/* ============================================================
   SolverPro Incorporation — style.css
   Design tokens · Day/Night themes · Layout · Motion
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --container: 1180px;
  --nav-h: 72px;

  --ease-out: cubic-bezier(.22,.9,.28,1);
  --spring: cubic-bezier(.34,1.56,.64,1);

  --wa-green: #25D366;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #060B18;
  --bg-soft: #081020;
  --surface: rgba(16, 24, 48, .62);
  --surface-solid: #0C1428;
  --surface-2: #111C3B;
  --text: #EAF0FE;
  --muted: #94A3C7;
  --faint: #64739B;
  --accent: #3B82F6;
  --accent-2: #8B5CF6;
  --accent-3: #22D3EE;
  --border: rgba(148, 163, 199, .16);
  --border-strong: rgba(148, 163, 199, .30);
  --glow: rgba(59, 130, 246, .35);
  --shadow: 0 18px 50px rgba(2, 6, 20, .55);
  --shadow-soft: 0 8px 26px rgba(2, 6, 20, .40);
  --nav-bg: rgba(6, 11, 24, .72);
  --hero-veil: linear-gradient(180deg, rgba(6,11,24,.20) 0%, rgba(6,11,24,.55) 62%, var(--bg) 100%);
  --chip-bg: rgba(59, 130, 246, .12);
  --g1: #1D4ED8; --g2: #7C3AED; --g3: #0891B2;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #F6F8FF;
  --bg-soft: #EEF2FE;
  --surface: rgba(255, 255, 255, .78);
  --surface-solid: #FFFFFF;
  --surface-2: #FFFFFF;
  --text: #0B1226;
  --muted: #46557C;
  --faint: #7784A6;
  --accent: #2563EB;
  --accent-2: #7C3AED;
  --accent-3: #0891B2;
  --border: rgba(11, 18, 38, .10);
  --border-strong: rgba(11, 18, 38, .20);
  --glow: rgba(37, 99, 235, .25);
  --shadow: 0 18px 50px rgba(30, 48, 110, .14);
  --shadow-soft: 0 8px 24px rgba(30, 48, 110, .10);
  --nav-bg: rgba(246, 248, 255, .78);
  --hero-veil: linear-gradient(180deg, rgba(246,248,255,.08) 0%, rgba(246,248,255,.55) 62%, var(--bg) 100%);
  --chip-bg: rgba(37, 99, 235, .09);
  --g1: #60A5FA; --g2: #A78BFA; --g3: #67E8F9;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  transition: background-color .4s ease, color .4s ease;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.14; margin: 0 0 .5em; letter-spacing: -.015em; }
h1 { font-size: clamp(2.3rem, 5.4vw, 4.1rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.22rem; font-weight: 600; }
p { margin: 0 0 1em; }
.container { width: min(var(--container), 92%); margin-inline: auto; }
section { position: relative; padding: clamp(4rem, 8vw, 6.5rem) 0; }
.section-alt { background: var(--bg-soft); transition: background-color .4s ease; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--accent); color: #fff; padding: .6rem 1rem; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .78rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); background: var(--chip-bg);
  border: 1px solid var(--border); border-radius: var(--radius-pill);
  padding: .38rem .95rem; margin-bottom: 1.1rem;
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent-3); }
.section-head { max-width: 680px; margin-bottom: clamp(2rem, 4vw, 3.2rem); }
.section-head.center { margin-inline: auto; text-align: center; }
.lead { color: var(--muted); font-size: 1.06rem; }

/* ---------- Reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(38px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.reveal.in-view { opacity: 1; transform: none; }
.reveal-stagger > * { opacity: 0; transform: translateY(30px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.reveal-stagger.in-view > * { opacity: 1; transform: none; }
.reveal-stagger.in-view > *:nth-child(1) { transition-delay: .04s; }
.reveal-stagger.in-view > *:nth-child(2) { transition-delay: .12s; }
.reveal-stagger.in-view > *:nth-child(3) { transition-delay: .20s; }
.reveal-stagger.in-view > *:nth-child(4) { transition-delay: .28s; }
.reveal-stagger.in-view > *:nth-child(5) { transition-delay: .36s; }
.reveal-stagger.in-view > *:nth-child(6) { transition-delay: .44s; }
.reveal-stagger.in-view > *:nth-child(7) { transition-delay: .52s; }
.reveal-stagger.in-view > *:nth-child(8) { transition-delay: .60s; }
.reveal-stagger.in-view > *:nth-child(9) { transition-delay: .68s; }

/* ---------- Announcement bar ---------- */
.announce {
  background: linear-gradient(90deg, var(--g1), var(--g2), var(--g3));
  color: #fff; text-align: center; font-size: .86rem; padding: .5rem 1rem;
}
.announce a { font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Navbar ---------- */
.navbar {
  position: sticky; top: 0; z-index: 90;
  height: var(--nav-h);
  display: flex; align-items: center;
  border-bottom: 1px solid transparent;
  transition: background-color .35s ease, border-color .35s ease, backdrop-filter .35s ease;
}
.navbar.scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 1.4rem; width: min(var(--container), 94%); margin-inline: auto; }
.brand { display: flex; align-items: center; gap: .6rem; font-family: var(--font-display); font-weight: 700; font-size: 1.22rem; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-size: 1.05rem; box-shadow: 0 6px 18px var(--glow);
}
.brand span em { font-style: normal; color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: .2rem; margin-left: auto; list-style: none; padding: 0; }
.nav-links > li { position: relative; }
.nav-links a.nav-link, .nav-links button.nav-link {
  display: inline-flex; align-items: center; gap: .3rem;
  background: none; border: 0; cursor: pointer;
  color: var(--muted); font-size: .95rem; font-weight: 500;
  padding: .55rem .8rem; border-radius: 9px; position: relative;
  transition: color .25s ease;
}
.nav-links a.nav-link::after, .nav-links button.nav-link::after {
  content: ""; position: absolute; left: .8rem; right: .8rem; bottom: .3rem; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-3));
  border-radius: 2px; transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease-out);
}
.nav-links a.nav-link:hover, .nav-links button.nav-link:hover,
.nav-links a.nav-link.active { color: var(--text); }
.nav-links a.nav-link:hover::after, .nav-links button.nav-link:hover::after,
.nav-links a.nav-link.active::after { transform: scaleX(1); }
.caret { transition: transform .3s ease; }
li.open > .nav-link .caret { transform: rotate(180deg); }

.dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(8px);
  min-width: 260px; background: var(--surface-solid);
  border: 1px solid var(--border); border-radius: var(--radius-md);
  box-shadow: var(--shadow); padding: .6rem;
  opacity: 0; pointer-events: none; transition: opacity .25s ease, transform .3s var(--ease-out);
}
li.open > .dropdown { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.dropdown a {
  display: block; padding: .58rem .75rem; border-radius: 10px; font-size: .92rem;
}
.dropdown a strong { display: block; font-weight: 600; }
.dropdown a small { color: var(--muted); font-size: .8rem; }
.dropdown a:hover { background: var(--chip-bg); }
.dropdown .dd-label { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); padding: .5rem .75rem .25rem; }
.dropdown.mega { min-width: 620px; display: grid; grid-template-columns: repeat(3, 1fr); gap: .25rem; }
.dropdown.mega .dd-col { display: flex; flex-direction: column; }

/* Theme toggle */
.theme-toggle {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--surface);
  cursor: pointer; display: grid; place-items: center; color: var(--text);
  transition: border-color .3s, box-shadow .3s, transform .2s var(--spring);
}
.theme-toggle:hover { border-color: var(--border-strong); transform: scale(1.06); }
.theme-toggle svg { width: 19px; height: 19px; transition: transform .5s var(--spring), opacity .3s; }
.theme-toggle .icon-sun { display: none; }
html[data-theme="light"] .theme-toggle .icon-sun { display: block; }
html[data-theme="light"] .theme-toggle .icon-moon { display: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-weight: 600; font-size: .96rem; border-radius: var(--radius-pill);
  padding: .82rem 1.6rem; cursor: pointer; border: 1px solid transparent;
  transition: transform .25s var(--spring), box-shadow .3s ease, background-color .3s ease, border-color .3s;
  will-change: transform;
}
.btn:active { transform: scale(.96); }
.btn-primary {
  color: #fff; background: linear-gradient(120deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 28px var(--glow);
}
.btn-primary:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 16px 36px var(--glow); }
.btn-ghost { color: var(--text); border-color: var(--border-strong); background: var(--surface); backdrop-filter: blur(8px); }
.btn-ghost:hover { border-color: var(--accent); transform: translateY(-2px); }
.btn-wa { color: #fff; background: var(--wa-green); box-shadow: 0 10px 26px rgba(37,211,102,.35); }
.btn-wa:hover { transform: translateY(-2px) scale(1.02); }
.nav-cta { padding: .62rem 1.25rem; font-size: .9rem; }

.hamburger { display: none; background: none; border: 0; cursor: pointer; color: var(--text); padding: .4rem; }
.hamburger svg { width: 26px; height: 26px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: calc(100svh - var(--nav-h) - 36px);
  display: flex; align-items: center; overflow: hidden; padding: 4.5rem 0 5.5rem;
}
#shader-canvas, .hero-fallback-gradient {
  position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0;
}
.hero-fallback-gradient { display: none; overflow: hidden; }
.hero-fallback-gradient .blob {
  position: absolute; width: 55vmax; height: 55vmax; border-radius: 50%;
  filter: blur(90px); opacity: .5; animation: blob-drift 26s ease-in-out infinite alternate;
}
.hero-fallback-gradient .blob:nth-child(1) { background: var(--g1); top: -18%; left: -12%; }
.hero-fallback-gradient .blob:nth-child(2) { background: var(--g2); bottom: -22%; right: -10%; animation-delay: -8s; }
.hero-fallback-gradient .blob:nth-child(3) { background: var(--g3); top: 24%; right: 26%; width: 34vmax; height: 34vmax; animation-delay: -16s; }
@keyframes blob-drift {
  0% { transform: translate(0,0) scale(1); }
  50% { transform: translate(6vw,-4vh) scale(1.12); }
  100% { transform: translate(-4vw,5vh) scale(.94); }
}
.hero::after { content: ""; position: absolute; inset: 0; z-index: 1; background: var(--hero-veil); pointer-events: none; }
.hero .container { position: relative; z-index: 2; }

.hero-orb {
  position: absolute; z-index: 1; border-radius: 50%; pointer-events: none;
  border: 1px solid var(--border-strong);
  background: var(--surface); backdrop-filter: blur(10px);
  box-shadow: inset 0 0 40px var(--glow);
}
.orb-1 { width: 130px; height: 130px; top: 16%; right: 12%; }
.orb-2 { width: 66px; height: 66px; bottom: 22%; right: 28%; }
.orb-3 { width: 92px; height: 92px; top: 58%; left: 6%; }

.hero-slides { position: relative; min-height: 300px; }
.hero-slide { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity .7s ease, transform .7s var(--ease-out); transform: translateY(18px); }
.hero-slide.active { position: relative; opacity: 1; pointer-events: auto; transform: none; }
.hero .hero-title { font-family: var(--font-display); font-weight: 700; letter-spacing: -.015em;
  font-size: clamp(2.3rem, 5.4vw, 4.1rem); line-height: 1.14; max-width: 880px; margin: 0 0 1rem; }
.hero .hero-title .word { display: inline-block; opacity: 0; transform: translateY(.7em); animation: word-up .7s var(--ease-out) forwards; }
@keyframes word-up { to { opacity: 1; transform: none; } }
.hero-sub { max-width: 640px; color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.15rem); margin-bottom: 1.9rem; }
.grad-text {
  background: linear-gradient(92deg, var(--accent), var(--accent-2) 55%, var(--accent-3));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-ctas { display: flex; gap: .9rem; flex-wrap: wrap; margin-bottom: 2.2rem; }
.hero-dots { display: flex; gap: .55rem; margin-bottom: 2rem; }
.hero-dots button {
  width: 30px; height: 5px; border-radius: 4px; border: 0; cursor: pointer;
  background: var(--border-strong); transition: background .3s, width .3s;
}
.hero-dots button.active { background: var(--accent); width: 46px; }
.trust-strip { display: flex; flex-wrap: wrap; gap: .6rem 1.6rem; color: var(--muted); font-size: .9rem; }
.trust-strip span { display: inline-flex; align-items: center; gap: .45rem; }
.trust-strip svg { width: 15px; height: 15px; color: var(--accent-3); }

/* ---------- Stats ---------- */
.stats-band { padding: 0; margin-top: -3.2rem; position: relative; z-index: 4; }
.stats-grid {
  display: grid; grid-template-columns: repeat(5, 1fr);
  background: var(--surface); backdrop-filter: blur(16px);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow); overflow: hidden;
}
.stat { padding: 1.7rem 1.1rem; text-align: center; border-right: 1px solid var(--border); }
.stat:last-child { border-right: 0; }
.stat b { font-family: var(--font-display); font-size: clamp(1.6rem, 2.6vw, 2.2rem); font-weight: 700; display: block; }
.stat b .suffix { color: var(--accent); }
.stat small { color: var(--muted); font-size: .84rem; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(2rem, 5vw, 4.2rem); align-items: center; }
.about-media { position: relative; }
.about-media .frame {
  border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border);
  box-shadow: var(--shadow); position: relative;
}
.about-media .frame::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(140deg, var(--glow), transparent 45%);
  mix-blend-mode: screen; pointer-events: none;
}
.about-media img { aspect-ratio: 4/3.1; object-fit: cover; width: 100%; }
.about-badge {
  position: absolute; right: -14px; bottom: -18px; z-index: 2;
  background: var(--surface-solid); border: 1px solid var(--border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-soft);
  padding: .9rem 1.15rem; font-size: .85rem;
}
.about-badge b { font-family: var(--font-display); display: block; font-size: 1.05rem; }
.about-badge small { color: var(--muted); }
.feature-chips { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; margin-top: 1.6rem; }
.feature-chips .chip {
  display: flex; gap: .8rem; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: .95rem 1rem;
  transition: transform .3s var(--spring), border-color .3s;
}
.feature-chips .chip:hover { transform: translateY(-3px); border-color: var(--accent); }
.chip-ico {
  flex: 0 0 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  background: var(--chip-bg); color: var(--accent);
}
.chip-ico svg { width: 19px; height: 19px; }
.feature-chips b { display: block; font-size: .95rem; }
.feature-chips small { color: var(--muted); font-size: .82rem; line-height: 1.45; }

/* ---------- Services ---------- */
.filter-tabs { display: flex; flex-wrap: wrap; gap: .55rem; margin-bottom: 2.4rem; }
.filter-tabs button {
  border: 1px solid var(--border-strong); background: var(--surface);
  color: var(--muted); font-weight: 600; font-size: .88rem;
  padding: .55rem 1.2rem; border-radius: var(--radius-pill); cursor: pointer;
  transition: all .3s ease;
}
.filter-tabs button:hover { color: var(--text); border-color: var(--accent); }
.filter-tabs button.active {
  color: #fff; background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border-color: transparent; box-shadow: 0 8px 20px var(--glow);
}
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.35rem; }
.svc-card {
  position: relative; background: var(--surface); backdrop-filter: blur(12px);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1.7rem 1.55rem 1.5rem; overflow: hidden;
  transition: transform .45s var(--spring), border-color .35s, box-shadow .4s, opacity .4s, scale .4s;
  transform-style: preserve-3d;
}
.svc-card::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; opacity: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-2), var(--accent-3));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  transition: opacity .4s ease; pointer-events: none;
}
.svc-card:hover { box-shadow: var(--shadow); }
.svc-card:hover::before { opacity: 1; }
.svc-card.hidden-card { display: none; }
.svc-ico {
  width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; margin-bottom: 1.1rem; box-shadow: 0 8px 20px var(--glow);
}
.svc-ico svg { width: 24px; height: 24px; }
.svc-card p { color: var(--muted); font-size: .93rem; }
.svc-card ul { list-style: none; padding: 0; margin: .9rem 0 1.1rem; }
.svc-card li { display: flex; gap: .55rem; align-items: baseline; font-size: .89rem; color: var(--muted); padding: .22rem 0; }
.svc-card li::before { content: "▸"; color: var(--accent-3); font-size: .8rem; }
.svc-link { font-weight: 600; font-size: .9rem; color: var(--accent); display: inline-flex; align-items: center; gap: .35rem; }
.svc-link svg { width: 15px; height: 15px; transition: transform .3s var(--spring); }
.svc-card:hover .svc-link svg { transform: translateX(4px); }

/* ---------- Industries ---------- */
.industry-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.35rem; }
.ind-card {
  position: relative; display: flex; flex-direction: column; gap: .4rem;
  border-radius: var(--radius-lg); border: 1px solid var(--border);
  background: var(--surface); backdrop-filter: blur(12px);
  padding: 2rem 1.8rem; overflow: hidden;
  transition: transform .45s var(--spring), box-shadow .4s, border-color .35s;
}
.ind-card::after {
  content: ""; position: absolute; top: -60px; right: -60px; width: 190px; height: 190px;
  border-radius: 50%; background: radial-gradient(circle, var(--ind-tint, var(--glow)), transparent 68%);
  opacity: .8; transition: transform .6s var(--ease-out);
}
.ind-card:hover { transform: translateY(-6px); border-color: var(--accent); box-shadow: var(--shadow); }
.ind-card:hover::after { transform: scale(1.35); }
.ind-ico {
  width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center;
  background: var(--chip-bg); color: var(--accent); margin-bottom: .8rem;
  border: 1px solid var(--border);
}
.ind-ico svg { width: 26px; height: 26px; }
.ind-card p { color: var(--muted); font-size: .94rem; margin-bottom: .4rem; }
.ind-card ul { list-style: none; margin: 0 0 1.1rem; padding: 0; }
.ind-card li { display: flex; gap: .55rem; font-size: .89rem; color: var(--muted); padding: .2rem 0; }
.ind-card li::before { content: "✓"; color: var(--accent-3); font-weight: 700; }
.ind-card .svc-link { margin-top: auto; }

/* ---------- Why us ---------- */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; }
.why-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1.7rem 1.5rem; transition: transform .4s var(--spring), border-color .3s;
}
.why-card:hover { transform: translateY(-5px); border-color: var(--accent); }
.why-num { font-family: var(--font-display); font-weight: 700; color: var(--accent); opacity: .85; font-size: .95rem; letter-spacing: .08em; }
.why-card p { color: var(--muted); font-size: .92rem; margin: 0; }

/* ---------- Process timeline ---------- */
.timeline { position: relative; max-width: 860px; margin-inline: auto; }
.timeline::before {
  content: ""; position: absolute; left: 27px; top: 8px; bottom: 8px; width: 2px;
  background: var(--border-strong);
}
.timeline .t-progress {
  position: absolute; left: 27px; top: 8px; width: 2px; height: 0;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  transition: height .25s linear;
}
.t-step { position: relative; padding: 0 0 2.6rem 84px; }
.t-step:last-child { padding-bottom: 0; }
.t-dot {
  position: absolute; left: 0; top: 0; width: 56px; height: 56px; border-radius: 18px;
  display: grid; place-items: center; font-family: var(--font-display); font-weight: 700;
  background: var(--surface-solid); border: 1px solid var(--border-strong);
  color: var(--accent); box-shadow: var(--shadow-soft); z-index: 1;
}
.t-step p { color: var(--muted); font-size: .95rem; max-width: 620px; }
.t-tags { display: flex; flex-wrap: wrap; gap: .45rem; }
.t-tags span {
  font-size: .78rem; font-weight: 500; color: var(--muted);
  border: 1px solid var(--border); background: var(--chip-bg);
  border-radius: var(--radius-pill); padding: .28rem .8rem;
}

/* ---------- Case studies ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.35rem; }
.case-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1.8rem 1.6rem; display: flex; flex-direction: column; gap: .7rem;
  transition: transform .4s var(--spring), border-color .3s, box-shadow .4s;
}
.case-card:hover { transform: translateY(-6px); border-color: var(--accent); box-shadow: var(--shadow); }
.case-tag { font-size: .82rem; color: var(--muted); }
.case-big { font-family: var(--font-display); font-weight: 700; font-size: clamp(2.2rem, 4vw, 3rem); line-height: 1; }
.case-row b { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); display: block; margin-bottom: .15rem; }
.case-row p { font-size: .9rem; color: var(--muted); margin: 0; }

/* ---------- Testimonials ---------- */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: 1.2rem; width: max-content; animation: marquee 46s linear infinite; padding: .4rem 0; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.tsm-card {
  width: 330px; flex: 0 0 auto; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.5rem 1.4rem;
}
.tsm-stars { color: #F5B301; letter-spacing: 2px; font-size: .92rem; margin-bottom: .6rem; }
.tsm-card blockquote { margin: 0 0 1rem; font-size: .94rem; color: var(--text); }
.tsm-who { display: flex; align-items: center; gap: .8rem; }
.tsm-avatar {
  width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
  font-weight: 700; color: #fff; font-size: .95rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.tsm-who b { display: block; font-size: .92rem; }
.tsm-who small { color: var(--muted); font-size: .8rem; }
.tsm-verified { margin-left: auto; font-size: .74rem; color: var(--accent-3); border: 1px solid var(--border); border-radius: var(--radius-pill); padding: .2rem .6rem; white-space: nowrap; }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 820px; margin-inline: auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface); margin-bottom: .8rem; overflow: hidden; transition: border-color .3s; }
.faq-item[open], .faq-item:hover { border-color: var(--accent); }
.faq-item summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; gap: 1rem;
  padding: 1.05rem 1.3rem; font-weight: 600; font-family: var(--font-display); font-size: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .fx { margin-left: auto; flex: 0 0 auto; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--border-strong); color: var(--accent); transition: transform .35s var(--spring), background .3s; }
.faq-item[open] summary .fx { transform: rotate(45deg); background: var(--chip-bg); }
.faq-item .faq-a { padding: 0 1.3rem 1.2rem; color: var(--muted); font-size: .95rem; }

/* ---------- Blog teaser ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.post-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1.4rem 1.3rem; display: flex; flex-direction: column; gap: .55rem;
  transition: transform .4s var(--spring), border-color .3s;
}
.post-card:hover { transform: translateY(-5px); border-color: var(--accent); }
.post-cat { font-size: .74rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.post-card h3 { font-size: 1.02rem; margin: 0; }
.post-card small { margin-top: auto; color: var(--faint); font-size: .8rem; }

/* ---------- CTA band ---------- */
.cta-band { padding: 0; }
.cta-panel {
  position: relative; overflow: hidden; text-align: center;
  border-radius: var(--radius-lg); padding: clamp(3rem, 6vw, 4.6rem) 1.5rem;
  background: linear-gradient(120deg, var(--g1), var(--g2) 55%, var(--g3));
  background-size: 220% 220%; animation: grad-pan 12s ease-in-out infinite alternate;
  color: #fff; box-shadow: var(--shadow);
}
@keyframes grad-pan { from { background-position: 0% 40%; } to { background-position: 100% 60%; } }
.cta-panel h2 { color: #fff; max-width: 640px; margin-inline: auto; }
.cta-panel p { color: rgba(255,255,255,.85); max-width: 560px; margin: 0 auto 1.8rem; }
.cta-panel .btn-ghost { color: #fff; border-color: rgba(255,255,255,.55); background: rgba(255,255,255,.10); }
.cta-actions { display: flex; gap: .9rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(2rem, 5vw, 4rem); }
.contact-info-list { display: flex; flex-direction: column; gap: 1.1rem; margin: 1.6rem 0; }
.ci-item { display: flex; gap: 1rem; align-items: flex-start; }
.ci-item .chip-ico { flex: 0 0 44px; height: 44px; }
.ci-item b { display: block; font-family: var(--font-display); }
.ci-item a, .ci-item address { color: var(--muted); font-style: normal; font-size: .95rem; }
.ci-item a:hover { color: var(--accent); }
.map-frame { border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-soft); }
.map-frame iframe { display: block; width: 100%; height: 230px; border: 0; }
.socials { display: flex; gap: .7rem; margin-top: 1.4rem; }
.socials a {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  border: 1px solid var(--border); background: var(--surface); color: var(--muted);
  transition: all .3s ease;
}
.socials a:hover { color: #fff; background: var(--accent); border-color: var(--accent); transform: translateY(-3px); }
.socials svg { width: 18px; height: 18px; }

.form-card {
  background: var(--surface); backdrop-filter: blur(14px);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.2rem); box-shadow: var(--shadow-soft);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { position: relative; margin-bottom: 1.05rem; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; color: var(--text);
  background: var(--surface-solid); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); padding: 1.05rem .95rem .55rem;
  outline: none; transition: border-color .3s, box-shadow .3s;
}
.field textarea { min-height: 120px; resize: vertical; }
.field label {
  position: absolute; left: .95rem; top: .82rem; color: var(--faint); font-size: .95rem;
  pointer-events: none; transition: all .22s ease; background: transparent;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--glow); }
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label,
.field select:focus + label, .field select.has-value + label {
  top: .3rem; font-size: .7rem; color: var(--accent); letter-spacing: .04em;
}
.field .err { display: none; color: #F87171; font-size: .78rem; margin-top: .3rem; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #F87171; }
.field.invalid .err { display: block; }
.hp { position: absolute; left: -5000px; opacity: 0; }
.form-note { font-size: .84rem; color: var(--muted); margin-top: 1rem; }
.form-note a { color: var(--wa-green); font-weight: 600; }
.form-success {
  display: none; text-align: center; padding: 2.5rem 1rem;
}
.form-success.show { display: block; }
.form-success .ok-ring {
  width: 70px; height: 70px; margin: 0 auto 1rem; border-radius: 50%;
  display: grid; place-items: center; background: var(--chip-bg);
  color: var(--accent-3); border: 1px solid var(--border-strong);
  animation: pop-in .6s var(--spring);
}
@keyframes pop-in { from { transform: scale(.4); opacity: 0; } }

/* ---------- Footer ---------- */
footer.site-footer {
  border-top: 1px solid var(--border); background: var(--bg-soft);
  padding: 3.6rem 0 2rem; transition: background-color .4s ease;
}
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(5, 1fr); gap: 1.8rem; margin-bottom: 2.6rem; }
.footer-grid h4 { font-size: .84rem; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); margin-bottom: 1rem; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .55rem; }
.footer-grid a { color: var(--muted); font-size: .92rem; transition: color .25s; }
.footer-grid a:hover { color: var(--accent); }
.footer-about p { color: var(--muted); font-size: .92rem; max-width: 300px; }
.footer-nap { font-style: normal; color: var(--muted); font-size: .88rem; line-height: 1.7; }
.footer-nap a { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 1.4rem;
  display: flex; flex-wrap: wrap; gap: .8rem; justify-content: space-between;
  color: var(--faint); font-size: .85rem;
}

/* ---------- Sticky WhatsApp + mobile bar ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 120;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--wa-green); color: #fff; display: grid; place-items: center;
  box-shadow: 0 12px 30px rgba(37, 211, 102, .45);
  transition: transform .3s var(--spring);
}
.wa-float:hover { transform: scale(1.1); }
.wa-float svg { width: 30px; height: 30px; }
.wa-float::before, .wa-float::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid var(--wa-green); animation: wa-pulse 2.4s ease-out infinite;
}
.wa-float::after { animation-delay: 1.2s; }
@keyframes wa-pulse { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(1.75); opacity: 0; } }
.wa-tip {
  position: absolute; right: 72px; top: 50%; transform: translateY(-50%) translateX(8px);
  background: var(--surface-solid); color: var(--text); border: 1px solid var(--border);
  padding: .45rem .85rem; border-radius: 9px; font-size: .82rem; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s; box-shadow: var(--shadow-soft);
}
.wa-float:hover .wa-tip { opacity: 1; transform: translateY(-50%) translateX(0); }

.mobile-bar {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 110;
  background: var(--nav-bg); backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
}
.mobile-bar a {
  flex: 1; text-align: center; padding: .78rem .4rem; font-size: .82rem; font-weight: 600;
  color: var(--muted); display: flex; flex-direction: column; align-items: center; gap: .18rem;
}
.mobile-bar a svg { width: 19px; height: 19px; }
.mobile-bar a.mb-primary { color: var(--accent); }
.mobile-bar a.mb-wa { color: var(--wa-green); }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed; right: 24px; bottom: 96px; z-index: 100;
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--border);
  background: var(--surface-solid); color: var(--text); cursor: pointer;
  display: grid; place-items: center; opacity: 0; pointer-events: none;
  transition: opacity .3s, transform .3s var(--spring); box-shadow: var(--shadow-soft);
}
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { transform: translateY(-4px); }
.to-top svg { width: 18px; height: 18px; }

/* ---------- Breadcrumbs (industry pages) ---------- */
.crumbs { font-size: .85rem; color: var(--muted); margin-bottom: 1.2rem; }
.crumbs a { color: var(--accent); }
.crumbs span { margin: 0 .4rem; color: var(--faint); }

.page-hero { padding: clamp(4rem, 8vw, 6rem) 0 3.4rem; position: relative; overflow: hidden; }
.page-hero .hero-glow {
  position: absolute; inset: -40% -20% auto; height: 130%;
  background: radial-gradient(60% 60% at 50% 20%, var(--glow), transparent 70%);
  pointer-events: none;
}
.pain-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }
.pain-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 1.3rem 1.2rem; transition: transform .35s var(--spring), border-color .3s;
}
.pain-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.pain-card b { font-family: var(--font-display); display: block; margin-bottom: .3rem; }
.pain-card p { margin: 0; color: var(--muted); font-size: .88rem; }
.pain-emoji { font-size: 1.5rem; display: block; margin-bottom: .5rem; }

.mini-case {
  display: grid; grid-template-columns: auto 1fr; gap: 1.6rem; align-items: center;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 2rem; box-shadow: var(--shadow-soft);
}
.mini-case .case-big { color: var(--accent); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001s !important; animation-iteration-count: 1 !important; transition-duration: .001s !important; }
  .reveal, .reveal-stagger > * { opacity: 1 !important; transform: none !important; }
  .marquee-track { animation: none; flex-wrap: wrap; width: auto; }
  .hero .hero-title .word { opacity: 1; transform: none; animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .stat:nth-child(3) { border-right: 0; }
  .stat:nth-child(n+4) { border-top: 1px solid var(--border); }
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .dropdown.mega { min-width: 520px; grid-template-columns: 1fr 1fr; }
}
@media (max-width: 880px) {
  .nav-links {
    position: fixed; inset: calc(var(--nav-h) + 36px) 0 auto 0; z-index: 89;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--surface-solid); border-bottom: 1px solid var(--border);
    padding: .8rem 1.2rem 1.4rem; box-shadow: var(--shadow);
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: opacity .3s ease, transform .35s var(--ease-out);
    max-height: calc(100dvh - var(--nav-h)); overflow-y: auto;
  }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a.nav-link, .nav-links button.nav-link { width: 100%; justify-content: space-between; padding: .8rem .4rem; }
  .dropdown, .dropdown.mega { position: static; transform: none; min-width: 0; display: none; box-shadow: none; border: 0; background: transparent; padding: 0 0 .4rem .6rem; grid-template-columns: 1fr; }
  li.open > .dropdown { display: block; opacity: 1; }
  li.open > .dropdown.mega { display: grid; }
  .hamburger { display: block; margin-left: auto; }
  .nav-links { margin-left: 0; }
  .nav-inner .nav-cta { display: none; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .industry-grid, .why-grid, .case-grid { grid-template-columns: 1fr; }
  .mini-case { grid-template-columns: 1fr; text-align: left; }
  .mobile-bar { display: flex; }
  body { padding-bottom: 62px; }
  .wa-float { bottom: 78px; right: 16px; }
  .to-top { bottom: 148px; right: 18px; }
  .hero { min-height: 0; padding-top: 3.4rem; }
  .hero-slides { min-height: 360px; }
  .orb-1, .orb-2 { display: none; }
}
@media (max-width: 600px) {
  .services-grid, .blog-grid, .pain-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat { border-right: 0 !important; border-top: 1px solid var(--border); }
  .stat:nth-child(-n+2) { border-top: 0; }
  .form-row { grid-template-columns: 1fr; }
  .feature-chips { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-about { grid-column: 1 / -1; }
  .about-badge { right: 8px; bottom: -14px; }
}

/* ---------- Growth services grid ---------- */
.growth-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.15rem; }
.growth-card {
  position: relative; display: flex; flex-direction: column; gap: .45rem;
  background: var(--surface); backdrop-filter: blur(10px);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1.45rem 1.35rem 1.3rem; overflow: hidden;
  transition: transform .4s var(--spring), border-color .3s, box-shadow .4s;
}
.growth-card::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; opacity: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-2), var(--accent-3));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  transition: opacity .35s ease; pointer-events: none;
}
.growth-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.growth-card:hover::before { opacity: 1; }
.growth-stat {
  align-self: flex-start; font-size: .72rem; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--accent-3);
  background: var(--chip-bg); border: 1px solid var(--border);
  border-radius: var(--radius-pill); padding: .28rem .75rem;
}
.growth-card h3 { margin: .15rem 0 0; font-size: 1.06rem; }
.growth-card p { margin: 0 0 .5rem; color: var(--muted); font-size: .88rem; line-height: 1.5; }
.growth-card .svc-link { margin-top: auto; font-size: .86rem; }
@media (max-width: 1080px) { .growth-grid { grid-template-columns: repeat(2, 1fr); } .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
@media (max-width: 600px) { .growth-grid { grid-template-columns: 1fr; } }

/* ---------- Inner-page shader hero ---------- */
.page-shader { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .5; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: var(--hero-veil); pointer-events: none; z-index: 1; }
.page-hero .hero-glow { z-index: 1; }
.page-hero .container { position: relative; z-index: 2; }

/* ---------- Responsive column helpers (replace inline grid styles) ---------- */
.services-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.growth-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.growth-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1080px) {
  .growth-grid.cols-3, .growth-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 880px) {
  .services-grid.cols-2 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .growth-grid.cols-3, .growth-grid.cols-4 { grid-template-columns: 1fr; }
}

/* ---------- Hero video slider layer ---------- */
.hero-videos { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0; transition: opacity .9s ease;
  filter: saturate(1.05);
}
.hero-video.active { opacity: 1; }
@media (prefers-reduced-motion: reduce) { .hero-videos { display: none; } }

/* ---------- Card & hero imagery ---------- */
.svc-media { margin: 0 0 1.05rem; }
.svc-media img, .growth-thumb, .post-card > img {
  width: 100%; object-fit: cover; display: block;
  border-radius: 12px; border: 1px solid var(--border);
}
.svc-media img { aspect-ratio: 16 / 9; }
.growth-thumb { aspect-ratio: 16 / 10; margin-bottom: .45rem; }
.post-card > img { aspect-ratio: 16 / 9; margin-bottom: .45rem; }
.svc-card:hover .svc-media img, .growth-card:hover .growth-thumb { filter: saturate(1.12); }
.svc-media img, .growth-thumb { transition: filter .35s ease; }

.page-hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(2rem, 4.5vw, 3.6rem); align-items: center; }
.page-hero-copy { min-width: 0; }
.page-hero-media { margin: 0; position: relative; }
.page-hero-media img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: var(--radius-lg); border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.page-hero-media::after {
  content: ""; position: absolute; inset: 0; border-radius: var(--radius-lg);
  background: linear-gradient(145deg, var(--glow), transparent 55%);
  mix-blend-mode: screen; pointer-events: none;
}
@media (max-width: 880px) {
  .page-hero-grid { grid-template-columns: 1fr; }
  .page-hero-media { order: 2; }
}