/* ============================================================
   appsstore.ai — Developer as a Service marketing site
   Design tokens + responsive layout
   ============================================================ */

:root {
  --bg: #f4f3ef;
  --ink: #111110;
  --ink-soft: #2a2a26;
  --lime: #c8ff00;
  --lime-ink: #0a0a0b;
  --lime-deep: #3f5e00;
  --muted: #57564e;
  --muted-2: #8a887e;
  --line: #e2e0d8;
  --line-2: #d6d4ca;
  --card-line: #e6e4db;
  --card-line-2: #eceae1;

  --panel: #181817;
  --panel-2: #212120;
  --panel-line: #2a2a27;
  --panel-deep: #0f0f0e;
  --panel-lime-line: #2f3a12;

  --sans: 'Geist', system-ui, -apple-system, sans-serif;
  --display: 'Space Grotesk', var(--sans);
  --mono: 'Geist Mono', ui-monospace, 'SFMono-Regular', monospace;

  --maxw: 1180px;
  --pad: 32px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--lime); color: var(--ink); }

/* ---- keyframes ---- */
@keyframes msRise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes msPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
@keyframes msMarquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

/* ---- shared layout ---- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }
.section { padding-top: 100px; padding-bottom: 90px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted-2);
  margin-bottom: 14px;
}
.h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 46px;
  line-height: 1.0;
  letter-spacing: -0.03em;
}
.mark { background: var(--lime); padding: 0 8px; border-radius: 5px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(244, 243, 239, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--pad); gap: 24px;
}
.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand__logo {
  width: 27px; height: 27px; border-radius: 8px; background: var(--ink);
  display: flex; align-items: center; justify-content: center;
  color: var(--bg); font-weight: 700; font-family: var(--display); font-size: 15px;
}
.brand__name { font-family: var(--display); font-weight: 600; font-size: 17px; letter-spacing: -0.02em; }
.brand__name .dim { color: var(--muted-2); }
.badge-beta {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em;
  color: var(--lime-deep); background: var(--lime);
  padding: 3px 8px; border-radius: 20px; font-weight: 600;
}
.nav__links { display: flex; align-items: center; gap: 24px; font-size: 14px; color: var(--muted); }
.nav__links a { transition: color .15s; }
.nav__links a:hover { color: var(--ink); }
.nav__actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.nav__signin { font-size: 14px; color: var(--muted); }
.nav__signin:hover { color: var(--ink); }

.btn-primary {
  background: var(--ink); color: var(--bg);
  font-weight: 600; font-size: 14px; padding: 10px 18px;
  border-radius: 11px; transition: transform .12s; display: inline-block;
}
.btn-primary:hover { transform: translateY(-1px); }

/* ============================================================
   HERO
   ============================================================ */
.hero { padding: 80px var(--pad) 40px; max-width: var(--maxw); margin: 0 auto; }
.hero__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px; align-items: center; }

.pill {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; color: var(--muted);
  border: 1px solid var(--line-2); padding: 7px 15px; border-radius: 30px;
  margin-bottom: 28px; animation: msRise .6s ease both;
}
.hero__title {
  font-family: var(--display); font-weight: 600; font-size: 66px;
  line-height: 0.97; letter-spacing: -0.035em; margin-bottom: 24px;
  animation: msRise .6s ease .06s both;
}
.hero__title .mark { padding: 0 10px; border-radius: 5px; }
.hero__lede {
  font-size: 18px; line-height: 1.55; color: var(--muted);
  max-width: 460px; margin-bottom: 36px; animation: msRise .6s ease .12s both;
}

/* install widget */
.install { max-width: 540px; animation: msRise .6s ease .18s both; }
.install__tabs {
  display: inline-flex; gap: 3px; padding: 3px;
  background: #e9e7dd; border-radius: 11px; margin-bottom: 12px;
}
.install__tab {
  font-family: var(--mono); font-size: 12px; padding: 7px 15px;
  border-radius: 8px; cursor: pointer; border: none; font-weight: 500;
  background: transparent; color: var(--muted); transition: background .15s, color .15s;
}
.install__tab[aria-selected="true"] { background: var(--ink); color: var(--bg); }

/* terminal-style command card */
.install__card {
  background: var(--ink); border-radius: 16px; overflow: hidden;
  box-shadow: 0 18px 42px -18px rgba(0, 0, 0, 0.45);
}
.install__cardhead {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 12px 11px 16px; border-bottom: 1px solid #262521;
}
.install__dot { width: 11px; height: 11px; border-radius: 50%; background: #3a3a34; flex-shrink: 0; }
.install__cardlabel {
  margin-left: 6px; font-family: var(--mono); font-size: 11.5px;
  color: var(--muted-2); letter-spacing: 0.02em;
}
.install__copy {
  margin-left: auto; background: var(--lime); color: var(--lime-ink); border: none;
  padding: 6px 14px; border-radius: 8px; font-size: 12.5px; font-weight: 600;
  cursor: pointer; white-space: nowrap; transition: background .15s;
}
.install__copy.is-copied { background: rgba(200, 255, 0, 0.14); color: var(--lime); }
.install__cardbody { display: flex; gap: 12px; align-items: flex-start; padding: 18px 20px; }
.install__prefix { color: var(--lime); font-family: var(--mono); font-size: 15px; line-height: 1.6; flex-shrink: 0; }
.install__code {
  flex: 1; font-family: var(--mono); font-size: 14px; color: var(--bg);
  line-height: 1.6; white-space: pre-wrap; word-break: break-word;
}
.install__hint { font-size: 13px; color: var(--muted-2); margin-top: 11px; line-height: 1.45; }

/* AI-tool chips */
.install__agents { margin-top: 20px; }
.install__agentslabel {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em;
  color: var(--muted-2); margin-bottom: 11px;
}
.install__agentgrid { display: flex; flex-wrap: wrap; gap: 8px; }
.agentchip {
  display: flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid #e3e1d8; border-radius: 10px;
  padding: 6px 13px 6px 6px; font-size: 13px; font-weight: 500; color: var(--ink-soft);
}
.agentchip__badge {
  width: 22px; height: 22px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: #fff; flex-shrink: 0;
}

.install__gift {
  display: flex; align-items: center; gap: 10px; margin-top: 20px;
  background: var(--ink); border-radius: 12px; padding: 11px 15px;
}
.install__gift span.txt { font-size: 13.5px; color: var(--bg); line-height: 1.4; }
.install__gift strong { color: var(--lime); font-weight: 600; }

.hero__assurances {
  display: flex; align-items: center; gap: 22px; margin-top: 28px;
  font-size: 13px; color: var(--muted-2); flex-wrap: wrap; animation: msRise .6s ease .24s both;
}
.hero__assurances span { display: flex; align-items: center; gap: 7px; }
.hero__assurances .dot { color: var(--ink); }

/* dark product chat card */
.chatcard {
  background: var(--ink); border-radius: 20px; padding: 22px;
  box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.45);
  animation: msRise .7s ease .2s both;
}
.chatcard--preview { padding: 20px; box-shadow: 0 40px 90px -34px rgba(0, 0, 0, 0.45); animation: none; }
.chat {
  background: var(--panel); border: 1px solid var(--panel-line);
  border-radius: 15px; overflow: hidden;
}
.chat__head { display: flex; align-items: center; gap: 10px; padding: 14px 17px; border-bottom: 1px solid var(--panel-line); }
.chat__avatar { width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0; }
.chat__who { flex: 1; min-width: 0; }
.chat__name { font-size: 13px; font-weight: 600; color: var(--bg); }
.chat__meta { font-size: 11px; color: var(--muted-2); }
.chat__live { font-size: 10.5px; font-family: var(--mono); color: var(--lime); display: flex; align-items: center; gap: 6px; }
.chat__live .led { width: 6px; height: 6px; border-radius: 50%; background: var(--lime); animation: msPulse 2s ease infinite; }
.chat__body { padding: 20px; display: flex; flex-direction: column; gap: 13px; }
.bubble { max-width: 84%; padding: 11px 14px; font-size: 14px; line-height: 1.45; }
.bubble--me { align-self: flex-end; max-width: 80%; background: #7c85ff; color: #fff; border-radius: 15px 15px 4px 15px; }
.bubble--them { align-self: flex-start; background: var(--panel-2); color: #e4e4e0; border-radius: 15px 15px 15px 4px; }
.approval { background: var(--panel-deep); border: 1px solid var(--panel-lime-line); border-radius: 13px; padding: 15px; }
.approval__label { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; color: var(--lime); margin-bottom: 8px; }
.approval__title { font-size: 14px; color: var(--bg); margin-bottom: 3px; }
.approval__title code { font-family: var(--mono); color: var(--lime); }
.approval__est { font-size: 12.5px; color: var(--muted-2); margin-bottom: 13px; }
.approval__actions { display: flex; gap: 9px; }
.approval__yes { flex: 1; background: var(--lime); color: var(--lime-ink); border: none; padding: 10px; border-radius: 10px; font-size: 13px; font-weight: 600; cursor: pointer; }
.approval__no { background: transparent; color: var(--muted-2); border: 1px solid var(--panel-line); padding: 10px 16px; border-radius: 10px; font-size: 13px; font-weight: 600; cursor: pointer; }

/* ============================================================
   LOGO MARQUEE
   ============================================================ */
.marquee { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 20px 0; overflow: hidden; position: relative; margin-top: 40px; }
.marquee__fade { position: absolute; inset: 0; z-index: 2; background: linear-gradient(90deg, var(--bg), rgba(244, 243, 239, 0) 12%, rgba(244, 243, 239, 0) 88%, var(--bg)); pointer-events: none; }
.marquee__track { display: flex; gap: 56px; width: max-content; animation: msMarquee 28s linear infinite; font-family: var(--display); font-weight: 500; font-size: 18px; color: #c3c1b6; white-space: nowrap; }

/* ============================================================
   SECTION HEADERS (use cases / experts)
   ============================================================ */
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 44px; gap: 30px; flex-wrap: wrap; }
.sec-head__title { max-width: 600px; }
.sec-head__aside { font-size: 15px; color: var(--muted); max-width: 320px; line-height: 1.6; }

/* ============================================================
   USE CASES
   ============================================================ */
.cases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.case {
  background: #fff; border: 1px solid var(--card-line); border-radius: 18px; padding: 30px;
  transition: transform .15s, box-shadow .15s;
}
.case:hover { transform: translateY(-3px); box-shadow: 0 20px 44px -22px rgba(0, 0, 0, 0.2); }
.case__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.case__icon { width: 46px; height: 46px; border-radius: 12px; background: var(--ink); display: flex; align-items: center; justify-content: center; font-size: 22px; }
.case__from { font-family: var(--mono); font-size: 12px; color: var(--muted-2); }
.case__title { font-family: var(--display); font-weight: 600; font-size: 23px; letter-spacing: -0.02em; margin-bottom: 9px; }
.case__body { font-size: 14.5px; color: var(--muted); line-height: 1.55; margin-bottom: 18px; }
.case__quote { font-family: var(--mono); font-size: 12.5px; color: var(--muted); border-top: 1px solid var(--card-line-2); padding-top: 14px; }

/* ============================================================
   EXPERTS
   ============================================================ */
.expert-stats { display: flex; gap: 26px; flex-wrap: wrap; margin-bottom: 36px; padding: 22px 28px; background: var(--ink); border-radius: 16px; }
.expert-stats__item { flex: 1; min-width: 150px; }
.expert-stats__n { font-family: var(--display); font-weight: 600; font-size: 32px; letter-spacing: -0.02em; color: var(--lime); }
.expert-stats__label { font-size: 13.5px; color: #a8a79e; margin-top: 2px; }

.experts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.expert { background: #fff; border: 1px solid var(--card-line); border-radius: 18px; overflow: hidden; transition: transform .15s, box-shadow .15s; }
.expert:hover { transform: translateY(-3px); box-shadow: 0 20px 44px -22px rgba(0, 0, 0, 0.2); }
.expert__photo { position: relative; height: 190px; background: #e8e6dd; }
.expert__photo img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.04); }
.expert__disc { position: absolute; bottom: 10px; left: 10px; font-family: var(--mono); font-size: 10.5px; color: var(--lime-ink); background: var(--lime); padding: 3px 9px; border-radius: 20px; font-weight: 500; }
.expert__pad { padding: 18px 18px 20px; }
.expert__name { font-family: var(--display); font-weight: 600; font-size: 17px; letter-spacing: -0.01em; }
.expert__role { font-size: 12.5px; color: var(--muted-2); margin-bottom: 11px; }
.expert__cred { font-size: 13px; color: var(--muted); line-height: 1.5; margin-bottom: 13px; }
.expert__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.expert__tag { font-family: var(--mono); font-size: 10.5px; color: var(--muted); border: 1px solid var(--line); padding: 3px 8px; border-radius: 6px; }
.experts__more { text-align: center; margin-top: 26px; font-size: 14px; color: var(--muted-2); }
.experts__more a { color: var(--ink); border-bottom: 1px solid #cfcdc3; padding-bottom: 1px; }

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how { background: var(--ink); color: var(--bg); border-radius: 24px; padding: 64px 56px; }
.how__head { text-align: center; margin-bottom: 52px; }
.how__eyebrow { color: var(--lime); }
.how__title { font-family: var(--display); font-weight: 600; font-size: 44px; letter-spacing: -0.03em; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step { border-top: 2px solid var(--lime); padding-top: 22px; }
.step__n { font-family: var(--mono); font-size: 13px; color: var(--muted-2); margin-bottom: 16px; }
.step__title { font-family: var(--display); font-weight: 600; font-size: 23px; letter-spacing: -0.02em; margin-bottom: 10px; }
.step__body { font-size: 14.5px; color: #a8a79e; line-height: 1.6; }

/* ============================================================
   PRODUCT PREVIEW
   ============================================================ */
.preview { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: center; }
.preview__title { font-family: var(--display); font-weight: 600; font-size: 44px; line-height: 1.0; letter-spacing: -0.03em; margin-bottom: 20px; }
.preview__lede { font-size: 16px; color: var(--muted); line-height: 1.6; margin-bottom: 28px; }
.preview__points { display: flex; flex-direction: column; gap: 14px; }
.preview__point { display: flex; gap: 12px; align-items: flex-start; }
.preview__point .arrow { color: var(--ink); font-size: 15px; margin-top: 1px; }
.preview__point span.txt { font-size: 15px; color: var(--ink-soft); line-height: 1.5; }

/* ============================================================
   SECURITY
   ============================================================ */
.security { border-top: 1px solid var(--line); padding-top: 80px; }
.security__head { text-align: center; margin-bottom: 50px; }
.security__title { font-family: var(--display); font-weight: 600; font-size: 46px; letter-spacing: -0.03em; max-width: 640px; margin: 0 auto 16px; line-height: 1.0; }
.security__lede { font-size: 16px; color: var(--muted); max-width: 540px; margin: 0 auto; line-height: 1.6; }
.sec-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.sec-card { background: #fff; border: 1px solid var(--card-line); border-radius: 16px; padding: 26px 24px; }
.sec-card__icon { width: 42px; height: 42px; border-radius: 11px; background: var(--ink); color: var(--lime); display: flex; align-items: center; justify-content: center; font-size: 19px; margin-bottom: 16px; }
.sec-card__title { font-family: var(--display); font-weight: 600; font-size: 17px; letter-spacing: -0.01em; margin-bottom: 8px; }
.sec-card__body { font-size: 13.5px; color: var(--muted); line-height: 1.55; }

/* ============================================================
   PRICING
   ============================================================ */
.pricing__head { text-align: center; margin-bottom: 50px; }
.pricing__title { font-family: var(--display); font-weight: 600; font-size: 46px; letter-spacing: -0.03em; margin-bottom: 16px; }
.pricing__lede { font-size: 16px; color: var(--muted); max-width: 520px; margin: 0 auto; line-height: 1.6; }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.plan { border-radius: 20px; padding: 34px 30px; display: flex; flex-direction: column; }
.plan--light { background: #fff; border: 1px solid var(--card-line); }
.plan--dark { background: var(--ink); border: 1px solid var(--ink); box-shadow: 0 34px 80px -30px rgba(0, 0, 0, 0.4); }
.plan__pop { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--lime-ink); background: var(--lime); display: inline-block; padding: 3px 10px; border-radius: 20px; margin-bottom: 18px; font-weight: 600; align-self: flex-start; }
.plan__name { font-family: var(--display); font-weight: 600; font-size: 20px; letter-spacing: -0.01em; margin-bottom: 6px; }
.plan__sub { font-size: 14px; margin-bottom: 24px; }
.plan__priceRow { display: flex; align-items: baseline; gap: 8px; margin-bottom: 4px; }
.plan__price { font-family: var(--display); font-weight: 600; font-size: 44px; letter-spacing: -0.03em; }
.plan__unit { font-size: 14px; }
.plan__credits { font-family: var(--mono); font-size: 13px; margin-bottom: 26px; }
.plan__feats { display: flex; flex-direction: column; gap: 11px; margin-bottom: 30px; }
.plan__feat { display: flex; gap: 10px; font-size: 14px; }
.plan__btn { margin-top: auto; text-align: center; padding: 12px; border-radius: 11px; font-size: 14px; font-weight: 600; display: block; }
.plan__btn--ghost-light { border: 1px solid #cfcdc3; color: var(--ink); }
.plan__btn--lime { background: var(--lime); color: var(--lime-ink); }
/* dark plan text colors */
.plan--dark .plan__name, .plan--dark .plan__price { color: var(--bg); }
.plan--dark .plan__sub, .plan--dark .plan__unit { color: var(--muted-2); }
.plan--dark .plan__credits, .plan--dark .plan__feat .check { color: var(--lime); }
.plan--dark .plan__feat { color: var(--bg); }
.plan--light .plan__name, .plan--light .plan__price, .plan--light .plan__feat { color: var(--ink); }
.plan--light .plan__sub, .plan--light .plan__unit { color: var(--muted); }
.plan--light .plan__credits, .plan--light .plan__feat .check { color: var(--lime-deep); }

/* ============================================================
   FINAL CTA
   ============================================================ */
.cta { background: var(--ink); border-radius: 26px; padding: 76px 56px; text-align: center; position: relative; overflow: hidden; }
.cta__glow { position: absolute; inset: 0; background: radial-gradient(90% 120% at 50% 120%, rgba(200, 255, 0, 0.12), rgba(17, 17, 16, 0) 60%); pointer-events: none; }
.cta__inner { position: relative; }
.cta__title { font-family: var(--display); font-weight: 700; font-size: 58px; line-height: 0.98; letter-spacing: -0.035em; color: var(--bg); margin-bottom: 20px; }
.cta__lede { font-size: 18px; color: #a8a79e; max-width: 480px; margin: 0 auto 34px; line-height: 1.5; }
.cta__bar { display: inline-flex; align-items: center; gap: 12px; background: var(--lime-ink); border: 1px solid var(--panel-line); border-radius: 14px; padding: 8px 8px 8px 18px; max-width: 100%; flex-wrap: wrap; justify-content: center; }
.cta__bar .install__prefix { font-size: 15px; }
.cta__bar code { font-family: var(--mono); font-size: 14.5px; color: var(--bg); }
.cta__copy { background: var(--lime); color: var(--lime-ink); border: none; padding: 10px 18px; border-radius: 10px; font-size: 14px; font-weight: 600; cursor: pointer; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { max-width: var(--maxw); margin: 0 auto; padding: 52px var(--pad) 60px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; flex-wrap: wrap; }
.footer__brand { max-width: 280px; }
.footer__row { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer__logo { width: 24px; height: 24px; border-radius: 7px; background: var(--ink); display: flex; align-items: center; justify-content: center; color: var(--bg); font-weight: 700; font-family: var(--display); font-size: 14px; }
.footer__name { font-family: var(--display); font-weight: 600; font-size: 16px; }
.footer__name .dim { color: var(--muted-2); }
.footer__tag { font-size: 13px; color: var(--muted-2); line-height: 1.6; }
.footer__cols { display: flex; gap: 60px; flex-wrap: wrap; }
.footer__head { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--muted-2); margin-bottom: 16px; }
.footer__links { display: flex; flex-direction: column; gap: 11px; }
.footer__links a { font-size: 14px; color: var(--muted); transition: color .15s; }
.footer__links a:hover { color: var(--ink); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1000px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__title { font-size: 54px; }
  .preview { grid-template-columns: 1fr; gap: 40px; }
  .experts { grid-template-columns: repeat(2, 1fr); }
  .sec-grid { grid-template-columns: repeat(2, 1fr); }
  .plans { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .nav__links { display: none; }
}

@media (max-width: 720px) {
  :root { --pad: 20px; }
  .section { padding-top: 68px; padding-bottom: 60px; }
  .hero { padding: 48px var(--pad) 24px; }
  .hero__title { font-size: 42px; }
  .h2, .security__title, .pricing__title, .how__title, .preview__title { font-size: 34px; }
  .cta__title { font-size: 40px; }
  .cta { padding: 56px 28px; }
  .how { padding: 44px 28px; }
  .cases { grid-template-columns: 1fr; }
  .experts { grid-template-columns: 1fr; }
  .sec-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 28px; }
  .sec-head { flex-direction: column; align-items: flex-start; }
  .nav__signin { display: none; }
}

@media (max-width: 420px) {
  .hero__title { font-size: 36px; }
  .cta__title { font-size: 32px; }
  .install__bar { padding: 12px; gap: 8px; }
}