/* ===================================================================
   Redesign preview — "Analytical Aurora" palette on the Quiet hero
   foundation. Standalone file: does not affect index.html.

   Contrast-verified token roles (see chat for full computations):
     - Every color that appears as TEXT has a light-surface variant
       and a dark-surface variant. Never use the "wrong" one directly.
   =================================================================== */

:root{
  /* surfaces */
  --midnight:#0a1220;
  --slate-1:#0f1929;
  --slate-2:#16233a;
  --paper:#f4f1ea;
  --card-light:#ffffff;
  --line-dark:rgba(255,255,255,.12);
  --line-light:rgba(16,24,38,.12);

  /* text */
  --ink:#101826;              /* primary text on light, >15:1 on white */
  --text-on-dark:#eef1f6;     /* primary text on dark, >15:1 on midnight */
  --secondary-dark:#cddae6;   /* prominent secondary text on dark (intro, bio) */
  --muted-dark:#93a2b8;       /* quiet captions on dark, 6.07:1 on slate-2 */
  --muted-ink:#55606f;        /* quiet captions on light, ~6.3:1 on white */

  /* electric blue — primary actions & links */
  --blue:#4d8dff;             /* on dark: 5.87:1 as text; as button bg use dark text */
  --blue-ink:#1d5fd1;         /* on light: 5.82:1 as text */

  /* aurora teal — secondary / data-oriented emphasis, numbered-label motif */
  --teal:#26d6b3;             /* on dark: 10.13:1 */
  --teal-ink:#0f7a68;         /* on light: 5.25:1 */

  /* restrained coral — contact CTA + selected metrics/highlights */
  --coral:#ff8a65;            /* background use; pair with --midnight text: 8.10:1 */
  --coral-ink:#a83f1c;        /* text-on-light use: 6.19:1 */

  --max:1260px;
  --radius:16px;
  --ease-out:cubic-bezier(.23,1,.32,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--midnight);color:var(--text-on-dark);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;background:none;border:none;color:inherit}
.shell{max-width:var(--max);margin:auto;padding-left:30px;padding-right:30px}

a:focus-visible,button:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:4px}

/* ---------------- Nav / header (scroll-edge material) ---------------- */
.navwrap{position:sticky;top:0;z-index:20;background:rgba(10,18,32,.72);backdrop-filter:blur(18px) saturate(160%);border-bottom:1px solid transparent;transition:background 200ms ease,border-color 200ms ease}
.navwrap.is-scrolled{background:rgba(10,18,32,.94);border-bottom-color:var(--line-dark)}
header{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-weight:800;letter-spacing:.01em}
.brand small{display:block;font-size:11px;color:var(--teal);letter-spacing:.13em;text-transform:uppercase;margin-top:2px}
nav{display:flex;gap:20px;color:#d7e0ea;font-size:14px}
nav a:hover{color:var(--teal)}

.nav-toggle{display:none;width:44px;height:44px;padding:0;border:1px solid var(--line-dark);border-radius:10px;background:rgba(255,255,255,.04);flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle-bar{display:block;width:20px;height:2px;background:var(--text-on-dark);transition:transform 200ms var(--ease-out),opacity 200ms var(--ease-out)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------------- Entrance-motion contract (hero only) ---------------- */
[data-enter="fade"]{opacity:0;transform:translateY(10px);transition:opacity 450ms var(--ease-out),transform 450ms var(--ease-out)}
[data-enter="fade"].is-in{opacity:1;transform:none}
[data-enter="scale"]{opacity:0;transform:scale(.96);transition:opacity 450ms var(--ease-out),transform 450ms var(--ease-out)}
[data-enter="scale"].is-in{opacity:1;transform:scale(1)}
@media(prefers-reduced-motion:reduce){
  [data-enter="fade"],[data-enter="scale"]{transform:none!important;transition:opacity 150ms ease!important}
}

/* ---------------- Hero ---------------- */
.hero{padding:112px 0 64px;background:radial-gradient(circle at 78% 12%,rgba(77,141,255,.16),transparent 32%),linear-gradient(160deg,#0a1220 0%,#101d33 100%)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.eyebrow{color:var(--teal);letter-spacing:.14em;text-transform:uppercase;font-size:12px;font-weight:800;margin-bottom:16px}
.hero h1{font-size:clamp(40px,6.2vw,74px);line-height:.98;max-width:760px;margin:0 0 22px;letter-spacing:-.045em}
.hero h1 span{color:var(--teal)}
.intro{max-width:52ch;font-size:18px;color:var(--secondary-dark);margin:0 0 30px}
.buttons{display:flex;flex-wrap:wrap;gap:14px}

.button{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:999px;background:var(--blue);color:var(--midnight);font-weight:800;box-shadow:0 16px 32px -14px rgba(77,141,255,.45);transition:transform 160ms var(--ease-out),box-shadow 160ms var(--ease-out)}
.button:hover{transform:translateY(-2px);box-shadow:0 20px 40px -14px rgba(77,141,255,.55)}
.button:active{transform:scale(.97)}
.button.secondary{background:transparent;color:#dbe4ee;border:1px solid rgba(255,255,255,.24);box-shadow:none}
.button.secondary:hover{background:rgba(255,255,255,.06);transform:translateY(-2px)}
@media(prefers-reduced-motion:reduce){
  .button,.button:hover,.button:active{transform:none;transition:box-shadow 150ms ease}
}

.portrait-area{position:relative;min-height:430px;display:flex;align-items:center;justify-content:center}
.portrait{width:min(330px,84%);aspect-ratio:1;object-fit:cover;border-radius:32px;border:1px solid rgba(255,255,255,.16);box-shadow:0 34px 64px -24px rgba(4,8,16,.6),0 0 0 1px rgba(255,255,255,.05)}
.portrait-card{position:absolute;bottom:20px;left:0;background:rgba(10,18,32,.78);border:1px solid var(--line-dark);padding:15px 18px;border-radius:14px;backdrop-filter:blur(12px)}
.portrait-card strong{display:block}
.portrait-card span{font-size:13px;color:var(--teal)}

.hero-stats{margin-top:48px;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line-dark);border-radius:18px;overflow:hidden;background:rgba(255,255,255,.03)}
.stat{padding:20px;border-inline-start:1px solid var(--line-dark)}
.stat:first-child{border-inline-start:none}
.stat b{display:block;color:var(--text-on-dark);font-size:14px}
.stat span{display:block;font-size:12px;color:var(--muted-dark);margin-top:4px}

/* ---------------- Shared section rhythm ---------------- */
.section{padding:96px 0}
.light{background:var(--paper);color:var(--ink)}
.section-head{display:grid;grid-template-columns:220px 1fr;gap:34px;margin-bottom:44px}
.section h2{font-size:clamp(31px,4.5vw,55px);line-height:1;letter-spacing:-.045em;margin:0 0 15px}

/* label motif: dark-context default, overridden per light section below */
.kicker{color:var(--teal);letter-spacing:.14em;text-transform:uppercase;font-size:12px;font-weight:800}
.light .kicker,.process .kicker{color:var(--teal-ink)}
.light .section-head p,.process .section-head p{color:var(--muted-ink);font-size:18px;max-width:710px;margin:0}
.work .section-head p,.about .section-head p{color:var(--muted-dark);font-size:18px;max-width:710px;margin:0}

/* ---------------- Shared card system (What I solve / Selected work / How I work) ---------------- */
.solve,.project,.step{transition:transform 200ms var(--ease-out),box-shadow 200ms var(--ease-out)}
@media(hover:hover) and (pointer:fine){
  .solve:hover,.project:hover,.step:hover{transform:translateY(-3px)}
}
@media(prefers-reduced-motion:reduce){
  .solve,.project,.step{transition:box-shadow 150ms ease}
  .solve:hover,.project:hover,.step:hover{transform:none}
}

/* What I solve */
.solve-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.solve{padding:24px;border:1px solid var(--line-light);border-radius:var(--radius);background:var(--card-light);box-shadow:0 16px 32px -22px rgba(16,24,38,.16)}
.solve:hover{box-shadow:0 24px 44px -22px rgba(16,24,38,.26)}
.solve .n{color:var(--teal-ink);letter-spacing:.14em;text-transform:uppercase;font-size:12px;font-weight:800}
.solve h3{font-size:24px;line-height:1.06;margin:15px 0 10px;color:var(--ink)}
.solve p{color:var(--muted-ink);margin:0}

/* Selected work */
.work{background:var(--slate-1)}
.project-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.project{padding:24px;border:1px solid var(--line-dark);border-radius:var(--radius);background:linear-gradient(145deg,rgba(255,255,255,.06),rgba(255,255,255,.015));min-height:330px;display:flex;flex-direction:column;justify-content:space-between;grid-column:span 2}
.project:hover{box-shadow:0 24px 44px -20px rgba(4,8,16,.55)}
.project.lead{grid-column:span 3;background:linear-gradient(135deg,rgba(77,141,255,.22),rgba(38,214,179,.10))}
.type{color:var(--teal);letter-spacing:.14em;text-transform:uppercase;font-size:12px;font-weight:800}
.project h3{font-size:26px;line-height:1.04;margin:12px 0;color:var(--text-on-dark)}
.project p{color:var(--muted-dark)}
.chips{display:flex;gap:7px;flex-wrap:wrap;margin-top:18px}
.chip{font-size:12px;color:#c9f7ec;background:rgba(38,214,179,.12);border:1px solid rgba(38,214,179,.28);padding:6px 10px;border-radius:999px}
.dash{margin-top:18px;padding:16px;border:1px solid var(--line-dark);border-radius:12px;background:var(--midnight)}
.dash small{color:var(--muted-dark)}
.bars{display:flex;align-items:end;gap:7px;height:76px;margin-top:10px}
.bar{display:block;flex:1;border-radius:5px 5px 0 0;background:linear-gradient(var(--teal),var(--blue))}
.bar:nth-child(1){height:32%}
.bar:nth-child(2){height:68%}
.bar:nth-child(3){height:42%}
.bar:nth-child(4){height:85%}
.bar:nth-child(5){height:54%}
.bar:nth-child(6){height:92%}

/* How I work */
.process{background:linear-gradient(135deg,#eef2f6,#eef7f4);color:var(--ink)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{padding:24px;border-top:4px solid var(--teal-ink);background:var(--card-light);border-radius:var(--radius);box-shadow:0 16px 32px -22px rgba(16,24,38,.16)}
.step:hover{box-shadow:0 24px 44px -22px rgba(16,24,38,.26)}
.step b{font-size:31px;color:var(--teal-ink)}
.step h3{margin:9px 0;font-size:22px;color:var(--ink)}
.step p{color:var(--muted-ink);margin:0}

/* About */
.about{background:var(--midnight)}
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px}
.about p{font-size:18px;color:var(--secondary-dark);max-width:700px}
.skills{display:flex;flex-wrap:wrap;gap:9px;margin-top:23px}
.skills span{padding:8px 12px;border-radius:999px;border:1px solid var(--line-dark);background:rgba(255,255,255,.03);color:#dbe6f0;font-size:13px}
.timeline{border-left:1px solid var(--line-dark);padding-left:26px}
.timeline div{position:relative;padding-bottom:25px}
.timeline div:before{content:"";position:absolute;width:10px;height:10px;border-radius:50%;left:-32px;top:6px;background:var(--teal);box-shadow:0 0 0 6px rgba(38,214,179,.12)}
.timeline b{display:block;color:var(--text-on-dark)}
.timeline span{color:var(--muted-dark);font-size:14px}

/* Contact */
.contact{background:var(--coral);color:var(--midnight);padding:80px 0}
.contact-grid{display:flex;align-items:center;justify-content:space-between;gap:30px}
.contact h2{font-size:clamp(33px,5vw,62px);margin:0;letter-spacing:-.05em;line-height:.95}
.contact p{font-size:18px;max-width:620px;color:var(--midnight)}
.contact .button,.contact .button.secondary{background:var(--midnight)!important;color:#ffffff!important;border:1px solid var(--midnight)!important;box-shadow:none}
.contact .button:hover,.contact .button.secondary:hover{background:var(--slate-2)!important;color:#ffffff!important}

/* Footer */
footer{padding:28px 0;background:var(--midnight);color:var(--muted-dark);font-size:13px}
.footer-flex{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------------- Responsive ---------------- */
@media(max-width:850px){
  .nav-toggle{display:flex}
  nav{position:fixed;top:76px;left:0;right:0;flex-direction:column;gap:0;background:rgba(10,18,32,.96);backdrop-filter:blur(20px) saturate(160%);border-bottom:1px solid var(--line-dark);max-height:calc(100vh - 76px);overflow-y:auto;opacity:0;transform:translateY(-8px);pointer-events:none;transition:opacity 200ms var(--ease-out),transform 200ms var(--ease-out)}
  nav[data-open]{opacity:1;transform:translateY(0);pointer-events:auto}
  nav a{padding:14px 30px;min-height:44px;display:flex;align-items:center;font-size:16px;border-bottom:1px solid var(--line-dark)}
  .hero-grid,.section-head,.about-grid{grid-template-columns:1fr}
  .hero{padding-top:58px}
  .portrait-area{min-height:330px;order:-1}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-inline-start:none}
  .section-head{gap:10px}
  .project-grid,.solve-grid,.steps{grid-template-columns:1fr}
  .project,.project.lead{grid-column:auto}
  .contact-grid{display:block}
  .contact .buttons{margin-top:24px}
}
@media(max-width:1100px) and (min-width:851px){
  .solve-grid,.steps,.project-grid{grid-template-columns:repeat(2,1fr)}
  .project{grid-column:span 1}
  .project.lead{grid-column:span 2}
}
@media(max-width:480px){
  .shell{padding-left:19px;padding-right:19px}
  .section{padding:62px 0}
  .hero h1{font-size:49px}
  .portrait{width:76%}
}

@media(prefers-reduced-motion:reduce){
  .nav-toggle-bar{transition:none}
  nav{transition:opacity 150ms ease;transform:none}
}