/* SKS Technologies — "SKS Clean Technology" design system
   Layout concept: calm white space, one clear message per section, every section paired
   with an original visual. Electric blue for action; green, violet and cyan only in art. */

:root {
  --bg: #FFFFFF;
  --bg-alt: #F6F7F9;
  --surface: #FFFFFF;
  --ink: #14171F;
  --text: #3A4150;
  --muted: #5B6372;
  --line: #E4E7EC;
  --line-strong: #CDD2DA;
  --accent: #1F5EF0;
  --accent-ink: #1A56DB;
  --on-accent: #FFFFFF;
  --accent-soft: #EEF3FF;
  --navy: #0B1F3A;
  --sky: #8AB0FF;
  --green: #0E9F6E; --green-ink: #067A55; --green-soft: #E7F7F0;
  --violet: #6D4AE8; --violet-ink: #5B3BD1; --violet-soft: #F1EDFE;
  --cyan: #0B85A8; --cyan-ink: #08718F; --cyan-soft: #E6F6FA;
  --attention: #E2711D; --attention-ink: #B54708; --attention-soft: #FEF3E7;
  --dot: rgba(20, 23, 31, .10);
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px -12px rgba(16, 24, 40, .14);
  --shadow-lg: 0 2px 6px rgba(16, 24, 40, .05), 0 24px 48px -20px rgba(16, 24, 40, .22);

  --font-head: "Manrope", "Noto Sans Bengali", "Noto Sans Devanagari", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Noto Sans Bengali", "Noto Sans Devanagari", "Segoe UI", system-ui, sans-serif;
  --font-mono: "Inter", "Noto Sans Bengali", ui-monospace, Menlo, monospace;

  --r: 20px; --r-md: 14px; --r-sm: 10px;
  --wrap: 1200px; --gutter: 24px;
  --sp-1: .5rem; --sp-2: 1rem; --sp-3: 1.5rem; --sp-4: 2.5rem; --sp-5: 4rem; --sp-6: 6rem;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0D1117; --bg-alt: #11161F; --surface: #151A23; --ink: #F2F4F8; --text: #C9D0DC; --muted: #A3ACBB;
    --line: #262D3A; --line-strong: #364052; --accent: #8AB0FF; --accent-ink: #9DBCFF; --on-accent: #0D1117; --accent-soft: #17233D;
    --navy: #0B1F3A; --sky: #8AB0FF;
    --green: #3CCB95; --green-ink: #5ED8A9; --green-soft: #12291F; --violet: #A28BFF; --violet-ink: #B6A3FF; --violet-soft: #221C3D;
    --cyan: #4CC3E3; --cyan-ink: #6ED0EA; --cyan-soft: #0F2A33; --attention: #F79A5B; --attention-ink: #F9AE7C; --attention-soft: #2A1A10;
    --dot: rgba(242, 244, 248, .08);
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px -12px rgba(0, 0, 0, .6);
    --shadow-lg: 0 2px 6px rgba(0, 0, 0, .3), 0 24px 48px -20px rgba(0, 0, 0, .7);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0D1117; --bg-alt: #11161F; --surface: #151A23; --ink: #F2F4F8; --text: #C9D0DC; --muted: #A3ACBB;
  --line: #262D3A; --line-strong: #364052; --accent: #8AB0FF; --accent-ink: #9DBCFF; --on-accent: #0D1117; --accent-soft: #17233D;
  --navy: #0B1F3A; --sky: #8AB0FF;
  --green: #3CCB95; --green-ink: #5ED8A9; --green-soft: #12291F; --violet: #A28BFF; --violet-ink: #B6A3FF; --violet-soft: #221C3D;
  --cyan: #4CC3E3; --cyan-ink: #6ED0EA; --cyan-soft: #0F2A33; --attention: #F79A5B; --attention-ink: #F9AE7C; --attention-soft: #2A1A10;
  --dot: rgba(242, 244, 248, .08);
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px -12px rgba(0, 0, 0, .6);
  --shadow-lg: 0 2px 6px rgba(0, 0, 0, .3), 0 24px 48px -20px rgba(0, 0, 0, .7);
  color-scheme: dark;
}

/* ---------------- Base ---------------- */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 1.0625rem/1.65 var(--font-body); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; }
a { color: var(--accent-ink); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--ink); margin: 0; line-height: 1.12; text-wrap: balance; letter-spacing: -.022em; }
h1 { font-size: clamp(2.3rem, 5.2vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.75rem); font-weight: 800; }
h3 { font-size: 1.22rem; font-weight: 700; letter-spacing: -.01em; }
h4 { font-size: 1.02rem; font-weight: 700; }
p { margin: 0; max-width: 64ch; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--surface); color: var(--ink); padding: 10px 14px; border-radius: 10px; }
.skip:focus { left: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font: 700 .78rem/1.2 var(--font-body); letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink); }
.eyebrow::before { content: ""; width: 18px; height: 2px; border-radius: 2px; background: currentColor; }
.lead { font-size: clamp(1.08rem, 1.5vw, 1.25rem); color: var(--muted); line-height: 1.6; }
.num { font-variant-numeric: tabular-nums; }
.ico { width: 22px; height: 22px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---------------- Buttons ---------------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 12px 22px; border-radius: 999px;
  font: 650 1rem/1.1 var(--font-body); text-decoration: none; cursor: pointer; border: 1.5px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease; }
.btn .ico { width: 18px; height: 18px; transition: transform .15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn:hover .ico-arrow { transform: translateX(3px); }
.btn-primary { background: var(--accent); color: var(--on-accent); box-shadow: 0 6px 16px -8px color-mix(in srgb, var(--accent) 70%, transparent); }
.btn-primary:hover { box-shadow: 0 10px 22px -10px color-mix(in srgb, var(--accent) 80%, transparent); }
.btn-secondary { background: var(--surface); color: var(--ink); border-color: var(--line-strong); }
.btn-secondary:hover { border-color: var(--ink); }
.btn-ghost { background: transparent; color: var(--accent-ink); padding-inline: 4px; min-height: 40px; }
.btn-sm { min-height: 40px; padding: 8px 16px; font-size: .94rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 650; text-decoration: none; color: var(--accent-ink); }
.link-arrow .ico { width: 16px; height: 16px; transition: transform .15s ease; }
.link-arrow:hover .ico { transform: translateX(3px); }

/* ---------------- Header ---------------- */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 30; background: color-mix(in srgb, var(--bg) 92%, transparent);
  border-bottom: 1px solid transparent; transition: border-color .2s ease, box-shadow .2s ease; }
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 20px -16px rgba(16, 24, 40, .35); }
.header-row { display: flex; align-items: center; gap: var(--sp-2); min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; flex: none; }
.brand img { width: 38px; height: 38px; border-radius: 10px; }
.brand-name { display: grid; line-height: 1.05; }
.brand-name b { font: 800 1.08rem var(--font-head); letter-spacing: -.01em; }
.brand-name small { font: 500 .68rem var(--font-body); color: var(--muted); margin-top: 3px; letter-spacing: .02em; }
.nav-main { margin-inline: auto; }
.nav-main { display: flex; align-items: center; align-self: stretch; }
.nav-list { display: flex; align-items: center; gap: 2px; margin: 0; }
.nav-list li { display: flex; }
.nav-list a { display: inline-flex; align-items: center; justify-content: center; height: 40px; padding: 0 12px; line-height: 1;
  border-radius: 999px; border: 1px solid transparent; color: var(--text); text-decoration: none; font-weight: 600; font-size: .95rem;
  white-space: nowrap; transition: background-color .15s ease, color .15s ease, border-color .15s ease; }
.nav-list a:hover { color: var(--accent-ink); background: color-mix(in srgb, var(--accent) 14%, transparent); border-color: color-mix(in srgb, var(--accent) 22%, transparent); }
.nav-list a[aria-current="page"] { color: var(--on-accent); background: var(--accent); border-color: var(--accent);
  font-weight: 700; box-shadow: 0 4px 12px -4px color-mix(in srgb, var(--accent) 60%, transparent); }
.nav-list a[aria-current="page"]:hover { color: var(--on-accent); background: var(--accent-ink); }
.nav-list a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
/* Bengali / Devanagari glyphs sit high in a 1.0 line box: give them a taller box and nudge to optical centre */
:lang(bn) .nav-list a, :lang(hi) .nav-list a { line-height: 1.3; padding-top: 2px; }
.lang-pill { line-height: 1; }
.header-cta { display: flex; gap: 8px; align-items: center; flex: none; }
.menu-toggle { display: none; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--ink); cursor: pointer; }
.menu-toggle .bars { display: grid; gap: 4px; width: 18px; }
.menu-toggle .bars span { height: 2px; background: currentColor; border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.menu-toggle[aria-expanded="true"] .bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .bars span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.mobile-panel { position: fixed; inset: calc(72px + env(safe-area-inset-top, 0px)) 0 0 0; z-index: 29; background: var(--bg);
  padding: var(--sp-2) var(--gutter) calc(var(--sp-4) + env(safe-area-inset-bottom, 0px)); overflow-y: auto; border-top: 1px solid var(--line); }
.mobile-panel ul { display: grid; gap: 4px; }
.mobile-panel a.m-link { display: flex; justify-content: space-between; align-items: center; min-height: 54px; padding: 0 16px; border-radius: var(--r-md);
  color: var(--ink); text-decoration: none; font: 700 1.15rem var(--font-head); }
.mobile-panel a.m-link:hover, .mobile-panel a.m-link[aria-current="page"] { background: var(--accent-soft); color: var(--accent-ink); }
.mobile-panel .m-actions { display: grid; gap: 10px; margin-top: var(--sp-3); }
.mobile-panel .m-actions .btn { width: 100%; }
body.menu-open { overflow: hidden; }

/* ---------------- Sections ---------------- */
.section { padding-block: var(--sp-6); }
.section-sm { padding-block: var(--sp-5); }
.section-alt { background: var(--bg-alt); }
.sec-head { display: grid; gap: 14px; margin-bottom: var(--sp-5); max-width: 760px; }
.sec-head.center { margin-inline: auto; text-align: center; justify-items: center; }
.sec-head p { color: var(--muted); font-size: 1.1rem; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--sp-5); align-items: center; }
.split > * { min-width: 0; }
.stack { display: grid; gap: var(--sp-2); align-content: start; }
.stack-lg { display: grid; gap: var(--sp-3); align-content: start; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: clamp(22px, 2.6vw, 30px); }
.card-hover { transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.card-hover:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--line-strong); }
.tile-ico { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; flex: none; }
.tone-blue { background: var(--accent-soft); color: var(--accent-ink); }
.tone-green { background: var(--green-soft); color: var(--green-ink); }
.tone-violet { background: var(--violet-soft); color: var(--violet-ink); }
.tone-cyan { background: var(--cyan-soft); color: var(--cyan-ink); }
.tone-orange { background: var(--attention-soft); color: var(--attention-ink); }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: 999px; font: 650 .78rem/1.2 var(--font-body); }
.label-ill { display: inline-flex; padding: 3px 9px; border: 1px dashed var(--muted); border-radius: 999px; font: 600 .68rem var(--font-body); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }

/* ---------------- Hero ---------------- */
.hero { position: relative; padding-block: clamp(2.5rem, 6vw, 5rem) var(--sp-5); overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: radial-gradient(var(--dot) 1.1px, transparent 1.2px); background-size: 24px 24px;
  mask-image: radial-gradient(ellipse 70% 70% at 70% 40%, #000 30%, transparent 75%); -webkit-mask-image: radial-gradient(ellipse 70% 70% at 70% 40%, #000 30%, transparent 75%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr); gap: var(--sp-4); align-items: center; }
.hero-copy { display: grid; gap: var(--sp-3); }
.hero-copy h1 { max-width: 15ch; }
.hero-note { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--muted); font-size: .94rem; }
.hero-note span { display: inline-flex; align-items: center; gap: 6px; }
.hero-note .ico { width: 18px; height: 18px; color: var(--green-ink); }
.hero-art { position: relative; }

.strip { border-block: 1px solid var(--line); background: var(--bg); }
.strip-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 22px; padding-block: 20px; }
.strip-row li { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); font-weight: 600; font-size: .93rem; }
.strip-row .tile-ico { width: 34px; height: 34px; border-radius: 10px; }
.strip-row .tile-ico .ico { width: 18px; height: 18px; }

/* ---------------- Artwork ---------------- */
.art { display: block; width: 100%; height: auto; }
.art text { font-family: var(--font-body); }
.art .a-surf { fill: var(--surface); stroke: var(--line); stroke-width: 1.2; }
.art .a-surf-f { fill: var(--surface); }
.art .a-alt { fill: var(--bg-alt); }
.art .a-shadow { fill: var(--ink); opacity: .06; }
.art .a-line { stroke: var(--line); stroke-width: 1.2; }
.art .a-dot { fill: var(--line-strong); }
.art .a-bar { fill: var(--line); }
.art .a-ink-bar { fill: var(--ink); opacity: .78; }
.art .a-blue { fill: var(--accent); } .art .a-blue-s { fill: var(--accent-soft); }
.art .a-green { fill: var(--green); } .art .a-green-s { fill: var(--green-soft); }
.art .a-violet { fill: var(--violet); } .art .a-violet-s { fill: var(--violet-soft); }
.art .a-cyan { fill: var(--cyan); } .art .a-cyan-s { fill: var(--cyan-soft); }
.art .a-orange { fill: var(--attention); } .art .a-orange-s { fill: var(--attention-soft); }
.art .a-navy { fill: #0B1F3A; } .art .a-sky-s { fill: rgba(138, 176, 255, .18); }
.art [class*="a-st-"] { fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.art .a-st-blue { stroke: var(--accent); } .art .a-st-green { stroke: var(--green); } .art .a-st-violet { stroke: var(--violet); }
.art .a-st-cyan { stroke: var(--cyan); } .art .a-st-muted { stroke: var(--line-strong); } .art .a-st-on { stroke: #FFFFFF; stroke-width: 2.6; }
.art .a-st-sky { stroke: #8AB0FF; stroke-width: 3.5; }
.art .a-link { fill: none; stroke: var(--line-strong); stroke-width: 1.6; stroke-dasharray: 4 5; }
.art .a-flow { fill: none; stroke: var(--accent); stroke-width: 2.4; stroke-linecap: round; stroke-dasharray: 10 200; stroke-dashoffset: 210; opacity: 0; }
.art .a-route { fill: none; stroke: var(--accent); stroke-width: 2.4; stroke-dasharray: 6 7; }
.art .a-lbl { font-size: 11px; font-weight: 650; fill: var(--ink); }
.art .a-txt { font-size: 12px; font-weight: 550; fill: var(--ink); }
.art .a-h { font: 800 13px var(--font-head); fill: var(--ink); }
.art .a-menu { font-size: 11px; font-weight: 600; fill: #C9D2E3; }
.art .a-url { font-size: 9px; font-weight: 600; fill: var(--muted); }
.art .a-big { font: 800 64px var(--font-head); fill: var(--accent); }
.art .a-on-t { fill: #FFFFFF; }
.art .a-blue-t { fill: var(--accent-ink); } .art .a-green-t { fill: var(--green-ink); } .art .a-violet-t { fill: var(--violet-ink); }
.art .a-cyan-t { fill: var(--cyan-ink); } .art .a-orange-t { fill: var(--attention-ink); }
.art .a-trend { stroke-width: 2.4; }
@media (prefers-reduced-motion: no-preference) {
  .art .a-flow { animation: a-flow 3.2s ease-in-out infinite; }
  @keyframes a-flow { 0% { stroke-dashoffset: 210; opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { stroke-dashoffset: 0; opacity: 0; } }
  .art .a-float { animation: a-float 6s ease-in-out infinite; }
  @keyframes a-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
  .art .a-pulse { animation: a-pulse 2.8s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
  @keyframes a-pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }
  .art .a-grow { animation: a-grow 1s cubic-bezier(.2, .8, .3, 1) both; transform-box: fill-box; transform-origin: bottom; }
  @keyframes a-grow { from { transform: scaleY(.1); } to { transform: none; } }
  .art .a-grow-x { animation: a-growx 1.1s cubic-bezier(.2, .8, .3, 1) both; transform-box: fill-box; transform-origin: left; }
  @keyframes a-growx { from { transform: scaleX(.05); } to { transform: none; } }
  .art .a-hop { animation: a-hop 2.2s cubic-bezier(.3, .7, .4, 1) infinite; }
  @keyframes a-hop { 0%, 100% { transform: translateY(0); } 40% { transform: translateY(-8px); } }
  .art .a-toast { animation: a-toast 3.2s ease-out infinite; }
  @keyframes a-toast { 0%, 40% { opacity: 0; transform: translateY(6px); } 52%, 90% { opacity: 1; transform: none; } 100% { opacity: 0; } }
  .art .a-pop { animation: a-pop 3.2s ease-out infinite; transform-box: fill-box; transform-origin: center; }
  @keyframes a-pop { 0%, 55% { transform: scale(.6); opacity: 0; } 65% { transform: scale(1.08); opacity: 1; } 75%, 100% { transform: none; opacity: 1; } }
  .art .a-spin { animation: a-spin 14s linear infinite; transform-origin: 160px 100px; }
  @keyframes a-spin { to { transform: rotate(360deg); } }
  .art .a-row { animation: a-rowin .6s ease-out both; }
  @keyframes a-rowin { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: none; } }
  .art .a-route { animation: a-route 2s linear infinite; }
  @keyframes a-route { to { stroke-dashoffset: -26; } }
}
.art-frame { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--r); padding: clamp(14px, 2vw, 24px); position: relative; }
.art-frame .label-ill { position: absolute; top: 12px; right: 12px; background: var(--surface); }

/* ---------------- What we build (service cards) ---------------- */
.svc-cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.svc-cta { background: var(--accent-soft); border-color: transparent; justify-content: center; }
.svc-cta .svc-body { padding: 26px; gap: 12px; height: 100%; }
.svc-cta p { color: var(--text); }
.svc-card { display: flex; flex-direction: column; gap: 14px; padding: 0; overflow: hidden; text-decoration: none; color: inherit; }
.svc-card .svc-art { background: var(--bg-alt); border-bottom: 1px solid var(--line); padding: 16px 18px 10px; }
.svc-card .svc-body { display: grid; gap: 10px; padding: 4px 24px 24px; flex: 1; align-content: start; }
.svc-card p { color: var(--muted); font-size: .98rem; }
.svc-card .link-arrow { margin-top: auto; }
.svc-card .from { font-weight: 700; color: var(--ink); font-size: .92rem; }

/* ---------------- Problems → software ---------------- */
.pairs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.pair { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: 10px; padding: 18px; }
.pair .side { display: grid; justify-items: center; text-align: center; gap: 8px; font-weight: 650; color: var(--ink); font-size: .95rem; }
.pair .side small { font-weight: 600; font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.pair .arrow { color: var(--accent-ink); }
.pair .arrow .ico { width: 26px; height: 26px; }

/* ---------------- Process ---------------- */
.process { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 12px; position: relative; counter-reset: st; }
.process::before { content: ""; position: absolute; left: 6%; right: 6%; top: 27px; height: 2px; background: linear-gradient(90deg, var(--accent), var(--violet)); opacity: .35; }
.step { counter-increment: st; display: grid; justify-items: center; text-align: center; gap: 10px; position: relative; }
.step .dot { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 18px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); color: var(--accent-ink); }
.step .n { font: 700 .74rem var(--font-body); color: var(--muted); letter-spacing: .06em; }
.step .n::before { content: counter(st, decimal-leading-zero); }
.step b { font: 750 1.02rem var(--font-head); color: var(--ink); }
.step span { font-size: .9rem; color: var(--muted); }

/* ---------------- Work cards ---------------- */
.work-card { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 0; padding: 0; overflow: hidden; }
.work-card .work-art { background: var(--bg-alt); padding: clamp(18px, 3vw, 34px); display: grid; align-items: center; border-right: 1px solid var(--line); position: relative; }
.work-card .work-body { padding: clamp(24px, 3vw, 40px); display: grid; gap: 14px; align-content: center; }
.work-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.work-facts { display: grid; gap: 12px; }
.work-facts div { display: grid; gap: 2px; }
.work-facts dt { font: 700 .72rem var(--font-body); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.work-facts dd { margin: 0; color: var(--ink); }

/* ---------------- Tech ---------------- */
.tech { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.tech-group { display: grid; gap: 12px; align-content: start; padding: 22px; }
.tech-group h3 { display: flex; align-items: center; gap: 10px; font-size: 1.02rem; }
.tech-group .tile-ico { width: 36px; height: 36px; border-radius: 11px; }
.tech-group .tile-ico .ico { width: 18px; height: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { padding: 6px 11px; border-radius: 999px; background: var(--bg-alt); border: 1px solid var(--line); color: var(--ink); font-size: .86rem; font-weight: 550; }

/* ---------------- AI section ---------------- */
.ai-wrap { display: grid; gap: var(--sp-4); }
.usecases { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.usecase { display: grid; gap: 10px; padding: 20px; align-content: start; }
.usecase p { font-size: .94rem; color: var(--muted); }

/* ---------------- Why / industries ---------------- */
.why-card, .ind-card { display: grid; gap: 12px; align-content: start; }
.why-card p, .ind-card p { color: var(--muted); font-size: .98rem; }
.ind-card .solves { display: grid; gap: 6px; padding-top: 12px; border-top: 1px solid var(--line); }
.ind-card .solves li { display: grid; grid-template-columns: 18px 1fr; gap: 8px; font-size: .92rem; color: var(--ink); }
.ind-card .solves .ico { width: 18px; height: 18px; color: var(--green-ink); margin-top: 2px; }

/* ---------------- Pricing ---------------- */
.price-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.price-card { display: flex; flex-direction: column; gap: 16px; position: relative; }
.price-card.featured { border: 2px solid var(--accent); box-shadow: var(--shadow-lg); }
.price-card .badge { position: absolute; top: -13px; left: 24px; background: var(--accent); color: var(--on-accent); }
.price-card .for { color: var(--muted); font-size: .95rem; }
.price { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.price small { color: var(--muted); font-weight: 600; }
.price strong { font: 800 2.1rem var(--font-head); color: var(--ink); letter-spacing: -.02em; }
.inc, .exc { display: grid; gap: 9px; }
.inc li, .exc li { display: grid; grid-template-columns: 20px 1fr; gap: 10px; font-size: .95rem; color: var(--ink); }
.inc .ico { width: 20px; height: 20px; color: var(--green-ink); }
.exc li { color: var(--muted); }
.exc .ico { width: 20px; height: 20px; color: var(--muted); }
.price-card .btn { margin-top: auto; }
.price-note { margin-top: 18px; color: var(--muted); font-size: .92rem; }
.amc-table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); }
.amc-table { width: 100%; border-collapse: collapse; font-size: .98rem; min-width: 600px; }
.amc-table th, .amc-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--line); }
.amc-table tbody tr:last-child > * { border-bottom: 0; }
.amc-table thead th { font: 750 1.02rem var(--font-head); color: var(--ink); background: var(--bg-alt); }
.amc-table thead th:first-child { font: 700 .74rem var(--font-body); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.amc-table tbody th { font-weight: 600; color: var(--ink); }
.amc-table .hl { background: var(--accent-soft); }
.amc-table thead .hl { background: var(--accent); color: var(--on-accent); }
.amc-cards { display: none; gap: 14px; }
.amc-card dl { margin: 0; display: grid; }
.amc-card dl div { display: flex; justify-content: space-between; gap: 14px; padding: 10px 0; border-top: 1px solid var(--line); font-size: .95rem; }
.amc-card dt { color: var(--muted); }
.amc-card dd { margin: 0; font-weight: 650; color: var(--ink); text-align: right; }
.amc-card.hl { border: 2px solid var(--accent); }

/* ---------------- FAQ ---------------- */
.faq { display: grid; gap: 10px; max-width: 860px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 18px 20px; font: 700 1.04rem var(--font-head); color: var(--ink); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ico { transition: transform .2s ease; color: var(--accent-ink); }
.faq details[open] summary .ico { transform: rotate(45deg); }
.faq .answer { padding: 0 20px 20px; color: var(--text); display: grid; gap: 10px; }

/* ---------------- CTA band ---------------- */
.cta-band { background: var(--navy); color: #C9D2E3; border-radius: calc(var(--r) + 8px); padding: clamp(32px, 5vw, 64px); display: grid;
  grid-template-columns: minmax(0, 1.4fr) auto; gap: var(--sp-4); align-items: center; position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; border-radius: 50%;
  border: 40px solid rgba(138, 176, 255, .12); pointer-events: none; }
.cta-band h2 { color: #FFFFFF; }
.cta-band p { color: #C9D2E3; font-size: 1.08rem; }
.cta-band .btn-primary { background: #FFFFFF; color: #0B1F3A; box-shadow: none; }
.cta-band .btn-secondary { background: transparent; color: #FFFFFF; border-color: rgba(255, 255, 255, .45); }
.cta-band .btn-secondary:hover { border-color: #FFFFFF; }
.ctx-cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-top: var(--sp-4);
  padding: 20px 24px; border: 1px dashed var(--line-strong); border-radius: var(--r-md); }
.ctx-cta p { font-weight: 650; color: var(--ink); }

/* ---------------- Inner page hero, breadcrumbs ---------------- */
.page-hero { padding-block: clamp(2rem, 5vw, 4rem) var(--sp-5); border-bottom: 1px solid var(--line); background: linear-gradient(180deg, var(--bg-alt), var(--bg)); }
.page-hero .split { align-items: center; }
.page-hero .stack-lg { max-width: 640px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 6px; font-size: .86rem; color: var(--muted); margin-bottom: var(--sp-2); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--accent-ink); text-decoration: underline; }
.crumbs li + li::before { content: "/"; margin-right: 6px; color: var(--line-strong); }
.crumbs [aria-current] { color: var(--ink); font-weight: 600; }

/* ---------------- Detail blocks ---------------- */
.feature-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.feature-list li { display: grid; grid-template-columns: 24px 1fr; gap: 12px; align-items: start; padding: 16px 18px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); color: var(--ink); font-weight: 550; }
.feature-list .ico { color: var(--accent-ink); }
.facts-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.fact { display: grid; gap: 4px; padding: 20px; }
.fact b { font: 800 1.6rem var(--font-head); color: var(--ink); letter-spacing: -.02em; }
.fact span { color: var(--muted); font-size: .92rem; }

/* ---------------- Prose (guides, legal) ---------------- */
.prose { max-width: 740px; display: grid; gap: 18px; }
.prose h2 { font-size: clamp(1.4rem, 2.4vw, 1.75rem); margin-top: 14px; }
.prose h3 { margin-top: 6px; }
.prose ul { display: grid; gap: 8px; padding-left: 1.2em; list-style: disc; }
.prose ol { display: grid; gap: 8px; padding-left: 1.3em; list-style: decimal; }
.prose li::marker { color: var(--accent-ink); }
.prose .meta { color: var(--muted); font-size: .92rem; }
.callout { padding: 18px 20px; border-radius: var(--r-md); background: var(--accent-soft); color: var(--ink); }
.guide-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.guide-card { display: grid; gap: 12px; text-decoration: none; color: inherit; align-content: start; }
.guide-card p { color: var(--muted); }

/* ---------------- Contact ---------------- */
.quick { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.quick a { display: flex; align-items: center; gap: 12px; padding: 16px; text-decoration: none; color: var(--ink); font-weight: 650; }
.quick a small { display: block; color: var(--muted); font-weight: 500; font-size: .84rem; overflow-wrap: anywhere; }
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: var(--sp-4); align-items: start; }
.form-card { display: grid; gap: 18px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.field { display: grid; gap: 6px; align-content: start; }
.field label, .field legend { font-weight: 650; color: var(--ink); font-size: .95rem; }
.field .opt { color: var(--muted); font-weight: 500; font-size: .85rem; }
.field input, .field select, .field textarea { font: inherit; font-size: 1rem; color: var(--ink); background: var(--bg); border: 1.5px solid var(--line-strong);
  border-radius: 12px; padding: 12px 14px; width: 100%; min-height: 48px; }
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { border-color: var(--accent); outline-offset: 1px; }
.field [aria-invalid="true"] { border-color: var(--attention); background: var(--attention-soft); }
.err { display: flex; gap: 6px; align-items: center; color: var(--attention-ink); font-size: .88rem; font-weight: 600; margin: 0; }
.err .ico { width: 16px; height: 16px; }
.modes { border: 0; padding: 0; margin: 0; display: grid; gap: 10px; }
.mode-opts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.mode-opt { position: relative; }
.mode-opt input { position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0; pointer-events: none; }
.mode-opt label { display: grid; justify-items: center; text-align: center; gap: 6px; padding: 14px 8px; border: 1.5px solid var(--line-strong); border-radius: 14px;
  background: var(--bg); cursor: pointer; font-weight: 650; font-size: .9rem; color: var(--ink); min-height: 92px; align-content: center; }
.mode-opt label .ico { width: 24px; height: 24px; color: var(--accent-ink); }
.mode-opt input:checked + label { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent); }
.mode-opt input:focus-visible + label { outline: 3px solid var(--accent); outline-offset: 2px; }
.slot-box { display: grid; gap: 14px; padding: 18px; border-radius: 14px; background: var(--bg-alt); border: 1px solid var(--line); }
.slot-box .form-grid { gap: 12px; }
.check { display: grid; grid-template-columns: 22px 1fr; gap: 10px; align-items: start; font-size: .92rem; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--accent); }
.form-note { font-size: .9rem; color: var(--muted); }
.form-done { display: grid; gap: 12px; padding: 24px; border-radius: var(--r-md); background: var(--green-soft); color: var(--ink); }
.side-stack { display: grid; gap: 16px; }
.ai-card { display: grid; gap: 14px; background: var(--navy); color: #C9D2E3; border: 0; }
.ai-card h3 { color: #FFFFFF; display: flex; align-items: center; gap: 10px; }
.ai-card h3 img { width: 34px; height: 34px; border-radius: 10px; }
.ai-card p { color: #C9D2E3; }
.ai-q { display: grid; gap: 8px; }
.ai-q button { text-align: left; padding: 11px 14px; border-radius: 12px; border: 1px solid rgba(255, 255, 255, .2); background: rgba(255, 255, 255, .06);
  color: #FFFFFF; font: 600 .94rem var(--font-body); cursor: pointer; }
.ai-q button:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .4); }
.map-card { padding: 0; overflow: hidden; }
.map-card .map-ph { display: grid; place-items: center; gap: 10px; height: 200px; background: var(--bg-alt); text-align: center; padding: 16px;
  background-image: radial-gradient(var(--dot) 1px, transparent 1.1px); background-size: 16px 16px; }
.map-card iframe { display: block; width: 100%; height: 260px; border: 0; }
.map-card .map-body { padding: 18px; display: grid; gap: 6px; font-size: .95rem; }

/* ---------------- Footer ---------------- */
.site-footer { background: var(--bg-alt); border-top: 1px solid var(--line); padding-block: var(--sp-5) calc(var(--sp-4) + 80px); font-size: .95rem; }
.foot-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(4, minmax(0, 1fr)); gap: var(--sp-3); }
.foot-grid h2 { font: 700 .76rem var(--font-body); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.foot-grid ul { display: grid; gap: 8px; }
.foot-grid a { color: var(--text); text-decoration: none; }
.foot-grid a:hover { color: var(--accent-ink); text-decoration: underline; }
.foot-brand p { color: var(--muted); margin-top: 12px; max-width: 34ch; }
.foot-contact { display: grid; gap: 6px; margin-top: 16px; }
.legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; margin-top: var(--sp-4); padding-top: var(--sp-3); border-top: 1px solid var(--line); color: var(--muted); font-size: .88rem; }

/* ---------------- Floating WhatsApp ---------------- */
.wa-float { position: fixed; z-index: 25; right: calc(16px + env(safe-area-inset-right, 0px)); bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 52px; padding: 12px 18px 12px 14px; border-radius: 999px;
  background: #128C4A; color: #FFFFFF; text-decoration: none; font: 700 .98rem var(--font-body); box-shadow: 0 12px 26px -10px rgba(10, 30, 22, .55); }
.wa-float svg { width: 24px; height: 24px; fill: currentColor; }

/* ---------------- Reveal ---------------- */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: .001; transform: translateY(14px); transition: opacity .45s ease, transform .45s ease; }
  .js .reveal.in { opacity: 1; transform: none; }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 1220px) {
  .nav-main, .header-cta .btn-secondary { display: none; }
  .menu-toggle { display: inline-flex; }
  .header-cta { margin-left: auto; }
}
@media (max-width: 1080px) {
  .svc-cards, .tech, .grid-3, .guide-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .svc-cta .btn-row .btn { flex: 1 1 auto; }
  .usecases, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pairs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .price-cards { grid-template-columns: 1fr; max-width: 620px; }
  .foot-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .foot-grid .foot-brand { grid-column: 1 / -1; }
  .quick { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  :root { --sp-6: 4.25rem; --sp-5: 3rem; }
  .hero-grid, .split, .contact-grid, .work-card { grid-template-columns: 1fr; }
  .hero-art { max-width: 560px; margin-inline: auto; width: 100%; }
  .work-card .work-art { border-right: 0; border-bottom: 1px solid var(--line); }
  .process { grid-template-columns: 1fr; gap: 0; }
  .process::before { left: 27px; right: auto; top: 28px; bottom: 28px; width: 2px; height: auto; background: linear-gradient(180deg, var(--accent), var(--violet)); }
  .step { grid-template-columns: 56px 1fr; justify-items: start; text-align: left; column-gap: 16px; row-gap: 2px; padding-bottom: 18px; }
  .step .dot { grid-row: span 3; }
  .cta-band { grid-template-columns: 1fr; }
  .facts-row { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .amc-table-wrap { display: none; }
  .amc-cards { display: grid; }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; }
  body { font-size: 1rem; }
  .svc-cards, .tech, .grid-2, .grid-3, .grid-4, .usecases, .pairs, .guide-cards, .feature-list, .form-grid { grid-template-columns: 1fr; }
  .mode-opts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-copy .btn-row .btn, .cta-band .btn { width: 100%; }
  .brand-name small { display: none; }
  .header-cta .btn-primary { padding-inline: 14px; }
  .wa-float .wa-text { display: none; }
}
@media (max-width: 480px) { .header-cta { gap: 6px; } }
@media (max-width: 380px) {
  .quick { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media (max-width: 345px) {
  .site-header .brand-name { display: none; }
}
.cta-start .short { display: none; }

/* ---------------- Language switcher ---------------- */
.lang-switch { display: flex; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); }
.lang-pill { display: inline-flex; align-items: center; min-height: 32px; padding: 0 11px; border-radius: 999px; font-weight: 650; font-size: .86rem; color: var(--text); text-decoration: none; }
.lang-pill:hover { background: var(--bg-alt); color: var(--ink); }
.lang-pill[aria-current="true"] { background: var(--ink); color: var(--bg); }
.lang-menu { position: relative; display: none; }
.lang-menu summary { list-style: none; display: inline-flex; align-items: center; gap: 6px; height: 44px; padding: 0 12px; border: 1px solid var(--line);
  border-radius: 12px; background: var(--surface); color: var(--ink); font-weight: 700; font-size: .95rem; cursor: pointer; }
.lang-menu summary::-webkit-details-marker { display: none; }
.lang-menu summary .ico { width: 18px; height: 18px; color: var(--accent-ink); }
.lang-menu ul { position: absolute; right: 0; top: calc(100% + 6px); z-index: 40; min-width: 150px; padding: 6px; border-radius: 14px;
  background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-lg); display: grid; gap: 2px; }
.lang-menu li a { display: flex; align-items: center; min-height: 44px; padding: 0 14px; border-radius: 10px; color: var(--ink); text-decoration: none; font-weight: 650; }
.lang-menu li a:hover { background: var(--bg-alt); }
.lang-menu li a[aria-current="true"] { background: var(--accent-soft); color: var(--accent-ink); }
.m-lang { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; padding: 4px; margin-bottom: var(--sp-2); border: 1px solid var(--line); border-radius: 14px; }
.m-lang a { display: grid; place-items: center; min-height: 46px; border-radius: 10px; text-decoration: none; color: var(--ink); font-weight: 700; }
.m-lang a[aria-current="true"] { background: var(--ink); color: var(--bg); }
.lang-hint { background: var(--navy); color: #fff; }
.lang-hint .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 16px; padding-block: 10px; font-size: .95rem; }
.lang-hint a { color: #fff; font-weight: 700; padding: 6px 12px; border-radius: 999px; border: 1px solid rgba(255,255,255,.4); text-decoration: none; }
.lang-hint button { background: none; border: 0; color: #C9D2E3; cursor: pointer; font: inherit; text-decoration: underline; }
.header-cta .btn-secondary { display: none; }   /* "Let’s talk" lives in the menu and contact page; header keeps one clear CTA */
@media (max-width: 760px) {
  .lang-switch { display: none; }
  .lang-menu { display: block; }
  .header-cta .cta-start { display: none; }
}

/* ---------------- Bengali and Hindi typography ---------------- */
:root { --font-indic: "Noto Sans Bengali", "Noto Sans Devanagari"; }
:lang(bn) body, :lang(hi) body { line-height: 1.75; }
:lang(bn) h1, :lang(bn) h2, :lang(bn) h3, :lang(bn) h4,
:lang(hi) h1, :lang(hi) h2, :lang(hi) h3, :lang(hi) h4 { letter-spacing: 0; line-height: 1.3; }
:lang(bn) h1, :lang(hi) h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); }
:lang(bn) .eyebrow, :lang(hi) .eyebrow { letter-spacing: .01em; text-transform: none; font-size: .86rem; }
:lang(bn) .art text, :lang(hi) .art text { letter-spacing: 0; }

/* =====================================================================
   Website assistant (assets/chat.js)
   ===================================================================== */
.sks-chat { --sc-w: 392px; font-family: var(--font-body); }
.sks-chat .ci { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* WhatsApp button moves above the assistant launcher */
body.has-assistant .wa-float {
  bottom: calc(16px + 64px + 14px + env(safe-area-inset-bottom, 0px));
  right: calc(22px + env(safe-area-inset-right, 0px));
  width: 52px; height: 52px; min-height: 52px; padding: 0; justify-content: center;
}
body.has-assistant .wa-float .wa-text { display: none; }

.sc-launcher {
  position: fixed; z-index: 41; right: calc(16px + env(safe-area-inset-right, 0px)); bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  width: 64px; height: 64px; border-radius: 20px; border: 2px solid var(--surface); padding: 0;
  display: grid; place-items: center; cursor: pointer; background: #0B1F3A;
  box-shadow: 0 14px 30px -12px rgba(11, 31, 58, .65), 0 0 0 1px var(--line);
  transition: transform .18s ease;
}
.sc-launcher img { width: 60px; height: 60px; border-radius: 18px; display: block; }
.sc-launcher:hover { transform: translateY(-2px) scale(1.03); }
.sc-launcher:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.sc-badge {
  position: absolute; top: -7px; right: -7px; padding: 3px 6px; border-radius: 999px;
  background: var(--accent); color: var(--on-accent); border: 2px solid var(--bg);
  font: 700 .64rem/1 var(--font-mono); letter-spacing: .04em;
}
.sc-launcher::after {
  content: ""; position: absolute; inset: -2px; border-radius: 22px; border: 2px solid var(--accent);
  opacity: 0; pointer-events: none;
}
.is-open .sc-launcher .sc-badge { display: none; }
@media (prefers-reduced-motion: no-preference) {
  .sc-launcher.sc-bounce { animation: sc-bounce 1.6s cubic-bezier(.28, .84, .42, 1) 1; }
  .sc-launcher.sc-bounce::after { animation: sc-ring 1.6s ease-out 1; }
  .sc-in { animation: sc-in .26s ease-out both; }
  .sc-teaser:not([hidden]) { animation: sc-in .3s ease-out both; }
}
@keyframes sc-bounce {
  0%, 100% { transform: translateY(0); }
  12% { transform: translateY(-18px) scale(1.04, .96); }
  24% { transform: translateY(0) scale(1.06, .92); }
  36% { transform: translateY(-10px); }
  48% { transform: translateY(0) scale(1.03, .97); }
  58% { transform: translateY(-4px); }
  68% { transform: translateY(0); }
}
@keyframes sc-ring { 0% { opacity: .7; transform: scale(1); } 70% { opacity: 0; transform: scale(1.45); } 100% { opacity: 0; } }
@keyframes sc-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.sc-teaser {
  position: fixed; z-index: 40; right: calc(92px + env(safe-area-inset-right, 0px)); bottom: calc(22px + env(safe-area-inset-bottom, 0px));
  max-width: min(290px, calc(100vw - 120px)); display: flex; align-items: flex-start; gap: 4px;
  background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: 16px 16px 4px 16px;
  box-shadow: var(--shadow-lg); padding: 4px 4px 4px 2px;
}
.sc-teaser-text { flex: 1; text-align: left; background: none; border: 0; color: inherit; font: 600 .92rem/1.4 var(--font-body); padding: 10px 6px 10px 12px; cursor: pointer; border-radius: 12px; }
.sc-teaser-x { background: none; border: 0; color: var(--muted); padding: 6px; border-radius: 8px; cursor: pointer; line-height: 0; }
.sc-teaser-x .ci { width: 16px; height: 16px; }

.sc-panel {
  position: fixed; z-index: 42; right: calc(16px + env(safe-area-inset-right, 0px)); bottom: calc(94px + env(safe-area-inset-bottom, 0px));
  width: var(--sc-w); max-width: calc(100vw - 32px); height: min(660px, calc(100dvh - 120px));
  display: flex; flex-direction: column; background: var(--bg); color: var(--text);
  border: 1px solid var(--line); border-radius: 22px; overflow: hidden; box-shadow: 0 30px 70px -24px rgba(10, 25, 18, .5);
}
.sc-panel[hidden] { display: none; }
.sc-head { display: flex; align-items: center; gap: 10px; padding: 12px 12px 12px 14px; background: var(--surface); border-bottom: 1px solid var(--line); }
.sc-head > img { width: 36px; height: 36px; border-radius: 10px; flex: none; }
.sc-titles { flex: 1; min-width: 0; display: grid; }
.sc-title { font: 700 1.02rem/1.15 var(--font-head); color: var(--ink); }
.sc-sub { font: 500 .72rem/1.3 var(--font-mono); color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sc-lang { display: flex; border: 1px solid var(--line); border-radius: 999px; padding: 2px; background: var(--bg); }
.sc-lang-btn { border: 0; background: none; color: var(--muted); font: 700 .74rem/1 var(--font-body); padding: 6px 8px; border-radius: 999px; cursor: pointer; min-height: 30px; }
.sc-lang-btn[aria-pressed="true"] { background: var(--accent); color: var(--on-accent); }
.sc-icon-btn { border: 0; background: none; color: var(--muted); width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; cursor: pointer; flex: none; }
.sc-icon-btn:hover { background: var(--accent-soft); color: var(--ink); }

.sc-log { flex: 1; overflow-y: auto; overscroll-behavior: contain; padding: 16px 14px 8px; display: flex; flex-direction: column; gap: 10px; scroll-behavior: smooth; }
.sc-msg { max-width: 88%; padding: 10px 13px; border-radius: 16px; font-size: .94rem; line-height: 1.5; display: grid; gap: 6px; overflow-wrap: anywhere; }
.sc-msg p { margin: 0; max-width: none; }
.sc-msg ul { margin: 0; padding-left: 1.1em; list-style: disc; display: grid; gap: 4px; }
.sc-msg strong { color: var(--ink); }
.sc-bot { align-self: flex-start; background: var(--surface); border: 1px solid var(--line); border-bottom-left-radius: 5px; color: var(--text); }
.sc-user { align-self: flex-end; background: var(--accent); color: var(--on-accent); border-bottom-right-radius: 5px; }
.sc-warn { background: var(--attention-soft); border-color: transparent; }
.sc-good { background: var(--accent-soft); border-color: transparent; color: var(--ink); }
.sc-typing { align-self: flex-start; display: flex; gap: 4px; padding: 13px 14px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px 16px 16px 5px; }
.sc-typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); opacity: .5; }
@media (prefers-reduced-motion: no-preference) {
  .sc-typing span { animation: sc-dot 1s infinite ease-in-out; }
  .sc-typing span:nth-child(2) { animation-delay: .15s; }
  .sc-typing span:nth-child(3) { animation-delay: .3s; }
}
@keyframes sc-dot { 0%, 80%, 100% { opacity: .35; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }

.sc-cards { display: grid; gap: 10px; align-self: stretch; }
.sc-card { align-self: stretch; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 14px; display: grid; gap: 8px; font-size: .92rem; }
.sc-card h3 { font: 700 1.04rem/1.25 var(--font-head); color: var(--ink); margin: 0; }
.sc-card p { margin: 0; max-width: none; }
.sc-card-label { font: 600 .68rem var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink); }
.sc-card-sub { font-weight: 700; color: var(--ink); margin-top: 4px !important; }
.sc-reco { border: 2px solid var(--accent); }
.sc-price { font: 700 1.25rem var(--font-mono); color: var(--ink); font-variant-numeric: tabular-nums; }
.sc-reco-list { display: grid; gap: 8px; margin: 2px 0 4px; }
.sc-reco-list li { display: grid; grid-template-columns: 20px 1fr; gap: 8px; align-items: start; }
.sc-tick { width: 20px; height: 20px; border-radius: 50%; background: var(--accent); color: var(--on-accent); display: grid; place-items: center; }
.sc-tick .ci { width: 12px; height: 12px; stroke-width: 3; }
.sc-small { font-size: .84rem; }
.sc-muted { color: var(--muted); }
.sc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; padding: 9px 16px;
  border-radius: 999px; border: 2px solid var(--accent); background: var(--accent); color: var(--on-accent);
  font: 700 .92rem/1.1 var(--font-body); text-decoration: none; cursor: pointer; margin-top: 4px;
}
.sc-btn .ci { width: 16px; height: 16px; }
.sc-btn:hover { filter: brightness(1.06); text-decoration: none; }
.sc-btn[disabled] { opacity: .65; cursor: progress; }
.sc-btn-ghost { background: transparent; color: var(--accent-ink); }
.sc-btn-wa .ci { fill: none; }
.sc-wa { justify-items: start; }

.sc-lead { gap: 10px; }
.sc-field { display: grid; gap: 4px; }
.sc-field label { font-weight: 650; font-size: .86rem; color: var(--ink); }
.sc-field input {
  font: inherit; font-size: 1rem; color: var(--ink); background: var(--bg); border: 1.5px solid var(--line);
  border-radius: 10px; padding: 9px 11px; width: 100%;
}
.sc-field input:focus-visible { border-color: var(--accent); outline-offset: 1px; }
.sc-field input[aria-invalid="true"] { border-color: var(--attention); background: var(--attention-soft); }
.sc-check { display: grid; grid-template-columns: 20px 1fr; gap: 8px; align-items: start; font-size: .84rem; }
.sc-check input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--accent); }
.sc-err { color: var(--attention-ink); font-size: .82rem; font-weight: 600; margin: 0; }
.sc-err[hidden] { display: none; }
.sc-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.sc-foot { border-top: 1px solid var(--line); background: var(--surface); padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px)); display: grid; gap: 8px; }
.sc-chips { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.sc-chips:empty { display: none; }
.sc-chips::-webkit-scrollbar { display: none; }
.sc-chip {
  flex: none; border: 1.5px solid var(--line); background: var(--bg); color: var(--ink); border-radius: 999px;
  padding: 7px 12px; font: 600 .84rem/1.2 var(--font-body); cursor: pointer; white-space: nowrap; min-height: 36px;
}
.sc-chip:hover { border-color: var(--accent); color: var(--accent-ink); }
.sc-chip-strong { border-color: var(--accent); color: var(--accent-ink); background: var(--accent-soft); }
.sc-chip-opt { background: var(--surface); }
.sc-compose { display: flex; gap: 8px; align-items: flex-end; background: var(--bg); border: 1.5px solid var(--line); border-radius: 16px; padding: 5px 5px 5px 12px; }
.sc-compose:focus-within { border-color: var(--accent); }
.sc-input { flex: 1; min-width: 0; resize: none; border: 0; background: transparent; color: var(--ink); font: inherit; font-size: 1rem; line-height: 1.4; padding: 7px 0; max-height: 120px; }
.sc-input:focus { outline: none; }
.sc-input::placeholder { color: var(--muted); }
.sc-send { flex: none; width: 40px; height: 40px; border-radius: 12px; border: 0; background: var(--accent); color: var(--on-accent); display: grid; place-items: center; cursor: pointer; }
.sc-disclaimer { margin: 0; font-size: .7rem; color: var(--muted); text-align: center; max-width: none; }

@media (max-width: 640px) {
  .sc-panel {
    inset: 0; right: 0; bottom: 0; width: 100%; max-width: none; height: 100%; height: 100dvh; border-radius: 0; border: 0;
    padding-top: env(safe-area-inset-top, 0px);
  }
  body.sc-open { overflow: hidden; }
  body.sc-open .sc-launcher, body.sc-open .wa-float { display: none; }
  .sc-msg { max-width: 92%; }
  .sc-teaser { right: calc(88px + env(safe-area-inset-right, 0px)); }
}

/* ---------- Assistant: animated illustrations ---------- */
.sc-visual { margin: 0; align-self: stretch; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.sc-visual-art { background: var(--bg); background-image: radial-gradient(var(--dot) 1px, transparent 1.1px); background-size: 16px 16px; padding: 6px 4px 0; }
.sc-visual svg { display: block; width: 100%; height: auto; max-width: 100%; }
.sc-visual figcaption { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 8px 12px; font-size: .82rem; font-weight: 650; color: var(--ink); }
.sc-visual-tag { flex: none; font: 600 .62rem var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); border: 1px dashed var(--muted); border-radius: 999px; padding: 2px 7px; }
.sv text { font-family: var(--font-body); }
.sv .v-label { font-size: 10px; font-weight: 650; fill: var(--ink); }
.sv .v-sub { font-size: 9px; font-weight: 500; fill: var(--muted); }
.sv .v-head { font: 600 8px var(--font-mono); letter-spacing: .06em; fill: var(--muted); }
.sv .v-text { font-size: 10.5px; fill: var(--ink); }
.sv .v-num { font: 600 10.5px var(--font-mono); fill: var(--ink); font-variant-numeric: tabular-nums; }
.sv .v-strong { font-weight: 800; }
.sv .v-on { fill: var(--on-accent); }
.sv .v-acc { fill: var(--accent); }
.sv .v-acc-t { fill: var(--accent-ink); }
.sv .v-att { fill: var(--attention); }
.sv .v-soft { fill: var(--accent-soft); }
.sv .v-surf { fill: var(--surface); }
.sv .v-muted { fill: var(--line); }
.sv .v-ink-r { fill: var(--ink); opacity: .85; }
.sv .v-panel { fill: var(--surface); stroke: var(--line); stroke-width: 1.5; }
.sv .v-track, .sv .v-axis { stroke: var(--line); stroke-width: 2; stroke-dasharray: 4 4; fill: none; }
.sv .v-axis { stroke-dasharray: none; }
.sv .v-stroke { fill: none; stroke: var(--accent-ink); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.sv .v-stroke-att { fill: none; stroke: var(--attention); stroke-width: 2; stroke-dasharray: 3 3; }
.sv .v-check { fill: none; stroke: var(--on-accent); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.sv .v-dot { fill: var(--accent); }
.sv .v-dot-alt { fill: var(--attention); }
.sv .v-pill-att { fill: var(--attention-soft); }
.sv .v-pill-ok { fill: var(--accent-soft); }
.sv .v-pill-t-att { font: 600 8.5px var(--font-mono); fill: var(--attention-ink); }
.sv .v-pill-t-ok { font: 600 8.5px var(--font-mono); fill: var(--accent-ink); }
.sv .v-shadow { fill: var(--ink); opacity: .12; }
.sv .v-ring-bg { fill: none; stroke: var(--accent-soft); stroke-width: 8; }
.sv .v-ring { fill: none; stroke: var(--accent); stroke-width: 8; stroke-linecap: round; transform: rotate(-90deg); transform-origin: 96px 70px; }
.sv .v-wave { fill: none; stroke: var(--accent); stroke-width: 3; stroke-linecap: round; }
.sv .v-step-c { fill: var(--accent); stroke: var(--surface); stroke-width: 2; }
.sv .v-step-n { font: 700 9px var(--font-mono); fill: var(--on-accent); }
.sv .v-progress { stroke: var(--accent); stroke-width: 3; fill: none; }

@media (prefers-reduced-motion: no-preference) {
  .sv .v-run1 { animation: v-move 2.6s ease-in-out infinite; }
  .sv .v-run2 { animation: v-move 2.6s ease-in-out 1.3s infinite; }
  @keyframes v-move { 0% { transform: translateX(0); opacity: 0; } 10% { opacity: 1; } 45% { transform: translateX(52px); opacity: 1; } 50%, 100% { transform: translateX(52px); opacity: 0; } }
  .sv .v-pulse { animation: v-pulse 2.6s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
  @keyframes v-pulse { 0%, 100% { transform: scale(1); } 55% { transform: scale(1.07); } }
  .sv .v-pop { animation: v-pop 2.6s ease-out infinite; transform-box: fill-box; transform-origin: center; }
  @keyframes v-pop { 0%, 55% { transform: scale(0); opacity: 0; } 65% { transform: scale(1.2); opacity: 1; } 75%, 100% { transform: scale(1); opacity: 1; } }
  .sv .v-row { animation: v-rowin .5s ease-out both; }
  @keyframes v-rowin { from { opacity: 0; transform: translateX(-8px); } to { opacity: 1; transform: none; } }
  .sv .v-blink { animation: v-blink 1.4s ease-in-out infinite; }
  @keyframes v-blink { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
  .sv .v-grow { animation: v-grow .9s cubic-bezier(.2, .8, .3, 1) both; transform-box: fill-box; transform-origin: bottom; }
  @keyframes v-grow { from { transform: scaleY(0); } to { transform: scaleY(1); } }
  .sv .v-sync1 { animation: v-sync 1.8s ease-in-out infinite; }
  .sv .v-sync2 { animation: v-sync-back 1.8s ease-in-out .9s infinite; }
  @keyframes v-sync { 0% { transform: translateX(0); opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { transform: translateX(76px); opacity: 0; } }
  @keyframes v-sync-back { 0% { transform: translateX(0); opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { transform: translateX(-76px); opacity: 0; } }
  .sv .v-progress { stroke-dasharray: 228; animation: v-draw 3.4s ease-in-out infinite; }
  @keyframes v-draw { 0% { stroke-dashoffset: 228; } 80%, 100% { stroke-dashoffset: 0; } }
  .sv .v-step { animation: v-stepon 3.4s ease-out infinite; transform-box: fill-box; transform-origin: center; }
  @keyframes v-stepon { 0% { transform: scale(.6); opacity: .25; } 12% { transform: scale(1.15); opacity: 1; } 20%, 100% { transform: scale(1); opacity: 1; } }
  .sv .v-toast { animation: v-toast 3s ease-out infinite; }
  @keyframes v-toast { 0%, 45% { opacity: 0; transform: translateY(8px); } 55%, 90% { opacity: 1; transform: none; } 100% { opacity: 0; } }
  .sv .v-pulse-g { animation: v-pulse 1.8s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
  .sv .v-hop { animation: v-hop 1.6s cubic-bezier(.3, .7, .4, 1) infinite; }
  @keyframes v-hop { 0%, 100% { transform: translateY(0); } 40% { transform: translateY(-12px); } }
  .sv .v-spin { animation: v-spin 6s linear infinite; transform-origin: 150px 72px; }
  @keyframes v-spin { to { transform: rotate(360deg); } }
  .sv .v-ring { stroke-dasharray: 277; animation: v-ringfill 3s ease-in-out infinite; }
  @keyframes v-ringfill { 0% { stroke-dashoffset: 277; } 70%, 100% { stroke-dashoffset: 0; } }
  .sv .v-ringing { animation: v-wiggle 1.6s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
  @keyframes v-wiggle { 0%, 60%, 100% { transform: rotate(0); } 10%, 30%, 50% { transform: rotate(-7deg); } 20%, 40% { transform: rotate(7deg); } }
  .sv .v-wave { animation: v-blink 1.6s ease-in-out infinite; }
  .sv .v-wave2 { animation-delay: .3s; }

  .sc-confetti { position: absolute; left: 50%; top: 40%; width: 0; height: 0; pointer-events: none; z-index: 5; }
  .sc-confetti i { position: absolute; width: 8px; height: 12px; border-radius: 2px; animation: sc-burst 1.3s cubic-bezier(.15, .7, .3, 1) forwards; }
  .sc-confetti i.c0 { background: var(--accent); }
  .sc-confetti i.c1 { background: var(--attention); }
  .sc-confetti i.c2 { background: #E8B931; }
  @keyframes sc-burst {
    0% { transform: translate(0, 0) rotate(0); opacity: 1; }
    70% { opacity: 1; }
    100% { transform: translate(var(--x), calc(var(--y) + 140px)) rotate(var(--r)); opacity: 0; }
  }
}
.sc-log { position: relative; }
.sc-chip .sc-emo { margin-right: 4px; }
.sc-log:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; border-radius: 0; }
.sc-good { position: relative; overflow: visible; }

/* Chips: everything visible at once (no hidden sideways scrolling) */
.sc-chips {
  flex-wrap: wrap; overflow-x: visible; overflow-y: auto; max-height: 40vh;
  padding-bottom: 0; scrollbar-width: thin;
}
.sc-chip { white-space: normal; text-align: left; line-height: 1.25; }
/* Estimator answers: a clear 2-column grid of large tap targets */
.sc-chips.is-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.sc-chips.is-options .sc-chip {
  display: flex; align-items: center; gap: 8px; min-height: 46px; padding: 9px 12px;
  border-radius: 12px; font-size: .88rem; border-width: 1.5px;
}
.sc-chips.is-options .sc-chip:hover { background: var(--accent-soft); border-color: var(--accent); }
.sc-chips.is-options .sc-emo { font-size: 1.15rem; margin-right: 0; flex: none; }
@media (max-width: 340px) { .sc-chips.is-options { grid-template-columns: 1fr; } }

/* Assistant: meeting fields */
.sc-field select { font: inherit; font-size: 1rem; color: var(--ink); background: var(--bg); border: 1.5px solid var(--line-strong);
  border-radius: 10px; padding: 9px 11px; width: 100%; min-height: 42px; }
.sc-meet { display: grid; gap: 10px; padding: 12px; border-radius: 12px; background: var(--bg-alt); border: 1px solid var(--line); }
.sc-plat { display: grid; }
.sc-launcher { border-radius: 18px; }
.sc-btn-wa { background: #128C4A; border-color: #128C4A; color: #FFFFFF; }