/* WhyWeBuy — production tokens + editorial-magazine layout
   Contrast targets: WCAG 2.2 AA (text >=4.5:1, UI >=3:1) */

:root{
  --bg:#f8fafc;
  --surface:#ffffff;
  --text:#0b0f1a;
  --muted:#334155;
  --border:#1b2a4a;
  --accent:#0b5fff;
  --accentText:#ffffff;
  --link:#0b5fff;
  --focus:#b45309;
  --shadow: rgba(11, 15, 26, 0.16);

  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;

  --s1:6px;
  --s2:10px;
  --s3:14px;
  --s4:20px;
  --s5:28px;
  --s6:40px;
  --s7:56px;

  --font: system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  --mono: ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;

  --navH: 74px;
  --container: min(1120px, calc(100% - 2*var(--s5)));
}

html[data-theme="dark"]{
  --bg:#0b0f1a;
  --surface:#121827;
  --text:#f1f5ff;
  --muted:#cbd5e1;
  --border:#64748b;
  --link:#7aa2ff;
  --shadow: rgba(0, 0, 0, 0.55);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 10% -5%, rgba(11,95,255,.16), transparent 60%),
    radial-gradient(900px 520px at 110% 10%, rgba(180,83,9,.14), transparent 55%),
    var(--bg);
  line-height:1.5;
  text-rendering:optimizeLegibility;
}

img{
  display:block;
  margin-inline:auto;
  max-width:100%;
  height:auto;
}

a{color:var(--link); text-decoration-thickness: 2px; text-underline-offset: 3px;}
a:hover{text-decoration-thickness:3px}
a:focus-visible{outline:3px solid var(--focus); outline-offset: 3px; border-radius: 6px;}

button{
  font: inherit;
}
button:focus-visible{outline:3px solid var(--focus); outline-offset:3px; border-radius: 10px;}

.skip-link{
  position:absolute;
  left:-9999px;
  top: var(--s3);
  padding: var(--s2) var(--s3);
  background: var(--surface);
  color: var(--text);
  border:2px solid var(--border);
  border-radius: var(--r-sm);
  z-index: 9999;
}
.skip-link:focus{left: var(--s5);}

header{
  position:relative;
  overflow:hidden;
}

.nav{
  position:sticky;
  top:0;
  z-index: 999;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 24%, transparent);
}
html[data-theme="dark"] .nav{
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 35%, transparent);
}

.nav__inner{
  height: var(--navH);
  width: var(--container);
  margin-inline:auto;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: var(--s4);
}

.brand{
  display:inline-flex;
  align-items:baseline;
  gap: var(--s2);
  text-decoration:none;
  color: var(--text);
  font-weight: 820;
  letter-spacing: -0.02em;
}
.brand__mark{
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 10px 30px var(--shadow);
}
.brand__text{
  font-size: 1.05rem;
}
.brand__sub{
  font-family: var(--mono);
  color: var(--muted);
  font-size: .78rem;
}

.nav__controls{
  display:flex;
  align-items:center;
  gap: var(--s2);
}

.icon-btn{
  display:inline-flex;
  align-items:center;
  gap: var(--s2);
  padding: 10px 12px;
  background: var(--surface);
  color: var(--text);
  border: 2px solid color-mix(in srgb, var(--border) 28%, transparent);
  border-radius: 999px;
  box-shadow: 0 18px 40px -26px var(--shadow);
  cursor:pointer;
}
.icon-btn:hover{
  border-color: color-mix(in srgb, var(--border) 44%, transparent);
}
.icon-btn svg{width:18px; height:18px; flex: 0 0 auto}

.lang-label{
  font-family: var(--mono);
  font-weight: 750;
  font-size: .9rem;
}

.menu{
  position:absolute;
  margin-top: var(--s2);
  right: calc((100% - var(--container))/2);
  top: calc(var(--navH) - 8px);
  min-width: 220px;
  padding: var(--s2);
  background: var(--surface);
  border: 2px solid color-mix(in srgb, var(--border) 28%, transparent);
  border-radius: var(--r-md);
  box-shadow: 0 30px 70px -45px var(--shadow);
  display:none;
}
.menu[data-open="true"]{display:block;}
.menu a{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: var(--s3);
  padding: 10px 12px;
  border-radius: 12px;
  text-decoration:none;
  color: var(--text);
  border: 1px solid transparent;
}
.menu a:hover{
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}
.menu a[aria-checked="true"]{
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  border-color: color-mix(in srgb, var(--accent) 42%, transparent);
}
.menu__kbd{
  font-family: var(--mono);
  color: var(--muted);
  font-size: .8rem;
}

.progress{
  height: 3px;
  background: color-mix(in srgb, var(--border) 14%, transparent);
}
.progress__bar{
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 55%, var(--focus)));
  transform-origin: 0 0;
}

.hero{
  position:relative;
}
.hero__bg{
  position:absolute;
  inset:0;
  --heroBg: url("/assets/stock/hero-bg.jpg");
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--bg) 10%, transparent), var(--bg) 80%),
    radial-gradient(900px 500px at 15% 25%, rgba(11,95,255,.22), transparent 60%),
    radial-gradient(800px 520px at 70% 25%, rgba(180,83,9,.18), transparent 55%),
    var(--heroBg);
  background-size: cover;
  background-position: 50% 20%;
  filter: saturate(.9) contrast(.98);
  transform: scale(1.06);
}
.hero__bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg, rgba(0,0,0,.65), rgba(0,0,0,.22), rgba(0,0,0,.70));
  opacity: .65;
}
html[data-theme="light"] .hero__bg::after{opacity:.46}

@supports (background-image: image-set(url("/assets/stock/hero-bg-640.webp") type("image/webp") 1x)) {
  .hero__bg{
    --heroBg: image-set(
      url("/assets/stock/hero-bg-640.webp") type("image/webp") 1x,
      url("/assets/stock/hero-bg-1280.webp") type("image/webp") 2x
    );
  }
  @media (min-width: 1100px){
    .hero__bg{
      --heroBg: image-set(
        url("/assets/stock/hero-bg-1280.webp") type("image/webp") 1x,
        url("/assets/stock/hero-bg-1920.webp") type("image/webp") 2x
      );
    }
  }
}

.hero__inner{
  position:relative;
  width: var(--container);
  margin-inline:auto;
  padding: calc(var(--s7) + 8px) 0 var(--s7);
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: var(--s6);
  align-items:center;
}

.hero__eyebrow{
  display:inline-flex;
  align-items:center;
  gap: var(--s2);
  padding: 8px 12px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 20%, transparent);
  border: 1px solid color-mix(in srgb, var(--border) 26%, transparent);
  color: color-mix(in srgb, var(--text) 88%, white);
  font-family: var(--mono);
  font-size: .9rem;
  backdrop-filter: blur(8px);
}
.hero__eyebrow .dot{width:8px;height:8px;border-radius:999px;background:var(--accent)}

h1{
  margin: var(--s3) 0 var(--s3);
  font-size: clamp(2.1rem, 4vw, 3.3rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.hero__sub{
  margin: 0 0 var(--s5);
  font-size: 1.12rem;
  color: color-mix(in srgb, var(--text) 84%, white);
  max-width: 52ch;
}
.hero__cta{
  display:flex;
  gap: var(--s3);
  flex-wrap: wrap;
  align-items:center;
  margin-bottom: var(--s4);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: var(--s2);
  padding: 14px 18px;
  border-radius: 999px;
  border: 2px solid transparent;
  font-weight: 800;
  letter-spacing: -0.01em;
  text-decoration:none;
  box-shadow: 0 22px 50px -34px var(--shadow);
}
.btn--primary{
  background: var(--accent);
  color: var(--accentText);
}
.btn--primary:hover{
  filter: brightness(1.06);
}
.btn--ghost{
  background: color-mix(in srgb, var(--surface) 20%, transparent);
  color: color-mix(in srgb, var(--text) 92%, white);
  border-color: color-mix(in srgb, var(--border) 30%, transparent);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover{
  border-color: color-mix(in srgb, var(--border) 45%, transparent);
}

.hero__trust{
  margin: 0;
  padding: 0;
  list-style:none;
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s2);
}
.hero__trust li{
  padding: 10px 12px;
  border-radius: var(--r-sm);
  background: color-mix(in srgb, var(--surface) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--border) 26%, transparent);
  color: color-mix(in srgb, var(--text) 84%, white);
  backdrop-filter: blur(8px);
  font-size: .92rem;
}

.hero__media{
  position:relative;
  padding: var(--s5);
  border-radius: var(--r-lg);
  background:
    radial-gradient(600px 360px at 50% 40%, color-mix(in srgb, var(--surface) 22%, transparent), transparent 70%),
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 16%, transparent), transparent);
  border: 1px solid color-mix(in srgb, var(--border) 26%, transparent);
  backdrop-filter: blur(10px);
  box-shadow: 0 40px 90px -70px var(--shadow);
}
.hero__media img{
  width: min(420px, 100%);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 30px 70px color-mix(in srgb, var(--shadow) 85%, transparent));
}

main{
  width: var(--container);
  margin-inline:auto;
  padding: var(--s7) 0;
}

section{
  margin-bottom: var(--s7);
  padding: var(--s6);
  border-radius: var(--r-lg);
  background: color-mix(in srgb, var(--surface) 84%, transparent);
  border: 1px solid color-mix(in srgb, var(--border) 18%, transparent);
  box-shadow: 0 44px 90px -80px var(--shadow);
  position:relative;
  overflow:hidden;
}
section::before{
  content:"";
  position:absolute;
  inset:-30%;
  background:
    radial-gradient(600px 380px at 20% 10%, rgba(11,95,255,.10), transparent 60%),
    radial-gradient(600px 380px at 80% 0%, rgba(180,83,9,.10), transparent 60%);
  pointer-events:none;
}
section > *{position:relative}

h2{
  margin: 0 0 var(--s4);
  font-size: clamp(1.4rem, 2.1vw, 1.9rem);
  letter-spacing: -0.02em;
}
article{
  padding-top: var(--s4);
  border-top: 1px solid color-mix(in srgb, var(--border) 14%, transparent);
}
article + article{margin-top: var(--s5)}
h3{
  margin: 0 0 var(--s2);
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
p{margin: 0 0 var(--s3); color: var(--muted)}

.bullets{
  margin: 0;
  padding-left: 1.2rem;
  display:grid;
  gap: 10px;
}
.bullets li{
  color: var(--text);
}
.bullets li::marker{
  color: var(--accent);
}

.cta-row{
  display:flex;
  gap: var(--s3);
  flex-wrap: wrap;
  align-items:center;
  margin-top: var(--s4);
}

.cta-row--center{justify-content:center}

#benefits{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: var(--s4);
  align-items:start;
}
#benefits > h2{ grid-column: 1 / -1; }
#benefits .split-card{
  padding: var(--s4);
  border-radius: var(--r-lg);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 2px solid color-mix(in srgb, var(--border) 18%, transparent);
  box-shadow: 0 36px 80px -70px var(--shadow);
}
#benefits .split-figure{
  margin: 0 0 var(--s3);
  border-radius: var(--r-md);
  overflow:hidden;
  border: 1px solid color-mix(in srgb, var(--border) 18%, transparent);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
}
#benefits .split-figure img{
  display:block;
  width:100%;
  height: 230px;
  object-fit: cover;
}
#benefits .split-card h3{
  margin-top: 0;
}
@media (max-width: 820px){
  #benefits{ grid-template-columns: 1fr; }
  #benefits .split-card{ text-align:center; }
  #benefits .split-card .bullets{ text-align:left; }
  #benefits .split-figure img{ height: 210px; }
}

.trigger-split{
  margin: var(--s4) 0 var(--s5);
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: var(--s4);
}
.trigger-card{
  position:relative;
  overflow:hidden;
  border-radius: var(--r-lg);
  border: 1px solid color-mix(in srgb, var(--border) 18%, transparent);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: 0 30px 80px -70px var(--shadow);
  min-height: 260px;
}
.trigger-card__img{
  width:100%;
  height:100%;
  max-height: 320px;
  object-fit: cover;
  display:block;
  filter: saturate(.95) contrast(.98);
}
.trigger-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg, rgba(0,0,0,.08) 0%, rgba(0,0,0,.72) 75%);
}
.trigger-card__line{
  position:absolute;
  left: var(--s4);
  right: var(--s4);
  bottom: var(--s4);
  margin:0;
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-size: clamp(1.2rem, 2.4vw, 1.8rem);
  text-shadow: 0 2px 16px rgba(0,0,0,.65);
}
@media (max-width: 820px){
  .trigger-split{grid-template-columns: 1fr;}
  .trigger-card{min-height: 220px;}
  .trigger-card__line{ text-align:center; }
}

.split{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: var(--s5);
  align-items:start;
}
.steps{
  margin: var(--s3) 0 0;
  padding-left: 1.2rem;
  display:grid;
  gap: 10px;
}
.steps li{color: var(--text)}
.kicker{
  display:inline-flex;
  gap: var(--s2);
  align-items:center;
  font-family: var(--mono);
  color: var(--muted);
  font-size: .9rem;
}
.kicker strong{color: var(--text)}

.proof{
  margin:0;
  padding: var(--s3);
  border-radius: var(--r-md);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 1px solid color-mix(in srgb, var(--border) 18%, transparent);
  box-shadow: 0 30px 70px -60px var(--shadow);
}
.proof img{
  border-radius: var(--r-sm);
}

.pricing-grid{
  margin-top: var(--s4);
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: var(--s4);
}
.price-card{
  display:flex;
  flex-direction:column;
  height:100%;
  padding: var(--s4);
  border-radius: var(--r-lg);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 2px solid color-mix(in srgb, var(--border) 18%, transparent);
  box-shadow: 0 36px 80px -70px var(--shadow);
}
.price-card[data-featured="true"]{
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow: 0 46px 100px -78px var(--shadow);
  transform: translateY(-4px);
}
.badge{
  align-self:flex-start;
  padding: 6px 10px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: .85rem;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 42%, transparent);
  color: var(--text);
}
.plan{
  margin-top: var(--s3);
  font-size: 1.2rem;
  font-weight: 850;
  letter-spacing: -0.02em;
  color: var(--text);
}
.plan-desc{margin: var(--s2) 0 var(--s3); color: var(--muted)}
.price-card ul{
  margin: 0 0 var(--s4);
  padding-left: 1.1rem;
  display:grid;
  gap: 10px;
}
.price-card .cta-row{margin-top:auto}
.price-card .btn{width: 100%}

.plan-media{
  display:flex;
  justify-content:center;
  align-items:flex-end;
  margin: 10px 0 var(--s3);
  height: 190px;
  border-radius: var(--r-md);
  background: radial-gradient(400px 220px at 50% 20%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 65%);
  border: 1px solid color-mix(in srgb, var(--border) 18%, transparent);
}
.plan-media img{
  display:block;
  margin-inline:auto;
  width: min(240px, 100%);
  height: auto;
  object-fit: contain;
  transform: translateY(6px);
  filter: drop-shadow(0 20px 40px rgba(0,0,0,.20));
}

.faq{
  margin-top: var(--s3);
  display:grid;
  gap: var(--s2);
}
details{
  border-radius: var(--r-md);
  border: 2px solid color-mix(in srgb, var(--border) 18%, transparent);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  padding: var(--s2) var(--s3);
}
summary{
  cursor:pointer;
  font-weight: 820;
  color: var(--text);
  list-style:none;
}
summary::-webkit-details-marker{display:none}
summary::after{
  content:"+";
  float:right;
  font-family: var(--mono);
  color: var(--muted);
}
details[open] summary::after{content:"–"}
details p{margin: var(--s2) 0 0; color: var(--muted)}

footer{
  padding: var(--s6) 0;
  border-top: 1px solid color-mix(in srgb, var(--border) 16%, transparent);
}
.footer__inner{
  width: var(--container);
  margin-inline:auto;
  display:grid;
  gap: var(--s2);
  align-items:start;
}
.footer__top{
  display:flex;
  flex-wrap:wrap;
  gap: var(--s3);
  align-items:center;
  justify-content: space-between;
}
.footer__link{
  display:inline-flex;
  align-items:center;
  gap: var(--s2);
  padding: 10px 12px;
  border-radius: 999px;
  border: 2px solid color-mix(in srgb, var(--border) 22%, transparent);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  color: var(--text);
  text-decoration:none;
}
.footer__link:hover{
  border-color: color-mix(in srgb, var(--border) 40%, transparent);
}
.disclosure{
  font-size: .95rem;
  color: var(--muted);
}
.small{
  font-size: .9rem;
  color: var(--muted);
}

/* reveal */
.reveal{opacity:0; transform: translateY(12px); transition: opacity .55s ease, transform .55s ease}
.reveal[data-in="true"]{opacity:1; transform: translateY(0)}
@media (prefers-reduced-motion: reduce){
  .reveal{transition:none}
  .hero__bg{transform:none}
  .price-card[data-featured="true"]{transform:none}
}

/* responsive */
@media (max-width: 980px){
  .hero__inner{grid-template-columns: 1fr; padding: var(--s6) 0 var(--s7)}
  .hero__trust{grid-template-columns: 1fr}
  .split{grid-template-columns: 1fr}
  .pricing-grid{grid-template-columns: 1fr; }
  .menu{right: var(--s5)}
}
@media (max-width: 720px){
  main{padding: var(--s6) 0}
  section{padding: var(--s5)}
  .hero__cta .btn{width: min(100%, 360px)}
  .cta-row .btn{width: min(100%, 360px)}
  .hero__inner, section{ text-align:center; }
  .bullets, .steps, .price-card ul, .faq{ text-align:left; margin-inline:auto; max-width: 34rem; }
  .price-card{ text-align:center; }
  .price-card ul{ text-align:left; }
  .badge{ margin-inline:auto; }
  .menu{right: var(--s3)}
}

/* utilities */
.sr-only{
  position:absolute !important;
  height:1px; width:1px;
  overflow:hidden; clip:rect(1px,1px,1px,1px);
  white-space:nowrap;
}