/* ============================================================================
   Components & sections — single-page site (HighCohesion Tech brand)
   ========================================================================== */

/* ============================ BUTTONS ==================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: 1rem 1.7rem; font-size: var(--fs-body); font-weight: 600; line-height: 1;
  border: 1.5px solid transparent; border-radius: var(--r-md); cursor: pointer;
  white-space: nowrap; color: var(--ink); background: var(--card);
  transition: transform var(--dur-1) var(--ease), background-color var(--dur-2) var(--ease),
              border-color var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
}
.btn:active { transform: scale(.98); }
.btn .icon { width: 1.1em; height: 1.1em; transition: transform var(--dur-2) var(--ease); }
.btn--primary { background: var(--accent); color: var(--on-accent); box-shadow: var(--shadow-accent); }
.btn--ghost { background: var(--card); border-color: var(--line); color: var(--ink); }
.btn--sm { padding: .68rem 1.15rem; font-size: var(--fs-sm); border-radius: var(--r-sm); }
.btn--block { display: flex; width: 100%; }
@media (hover: hover) {
  .btn--primary:hover { background: var(--accent-deep); transform: translateY(-2px); box-shadow: 0 20px 40px color-mix(in srgb, var(--accent) 34%, transparent); }
  .btn--primary:hover .icon { transform: translateX(3px); }
  .btn--ghost:hover { border-color: var(--ink); }
}
.link-arrow { display: inline-flex; align-items: center; gap: .4rem; font-size: var(--fs-sm); font-weight: 600; color: var(--accent-deep); transition: gap var(--dur-2) var(--ease); }
.link-arrow .icon { width: 1em; height: 1em; }
@media (hover: hover) { .link-arrow:hover { gap: .65rem; } }

/* ============================ CHIPS ===================================== */
.chip {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .32rem .62rem; font-size: var(--fs-xs); font-weight: 600; line-height: 1;
  border-radius: var(--r-pill); color: var(--muted); background: var(--line);
}
.chip--accent { color: var(--accent-deep); background: var(--accent-soft); }
.chip--live { color: #fff; background: var(--accent); padding-left: .5rem; }
.chip__pulse { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
html.js:not(.rm) .chip__pulse { animation: hc-pulse 2s ease-in-out infinite; }

/* ============================ HEADER =================================== */
.site-header {
  position: sticky; top: 0; z-index: var(--z-header);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1.25rem; height: var(--header-h); }
.site-header__inner .brand { grid-column: 1; justify-self: start; }

.brand { display: inline-flex; align-items: center; gap: .7rem; flex: 0 0 auto; color: var(--ink); border-radius: var(--r-sm); }
.brand__mark {
  width: 38px; height: 38px; flex: none; display: grid; place-items: center;
  border: 2px solid currentColor; border-radius: 9px;
  font-weight: 700; font-size: 18px; letter-spacing: -.04em; line-height: 1;
}
.brand__word { font-size: 1.2rem; font-weight: 500; letter-spacing: -.02em; line-height: 1; }
.brand__word b { font-weight: 700; }

.nav { display: flex; align-items: center; gap: 1.9rem; grid-column: 2; }
.nav__link { position: relative; font-size: var(--fs-sm); font-weight: 500; color: var(--muted); transition: color var(--dur-2) var(--ease); }
.nav__link::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; border-radius: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform var(--dur-2) var(--ease); }
@media (hover: hover) { .nav__link:hover { color: var(--ink); } .nav__link:hover::after { transform: scaleX(.5); } }
.nav__link[aria-current="true"] { color: var(--ink); }
.nav__link[aria-current="true"]::after { transform: scaleX(1); }

.header__actions { display: flex; align-items: center; gap: .75rem; grid-column: 3; justify-self: end; }

/* ---- Language switcher ------------------------------------------------- */
.lang { position: relative; }
.lang__toggle {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .6rem .78rem; font-size: var(--fs-sm); font-weight: 600; color: var(--ink);
  background: transparent; border: 1px solid var(--line); border-radius: var(--r-sm);
  transition: border-color var(--dur-2) var(--ease), background-color var(--dur-2) var(--ease);
}
.lang__toggle .lang__globe { width: 15px; height: 15px; color: var(--muted); }
.lang__toggle .lang__chev { width: 12px; height: 12px; color: var(--muted); transition: transform var(--dur-3) var(--ease); }
.lang__toggle[aria-expanded="true"] .lang__chev { transform: rotate(180deg); }
@media (hover: hover) { .lang__toggle:hover { border-color: var(--accent); } }

.lang__menu {
  position: absolute; top: calc(100% + .5rem); right: 0; min-width: 12rem;
  padding: .4rem; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r-md); box-shadow: var(--shadow-md); z-index: var(--z-dropdown);
  transform-origin: top right; opacity: 0; transform: scale(.97) translateY(-4px); pointer-events: none;
  transition: opacity var(--dur-3) var(--ease), transform var(--dur-3) var(--ease);
}
.lang__menu[data-open="true"] { opacity: 1; transform: none; pointer-events: auto; }
.lang--up .lang__menu { top: auto; bottom: calc(100% + .5rem); transform-origin: bottom right; }
.lang__item {
  display: flex; width: 100%; align-items: center; gap: .7rem; padding: .6rem .7rem;
  font-size: var(--fs-sm); font-weight: 500; color: var(--ink); text-align: left;
  border-radius: var(--r-sm); transition: background-color var(--dur-2) var(--ease);
}
.lang__item:hover, .lang__item:focus-visible { background: var(--accent-soft); }
.lang__code { font-weight: 700; color: var(--muted); width: 26px; flex: none; }
.lang__item[aria-current="true"] .lang__code { color: var(--accent-deep); }
.lang__item[aria-current="true"] { color: var(--ink); }
.lang__check { width: 1rem; height: 1rem; margin-left: auto; color: var(--accent-deep); opacity: 0; }
.lang__item[aria-current="true"] .lang__check { opacity: 1; }

/* ---- Mobile nav ------------------------------------------------------- */
.nav-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--card); color: var(--ink); }
.nav-toggle .icon { width: 1.35rem; height: 1.35rem; }
.mobile-nav {
  position: fixed; inset: 0; z-index: var(--z-drawer);
  display: grid; grid-template-rows: var(--header-h) 1fr;
  background: color-mix(in srgb, var(--paper) 98%, transparent);
  -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
  opacity: 0; visibility: hidden; transition: opacity var(--dur-3) var(--ease), visibility var(--dur-3) var(--ease);
}
.mobile-nav[data-open="true"] { opacity: 1; visibility: visible; }
.mobile-nav__head { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.mobile-nav__body { display: flex; flex-direction: column; gap: .1rem; padding: var(--sp-5) 0 var(--sp-8); overflow-y: auto; }
.mobile-nav__link { display: flex; align-items: center; justify-content: space-between; padding: 1rem .25rem; font-size: 1.5rem; font-weight: 600; letter-spacing: -.02em; color: var(--ink); border-bottom: 1px solid var(--line); }
.mobile-nav__link .icon { width: 1.15rem; height: 1.15rem; color: var(--accent); }
.mobile-nav__footer { margin-top: auto; padding-top: var(--sp-6); display: flex; flex-direction: column; gap: 1rem; }

/* ============================ HERO ===================================== */
.hero { position: relative; padding-top: clamp(3.5rem, 2rem + 6vw, 8rem); padding-bottom: 0; text-align: center; overflow: clip; }
.hero__inner { position: relative; z-index: 1; }
.hero__blob { position: absolute; border-radius: 50%; filter: blur(54px); pointer-events: none; z-index: 0; }
.hero__blob--a { top: 2%; left: -3%; width: clamp(220px,30vw,360px); height: clamp(220px,30vw,360px); background: radial-gradient(circle, color-mix(in srgb, var(--accent) 30%, transparent), transparent 70%); }
.hero__blob--b { top: 14%; right: -4%; width: clamp(240px,32vw,400px); height: clamp(240px,32vw,400px); background: radial-gradient(circle, color-mix(in srgb, var(--warm-2) 28%, transparent), transparent 70%); }
html.js:not(.rm) .hero__blob--a { animation: hc-drift 18s ease-in-out infinite; }
html.js:not(.rm) .hero__blob--b { animation: hc-drift 23s ease-in-out infinite reverse; }

.hero__badge { display: inline-flex; align-items: center; gap: .55rem; padding: .5rem 1rem; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-pill); box-shadow: var(--shadow-xs); margin-bottom: clamp(1.5rem,3vw,2.1rem); }
.hero__badge .chip__pulse { background: var(--accent); }
.hero__badge span:last-child { font-size: var(--fs-xs); font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--accent-deep); }

.hero__title { font-size: var(--fs-display); font-weight: 800; line-height: 1.0; letter-spacing: -.04em; margin: 0 auto clamp(1.4rem,3vw,1.9rem); max-width: 18ch; }
.hero__title .accent-word { position: relative; display: inline-block; color: var(--accent); }
.hero__title .accent-word::after { content: ""; position: absolute; left: -1%; bottom: .04em; width: 102%; height: .12em; background: color-mix(in srgb, var(--accent) 30%, transparent); border-radius: 6px; transform: scaleX(0); transform-origin: left; z-index: -1; }
html.js:not(.rm) .hero__title .accent-word::after { animation: hc-wipe .85s 1s var(--ease) both; }
html.rm .hero__title .accent-word::after, html:not(.js) .hero__title .accent-word::after { transform: scaleX(1); }

.hero__sub { font-size: var(--fs-lead); line-height: var(--lh-relaxed); color: var(--muted); margin: 0 auto clamp(2rem,4vw,2.4rem); max-width: 44ch; }
.hero__actions { display: flex; gap: .8rem; justify-content: center; flex-wrap: wrap; }

/* keyword marquee */
.marquee { position: relative; width: calc(min(100%, var(--container-hero)) - 2 * var(--page-pad)); margin-inline: auto; margin-top: clamp(3rem,7vw,5.5rem); border-block: 1px solid var(--line); padding-block: 1.1rem; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent); mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent); }
.marquee__track { display: flex; width: max-content; white-space: nowrap; }
html.js:not(.rm) .marquee__track { animation: hc-marquee 30s linear infinite; }
.marquee__group { display: inline-flex; align-items: center; gap: 2.75rem; padding-right: 2.75rem; font-size: var(--fs-sm); font-weight: 600; color: var(--muted); }
.marquee__group .star { color: var(--accent); }

/* ============================ SECTION HEAD ============================== */
.section-head { margin-bottom: clamp(2.25rem,5vw,3.4rem); }
.section-head .eyebrow { margin-bottom: .9rem; }
.section-head h2 { max-width: 22ch; }
.section-head--row { display: flex; align-items: flex-end; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }

/* ============================ SERVICES ================================= */
.services__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(248px, 1fr)); gap: 1.4rem; }
.svc { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-xl); padding: clamp(1.5rem,2vw,1.9rem); transition: transform var(--dur-3) var(--ease), box-shadow var(--dur-3) var(--ease), border-color var(--dur-3) var(--ease); }
@media (hover: hover) { .svc:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); } }
.svc__icon { width: 52px; height: 52px; border-radius: 14px; background: var(--accent-soft); color: var(--accent-deep); display: grid; place-items: center; margin-bottom: 1.4rem; }
.svc__icon .icon { width: 1.6rem; height: 1.6rem; }
.svc__title { font-size: 1.28rem; font-weight: 600; letter-spacing: -.02em; margin-bottom: .6rem; }
.svc__desc { font-size: var(--fs-body); line-height: var(--lh-body); color: var(--muted); margin-bottom: 1.15rem; }
.svc__foot { margin-top: auto; }

/* ============================ PROCESS ================================== */
.process__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.25rem; }
.step__top { display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem; }
.step__num { flex: none; width: 34px; height: 34px; border-radius: 10px; background: var(--accent); color: #fff; font-weight: 700; font-size: .9rem; display: grid; place-items: center; }
.step__line { height: 2px; flex: 1; background: var(--line); border-radius: 2px; }
.step__title { font-size: 1.12rem; font-weight: 600; margin-bottom: .45rem; }
.step__desc { font-size: var(--fs-sm); line-height: var(--lh-body); color: var(--muted); }

/* ============================ WHY US ================================== */
.why__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: clamp(2rem,4vw,3.5rem); align-items: start; }
.why__lead { font-size: var(--fs-lead); line-height: var(--lh-relaxed); color: var(--muted); margin-top: 1.1rem; }
.values { display: flex; flex-direction: column; gap: 1rem; }
.value { display: flex; gap: 1.1rem; align-items: flex-start; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.5rem; }
.value__icon { flex: none; width: 44px; height: 44px; border-radius: 12px; background: var(--accent-soft); color: var(--accent-deep); display: grid; place-items: center; }
.value__icon .icon { width: 1.35rem; height: 1.35rem; }
.value__title { font-size: 1.12rem; font-weight: 600; margin-bottom: .35rem; }
.value__desc { font-size: var(--fs-sm); line-height: var(--lh-body); color: var(--muted); }

/* ============================ WORK =================================== */
.work__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.4rem; }
.case { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--r-xl); overflow: hidden; background: var(--paper); transition: transform var(--dur-3) var(--ease), box-shadow var(--dur-3) var(--ease); }
@media (hover: hover) { .case:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); } .case:hover .case__img img { transform: scale(1.04); } }
.case__img { position: relative; aspect-ratio: 37 / 30; overflow: hidden; background: var(--accent-soft); border-bottom: 1px solid var(--line); }
.case__img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-4) var(--ease); }
.case__body { padding: 1.4rem 1.5rem; }
.case__tags { display: flex; gap: .45rem; flex-wrap: wrap; margin-bottom: .7rem; }
.case__title { font-size: 1.2rem; font-weight: 600; letter-spacing: -.02em; margin-bottom: .4rem; }
.case__desc { font-size: var(--fs-sm); line-height: var(--lh-body); color: var(--muted); }

/* ============================ TEAM ================================== */
.team__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.4rem; }
.member { text-align: center; }
.member__photo { width: 128px; height: 128px; margin: 0 auto 1rem; border-radius: 50%; overflow: hidden; background: var(--accent-soft); box-shadow: var(--shadow-xs); }
.member__photo img { width: 100%; height: 100%; object-fit: cover; }
.member__name { font-size: 1.12rem; font-weight: 600; margin-bottom: .2rem; }
.member__role { font-size: var(--fs-sm); color: var(--muted); }

/* ============================ TESTIMONIALS ========================== */
.testi__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.4rem; }
.quote { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-xl); padding: clamp(1.6rem,2.5vw,2rem); }
.section--card .quote { background: var(--paper); }
.quote__mark { font-size: 2.6rem; line-height: 1; font-weight: 800; color: var(--accent); margin-bottom: .6rem; }
.quote__text { font-size: 1.14rem; line-height: var(--lh-relaxed); font-weight: 500; color: var(--ink); margin-bottom: 1.4rem; text-wrap: pretty; }
.quote__author { display: flex; align-items: center; gap: .8rem; }
.quote__avatar { width: 44px; height: 44px; border-radius: 50%; overflow: hidden; flex: none; background: var(--accent-soft); display: grid; place-items: center; color: var(--accent-deep); font-weight: 700; }
.quote__name { font-size: var(--fs-sm); font-weight: 600; }
.quote__meta { font-size: var(--fs-xs); color: var(--muted); }

/* ============================ CTA BAND ============================== */
.cta { position: relative; overflow: hidden; background: var(--accent); }
.cta__dots { position: absolute; inset: 0; opacity: .16; background-image: radial-gradient(rgba(255,255,255,.65) 1px, transparent 1px); background-size: 26px 26px; pointer-events: none; }
.cta__inner { position: relative; max-width: 720px; margin: 0 auto; text-align: center; }
.cta h2 { color: #fff; font-weight: 800; font-size: clamp(1.9rem, 1.3rem + 2.6vw, 3rem); letter-spacing: -.03em; margin-bottom: 1rem; max-width: 16ch; margin-inline: auto; }
.cta p { color: rgba(255,255,255,.9); font-size: var(--fs-lead); margin: 0 auto 2.1rem; max-width: 40ch; }
.cta__btn { display: inline-block; font-size: var(--fs-body); font-weight: 600; color: var(--accent-deep); background: #fff; padding: 1.1rem 2.1rem; border-radius: var(--r-md); box-shadow: 0 16px 40px rgba(35,38,45,.18); transition: transform var(--dur-2) var(--ease); }
@media (hover: hover) { .cta__btn:hover { transform: translateY(-2px); } }

/* ============================ FOOTER =============================== */
.site-footer { background: var(--graphite); color: var(--on-dark); }
.site-footer .brand { color: var(--on-dark); }
.footer__grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 2.5rem; padding-top: clamp(3rem,5vw,4.5rem); }
.footer__brand { max-width: 30ch; }
.footer__tagline { font-size: var(--fs-sm); line-height: var(--lh-body); color: var(--on-dark-muted); margin-top: 1rem; }
.footer__col h4 { font-size: var(--fs-xs); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: #7E7A72; margin-bottom: 1rem; }
.footer__col ul { display: flex; flex-direction: column; gap: .7rem; }
.footer__link { font-size: var(--fs-sm); color: #C8C4BC; transition: color var(--dur-2) var(--ease); }
.footer__link:hover { color: #fff; }
.footer__langs { display: flex; flex-wrap: wrap; gap: .5rem; }
.footer__lang { font-size: var(--fs-xs); font-weight: 600; color: #C8C4BC; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--r-xs); padding: .5rem .7rem; transition: color var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease); }
.footer__lang[aria-current="true"], .footer__lang:hover { color: #fff; border-color: var(--accent); }
.footer__bottom { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 2.5rem; padding: 1.5rem 0 2.25rem; border-top: 1px solid rgba(255,255,255,.1); font-size: var(--fs-xs); color: #7E7A72; }
.footer__legal { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.footer__legal a { color: #7E7A72; transition: color var(--dur-2) var(--ease); }
.footer__legal a:hover { color: #C8C4BC; }
.social-row { display: flex; gap: .5rem; margin-top: 1.3rem; }
.social { width: 40px; height: 40px; display: grid; place-items: center; color: #C8C4BC; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--r-sm); transition: color var(--dur-2) var(--ease), background-color var(--dur-2) var(--ease), transform var(--dur-2) var(--ease); }
.social .icon { width: 1.15rem; height: 1.15rem; }
@media (hover: hover) { .social:hover { color: #fff; background: rgba(255,255,255,.1); transform: translateY(-2px); } }

/* ============================ MOTION =============================== */
html.js:not(.rm) [data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity var(--dur-4) var(--ease), transform var(--dur-4) var(--ease); }
html.js:not(.rm) [data-reveal].is-in { opacity: 1; transform: none; }
html.js:not(.rm) [data-reveal-stagger] > * { opacity: 0; transform: translateY(14px); transition: opacity var(--dur-4) var(--ease), transform var(--dur-4) var(--ease); }
html.js:not(.rm) [data-reveal-stagger].is-in > * { opacity: 1; transform: none; }
html.js:not(.rm) [data-reveal-stagger].is-in > *:nth-child(2) { transition-delay: 70ms; }
html.js:not(.rm) [data-reveal-stagger].is-in > *:nth-child(3) { transition-delay: 140ms; }
html.js:not(.rm) [data-reveal-stagger].is-in > *:nth-child(4) { transition-delay: 210ms; }
html.js:not(.rm) [data-reveal-stagger].is-in > *:nth-child(5) { transition-delay: 280ms; }
html.js:not(.rm) [data-reveal-stagger].is-in > *:nth-child(6) { transition-delay: 350ms; }

html.js:not(.rm) .hero__badge, html.js:not(.rm) .hero__title, html.js:not(.rm) .hero__sub, html.js:not(.rm) .hero__actions { opacity: 0; transform: translateY(16px); animation: hc-rise var(--dur-5) var(--ease) forwards; }
html.js:not(.rm) .hero__title { animation-delay: .08s; }
html.js:not(.rm) .hero__sub { animation-delay: .16s; }
html.js:not(.rm) .hero__actions { animation-delay: .24s; }

@keyframes hc-rise { to { opacity: 1; transform: none; } }
@keyframes hc-pulse { 0%,100% { opacity: .55; } 50% { opacity: 1; } }
@keyframes hc-wipe { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes hc-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes hc-drift { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(26px,-20px) scale(1.1); } }

@media (prefers-reduced-motion: reduce) {
  .marquee__track { flex-wrap: wrap; white-space: normal; justify-content: center; }
}

/* ============================ RESPONSIVE ========================== */
@media (max-width: 900px) {
  .nav { display: none; }
  .header__actions .lang, .header__actions .btn--primary { display: none; }
  .nav-toggle { display: inline-flex; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .hero__actions .btn { flex: 1 1 auto; }
  .why__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .section-head--row { align-items: flex-start; }
}
@media (max-width: 420px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .team__grid { grid-template-columns: 1fr 1fr; }
}