/* =====================================================================
   US WEB EXPERTS — Design System & Global Styles  (cinematic dark, v3)
   Tokens · Reset · Typography · Buttons · Header · Footer · Shared UI
   ===================================================================== */

:root {
  /* Brand */
  --purple: #3D6BFF;
  --purple-2: #8FA8FF;
  --purple-dark: #1F46E0;
  --purple-soft: rgba(61, 107, 255, .14);
  --purple-tint: rgba(61, 107, 255, .07);
  --lime: #FF4655;
  --lime-soft: rgba(255, 70, 85, .14);
  --ink: #0A0A0A;               /* dark text on lime / white chips */

  /* Surfaces */
  --bg: #0A0A0A;
  --bg-soft: #0E0E0F;
  --surface: #131314;
  --surface-2: #19191B;
  --line: rgba(255, 255, 255, .08);
  --line-2: rgba(255, 255, 255, .14);
  --text: #FFFFFF;
  --muted: #9A9AA3;
  --muted-2: #5E5E66;

  /* Type */
  --font-display: 'Jost', 'Futura', system-ui, sans-serif;
  --font-body: 'Jost', 'Futura', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Layout */
  --container: 1280px;
  --gutter: clamp(16px, 4vw, 48px);
  --radius: 20px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --header-h: 76px;

  /* Effects */
  --shadow: 0 20px 60px -20px rgba(0, 0, 0, .8);
  --shadow-lg: 0 40px 100px -30px rgba(61, 107, 255, .35);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --grad-text: linear-gradient(90deg, #6B8CFF 0%, #B3C4FF 45%, #FF4655 100%);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: auto; -webkit-text-size-adjust: 100%; overflow-x: clip; background: var(--bg); }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-body); font-size: 17px; font-weight: 400; line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden; }
img, svg, video, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
::selection { background: var(--lime); color: var(--ink); }
:focus-visible { outline: 2px solid var(--purple-2); outline-offset: 4px; border-radius: 4px; }
::-webkit-scrollbar { width: 10px; } ::-webkit-scrollbar-track { background: #0a0a0a; } ::-webkit-scrollbar-thumb { background: #2a2a2e; border-radius: 10px; }

/* ---------- Background mesh (inner page heroes) ---------- */
.mesh { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.mesh::before, .mesh::after { content: ""; position: absolute; border-radius: 50%; filter: blur(110px); }
.mesh::before { width: 60vw; height: 60vw; max-width: 760px; max-height: 760px; right: -18vw; top: -26vw; background: radial-gradient(circle, rgba(61,107,255,.38), rgba(61,107,255,0) 65%); animation: drift 22s ease-in-out infinite alternate; }
.mesh::after { width: 36vw; height: 36vw; max-width: 460px; max-height: 460px; left: -12vw; bottom: -14vw; background: radial-gradient(circle, rgba(255,70,85,.16), rgba(255,70,85,0) 65%); animation: drift 26s ease-in-out infinite alternate-reverse; }
@keyframes drift { to { transform: translate3d(4%, 6%, 0) scale(1.08); } }

/* ---------- Typography ---------- */
.display, h1, h2, h3 { font-family: var(--font-display); font-weight: 500; letter-spacing: -0.015em; line-height: 1.08; }
.h-xl { font-size: clamp(40px, 6.2vw, 92px); line-height: 1; font-weight: 400; letter-spacing: -0.02em; }
.h-lg { font-size: clamp(32px, 4.2vw, 60px); }
.h-md { font-size: clamp(26px, 3vw, 42px); }
.h-sm { font-size: clamp(21px, 1.9vw, 27px); }
.lead { font-size: clamp(16.5px, 1.3vw, 19px); color: var(--muted); line-height: 1.65; font-weight: 300; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--lime); font-size: 11.5px; font-weight: 600; letter-spacing: .28em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--lime); }
.section-head.center .eyebrow::before { display: none; }
.grad-text { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-text .word > span { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.mark { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.mark .word > span { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.serif-i { font-family: 'Cormorant Garamond', Georgia, serif; font-style: italic; font-weight: 500; letter-spacing: 0; }
.purple { color: var(--purple-2); }
.muted { color: var(--muted); }

/* ---------- Layout ---------- */
.container { width: min(var(--container), 100% - var(--gutter) * 2); margin-inline: auto; }
.section { padding-block: clamp(72px, 9vw, 130px); position: relative; }
.section.soft { background: var(--bg-soft); }
.section-head { display: grid; gap: 18px; max-width: 820px; margin-bottom: clamp(36px, 5vw, 60px); justify-items: start; }
.section-head.center { text-align: center; margin-inline: auto; justify-items: center; }
.section-head.center::after { content: ""; width: 44px; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--purple), var(--lime)); }
.section-head.split { max-width: none; grid-template-columns: 1fr auto; align-items: end; }
.section-head.split > div { display: grid; gap: 18px; justify-items: start; max-width: 820px; }
@media (max-width: 800px) { .section-head.split { grid-template-columns: 1fr; } }
.divider { height: 1px; background: var(--line); }

/* ---------- Buttons ---------- */
.btn { --bg: var(--purple); --fg: #fff; position: relative; display: inline-flex; align-items: center; gap: 10px; isolation: isolate; padding: 15px 26px; border-radius: 999px; font-weight: 500; font-size: 15px; letter-spacing: .01em; color: var(--fg); background: var(--bg); overflow: hidden; white-space: nowrap; transition: transform .45s var(--ease-spring), box-shadow .35s var(--ease-out), background .3s, color .3s; will-change: transform; }
.btn .btn-fill { position: absolute; inset: 0; z-index: -1; border-radius: inherit; background: var(--lime); transform: translateY(101%); transition: transform .5s var(--ease-out); }
.btn:hover { transform: translateY(-2px); color: var(--ink); box-shadow: 0 18px 50px -18px rgba(255,70,85,.5); }
.btn:hover .btn-fill { transform: translateY(0); }
.btn .arrow { width: 17px; height: 17px; transition: transform .45s var(--ease-out); }
.btn:hover .arrow { transform: translate(3px, -3px); }
.btn-ghost { --bg: rgba(255,255,255,.04); --fg: #fff; box-shadow: inset 0 0 0 1px var(--line-2); }
.btn-ghost .btn-fill { background: #fff; }
.btn-ghost:hover { box-shadow: none; }
.btn-dark { --bg: #1b1b1e; --fg: #fff; box-shadow: inset 0 0 0 1px var(--line-2); }
.btn-lime { --bg: var(--lime); --fg: var(--ink); }
.btn-lime .btn-fill { background: #fff; }
.btn-white { --bg: #fff; --fg: var(--ink); }
.btn-white .btn-fill { background: var(--lime); }
.btn-sm { padding: 10px 18px; font-size: 13.5px; }
.btn-xl { padding: 19px 36px; font-size: 16.5px; }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 500; color: var(--lime); font-size: 14.5px; }
.link-arrow svg { width: 17px; transition: transform .4s var(--ease-out); }
.link-arrow:hover svg { transform: translateX(5px); }

/* ---------- Preloader ---------- */
.preloader { position: fixed; inset: 0; z-index: 99999; background: var(--bg); display: grid; place-items: center; overflow: hidden; }
.preloader-inner { display: grid; gap: 22px; justify-items: center; }
.preloader-logo { width: 78px; opacity: 0; transform: scale(.7); }
.preloader-bar { width: 150px; height: 2px; background: var(--line); border-radius: 3px; overflow: hidden; }
.preloader-bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--purple), var(--lime)); }
.preloader-count, .preloader-word, .preloader .curtain { display: none; }

/* ---------- Header: floating centered pill ---------- */
.site-header { position: fixed; top: 14px; left: 0; right: 0; z-index: 1000; display: flex; justify-content: center; pointer-events: none; transition: transform .6s var(--ease-out); }
.site-header .container { pointer-events: auto; width: auto; margin: 0; display: flex; align-items: center; gap: 22px; padding: 7px 8px 7px 20px; border-radius: 999px; background: rgba(18,18,19,.72); border: 1px solid var(--line); backdrop-filter: blur(18px) saturate(1.3); -webkit-backdrop-filter: blur(18px) saturate(1.3); box-shadow: 0 20px 50px -24px rgba(0,0,0,.9); }
.site-header.hidden { transform: translateY(-140%); }
.brand { display: inline-flex; align-items: center; gap: 10px; position: relative; z-index: 1001; }
.brand img { height: 26px; width: auto; }
.brand .brand-word { font: 600 14px/1 var(--font-display); letter-spacing: .22em; color: #fff; }
.site-header .brand .brand-word { display: none; }
.nav { display: flex; align-items: center; gap: 2px; }
.nav a { position: relative; padding: 8px 13px; font-size: 13.5px; font-weight: 400; color: var(--muted); border-radius: 999px; transition: color .3s, background .3s; }
.nav a:hover { color: #fff; }
.nav a.active { color: #fff; }
.nav a.active::after { content: ""; position: absolute; left: 50%; bottom: 2px; width: 4px; height: 4px; border-radius: 50%; background: var(--lime); transform: translateX(-50%); }
.header-cta { display: flex; align-items: center; gap: 10px; position: relative; z-index: 1001; }
.burger { display: none; position: relative; width: 42px; height: 42px; border-radius: 50%; background: #fff; flex-shrink: 0; }
.burger span { position: absolute; left: 50%; top: 50%; width: 16px; height: 1.6px; margin: -0.8px 0 0 -8px; background: #0a0a0a; border-radius: 2px; transition: transform .4s var(--ease-out), opacity .25s; }
.burger span:nth-child(1) { transform: translateY(-5px); }
.burger span:nth-child(3) { transform: translateY(5px); }
.burger.open span:nth-child(1) { transform: rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger.open span:nth-child(3) { transform: rotate(-45deg); }
@media (max-width: 1024px) {
  .site-header { top: 10px; padding-inline: 12px; }
  .site-header .container { width: 100%; justify-content: space-between; padding: 6px 6px 6px 16px; }
  .site-header .brand .brand-word { display: inline; }
  .nav, .header-cta .btn { display: none; }
  .burger { display: block; }
}

/* Fullscreen menu */
.menu { position: fixed; inset: 0; z-index: 990; background: radial-gradient(70% 50% at 100% 0%, rgba(61,107,255,.18), transparent 60%), #0c0c0d; clip-path: circle(0% at calc(100% - 44px) 40px); transition: clip-path .8s var(--ease-in-out); display: grid; align-content: center; padding: 110px var(--gutter) 50px; overflow: auto; visibility: hidden; }
.menu.open { clip-path: circle(150% at calc(100% - 44px) 40px); visibility: visible; }
.menu-links { display: grid; gap: 4px; }
.menu-label { font-size: 10.5px; letter-spacing: .3em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 18px; }
.menu-links a { display: flex; align-items: baseline; gap: 14px; padding: 6px 0; border-bottom: 1px solid var(--line); font: 400 clamp(30px, 7vw, 60px)/1.25 var(--font-display); letter-spacing: -0.01em; color: #fff; opacity: 0; transform: translateY(30px); transition: opacity .5s var(--ease-out), transform .7s var(--ease-out), color .3s; }
.menu-links a small { font: 500 11.5px/1 var(--font-body); letter-spacing: .2em; color: var(--lime); }
.menu-links a:hover, .menu-links a.active { color: var(--purple-2); }
.menu.open .menu-links a { opacity: 1; transform: none; transition-delay: calc(.2s + var(--i, 0) * .06s); }
.menu-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.menu-foot { margin-top: 26px; display: grid; gap: 8px; color: var(--muted); font-size: 14px; }
.menu-foot .socials { margin-top: 8px; }
.menu-foot a:hover { color: var(--lime); }

/* ---------- Marquee ---------- */
.marquee { overflow: hidden; white-space: nowrap; display: flex; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; flex-shrink: 0; animation: marquee var(--speed, 30s) linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee.reverse .marquee-track { animation-direction: reverse; }
.marquee-item { display: inline-flex; align-items: center; gap: 22px; padding-inline: 22px; font: 400 clamp(20px, 2.4vw, 32px)/1 var(--font-display); color: var(--muted-2); transition: color .3s; }
.marquee-item:hover { color: #fff; }
.marquee-item .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); flex-shrink: 0; }
@keyframes marquee { to { transform: translateX(-100%); } }

/* ---------- Cards & UI ---------- */
.card { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(22px, 2.6vw, 34px); overflow: hidden; transition: transform .55s var(--ease-out), box-shadow .45s var(--ease-out), border-color .3s, background .3s; }
.card:hover { transform: translateY(-6px); border-color: var(--line-2); background: var(--surface-2); box-shadow: var(--shadow); }
.card .glow { position: absolute; width: 300px; height: 300px; border-radius: 50%; background: radial-gradient(circle, rgba(61,107,255,.22), transparent 70%); left: var(--mx, 50%); top: var(--my, 50%); transform: translate(-50%, -50%); opacity: 0; transition: opacity .4s; pointer-events: none; }
.card:hover .glow { opacity: 1; }
.badge { display: inline-flex; align-items: center; gap: 8px; padding: 7px 13px; border-radius: 999px; background: rgba(255,255,255,.05); border: 1px solid var(--line-2); font-size: 11.5px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: #fff; }
.badge .pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 0 rgba(255,70,85,.6); animation: pulse 1.8s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(255,70,85,0); } 100% { box-shadow: 0 0 0 0 rgba(255,70,85,0); } }
.icon-box { width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center; background: linear-gradient(140deg, #2F5BFF, #6B8CFF); color: #fff; flex-shrink: 0; box-shadow: 0 10px 30px -10px rgba(61,107,255,.8); }
.icon-box.lime { background: var(--lime); color: var(--ink); box-shadow: 0 10px 30px -10px rgba(255,70,85,.6); }
.icon-box svg { width: 22px; height: 22px; }
.tag { font-size: 11.5px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }

/* Page hero (inner pages) */
.page-hero { padding: calc(var(--header-h) + clamp(60px, 9vw, 120px)) 0 clamp(40px, 5vw, 70px); position: relative; overflow: hidden; }
.page-hero .container { position: relative; z-index: 1; }
.page-hero .h-xl { max-width: 15ch; }
.page-hero .lead { max-width: 60ch; margin-top: 24px; }
.page-hero .crumbs { display: flex; gap: 10px; font-size: 11.5px; font-weight: 500; color: var(--muted); margin-bottom: 24px; letter-spacing: .2em; text-transform: uppercase; }
.page-hero .crumbs a:hover { color: var(--lime); }
.page-hero .big-word { position: absolute; right: -2%; bottom: -8%; font: 600 clamp(120px, 24vw, 380px)/1 var(--font-display); letter-spacing: -0.04em; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.05); pointer-events: none; user-select: none; white-space: nowrap; z-index: 0; }

/* Reveal helpers (JS-driven) */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease-out), transform .9s var(--ease-out); }
[data-reveal="left"] { transform: translateX(-36px); }
[data-reveal="right"] { transform: translateX(36px); }
[data-reveal="scale"] { transform: scale(.94); }
[data-reveal].is-in { opacity: 1; transform: none; }
.stagger > * { transition-delay: calc(var(--i, 0) * 80ms); }
.split-line { display: block; }
.split-line > span { display: block; opacity: 0; transform: translateY(24px); }
.word { display: inline-block; vertical-align: top; }
.word > span { display: inline-block; opacity: 0; transform: translateY(14px); }
.no-js [data-reveal], .no-js .split-line > span, .no-js .word > span { opacity: 1; transform: none; }

/* ---------- CTA band (inner pages) ---------- */
.cta-band { position: relative; overflow: hidden; border-radius: var(--radius-lg); padding: clamp(56px, 7vw, 100px) clamp(28px, 6vw, 90px); background: radial-gradient(120% 140% at 50% 120%, rgba(61,107,255,.35), rgba(10,10,10,0) 60%), #0d0d10; border: 1px solid var(--line); isolation: isolate; }
.cta-band::before { content: ""; position: absolute; left: 50%; bottom: -70%; width: 120%; aspect-ratio: 1; transform: translateX(-50%); border-radius: 50%; border: 1px solid rgba(61,107,255,.5); box-shadow: 0 0 120px 10px rgba(61,107,255,.35), inset 0 0 120px 10px rgba(61,107,255,.2); z-index: -1; }
.cta-band .h-lg { max-width: 14ch; }
.cta-band .row { display: flex; flex-wrap: wrap; gap: 36px; justify-content: space-between; align-items: end; }
.cta-band .orb { position: absolute; right: 2%; top: 50%; transform: translateY(-50%); width: 30%; max-width: 360px; opacity: .9; pointer-events: none; z-index: -1; filter: drop-shadow(0 30px 60px rgba(61,107,255,.5)); }
@media (max-width: 900px) { .cta-band .orb { display: none; } }

/* ---------- Footer ---------- */
.site-footer { position: relative; margin-top: clamp(40px, 6vw, 90px); border-top: 1px solid var(--line); overflow: hidden; background: radial-gradient(40% 60% at 35% 0%, rgba(61,107,255,.16), transparent 70%), var(--bg); }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; padding: clamp(50px, 6vw, 80px) 0 46px; }
.footer-top h4 { font: 600 11.5px/1 var(--font-body); letter-spacing: .24em; text-transform: uppercase; color: #fff; margin-bottom: 20px; }
.footer-top ul { display: grid; gap: 10px; }
.footer-top ul a { color: var(--muted); font-size: 15px; transition: color .3s, transform .3s; display: inline-block; }
.footer-top ul a:hover { color: #fff; transform: translateX(5px); }
.footer-brand p { color: var(--muted); margin: 16px 0 22px; max-width: 36ch; font-size: 15px; font-weight: 300; }
.site-footer .brand img { height: 30px; }
.socials { display: flex; gap: 8px; }
.socials a { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: rgba(255,255,255,.05); border: 1px solid var(--line); color: #fff; transition: background .3s, border-color .3s, transform .4s var(--ease-spring), color .3s; }
.socials a svg { width: 16px; height: 16px; }
.socials a:hover { background: var(--lime); color: var(--ink); border-color: var(--lime); transform: translateY(-4px); }
.footer-news form { display: flex; background: rgba(255,255,255,.04); border: 1px solid var(--line-2); border-radius: 999px; padding: 5px; margin-top: 14px; }
.footer-news input { flex: 1; min-width: 0; background: none; border: 0; padding: 10px 16px; color: #fff; font: inherit; font-size: 15px; outline: none; }
.footer-news input::placeholder { color: var(--muted-2); }
.footer-news button { border-radius: 999px; background: #fff; color: var(--ink); padding: 10px 20px; font-weight: 500; transition: background .3s; }
.footer-news button:hover { background: var(--lime); }
.footer-giant { font: 600 clamp(64px, 14vw, 230px)/.9 var(--font-display); letter-spacing: -0.03em; text-align: center; white-space: nowrap; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.07); user-select: none; margin-top: 10px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding: 24px 0; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted-2); }
.footer-bottom a:hover { color: #fff; }
.footer-bottom .legal { display: flex; gap: 22px; }
@media (max-width: 1000px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-top { grid-template-columns: 1fr; gap: 34px; } }

/* ---------- Forms ---------- */
.field { display: grid; gap: 8px; }
.field label { font-size: 11.5px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.field input, .field textarea, .field select { width: 100%; background: rgba(255,255,255,.03); border: 1px solid var(--line-2); border-radius: 14px; padding: 15px 18px; color: #fff; font: inherit; outline: none; transition: border-color .3s, background .3s, box-shadow .3s; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--purple-2); background: rgba(255,255,255,.05); box-shadow: 0 0 0 4px rgba(61,107,255,.16); }
.field textarea { min-height: 150px; resize: vertical; }
.field select option { color: #111; }

/* ---------- Utilities ---------- */
.flex { display: flex; } .between { justify-content: space-between; } .center-y { align-items: center; } .wrap { flex-wrap: wrap; } .gap { gap: 12px; }
.grid { display: grid; } .g-2 { grid-template-columns: repeat(2, 1fr); } .g-3 { grid-template-columns: repeat(3, 1fr); } .g-4 { grid-template-columns: repeat(4, 1fr); }
.gap-l { gap: clamp(18px, 2.5vw, 28px); }
@media (max-width: 1000px) { .g-3, .g-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .g-2, .g-3, .g-4 { grid-template-columns: 1fr; } }
.mt-1 { margin-top: 16px; } .mt-2 { margin-top: 32px; } .mt-3 { margin-top: 56px; } .mt-4 { margin-top: 90px; }
@media (max-width: 800px) { .hide-mobile { display: none !important; } }
.back-top { position: fixed; right: 20px; bottom: 20px; z-index: 900; width: 46px; height: 46px; border-radius: 50%; background: rgba(255,255,255,.08); border: 1px solid var(--line-2); backdrop-filter: blur(10px); color: #fff; display: grid; place-items: center; opacity: 0; transform: translateY(20px); transition: opacity .4s, transform .5s var(--ease-spring), background .3s, color .3s; }
.back-top.show { opacity: 1; transform: none; }
.back-top:hover { background: var(--lime); color: var(--ink); }
.back-top svg { width: 17px; }
.whatsapp-fab { position: fixed; left: 20px; bottom: 20px; z-index: 900; display: inline-flex; align-items: center; gap: 10px; padding: 10px 16px 10px 10px; border-radius: 999px; background: #25D366; color: #06210f; font-weight: 500; font-size: 14px; box-shadow: 0 14px 36px -12px rgba(37,211,102,.7); transition: transform .4s var(--ease-spring); }
.whatsapp-fab:hover { transform: scale(1.05); }
.whatsapp-fab svg { width: 22px; }
@media (max-width: 600px) { .whatsapp-fab span { display: none; } .whatsapp-fab { padding: 10px; } }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; } }


/* ---------- US Web Experts brand lockup ---------- */
.logo-chip { width: 36px; height: 36px; border-radius: 10px; background: #fff; display: grid; place-items: center; flex-shrink: 0; box-shadow: 0 6px 18px -8px rgba(227,38,61,.6); }
.logo-chip img { width: 28px; height: auto; }
.brand .brand-word { font: 700 17px/1 'Oswald', var(--font-display); letter-spacing: .03em; color: #E3263D; text-transform: uppercase; white-space: nowrap; }
.site-header .brand .brand-word { display: inline; font-size: 16px; }
.brand-lock { display: grid; gap: 5px; }
.brand-tag { font: 500 11px/1.2 'Oswald', var(--font-body); letter-spacing: .06em; color: var(--muted); }
.site-footer .logo-chip { width: 48px; height: 48px; border-radius: 13px; }
.site-footer .logo-chip img { width: 38px; }
.site-footer .brand .brand-word { font-size: 24px; }
.site-footer .brand img { height: auto; }
.footer-giant { font-size: clamp(40px, 9.6vw, 164px); font-family: 'Oswald', var(--font-display); letter-spacing: .01em; }
.preloader-logo { width: 96px; }
@media (max-width: 1024px) { .site-header .brand .brand-word { font-size: 15px; } .logo-chip { width: 32px; height: 32px; } .logo-chip img { width: 25px; } }
@media (max-width: 380px) { .site-header .brand .brand-word { font-size: 13.5px; } }