/* =========================================================
   Alex Rivera — Studio site (multi-page)
   Lean, dependency-free CSS. Edit the :root tokens to rebrand.
   Design system: dark, serious & trustworthy. Deep navy/slate
   "ink" surfaces, steel-blue brand, refined sky-blue secondary,
   one restrained muted-gold accent. Sora display + Inter body.
   AA-contrast. Shared across all pages.
========================================================= */
*,*::before,*::after{box-sizing:border-box}
:root{
  /* surfaces — deep navy / slate ink */
  --bg:#0a0f1c; --bg2:#0e1424; --panel:#121a2e; --panel2:#172238;
  --ink:#eef2f9; --muted:#9fb0cc; --faint:#6c7c9b;
  --line:rgba(148,176,224,.12); --line2:rgba(148,176,224,.2);
  /* brand — steel/royal blue primary, refined sky-blue secondary */
  --brand:#3b6fd4; --brand2:#5fa8e6; --accent:#c2a25a; --warm:#c2a25a; --green:#3fae79;
  --grad:linear-gradient(120deg,#3b6fd4,#5fa8e6);
  --grad2:linear-gradient(120deg,#2f5db0,#3b6fd4);
  --grad3:linear-gradient(120deg,#3fae79,#5fa8e6);
  --r:18px; --r-sm:12px; --maxw:1160px; --ease:cubic-bezier(.2,.7,.2,1);
  --shadow:0 18px 50px -20px rgba(0,0,0,.7);
  --glow:0 10px 40px -12px rgba(59,111,212,.5);
}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0; font-family:Inter,system-ui,sans-serif; color:var(--ink);
  background:var(--bg); line-height:1.6; overflow-x:hidden;
  -webkit-font-smoothing:antialiased; min-height:100svh;
}
h1,h2,h3,.brand__name{font-family:Sora,sans-serif;line-height:1.12;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.grad--2{background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent}
.grad--3{background:var(--grad3);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--muted)}
.skip-link{position:absolute;left:-999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;z-index:300;border-radius:0 0 10px 0}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--brand2);outline-offset:3px;border-radius:6px}

/* ---------- animated backdrop ---------- */
.bg-aurora,.bg-particles,.bg-grid{position:fixed;inset:0;z-index:-3;pointer-events:none}
.bg-aurora{
  z-index:-3;
  background:
    radial-gradient(40vw 40vw at 12% 8%,rgba(59,111,212,.22),transparent 60%),
    radial-gradient(45vw 45vw at 88% 16%,rgba(95,168,230,.16),transparent 60%),
    radial-gradient(50vw 50vw at 60% 96%,rgba(47,93,176,.14),transparent 60%),
    var(--bg);
  animation:aurora 22s var(--ease) infinite alternate;
}
@keyframes aurora{0%{filter:hue-rotate(0deg)}100%{filter:hue-rotate(8deg)}}
.bg-particles{z-index:-2;opacity:.55}
.bg-grid{
  z-index:-2;opacity:.32;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(75% 60% at 50% 0%,#000,transparent 78%);
  mask-image:radial-gradient(75% 60% at 50% 0%,#000,transparent 78%);
}

/* ---------- page transition overlay ---------- */
.page-fade{position:fixed;inset:0;z-index:400;background:var(--bg);pointer-events:none;opacity:0;transition:opacity .32s var(--ease)}
.page-fade.show{opacity:1;pointer-events:auto}
body.page-enter main,body.page-enter .footer{animation:pageIn .5s var(--ease) both}
@keyframes pageIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------- buttons ---------- */
.btn{
  --pad:14px 22px; display:inline-flex;align-items:center;gap:.5em;
  padding:var(--pad);border-radius:999px;font-weight:600;font-family:Sora,sans-serif;
  cursor:pointer;border:1px solid transparent;transition:transform .25s var(--ease),box-shadow .25s,background .25s,border-color .25s;
  font-size:.97rem;will-change:transform;line-height:1.1;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 30px -8px rgba(59,111,212,.6)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -10px rgba(59,111,212,.78)}
.btn--ghost{background:rgba(255,255,255,.04);border-color:var(--line2);color:var(--ink)}
.btn--ghost:hover{transform:translateY(-2px);border-color:var(--brand2);background:rgba(255,255,255,.07)}
.btn--lg{--pad:16px 28px;font-size:1.02rem}
.btn--block{width:100%;justify-content:center}
.btn__arrow{transition:transform .25s var(--ease)}
.btn:hover .btn__arrow{transform:translateX(4px)}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s,backdrop-filter .3s,border-color .3s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(9,9,18,.74);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:inline-flex;align-items:center;gap:.55em;font-weight:800;font-size:1.1rem}
.brand__dot{width:12px;height:12px;border-radius:50%;background:var(--grad);box-shadow:0 0 14px var(--brand)}
.nav__links{display:flex;align-items:center;gap:24px}
.nav__links a{color:var(--muted);font-size:.95rem;font-weight:500;transition:color .2s;position:relative}
.nav__links a:not(.btn):hover{color:var(--ink)}
.nav__links a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--grad);transition:width .25s var(--ease)}
.nav__links a:not(.btn):hover::after,.nav__links a:not(.btn).active::after{width:100%}
.nav__links a:not(.btn).active{color:var(--ink)}
.nav__cta{padding:9px 18px}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav__toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s var(--ease)}
.nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav__mobile{display:none;flex-direction:column;gap:6px;padding:0 22px;background:rgba(11,11,21,.97);backdrop-filter:blur(14px);overflow:hidden;max-height:0;transition:max-height .35s var(--ease),padding .35s}
.nav__mobile.open{max-height:420px;padding:14px 22px 22px}
.nav__mobile a{padding:12px 4px;color:var(--ink);border-bottom:1px solid var(--line);font-weight:500}
.nav__mobile a.active{color:var(--brand2)}
.nav__mobile a.btn{border:0;justify-content:center;margin-top:10px}

/* ---------- generic page header (inner pages) ---------- */
.pagehead{position:relative;padding:148px 0 16px;text-align:center}
.pagehead .kicker{justify-content:center}
.pagehead h1{font-size:clamp(2.2rem,6vw,3.7rem);margin:.25em auto .25em;max-width:18ch}
.pagehead p{color:var(--muted);max-width:60ch;margin:0 auto;font-size:clamp(1rem,2.4vw,1.15rem)}
.crumbs{display:inline-flex;gap:.5em;align-items:center;color:var(--muted);font-size:.82rem;margin-bottom:.4em}
.crumbs a:hover{color:var(--brand2)}

/* ---------- hero (home) ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:118px 0 60px}
.hero__inner{max-width:900px}
.hero__eyebrow{display:inline-flex;align-items:center;gap:.6em;font-size:.85rem;color:var(--muted);
  border:1px solid var(--line2);padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.03)}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(52,211,153,.7);animation:pulse 2.2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}
.hero__title{font-size:clamp(2.5rem,7vw,4.7rem);font-weight:800;margin:.4em 0 .2em}
.hero__role{font-family:Sora,sans-serif;color:var(--brand2);font-size:clamp(1rem,3.2vw,1.5rem);margin:.2em 0;min-height:1.5em;font-weight:600}
.caret{animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.hero__sub{color:var(--muted);font-size:clamp(1rem,2.4vw,1.18rem);max-width:62ch;margin:1.1em 0 0}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:2em}
.hero__stats{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:3.2em 0 0;padding:0}
.hero__stats li{display:flex;flex-direction:column}
.hero__stats .stat{font-family:Sora,sans-serif;font-weight:800;font-size:clamp(1.5rem,4vw,2.2rem);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__stats small{color:var(--muted);font-size:.8rem}
.hero__scroll{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);color:var(--muted);font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:8px}
.hero__scroll span{width:1px;height:34px;background:linear-gradient(var(--brand2),transparent);animation:scrolldn 1.8s var(--ease) infinite}
@keyframes scrolldn{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- marquee ---------- */
.marquee{overflow:hidden;border-block:1px solid var(--line);padding:18px 0;background:rgba(255,255,255,.02);-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:46px;width:max-content;animation:marq 28s linear infinite}
.marquee__track span{color:var(--muted);font-family:Sora,sans-serif;font-weight:600;font-size:1.05rem;white-space:nowrap}
@keyframes marq{to{transform:translateX(-50%)}}
.marquee:hover .marquee__track{animation-play-state:paused}

/* ---------- sections ---------- */
.section{padding:clamp(60px,9vw,116px) 0;position:relative}
.section--tight{padding:clamp(40px,6vw,72px) 0}
.section--alt{background:linear-gradient(180deg,transparent,rgba(255,255,255,.02),transparent)}
.section__head{max-width:700px;margin:0 auto 52px;text-align:center}
.kicker{display:inline-flex;align-items:center;gap:.5em;text-transform:uppercase;letter-spacing:.2em;font-size:.78rem;font-weight:600;color:var(--brand2);margin:0 0 .6em}
.kicker::before{content:"";width:22px;height:1px;background:var(--brand2);opacity:.6}
.section h2{font-size:clamp(1.8rem,4.5vw,2.8rem);margin:0}
.section__lead{color:var(--muted);margin:.8em 0 0}

.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--projects{grid-template-columns:repeat(2,1fr)}

/* ---------- cards ---------- */
.card{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:var(--r);padding:30px;transition:transform .35s var(--ease),border-color .35s,box-shadow .35s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(59,111,212,.18),transparent 45%);opacity:0;transition:opacity .35s}
.card:hover{border-color:rgba(59,111,212,.5);box-shadow:var(--shadow)}
.card:hover::before{opacity:1}
.card__icon{font-size:1.8rem;width:58px;height:58px;display:grid;place-items:center;border-radius:14px;background:rgba(59,111,212,.12);border:1px solid var(--line);margin-bottom:18px}
.card h3{margin:0 0 .5em;font-size:1.25rem}
.card p{color:var(--muted);margin:0 0 1em}
.ticks{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.ticks li{position:relative;padding-left:24px;font-size:.92rem}
.ticks li::before{content:"✓";position:absolute;left:0;color:var(--brand2);font-weight:700}

/* ---------- projects ---------- */
.project{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s,border-color .35s}
.project:hover{box-shadow:var(--shadow);border-color:rgba(95,168,230,.4)}
.project__media{position:relative;height:200px;display:grid;place-items:center;background:linear-gradient(135deg,var(--p1),var(--p2));overflow:hidden}
.project__media::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.25),transparent 50%)}
.project__badge{position:absolute;top:14px;left:14px;z-index:2;font-size:.72rem;font-weight:600;background:rgba(0,0,0,.45);color:#fff;padding:5px 12px;border-radius:999px;backdrop-filter:blur(4px)}
.project__phone{width:88px;height:150px;border-radius:18px;background:#0c0c16;border:3px solid rgba(255,255,255,.5);padding:8px;box-shadow:0 20px 40px -12px rgba(0,0,0,.6);transition:transform .5s var(--ease)}
.project__screen{width:100%;height:100%;border-radius:9px;background:linear-gradient(180deg,rgba(255,255,255,.25),rgba(255,255,255,.06))}
.project:hover .project__phone{transform:translateY(-6px) rotate(-3deg)}
.project__browser{width:78%;height:120px;border-radius:12px;background:#0c0c16;border:1px solid rgba(255,255,255,.4);box-shadow:0 20px 40px -12px rgba(0,0,0,.6);transition:transform .5s var(--ease);padding:0}
.project__browser i{display:inline-block;width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.6);margin:10px 3px 0 10px}
.project:hover .project__browser{transform:translateY(-6px) scale(1.02)}
.project__body{padding:24px}
.project__body h3{margin:0 0 .4em;font-size:1.2rem}
.project__body p{color:var(--muted);margin:0 0 .6em;font-size:.95rem}
.project__metric{color:var(--brand2)!important;font-weight:600;font-size:.88rem!important}
.project__tags{display:flex;flex-wrap:wrap;gap:8px;margin:.4em 0 1em}
.project__tags span{font-size:.75rem;color:var(--muted);border:1px solid var(--line);padding:4px 10px;border-radius:999px}
.link-arrow{color:var(--ink);font-weight:600;font-size:.92rem;transition:gap .25s;display:inline-flex;gap:4px}
.link-arrow:hover{color:var(--brand2)}

/* ---------- process ---------- */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{background:linear-gradient(180deg,rgba(255,255,255,.04),transparent);border:1px solid var(--line);border-radius:var(--r);padding:28px 24px;position:relative}
.step__num{font-family:Sora,sans-serif;font-weight:800;font-size:2.4rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:.2em}
.step h3{margin:0 0 .4em;font-size:1.15rem}
.step p{color:var(--muted);margin:0;font-size:.92rem}

/* ---------- CTA band ---------- */
.cta-band{position:relative;border:1px solid var(--line2);border-radius:24px;padding:clamp(34px,6vw,64px);text-align:center;overflow:hidden;background:
  radial-gradient(60% 120% at 50% 0%,rgba(59,111,212,.22),transparent 70%),var(--panel)}
.cta-band h2{font-size:clamp(1.7rem,4.5vw,2.6rem);margin:0 0 .4em}
.cta-band p{color:var(--muted);max-width:54ch;margin:0 auto 1.6em}
.cta-band__row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* =========================================================
   SOLUTIONS PAGE
========================================================= */
.solver{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:0 0 14px}
.solver__btn{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:22px 18px 22px 20px;cursor:pointer;text-align:left;color:var(--ink);font:inherit;transition:transform .25s var(--ease),border-color .25s,background .25s,box-shadow .25s;display:flex;flex-direction:column;gap:8px;overflow:hidden}
.solver__btn .ic{font-size:1.7rem}
.solver__btn b{font-family:Sora,sans-serif;font-size:1.02rem}
.solver__btn small{color:var(--muted);font-size:.84rem;line-height:1.4}
.solver__btn:hover{transform:translateY(-3px);border-color:var(--brand2)}
.solver__btn:focus-visible{outline:2px solid var(--brand2);outline-offset:2px}
/* ---- SELECTED state: clear border + fill + left accent bar + check badge ---- */
.solver__btn[aria-pressed="true"]{
  border-color:var(--brand);
  background:linear-gradient(180deg,rgba(59,111,212,.20),rgba(59,111,212,.07));
  box-shadow:var(--glow),inset 0 0 0 1px rgba(95,168,230,.35);
}
.solver__btn[aria-pressed="true"]::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);
}
.solver__btn[aria-pressed="true"] b{color:#fff}
.solver__btn[aria-pressed="true"] small{color:var(--ink)}
/* check badge in the top-right corner — replaces the old broken "Selected" text */
.solver__btn[aria-pressed="true"]::after{
  content:"✓";position:absolute;top:12px;right:12px;
  width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--grad);color:#0a0f1c;font-weight:800;font-size:.82rem;line-height:1;
  box-shadow:0 2px 10px -2px rgba(59,111,212,.8);
  animation:badgePop .28s var(--ease) both;
}
@keyframes badgePop{from{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}
@media (prefers-reduced-motion:reduce){.solver__btn[aria-pressed="true"]::after{animation:none}}
.solver__panel{background:var(--panel);border:1px solid var(--line2);border-radius:24px;padding:clamp(24px,4vw,40px);position:relative;overflow:hidden}
.solver__panel::before{content:"";position:absolute;inset:0;background:radial-gradient(50% 80% at 100% 0%,rgba(95,168,230,.12),transparent 60%);pointer-events:none}
.sol__top{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:8px}
.sol__emoji{font-size:2.2rem;width:64px;height:64px;display:grid;place-items:center;border-radius:16px;background:rgba(59,111,212,.12);border:1px solid var(--line)}
.sol__top h2{font-size:clamp(1.5rem,4vw,2.1rem);margin:0}
.sol__rec{display:inline-flex;align-items:center;gap:.5em;font-family:Sora,sans-serif;font-weight:600;color:#fff;background:var(--grad);padding:7px 16px;border-radius:999px;font-size:.9rem;margin:.2em 0 1em}
.sol__lead{color:var(--muted);max-width:70ch;margin:0 0 1.6em;font-size:1.05rem}
.sol__cols{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:start}
.sol__why h3,.sol__meta h3{font-size:.82rem;text-transform:uppercase;letter-spacing:.16em;color:var(--brand2);margin:0 0 .9em}
.sol__why ul{list-style:none;padding:0;margin:0 0 1.6em;display:flex;flex-direction:column;gap:10px}
.sol__why li{position:relative;padding-left:26px;color:var(--ink)}
.sol__why li::before{content:"→";position:absolute;left:0;color:var(--brand2);font-weight:700}
.sol__meta{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.sol__metarow{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line)}
.sol__metarow:last-child{border-bottom:0}
.sol__metarow span{color:var(--muted);font-size:.9rem}
.sol__metarow b{font-family:Sora,sans-serif;text-align:right;font-size:.92rem}
.sol__chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:1.4em}
.sol__chips span{font-size:.8rem;padding:6px 12px;border-radius:999px;background:rgba(59,111,212,.1);border:1px solid var(--line)}
.sol__cta{margin-top:1.8em;display:flex;gap:12px;flex-wrap:wrap}

/* =========================================================
   MEETING PAGE
========================================================= */
.meet{display:grid;grid-template-columns:.95fr 1.05fr;gap:42px;align-items:start}
.meet__aside h2{font-size:clamp(1.6rem,4vw,2.2rem);margin:.2em 0 .5em}
.meet__aside p{color:var(--muted)}
.meet__list{list-style:none;padding:0;margin:1.6em 0;display:flex;flex-direction:column;gap:16px}
.meet__list li{display:flex;gap:14px;align-items:flex-start}
.meet__list .ic{font-size:1.1rem;width:40px;height:40px;flex:none;display:grid;place-items:center;border-radius:12px;background:rgba(95,168,230,.1);border:1px solid var(--line)}
.meet__list b{font-family:Sora,sans-serif;display:block;font-size:.98rem}
.meet__list small{color:var(--muted);font-size:.86rem}
.form-card{background:var(--panel);border:1px solid var(--line2);border-radius:24px;padding:clamp(24px,4vw,36px);position:relative;overflow:hidden}
.form-card h3{margin:0 0 .3em;font-size:1.3rem}
.form-card .sub{color:var(--muted);margin:0 0 1.6em;font-size:.95rem}
.field{display:flex;flex-direction:column;gap:6px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form .field+.field,form .field-row+.field,form .field+.field-row,form .field-row+.field-row{margin-top:16px}
.field label{font-size:.88rem;font-weight:500}
.field .req{color:var(--accent)}
.field input,.field select,.field textarea{
  background:rgba(255,255,255,.04);border:1px solid var(--line2);border-radius:12px;
  padding:13px 15px;color:var(--ink);font:inherit;font-size:.95rem;width:100%;transition:border-color .2s,background .2s}
.field textarea{resize:vertical;min-height:96px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:rgba(59,111,212,.06)}
.field.invalid input,.field.invalid textarea,.field.invalid select{border-color:#f87171}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%239aa0c0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 15px center;padding-right:40px}
.error{color:#f87171;font-size:.8rem;min-height:1em}
.form-note{font-size:.9rem;margin:14px 0 0}
.form-note.bad{color:#f87171}
/* slot picker */
.slots{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:6px}
.slot{background:rgba(255,255,255,.04);border:1px solid var(--line2);border-radius:12px;padding:11px 6px;cursor:pointer;color:var(--ink);font:inherit;font-size:.86rem;text-align:center;transition:.2s var(--ease)}
.slot:hover{border-color:var(--brand2)}
.slot:focus-visible{outline:2px solid var(--brand2);outline-offset:2px}
.slot[aria-pressed="true"]{background:var(--grad);color:#0a0f1c;border-color:var(--brand);font-weight:700;box-shadow:0 6px 18px -8px rgba(59,111,212,.8)}
.slot[aria-pressed="true"]::before{content:"✓ ";font-weight:800}
/* success state */
.meet-success{display:none;text-align:center;padding:10px 0}
.meet-success.show{display:block;animation:pageIn .5s var(--ease) both}
.success-check{width:84px;height:84px;margin:0 auto 18px;border-radius:50%;background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.4);display:grid;place-items:center}
.success-check svg{width:42px;height:42px;stroke:var(--green);stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round}
.success-check path{stroke-dasharray:40;stroke-dashoffset:40;animation:draw .6s .15s var(--ease) forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.meet-success h3{font-size:1.5rem;margin:0 0 .4em}
.meet-success p{color:var(--muted);max-width:46ch;margin:0 auto .4em}
.summary{text-align:left;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;margin:1.4em auto 1.4em;max-width:420px}
.summary div{display:flex;justify-content:space-between;gap:14px;padding:7px 0;border-bottom:1px dashed var(--line);font-size:.92rem}
.summary div:last-child{border-bottom:0}
.summary span{color:var(--muted)}
.summary b{font-family:Sora,sans-serif;text-align:right}

/* =========================================================
   FAQ PAGE
========================================================= */
.faq-search{max-width:560px;margin:0 auto 8px;position:relative}
.faq-search input{width:100%;background:var(--panel);border:1px solid var(--line2);border-radius:999px;padding:15px 20px 15px 48px;color:var(--ink);font:inherit;font-size:1rem;transition:border-color .2s}
.faq-search input:focus{outline:none;border-color:var(--brand)}
.faq-search .ic{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--muted)}
.faq-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:22px 0 30px}
.faq-tab{background:rgba(255,255,255,.04);border:1px solid var(--line2);border-radius:999px;padding:9px 18px;cursor:pointer;color:var(--muted);font:inherit;font-size:.88rem;font-weight:500;transition:.2s var(--ease)}
.faq-tab:hover{color:var(--ink)}
.faq-tab:focus-visible{outline:2px solid var(--brand2);outline-offset:2px}
.faq-tab.active{background:var(--grad);color:#0a0f1c;border-color:var(--brand);font-weight:700;box-shadow:0 6px 18px -8px rgba(59,111,212,.7)}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.qa{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:border-color .25s}
.qa:hover{border-color:var(--line2)}
.qa.open{border-color:rgba(59,111,212,.45)}
.qa__q{width:100%;background:none;border:0;color:var(--ink);font:inherit;font-family:Sora,sans-serif;font-size:1.04rem;font-weight:600;text-align:left;padding:20px 22px;display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer}
.qa__icon{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line2);display:grid;place-items:center;transition:transform .3s var(--ease),background .3s;color:var(--brand2)}
.qa.open .qa__icon{transform:rotate(45deg);background:var(--grad);color:#fff;border-color:transparent}
.qa__a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.qa__a-inner{padding:0 22px 22px;color:var(--muted);line-height:1.7}
.qa__noresult{text-align:center;color:var(--muted);padding:30px}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);padding:54px 0 30px;margin-top:40px;background:rgba(0,0,0,.25)}
.footer__top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;margin-bottom:38px}
.footer__tag{color:var(--muted);margin:.7em 0 0;font-size:.92rem;max-width:34ch}
.footer__col h4{font-family:Sora,sans-serif;font-size:.92rem;margin:0 0 1em;color:var(--ink)}
.footer__col a{display:block;color:var(--muted);font-size:.92rem;padding:5px 0;transition:color .2s}
.footer__col a:hover{color:var(--brand2)}
.footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:18px;align-items:center;border-top:1px solid var(--line);padding-top:24px}
.footer__social{display:flex;gap:10px}
.footer__social a{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:12px;font-size:.78rem;font-weight:600;color:var(--muted);transition:.25s var(--ease)}
.footer__social a:hover{color:#fff;border-color:var(--brand);transform:translateY(-3px);background:rgba(59,111,212,.15)}
.footer__copy{color:var(--muted);font-size:.82rem;margin:0}

/* ---------- back to top ---------- */
.to-top{position:fixed;right:20px;bottom:20px;z-index:90;width:46px;height:46px;border-radius:50%;border:1px solid var(--line2);background:rgba(12,12,22,.85);backdrop-filter:blur(8px);color:var(--ink);font-size:1.1rem;cursor:pointer;opacity:0;transform:translateY(16px) scale(.8);pointer-events:none;transition:.3s var(--ease)}
.to-top.show{opacity:1;transform:none;pointer-events:auto}
.to-top:hover{border-color:var(--brand);transform:translateY(-3px)}

/* ---------- scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .grid--3,.grid--4{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .solver{grid-template-columns:1fr 1fr}
  .sol__cols{grid-template-columns:1fr;gap:22px}
  .meet{grid-template-columns:1fr;gap:30px}
  .footer__top{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav__links{display:none}
  .nav__toggle{display:flex}
  .nav__mobile{display:flex}
  .grid--projects{grid-template-columns:1fr}
  .hero__stats{grid-template-columns:1fr 1fr;gap:22px}
  .field-row{grid-template-columns:1fr}
}
@media (max-width:520px){
  .grid--3,.grid--4,.grid--2{grid-template-columns:1fr}
  .steps,.solver{grid-template-columns:1fr}
  .slots{grid-template-columns:1fr 1fr}
  .footer__top{grid-template-columns:1fr}
  .footer__bottom{flex-direction:column;align-items:flex-start}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
  .bg-particles{display:none}
  .success-check path{stroke-dashoffset:0}
  body.page-enter main,body.page-enter .footer{animation:none}
}