/* Signakin — landing page
   Tokens come from the Signakin Design System (claude.ai/design project
   "Signakin Design System"). Keep values in sync with tokens/*.css there. */

:root{
  /* Base palette */
  --sk-ice:#E8EEF3;
  --sk-steel:#B7C6D6;
  --sk-slate:#6B7C93;
  --sk-charcoal:#2E3A47;
  --sk-accent:#4F9DFF;
  /* Extended neutrals */
  --sk-white:#FFFFFF;
  --sk-paper:#F4F6F8;
  --sk-mist:#DCE4EC;
  --sk-graphite:#47576B;
  --sk-ink:#232B36;
  --sk-black:#161C24;
  /* Accent ramp */
  --sk-accent-soft:#E7F0FF;
  --sk-accent-strong:#2F86F5;
  --sk-accent-deep:#1C6BD0;
  --sk-success:#2E9E6B;
  --sk-danger:#D8503A;
  --sk-whatsapp:#25D366;

  /* Semantic */
  --text-primary:var(--sk-charcoal);
  --text-secondary:var(--sk-graphite);
  --text-meta:var(--sk-slate);
  --text-accent:var(--sk-accent-deep);
  --surface-page:var(--sk-paper);
  --surface-card:var(--sk-white);
  --surface-sunken:var(--sk-ice);
  --surface-inverse:var(--sk-ink);
  --surface-hover:rgba(46,58,71,.04);
  --surface-active:rgba(46,58,71,.08);
  --line-hairline:rgba(46,58,71,.08);
  --line-default:var(--sk-mist);
  --line-strong:var(--sk-steel);
  --line-inverse:rgba(255,255,255,.12);

  --grad-neutral-light:linear-gradient(90deg,#F4F6F8 0%,var(--sk-steel) 60%,var(--sk-charcoal) 100%);
  --grad-neutral-ink:linear-gradient(90deg,var(--sk-ice) 0%,var(--sk-slate) 45%,var(--sk-charcoal) 100%);
  --grad-page:radial-gradient(120% 90% at 20% 0%,#FBFCFD 0%,#EDF1F5 55%,#E4EAF0 100%);
  --grad-surface-3d:linear-gradient(150deg,#F7F9FB 0%,#DEE6EE 40%,#AFC0D2 100%);

  /* Type */
  --sk-font-display:"Figtree","Helvetica Neue",Arial,sans-serif;
  --sk-font-sans:"Figtree","Helvetica Neue",Arial,sans-serif;
  --sk-font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --type-h3:500 24px/1.18 var(--sk-font-sans);
  --type-h4:500 17px/1.18 var(--sk-font-sans);
  --type-body:400 15px/1.6 var(--sk-font-sans);
  --type-body-lg:400 17px/1.6 var(--sk-font-sans);
  --type-ui:500 14px/1.2 var(--sk-font-sans);
  --type-meta:400 12px/1.35 var(--sk-font-sans);
  --type-mono:400 12px/1.5 var(--sk-font-mono);

  /* Spacing, radii, layout */
  --sk-radius-xs:6px;
  --sk-radius-sm:10px;
  --sk-radius-md:14px;
  --sk-radius-lg:20px;
  --sk-radius-xl:28px;
  --sk-radius-2xl:36px;
  --sk-radius-pill:999px;
  --sk-container:1200px;
  --sk-gutter:24px;
  --sk-section-y:112px;

  /* Elevation */
  --sk-shadow-xs:0 1px 2px rgba(46,58,71,.06);
  --sk-shadow-sm:0 1px 3px rgba(46,58,71,.06),0 6px 16px -8px rgba(46,58,71,.10);
  --sk-shadow-md:0 2px 6px rgba(46,58,71,.05),0 14px 32px -12px rgba(46,58,71,.14);
  --sk-shadow-lg:0 4px 12px rgba(46,58,71,.06),0 32px 64px -20px rgba(46,58,71,.20);
  --sk-ring-focus:0 0 0 3px rgba(79,157,255,.28);
  --sk-blur-glass:saturate(150%) blur(18px);

  /* Motion */
  --sk-dur-fast:160ms;
  --sk-dur-base:240ms;
  --sk-dur-slow:420ms;
  --sk-dur-mark:900ms;
  --sk-ease-standard:cubic-bezier(.2,.7,.25,1);
  --sk-ease-out:cubic-bezier(.16,1,.3,1);
  --sk-transition-ui:background-color var(--sk-dur-fast) var(--sk-ease-standard),color var(--sk-dur-fast) var(--sk-ease-standard),border-color var(--sk-dur-fast) var(--sk-ease-standard),box-shadow var(--sk-dur-fast) var(--sk-ease-standard),transform var(--sk-dur-fast) var(--sk-ease-standard);

  color-scheme:light;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--surface-page);color:var(--text-primary);font:var(--type-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,canvas{display:block;max-width:100%}
a{color:var(--text-accent);text-decoration:none;transition:var(--sk-transition-ui)}
a:hover{color:var(--sk-accent-deep);text-decoration:underline;text-underline-offset:3px}
button,input,select,textarea{font:inherit;color:inherit}
::selection{background:var(--sk-accent-soft);color:var(--sk-charcoal)}
:focus-visible{outline:none;box-shadow:var(--sk-ring-focus);border-radius:var(--sk-radius-sm)}

.container{width:100%;max-width:calc(var(--sk-container) + var(--sk-gutter)*2);margin:0 auto;padding:0 var(--sk-gutter)}
.section{padding:var(--sk-section-y) 0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:16px;top:-60px;z-index:100;background:var(--sk-charcoal);color:#fff;padding:10px 16px;border-radius:var(--sk-radius-pill)}
.skip-link:focus{top:12px;color:#fff}

.eyebrow{font:600 12px/1.2 var(--sk-font-sans);letter-spacing:.16em;text-transform:uppercase;color:var(--text-meta)}
.display{font:400 clamp(42px,6.2vw,72px)/1.04 var(--sk-font-display);letter-spacing:-.03em;text-wrap:balance}
.h2{font:400 clamp(32px,4.4vw,56px)/1.06 var(--sk-font-display);letter-spacing:-.03em;text-wrap:balance}
.h3{font:400 clamp(26px,2.8vw,32px)/1.14 var(--sk-font-display);letter-spacing:-.02em}
.lead{font:var(--type-body-lg);color:var(--text-secondary);max-width:540px}
.mono{font-family:var(--sk-font-mono)}
.section-head{display:grid;gap:18px;max-width:720px;margin-bottom:56px}

.icon{display:inline-block;width:18px;height:18px;flex:none;background:currentColor;-webkit-mask:var(--i) center/contain no-repeat;mask:var(--i) center/contain no-repeat}

/* ---------- Buttons (every button is a full pill) ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--sk-radius-pill);border:1px solid transparent;font:var(--type-ui);font-size:15px;cursor:pointer;white-space:nowrap;transition:var(--sk-transition-ui);text-decoration:none;background:none}
.btn:hover{text-decoration:none}
.btn:active{transform:scale(.98)}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-sm{height:36px;padding:0 16px;font-size:13px}
.btn-primary{background:var(--sk-charcoal);color:#fff;box-shadow:var(--sk-shadow-xs)}
.btn-primary:hover{background:var(--sk-ink);color:#fff;box-shadow:var(--sk-shadow-sm)}
.btn-secondary{border-color:var(--sk-steel);color:var(--sk-charcoal)}
.btn-secondary:hover{background:#fff;border-color:var(--sk-slate);color:var(--sk-charcoal)}
.btn-ghost{color:var(--sk-charcoal)}
.btn-ghost:hover{background:var(--surface-hover);color:var(--sk-charcoal)}
.btn-light{background:#fff;color:var(--sk-charcoal)}
.btn-light:hover{background:var(--sk-ice);color:var(--sk-charcoal)}
.btn-outline-inverse{border-color:rgba(255,255,255,.22);color:#fff}
.btn-outline-inverse:hover{background:rgba(255,255,255,.08);color:#fff}
.btn .icon{width:16px;height:16px}
.btn .arrow{transition:transform var(--sk-dur-fast) var(--sk-ease-standard)}
.btn:hover .arrow{transform:translateX(3px)}

.tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--sk-radius-pill);border:1px solid var(--line-default);font:500 12px/1 var(--sk-font-sans);color:var(--text-secondary);background:#fff}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:40;background:rgba(244,246,248,.72);-webkit-backdrop-filter:var(--sk-blur-glass);backdrop-filter:var(--sk-blur-glass);border-bottom:1px solid transparent;transition:border-color var(--sk-dur-base) var(--sk-ease-standard),background-color var(--sk-dur-base) var(--sk-ease-standard)}
.site-header.is-scrolled{border-bottom-color:var(--line-hairline);background:rgba(244,246,248,.86)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--sk-charcoal);font:500 21px/1 var(--sk-font-display);letter-spacing:-.02em}
.logo:hover{text-decoration:none;color:var(--sk-charcoal)}
.logo svg{width:28px;height:28px;overflow:visible}
.nav-links{display:flex;gap:4px}
.nav-links a{display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:var(--sk-radius-pill);font:var(--type-ui);color:var(--text-secondary)}
.nav-links a:hover{background:var(--surface-hover);color:var(--sk-charcoal);text-decoration:none}
.nav-links a[aria-current="true"]{color:var(--sk-charcoal);background:var(--surface-active)}
.nav-cta{display:flex;align-items:center;gap:8px}
.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--sk-radius-pill);border:1px solid var(--line-default);background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle .icon{width:18px;height:18px}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--grad-page);padding:56px 0 72px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.hero-copy{display:grid;gap:22px;justify-items:start}
.hero-copy .display .mark-inline{display:inline-block;width:.62em;height:.62em;vertical-align:-.02em;margin-left:.08em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px}
.hero-note{display:flex;align-items:center;gap:10px;font:var(--type-meta);color:var(--text-meta)}
.hero-note .dot{width:8px;height:8px;border-radius:50%;background:var(--sk-success);box-shadow:0 0 0 4px rgba(46,158,107,.14)}

.hero-visual{position:relative;aspect-ratio:1/1.04;width:100%;max-width:560px;justify-self:end;border-radius:var(--sk-radius-2xl);overflow:hidden;background:var(--grad-surface-3d);box-shadow:var(--sk-shadow-lg);isolation:isolate}
.hero-visual canvas{position:absolute;inset:0;width:100%;height:100%;cursor:pointer;opacity:0;transition:opacity var(--sk-dur-mark) var(--sk-ease-out)}
.hero-visual.is-ready canvas{opacity:1}
.hero-visual .fallback{position:absolute;inset:0;display:grid;place-items:center;transition:opacity var(--sk-dur-slow) var(--sk-ease-out)}
.hero-visual .fallback svg{width:38%;filter:drop-shadow(0 18px 24px rgba(35,43,54,.35))}
.hero-visual.is-ready .fallback{opacity:0}
.hero-visual .hint{position:absolute;left:20px;bottom:18px;z-index:2;display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 12px;border-radius:var(--sk-radius-pill);background:rgba(255,255,255,.7);-webkit-backdrop-filter:var(--sk-blur-glass);backdrop-filter:var(--sk-blur-glass);font:var(--type-mono);color:var(--text-secondary);pointer-events:none}
.hero-visual .state{position:absolute;right:20px;top:18px;z-index:2;font:var(--type-mono);color:var(--text-meta);pointer-events:none}

.stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:72px;border-top:1px solid var(--line-hairline)}
.stat{padding:24px 24px 0 0;display:grid;gap:6px}
.stat + .stat{padding-left:24px;border-left:1px solid var(--line-hairline)}
.stat-value{font:400 40px/1 var(--sk-font-display);letter-spacing:-.03em;color:var(--sk-charcoal);font-variant-numeric:tabular-nums}
.stat-value small{font:400 .5em/1 var(--sk-font-mono);letter-spacing:0;color:var(--text-meta);margin-left:4px}
.stat-label{font:var(--type-meta);color:var(--text-meta)}

/* ---------- Services (3D) ---------- */
.services{background:var(--sk-ink);color:#EEF2F6;position:relative}
.services .eyebrow{color:#8B9CB0}
.services .lead{color:#B7C6D6}
.services-grid{display:grid;grid-template-columns:1fr 1.12fr;gap:56px;align-items:start}
.service-steps{display:grid}
.service-step{min-height:72vh;display:grid;align-content:center;gap:18px;padding:40px 0;opacity:.32;transition:opacity var(--sk-dur-slow) var(--sk-ease-out)}
.service-step.is-active{opacity:1}
.service-step .num{font:var(--type-mono);color:#8B9CB0}
.service-step p{color:#B7C6D6;max-width:460px}
.service-step ul{display:flex;flex-wrap:wrap;gap:8px}
.service-step li{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--sk-radius-pill);border:1px solid var(--line-inverse);font:500 12px/1 var(--sk-font-sans);color:#D5DEE8}
.service-step:first-child{min-height:60vh}
.services-intro{padding-top:var(--sk-section-y)}
.services-visual{position:sticky;top:92px;height:calc(100vh - 128px);min-height:440px;max-height:760px;margin:40px 0}
.stage{position:relative;height:100%;border-radius:var(--sk-radius-2xl);overflow:hidden;background:radial-gradient(90% 80% at 50% 30%,#2F3A48 0%,#1D242E 70%);border:1px solid var(--line-inverse)}
.stage canvas{position:absolute;inset:0;width:100%;height:100%}
.stage .fallback{position:absolute;inset:0;display:grid;place-items:center}
.stage .fallback svg{width:22%;opacity:.9}
.stage.is-ready .fallback{display:none}
.stage-tabs{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);z-index:2;display:flex;gap:4px;padding:4px;border-radius:var(--sk-radius-pill);background:rgba(22,28,36,.6);-webkit-backdrop-filter:var(--sk-blur-glass);backdrop-filter:var(--sk-blur-glass);border:1px solid var(--line-inverse);max-width:calc(100% - 24px);overflow-x:auto;scrollbar-width:none}
.stage-tabs button{height:32px;padding:0 14px;border-radius:var(--sk-radius-pill);border:0;background:transparent;color:#B7C6D6;font:var(--type-ui);font-size:13px;cursor:pointer;white-space:nowrap;transition:var(--sk-transition-ui)}
.stage-tabs button:hover{background:rgba(255,255,255,.06);color:#fff}
.stage-tabs button[aria-selected="true"]{background:#fff;color:var(--sk-charcoal)}
.stage-label{position:absolute;left:20px;top:18px;z-index:2;font:var(--type-mono);color:#8B9CB0}

/* ---------- Capabilities ---------- */
.capabilities{position:relative}
.cap-bar{height:6px;border-radius:var(--sk-radius-pill);background:var(--grad-neutral-ink);margin-bottom:28px;transform-origin:left;transform:scaleX(var(--p,0));transition:transform 60ms linear}
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--surface-card);border-radius:var(--sk-radius-lg);border:1px solid var(--line-hairline);box-shadow:var(--sk-shadow-sm);padding:28px;transition:var(--sk-transition-ui)}
.card:hover{transform:translateY(-2px);box-shadow:var(--sk-shadow-md)}
.cap-card{display:grid;gap:14px;align-content:start}
.cap-card .num{font:var(--type-mono);color:var(--text-meta)}
.cap-card h3{font:var(--type-h3);letter-spacing:-.02em}
.cap-card p{color:var(--text-secondary)}
.cap-card ul{display:grid;gap:8px;margin-top:6px;padding-top:16px;border-top:1px solid var(--line-hairline)}
.cap-card li{display:flex;gap:10px;align-items:center;font:400 14px/1.4 var(--sk-font-sans);color:var(--text-secondary)}
.cap-card li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sk-steel);flex:none}

/* ---------- Use cases ---------- */
.uses{background:#fff;border-top:1px solid var(--line-hairline);border-bottom:1px solid var(--line-hairline)}
.use-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-hairline);border:1px solid var(--line-hairline);border-radius:var(--sk-radius-lg);overflow:hidden}
.use{background:#fff;padding:28px;display:grid;gap:12px;align-content:start;transition:background-color var(--sk-dur-fast) var(--sk-ease-standard)}
.use:hover{background:var(--sk-paper)}
.use .icon-wrap{width:40px;height:40px;border-radius:var(--sk-radius-md);display:grid;place-items:center;background:var(--sk-ice);color:var(--sk-charcoal)}
.use h3{font:var(--type-h4)}
.use p{font:400 14px/1.5 var(--sk-font-sans);color:var(--text-secondary)}

/* ---------- Process ---------- */
.process-wrap{position:relative}
.process-track{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:40px}
.process-track::before{content:"";position:absolute;left:0;right:0;top:11px;height:2px;border-radius:2px;background:var(--line-default)}
.process-fill{position:absolute;left:0;top:11px;height:2px;border-radius:2px;width:100%;background:var(--grad-neutral-ink);transform-origin:left;transform:scaleX(var(--p,0));z-index:1}
.process-step{position:relative;display:grid;gap:12px;align-content:start}
.process-step::before{content:"";position:absolute;top:-36px;left:0;width:16px;height:16px;border-radius:50%;background:#fff;border:2px solid var(--sk-steel);transition:var(--sk-transition-ui);z-index:2}
.process-step.is-done::before{background:var(--sk-charcoal);border-color:var(--sk-charcoal)}
.process-step .num{font:var(--type-mono);color:var(--text-meta)}
.process-step h3{font:var(--type-h3);letter-spacing:-.02em}
.process-step p{color:var(--text-secondary)}
.process-step .deliv{font:var(--type-mono);color:var(--text-meta);padding-top:12px;border-top:1px solid var(--line-hairline)}

/* ---------- Why ---------- */
.why-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.why-sticky{position:sticky;top:120px;display:grid;gap:20px;justify-items:start}
.why-list{display:grid;gap:12px}
.why-item{display:grid;grid-template-columns:44px 1fr;gap:18px;align-items:start;padding:24px}
.why-item .icon-wrap{width:44px;height:44px;border-radius:var(--sk-radius-md);display:grid;place-items:center;background:var(--sk-charcoal);color:#fff}
.why-item h3{font:var(--type-h4);margin-bottom:6px}
.why-item p{color:var(--text-secondary)}

/* ---------- Stack ---------- */
.stack{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.stack .tag{font:var(--type-mono);height:30px}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:start}
.faq-list{display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line-hairline);border-radius:var(--sk-radius-lg);box-shadow:var(--sk-shadow-xs);transition:box-shadow var(--sk-dur-fast) var(--sk-ease-standard)}
.faq-item[open]{box-shadow:var(--sk-shadow-sm)}
.faq-item summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 24px;cursor:pointer;font:var(--type-h4);border-radius:var(--sk-radius-lg)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .icon{transition:transform var(--sk-dur-base) var(--sk-ease-standard);color:var(--text-meta)}
.faq-item[open] summary .icon{transform:rotate(45deg)}
.faq-item .answer{padding:0 24px 22px;color:var(--text-secondary);max-width:640px}

/* ---------- Contact ---------- */
.contact{background:var(--grad-page)}
.contact-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:start}
.channels{display:grid;gap:12px;margin-top:36px}
.channel{display:grid;grid-template-columns:44px 1fr auto;gap:16px;align-items:center;padding:20px 22px;color:var(--text-primary)}
.channel:hover{text-decoration:none;color:var(--text-primary)}
.channel .icon-wrap{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--sk-ice);color:var(--sk-charcoal)}
.channel strong{display:block;font:var(--type-h4)}
.channel span{font:var(--type-meta);color:var(--text-meta)}
.channel .arrow{color:var(--text-meta);transition:transform var(--sk-dur-fast) var(--sk-ease-standard)}
.channel:hover .arrow{transform:translateX(3px);color:var(--sk-charcoal)}
.channel.primary{background:var(--sk-charcoal);color:#fff;border-color:transparent}
.channel.primary:hover{background:var(--sk-ink);color:#fff}
.channel.primary .icon-wrap{background:var(--sk-whatsapp);color:#fff}
.channel.primary span{color:#B7C6D6}
.channel.primary .arrow{color:#B7C6D6}
.channel.primary:hover .arrow{color:#fff}

.form-card{padding:36px;border-radius:var(--sk-radius-xl)}
.form-card h3{font:400 28px/1.15 var(--sk-font-display);letter-spacing:-.02em}
.form-card > p{color:var(--text-secondary);margin-top:8px}
.form{display:grid;gap:16px;margin-top:28px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:8px}
.field label{font:500 13px/1.2 var(--sk-font-sans);color:var(--text-secondary)}
.field input,.field select,.field textarea{width:100%;height:46px;padding:0 14px;border-radius:var(--sk-radius-sm);border:1px solid var(--line-default);background:#fff;font:var(--type-body);color:var(--text-primary);transition:var(--sk-transition-ui);-webkit-appearance:none;appearance:none}
.field textarea{height:auto;min-height:120px;padding:12px 14px;resize:vertical}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%236B7C93' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' viewBox='0 0 24 24'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:40px}
.field input:hover,.field select:hover,.field textarea:hover{border-color:var(--sk-steel)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--sk-accent);box-shadow:var(--sk-ring-focus)}
.field input[aria-invalid="true"],.field textarea[aria-invalid="true"]{border-color:var(--sk-danger)}
.check{display:flex;gap:10px;align-items:flex-start;font:400 13px/1.45 var(--sk-font-sans);color:var(--text-secondary)}
.check input{width:18px;height:18px;margin:1px 0 0;accent-color:var(--sk-charcoal);flex:none}
.form-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:4px}
.form-meta{font:var(--type-meta);color:var(--text-meta)}
.hp{position:absolute;left:-9999px}

/* ---------- Footer ---------- */
.site-footer{background:var(--sk-ink);color:#B7C6D6;padding:96px 0 40px}
.footer-sign{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;padding-bottom:56px;border-bottom:1px solid var(--line-inverse)}
.footer-sign .h2{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding:48px 0}
.footer-grid h4{font:600 12px/1.2 var(--sk-font-sans);letter-spacing:.16em;text-transform:uppercase;color:#8B9CB0;margin-bottom:16px}
.footer-grid li + li{margin-top:10px}
.footer-grid a{color:#D5DEE8}
.footer-grid a:hover{color:#fff}
.footer-grid .logo{color:#fff;margin-bottom:16px}
.footer-grid p{max-width:300px}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;padding-top:24px;border-top:1px solid var(--line-inverse);font:var(--type-meta);color:#8B9CB0}
.footer-bottom a{color:#B7C6D6}

/* ---------- WhatsApp FAB (always on screen) ---------- */
.wa-fab{position:fixed;right:max(20px,env(safe-area-inset-right));bottom:max(20px,env(safe-area-inset-bottom));z-index:60;display:inline-flex;align-items:center;gap:10px;height:56px;padding:0 20px 0 8px;border-radius:var(--sk-radius-pill);background:var(--sk-charcoal);color:#fff;font:var(--type-ui);font-size:15px;box-shadow:0 4px 12px rgba(35,43,54,.18),0 18px 40px -14px rgba(35,43,54,.45);transition:var(--sk-transition-ui);animation:fab-in var(--sk-dur-mark) var(--sk-ease-out) .6s both}
.wa-fab:hover{background:var(--sk-ink);color:#fff;text-decoration:none;transform:translateY(-2px)}
.wa-fab:active{transform:scale(.98)}
.wa-fab .wa-icon{width:40px;height:40px;border-radius:50%;background:var(--sk-whatsapp);display:grid;place-items:center;position:relative}
.wa-fab .wa-icon::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--sk-whatsapp);opacity:0}
.wa-fab.is-nudge .wa-icon::after{animation:trace 1.6s var(--sk-ease-out) 2}
.wa-fab svg{width:22px;height:22px}
@keyframes fab-in{from{opacity:0;transform:translateY(8px) scale(.96)}to{opacity:1;transform:none}}
@keyframes trace{0%{opacity:.6;transform:scale(1)}100%{opacity:0;transform:scale(1.9)}}

/* ---------- Toast ---------- */
.toast{position:fixed;left:20px;bottom:20px;z-index:70;max-width:360px;display:grid;grid-template-columns:auto 1fr;gap:12px;padding:16px 18px;border-radius:var(--sk-radius-md);background:#fff;border:1px solid var(--line-hairline);box-shadow:var(--sk-shadow-lg);opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity var(--sk-dur-base) var(--sk-ease-out),transform var(--sk-dur-base) var(--sk-ease-out)}
.toast.is-visible{opacity:1;transform:none;pointer-events:auto}
.toast strong{display:block;font:var(--type-h4);font-size:15px}
.toast p{font:var(--type-meta);color:var(--text-secondary);margin-top:2px}
.toast svg{width:22px;height:22px;margin-top:2px}

/* ---------- Reveal ---------- */
.js .reveal{opacity:0;transform:translateY(8px) scale(.99);transition:opacity var(--sk-dur-mark) var(--sk-ease-out),transform var(--sk-dur-mark) var(--sk-ease-out);transition-delay:var(--d,0ms)}
.js .reveal.is-in{opacity:1;transform:none}
.rise{animation:rise var(--sk-dur-mark) var(--sk-ease-out) var(--d,0ms) both}
.rise-soft{animation-name:rise-soft}
@keyframes rise{from{opacity:0;transform:translateY(8px) scale(.99)}}
@keyframes rise-soft{from{transform:translateY(8px)}}

/* ---------- Legal pages ---------- */
.legal{padding:72px 0 112px}
.legal .container{max-width:768px}
.legal h1{font:400 clamp(36px,5vw,56px)/1.06 var(--sk-font-display);letter-spacing:-.03em;margin:16px 0 24px}
.legal h2{font:var(--type-h3);margin:40px 0 12px}
.legal p,.legal li{color:var(--text-secondary);margin-bottom:12px}
.legal ul{list-style:disc;padding-left:20px}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .use-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:960px){
  :root{--sk-section-y:88px}
  .nav-links{position:fixed;inset:68px 0 auto 0;flex-direction:column;gap:2px;padding:12px var(--sk-gutter) 20px;background:rgba(244,246,248,.97);-webkit-backdrop-filter:var(--sk-blur-glass);backdrop-filter:var(--sk-blur-glass);border-bottom:1px solid var(--line-hairline);transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity var(--sk-dur-base) var(--sk-ease-out),transform var(--sk-dur-base) var(--sk-ease-out),visibility var(--sk-dur-base)}
  .nav-links.is-open{opacity:1;transform:none;visibility:visible}
  .nav-links a{height:48px;font-size:16px}
  .nav-toggle{display:inline-flex}
  .nav-cta .btn-ghost{display:none}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{justify-self:stretch;max-width:none;aspect-ratio:1/.9}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){padding-left:0;border-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line-hairline);margin-top:24px}
  .services-grid{grid-template-columns:1fr;gap:0}
  .services-visual{order:-1;top:68px;height:44vh;min-height:280px;margin:0 calc(var(--sk-gutter)*-1);z-index:2}
  .stage{border-radius:0;border-left:0;border-right:0}
  .service-step,.service-step:first-child{min-height:62vh;padding:32px 0}
  .services-intro{padding-top:var(--sk-section-y);padding-bottom:32px}
  .process-track{grid-template-columns:1fr 1fr;row-gap:56px}
  .process-track::before,.process-fill{display:none}
  .process-step::before{top:-28px}
  .why-grid,.faq-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .why-sticky{position:static}
}
@media (max-width:640px){
  .nav-cta .btn-primary{display:none}
  .hero{padding-top:32px}
  .stats{margin-top:48px}
  .stat-value{font-size:32px}
  .cap-grid,.use-grid,.process-track{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:24px}
  .footer-grid{grid-template-columns:1fr}
  .wa-fab{padding:0 8px;height:60px}
  .wa-fab .wa-label{display:none}
  .wa-fab .wa-icon{width:44px;height:44px}
  .toast{left:16px;right:88px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .js .reveal{opacity:1;transform:none}
}