/* iOS page styles — generated from /design.md tokens. */

.ios-page {
  /* ── Color tokens ───────────────────────────────────────── */
  --c-brand:          #AFAEF4;
  --c-brand-strong:   #7B79E3;
  --c-brand-deep:     #4F4DBF;
  --c-on-brand:       #FFFFFF;

  --c-ink-900:        #0F1020;
  --c-ink-800:        #1A1C2E;
  --c-ink-700:        #2A2D45;
  --c-ink-500:        #5A5C75;
  --c-ink-300:        #9094AB;
  --c-ink-200:        #C5C8DA;
  --c-ink-100:        #E6E7F2;

  --c-surface:        #FAFAFE;
  --c-raised:         #FFFFFF;
  --c-sunken:         #F4F4FE;
  --c-inverted:       var(--c-ink-900);

  --c-info:           #4F719D;
  --c-success:        #22A06B;
  --c-warning:        #D89B14;
  --c-danger:         #D14A4A;

  --c-border-subtle:  var(--c-ink-100);
  --c-border-strong:  var(--c-brand);

  /* ── Typography ─────────────────────────────────────────── */
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* ── Space / Radius / Elevation ─────────────────────────── */
  --s-xs: 4px;
  --s-sm: 8px;
  --s-md: 16px;
  --s-lg: 24px;
  --s-xl: 40px;
  --s-2xl: 64px;

  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;
  --r-pill: 999px;

  --e-card:       0 1px 2px rgba(15,16,32,.05), 0 8px 24px rgba(15,16,32,.06);
  --e-card-hover: 0 2px 4px rgba(15,16,32,.08), 0 16px 40px rgba(15,16,32,.12);
  --e-pop:        0 24px 48px rgba(123,121,227,.28);

  --container-page: 1100px;
  --container-narrow: 780px;

  font-family: var(--font-sans);
  color: var(--c-ink-800);
  background: var(--c-surface);
}

.ios-page * { box-sizing: border-box; }
.ios-page img { max-width: 100%; height: auto; display: block; }

/* ── Info banner ────────────────────────────────────────── */
.ios-banner {
  max-width: var(--container-page);
  margin: var(--s-md) auto 0;
  padding: 14px 18px;
  background: var(--c-sunken);
  border: 1px solid var(--c-border-subtle);
  border-left: 4px solid var(--c-info);
  border-radius: var(--r-md);
  color: var(--c-ink-700);
  font-size: 14px;
  line-height: 1.55;
}
.ios-banner strong { color: var(--c-ink-900); }

/* ── Hero ───────────────────────────────────────────────── */
.ios-hero {
  max-width: var(--container-page);
  margin: var(--s-xl) auto 0;
  padding: 0 var(--s-md);
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: var(--s-xl);
  align-items: end;
}
.ios-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--c-sunken);
  color: var(--c-brand-deep);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--c-border-subtle);
}
.ios-hero__title {
  margin: var(--s-md) 0 var(--s-sm);
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--c-ink-900);
}
.ios-hero__title em {
  font-style: normal;
  color: var(--c-brand-strong);
}
.ios-hero__sub {
  font-size: 17px;
  color: var(--c-ink-500);
  line-height: 1.6;
  max-width: 46ch;
}
.ios-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-md);
  margin-top: var(--s-lg);
  font-size: 13px;
  color: var(--c-ink-500);
}
.ios-hero__meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.ios-hero__meta b {
  color: var(--c-ink-900);
  font-weight: 600;
}
.ios-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-md);
  margin-top: var(--s-lg);
}
.ios-hero__metaline {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--c-ink-300);
  letter-spacing: .01em;
}
.ios-hero__alt {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--c-ink-300);
}
.ios-hero__alt a {
  color: var(--c-info);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.ios-hero__alt a:hover { color: var(--c-brand-deep); }
.ios-hero__art {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--c-sunken);
  border: 1px solid var(--c-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s-md);
}
.ios-hero__art img {
  border-radius: var(--r-md);
  width: 100%;
  height: auto;
  display: block;
}

/* ── Buttons ────────────────────────────────────────────── */
.ios-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--r-pill);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
  cursor: pointer;
}
.ios-btn--primary,
.ios-btn--primary:link,
.ios-btn--primary:visited,
.ios-btn--primary:active,
.ios-btn--primary:focus {
  background: #7B79E3;
  color: #FFFFFF;
  text-decoration: none;
}
.ios-btn--primary:hover {
  background: #4F4DBF;
  color: #FFFFFF;
  box-shadow: var(--e-pop);
  transform: translateY(-1px);
  text-decoration: none;
}
.ios-btn--primary svg { color: #FFFFFF; fill: #FFFFFF; }
.ios-btn--ghost {
  background: var(--c-raised);
  color: var(--c-ink-900);
  border-color: var(--c-border-subtle);
}
.ios-btn--ghost:hover {
  border-color: var(--c-brand);
  background: var(--c-sunken);
}
.ios-btn svg, .ios-btn img { width: 16px; height: 16px; flex-shrink: 0; }
.ios-btn svg { fill: currentColor; }

/* ── Facts strip ────────────────────────────────────────── */
.ios-facts {
  max-width: var(--container-page);
  margin: var(--s-lg) auto 0;
  padding: 12px var(--s-md);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--s-md) var(--s-lg);
  background: transparent;
  border: 0;
  border-top: 1px solid var(--c-border-subtle);
  border-bottom: 1px solid var(--c-border-subtle);
  border-radius: 0;
}
.ios-fact {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 0;
  border: 0;
}
.ios-fact__label {
  font-size: 12px;
  color: var(--c-ink-300);
  letter-spacing: .04em;
  text-transform: none;
  font-weight: 500;
}
.ios-fact__value {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-ink-700);
  letter-spacing: 0;
}

/* ── Section heading ───────────────────────────────────── */
.ios-section {
  max-width: var(--container-page);
  margin: var(--s-2xl) auto 0;
  padding: 0 var(--s-md);
}
.ios-section--narrow { max-width: var(--container-narrow); }
.ios-section__head {
  text-align: center;
  margin-bottom: var(--s-xl);
}
.ios-section__eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-ink-300);
}
.ios-section__eyebrow--accent { color: var(--c-brand-deep); }
.ios-section__title {
  margin: var(--s-md) 0 var(--s-sm);
  font-size: clamp(24px, 3.2vw, 32px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--c-ink-900);
}
.ios-section__lead {
  color: var(--c-ink-500);
  font-size: 16px;
  line-height: 1.6;
  max-width: 60ch;
  margin: 0 auto;
}

/* ── "Why complex" editorial split layout ──────────────── */
.ios-explain {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--s-xl);
  align-items: start;
}
.ios-explain__lhs { position: sticky; top: 24px; }
.ios-explain__eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-brand-deep);
  margin-bottom: 12px;
}
.ios-explain__title {
  margin: 0 0 var(--s-md);
  font-size: clamp(24px, 3.2vw, 32px);
  font-weight: 700;
  letter-spacing: -.015em;
  line-height: 1.15;
  color: var(--c-ink-900);
}
.ios-explain__intro {
  font-size: 16px;
  line-height: 1.65;
  color: var(--c-ink-500);
  margin: 0;
  max-width: 38ch;
}
.ios-explain__rhs {
  border-top: 1px solid var(--c-border-subtle);
}
.ios-explain__row {
  padding: var(--s-lg) 0;
  border-bottom: 1px solid var(--c-border-subtle);
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: var(--s-md);
  align-items: baseline;
}
.ios-explain__index {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--c-brand-deep);
  letter-spacing: .04em;
  padding-top: 2px;
}
.ios-explain__row h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--c-ink-900);
  letter-spacing: -.005em;
}
.ios-explain__row p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-ink-500);
}
.ios-explain__row p strong { color: var(--c-ink-900); font-weight: 600; }
.ios-explain__row p code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--c-sunken);
  border: 1px solid var(--c-border-subtle);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--c-ink-800);
  white-space: nowrap;
}
.ios-explain__outro {
  margin-top: var(--s-md);
  font-size: 14px;
  color: var(--c-ink-300);
  font-style: italic;
}

@media (max-width: 900px) {
  .ios-explain { grid-template-columns: 1fr; gap: var(--s-lg); }
  .ios-explain__lhs { position: static; }
}

/* ── Step rows (Direct Install) — single unified card ──────── */
.ios-steps {
  background: var(--c-raised);
  border: 1px solid var(--c-border-subtle);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: grid;
  gap: 0;
}
.ios-step {
  display: grid;
  grid-template-columns: 80px 1fr 220px;
  gap: var(--s-lg);
  align-items: start;
  padding: var(--s-lg) var(--s-lg);
  border-bottom: 1px solid var(--c-border-subtle);
  position: relative;
}
.ios-step__num { padding-top: 8px; }
.ios-step:last-child { border-bottom: 0; }
.ios-step__num {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 600;
  color: var(--c-brand-deep);
  letter-spacing: -.02em;
  line-height: 1;
  position: relative;
  padding-left: 16px;
}
.ios-step__num::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 32px;
  background: var(--c-brand);
  border-radius: 2px;
  transform: translateY(-50%);
}
.ios-step__copy { min-width: 0; }
.ios-step__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-ink-900);
  margin: 0 0 6px;
  letter-spacing: -.005em;
}
.ios-step__body {
  font-size: 15px;
  color: var(--c-ink-500);
  line-height: 1.6;
  margin: 0;
}
.ios-step__body strong { color: var(--c-ink-900); font-weight: 600; }
.ios-step__body ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.ios-step__body li {
  padding-left: 16px;
  position: relative;
}
.ios-step__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-brand);
}
.ios-step__shot {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-sunken);
  border-radius: var(--r-md);
  padding: 10px;
  align-self: stretch;
}
.ios-step__shot img {
  max-height: 180px;
  width: auto;
  border-radius: 8px;
  display: block;
}

.ios-cta-row {
  margin-top: var(--s-xl);
  text-align: center;
}

/* ── Timeline (Ksign sideload) ─────────────────────────── */
.ios-timeline {
  display: grid;
  gap: var(--s-md);
  position: relative;
}
.ios-timeline::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--c-ink-100);
}
.ios-tl-group {
  margin-top: var(--s-lg);
}
.ios-tl-group__head {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--c-brand-deep);
  margin-bottom: var(--s-md);
}
.ios-tl-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: var(--s-md);
  align-items: flex-start;
  background: var(--c-raised);
  border: 1px solid var(--c-border-subtle);
  border-radius: var(--r-md);
  padding: 14px 18px;
  position: relative;
}
.ios-tl-item__num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--c-sunken);
  color: var(--c-brand-deep);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  border: 1px solid var(--c-border-subtle);
}
.ios-tl-item__text {
  font-size: 15px;
  color: var(--c-ink-700);
  line-height: 1.6;
  padding-top: 8px;
}
.ios-tl-item__text strong { color: var(--c-ink-900); }
.ios-tl-item__text a { color: var(--c-info); text-decoration: underline; }
.ios-tl-item__shot {
  grid-column: 1 / -1;
  margin-top: 4px;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--c-sunken);
  border: 1px solid var(--c-border-subtle);
  padding: 10px;
  display: flex;
  justify-content: center;
}
.ios-tl-item__cta {
  grid-column: 2 / -1;
  margin-top: 4px;
}
@media (max-width: 900px) {
  .ios-tl-item__cta { grid-column: 1 / -1; }
}
.ios-tl-item__shot img {
  max-height: 200px;
  width: auto;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(15,16,32,.08);
}

/* ── About card ─────────────────────────────────────────── */
.ios-about {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--s-xl);
  align-items: center;
  background: var(--c-raised);
  border: 1px solid var(--c-border-subtle);
  border-radius: var(--r-lg);
  padding: var(--s-xl);
  box-shadow: var(--e-card);
}
.ios-about__media {
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--c-sunken);
  border: 1px solid var(--c-border-subtle);
  padding: 8px;
}
.ios-about__media img { border-radius: 8px; display: block; width: 100%; height: auto; }
.ios-about__title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--c-ink-900);
  margin: 0 0 var(--s-md);
}
.ios-about__body {
  color: var(--c-ink-500);
  font-size: 16px;
  line-height: 1.65;
}

/* ── Features grid ──────────────────────────────────────── */
.ios-features {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--s-lg);
}
.ios-feature {
  background: var(--c-raised);
  border: 1px solid var(--c-border-subtle);
  border-radius: var(--r-lg);
  padding: var(--s-lg);
  text-align: left;
}
.ios-feature__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  background: var(--c-sunken);
  border: 1px solid var(--c-border-subtle);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--s-md);
}
.ios-feature__icon img { width: 22px; height: 22px; opacity: .85; }
.ios-feature__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-ink-900);
  margin: 0 0 6px;
}
.ios-feature__body {
  font-size: 14px;
  color: var(--c-ink-500);
  line-height: 1.6;
}
.ios-feature__body a { color: var(--c-info); }

/* ── FAQ ────────────────────────────────────────────────── */
.ios-faq__list { display: grid; gap: var(--s-md); margin-top: var(--s-lg); }
.ios-faq__item {
  background: var(--c-raised);
  border: 1px solid var(--c-border-subtle);
  border-radius: var(--r-md);
  overflow: hidden;
}
.ios-faq__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 20px;
  background: transparent;
  border: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-ink-900);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}
.ios-faq__toggle::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--c-brand-deep);
  transition: transform .2s ease;
}
.ios-faq__body {
  padding: 0 20px 16px;
  font-size: 15px;
  color: var(--c-ink-500);
  line-height: 1.6;
  display: none;
}
.ios-faq__item[open] .ios-faq__toggle::after { transform: rotate(45deg); }
.ios-faq__item[open] .ios-faq__body { display: block; }

/* ── Footer spacer ──────────────────────────────────────── */
.ios-bottom-space { height: var(--s-2xl); }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .ios-hero { grid-template-columns: 1fr; gap: var(--s-lg); margin-top: var(--s-lg); }
  .ios-hero__title { margin-top: 10px; }
  .ios-hero__art {
    max-width: 420px;
    margin: 0 auto;
    width: 100%;
    aspect-ratio: auto;
    padding: var(--s-md);
  }
  .ios-hero__art img { max-height: 360px; }

  /* Hero CTA: full-width, single dominant tap target */
  .ios-hero__cta { flex-direction: column; align-items: stretch; gap: 10px; }
  .ios-hero__cta .ios-btn { justify-content: center; padding: 14px 22px; font-size: 16px; }

  /* Section spacing tightened for mobile */
  .ios-section { margin-top: var(--s-xl); }

  .ios-facts { padding: 10px var(--s-md); gap: 8px var(--s-md); }
  .ios-step {
    grid-template-columns: 60px 1fr;
    grid-template-areas: "num copy" "shot shot";
    gap: var(--s-md);
    padding: var(--s-md) var(--s-md);
  }
  .ios-step__num  { grid-area: num; font-size: 24px; padding-left: 12px; }
  .ios-step__num::before { height: 24px; width: 3px; }
  .ios-step__copy { grid-area: copy; }
  .ios-step__shot { grid-area: shot; }
  .ios-step__shot img { max-height: 280px; }

  /* Timeline tile: bigger screenshot, smaller number badge */
  .ios-tl-item { grid-template-columns: 36px 1fr; padding: 12px 14px; }
  .ios-tl-item__num { width: 36px; height: 36px; font-size: 13px; }
  .ios-tl-item__shot img { max-height: 280px; }

  /* Features grid */
  .ios-features { grid-template-columns: repeat(2, 1fr); }
  .ios-feature { padding: var(--s-md); }

  /* About card collapses & image gets a sensible cap */
  .ios-about { grid-template-columns: 1fr; padding: var(--s-lg); gap: var(--s-md); }
  .ios-about__media { max-width: 420px; margin: 0 auto; }

  /* CTA buttons in section bodies */
  .ios-cta-row .ios-btn { padding: 14px 22px; font-size: 16px; }
}
@media (max-width: 540px) {
  .ios-page .ios-btn { width: 100%; justify-content: center; }
  .ios-hero__title { font-size: 34px; line-height: 1.08; }
  .ios-hero__sub { font-size: 15.5px; }

  .ios-features { grid-template-columns: 1fr; }
  .ios-facts { gap: 6px var(--s-md); padding: 10px 14px; }
  .ios-fact__label { font-size: 11.5px; }
  .ios-fact__value { font-size: 12.5px; }

  .ios-section { margin-top: var(--s-xl); padding: 0 14px; }
  .ios-section__title { font-size: 24px; }
  .ios-section__lead { font-size: 15px; }

  .ios-step__shot img { max-height: 240px; }
  .ios-tl-item__shot img { max-height: 240px; }

  /* Editorial split: title block & rows tightened */
  .ios-explain__title { font-size: 22px; }
  .ios-explain__row { padding: var(--s-md) 0; grid-template-columns: 32px 1fr; gap: 10px; }
  .ios-explain__index { font-size: 12px; }
  .ios-explain__row h3 { font-size: 15.5px; }
  .ios-explain__row p { font-size: 14.5px; }
}