/* ==========================================================================
   Viibe — design tokens
   ========================================================================== */
:root {
  --ink: #111111;
  --ink-soft: #47483f;
  --ink-faint: #7a7b71;
  --white: #ffffff;
  --bg-soft: #f7f7f5;
  --bg-soft-2: #f0f0ec;
  --border: #e6e6e1;
  --border-strong: #d8d8d2;

  --accent: #2c4bff;
  --accent-dark: #1c34cc;
  --accent-soft: #eef1ff;
  --accent-soft-2: #dee4ff;
  --star-gold: #f2a900;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-sm: 0 1px 2px rgba(17,17,17,0.06), 0 1px 1px rgba(17,17,17,0.04);
  --shadow-md: 0 8px 24px rgba(17,17,17,0.08), 0 2px 6px rgba(17,17,17,0.05);
  --shadow-lg: 0 24px 64px rgba(17,17,17,0.14), 0 8px 24px rgba(17,17,17,0.08);
  --shadow-card: 0 30px 60px -20px rgba(17,17,17,0.35);

  --container: 1180px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
h1, h2, h3, h4 { font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

.skip-link {
  position: absolute; left: 0; top: -48px;
  background: var(--ink); color: var(--white);
  padding: 12px 20px; border-radius: 0 0 10px 0; z-index: 200;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 0; }

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow { max-width: 760px; }

section { padding: 88px 0; }
@media (max-width: 640px) { section { padding: 64px 0; } }

.eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
}
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(30px, 3.8vw, 46px); }
.section-lead { margin-top: 16px; font-size: 17px; color: var(--ink-soft); font-weight: 400; }
.section-lead--muted { color: var(--ink-faint); font-style: italic; }
.tag-soft {
  display: inline-block; margin-left: 6px; font-style: normal; font-size: 12px; font-weight: 600;
  background: var(--accent-soft); color: var(--accent-dark); padding: 3px 9px; border-radius: 999px;
  vertical-align: middle;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; font-weight: 600; font-size: 15px;
  padding: 13px 24px; transition: transform .18s var(--ease), background .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
  white-space: nowrap;
}
.btn--primary { background: var(--ink); color: var(--white); box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--accent); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--primary:active { transform: translateY(0); }
.btn--ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--border-strong); }
.btn--ghost:hover { border-color: var(--ink); background: var(--bg-soft); }
.btn--sm { padding: 9px 18px; font-size: 14px; }
.btn--lg { padding: 15px 30px; font-size: 16px; }
@media (max-width: 480px) {
  .btn--lg { width: 100%; }
}

.icon-check { color: var(--accent); flex-shrink: 0; }

/* ==========================================================================
   Navbar
   ========================================================================== */
.nav-wrap {
  position: sticky; top: 0; z-index: 100;
  padding: 16px 20px 0;
  pointer-events: none;
}
.nav-wrap > * { pointer-events: auto; }
.nav {
  max-width: calc(var(--container) - 24px);
  margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 66px; padding: 8px 10px 8px 24px;
  background: rgba(255,255,255,0.78);
  border: 1px solid var(--border);
  border-radius: 999px;
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  box-shadow: 0 1px 2px rgba(17,17,17,0.04);
  transition: box-shadow .25s var(--ease), background .25s var(--ease), transform .25s var(--ease);
}
.nav.is-scrolled {
  background: rgba(255,255,255,0.92);
  box-shadow: var(--shadow-md);
}
.nav__logo {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 800; font-size: 23px; letter-spacing: -0.03em; color: var(--ink);
}
.logo-mark { color: var(--accent); display: inline-flex; }
.nav__links { display: flex; align-items: center; gap: 32px; }
.nav__links a { font-size: 14.5px; font-weight: 600; color: var(--ink-soft); transition: color .15s; position: relative; }
.nav__links a:hover { color: var(--ink); }
.nav__actions { display: flex; align-items: center; gap: 10px; }

.nav__burger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; border-radius: 999px;
}
.nav__burger span { width: 20px; height: 2px; background: var(--ink); margin: 0 auto; transition: transform .25s var(--ease), opacity .25s var(--ease); }
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  max-width: calc(var(--container) - 24px);
  margin: 10px auto 0;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.mobile-menu__links { display: flex; flex-direction: column; padding: 14px 22px 22px; gap: 4px; }
.mobile-menu__links a:not(.btn) { padding: 12px 4px; font-weight: 500; font-size: 16px; border-bottom: 1px solid var(--bg-soft-2); }
.mobile-menu__links .btn { margin-top: 14px; }

@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .nav__actions .btn--sm { display: none; }
}
@media (min-width: 861px) { .mobile-menu { display: none !important; } }
@media (max-width: 480px) {
  .nav-wrap { padding: 12px 14px 0; }
  .nav { padding: 8px 8px 8px 18px; height: 60px; }
  .nav__logo { font-size: 20px; }
}

/* ==========================================================================
   Reveal-on-scroll
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.usecase-grid .reveal:nth-child(5n+1) { transition-delay: 0s; }
.usecase-grid .reveal:nth-child(5n+2) { transition-delay: .06s; }
.usecase-grid .reveal:nth-child(5n+3) { transition-delay: .12s; }
.usecase-grid .reveal:nth-child(5n+4) { transition-delay: .18s; }
.usecase-grid .reveal:nth-child(5n+5) { transition-delay: .24s; }
.brand-grid .reveal:nth-child(4n+1) { transition-delay: 0s; }
.brand-grid .reveal:nth-child(4n+2) { transition-delay: .08s; }
.brand-grid .reveal:nth-child(4n+3) { transition-delay: .16s; }
.brand-grid .reveal:nth-child(4n+4) { transition-delay: .24s; }
.showcase__formats .reveal:nth-child(2) { transition-delay: .1s; }
.tech-grid .reveal:nth-child(2) { transition-delay: .1s; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { padding-top: 72px; padding-bottom: 40px; background: var(--white); overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding-top: 40px; }
.hero__title { font-size: clamp(38px, 5.2vw, 66px); font-weight: 800; letter-spacing: -0.035em; }
.hero__subtitle { margin-top: 22px; font-size: 18px; color: var(--ink-soft); max-width: 440px; }
.hero__cta { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }

.trust-row { margin-top: 40px; display: flex; gap: 24px; flex-wrap: wrap; }
.trust-row li { display: flex; align-items: center; gap: 7px; font-size: 13.5px; font-weight: 500; color: var(--ink-soft); }

.hero__stage { display: flex; justify-content: center; }
.stage { position: relative; width: 100%; max-width: 460px; aspect-ratio: 1 / 1.05; }
.stage__glow {
  position: absolute; inset: 8% 4%; border-radius: 50%;
  background: radial-gradient(closest-side, var(--accent-soft), transparent 72%);
  filter: blur(6px); z-index: 0;
}

.phone-mock {
  position: relative; width: 100%; aspect-ratio: 9/18.4;
  background: var(--ink); border-radius: 42px; padding: 10px;
  box-shadow: var(--shadow-lg);
}
.hero__stage .phone-mock { position: absolute; right: 0; top: 2%; width: 58%; z-index: 1; }
.phone-mock__notch {
  position: absolute; top: 18px; left: 50%; transform: translateX(-50%);
  width: 24%; height: 9px; background: #000; border-radius: 999px; z-index: 2;
}
.phone-mock__screen { width: 100%; height: 100%; background: var(--bg-soft); border-radius: 33px; overflow: hidden; padding: 34px 14px 14px; }
.review-ui__bar { font-size: 9.5px; color: var(--ink-faint); background: var(--white); border-radius: 999px; padding: 6px 10px; margin-bottom: 14px; border: 1px solid var(--border); }
.review-ui__biz { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.review-ui__avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; flex-shrink: 0; }
.review-ui__biz strong { display: block; font-size: 12px; }
.review-ui__stars { color: var(--star-gold); font-size: 12px; letter-spacing: 1px; }
.review-ui__label { font-size: 10.5px; color: var(--ink-faint); font-weight: 600; margin-bottom: 8px; }
.review-ui__lines { background: var(--white); border: 1px solid var(--border); border-radius: 10px; padding: 10px; display: flex; flex-direction: column; gap: 7px; margin-bottom: 14px; }
.review-ui__lines span { display: block; height: 6px; border-radius: 3px; background: var(--bg-soft-2); width: 100%; }
.review-ui__btn { background: var(--ink); color: #fff; text-align: center; font-size: 11px; font-weight: 600; padding: 9px; border-radius: 999px; }

/* ---- Google brand-color letter utilities (shared) ---- */
.gc-blue { color: #4285F4; }
.gc-red { color: #EA4335; }
.gc-yellow { color: #FBBC05; }
.gc-green { color: #34A853; }

/* ---- Disc — reusable round coaster-card mockup ---- */
.disc {
  container-type: inline-size;
  position: relative; aspect-ratio: 1/1; border-radius: 50%;
  background: conic-gradient(from 0deg, #4285F4 0deg 90deg, #EA4335 90deg 180deg, #FBBC05 180deg 270deg, #34A853 270deg 360deg);
  padding: 6%;
  box-shadow: var(--shadow-card);
}
.disc__face {
  width: 100%; height: 100%; border-radius: 50%; background: #fff;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6cqw;
  box-shadow: inset 0 1px 4px rgba(17,17,17,0.08);
  padding: 9%;
  text-align: center;
}
.disc__tap { font-size: 5.5cqw; font-weight: 700; letter-spacing: 0.14em; color: var(--ink-faint); white-space: nowrap; }
.disc__nfc { width: 15cqw; height: auto; color: var(--ink); }
.disc__google { font-size: 15cqw; font-weight: 800; letter-spacing: -0.01em; line-height: 1; white-space: nowrap; }
.disc__stars { color: var(--star-gold); font-size: 11cqw; letter-spacing: 0.05em; line-height: 1; }
.disc__reviewus { font-size: 5cqw; font-weight: 700; letter-spacing: 0.08em; color: var(--ink-soft); white-space: nowrap; }

/* Hero absolute placement wrapper around a .disc */
.tap-badge { position: absolute; left: 0; bottom: 4%; width: 58%; z-index: 2; }
.tap-badge--float { animation: float 5.5s ease-in-out infinite; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.tap-ping {
  position: absolute; left: 6%; bottom: 30%; width: 26px; height: 26px; z-index: 3;
  border: 2px solid var(--accent); border-radius: 50%;
  animation: ping 2.6s var(--ease) infinite;
}
@keyframes ping {
  0% { transform: scale(0.4); opacity: 0.9; }
  70% { transform: scale(2.6); opacity: 0; }
  100% { opacity: 0; }
}

/* ---- Stand badge — reusable desk-stand card mockup ---- */
.stand-badge { container-type: inline-size; position: relative; display: flex; flex-direction: column; align-items: center; }
.stand-badge__plate {
  position: relative; width: 100%; aspect-ratio: 0.82/1; background: #fff; border-radius: 14px;
  box-shadow: var(--shadow-card);
  padding: 9%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5cqw;
  text-align: center; transform: perspective(700px) rotateX(5deg); transform-origin: bottom center;
}
.stand-badge__label { font-size: 6cqw; font-weight: 700; letter-spacing: 0.08em; color: var(--ink-soft); white-space: nowrap; }
.stand-badge__ring {
  width: 42%; aspect-ratio: 1/1; border-radius: 50%;
  background: conic-gradient(from 0deg, #4285F4 0deg 90deg, #EA4335 90deg 180deg, #FBBC05 180deg 270deg, #34A853 270deg 360deg);
  padding: 8%; display: flex; align-items: center; justify-content: center;
}
.stand-badge__ring-face {
  width: 100%; height: 100%; border-radius: 50%; background: #fff;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2cqw;
}
.stand-badge__ring-face svg { width: 46%; height: auto; color: var(--ink); }
.stand-badge__ring-face span { font-size: 4cqw; font-weight: 700; letter-spacing: 0.04em; color: var(--ink-faint); white-space: nowrap; }
.stand-badge__google { font-size: 8.5cqw; font-weight: 800; }
.stand-badge__stars { color: var(--star-gold); font-size: 5.5cqw; letter-spacing: 0.05em; }
.stand-badge__bar {
  width: 70%; height: 4px; border-radius: 3px; margin-top: 4cqw;
  background: linear-gradient(90deg, #4285F4 0% 25%, #EA4335 25% 50%, #FBBC05 50% 75%, #34A853 75% 100%);
}
.stand-badge__foot {
  width: 34%; height: 14px; margin-top: -3px;
  background: linear-gradient(180deg, #e2e2dd, #cfcfc9);
  clip-path: polygon(18% 0%, 82% 0%, 100% 100%, 0% 100%);
}

@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; padding-top: 8px; }
  .hero__stage { order: -1; margin-bottom: 8px; }
  .hero__subtitle { max-width: none; }
  .stage { max-width: 340px; }
}
@media (max-width: 480px) {
  .hero__cta { flex-direction: column; }
  .hero__cta .btn { width: 100%; }
  .trust-row { gap: 14px 20px; }
}

/* ==========================================================================
   Trust bar
   ========================================================================== */
.trustbar { padding: 48px 0; background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trustbar__lead { text-align: center; font-size: 15px; color: var(--ink-soft); max-width: 560px; margin: 0 auto 32px; }
.trustbar__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.trustbar__grid li { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; font-size: 13.5px; font-weight: 600; color: var(--ink); }
.trustbar__grid svg { color: var(--accent); }
@media (max-width: 720px) { .trustbar__grid { grid-template-columns: repeat(2, 1fr); gap: 28px 16px; } }

/* ==========================================================================
   Problem / compare
   ========================================================================== */
.problem { background: var(--white); }
.compare {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 28px; align-items: stretch;
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px;
}
.compare__col { display: flex; flex-direction: column; }
.compare__col h3 { font-size: 15px; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 20px; color: var(--ink-faint); }
.compare__col--after h3 { color: var(--accent-dark); }
.compare__steps { display: flex; flex-direction: column; gap: 12px; }
.compare__steps li {
  font-size: 14.5px; color: var(--ink-soft); padding: 12px 14px; background: var(--white);
  border: 1px solid var(--border); border-radius: 12px; opacity: 0.85;
}
.compare__steps--short li { background: var(--ink); color: #fff; border-color: var(--ink); opacity: 1; font-weight: 500; }
.compare__arrow { display: flex; align-items: center; color: var(--accent); }
.compare__tag {
  margin-top: 16px; align-self: flex-start; background: var(--accent); color: #fff; font-size: 12.5px; font-weight: 700;
  padding: 6px 14px; border-radius: 999px;
}
@media (max-width: 780px) {
  .compare { grid-template-columns: 1fr; padding: 26px; gap: 20px; }
  .compare__arrow { transform: rotate(90deg); justify-content: center; padding: 4px 0; }
}

/* ==========================================================================
   How it works
   ========================================================================== */
.how { background: var(--bg-soft); }
.how__head-row.section-head { max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.how__steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.how__step {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.how__step:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.how__visual {
  aspect-ratio: 4/3; background: var(--bg-soft);
  display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden;
}
.how__visual .disc { width: 130px; }
.how__body { padding: 24px 26px 28px; }
.how__num { display: inline-block; font-size: 13px; font-weight: 700; color: var(--accent); background: var(--accent-soft); padding: 4px 11px; border-radius: 999px; margin-bottom: 16px; }
.how__step h3 { font-size: 19px; margin-bottom: 10px; }
.how__step p { font-size: 14.5px; color: var(--ink-soft); }

.how__visual--tap .disc { width: 118px; }
.how__visual--tap .tap-ping { position: absolute; left: 50%; top: 50%; width: 118px; height: 118px; margin: -59px 0 0 -59px; }

.how__visual--phone .phone-mock { width: 96px; }

@media (max-width: 860px) {
  .how__steps { grid-template-columns: 1fr; gap: 16px; }
}

/* ==========================================================================
   Product showcase
   ========================================================================== */
.showcase { background: var(--white); }
.showcase__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.showcase__stage { position: relative; }

.showcase__formats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.format-card {
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 34px 22px 26px; display: flex; flex-direction: column; align-items: center; gap: 22px;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.format-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.format-card__stage { position: relative; width: 100%; max-width: 176px; }
.format-card__label { text-align: center; }
.format-card__label h3 { font-size: 15.5px; margin-bottom: 6px; }
.format-card__label p { font-size: 12.5px; color: var(--ink-faint); line-height: 1.45; }

.chip-zoom {
  container-type: inline-size;
  position: absolute; left: -20%; bottom: -10%; width: 34%; z-index: 3;
  aspect-ratio: 1/1; background: #fff; border-radius: 50%; box-shadow: var(--shadow-lg); border: 1px solid var(--border);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4cqw;
}
.chip-zoom svg { width: 34cqw; height: auto; color: var(--accent); }
.chip-zoom span { font-size: 10.5cqw; font-weight: 700; color: var(--ink); white-space: nowrap; }

.qr-badge {
  position: absolute; right: -12%; top: -10%; width: 34%; z-index: 3;
  aspect-ratio: 1/1; background: var(--ink); border-radius: 50%; box-shadow: var(--shadow-lg);
  display: flex; align-items: center; justify-content: center; padding: 13%;
}
.qr-badge svg { width: 100%; height: 100%; }

.feature-list { display: flex; flex-direction: column; gap: 13px; margin: 26px 0 32px; }
.feature-list li { display: flex; align-items: center; gap: 10px; font-size: 15px; color: var(--ink-soft); font-weight: 500; }

@media (max-width: 900px) {
  .showcase__grid { grid-template-columns: 1fr; gap: 48px; }
  .showcase__stage { order: -1; }
}
@media (max-width: 560px) {
  .showcase__formats { grid-template-columns: 1fr; max-width: 240px; margin: 0 auto; gap: 32px; }
}

/* ==========================================================================
   Custom branding
   ========================================================================== */
.branding { background: var(--bg-soft); }
.brand-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.brand-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 22px 14px 18px; display: flex; flex-direction: column; align-items: center; gap: 14px;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.brand-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.brand-card__stage { width: 84px; }
.brand-card__nameplate {
  background: var(--ink); color: #fff; font-size: 11.5px; font-weight: 700; letter-spacing: 0.01em;
  padding: 6px 13px; border-radius: 999px; white-space: nowrap;
}
@media (max-width: 900px) { .brand-grid { grid-template-columns: repeat(2, 1fr); } }

/* ==========================================================================
   Why NFC / tech compare
   ========================================================================== */
.compare-tech { background: var(--white); }
.tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.tech-card { border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; position: relative; }
.tech-card h3 { font-size: 18px; margin-bottom: 18px; }
.tech-card ul { display: flex; flex-direction: column; gap: 12px; }
.tech-card ul li { font-size: 14.5px; color: var(--ink-soft); padding-left: 20px; position: relative; }
.tech-card ul li::before { content: ''; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--border-strong); }
.tech-card--accent { background: var(--ink); border-color: var(--ink); color: #fff; }
.tech-card--accent ul li { color: rgba(255,255,255,0.75); }
.tech-card--accent ul li::before { background: var(--accent); }
.tech-card__badge { position: absolute; top: -12px; right: 24px; background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; padding: 5px 13px; border-radius: 999px; }
.tech-note { margin-top: 22px; font-size: 13.5px; color: var(--ink-faint); text-align: center; }
@media (max-width: 700px) { .tech-grid { grid-template-columns: 1fr; } }

/* ==========================================================================
   Use cases
   ========================================================================== */
.usecases { background: var(--bg-soft); }
.usecase-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.usecase-card {
  background: var(--white); border: 1px solid var(--border); border-radius: 16px; padding: 22px 18px;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.usecase-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.usecase-card h3 { font-size: 15px; margin-bottom: 8px; }
.usecase-card p { font-size: 13px; color: var(--ink-soft); line-height: 1.45; }
@media (max-width: 980px) { .usecase-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 620px) { .usecase-grid { grid-template-columns: repeat(2, 1fr); } }

/* ==========================================================================
   Testimonials
   ========================================================================== */
.testimonials { background: var(--white); }
.testi-panel {
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 18px;
  max-width: 560px; margin: 0 auto; padding: 56px 40px; border-radius: var(--radius-xl);
  background: var(--bg-soft); border: 1px solid var(--border);
}
.testi-panel__icon { width: 40px; height: 40px; color: var(--accent-soft-2); }
.testi-panel h3 { font-size: 19px; }
.testi-panel p { font-size: 14.5px; color: var(--ink-faint); max-width: 380px; }
.testi-panel__stars { color: var(--star-gold); font-size: 15px; letter-spacing: 3px; }

/* ==========================================================================
   Pricing
   ========================================================================== */
.pricing { background: var(--bg-soft); }

.buybox {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md); padding: 44px;
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 48px; align-items: start;
}
.buybox__visual { display: flex; flex-direction: column; align-items: center; gap: 18px; position: sticky; top: 100px; }
.buybox__stage { width: 200px; position: relative; }
.buybox__visual [hidden] { display: none; }

.disc-back {
  container-type: inline-size;
  aspect-ratio: 1/1; border-radius: 50%; background: #fff; border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6cqw;
}
.disc-back svg { width: 44cqw; height: auto; }
.disc-back span { font-size: 6cqw; font-weight: 700; color: var(--ink-faint); letter-spacing: 0.04em; }

.buybox__thumbs { display: flex; gap: 8px; }
.buybox__thumbs button {
  width: 44px; height: 44px; border-radius: 12px; background: var(--bg-soft); border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center; color: var(--ink-faint);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}
.buybox__thumbs button.is-active { border-color: var(--accent); color: var(--accent); }
.buybox__thumbs button svg { width: 20px; height: 20px; }

.format-toggle { display: inline-flex; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 999px; padding: 4px; gap: 2px; }
.format-toggle__btn { padding: 8px 16px; border-radius: 999px; font-size: 13px; font-weight: 600; color: var(--ink-soft); transition: background .18s var(--ease), color .18s var(--ease); }
.format-toggle__btn.is-active { background: var(--ink); color: #fff; }

.buybox__purchase { display: flex; flex-direction: column; gap: 26px; }
.buybox__title h3 { font-size: 22px; margin-bottom: 6px; }
.buybox__title p { font-size: 14px; color: var(--ink-faint); }

.price-tiers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.price-tier {
  background: var(--white); border: 1.5px solid var(--border); border-radius: 16px; padding: 18px 14px;
  display: flex; flex-direction: column; align-items: flex-start; gap: 4px; text-align: left;
  transition: border-color .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease);
  position: relative;
}
.price-tier:hover { transform: translateY(-2px); }
.price-tier--active { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.price-tier__badge {
  position: absolute; top: -11px; right: 12px; background: var(--accent); color: #fff; font-size: 10.5px; font-weight: 700;
  padding: 4px 9px; border-radius: 999px;
}
.price-tier__qty { font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.price-tier__price { font-size: 22px; font-weight: 800; }
.price-tier__unit { font-size: 11.5px; color: var(--ink-faint); }

.buybox__list { display: flex; flex-direction: column; gap: 11px; }
.buybox__list li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--ink-soft); font-weight: 500; }

.buybox__cta-row {
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  padding-top: 22px; border-top: 1px solid var(--border);
}
.buybox__total { display: block; font-size: 32px; font-weight: 800; letter-spacing: -0.02em; }
.buybox__total-hint { display: block; font-size: 12.5px; color: var(--ink-faint); margin-top: 2px; }

.buybox__trust { display: flex; flex-wrap: wrap; gap: 9px 20px; }
.buybox__trust li { display: flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 600; color: var(--ink-soft); }
.buybox__trust svg { color: var(--accent); flex-shrink: 0; }

@media (max-width: 900px) {
  .buybox { grid-template-columns: 1fr; padding: 30px 22px; gap: 32px; }
  .buybox__visual { position: static; }
  .price-tiers { grid-template-columns: repeat(2, 1fr); }
  .buybox__cta-row { flex-direction: column; align-items: stretch; }
  .buybox__cta-row .btn { width: 100%; }
}

/* ==========================================================================
   FAQ / accordion
   ========================================================================== */
.faq { background: var(--white); }
.accordion__item { border-bottom: 1px solid var(--border); }
.accordion__trigger {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 20px 4px; font-size: 16px; font-weight: 600; text-align: left;
}
.accordion__trigger::after {
  content: ''; flex-shrink: 0; width: 11px; height: 11px;
  border-right: 2px solid var(--ink-faint); border-bottom: 2px solid var(--ink-faint);
  transform: rotate(45deg); transition: transform .25s var(--ease);
}
.accordion__trigger[aria-expanded="true"]::after { transform: rotate(-135deg); }
.accordion__panel {
  max-height: 0; overflow: hidden; transition: max-height .3s var(--ease), padding .3s var(--ease);
}
.accordion__panel p { padding: 0 4px 20px; font-size: 14.5px; color: var(--ink-soft); max-width: 640px; }

/* ==========================================================================
   Final CTA
   ========================================================================== */
.final-cta {
  background: var(--ink); color: #fff; text-align: center; padding: 110px 0;
  background-image: radial-gradient(circle at 50% 0%, rgba(44,75,255,0.28), transparent 55%);
}
.final-cta h2 { font-size: clamp(28px, 4vw, 44px); margin-bottom: 18px; }
.final-cta p { font-size: 17px; color: rgba(255,255,255,0.65); margin-bottom: 36px; }
.final-cta .btn--primary { background: var(--accent); }
.final-cta .btn--primary:hover { background: var(--white); color: var(--ink); }

/* ==========================================================================
   Order form
   ========================================================================== */
.order { background: var(--bg-soft); }
.order-steps { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }
.order-steps li { display: flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 600; color: var(--ink-soft); background: var(--white); border: 1px solid var(--border); padding: 8px 14px; border-radius: 999px; }
.order-steps li span { width: 18px; height: 18px; border-radius: 50%; background: var(--accent); color: #fff; font-size: 11px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }

.order-form { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; display: flex; flex-direction: column; gap: 20px; }
.order-form__row { display: flex; flex-direction: column; gap: 8px; }
.order-form__row label { font-size: 13.5px; font-weight: 600; }
.order-form__row label span { font-weight: 400; color: var(--ink-faint); }
.order-form__row input, .order-form__row select, .order-form__row textarea {
  border: 1.5px solid var(--border); border-radius: 10px; padding: 12px 14px; font-size: 14.5px;
  background: var(--white); transition: border-color .15s;
}
.order-form__row input:focus, .order-form__row select:focus, .order-form__row textarea:focus {
  border-color: var(--accent); outline: none;
}
.order-form__row input:invalid:not(:placeholder-shown) { border-color: #d94b4b; }
.order-form__hint { font-size: 12.5px; color: var(--ink-faint); }
.order-form__submit { margin-top: 6px; }
.order-form__note { font-size: 12.5px; color: var(--ink-faint); text-align: center; }
@media (max-width: 600px) { .order-form { padding: 26px 22px; } }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer { background: var(--white); border-top: 1px solid var(--border); padding-top: 64px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer__brand p { margin-top: 14px; font-size: 14px; color: var(--ink-faint); max-width: 320px; }
.nav__logo--footer { margin-bottom: 4px; }
.footer__col { display: flex; flex-direction: column; gap: 12px; }
.footer__col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-faint); margin-bottom: 6px; }
.footer__col a { font-size: 14.5px; color: var(--ink-soft); transition: color .15s; }
.footer__col a:hover { color: var(--ink); }
.footer__bottom { border-top: 1px solid var(--border); padding: 22px 0; }
.footer__bottom p { font-size: 13px; color: var(--ink-faint); }
@media (max-width: 700px) { .footer__grid { grid-template-columns: 1fr 1fr; } .footer__brand { grid-column: 1 / -1; } }

/* ==========================================================================
   Legal pages
   ========================================================================== */
.legal { padding: 64px 0 100px; }
.legal h1 { font-size: clamp(28px, 4vw, 38px); margin-bottom: 8px; }
.legal .legal__updated { font-size: 13px; color: var(--ink-faint); margin-bottom: 40px; }
.legal h2 { font-size: 19px; margin: 36px 0 12px; }
.legal p, .legal li { font-size: 15px; color: var(--ink-soft); line-height: 1.7; }
.legal ul { list-style: disc; padding-left: 20px; display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.legal a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.legal__placeholder { background: var(--accent-soft); color: var(--accent-dark); padding: 1px 6px; border-radius: 5px; font-weight: 600; }