/* ============================================================
   Soklo — Digitaalinen kivijalka
   Yhteinen tyylitiedosto kaikille sivuille.
   Värit, fontit ja layout on lukittu briiffissä (konsepti.md).
   ============================================================ */

:root{
  --black:#1c1a18; --ink:#26231f; --umber:#322c25; --umber-2:#3c352d;
  --graphite:#4b4a4e; --lead:#6a6862; --sepia:#9a8164; --sepia-bright:#b89a78;
  --taupe:#b3a591; --linen:#ddd3c4; --paper:#ece4d6; --ivory:#f4efe6;
  --line:rgba(221,211,196,.16);
  --serif:"Fraunces",Georgia,serif;
  --text:"Spectral",Georgia,serif;
  --mono:"Spline Sans Mono",ui-monospace,monospace;
  --nav-h:74px; --maxw:1180px;
  --pad-y:clamp(72px,11vw,150px); --pad-x:clamp(22px,5vw,56px);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--text);font-weight:300;font-size:17px;line-height:1.85;
  color:var(--paper);background:var(--ink);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.011) 0 1px,transparent 1px 3px);
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{margin:0;padding:0;list-style:none}

h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.08;letter-spacing:-.02em;margin:0 0 .4em}
h1 em,h2 em,h3 em{font-style:italic;color:var(--sepia-bright)}
p{margin:0 0 1.1em}
p:last-child{margin:0}

:focus-visible{outline:2px solid var(--sepia-bright);outline-offset:3px;border-radius:1px}
:focus:not(:focus-visible){outline:none}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1!important;transform:none!important}
}

.skip{position:absolute;left:-9999px}
.skip:focus{position:fixed;top:0;left:0;z-index:999;padding:14px 22px;background:var(--sepia);color:var(--ink);font-family:var(--mono);font-size:13px}

.mono{font-family:var(--mono);font-weight:400;font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--sepia)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad-x)}

/* käsin piirretty alleviivaus */
.ul{display:block;width:140px;height:9px;color:var(--lead);margin:.2em 0 0}

/* ---- NAV ---- */
.nav{position:sticky;top:0;z-index:100;height:var(--nav-h);background:rgba(28,26,24,.86);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav__in{max-width:var(--maxw);height:100%;margin:0 auto;padding:0 var(--pad-x);
  display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:12px}
.brand svg{width:26px;height:26px;color:var(--sepia-bright)}
.brand b{font-family:var(--mono);font-weight:500;font-size:16px;letter-spacing:.34em;text-transform:uppercase;color:var(--ivory);padding-left:.34em}
.nav__links{display:flex;align-items:center;gap:34px}
.nav__links a{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--linen);transition:color .2s}
.nav__links a:hover{color:var(--sepia-bright)}
.nav__cta{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  border:1px solid var(--lead);padding:11px 18px;border-radius:1px;transition:.2s;color:var(--ivory)}
.nav__cta:hover{border-color:var(--sepia-bright);color:var(--sepia-bright)}
@media(max-width:860px){.nav__links{display:none}}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;
  letter-spacing:.16em;text-transform:uppercase;padding:15px 30px;border-radius:1px;transition:.25s;min-height:46px}
.btn--solid{background:var(--paper);color:var(--ink)}
.btn--solid:hover{background:var(--ivory);transform:translateY(-1px)}
.btn--ghost{border:1px solid var(--lead);color:var(--linen)}
.btn--ghost:hover{border-color:var(--sepia-bright);color:var(--sepia-bright)}

/* ---- HERO ---- */
.hero{position:relative;padding:clamp(70px,12vw,140px) 0 var(--pad-y);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(120% 90% at 80% 0%,rgba(154,129,100,.10),transparent 60%);pointer-events:none}
.hero__grid{position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(circle at 75% 10%,#000,transparent 70%)}
.hero .wrap{position:relative}
.hero h1{font-size:clamp(44px,8.2vw,98px);font-optical-sizing:auto;max-width:14ch;margin-top:.3em}
.hero__lead{font-size:clamp(18px,2.3vw,22px);max-width:46ch;color:var(--linen);margin-top:1.2em}
.hero__btns{display:flex;gap:16px;flex-wrap:wrap;margin-top:2.6em}

.corner{position:absolute;width:30px;height:30px;border:1px solid var(--lead);opacity:.55}
.corner.tr{top:var(--nav-h);right:18px;border-left:0;border-bottom:0;margin-top:30px}
.corner.bl{bottom:40px;left:18px;border-right:0;border-top:0}

/* fade-up load */
.fu{opacity:0;transform:translateY(18px);animation:fu .9s cubic-bezier(.2,.7,.3,1) forwards}
@keyframes fu{to{opacity:1;transform:none}}
.d1{animation-delay:.05s}.d2{animation-delay:.18s}.d3{animation-delay:.32s}.d4{animation-delay:.46s}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

/* ---- section base ---- */
.sec{padding:var(--pad-y) 0;border-top:1px solid var(--line)}
.sec__head{max-width:640px;margin-bottom:clamp(40px,6vw,72px)}
.sec__head h2{font-size:clamp(32px,5vw,54px);margin-top:.4em}

/* ---- exclusivity band ---- */
.band{background:var(--black);text-align:center}
.band .wrap{padding-top:clamp(60px,9vw,110px);padding-bottom:clamp(60px,9vw,110px)}
.band h2{font-size:clamp(30px,5vw,52px);max-width:18ch;margin:.5em auto 0}
.band p{max-width:52ch;margin:1.4em auto 0;color:var(--linen)}

/* ---- process ---- */
.steps{display:grid;gap:0;border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:auto 1fr;gap:clamp(20px,4vw,52px);
  padding:clamp(26px,4vw,40px) 0;border-bottom:1px solid var(--line);align-items:baseline}
.step__n{font-family:var(--mono);font-size:13px;color:var(--sepia);letter-spacing:.1em}
.step h3{font-size:clamp(22px,3vw,30px);margin-bottom:.3em}
.step p{color:var(--taupe);max-width:60ch}

/* ---- pricing ---- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:860px){.plans{grid-template-columns:1fr}}
.plan{background:var(--umber);border:1px solid var(--line);padding:clamp(28px,3vw,38px);
  display:flex;flex-direction:column;transition:border-color .3s,transform .3s}
.plan:hover{border-color:var(--sepia);transform:translateY(-3px)}
.plan--feat{background:var(--umber-2);border-color:var(--sepia)}
.plan__tag{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink);
  background:var(--sepia-bright);align-self:flex-start;padding:4px 10px;border-radius:1px;margin-bottom:1.4em}
.plan h3{font-size:30px;margin-bottom:.1em}
.plan__desc{color:var(--taupe);font-size:15px;min-height:3.4em}
.plan__price{margin:1.4em 0 .2em;padding-top:1.2em;border-top:1px solid var(--line)}
.plan__price .big{font-family:var(--serif);font-size:40px;color:var(--ivory);line-height:1}
.plan__price .per{font-family:var(--mono);font-size:12px;color:var(--lead);letter-spacing:.06em}
.plan__sub{font-family:var(--mono);font-size:12px;color:var(--sepia);letter-spacing:.04em;margin-top:.5em}
.plan ul{margin:1.6em 0 2em;display:grid;gap:.7em}
.plan li{font-size:15px;color:var(--linen);padding-left:22px;position:relative}
.plan li::before{content:"—";position:absolute;left:0;color:var(--sepia)}
.plan .btn{margin-top:auto;justify-content:center}

/* ---- reference ---- */
.ref{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
@media(max-width:760px){.ref{grid-template-columns:1fr}}
.ref__card{background:var(--ivory);color:var(--ink);padding:clamp(28px,4vw,48px);
  background-image:repeating-linear-gradient(var(--linen) 0 1px,transparent 1px 32px);background-blend-mode:multiply}
.ref__card .mono{color:var(--sepia)}
.ref__card h3{color:var(--ink);font-size:30px;margin-top:.4em}
.ref__card p{color:var(--umber)}
.ref__card em{font-style:italic;color:var(--sepia)}

/* ---- form ---- */
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:760px;margin-top:8px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1/-1}
.field label{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--sepia)}
.field input,.field select,.field textarea{
  font-family:var(--text);font-size:16px;color:var(--ivory);background:var(--black);
  border:1px solid var(--graphite);border-radius:1px;padding:13px 15px;transition:border-color .2s}
.field textarea{resize:vertical;min-height:120px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--sepia-bright);outline:none}
.form__note{font-family:var(--mono);font-size:12px;color:var(--lead);letter-spacing:.03em;grid-column:1/-1;margin-top:4px}
@media(max-width:620px){.form{grid-template-columns:1fr}}

/* ---- footer ---- */
.footer{border-top:1px solid var(--line);background:var(--black);padding:clamp(48px,7vw,80px) 0 40px}
.footer__cols{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:48px}
.footer__brand{display:flex;align-items:center;gap:12px}
.footer__brand svg{width:24px;height:24px;color:var(--sepia-bright)}
.footer__brand b{font-family:var(--mono);font-weight:500;letter-spacing:.32em;text-transform:uppercase;color:var(--ivory)}
.footer__contact{font-family:var(--mono);font-size:13px;color:var(--linen);line-height:2;letter-spacing:.03em}
.footer__bottom{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--lead);
  padding-top:26px;border-top:1px solid var(--line)}