weight:700;font-size:1.02rem;overflow-wrap:anywhere}
.c-item:hover{color:var(--teal-dark)}
.socials{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.inquiry{background:#fff;border:1px solid #cfe3df;padding:clamp(22px,3.4vw,42px)}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:.82rem;font-weight:700}
.req{color:var(--err)}
.opt{font-weight:500;color:var(--soft);font-size:.76rem}
.field input,.field select,.field textarea{background:var(--grey);border:1px solid var(--line);border-radius:3px;padding:12px;min-height:48px;width:100%;font-size:.95rem;transition:border-color .18s,box-shadow .18s,background-color .18s}
.field textarea{min-height:140px;resize:vertical}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%231F3B5A' stroke-width='1.8'%3E%3Cpath d='M1 1.5l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#b6c1cb}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal-dark);background-color:#fff;box-shadow:0 0 0 3px rgba(22,125,119,.16)}
.field [aria-invalid="true"]{border-color:var(--err);background-color:#fff7f6}
.err{color:var(--err);font-size:.8rem;font-weight:600}
.err:empty{display:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-foot{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.form-foot .fine{flex-basis:100%;font-size:.8rem;color:var(--soft);margin-top:4px}
.form-foot .fine a{text-decoration:underline;text-underline-offset:3px}
.alert{margin-top:20px;padding:16px 18px;font-size:.93rem;border:1px solid;border-radius:3px}
.alert.ok{border-color:#8fd0b5;background:#effaf4;color:#0b4f38}
.alert.bad{border-color:#f0aaa4;background:#fff3f1;color:#7a1a12}
.alert .acts{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.alert a:not(.btn){text-decoration:underline}

/* faq */
.faq-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(36px,6vw,92px);align-items:start}
.faq-list{border-top:1px solid var(--line)}
.faq{border-bottom:1px solid var(--line)}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;cursor:pointer;list-style:none;font-weight:700;font-size:1.02rem;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--teal-dark)}
.faq .plus{width:22px;height:22px;position:relative;flex:none}
.faq .plus::before,.faq .plus::after{content:"";position:absolute;left:3px;right:3px;top:10px;height:2px;background:var(--navy);transition:transform .25s var(--ease)}
.faq .plus::after{transform:rotate(90deg)}
.faq[open] .plus::after{transform:rotate(0)}
.faq p{padding:0 40px 24px 0;color:var(--soft);max-width:62ch}

/* modal */
dialog.modal{border:0;background:#fff;color:var(--navy);border-radius:4px;padding:0;width:min(920px,calc(100% - 28px));max-height:calc(100svh - 40px);box-shadow:0 40px 90px -20px rgba(22,46,71,.6)}
dialog.modal::backdrop{background:rgba(20,43,66,.7);backdrop-filter:blur(3px)}
.modal-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:28px 32px 0}
.modal-head h3{font-family:var(--serif);font-weight:500;font-size:1.7rem;letter-spacing:-.03em;margin-top:6px}
.modal-x{border:1px solid var(--line);background:#fff;width:40px;height:40px;border-radius:4px;display:grid;place-items:center;flex:none;color:var(--navy)}
.modal-x:hover{border-color:var(--navy)}
.modal-body{padding:20px 32px 32px;display:grid;gap:24px}
.modal-body .proj-img{aspect-ratio:auto;background:var(--grey);border:1px solid var(--line);padding:10px}
.modal-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.modal-body h4{font-size:.74rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-dark);margin-bottom:8px}
.modal-body p,.modal-body li{color:var(--soft);font-size:.95rem}
.ph{border:1px dashed #b6c1cb;background:var(--grey);padding:14px 16px;font-size:.88rem;color:var(--soft)}
.ph b{color:var(--navy)}
.arch path.flow{stroke-dasharray:6 5;animation:dash 1.4s linear infinite}
@keyframes dash{to{stroke-dashoffset:-22}}

/* footer */
footer{background:var(--navy-deep);color:#c6d6e5;padding:62px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
footer .brand-txt b{color:#fff}footer .brand-txt small{color:#9cb4c9}
footer p{font-size:.92rem;margin-top:16px;max-width:36ch}
footer h4{font-size:.74rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:#fff;margin-bottom:16px}
footer li+li{margin-top:10px}
footer li a{font-size:.92rem;border-bottom:1px solid transparent;transition:border-color .18s,color .18s}
footer li a:hover{color:#fff;border-color:var(--teal)}
.legal{border-top:1px solid rgba(255,255,255,.14);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.8rem;color:#9cb4c9}
.legal a{text-decoration:underline;text-underline-offset:3px}

/* simple pages */
.page{padding-block:clamp(48px,7vw,96px)}
.page .rail{max-width:820px}
.page h1{font-size:clamp(2.2rem,5vw,3.4rem);margin-bottom:24px}
.page h2{font-size:1.5rem;letter-spacing:-.02em;margin:34px 0 10px}
.page p{color:var(--soft);margin-bottom:12px}
.page a:not(.btn){color:var(--teal-dark);text-decoration:underline;text-underline-offset:3px}
.draft-note{background:#fff6e1;border:1px solid #e8c375;border-left:3px solid #d49a1d;padding:14px 18px;color:#5b3a00;margin-bottom:20px;font-size:.92rem}
.nf{text-align:center;padding:40px 0}
.nf .big{font-family:var(--serif);font-size:clamp(5rem,16vw,10rem);line-height:1;letter-spacing:-.05em;color:var(--teal-dark)}
.credit-table{width:100%;border-collapse:collapse;font-size:.9rem;margin:16px 0}
.credit-table th,.credit-table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.credit-table th{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--soft)}

/* motion */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease) var(--d,0s),transform .7s var(--ease) var(--d,0s),translate .25s var(--ease),box-shadow .25s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.hide{display:none}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  :root{--rail:min(1224px,calc(100% - 64px))}
  .proj-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tech-groups{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:44px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  :root{--hdr:72px}
  .top-contact{display:none}
  .navbar{border:0}
  .menu-btn{display:block}
  .navbar .rail{display:block;width:100%;min-height:0}
  .nav-cta{display:none}
  .nav-links{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 22px;box-shadow:0 20px 30px -20px rgba(22,46,71,.4)}
  .nav-links.open{display:flex}
  .nav-links a:not(.btn){padding:15px 0;border-bottom:1px solid var(--line);font-size:1rem}
  .nav-links a:not(.btn)::after{display:none}
  .nav-links .btn{display:inline-flex;margin-top:18px}
  .topbar{min-height:68px}
  .svc-grid,.approach-grid,.about-grid,.contact-grid,.faq-grid{grid-template-columns:1fr}
  .svc-media{position:static}
  .svc-media img{aspect-ratio:16/10}
  .approach-media{max-width:520px}
  .approach-media img{aspect-ratio:4/3}
  .hero-overlay{background:linear-gradient(90deg,rgba(20,43,66,.96),rgba(24,48,72,.86) 58%,rgba(24,48,72,.6))}
  #stats{grid-template-columns:repeat(2,1fr)}
  #stats li:nth-child(odd){border-left:0;padding-left:0}
  #stats li:nth-child(n+3){border-top:1px solid rgba(255,255,255,.16)}
  .pipe{flex-direction:column;align-items:stretch}
  .pipe li{flex-direction:column;align-items:stretch;flex:none}
  .pipe li:last-child{flex:none}
  .node{width:100%;flex-direction:row;padding:12px 16px;gap:14px;justify-content:flex-start}
  .node .status{position:static;margin-left:auto}
  .node span.lbl{text-align:left;font-size:.92rem}
  .conn{width:2px;height:20px;min-width:0;margin-left:34px;flex:none}
  .conn.fill::before{transform-origin:top;animation-name:connfillv}
  .pipe-detail{grid-template-columns:1fr}
  .tech{position:static}
  .tech-group{position:relative}
  .tech-tip,.tech-group:nth-child(3n) .tech:nth-last-child(-n+2) .tech-tip,.tech.edge .tech-tip{left:12px;right:12px;width:auto;max-width:none;bottom:calc(100% - 6px)}
}
@media (max-width:640px){
  :root{--rail:calc(100% - 40px)}
  body{font-size:15.5px}
  .brand-txt small{display:none}
  .proj-grid,.tech-groups,.modal-cols,.fgrid,.values,.foot-grid,.steps,.caps{grid-template-columns:1fr}
  .svc summary{grid-template-columns:34px 1fr 24px}
  .svc-body{padding-left:34px}
  .hero-cta .btn{width:100%}
  .row{grid-template-columns:1fr;gap:4px}
  .modal-head,.modal-body{padding-inline:20px}
  .pipe-ctl .btn{flex:1}
  .nav-links{padding-inline:20px}
  .faq p{padding-right:0}
  .form-foot .btn{width:100%}
}
/* ---------- motion (transform/opacity only; all gated by prefers-reduced-motion) ---------- */
.progress{position:absolute;left:0;top:0;right:0;height:3px;z-index:3;background:linear-gradient(90deg,var(--teal),var(--teal-lt));transform:scaleX(0);transform-origin:left;pointer-events:none}
.hero-glow{position:absolute;inset:-12%;z-index:-1;pointer-events:none;background:radial-gradient(38% 46% at 72% 38%,rgba(43,167,160,.26),transparent 70%),radial-gradient(30% 40% at 90% 78%,rgba(121,217,210,.14),transparent 70%)}
.brand-mark .mk-l,.brand-mark .mk-cloud{stroke-dasharray:1;stroke-dashoffset:0}
.brand-mark .mk-dot{opacity:0;transform-box:fill-box;transform-origin:center}
.btn:hover{translate:0 -2px;box-shadow:0 12px 22px -12px rgba(22,46,71,.6)}
.btn:active{translate:0 0;box-shadow:none}
.btn-outline:hover,.btn-ghost:hover{box-shadow:0 12px 22px -14px rgba(22,46,71,.5)}
.tech-group:hover,.profile:hover{translate:0 -4px;box-shadow:0 22px 38px -26px rgba(22,46,71,.45)}
.proj-img{transition:translate .35s var(--ease),box-shadow .35s var(--ease)}
.proj:hover .proj-img{translate:0 -5px;box-shadow:0 24px 40px -24px rgba(22,46,71,.55)}
.step-n{transition:translate .3s var(--ease),color .3s}
.step:hover .step-n{translate:0 -4px;color:var(--teal)}
.top-link .icon{transition:transform .25s var(--ease)}
.top-link:hover .icon{transform:scale(1.15) rotate(-6deg)}
.tag{transition:background-color .2s,border-color .2s,color .2s}
.tag:hover{border-color:var(--teal);color:var(--teal-dark)}
.hero.paused .hero-photo img,.hero.paused .hero-glow{animation-play-state:paused}
@keyframes mk-draw{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}
@keyframes mk-draw2{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}
@keyframes mk-pop{from{opacity:0;transform:scale(.82)}to{opacity:1;transform:none}}
@keyframes mk-spark{0%,55%{opacity:0;transform:scale(0)}75%{opacity:1;transform:scale(2.4)}100%{opacity:0;transform:scale(4)}}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes fadein{from{opacity:0}to{opacity:1}}
@keyframes drift{from{transform:scale(1.06) translate3d(0,0,0)}to{transform:scale(1.13) translate3d(-1.6%,-1%,0)}}
@keyframes glow{from{transform:translate3d(-3%,2%,0)}to{transform:translate3d(4%,-3%,0)}}
@keyframes eq{0%,100%{transform:scaleY(.25)}50%{transform:scaleY(1)}}
@keyframes ring{0%{opacity:.7;transform:scale(.96)}100%{opacity:0;transform:scale(1.18)}}
@media (prefers-reduced-motion:no-preference){
  .brand-mark .mk-bg{animation:mk-pop .6s var(--ease) both}
  .brand-mark .mk-cloud{animation:mk-draw 1.2s .15s var(--ease) both}
  .brand-mark .mk-l1{animation:mk-draw .9s .45s var(--ease) both}
  .brand-mark .mk-l2{animation:mk-draw .9s .85s var(--ease) both}
  .brand-mark .mk-dot{animation:mk-spark 1.2s .9s ease-out both}
  .brand:hover .mk-l1{animation:mk-draw2 .8s var(--ease)}
  .brand:hover .mk-l2{animation:mk-draw2 .8s .3s var(--ease) both}
  .topbar .brand-txt{animation:rise .8s .55s var(--ease) both}
  .hero-photo img{transform-origin:68% 50%;animation:drift 32s ease-in-out infinite alternate;will-change:transform}
  .hero-glow{animation:glow 18s ease-in-out infinite alternate;will-change:transform}
  .hero-copy>*{animation:rise .95s var(--ease) both}
  .hero-copy>:nth-child(1){animation-delay:.1s}.hero-copy>:nth-child(2){animation-delay:.22s}.hero-copy>:nth-child(3){animation-delay:.38s}
  .hero-copy>:nth-child(4){animation-delay:.52s}.hero-copy>:nth-child(5){animation-delay:.66s}
  .facts{animation:fadein 1s .7s both}
  #stats li{animation:rise .8s both}
  #stats li:nth-child(1){animation-delay:.8s}#stats li:nth-child(2){animation-delay:.9s}#stats li:nth-child(3){animation-delay:1s}#stats li:nth-child(4){animation-delay:1.1s}
  .js .steps.reveal .step,.js .svc-list.reveal .svc,.js .faq-list.reveal .faq,.js .values.reveal li{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease);transition-delay:calc(var(--i,0) * .09s + .1s)}
  .js .steps.reveal.in .step,.js .svc-list.reveal.in .svc,.js .faq-list.reveal.in .faq,.js .values.reveal.in li{opacity:1;transform:none}
  .js .svc-media.reveal img,.js .approach-media.reveal img{transform:scale(1.08);transition:transform 1.6s var(--ease)}
  .js .svc-media.reveal.in img,.js .approach-media.reveal.in img{transform:none}
  .js .reveal .eyebrow::before{transform-origin:left;transition:transform .8s .2s var(--ease)}
  .js .reveal:not(.in) .eyebrow::before{transform:scaleX(0)}
  .snd-on .eq i{animation:eq 1.1s ease-in-out infinite}
  .snd-on .eq i:nth-child(2){animation-delay:.25s;animation-duration:.9s}.snd-on .eq i:nth-child(3){animation-delay:.1s;animation-duration:1.3s}.snd-on .eq i:nth-child(4){animation-delay:.4s}
  .sound-btn.armed::after{animation:ring 2.2s ease-out infinite}
}
.steps .step:nth-child(2),.svc-list .svc:nth-child(2),.faq-list .faq:nth-child(2),.values li:nth-child(2){--i:1}
.steps .step:nth-child(3),.svc-list .svc:nth-child(3),.faq-list .faq:nth-child(3),.values li:nth-child(3){--i:2}
.steps .step:nth-child(4),.svc-list .svc:nth-child(4),.faq-list .faq:nth-child(4),.values li:nth-child(4){--i:3}
.svc-list .svc:nth-child(5),.faq-list .faq:nth-child(5),.values li:nth-child(5){--i:4}
.svc-list .svc:nth-child(6),.faq-list .faq:nth-child(6),.values li:nth-child(6){--i:5}
.svc-list .svc:nth-child(7){--i:6}.svc-list .svc:nth-child(8){--i:7}
.stat-v{font-variant-numeric:tabular-nums lining-nums}
.snd-on .eq i{transform:scaleY(.6)}
@media (max-width:900px){
  .topbar{gap:12px}
  .sound-btn{margin-left:auto}
}
@media (max-width:640px){
  .sb-x{display:none}
  .brand-txt b{white-space:nowrap}
  .sound-btn{height:42px;padding:0 12px 0 10px;font-size:.74rem}
  .brand-mark{width:40px;height:40px}
  .snd-hint{top:74px;right:20px}
  .snd-hint::before{right:100px}
}
@media (max-width:400px){
  .brand-txt b{font-size:1.12rem}
  .brand{gap:9px}
  .sound-btn{padding:0 10px 0 9px;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .js .reveal,.js .steps.reveal .step,.js .svc-list.reveal .svc,.js .faq-list.reveal .faq,.js .values.reveal li{opacity:1;transform:none}
  .hero-photo img,.hero-glow,.hero-copy>*,.facts,#stats li,.brand-mark *,.topbar .brand-txt{animation:none!important}
  .brand-mark .mk-dot{opacity:0}
  .progress{display:none}
  .eq i{animation:none!important}
}
h1,h2,.sec-head p,.lede{text-wrap:balance}
.lede{text-wrap:pretty}
.nav-links a.btn{color:#fff;padding:14px 26px;font-size:.9rem}
.nav-links a.btn:hover{color:#fff}