/* ==========================================================================
   KlickPint — Design System
   Tokens → Primitives → Components → Utilities → Responsive
   ========================================================================== */

/* ── Reset ───────────────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
img,svg,video{display:block;max-width:100%}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:none;cursor:pointer}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}

/* ── Tokens: light (default) ─────────────────────────────────────────── */
:root{
  --brand:#E60023;
  --brand-hi:#FF2D55;
  --brand-lo:#B8001C;
  --brand-ink:#fff;
  --brand-soft:#FFF1F3;
  --brand-line:#FFD2D9;
  --brand-glow:rgba(230,0,35,.22);

  --bg:#FFFFFF;
  --bg-soft:#FAFAFB;
  --bg-sunk:#F4F4F6;
  --elev:#FFFFFF;
  --elev-2:#FFFFFF;
  --glass:rgba(255,255,255,.72);

  --text:#0A0A0D;
  --text-2:#54545F;
  --text-3:#8C8C99;

  --line:#E7E7EC;
  --line-2:#F1F1F5;

  --ok:#0E9F5B;
  --ok-soft:#ECFDF3;
  --ok-line:#B7EBCE;
  --warn:#B45309;
  --warn-soft:#FFF8EB;
  --danger:#C7001E;
  --danger-soft:#FFF1F2;
  --danger-line:#FFC9CF;
  --violet:#7C3AED;
  --violet-soft:#F6F2FF;
  --violet-line:#E4D8FF;
  --blue:#2563EB;
  --blue-soft:#EFF5FF;

  --sh-1:0 1px 2px rgba(11,11,20,.05);
  --sh-2:0 4px 14px rgba(11,11,20,.07),0 1px 3px rgba(11,11,20,.05);
  --sh-3:0 18px 48px -12px rgba(11,11,20,.16),0 4px 12px rgba(11,11,20,.05);
  --sh-brand:0 14px 36px -10px var(--brand-glow);

  --r-xs:8px; --r-sm:12px; --r:16px; --r-lg:22px; --r-xl:28px; --r-full:999px;

  --ease:cubic-bezier(.22,1,.36,1);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;

  --wrap:1160px;
  --nav-h:68px;

  color-scheme:light;
}

/* ── Tokens: dark ────────────────────────────────────────────────────── */
:root[data-theme="dark"]{
  --brand:#FF2D4E;
  --brand-hi:#FF6B84;
  --brand-lo:#E60023;
  --brand-ink:#12000A;
  --brand-soft:rgba(255,45,78,.11);
  --brand-line:rgba(255,45,78,.28);
  --brand-glow:rgba(255,45,78,.30);

  --bg:#07070A;
  --bg-soft:#0B0B10;
  --bg-sunk:#101017;
  --elev:#101017;
  --elev-2:#16161F;
  --glass:rgba(11,11,16,.72);

  --text:#F5F5F7;
  --text-2:#A8A8B6;
  --text-3:#75757F;

  --line:#22222C;
  --line-2:#1A1A22;

  --ok:#34D399;
  --ok-soft:rgba(52,211,153,.10);
  --ok-line:rgba(52,211,153,.26);
  --warn:#FBBF24;
  --warn-soft:rgba(251,191,36,.10);
  --danger:#FF7A8A;
  --danger-soft:rgba(255,45,78,.10);
  --danger-line:rgba(255,45,78,.30);
  --violet:#A78BFA;
  --violet-soft:rgba(167,139,250,.10);
  --violet-line:rgba(167,139,250,.26);
  --blue:#60A5FA;
  --blue-soft:rgba(96,165,250,.10);

  --sh-1:0 1px 2px rgba(0,0,0,.5);
  --sh-2:0 4px 16px rgba(0,0,0,.45);
  --sh-3:0 24px 60px -16px rgba(0,0,0,.7),0 4px 12px rgba(0,0,0,.4);
  --sh-brand:0 14px 40px -12px var(--brand-glow);

  color-scheme:dark;
}

/* ── Base ────────────────────────────────────────────────────────────── */
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background .3s var(--ease),color .3s var(--ease);
}
::selection{background:var(--brand);color:var(--brand-ink)}

h1,h2,h3,h4{line-height:1.15;letter-spacing:-.022em;font-weight:800;color:var(--text)}
h1{font-size:clamp(2rem,1.3rem + 3.2vw,3.6rem);font-weight:850;letter-spacing:-.035em}
h2{font-size:clamp(1.5rem,1.1rem + 1.6vw,2.3rem)}
h3{font-size:1.125rem}
p{color:var(--text-2)}
strong{color:var(--text);font-weight:650}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:24px;width:100%}
.wrap-narrow{max-width:780px}

/* ── Nav ─────────────────────────────────────────────────────────────── */
.nav{
  position:sticky;top:0;z-index:60;
  background:var(--glass);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid transparent;
  transition:border-color .25s,box-shadow .25s;
}
.nav.is-stuck{border-bottom-color:var(--line);box-shadow:var(--sh-1)}
/* Full-width override: the shared .wrap centers content at a 1160px max-
   width, which leaves the logo floating well short of the true left edge
   on wide screens. The nav bar itself should hug both edges instead. */
.nav .wrap{max-width:none}
.nav-in{display:flex;align-items:center;gap:16px;height:var(--nav-h)}

.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;margin-right:auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(145deg,var(--brand-hi),var(--brand));
  display:grid;place-items:center;
  box-shadow:0 6px 18px -6px var(--brand-glow),inset 0 1px 0 rgba(255,255,255,.25);
}
.brand-mark svg{width:20px;height:20px;fill:#fff}
.brand-name{font-weight:800;font-size:1.2rem;letter-spacing:-.03em}
.brand-name i{font-style:normal;color:var(--brand)}

.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  padding:8px 13px;border-radius:10px;font-size:.875rem;font-weight:550;
  color:var(--text-2);transition:background .18s,color .18s;
}
.nav-links a:hover{background:var(--bg-sunk);color:var(--text)}

.nav-actions{display:flex;align-items:center;gap:8px}

.icon-btn{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  border:1px solid var(--line);background:var(--elev);color:var(--text-2);
  transition:.18s var(--ease);
}
.icon-btn:hover{color:var(--text);border-color:var(--text-3);transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.theme-btn .moon{display:none}
:root[data-theme="dark"] .theme-btn .sun{display:none}
:root[data-theme="dark"] .theme-btn .moon{display:block}

.nav-toggle{display:none}

/* Mobile drawer */
.nav-drawer{
  display:none;flex-direction:column;gap:2px;padding:8px 24px 18px;
  border-top:1px solid var(--line);background:var(--bg);
}
.nav-drawer.open{display:flex}
.nav-drawer a{padding:12px 14px;border-radius:12px;font-weight:600;color:var(--text-2)}
.nav-drawer a:hover{background:var(--bg-sunk);color:var(--text)}

/* ── Pills / badges ──────────────────────────────────────────────────── */
.pill{
  display:inline-flex;align-items:center;gap:7px;
  border-radius:var(--r-full);padding:5px 13px;
  font-size:.75rem;font-weight:700;letter-spacing:.01em;
  border:1px solid var(--line);background:var(--elev);color:var(--text-2);
}
.pill-brand{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand)}
.pill-ok{background:var(--ok-soft);border-color:var(--ok-line);color:var(--ok)}
.pill-violet{background:var(--violet-soft);border-color:var(--violet-line);color:var(--violet)}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex-shrink:0;animation:blip 2.2s var(--ease) infinite}
@keyframes blip{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.72)}}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:.7rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);
}
.eyebrow::before{content:'';width:22px;height:2px;border-radius:2px;background:var(--brand);opacity:.5}

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:14px;padding:13px 22px;font-size:.94rem;font-weight:700;
  letter-spacing:-.01em;transition:.2s var(--ease);border:1px solid transparent;
}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2.1;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-hi),var(--brand) 60%,var(--brand-lo));
  color:#fff;box-shadow:var(--sh-brand);
}
.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 20px 44px -12px var(--brand-glow)}
.btn-primary:active:not(:disabled){transform:translateY(0) scale(.99)}
.btn-primary:disabled{opacity:.62;cursor:not-allowed;box-shadow:none}
.btn-ghost{background:var(--elev);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--text-3);transform:translateY(-1px)}
.btn-lg{padding:17px 28px;font-size:1rem;border-radius:16px}
.btn-block{width:100%}

/* ── Section headings ────────────────────────────────────────────────── */
.sec{padding:clamp(56px,7vw,96px) 0}
.sec-head{max-width:640px;margin-bottom:clamp(28px,4vw,44px)}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head p{font-size:1.02rem;margin-top:12px;line-height:1.7}

/* ── Cards ───────────────────────────────────────────────────────────── */
.card{
  background:var(--elev);border:1px solid var(--line);border-radius:var(--r-lg);
  transition:.24s var(--ease);
}
.card-pad{padding:26px}

/* ── Footer ──────────────────────────────────────────────────────────── */
.footer{
  border-top:1px solid var(--line);background:var(--bg-soft);
  padding:clamp(48px,6vw,72px) 0 32px;margin-top:auto;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.footer-desc{font-size:.875rem;line-height:1.75;color:var(--text-2);max-width:280px;margin-top:14px}
.footer-social{display:flex;gap:8px;margin-top:18px}
.footer h4{
  font-size:.7rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--text);margin-bottom:16px;
}
.footer-col a{
  display:block;font-size:.875rem;color:var(--text-2);margin-bottom:11px;
  transition:color .18s,transform .18s;width:fit-content;
}
.footer-col a:hover{color:var(--brand);transform:translateX(3px)}
.footer-bar{
  border-top:1px solid var(--line);padding-top:24px;
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:.8rem;color:var(--text-3);
}

/* ── Prose (legal + blog pages) ──────────────────────────────────────── */
.prose{max-width:760px;margin-inline:auto;padding:clamp(40px,6vw,72px) 24px clamp(56px,7vw,88px)}
.prose .page-title{font-size:clamp(2rem,1.4rem + 2.4vw,2.9rem);margin-bottom:12px}
.prose .page-meta{
  display:flex;flex-wrap:wrap;gap:8px;margin-bottom:36px;
  font-size:.78rem;color:var(--text-3);
}
.prose .page-meta span{
  background:var(--bg-sunk);border:1px solid var(--line);
  border-radius:var(--r-full);padding:4px 12px;
}
.prose h2{
  font-size:1.25rem;margin:44px 0 14px;padding-top:22px;
  border-top:1px solid var(--line);letter-spacing:-.02em;
}
.prose h2:first-of-type{border-top:none;padding-top:0}
.prose h3{font-size:1rem;margin:26px 0 8px;font-weight:700}
.prose p{font-size:.97rem;margin-bottom:15px;line-height:1.78}
.prose ul,.prose ol{list-style:none;margin:12px 0 20px}
.prose li{
  font-size:.95rem;color:var(--text-2);line-height:1.7;
  padding:7px 0 7px 26px;position:relative;
}
.prose li::before{
  content:'';position:absolute;left:6px;top:16px;
  width:6px;height:6px;border-radius:50%;background:var(--brand);opacity:.55;
}
.prose a{color:var(--brand);font-weight:550;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover{text-decoration-thickness:2px}
.prose code{
  font-family:var(--mono);font-size:.85em;background:var(--bg-sunk);
  border:1px solid var(--line);border-radius:6px;padding:2px 6px;color:var(--text);
}
.callout{
  background:var(--brand-soft);border:1px solid var(--brand-line);
  border-radius:var(--r);padding:18px 22px;margin:24px 0;
  font-size:.92rem;color:var(--text-2);line-height:1.7;
}
.callout strong{color:var(--text)}
.callout-neutral{background:var(--bg-sunk);border-color:var(--line)}

/* ── Toast ───────────────────────────────────────────────────────────── */
.toast{
  position:fixed;left:50%;bottom:26px;z-index:200;
  transform:translate(-50%,140%);
  display:flex;align-items:center;gap:10px;
  background:var(--text);color:var(--bg);
  border-radius:var(--r-full);padding:12px 22px;
  font-size:.88rem;font-weight:650;box-shadow:var(--sh-3);
  transition:transform .38s var(--ease),opacity .3s;
  max-width:calc(100vw - 32px);opacity:0;
}
.toast.show{transform:translate(-50%,0);opacity:1}
.toast.ok{background:var(--ok);color:#fff}
.toast.err{background:var(--brand);color:#fff}

/* ── Skip link ───────────────────────────────────────────────────────── */
.skip{
  position:absolute;left:-9999px;top:8px;z-index:300;
  background:var(--brand);color:#fff;padding:10px 18px;border-radius:10px;font-weight:700;
}
.skip:focus{left:12px}

/* ── Responsive ──────────────────────────────────────────────────────── */
@media(max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .wrap{padding-inline:18px}
  .prose{padding-inline:18px}
}
@media(max-width:520px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bar{flex-direction:column;align-items:flex-start;gap:8px}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
}