/* ============================================================
   The Digital Den — landing page system
   Built to the design-studio standard (Impeccable + DMP).
   - OKLCH palette, neutrals tinted toward the amber brand hue
   - Fraunces (display) + Hanken Grotesk (humanist body): serif×sans contrast
   - Fluid type scale (1.25), 65ch measures, line-height vertical rhythm
   - Multi-layer shadows, focus-visible rings, restrained motion
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  /* Brand (OKLCH) */
  --amber:        oklch(76% 0.115 70);     /* primary accent / CTA */
  --amber-strong: oklch(66% 0.125 58);     /* hover/pressed */
  --green:        oklch(52% 0.075 165);    /* secondary, links */
  --green-strong: oklch(45% 0.08 165);

  /* Ink (cool anchor for contrast against warm paper) */
  --ink:      oklch(26% 0.018 215);        /* headings */
  --ink-soft: oklch(40% 0.016 210);        /* body */
  --muted:    oklch(54% 0.012 210);        /* secondary text */

  /* Paper neutrals — tinted toward the amber brand hue (not generic warm) */
  --paper:   oklch(96.5% 0.013 80);        /* page bg */
  --panel:   oklch(93.5% 0.02 80);         /* alt sections */
  --surface: oklch(99% 0.006 80);          /* cards */
  --line:    oklch(88% 0.022 80);          /* hairlines */

  /* Dark section surfaces (depth via lightness, brand-tinted near-black) */
  --dark:    oklch(24% 0.02 215);
  --dark-2:  oklch(29% 0.022 215);
  --on-dark:        oklch(95% 0.012 80);
  --on-dark-muted:  oklch(78% 0.012 80);

  /* Type scale — fluid headings, fixed body */
  --t-cap:  0.8125rem;
  --t-body: 1rem;
  --t-lead: clamp(1.13rem, 1.04rem + 0.45vw, 1.35rem);
  --t-h3:   clamp(1.3rem, 1.16rem + 0.7vw, 1.6rem);
  --t-h2:   clamp(1.85rem, 1.5rem + 1.7vw, 2.7rem);
  --t-h1:   clamp(2.5rem, 1.9rem + 3vw, 4rem);

  /* Spacing (24px rhythm from 16px×1.5 body leading) */
  --s-1: 0.5rem;  --s-2: 0.75rem; --s-3: 1rem;  --s-4: 1.5rem;
  --s-5: 2.25rem; --s-6: 3rem;    --s-7: 4.5rem; --s-8: 6rem;

  --maxw: 1120px;
  --measure: 65ch;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;

  /* Multi-layer shadows (Jakub: depth over flat borders) */
  --shadow-sm: 0 0 0 1px oklch(26% 0.02 215 / .05), 0 1px 2px -1px oklch(26% 0.02 215 / .10), 0 2px 6px -2px oklch(26% 0.02 215 / .06);
  --shadow-md: 0 0 0 1px oklch(26% 0.02 215 / .05), 0 4px 10px -3px oklch(26% 0.02 215 / .12), 0 10px 24px -6px oklch(26% 0.02 215 / .10);
  --shadow-lg: 0 0 0 1px oklch(26% 0.02 215 / .06), 0 12px 28px -8px oklch(26% 0.02 215 / .18), 0 24px 60px -14px oklch(26% 0.02 215 / .16);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ---------- Reset / base ---------- */
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} }
body{
  margin:0;
  font-family:"Hanken Grotesk", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size:var(--t-body);
  line-height:1.65;
  color:var(--ink-soft);
  background:var(--paper);
  font-kerning:normal;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3{
  font-family:"Fraunces", Georgia, "Times New Roman", serif;
  color:var(--ink);
  font-weight:600;
  font-optical-sizing:auto;
  line-height:1.1;
  letter-spacing:-0.015em;
  margin:0 0 var(--s-3);
  text-wrap:balance;
}
h1{font-size:var(--t-h1);letter-spacing:-0.025em;}
h2{font-size:var(--t-h2);}
h3{font-size:var(--t-h3);letter-spacing:-0.01em;}
p{margin:0 0 var(--s-3);}
a{color:var(--green);text-decoration:none;}
a:hover{color:var(--green-strong);}
img{max-width:100%;display:block;}

:focus-visible{
  outline:2.5px solid var(--amber-strong);
  outline-offset:3px;
  border-radius:4px;
}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.25rem,4vw,2.5rem);}
.narrow{max-width:760px;margin-inline:auto;}
.center{text-align:center;}
.lead{font-size:var(--t-lead);color:var(--ink-soft);max-width:var(--measure);}
.center .lead{margin-inline:auto;}

/* skip link */
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--on-dark);padding:.6rem 1rem;border-radius:0 0 var(--radius-sm) 0;z-index:100;}
.skip:focus{left:0;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:inherit;font-weight:600;font-size:1rem;line-height:1;
  padding:0.95rem 1.6rem;border-radius:var(--radius-pill);
  border:none;cursor:pointer;text-align:center;
  transition:transform 140ms var(--ease-out), box-shadow 220ms var(--ease-out), background-color 180ms var(--ease-out);
}
.btn-primary{background:var(--amber);color:var(--ink);box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--amber-strong);color:var(--on-dark);transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0) scale(0.985);}
.btn-lg{padding:1.15rem 2.1rem;font-size:1.075rem;}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--on-dark);}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;
  background:color-mix(in oklch, var(--paper) 82%, transparent);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid color-mix(in oklch, var(--line) 70%, transparent);}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding-block:0.85rem;}
.brand{display:inline-flex;align-items:center;gap:.55rem;font-family:"Fraunces",serif;font-weight:600;font-size:1.2rem;color:var(--ink);letter-spacing:-0.01em;}
.brand svg{width:30px;height:30px;display:block;}
.header-cta{font-weight:600;color:var(--ink);font-size:.95rem;padding:.55rem 1.15rem;border-radius:var(--radius-pill);box-shadow:inset 0 0 0 1.5px var(--ink);transition:background-color 180ms var(--ease-out),color 180ms var(--ease-out);}
.header-cta:hover{background:var(--ink);color:var(--on-dark);}

/* ---------- Hero ---------- */
.hero{padding-block:clamp(3rem,7vw,5.5rem) var(--s-6);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:center;}
.eyebrow{font-size:var(--t-cap);font-weight:600;text-transform:uppercase;letter-spacing:0.1em;color:var(--green);margin:0 0 var(--s-3);}
.hero .subhead{font-size:var(--t-lead);color:var(--ink-soft);max-width:54ch;margin:0 0 var(--s-4);}
.hero-actions{display:flex;align-items:center;gap:var(--s-3) var(--s-4);flex-wrap:wrap;}
.reassure{font-size:.9rem;color:var(--muted);}
.reassure.light{color:var(--on-dark-muted);}
.hero-points{list-style:none;margin:var(--s-4) 0 0;padding:0;display:grid;gap:.6rem;}
.hero-points li{position:relative;padding-left:1.9rem;color:var(--ink-soft);}
.hero-points li::before{content:"";position:absolute;left:0;top:.55em;width:.7rem;height:.7rem;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px color-mix(in oklch,var(--green) 18%,transparent);}
.hero-visual{position:relative;}
.hero-visual::before{content:"";position:absolute;inset:-8% -6% -10% -4%;background:radial-gradient(60% 60% at 60% 35%, color-mix(in oklch,var(--amber) 38%,transparent), transparent 70%);filter:blur(8px);z-index:0;}
.hero-visual img{position:relative;z-index:1;border-radius:var(--radius);box-shadow:var(--shadow-lg);background:var(--panel);width:100%;}

/* ---------- Trust bar ---------- */
.trustbar{background:var(--dark);color:var(--on-dark);}
.trust-inner{display:flex;flex-wrap:wrap;gap:1rem clamp(1.5rem,4vw,2.75rem);justify-content:center;align-items:center;padding-block:0.9rem;font-size:.9rem;}
.trust-inner span{color:var(--on-dark-muted);display:inline-flex;align-items:center;gap:.5rem;}
.trust-inner .star{color:var(--amber);letter-spacing:.1em;}

/* ---------- Sections ---------- */
.section{padding-block:clamp(3.25rem,7vw,5.5rem);}
.section-panel{background:var(--panel);}
.section-dark{background:var(--dark);color:var(--on-dark);}
.section-dark h2{color:var(--on-dark);}
.section-dark p{color:var(--on-dark-muted);}
.section h2{margin-bottom:var(--s-3);}
.section .lead{margin-bottom:0;}

/* ---------- Features ---------- */
.features{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--s-4);margin-top:var(--s-5);}
.feature{background:var(--surface);border-radius:var(--radius);padding:var(--s-4);box-shadow:var(--shadow-sm);transition:transform 220ms var(--ease-out),box-shadow 260ms var(--ease-out);}
.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.feature h3{margin-bottom:.4rem;}
.feature p{margin:0;color:var(--ink-soft);}

/* ---------- Checklist ---------- */
.checklist{list-style:none;margin:var(--s-4) 0 0;padding:0;display:grid;gap:var(--s-3);max-width:var(--measure);}
.checklist li{position:relative;padding-left:2.25rem;font-size:1.06rem;color:var(--ink-soft);}
.checklist li::before{content:"✓";position:absolute;left:0;top:.05em;width:1.5rem;height:1.5rem;display:flex;align-items:center;justify-content:center;background:var(--green);color:var(--paper);border-radius:50%;font-size:.85rem;font-weight:700;}

/* ---------- Buy / price ---------- */
#buy{scroll-margin-top:5rem;}
.price-card{background:var(--dark-2);border-radius:var(--radius);padding:clamp(1.75rem,4vw,2.75rem);max-width:480px;margin:var(--s-5) auto 0;box-shadow:var(--shadow-lg);}
.price{font-family:"Fraunces",serif;font-size:clamp(2.6rem,6vw,3.4rem);font-weight:600;color:var(--amber);line-height:1;margin:0;letter-spacing:-0.02em;}
.price-note{margin:.5rem 0 var(--s-4);color:var(--on-dark-muted);}
.price-card .btn{width:100%;}
.license-note{font-size:.82rem;color:var(--on-dark-muted);margin:var(--s-4) 0 0;line-height:1.55;max-width:42ch;margin-inline:auto;}

/* ---------- FAQ ---------- */
.faq{margin-top:var(--s-4);display:grid;gap:.75rem;max-width:var(--measure);}
.faq details{background:var(--surface);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);overflow:hidden;}
.faq summary{font-weight:600;color:var(--ink);cursor:pointer;list-style:none;padding:1.05rem 1.25rem;display:flex;justify-content:space-between;gap:1rem;align-items:center;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--green);font-size:1.3rem;font-weight:400;line-height:1;transition:transform 200ms var(--ease-out);}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq details p{margin:0;padding:0 1.25rem 1.15rem;color:var(--ink-soft);}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:var(--on-dark-muted);padding-block:var(--s-5);font-size:.9rem;}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;}
.footer-inner nav a{color:var(--on-dark);margin-left:1.25rem;}
.footer-inner nav a:hover{color:var(--amber);}

/* ---------- Motion: scroll reveal (restrained, Emil-weighted) ---------- */
[data-reveal]{opacity:0;transform:translateY(14px);filter:blur(6px);transition:opacity 620ms var(--ease-out),transform 620ms var(--ease-out),filter 620ms var(--ease-out);transition-delay:calc(var(--i,0) * 80ms);}
[data-reveal].is-visible{opacity:1;transform:none;filter:none;}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;}
  [data-reveal]{opacity:1;transform:none;filter:none;}
  .btn,.feature{transition:none;}
}

/* ============================================================
   Site-wide pages (storefront, legal, thank-you, 404)
   Shared design system — this is the single site stylesheet.
   ============================================================ */

/* Simple page header band (legal, thank-you, 404) */
.page-hero{padding-block:clamp(3rem,7vw,5rem) var(--s-5);text-align:center;}
.page-hero .eyebrow{margin-bottom:var(--s-2);}
.page-hero p{max-width:60ch;margin-inline:auto;color:var(--ink-soft);}

/* Long-form prose (terms, privacy) */
.prose{max-width:68ch;margin-inline:auto;}
.prose h2{font-size:var(--t-h3);margin-top:var(--s-5);}
.prose h2:first-child{margin-top:0;}
.prose p,.prose li{color:var(--ink-soft);}
.prose ul{padding-left:1.25rem;display:grid;gap:.4rem;margin:0 0 var(--s-3);}
.prose a{text-decoration:underline;text-underline-offset:2px;}
.prose .muted{color:var(--muted);font-size:.92rem;}

/* Confirmation / notice card */
.notice{max-width:560px;margin:var(--s-5) auto 0;background:var(--surface);border-radius:var(--radius);padding:clamp(1.75rem,4vw,2.75rem);box-shadow:var(--shadow-md);text-align:center;}
.notice .check{width:3.5rem;height:3.5rem;margin:0 auto var(--s-3);border-radius:50%;background:var(--green);color:var(--paper);display:flex;align-items:center;justify-content:center;font-size:1.6rem;font-weight:700;}
.notice p{color:var(--ink-soft);}
.notice .hint{font-size:.9rem;color:var(--muted);margin-top:var(--s-3);}

/* Storefront */
.store-hero{padding-block:clamp(3.5rem,8vw,6rem) var(--s-5);text-align:center;}
.store-hero h1{margin-inline:auto;max-width:18ch;}
.store-hero .lead{margin-inline:auto;}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--s-4);margin-top:var(--s-5);}
.product-card{display:flex;flex-direction:column;background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform 220ms var(--ease-out),box-shadow 260ms var(--ease-out);}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.product-card .thumb{aspect-ratio:4/3;background:linear-gradient(150deg,var(--dark-2),var(--dark));object-fit:cover;width:100%;}
.product-card .pc-body{padding:var(--s-4);display:flex;flex-direction:column;gap:.5rem;flex:1;}
.product-card .pc-cat{font-size:var(--t-cap);text-transform:uppercase;letter-spacing:.08em;color:var(--green);font-weight:600;}
.product-card h3{margin:0;font-size:1.25rem;}
.product-card .pc-desc{color:var(--ink-soft);font-size:.95rem;margin:0;}
.product-card .pc-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:var(--s-2);}
.product-card .pc-price{font-family:"Fraunces",serif;font-weight:600;font-size:1.4rem;color:var(--ink);}
.product-card .pc-go{font-weight:600;font-size:.95rem;color:var(--ink);padding:.5rem 1rem;border-radius:var(--radius-pill);background:var(--amber);transition:background-color 180ms var(--ease-out);}
.product-card:hover .pc-go{background:var(--amber-strong);color:var(--on-dark);}

/* Big 404 */
.bignum{font-family:"Fraunces",serif;font-size:clamp(5rem,18vw,10rem);font-weight:600;color:var(--amber);line-height:.9;letter-spacing:-0.03em;}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{order:-1;max-width:420px;margin-inline:auto;}
  .features{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .footer-inner{flex-direction:column;text-align:center;}
  .footer-inner nav a{margin:0 .6rem;}
}