/* =====================================================================
   InstaUp APK — main stylesheet
   Theme: white + Instagram-style gradient (purple -> pink -> orange)
   Conventions: CSS variables, BEM naming, mobile-first, no frameworks
   ===================================================================== */

/* ---------- 1. Design tokens ---------- */
:root {
  /* brand */
  --color-purple: #833ab4;
  --color-pink: #e1306c;
  --color-pink-dark: #c0275c;
  --color-orange: #f77737;
  --color-gradient: linear-gradient(135deg, #833ab4 0%, #e1306c 55%, #f77737 130%);

  /* neutrals */
  --color-ink: #20203a;
  --color-muted: #5f5f78;
  --color-line: #f0e4f3;
  --color-soft: #fdf7fb;
  --color-white: #ffffff;
  --color-footer-bg: #1d1030;

  /* typography */
  --font-heading: "Plus Jakarta Sans", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;

  /* spacing scale */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;

  /* shape + elevation */
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --radius-pill: 999px;
  --shadow-card: 0 14px 40px rgba(131, 58, 180, .10);
  --shadow-btn: 0 8px 22px rgba(225, 48, 108, .35);
  --shadow-pop: 0 18px 44px rgba(225, 48, 108, .16);

  --header-h: 68px;
  --container-max: 1140px;
}

/* ---------- 2. Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-pink-dark); }
p { margin-bottom: 1em; }
ul, ol { padding-left: 1.25em; margin-bottom: 1em; }
li { margin-bottom: .45em; }

/* visible keyboard focus (a11y) */
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--color-purple);
  outline-offset: 3px;
  border-radius: 6px;
}

/* skip link (a11y) */
.skip-link { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.skip-link:focus { left: 12px; top: 12px; width: auto; height: auto; padding: 10px 18px; background: #fff; color: var(--color-pink-dark); font-weight: 700; z-index: 200; border-radius: 8px; box-shadow: var(--shadow-card); }

/* ---------- 3. Layout helpers ---------- */
.container { max-width: var(--container-max); margin: 0 auto; padding-left: 22px; padding-right: 22px; }
.section { padding: var(--space-lg) 0; }
.section--soft { background: var(--color-soft); }
/* narrow centered content column */
.u-narrow { max-width: 800px; margin: 0 auto; }
.u-narrow--mt { max-width: 800px; margin: var(--space-md) auto 0; }
.u-mb-lg { margin-bottom: var(--space-lg); }

/* Section heading block: kicker + title with accent bar (consistent site-wide) */
.sec-head { text-align: center; max-width: 660px; margin: 0 auto var(--space-lg); }
.sec-head__kicker {
  display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: 2.5px;
  text-transform: uppercase; color: var(--color-pink); margin-bottom: 10px;
}
.sec-head__title { font-family: var(--font-heading); font-size: clamp(26px, 4vw, 36px); font-weight: 800; line-height: 1.25; margin-bottom: 10px; }
.sec-head__title .grad { background: var(--color-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
/* gradient underline accent, centered */
.sec-head__title::after {
  content: ""; display: block; width: 72px; height: 5px; border-radius: var(--radius-pill);
  background: var(--color-gradient); margin: 14px auto 0;
}
.sec-head__lead { color: var(--color-muted); }

/* centered section banner image (no extra text needed) */
.section-banner { max-width: 800px; margin: var(--space-lg) auto; }
.section-banner img { border-radius: var(--radius-md); box-shadow: var(--shadow-card); width: 100%; }

/* ---------- inner page hero + prose ---------- */
.page-hero { background: var(--color-gradient); padding: 54px 0; color: #fff; position: relative; overflow: hidden; }
.page-hero::after { content: ""; position: absolute; width: 280px; height: 280px; border-radius: 50%; background: rgba(255,255,255,.12); top: -120px; right: -80px; }
.page-hero .title-bar { color: #fff; font-size: clamp(30px, 5vw, 44px); }
.page-hero .title-bar::before { background: #fff; }
.prose { background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: clamp(24px, 4vw, 44px); box-shadow: var(--shadow-card); }
.prose h2.title-bar { margin-top: 1.6em; }
.prose h2.title-bar:first-child { margin-top: 0; }

/* ---------- Prominent section title bars ---------- */
.title-bar {
  position: relative;
  padding: 14px 20px 14px 28px;
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: .9em;
  background: linear-gradient(90deg, rgba(225,48,108,.10), rgba(131,58,180,.06) 55%, rgba(247,119,55,.05));
  border: 1px solid rgba(225,48,108,.16);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.title-bar::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 10px;
  background: var(--color-gradient);
  box-shadow: 2px 0 16px rgba(225,48,108,.50);
}
.title-bar::after {
  content: ""; position: absolute; left: 10px; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(180deg, rgba(225,48,108,.30), rgba(131,58,180,.10));
}
.page-hero .title-bar { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.28); }
.page-hero .title-bar::before { box-shadow: 2px 0 16px rgba(255,255,255,.55); }
.page-hero .title-bar::after { background: linear-gradient(180deg, rgba(255,255,255,.38), rgba(255,255,255,.10)); }
h1.title-bar { font-size: clamp(30px, 5vw, 46px); }
h2.title-bar { font-size: clamp(23px, 3.4vw, 31px); }
h3.title-bar { font-size: clamp(18px, 2.6vw, 22px); }

/* gradient text helper */
.grad-text { background: var(--color-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- 4. Buttons ---------- */
.btn {
  display: inline-block; font-family: var(--font-heading); font-weight: 700; font-size: 16px;
  color: #fff !important; text-decoration: none; background: var(--color-gradient);
  padding: 14px 36px; border-radius: var(--radius-pill); border: 0; cursor: pointer;
  box-shadow: var(--shadow-btn); transition: transform .25s ease, box-shadow .25s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-pop); }
.btn--sm { padding: 10px 24px; font-size: 14px; }
.btn--white { background: #fff; color: var(--color-pink-dark) !important; box-shadow: 0 10px 26px rgba(0,0,0,.22); }
.btn--ghost { background: #fff; color: var(--color-pink-dark) !important; box-shadow: inset 0 0 0 2px var(--color-pink); }

/* ---------- 5. Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60; background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line); height: var(--header-h);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--font-heading); font-weight: 800; font-size: 20px; color: var(--color-ink); }
.brand__logo { width: 38px; height: 38px; }
.brand__name .grad-text { font-weight: 800; }

.main-nav__list { display: none; list-style: none; margin: 0; padding: 0; gap: 26px; }
.main-nav__link { text-decoration: none; color: var(--color-muted); font-weight: 600; font-size: 15px; padding: 6px 2px; position: relative; transition: color .2s; }
.main-nav__link:hover, .main-nav__link.is-active { color: var(--color-pink-dark); }
.main-nav__link.is-active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 3px; border-radius: var(--radius-pill); background: var(--color-gradient); }
.site-header__cta { display: none; }

/* hamburger */
.nav-toggle { display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; background: none; border: 0; cursor: pointer; padding: 10px; }
.nav-toggle__bar { display: block; height: 3px; border-radius: 3px; background: var(--color-ink); transition: transform .25s, opacity .2s; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* mobile drawer */
.mobile-nav { display: none; background: #fff; border-bottom: 1px solid var(--color-line); box-shadow: 0 18px 30px rgba(131,58,180,.12); }
.mobile-nav.is-open { display: block; }
.mobile-nav__list { list-style: none; margin: 0; padding: 10px 22px 18px; }
.mobile-nav__link { display: block; padding: 12px 4px; text-decoration: none; color: var(--color-ink); font-weight: 600; border-bottom: 1px solid var(--color-line); }
.mobile-nav__link:last-child { border-bottom: 0; }
.mobile-nav__link.is-active { color: var(--color-pink-dark); }

/* ---------- 6. Hero ---------- */
.hero { position: relative; overflow: hidden; background: linear-gradient(180deg, #fdf2f7 0%, #fbe9f3 45%, #ffffff 100%); }
.hero::before { content: ""; position: absolute; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle, rgba(225,48,108,.14), transparent 70%); top: -180px; right: -140px; }
.hero__inner { position: relative; z-index: 1; display: grid; gap: var(--space-lg); padding-top: var(--space-xl); padding-bottom: var(--space-xl); align-items: center; }
.hero__badge {
  display: inline-block; background: #fdeef4; color: var(--color-pink-dark); font-weight: 700; font-size: 13px;
  padding: 7px 16px; border-radius: var(--radius-pill); border: 1px solid #f6cfdf; margin-bottom: 18px;
}
.hero__title { font-family: var(--font-heading); font-size: clamp(32px, 5.4vw, 54px); font-weight: 800; line-height: 1.12; margin-bottom: 16px; }
/* title bar on hero H1 (accent underline, left aligned) */
.hero__title::after { content: ""; display: block; width: 84px; height: 5px; border-radius: var(--radius-pill); background: var(--color-gradient); margin-top: 16px; }
.hero__lead { color: var(--color-muted); font-size: clamp(16px, 2.2vw, 19px); max-width: 520px; margin-bottom: 28px; }
.hero__actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-bottom: 30px; }
.hero__meta { font-size: 13.5px; color: var(--color-muted); }
.hero__stats { display: flex; gap: 34px; flex-wrap: wrap; }
.hero__stat b { display: block; font-family: var(--font-heading); font-size: 26px; }
.hero__stat span { font-size: 13px; color: var(--color-muted); }

/* hero visual image */
.hero__visual { display: flex; justify-content: center; }
.hero__visual img { width: 100%; max-width: 430px; border-radius: var(--radius-lg); box-shadow: 0 30px 60px rgba(131,58,180,.28); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { transition: none !important; opacity: 1 !important; transform: none !important; }
}

/* ---------- 7. Trust strip ---------- */
.trust { border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); background: var(--color-soft); }
.trust__inner { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: center; padding: 18px 22px; font-size: 14px; font-weight: 600; color: var(--color-muted); }
.trust__item { display: inline-flex; align-items: center; gap: 8px; }

/* ---------- 8. Content rows (text + image) ---------- */
.split { display: grid; gap: var(--space-lg); align-items: center; }
.split__media img { border-radius: var(--radius-md); box-shadow: var(--shadow-card); width: 100%; }
.split__media { position: relative; }
.split__media::before {
  content: ""; position: absolute; inset: 18px -18px -18px 18px; border-radius: var(--radius-md);
  background: var(--color-gradient); opacity: .14; z-index: -1;
}

/* ---------- 9. Info table ---------- */
.info-card { border: 1px solid var(--color-line); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-card); background: #fff; }
.info-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.info-table th, .info-table td { padding: 15px 22px; border: 1px solid #ecd9e8; text-align: left; vertical-align: top; }
.info-table thead th { background: var(--color-gradient); color: #fff; border-color: rgba(255,255,255,.25); font-family: var(--font-heading); }
.info-table tbody th { width: 230px; background: var(--color-soft); font-family: var(--font-heading); }
.info-table tr { transition: background .2s; }
.info-table tbody tr:hover { background: #fff7fb; }
.tag-free { display: inline-block; background: #e9fbef; color: #178a4c; font-weight: 700; font-size: 13px; padding: 4px 14px; border-radius: var(--radius-pill); }

/* ---------- 10. Feature cards ---------- */
.feat-grid { display: grid; gap: 22px; }
.feat {
  border: 1.5px solid #f0d3e0; border-radius: var(--radius-md); padding: 28px 24px; background: #fff;
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.feat:hover { transform: translateY(-8px) scale(1.015); box-shadow: 0 26px 55px rgba(225,48,108,.24), 0 8px 18px rgba(131,58,180,.12); border-color: var(--color-pink); }
.feat__icon { width: 54px; height: 54px; border-radius: 16px; background: var(--color-gradient); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; box-shadow: var(--shadow-btn); }
.feat__icon svg { width: 26px; height: 26px; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.feat__title { font-family: var(--font-heading); font-size: 18px; margin-bottom: 8px; }
.feat__text { font-size: 14.5px; color: var(--color-muted); margin: 0; }

/* ---------- 11. Steps ---------- */
.steps { display: grid; gap: 22px; counter-reset: step; }
.step { position: relative; border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 34px 24px 28px; background: var(--color-soft); text-align: center; transition: transform .25s, box-shadow .25s; }
.step:hover { transform: translateY(-5px); box-shadow: var(--shadow-card); }
.step__num {
  width: 46px; height: 46px; border-radius: 50%; background: var(--color-gradient); color: #fff;
  font-family: var(--font-heading); font-weight: 800; font-size: 19px;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; box-shadow: var(--shadow-btn);
}
.step__title { font-family: var(--font-heading); font-size: 18px; margin-bottom: 8px; }
.step__text { font-size: 14.5px; color: var(--color-muted); margin: 0; }

/* numbered install list */
.install-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; counter-reset: inst; }
.install-list__item { display: flex; gap: 14px; align-items: flex-start; background: #fff; border: 1.5px solid #f0d3e0; border-radius: 14px; padding: 16px 18px; counter-increment: inst; transition: box-shadow .2s, transform .2s; }
.install-list__item:hover { box-shadow: var(--shadow-card); transform: translateX(4px); }
.install-list__item::before {
  content: counter(inst); flex: 0 0 32px; width: 32px; height: 32px; border-radius: 50%;
  background: var(--color-gradient); color: #fff; font-family: var(--font-heading); font-weight: 800; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
}

/* ---------- 12. Pros / cons ---------- */
.pc-grid { display: grid; gap: 22px; }
.pc-card { border-radius: var(--radius-md); padding: 30px 28px; border: 1px solid var(--color-line); background: #fff; }
.pc-card--pros { border-top: 5px solid #22b573; box-shadow: var(--shadow-card); }
.pc-card--cons { border-top: 5px solid var(--color-pink); box-shadow: var(--shadow-card); }
.pc-card__title { font-family: var(--font-heading); font-size: 22px; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.pc-card__list { list-style: none; margin: 0; padding: 0; }
.pc-card__list li { position: relative; padding-left: 30px; margin-bottom: 10px; font-size: 15px; }
.pc-card--pros .pc-card__list li::before { content: "✓"; position: absolute; left: 0; color: #22b573; font-weight: 800; }
.pc-card--cons .pc-card__list li::before { content: "✕"; position: absolute; left: 0; color: var(--color-pink); font-weight: 800; }

/* ---------- 13. FAQ (details/summary, JS-enhanced) ---------- */
.faq { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq__item { border: 1px solid var(--color-line); border-radius: 14px; background: #fff; overflow: hidden; transition: box-shadow .2s; }
.faq__item[open], .faq__item:hover { box-shadow: var(--shadow-card); }
.faq__q { font-family: var(--font-heading); font-weight: 700; cursor: pointer; font-size: 16.5px; padding: 18px 22px; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after { content: "+"; font-size: 24px; font-weight: 800; line-height: 1; transition: transform .25s; }
.faq__item[open] .faq__q::after { transform: rotate(45deg); }
.faq__q .grad-text { -webkit-background-clip: text; background-clip: text; }
.faq__a { color: var(--color-muted); font-size: 15px; padding: 0 22px 20px; }

/* ---------- 15. Footer ---------- */
.site-footer { background: var(--color-footer-bg); color: #cfc3e6; margin-top: var(--space-xl); }
.site-footer__top { display: grid; gap: 36px; padding: 56px 0 40px; }
.footer-brand__logo { width: 44px; height: 44px; margin-bottom: 14px; }
.footer-brand__name { font-family: var(--font-heading); font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 10px; }
.footer-brand__text { font-size: 14px; max-width: 320px; }
.footer-col__title { font-family: var(--font-heading); color: #fff; font-size: 16px; margin-bottom: 16px; position: relative; padding-bottom: 10px; }
.footer-col__title::after { content: ""; position: absolute; left: 0; bottom: 0; width: 40px; height: 3px; border-radius: 3px; background: var(--color-gradient); }
.footer-col__list { list-style: none; margin: 0; padding: 0; }
.footer-col__list li { margin-bottom: 10px; }
.footer-col__link { color: #cfc3e6; text-decoration: none; font-size: 14.5px; transition: color .2s, padding-left .2s; }
.footer-col__link:hover { color: #fff; padding-left: 6px; }
.social { display: flex; gap: 12px; margin-top: 6px; }
.social__link {
  width: 40px; height: 40px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.08); transition: background .25s, transform .25s;
}
.social__link:hover { background: var(--color-gradient); transform: translateY(-3px); }
.social__link svg { width: 18px; height: 18px; fill: #fff; }
.site-footer__bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0; display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; font-size: 13px; }

/* ---------- 16. Scroll reveal (JS adds .is-visible) ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 17. Contact form ---------- */
.form { display: grid; gap: 16px; max-width: 640px; }
.form__row { display: grid; gap: 16px; }
.form__label { font-weight: 600; font-size: 14.5px; display: block; margin-bottom: 6px; }
.form__input, .form__textarea {
  width: 100%; border: 1.5px solid var(--color-line); border-radius: var(--radius-sm);
  padding: 13px 16px; font: inherit; font-size: 15px; background: #fff; transition: border-color .2s, box-shadow .2s;
}
.form__input:focus, .form__textarea:focus { border-color: var(--color-pink); box-shadow: 0 0 0 4px rgba(225,48,108,.12); outline: none; }
.form__textarea { min-height: 150px; resize: vertical; }

/* ---------- 18. Breakpoints ---------- */
/* <768px: extra breathing room for hero text on phones (desktop untouched) */
@media (max-width: 767px) {
  .hero__inner { padding-left: 26px; padding-right: 26px; }
}
/* >=480px */
@media (min-width: 480px) {
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .form__row { grid-template-columns: 1fr 1fr; }
}
/* >=768px */
@media (min-width: 768px) {
  .section { padding: var(--space-xl) 0; }
  .hero__inner { grid-template-columns: 1.05fr .95fr; }
  .split { grid-template-columns: 1fr 1fr; }
  .split--flip .split__media { order: 2; }
  .site-footer__top { grid-template-columns: 1.3fr 1fr 1fr 1fr; }
  .pc-grid { grid-template-columns: 1fr 1fr; }
}
/* >=1024px */
@media (min-width: 1024px) {
  .main-nav__list { display: flex; }
  .site-header__cta { display: inline-block; }
  .nav-toggle { display: none; }
  .mobile-nav.is-open { display: none; }
  .feat-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .steps--4 { grid-template-columns: repeat(4, 1fr); }
}
/* ---------- 19. Revision extras: content boxes + timelines ---------- */
/* bordered + shadow content box (vs section, conclusion, track results) */
.content-box {
  background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-md);
  box-shadow: var(--shadow-card); padding: clamp(24px, 4vw, 40px);
}
.content-box .title-bar:first-child { margin-top: 0; }

/* compare box: gradient border frame + VS divider (InstaUp vs Instagram) */
.content-box--compare {
  border: 2px solid transparent;
  background: linear-gradient(#fff, #fff) padding-box, linear-gradient(135deg, #E1306C, #833AB4, #F77737) border-box;
  border-radius: 20px; box-shadow: var(--shadow-pop);
}
.vs-divider { display: flex; align-items: center; gap: 14px; margin: 8px 0; }
.vs-divider::before, .vs-divider::after {
  content: ""; flex: 1; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, transparent, #f3c3d8, transparent);
}
.vs-divider span {
  font-weight: 800; font-size: 13px; letter-spacing: 3px; color: #fff;
  background: var(--color-gradient); border-radius: 999px; padding: 8px 20px 8px 23px;
  box-shadow: var(--shadow-card);
}

/* conclusion box: soft gradient fill + gradient top accent */
.content-box--conclusion {
  background: linear-gradient(135deg, #ffffff 0%, #fdf0f6 100%);
  border: 1.5px solid #f0d3e0; border-top: 6px solid;
  border-image: linear-gradient(90deg, #E1306C, #833AB4, #F77737) 1 0 0 0;
  border-radius: 18px; box-shadow: var(--shadow-pop);
}

/* vertical timeline variant for the growth steps */
.steps.steps--timeline { grid-template-columns: 1fr; max-width: 780px; margin: 0 auto; position: relative; }
.steps--timeline::before { content: ""; position: absolute; left: 50px; top: 44px; bottom: 44px; width: 4px; border-radius: 4px; background: linear-gradient(180deg, #E1306C, #833AB4, #F77737); opacity: .16; }
.steps--timeline .step { display: grid; grid-template-columns: 56px 1fr; gap: 8px 20px; text-align: left; align-items: start; padding: 26px 24px; position: relative; z-index: 1; transition: box-shadow .25s, transform .25s; }
.steps--timeline .step:hover { transform: translateX(6px); box-shadow: var(--shadow-pop); }
.steps--timeline .step__num { margin: 0; flex: 0 0 46px; box-shadow: 0 0 0 6px #fff; grid-row: 1 / 3; align-self: start; }
.steps--timeline .step__title { margin-top: 8px; grid-column: 2; }
.steps--timeline .step__text { grid-column: 2; }

/* install steps as a connected vertical timeline */
.install-list--timeline { position: relative; }
.install-list--timeline::before {
  content: ""; position: absolute; left: 33px; top: 26px; bottom: 26px; width: 4px;
  border-radius: 4px; background: var(--color-gradient); opacity: .22;
}
.install-list--timeline .install-list__item { position: relative; z-index: 1; box-shadow: var(--shadow-card); }

/* >=1440px */
@media (min-width: 1440px) {
  :root { --container-max: 1240px; }
}