/* ==========================================================================
   NANOTECH COMPUTERS — STYLESHEET
   Dark tech / neon accent. Single page.
   --------------------------------------------------------------------------
   1  Tokens
   2  Reset & base
   3  Typography & utilities
   4  Buttons
   5  Background effects
   6  Header & navigation
   7  Hero
   8  Stats
   9  Brand marquee
   10 Services
   11 Products
   12 Payments
   13 Why us
   14 Testimonials
   15 FAQ
   16 Contact
   17 Footer
   18 Floating UI (WhatsApp, top, toast)
   19 Reveal animations
   20 Responsive
   ========================================================================== */

/* ── 1. TOKENS ─────────────────────────────────────────────────────────── */
:root {
  /* surfaces */
  --bg:          #07080c;
  --bg-2:        #0a0c12;
  --bg-3:        #0e111a;
  --surface:     rgba(255, 255, 255, .035);
  --surface-2:   rgba(255, 255, 255, .06);
  --border:      rgba(255, 255, 255, .09);
  --border-2:    rgba(255, 255, 255, .16);

  /* text */
  --text:        #e9edf6;
  --text-2:      #b3bcd0;
  --muted:       #7d879e;

  /* accents */
  --accent:      #22d3ee;
  --accent-2:    #6366f1;
  --accent-3:    #a855f7;
  --success:     #34d399;
  --warn:        #fbbf24;

  --grad:        linear-gradient(135deg, #22d3ee 0%, #6366f1 55%, #a855f7 100%);
  --grad-soft:   linear-gradient(135deg, rgba(34,211,238,.18), rgba(99,102,241,.18));
  --grad-text:   linear-gradient(100deg, #67e8f9 0%, #818cf8 50%, #c084fc 100%);

  /* shape */
  --r-sm: 10px;
  --r:    16px;
  --r-lg: 22px;
  --r-xl: 30px;

  /* elevation */
  --shadow:      0 18px 50px -12px rgba(0, 0, 0, .7);
  --shadow-glow: 0 0 0 1px rgba(34, 211, 238, .25), 0 20px 60px -18px rgba(34, 211, 238, .35);

  /* rhythm */
  --nav-h:  74px;
  --pad:    clamp(20px, 5vw, 40px);
  --gap:    clamp(18px, 2.4vw, 30px);
  --sec-y:  clamp(72px, 10vw, 132px);
  --maxw:   1240px;

  /* type */
  --font-head: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  --ease: cubic-bezier(.22, 1, .36, 1);
}

/* ── 2. RESET & BASE ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.68;
  color: var(--text-2);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.is-locked { overflow: hidden; }

img, svg, video { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

button, input, textarea, select { font: inherit; color: inherit; }

ul, ol { list-style: none; }

::selection { background: rgba(34, 211, 238, .3); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* scrollbar */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb {
  background: #262c3d;
  border-radius: 99px;
  border: 3px solid var(--bg-2);
}
::-webkit-scrollbar-thumb:hover { background: #38405a; }

/* skip link */
.skip {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 999;
  padding: 12px 20px;
  background: var(--accent);
  color: #04202a;
  font-weight: 700;
  border-radius: var(--r-sm);
  transition: top .2s;
}
.skip:focus { top: 16px; }

/* ── 3. TYPOGRAPHY & UTILITIES ─────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--text);
  line-height: 1.12;
  letter-spacing: -.025em;
  font-weight: 700;
  text-wrap: balance;
}

h1 { font-size: clamp(2.35rem, 6.2vw, 4.4rem); }
h2 { font-size: clamp(1.85rem, 4.2vw, 3rem); }
h3 { font-size: clamp(1.12rem, 2vw, 1.4rem); }

p { text-wrap: pretty; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.section { padding-block: var(--sec-y); position: relative; }

.section--alt {
  background:
    radial-gradient(900px 480px at 15% 0%, rgba(99, 102, 241, .08), transparent 65%),
    var(--bg-2);
  border-block: 1px solid var(--border);
}

.sec-head {
  max-width: 720px;
  margin-bottom: clamp(38px, 5vw, 62px);
}
.sec-head--center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 15px 7px 11px;
  margin-bottom: 20px;
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(34, 211, 238, .07);
  border: 1px solid rgba(34, 211, 238, .22);
  border-radius: 99px;
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px 2px var(--accent);
}

.sec-head p {
  margin-top: 18px;
  font-size: 1.045rem;
  color: var(--muted);
}

.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.rule {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--border-2), transparent);
}


/* decorative line break — desktop only */
.d-br { display: inline; }
@media (max-width: 700px) { .d-br { display: none; } }

/* ── 4. BUTTONS ────────────────────────────────────────────────────────── */
.btn {
  --btn-bg: var(--surface-2);
  --btn-fg: var(--text);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1px solid var(--border-2);
  border-radius: 99px;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease),
              background .25s, border-color .25s, opacity .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn svg { width: 18px; height: 18px; flex: none; }

.btn--primary {
  --btn-fg: #041018;
  background: var(--grad);
  border-color: transparent;
  box-shadow: 0 10px 30px -10px rgba(34, 211, 238, .55);
}
.btn--primary:hover { box-shadow: 0 16px 40px -10px rgba(34, 211, 238, .7); }

.btn--ghost { background: transparent; }
.btn--ghost:hover { background: var(--surface-2); border-color: var(--accent); }

.btn--wa {
  --btn-fg: #052e16;
  background: linear-gradient(135deg, #4ade80, #22c55e);
  border-color: transparent;
  box-shadow: 0 10px 30px -12px rgba(34, 197, 94, .6);
}

.btn--sm { padding: 10px 18px; font-size: .86rem; }
.btn--block { width: 100%; }

.btn[disabled] { opacity: .45; pointer-events: none; }

/* ── 5. BACKGROUND EFFECTS ─────────────────────────────────────────────── */
.fx {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.fx__grid {
  position: absolute;
  inset: -2px;
  background-image:
    linear-gradient(rgba(255, 255, 255, .028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .028) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 25%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 25%, transparent 78%);
}

.fx__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  opacity: .5;
}
.fx__orb--1 {
  width: 620px; height: 620px;
  top: -260px; left: -140px;
  background: radial-gradient(circle, rgba(34, 211, 238, .55), transparent 68%);
  animation: drift 22s var(--ease) infinite alternate;
}
.fx__orb--2 {
  width: 700px; height: 700px;
  top: -180px; right: -220px;
  background: radial-gradient(circle, rgba(99, 102, 241, .5), transparent 68%);
  animation: drift 28s var(--ease) infinite alternate-reverse;
}
.fx__orb--3 {
  width: 520px; height: 520px;
  bottom: -220px; left: 42%;
  background: radial-gradient(circle, rgba(168, 85, 247, .32), transparent 68%);
  animation: drift 25s var(--ease) infinite alternate;
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(70px, 60px, 0) scale(1.13); }
}

/* ── 6. HEADER & NAVIGATION ────────────────────────────────────────────── */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background .35s, border-color .35s, backdrop-filter .35s, height .35s;
  border-bottom: 1px solid transparent;
}
.header.is-stuck {
  height: 64px;
  background: rgba(7, 8, 12, .82);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-bottom-color: var(--border);
}
/* without backdrop-filter the translucent bar lets text show through — go opaque */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .header.is-stuck { background: #07080c; }
  .drawer          { background: #07080c; }
}

.header__in {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
  display: flex;
  align-items: center;
  gap: 20px;
}

/* logo */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin-right: auto;
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--text);
}
.logo__mark {
  width: 38px; height: 38px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--grad);
  box-shadow: 0 6px 20px -6px rgba(34, 211, 238, .7);
}
.logo__mark svg { width: 21px; height: 21px; }
.logo__txt { display: flex; flex-direction: column; line-height: 1.06; }
.logo__txt b { font-size: 1.06rem; }
.logo__txt span {
  font-family: var(--font-body);
  font-size: .585rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
}

/* desktop nav */
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative;
  padding: 9px 14px;
  font-size: .915rem;
  font-weight: 500;
  color: var(--text-2);
  border-radius: 9px;
  transition: color .2s, background .2s;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav a:hover { color: var(--text); background: var(--surface); }
.nav a:hover::after,
.nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { color: var(--text); }

.header__cta { display: flex; align-items: center; gap: 10px; }

/* burger */
.burger {
  display: none;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
}
.burger span {
  display: block;
  position: relative;
  width: 19px; height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform .3s var(--ease), background .2s;
}
.burger span::before,
.burger span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 19px; height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform .3s var(--ease), top .25s;
}
.burger span::before { top: -6px; }
.burger span::after  { top: 6px; }
.burger[aria-expanded="true"] span { background: transparent; }
.burger[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.burger[aria-expanded="true"] span::after  { top: 0; transform: rotate(-45deg); }

/* mobile drawer */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 99;
  display: grid;
  align-content: start;
  gap: 4px;
  padding: calc(var(--nav-h) + 24px) var(--pad) 40px;
  background: rgba(7, 8, 12, .97);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-14px);
  transition: opacity .3s, transform .35s var(--ease), visibility .3s;
}
.drawer.is-open { opacity: 1; visibility: visible; transform: none; }

.drawer a {
  padding: 15px 4px;
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.drawer a:last-of-type { border-bottom: 0; }
.drawer .btn { margin-top: 22px; }

/* ── 7. HERO ───────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: min(100svh, 900px);
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-h) + clamp(40px, 7vw, 80px));
  padding-bottom: clamp(60px, 8vw, 100px);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: clamp(36px, 5vw, 68px);
  width: 100%;
}

.hero__pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 17px 8px 9px;
  margin-bottom: 26px;
  font-size: .8rem;
  font-weight: 500;
  color: var(--text-2);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 99px;
}
.hero__pill b {
  padding: 3px 10px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: #041018;
  background: var(--grad);
  border-radius: 99px;
}

.hero h1 { margin-bottom: 24px; }
.hero h1 span { display: block; }

.hero__lead {
  max-width: 55ch;
  font-size: clamp(1.02rem, 1.5vw, 1.17rem);
  color: var(--muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin-top: 38px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}
.hero__trust li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: .875rem;
  color: var(--text-2);
}
.hero__trust svg {
  width: 17px; height: 17px;
  flex: none;
  color: var(--success);
}

/* hero card cluster */
.hero__art { position: relative; }

.hcard {
  position: relative;
  padding: 26px;
  background: linear-gradient(160deg, rgba(255, 255, 255, .075), rgba(255, 255, 255, .022));
  border: 1px solid var(--border-2);
  border-radius: var(--r-xl);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}
.hcard::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(34, 211, 238, .55), transparent 42%, transparent 62%, rgba(168, 85, 247, .4));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
}

.hcard__top {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 18px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.hcard__dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 10px 2px rgba(52, 211, 153, .8);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}
.hcard__top b {
  font-family: var(--font-head);
  font-size: .96rem;
  color: var(--text);
}
.hcard__top span { margin-left: auto; font-size: .78rem; color: var(--muted); }

.hcard__rows { display: grid; gap: 11px; }
.hrow {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 13px 15px;
  background: rgba(255, 255, 255, .035);
  border: 1px solid var(--border);
  border-radius: var(--r);
  transition: transform .3s var(--ease), border-color .3s, background .3s;
}
.hrow:hover {
  transform: translateX(5px);
  border-color: rgba(34, 211, 238, .4);
  background: rgba(34, 211, 238, .06);
}
.hrow__ico {
  width: 40px; height: 40px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--grad-soft);
  border: 1px solid var(--border);
  color: var(--accent);
}
.hrow__ico svg { width: 19px; height: 19px; }
.hrow__txt { min-width: 0; }
.hrow__txt b {
  display: block;
  font-family: var(--font-head);
  font-size: .93rem;
  font-weight: 600;
  color: var(--text);
}
.hrow__txt span { font-size: .795rem; color: var(--muted); }
.hrow__tag {
  margin-left: auto;
  flex: none;
  padding: 4px 11px;
  font-size: .7rem;
  font-weight: 600;
  color: var(--success);
  background: rgba(52, 211, 153, .11);
  border: 1px solid rgba(52, 211, 153, .28);
  border-radius: 99px;
}

/* floating badge on hero art */
.hbadge {
  position: absolute;
  right: -14px;
  bottom: -22px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: rgba(10, 12, 18, .92);
  border: 1px solid var(--border-2);
  border-radius: var(--r-lg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  animation: float 5s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-11px); }
}
.hbadge__n {
  font-family: var(--font-head);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hbadge small {
  display: block;
  font-size: .74rem;
  line-height: 1.35;
  color: var(--muted);
}

/* ── 8. STATS ──────────────────────────────────────────────────────────── */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.stat {
  padding: clamp(24px, 3.4vw, 38px) 20px;
  text-align: center;
  background: var(--bg-2);
  transition: background .3s;
}
.stat:hover { background: var(--bg-3); }
.stat__n {
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 3.6vw, 2.85rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.04em;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat__l {
  margin-top: 10px;
  font-size: .83rem;
  color: var(--muted);
}

/* ── 9. BRAND MARQUEE ──────────────────────────────────────────────────── */
.marquee {
  padding-block: 30px;
  border-block: 1px solid var(--border);
  background: var(--bg-2);
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track {
  display: flex;
  gap: 62px;
  width: max-content;
  animation: scroll 38s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.marquee__item {
  font-family: var(--font-head);
  font-size: 1.32rem;
  font-weight: 600;
  letter-spacing: -.02em;
  white-space: nowrap;
  color: #4b556e;
  transition: color .3s;
}
.marquee__item:hover { color: var(--accent); }

/* ── 10. SERVICES ──────────────────────────────────────────────────────── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--gap);
}

.svc {
  position: relative;
  padding: clamp(26px, 3vw, 34px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform .35s var(--ease), border-color .35s, background .35s;
}
.svc::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px 220px at var(--mx, 50%) var(--my, 0%), rgba(34, 211, 238, .1), transparent 72%);
  opacity: 0;
  transition: opacity .4s;
  pointer-events: none;
}
.svc:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, .35);
  background: var(--surface-2);
}
.svc:hover::after { opacity: 1; }

.svc__ico {
  width: 54px; height: 54px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 15px;
  background: var(--grad-soft);
  border: 1px solid var(--border-2);
  color: var(--accent);
  transition: transform .35s var(--ease);
}
.svc:hover .svc__ico { transform: scale(1.08) rotate(-5deg); }
.svc__ico svg { width: 25px; height: 25px; }

.svc h3 { margin-bottom: 12px; }
.svc p { font-size: .945rem; color: var(--muted); }

.svc__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 20px;
  font-size: .875rem;
  font-weight: 600;
  color: var(--accent);
}
.svc__link svg { width: 15px; height: 15px; transition: transform .3s var(--ease); }
.svc__link:hover svg { transform: translateX(4px); }

/* ── 11. PRODUCTS ──────────────────────────────────────────────────────── */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 38px;
}
.filter {
  padding: 10px 20px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--text-2);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 99px;
  cursor: pointer;
  transition: all .25s;
}
.filter:hover { color: var(--text); border-color: var(--border-2); }
.filter.is-active {
  color: #041018;
  font-weight: 600;
  background: var(--grad);
  border-color: transparent;
  box-shadow: 0 8px 24px -10px rgba(34, 211, 238, .6);
}

.products {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(268px, 1fr));
  gap: var(--gap);
}

.prod {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform .35s var(--ease), border-color .35s, box-shadow .35s;
}
.prod:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, .4);
  box-shadow: var(--shadow-glow);
}
.prod.is-hidden { display: none; }

.prod__art {
  position: relative;
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 42%, rgba(34, 211, 238, .13), transparent 62%),
    linear-gradient(160deg, #12161f, #0a0c12);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.prod__art img { width: 100%; height: 100%; object-fit: cover; }
.prod__art svg {
  width: 46%;
  height: auto;
  color: var(--accent);
  filter: drop-shadow(0 8px 26px rgba(34, 211, 238, .35));
  transition: transform .45s var(--ease);
}
.prod:hover .prod__art svg { transform: scale(1.09) translateY(-4px); }

.prod__badge {
  position: absolute;
  top: 13px; left: 13px;
  padding: 5px 12px;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: #041018;
  background: var(--grad);
  border-radius: 99px;
}
.prod__off {
  position: absolute;
  top: 13px; right: 13px;
  padding: 5px 11px;
  font-size: .7rem;
  font-weight: 700;
  color: var(--success);
  background: rgba(52, 211, 153, .13);
  border: 1px solid rgba(52, 211, 153, .3);
  border-radius: 99px;
}

.prod__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 21px;
}
.prod__cat {
  font-size: .69rem;
  font-weight: 600;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--accent);
}
.prod__name {
  margin: 8px 0 14px;
  font-family: var(--font-head);
  font-size: 1.045rem;
  font-weight: 600;
  line-height: 1.32;
  color: var(--text);
}
.prod__specs {
  display: grid;
  gap: 7px;
  margin-bottom: 20px;
}
.prod__specs li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: .805rem;
  line-height: 1.45;
  color: var(--muted);
}
.prod__specs li::before {
  content: "";
  flex: none;
  width: 5px; height: 5px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--accent);
  opacity: .75;
}

.prod__foot {
  margin-top: auto;
  padding-top: 17px;
  border-top: 1px solid var(--border);
}
.prod__price {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin-bottom: 15px;
}
.prod__price b {
  font-family: var(--font-head);
  font-size: 1.42rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text);
}
.prod__price s {
  font-size: .875rem;
  color: var(--muted);
  opacity: .75;
}
.prod__price em {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-style: normal;
  font-weight: 600;
  color: var(--text);
}

.prod__btns { display: grid; grid-template-columns: 1fr auto; gap: 9px; }
.prod__ask {
  width: 44px;
  padding: 0;
  display: grid;
  place-items: center;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: 99px;
  color: var(--text-2);
  cursor: pointer;
  transition: all .25s;
}
.prod__ask:hover { color: #4ade80; border-color: rgba(74, 222, 128, .5); }
.prod__ask svg { width: 18px; height: 18px; }

/* razorpay embedded button wrapper */
.rzp-embed { display: grid; place-items: center; min-height: 44px; }
.rzp-embed .razorpay-payment-button { width: 100%; }

.products-empty {
  grid-column: 1 / -1;
  padding: 60px 20px;
  text-align: center;
  color: var(--muted);
}

/* ── 12. PAYMENTS ──────────────────────────────────────────────────────── */
.pay-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: var(--gap);
  align-items: start;
}

.paycard {
  position: relative;
  padding: clamp(26px, 3.4vw, 40px);
  background: linear-gradient(160deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .022));
  border: 1px solid var(--border-2);
  border-radius: var(--r-xl);
  overflow: hidden;
}
.paycard::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad);
}

.paycard h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.paycard h3 svg { width: 23px; height: 23px; color: var(--accent); flex: none; }
.paycard > p {
  margin-bottom: 26px;
  font-size: .93rem;
  color: var(--muted);
}

/* form fields */
.field { margin-bottom: 18px; }
.field label {
  display: block;
  margin-bottom: 8px;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--text-2);
}
.field label span { color: var(--accent); }

.input, .textarea, .select {
  width: 100%;
  padding: 14px 16px;
  font-size: .95rem;
  color: var(--text);
  background: rgba(0, 0, 0, .32);
  border: 1px solid var(--border-2);
  border-radius: var(--r-sm);
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.input::placeholder, .textarea::placeholder { color: #5c6580; }
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(0, 0, 0, .5);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, .14);
}
.textarea { min-height: 120px; resize: vertical; }
.select { appearance: none; cursor: pointer; padding-right: 42px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237d879e' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 15px center;
  background-size: 16px;
}
.select option { background: #12161f; color: var(--text); }

/* the wrapper is what the currency sign is positioned against — never the
   whole field, which also contains the error text and the amount chips */
.input-wrap { position: relative; }

.field--amount .input {
  padding-left: 40px;
  font-family: var(--font-head);
  font-size: 1.22rem;
  font-weight: 600;
}
.field--amount .cur {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--muted);
  pointer-events: none;
}

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip {
  padding: 7px 15px;
  font-size: .82rem;
  font-weight: 500;
  color: var(--text-2);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 99px;
  cursor: pointer;
  transition: all .22s;
}
.chip:hover { color: var(--accent); border-color: var(--accent); }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.pay-secure {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  font-size: .79rem;
  color: var(--muted);
}
.pay-secure svg { width: 15px; height: 15px; color: var(--success); flex: none; }

.pay-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.pay-methods span {
  padding: 6px 13px;
  font-size: .74rem;
  font-weight: 600;
  color: var(--text-2);
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--border);
  border-radius: 8px;
}

/* UPI panel */
.upi__qr {
  width: 100%;
  max-width: 210px;
  aspect-ratio: 1;
  margin: 0 auto 20px;
  display: grid;
  place-items: center;
  padding: 12px;
  background: #fff;
  border-radius: var(--r);
  overflow: hidden;
}
.upi__qr img { width: 100%; height: 100%; object-fit: contain; }
.upi__qr--empty {
  background: rgba(0, 0, 0, .3);
  border: 1px dashed var(--border-2);
  padding: 22px;
  text-align: center;
  font-size: .8rem;
  line-height: 1.5;
  color: var(--muted);
}

.upi__vpa {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 15px;
  margin-bottom: 16px;
  background: rgba(0, 0, 0, .32);
  border: 1px solid var(--border-2);
  border-radius: var(--r-sm);
}
.upi__vpa code {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: .89rem;
  color: var(--accent);
}
.copy-btn {
  flex: none;
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-2);
  cursor: pointer;
  transition: all .22s;
}
.copy-btn:hover { color: var(--accent); border-color: var(--accent); }
.copy-btn svg { width: 15px; height: 15px; }

.upi__apps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.upi__app {
  padding: 12px 6px;
  font-size: .78rem;
  font-weight: 600;
  text-align: center;
  color: var(--text-2);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all .22s;
}
.upi__app:hover { color: var(--text); border-color: var(--accent); transform: translateY(-2px); }

.pay-note {
  margin-top: 26px;
  padding: 15px 18px;
  font-size: .82rem;
  line-height: 1.6;
  color: var(--muted);
  background: rgba(251, 191, 36, .06);
  border: 1px solid rgba(251, 191, 36, .2);
  border-left: 3px solid var(--warn);
  border-radius: var(--r-sm);
}

/* ── 13. WHY US ────────────────────────────────────────────────────────── */
.why {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: var(--gap);
}
.why__item {
  padding: 28px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: transform .35s var(--ease), border-color .35s;
}
.why__item:hover { transform: translateY(-5px); border-color: rgba(34, 211, 238, .35); }
.why__n {
  font-family: var(--font-head);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--accent);
}
.why__item h3 { margin: 14px 0 10px; font-size: 1.09rem; }
.why__item p { font-size: .9rem; color: var(--muted); }

/* ── 14. TESTIMONIALS ──────────────────────────────────────────────────── */
.quotes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--gap);
}
.quote {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(26px, 3vw, 34px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: transform .35s var(--ease), border-color .35s;
}
.quote:hover { transform: translateY(-5px); border-color: rgba(168, 85, 247, .35); }
.quote__mark {
  font-family: var(--font-head);
  font-size: 3.6rem;
  line-height: .7;
  color: var(--accent);
  opacity: .28;
}
.quote__stars { display: flex; gap: 3px; margin: 16px 0 14px; }
.quote__stars svg { width: 16px; height: 16px; color: var(--warn); }
.quote p {
  flex: 1;
  font-size: .945rem;
  line-height: 1.72;
  color: var(--text-2);
}
.quote__who {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.quote__av {
  width: 44px; height: 44px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: #041018;
  background: var(--grad);
}
.quote__who b {
  display: block;
  font-family: var(--font-head);
  font-size: .95rem;
  color: var(--text);
}
.quote__who span { font-size: .8rem; color: var(--muted); }

/* ── 15. FAQ ───────────────────────────────────────────────────────────── */
.faq { max-width: 860px; margin-inline: auto; display: grid; gap: 12px; }

.faq__item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  transition: border-color .3s, background .3s;
}
.faq__item.is-open { border-color: rgba(34, 211, 238, .35); background: var(--surface-2); }

.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 21px 24px;
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 600;
  text-align: left;
  color: var(--text);
  background: none;
  border: 0;
  cursor: pointer;
}
.faq__ico {
  position: relative;
  flex: none;
  width: 26px; height: 26px;
  margin-left: auto;
  border-radius: 50%;
  border: 1px solid var(--border-2);
  transition: background .3s, border-color .3s, transform .35s var(--ease);
}
.faq__ico::before,
.faq__ico::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 11px; height: 1.5px;
  border-radius: 2px;
  background: var(--accent);
  transform: translate(-50%, -50%);
  transition: transform .3s var(--ease), opacity .3s;
}
.faq__ico::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq__item.is-open .faq__ico {
  background: var(--grad);
  border-color: transparent;
  transform: rotate(180deg);
}
.faq__item.is-open .faq__ico::before,
.faq__item.is-open .faq__ico::after { background: #041018; }
.faq__item.is-open .faq__ico::after { opacity: 0; }

.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .38s var(--ease);
}
.faq__item.is-open .faq__a { grid-template-rows: 1fr; }
.faq__a > div { overflow: hidden; }
.faq__a p {
  padding: 0 24px 24px 24px;
  font-size: .94rem;
  color: var(--muted);
}

/* ── 16. CONTACT ───────────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: var(--gap);
  align-items: start;
}

.cinfo { display: grid; gap: 13px; }
.citem {
  display: flex;
  gap: 16px;
  padding: 21px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  transition: transform .3s var(--ease), border-color .3s;
}
.citem:hover { transform: translateX(5px); border-color: rgba(34, 211, 238, .35); }
.citem__ico {
  width: 44px; height: 44px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--grad-soft);
  border: 1px solid var(--border);
  color: var(--accent);
}
.citem__ico svg { width: 19px; height: 19px; }
.citem b {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-head);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}
.citem span, .citem a {
  font-size: .95rem;
  line-height: 1.55;
  color: var(--text);
}
.citem a:hover { color: var(--accent); }

.hours { display: grid; gap: 5px; }
.hours div { display: flex; justify-content: space-between; gap: 16px; font-size: .9rem; }
.hours span:last-child { color: var(--text-2); }

.map {
  margin-top: 13px;
  height: 260px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--bg-3);
}
.map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.35) invert(.92) hue-rotate(180deg) contrast(.88); }

.cform {
  padding: clamp(26px, 3.4vw, 38px);
  background: linear-gradient(160deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02));
  border: 1px solid var(--border-2);
  border-radius: var(--r-xl);
}
.cform h3 { margin-bottom: 8px; }
.cform > p { margin-bottom: 26px; font-size: .93rem; color: var(--muted); }

.err {
  display: block;
  margin-top: 6px;
  font-size: .78rem;
  color: #f87171;
  min-height: 0;
}
.input.is-err, .textarea.is-err, .select.is-err { border-color: #f87171; }

/* ── 17. FOOTER ────────────────────────────────────────────────────────── */
.footer {
  padding-top: clamp(56px, 7vw, 84px);
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--gap);
  padding-bottom: 48px;
}
.footer__about p {
  margin: 20px 0;
  max-width: 34ch;
  font-size: .9rem;
  color: var(--muted);
}
.footer h4 {
  margin-bottom: 20px;
  font-family: var(--font-head);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text);
}
.footer__links { display: grid; gap: 11px; }
.footer__links a {
  font-size: .9rem;
  color: var(--muted);
  transition: color .22s, transform .22s;
  display: inline-block;
}
.footer__links a:hover { color: var(--accent); transform: translateX(4px); }

.socials { display: flex; gap: 10px; }
.socials a {
  width: 38px; height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  transition: all .25s;
}
.socials a:hover {
  color: #041018;
  background: var(--grad);
  border-color: transparent;
  transform: translateY(-3px);
}
.socials svg { width: 17px; height: 17px; }

.footer__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-block: 24px;
  border-top: 1px solid var(--border);
  font-size: .84rem;
  color: var(--muted);
}
.footer__bar a:hover { color: var(--accent); }

/* ── 18. FLOATING UI ───────────────────────────────────────────────────── */
.fab {
  position: fixed;
  right: 22px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 54px; height: 54px;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 12px 30px -8px rgba(0, 0, 0, .8);
  transition: transform .3s var(--ease), opacity .3s, visibility .3s;
}
.fab:hover { transform: scale(1.08); }
.fab svg { width: 26px; height: 26px; }

.fab--wa {
  bottom: 22px;
  background: linear-gradient(135deg, #4ade80, #16a34a);
  color: #fff;
}
.fab--wa::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(74, 222, 128, .55);
  animation: ring 2.4s ease-out infinite;
}
@keyframes ring {
  0%   { transform: scale(1);   opacity: .9; }
  100% { transform: scale(1.65); opacity: 0; }
}

.fab--top {
  bottom: 88px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  color: var(--text);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
}
.fab--top svg { width: 20px; height: 20px; }
.fab--top.is-on { opacity: 1; visibility: visible; }

/* toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  z-index: 120;
  display: flex;
  align-items: center;
  gap: 11px;
  max-width: calc(100vw - 40px);
  padding: 14px 22px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text);
  background: rgba(14, 17, 26, .96);
  border: 1px solid var(--border-2);
  border-radius: 99px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transform: translate(-50%, 130%);
  transition: transform .45s var(--ease);
}
.toast.is-on { transform: translate(-50%, 0); }
.toast svg { width: 18px; height: 18px; flex: none; color: var(--success); }
.toast.is-err svg { color: #f87171; }

/* ── 19. REVEAL ANIMATIONS ─────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }

/* ── 20. RESPONSIVE ────────────────────────────────────────────────────── */
@media (max-width: 1080px) {
  .hero__grid    { grid-template-columns: 1fr; }
  .hero__art     { max-width: 560px; }
  .hbadge        { right: 8px; }
  .pay-grid,
  .contact-grid  { grid-template-columns: 1fr; }
  .footer__grid  { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .nav { display: none; }
  .burger { display: flex; }
  .header__cta .btn--desk { display: none; }
}

@media (max-width: 640px) {
  :root { --nav-h: 66px; }
  .stats         { grid-template-columns: repeat(2, 1fr); }
  .field-row     { grid-template-columns: 1fr; }
  .footer__grid  { grid-template-columns: 1fr; gap: 34px; }
  .products      { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
  .hbadge        { position: static; margin-top: 16px; animation: none; }
  .header__cta .btn { display: none; }
  .footer__bar   { justify-content: center; text-align: center; }
  .marquee__track { gap: 40px; }
  .marquee__item  { font-size: 1.12rem; }
}

@media (max-width: 400px) {
  .products    { grid-template-columns: 1fr; }
  .upi__apps   { grid-template-columns: 1fr; }
}

/* ── PRINT ─────────────────────────────────────────────────────────────── */
@media print {
  .fx, .header, .fab, .toast, .marquee, .drawer { display: none !important; }
  body { background: #fff; color: #000; }
  .reveal { opacity: 1; transform: none; }
}

/* ── REDUCED MOTION ────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}