/* Layout */
body { min-height: 100vh; overflow-x: hidden; }
.site-header, .site-footer, main { width: min(100% - 2rem, var(--max-width)); margin-inline: auto; }

/* Header */
.site-header { min-height: 5.5rem; display: flex; align-items: center; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .65rem; font: 700 1.5rem var(--font-header); }
.brand-mark { width: 2.1rem; height: 2.1rem; display: grid; place-items: center; color: white; background: var(--pink); border-radius: .5rem; }
.site-nav { margin-left: auto; display: flex; gap: 2rem; }
.site-nav a:hover { color: var(--pink); }
.language { padding: .3rem .6rem; border: 1px solid var(--line); border-radius: 2rem; }
[data-language] { padding: 0; border: 0; color: var(--muted); background: none; cursor: pointer; }
[data-language][aria-pressed="true"] { color: var(--pink); font-weight: 700; }

/* Shared elements */
.kicker { color: var(--pink-dark); font-size: .75rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.button { min-height: 3.1rem; padding: .7rem 1.4rem; display: inline-flex; align-items: center; justify-content: center; gap: .75rem; color: white; background: var(--pink); border-radius: .5rem; font-weight: 700; }
.button:hover { background: var(--pink-dark); }
.button-light { color: var(--ink); background: white; border: 1px solid var(--line); }

/* Hero */
#hero { min-height: 40rem; display: grid; place-items: center; text-align: center; }
.hero-copy { max-width: 56rem; }
#hero h1 { margin: 1rem 0 1.5rem; }
#hero em { color: var(--pink); font-style: normal; }
.lead { max-width: 44rem; margin-inline: auto; color: var(--muted); font-size: 1.1rem; }
.actions { margin-top: 2rem; display: flex; justify-content: center; gap: .75rem; }

/* Explanation */
.panel { margin-bottom: 7rem; padding: clamp(2rem, 5vw, 4rem); background: white; border: 1px solid var(--line); border-radius: 1rem; }
.intro-grid { display: grid; grid-template-columns: .75fr 1.4fr; gap: 1rem 4rem; }
.intro-grid .kicker { grid-column: 1 / -1; }
.intro-grid p { color: var(--muted); }
.steps { margin: 3rem 0 0; padding: 2rem 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; border-top: 1px solid var(--line); list-style: none; }
.steps li { display: flex; gap: 1rem; }
.step-number { width: 2rem; height: 2rem; flex: none; display: grid; place-items: center; color: white; background: var(--pink); border-radius: 50%; font-weight: 700; }
.steps h3 { margin: 0 0 .5rem; font-size: 1rem; }
.steps p { color: var(--muted); font-size: .85rem; }

/* Problem */
#problem { max-width: 56rem; margin: 0 auto 8rem; text-align: center; }
#problem p { max-width: 45rem; margin-inline: auto; color: var(--muted); }
#problem .kicker { color: var(--pink-dark); }

/* Features */
#features { padding: 6rem 0; border-top: 1px solid var(--line); }
.section-head { margin-bottom: 3rem; display: grid; grid-template-columns: 1.5fr .7fr; gap: 3rem; align-items: end; }
.section-head h2 { margin-bottom: 0; }
.section-head p { color: var(--muted); }
.section-head .kicker { color: var(--pink-dark); }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.feature { min-height: 17rem; padding: 2rem; background: white; border: 1px solid var(--line); border-radius: .75rem; }
.feature-last { grid-column: 1 / -1; min-height: 0; }
.feature-number { display: block; margin-bottom: 2rem; color: var(--pink); font-weight: 700; }
.feature h3 { margin-bottom: .75rem; }
.feature-copy { max-width: 30rem; color: var(--muted); }
.feature-list { margin: 1rem 0 0; padding-left: 1.2rem; font-size: .8rem; font-weight: 700; }
.feature-list li::marker { color: var(--pink); }

/* Call to action */
#cta { margin: 3rem 0 7rem; padding: clamp(3rem, 8vw, 7rem) 1.5rem; color: white; background: var(--pink); border-radius: 1rem; text-align: center; }
#cta .kicker, #cta p { max-width: 39rem; margin-inline: auto; color: white; }
#cta .button { margin-top: .5rem; }

/* Footer and errors */
.site-footer { padding: 2rem 0 3rem; display: grid; grid-template-columns: 1fr auto auto; gap: 3rem; align-items: center; border-top: 1px solid var(--line); }
.site-footer p { margin: .5rem 0 0; color: var(--muted); font-size: .8rem; }
.site-footer nav { display: flex; gap: 1.5rem; }
#error { min-height: 65vh; display: grid; place-content: center; justify-items: center; text-align: center; }
#error strong { color: var(--pink); font-size: clamp(5rem, 15vw, 10rem); line-height: 1; }

/* Responsive */
@media (max-width: 48rem) {
  .site-nav { display: none; }
  .language { margin-left: auto; }
  .intro-grid, .steps, .section-head, .feature-grid, .site-footer { grid-template-columns: 1fr; }
  .intro-grid .kicker, .feature-last { grid-column: 1; }
  .feature { min-height: 0; }
  .site-footer { gap: 1.5rem; text-align: center; }
  .site-footer .brand, .site-footer nav { justify-content: center; }
}

@media (max-width: 35rem) {
  .actions { flex-direction: column; }
  .panel { padding: 2rem 1.25rem; }
}