/* ============================================================
   yosoft.kg — design system (palette 2b: tech navy / blue)
   ============================================================ */

:root {
  /* Palette */
  --ink:        #102A43;
  --ink-2:      #243B53;
  --ink-3:      #334E68;
  --slate:      #486581;
  --slate-2:    #5B7186;
  --muted:      #829AB1;
  --line:       #DCE6EF;
  --line-2:     #D3DFEA;
  --surface:    #FBFCFD;
  --surface-2:  #F7FAFC;
  --surface-3:  #EEF3F8;
  --chip:       #E4ECF3;
  --white:      #FFFFFF;
  --dark:       #102A43;
  --dark-2:     #0C2136;
  --dark-card:  #1B3A57;
  --dark-line:  #2C4A66;
  --dark-line-2:#1F4363;
  --dark-text:  #BCCCDC;
  --dark-muted: #829AB1;
  --danger:     #C0392B;
  --success:    #1F9D55;
  --success-bg: #E7F6EE;

  --font-display: 'Unbounded', system-ui, sans-serif;
  --font-body:    'Manrope', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --maxw: 1180px;
  --pad: 32px;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--surface);
  font-family: var(--font-body);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: var(--ink); }
a:hover { color: var(--ink-3); }

input, textarea, button { font-family: var(--font-body); }

img, svg { max-width: 100%; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* Animations */
@keyframes yoFade { from { opacity: 0 } to { opacity: 1 } }
@keyframes yoScale { from { opacity: 0; transform: translateY(12px) scale(.97) } to { opacity: 1; transform: none } }
@keyframes yoSlideUp { from { opacity: 0; transform: translateY(24px) } to { opacity: 1; transform: none } }
@keyframes yoSlideDown { from { opacity: 0; transform: translateY(-16px) } to { opacity: 1; transform: none } }

/* ============================ Header ============================ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 20px 0;
  background: var(--surface);
  transition: padding .22s ease, box-shadow .22s ease, background .22s ease;
}
.header.is-scrolled {
  padding: 12px 0;
  box-shadow: 0 8px 28px -16px rgba(16,42,67,.4);
  background: rgba(251,252,253,.82);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -.03em;
  color: var(--ink);
}
.nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 15px;
  font-weight: 500;
  color: var(--slate);
}
.nav a { color: var(--slate); }
.nav a:hover { color: var(--ink); }
.header__actions { display: flex; align-items: center; gap: 12px; }

/* Language switcher */
.lang { position: relative; }
.lang__btn {
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--surface-3);
  border: 1px solid var(--line-2);
  color: var(--ink-2);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  padding: 9px 12px;
  border-radius: 10px;
  cursor: pointer;
}
.lang__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ink); }
.lang__menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 172px;
  background: var(--white);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  box-shadow: 0 16px 40px -12px rgba(16,42,67,.2);
  padding: 6px;
  z-index: 20;
  animation: yoSlideDown .16s ease;
}
.lang__menu[hidden] { display: none; }
.lang__opt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  padding: 9px 10px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--ink-2);
}
.lang__opt:hover { background: var(--surface-3); }
.lang__opt-left { display: flex; align-items: center; gap: 9px; }
.lang__opt-code {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12px;
  color: var(--ink);
  width: 24px;
}
.lang__check { opacity: 0; }
.lang__opt.is-active .lang__check { opacity: 1; }

/* Buttons */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  border: none;
  cursor: pointer;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform .1s ease, opacity .15s ease;
  text-align: center;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { color: #fff; opacity: .92; }
.btn--light { background: #fff; color: var(--ink); border: 1px solid var(--line-2); }
.btn--light:hover { color: var(--ink); }
.btn--on-dark { background: #fff; color: var(--ink); }
.btn--sm { font-size: 14px; padding: 11px 18px; border-radius: 10px; }
.btn--md { font-size: 15px; padding: 13px 24px; }
.btn--lg { font-size: 15px; padding: 14px 26px; }
.btn--block { width: 100%; }

.header__burger {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--surface-3);
  border: 1px solid var(--line-2);
  cursor: pointer;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.header__burger span { width: 16px; height: 2px; background: var(--ink-2); border-radius: 2px; }

/* ============================ Hero ============================ */
.hero {
  padding: 60px 0 64px;
  background: radial-gradient(120% 90% at 85% 0%, #EAF1F7 0%, var(--surface) 55%);
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--ink-3);
  background: var(--chip);
  border: 1px solid var(--line-2);
  padding: 6px 12px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 48px;
  line-height: 1.06;
  letter-spacing: -.035em;
  margin: 0 0 20px;
  color: var(--ink);
}
.hero__title .hl { color: var(--slate); }
.hero__sub {
  font-size: 17px;
  line-height: 1.6;
  color: var(--slate-2);
  margin: 0 0 30px;
  max-width: 480px;
}
.hero__actions { display: flex; gap: 12px; margin-bottom: 34px; flex-wrap: wrap; }
.hero__stats { display: flex; gap: 36px; flex-wrap: wrap; }
.stat__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -.03em;
  color: var(--ink);
}
.stat__label { font-size: 13px; color: var(--muted); }

/* Hero code card */
.codecard {
  background: var(--dark);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 30px 60px -20px rgba(16,42,67,.5);
}
.codecard__dots { display: flex; gap: 6px; padding: 6px 6px 12px; }
.codecard__dots span { width: 11px; height: 11px; border-radius: 50%; }
.codecard__dots span:nth-child(1) { background: var(--slate); }
.codecard__dots span:nth-child(2) { background: var(--muted); }
.codecard__dots span:nth-child(3) { background: var(--dark-text); }
.codecard__body {
  background: var(--dark-2);
  border-radius: 11px;
  padding: 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--dark-text);
  overflow-x: auto;
}
.codecard__body .k { color: #8FB4CE; }
.codecard__body .s { color: #8FB4CE; }
.codecard__body .p { color: #B3C7D9; }
.codecard__body .n { color: #E3B778; }
.codecard__body .c { color: #5B7186; }
.codecard__body .ind { padding-left: 18px; }
.codecard__metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 12px; }
.codecard__metric { background: var(--dark-2); border-radius: 11px; padding: 14px; }
.codecard__metric-label { font-size: 11px; color: var(--muted); margin-bottom: 6px; }
.codecard__bar { height: 6px; background: #1b3a57; border-radius: 4px; overflow: hidden; }
.codecard__bar > i { display: block; width: 78%; height: 100%; background: linear-gradient(90deg, var(--ink-3), var(--dark-text)); }
.codecard__metric-val { font-family: var(--font-display); color: var(--dark-text); font-weight: 700; font-size: 18px; }

/* ============================ Section shared ============================ */
.section { padding: 56px 0; }
.section--bordered { border-top: 1px solid var(--line); }
.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
  letter-spacing: .06em;
  margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 30px;
  letter-spacing: -.03em;
  margin: 0 0 32px;
  color: var(--ink);
}

/* Services */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--surface-2);
}
.card__icon {
  width: 42px; height: 42px;
  border-radius: 11px;
  background: var(--chip);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.card__title { font-size: 17px; font-weight: 700; margin: 0 0 8px; color: var(--ink); }
.card__text { font-size: 14px; line-height: 1.55; color: var(--slate-2); margin: 0; }

/* Stack (dark) */
.section--dark { background: var(--dark); color: #fff; }
.section--dark .section-label { color: #9FB3C8; }
.section--dark .section-title { color: #fff; }
.stack__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stack__cat { font-size: 13px; font-family: var(--font-mono); color: var(--muted); margin-bottom: 14px; }
.stack__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  background: var(--dark-card);
  border: 1px solid var(--dark-line);
  color: #D9E3EC;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 13px;
  border-radius: 9px;
}

/* Process */
.process__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.step { padding-top: 16px; border-top: 2px solid var(--ink); }
.step:nth-child(2) { border-top-color: rgba(16,42,67,.72); }
.step:nth-child(3) { border-top-color: rgba(16,42,67,.54); }
.step:nth-child(4) { border-top-color: rgba(16,42,67,.4); }
.step:nth-child(5) { border-top-color: rgba(16,42,67,.28); }
.step__num { font-family: var(--font-display); color: #A9BAC9; font-weight: 700; font-size: 15px; margin-bottom: 8px; }
.step__title { font-size: 15px; font-weight: 700; margin: 0 0 6px; color: var(--ink); }
.step__text { font-size: 13px; line-height: 1.5; color: var(--slate-2); margin: 0; }

/* CTA band */
.cta-band { padding: 0 0 56px; }
.cta-band__inner {
  background: linear-gradient(135deg, var(--ink), var(--ink-3));
  border-radius: 18px;
  padding: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band__title { font-family: var(--font-display); font-weight: 700; font-size: 28px; letter-spacing: -.03em; color: #fff; margin: 0 0 8px; }
.cta-band__sub { color: var(--dark-text); font-size: 16px; margin: 0; }
.cta-band__right { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.cta-band__email { font-family: var(--font-mono); color: var(--dark-text); font-size: 15px; }

/* ============================ Footer ============================ */
.footer { background: var(--dark); color: var(--dark-text); padding: 56px 0 28px; }
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--dark-line-2);
}
.footer__brand-name { font-family: var(--font-display); font-weight: 700; font-size: 19px; letter-spacing: -.03em; color: #fff; }
.footer__tagline { font-size: 14px; line-height: 1.6; color: var(--muted); margin: 0 0 22px; max-width: 280px; }
.socials { display: flex; gap: 10px; }
.social {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--dark-card);
  border: 1px solid var(--dark-line);
  display: flex; align-items: center; justify-content: center;
}
.social:hover { background: var(--ink-2); }
.footer__col-title { font-size: 13px; font-weight: 700; color: #fff; letter-spacing: .02em; margin-bottom: 16px; }
.footer__links { display: flex; flex-direction: column; gap: 11px; font-size: 14px; }
.footer__links a { color: var(--muted); }
.footer__links a:hover { color: #fff; }
.footer__contacts { display: flex; flex-direction: column; gap: 12px; font-size: 14px; color: var(--muted); }
.footer__contacts a { color: var(--dark-text); font-family: var(--font-mono); font-size: 13px; }
.footer__contacts a:hover { color: #fff; }
.footer__link-btn { align-self: flex-start; background: none; border: none; padding: 0; cursor: pointer; color: #fff; font-weight: 600; font-size: 14px; }
.footer__link-btn:hover { color: var(--dark-text); }
.footer__bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 22px; flex-wrap: wrap; gap: 16px;
}
.footer__copyright { font-size: 13px; color: var(--slate-2); }
.footer__legal { display: flex; align-items: center; gap: 24px; font-size: 13px; flex-wrap: wrap; }
.footer__legal a { color: var(--muted); }
.footer__legal a:hover { color: #fff; }
.footer__status { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-family: var(--font-mono); }
.footer__status i { width: 6px; height: 6px; border-radius: 50%; background: #3FB98F; }

/* ============================ Overlay menu ============================ */
.overlay {
  position: fixed; inset: 0; z-index: 100;
  background: var(--dark); color: #fff;
  animation: yoFade .2s ease;
  display: flex; flex-direction: column;
}
.overlay[hidden] { display: none; }
.overlay__top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px var(--pad); border-bottom: 1px solid var(--dark-line-2);
}
.overlay__close {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--dark-card); border: 1px solid var(--dark-line);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.overlay__nav { flex: 1; padding: var(--pad); display: flex; flex-direction: column; gap: 4px; }
.overlay__nav a {
  font-family: var(--font-display);
  font-weight: 600; font-size: 28px; letter-spacing: -.03em;
  color: #fff; padding: 14px 0; border-bottom: 1px solid var(--dark-line-2);
}
.overlay__nav a:hover { color: var(--dark-text); }
.overlay__foot {
  padding: var(--pad);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  border-top: 1px solid var(--dark-line-2);
}
.overlay__langs { display: flex; gap: 8px; }
.lang-chip {
  font-family: var(--font-mono); font-weight: 600; font-size: 13px;
  padding: 8px 14px; border-radius: 9px; cursor: pointer;
  background: var(--dark-card); border: 1px solid var(--dark-line); color: var(--dark-text);
}
.lang-chip.is-active { background: #fff; border-color: #fff; color: var(--ink); }

/* ============================ Modal ============================ */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 110;
  background: rgba(16,42,67,.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px; animation: yoFade .18s ease;
}
.modal-backdrop[hidden] { display: none; }
.modal {
  background: #fff; border-radius: 18px;
  width: 100%; max-width: 480px;
  box-shadow: 0 40px 80px -20px rgba(16,42,67,.5);
  animation: yoScale .22s ease;
  overflow: hidden;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}
.modal__pad { padding: 32px; }
.modal__head { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 6px; gap: 12px; }
.modal__title { font-family: var(--font-display); font-weight: 700; font-size: 22px; letter-spacing: -.03em; color: var(--ink); margin: 0; }
.modal__close {
  width: 34px; height: 34px; border-radius: 9px;
  background: #F1F5F9; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center; flex: none;
}
.modal__sub { font-size: 14px; color: var(--slate-2); margin: 0 0 22px; line-height: 1.5; }
.form { display: flex; flex-direction: column; gap: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 7px; }
.field .req { color: var(--danger); }
.field input, .field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 15px;
  color: var(--ink);
  outline: none;
  background: #fff;
}
.field textarea { resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--ink); }
.field.has-error input, .field.has-error textarea { border-color: var(--danger); }
.field__error { font-size: 12.5px; color: var(--danger); margin-top: 6px; display: none; }
.field.has-error .field__error { display: block; }
.form__consent { font-size: 12px; color: var(--muted); text-align: center; margin: 0; line-height: 1.5; }
.form__error {
  font-size: 13px; color: var(--danger); text-align: center; margin: 0;
  background: #FDECEA; border: 1px solid #F5C6C0; border-radius: 10px; padding: 10px 12px;
  display: none;
}
.form__error.is-visible { display: block; }
/* honeypot */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.modal__success { padding: 44px 32px; text-align: center; }
.modal__success[hidden] { display: none; }
.form-wrap[hidden] { display: none; }
.success-icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--success-bg);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
}

/* ============================ Cookie banner ============================ */
.cookie {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  padding: 0 20px 20px; animation: yoSlideUp .3s ease;
  pointer-events: none;
}
.cookie[hidden] { display: none; }
.cookie__inner {
  max-width: var(--maxw); margin: 0 auto;
  background: var(--dark); color: var(--dark-text);
  border-radius: 14px; padding: 18px 22px;
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  box-shadow: 0 20px 50px -18px rgba(16,42,67,.6);
  pointer-events: auto;
}
.cookie__text { flex: 1; min-width: 260px; font-size: 13.5px; line-height: 1.5; }
.cookie__actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cookie__btn-ghost {
  background: none; border: 1px solid var(--dark-line); color: var(--dark-text);
  font-weight: 600; font-size: 14px; padding: 10px 18px; border-radius: 10px; cursor: pointer;
}
.cookie__btn-accept {
  background: #fff; color: var(--ink); font-weight: 700; font-size: 14px;
  padding: 10px 20px; border-radius: 10px; border: none; cursor: pointer;
}

/* ============================ Simple pages (404 / thanks) ============================ */
.simple {
  min-height: 100vh;
  background: radial-gradient(120% 80% at 50% 0%, #EAF1F7 0%, var(--surface) 55%);
  display: flex; flex-direction: column;
}
.simple__header { padding: 24px 0; }
.simple__main { flex: 1; display: flex; align-items: center; justify-content: center; padding: 40px var(--pad); }
.simple__box { text-align: center; max-width: 520px; }
.simple__footer { padding: 24px 0; }
.simple__footer .container { font-size: 13px; color: var(--muted); }
.big404 {
  font-family: var(--font-display);
  font-weight: 800; font-size: 132px; line-height: 1; letter-spacing: -.05em;
  background: linear-gradient(135deg, var(--ink), var(--slate));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; color: var(--ink-3);
  background: var(--chip); border: 1px solid var(--line-2);
  padding: 6px 12px; border-radius: 100px; margin-bottom: 22px;
}
.simple__title { font-family: var(--font-display); font-weight: 700; font-size: 30px; letter-spacing: -.03em; margin: 0 0 12px; color: var(--ink); }
.simple__text { font-size: 16px; line-height: 1.6; color: var(--slate-2); margin: 0 0 30px; }
.simple__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.success-badge {
  width: 88px; height: 88px; border-radius: 50%;
  background: var(--success-bg);
  display: flex; align-items: center; justify-content: center; margin: 0 auto 26px;
}

/* ============================ Legal / article ============================ */
.article { max-width: 820px; }
.article__back {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 13px; color: var(--slate);
  margin-bottom: 22px;
}
.article__back:hover { color: var(--ink); }
.article__title {
  font-family: var(--font-display); font-weight: 700;
  font-size: 34px; letter-spacing: -.035em; color: var(--ink);
  margin: 0 0 10px;
}
.article__meta {
  font-family: var(--font-mono); font-size: 13px; color: var(--muted);
  margin: 0 0 32px; padding-bottom: 24px; border-bottom: 1px solid var(--line);
}
.article__body { font-size: 15.5px; line-height: 1.7; color: var(--ink-2); }
.article__body h2 {
  font-family: var(--font-display); font-weight: 600;
  font-size: 20px; letter-spacing: -.02em; color: var(--ink);
  margin: 34px 0 12px;
}
.article__body h2:first-of-type { margin-top: 0; }
.article__body p { margin: 0 0 14px; }
.article__body ul { margin: 0 0 14px; padding-left: 22px; }
.article__body li { margin-bottom: 8px; }
.article__body a { color: var(--slate); text-decoration: underline; }
.article__body a:hover { color: var(--ink); }
.article__body strong { color: var(--ink); font-weight: 700; }

@media (max-width: 560px) {
  .article__title { font-size: 26px; }
}

/* ============================ Responsive ============================ */
@media (max-width: 980px) {
  .nav { display: none; }
  .header__discuss { display: none; }
  .header__burger { display: flex; }
  .hero__grid { grid-template-columns: 1fr; gap: 32px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stack__grid { grid-template-columns: repeat(2, 1fr); }
  .process__grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-band__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  :root { --pad: 20px; }
  .hero { padding: 32px 0 40px; }
  .hero__title { font-size: 34px; }
  .hero__stats { gap: 24px; }
  .section { padding: 40px 0; }
  .section-title { font-size: 24px; }
  .grid-4 { grid-template-columns: 1fr; }
  .stack__grid { grid-template-columns: 1fr; }
  .process__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .cta-band__inner { padding: 28px; }
  .cta-band__title { font-size: 22px; }
  .big404 { font-size: 92px; }
  .modal__pad { padding: 24px; }
}