/* ═══════════════════════════════════════════════════════════════════════════
   SMART TOUCH BY BYONEZ — product site
   Type system shared with the live Byonez page: Fraunces · Bebas Neue · Inter
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  --bg:        #F3F1E9;                 /* warm ivory                      */
  --surface:   #FCFBF7;
  --ink:       #171310;                 /* deep warm near-black            */
  --muted:     #4E463A;                 /* strong warm taupe (was pale)    */
  --whisper:   #837A6A;
  --gold:      #A9781F;                 /* deep saturated antique gold     */
  --gold-warm: #DCB95B;                 /* luminous gold — dark / accents  */
  --line:      rgba(23, 19, 16, 0.16);
  --line-2:    rgba(23, 19, 16, 0.07);

  --serif:  'Newsreader', 'Georgia', 'Times New Roman', serif;
  --mark:   'Bebas Neue', 'Arial Narrow', sans-serif;
  --sans:   'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --ease:   cubic-bezier(0.16, 1, 0.3, 1);
  --maxw:   1120px;
}

/* dark panels flip the same tokens — components never hard-code a colour */
.panel--dark {
  --bg:      #141109;
  --surface: #211C13;
  --ink:     #F5F1E6;
  --muted:   #B3A992;
  --whisper: #776E5C;
  --gold:    #E0BC5F;
  --gold-warm: #E0BC5F;
  --line:    rgba(255, 248, 233, 0.15);
  --line-2:  rgba(255, 248, 233, 0.07);
  background: var(--bg);
  color: var(--ink);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

p, h1, h2, h3, ul, li { margin: 0; padding: 0; }
li { list-style: none; }
::selection { background: rgba(166, 127, 56, 0.20); color: inherit; }

img { max-width: 100%; display: block; }

/* ── top scroll-progress hairline ─────────────────────────────────────── */
.progress {
  position: fixed;
  top: 46px; left: 0;
  height: 2px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--gold-warm), #E4C878);
  z-index: 900;
  pointer-events: none;
}

/* ── fixed grain — one static composited layer, no animation ────────── */
.grain {
  position: fixed;
  inset: 0;
  z-index: 901;
  pointer-events: none;
  opacity: 0.03;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ═══════════════════════════════════════════════════════════════════════
   REVEAL SYSTEM
   ═══════════════════════════════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

.reveal-3d {
  opacity: 0;
  transform: perspective(1000px) translateY(26px) rotateX(-12deg);
  transition: opacity 0.95s var(--ease), transform 0.95s var(--ease);
}
.reveal-3d.is-visible { opacity: 1; transform: perspective(1000px) translateY(0) rotateX(0); }

.delay-2 { transition-delay: 0.12s; }
.delay-3 { transition-delay: 0.24s; }
.delay-4 { transition-delay: 0.36s; }

/* ═══════════════════════════════════════════════════════════════════════
   SHARED
   ═══════════════════════════════════════════════════════════════════════ */
.section { padding: clamp(5rem, 13vh, 9rem) 1.5rem; }
.inner   { max-width: var(--maxw); margin: 0 auto; }

/* skip rendering work for sections that are well off-screen */
.moment, .how, .pros, .compare, .specs, .urgency, .cta {
  content-visibility: auto;
  contain-intrinsic-size: auto 640px;
}

.eyebrow {
  font-family: var(--mark);
  font-size: 0.82rem;
  letter-spacing: 0.32em;
  color: var(--gold);
  text-indent: 0.32em;
}

.h-display {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: 0;
  text-wrap: balance;
}
.h-display em {
  font-style: italic;
  color: var(--gold);
}

.lead {
  font-size: clamp(0.98rem, 2.1vw, 1.08rem);
  font-weight: 300;
  line-height: 1.75;
  color: var(--muted);
}

/* ── buttons ─────────────────────────────────────────────────────────── */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 1.05rem 1.9rem;
  border-radius: 999px;
  overflow: hidden;
  transition: transform 0.4s var(--ease), background-color 0.4s var(--ease),
              color 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.btn__arrow { transition: transform 0.4s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }

.btn--gold {
  background: var(--gold-warm);
  color: #100E0A;
  border: 1px solid var(--gold-warm);
  box-shadow: 0 10px 30px -10px rgba(201, 168, 76, 0.5);
}
.btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -12px rgba(201, 168, 76, 0.6);
}
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn--ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}
.btn--large { font-size: 0.8rem; padding: 1.2rem 2.5rem; }

/* ═══════════════════════════════════════════════════════════════════════
   HERO — scroll-scrubbed cinematic dolly into the real card
   ═══════════════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  height: 260vh;
  background: #0B0B0A;
}
.hero-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  color: #fff;
  text-align: center;
}
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  /* first frame paints instantly under the canvas — no black flash before JS */
  background: #0B0B0A url("images/hero/f_001.webp") center center / cover no-repeat;
}
.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 50% 30%, transparent 26%, rgba(6,6,6,0.58) 100%),
    linear-gradient(180deg, rgba(6,6,6,0.42) 0%, rgba(6,6,6,0.12) 26%, transparent 46%, rgba(6,6,6,0.5) 72%, rgba(6,6,6,0.82) 100%);
}
.hero-block {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  width: 100%;
  max-width: 780px;
  padding: 0 1.5rem;
  opacity: 0;
  pointer-events: none;
}
.hero-badge {
  font-family: var(--mark);
  font-size: 0.78rem;
  letter-spacing: 0.36em;
  color: var(--gold-warm);
  text-indent: 0.36em;
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.55);
}
.hero-headline {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 500;
  font-size: clamp(2.9rem, 9vw, 5.6rem);
  line-height: 1.06;
  letter-spacing: 0;
  display: flex;
  flex-direction: column;
  text-wrap: balance;
  text-shadow: 0 2px 34px rgba(0, 0, 0, 0.45), 0 1px 6px rgba(0, 0, 0, 0.35);
}
.hero-headline em { font-style: italic; font-weight: 500; color: #F0DFB4; }

/* the "one tap · your presence · on their phone" line sits over the brightest
   frames of the clip — give it its own soft dark bed so it never washes out */
#heroCta { position: absolute; }
#heroCta::before {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 150%;
  height: 340%;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(ellipse at center,
    rgba(6, 5, 4, 0.74) 0%,
    rgba(6, 5, 4, 0.46) 42%,
    rgba(6, 5, 4, 0) 74%);
  filter: blur(16px);
}
.hero-line {
  font-size: clamp(1.05rem, 2.9vw, 1.4rem);
  font-weight: 400;
  color: #fff;
  letter-spacing: 0.012em;
  margin: 0 0 2rem;
  text-shadow: 0 2px 26px rgba(0, 0, 0, 0.6), 0 1px 4px rgba(0, 0, 0, 0.55);
}

.scroll-cue {
  position: absolute;
  left: 50%; bottom: 2rem;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  transition: opacity 0.4s ease;
}
.scroll-cue-line {
  width: 1px; height: 36px;
  background: linear-gradient(180deg, var(--gold-warm), transparent);
  transform-origin: top;
  animation: cue 1.9s ease-in-out infinite;
}
@keyframes cue {
  0%,100% { transform: scaleY(1); opacity: 0.5; }
  50% { transform: scaleY(1.35); opacity: 1; }
}
.scroll-cue-label {
  font-family: var(--mark);
  font-size: 0.62rem;
  letter-spacing: 0.32em;
  color: var(--gold-warm);
  text-indent: 0.32em;
}

/* ═══════════════════════════════════════════════════════════════════════
   THE MOMENT
   ═══════════════════════════════════════════════════════════════════════ */
.moment { text-align: center; }
.moment .inner { max-width: 860px; }
.moment-line {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.8rem, 5.6vw, 3.2rem);
  line-height: 1.28;
  color: var(--whisper);
}
.moment-line + .moment-line { margin-top: 2.4rem; color: var(--ink); }
.moment-line em { font-style: italic; color: var(--gold); }

/* ═══════════════════════════════════════════════════════════════════════
   IN THE WILD — full-bleed real-world tap
   ═══════════════════════════════════════════════════════════════════════ */
.wild {
  position: relative;
  height: clamp(30rem, 82vh, 52rem);
  overflow: hidden;
  background: #0B0B0A;
}
.wild-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 50%;
  transform: scale(1.08);            /* headroom for the parallax drift */
  will-change: transform;
}
.wild-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(8, 8, 8, 0.26) 0%,
    rgba(8, 8, 8, 0) 24%,
    rgba(8, 8, 8, 0) 52%,
    rgba(8, 8, 8, 0.74) 100%
  );
}
.wild-cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem clamp(2rem, 6vh, 3.75rem);
  color: #fff;
}
.wild-cap .eyebrow { color: var(--gold-warm); }
.wild-line {
  margin-top: 0.7rem;
  max-width: 17ch;
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 500;
  font-style: italic;
  font-size: clamp(1.5rem, 4vw, 2.7rem);
  line-height: 1.2;
  letter-spacing: 0;
  text-wrap: balance;
}

/* ═══════════════════════════════════════════════════════════════════════
   HOW IT WORKS
   ═══════════════════════════════════════════════════════════════════════ */
.how .inner { position: relative; }
.how-head { text-align: center; margin-bottom: clamp(3rem, 7vh, 4.5rem); }
.how-head .h-display { font-size: clamp(1.9rem, 5vw, 2.9rem); margin-top: 0.8rem; }

.how-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  position: relative;
}
/* the connective NFC line */
.how-line {
  position: absolute;
  top: 26px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: var(--line);
  overflow: hidden;
}
.how-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: translateX(-100%);
  transition: transform 1.4s var(--ease);
}
.how-row.is-visible .how-line::after { transform: translateX(100%); }

.step { text-align: center; position: relative; }
.step-num {
  position: relative;
  font-family: var(--mark);
  font-size: clamp(2.4rem, 5.5vw, 3.2rem);
  line-height: 1;
  color: var(--gold);
  display: inline-block;
}
.step-num::before {          /* NFC ripple */
  content: "";
  position: absolute;
  left: 50%; top: 46%;
  width: 54px; height: 54px;
  transform: translate(-50%, -50%) scale(0.4);
  border: 1px solid var(--gold);
  border-radius: 50%;
  opacity: 0;
}
.step.is-visible .step-num::before { animation: ripple 2.6s var(--ease) infinite; }
@keyframes ripple {
  0%   { opacity: 0; transform: translate(-50%,-50%) scale(0.4); }
  15%  { opacity: 0.4; }
  60%  { opacity: 0; }
  100% { opacity: 0; transform: translate(-50%,-50%) scale(1.8); }
}
.step-title {
  font-family: var(--mark);
  font-size: 1.25rem;
  letter-spacing: 0.24em;
  text-indent: 0.24em;
  margin: 0.6rem 0 0.9rem;
}
.step-desc {
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.65;
  color: var(--muted);
  max-width: 24ch;
  margin: 0 auto;
}

/* ═══════════════════════════════════════════════════════════════════════
   FOR PROFESSIONALS
   ═══════════════════════════════════════════════════════════════════════ */
.pros { text-align: center; }
.pros .inner { max-width: 720px; }
.pros .h-display { font-size: clamp(1.9rem, 5vw, 2.9rem); margin: 0.9rem 0 1.7rem; }
.pros .lead + .lead { margin-top: 1.4rem; }
.pros-kicker {
  margin-top: 2rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  color: var(--gold);
}

/* ═══════════════════════════════════════════════════════════════════════
   SHOWCASE — the live Byonez page inside a device
   ═══════════════════════════════════════════════════════════════════════ */
.showcase { overflow: hidden; }
.showcase-grid {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 380px);
  gap: clamp(2.5rem, 7vw, 5.5rem);
  align-items: center;
}
.showcase-copy .h-display {
  font-size: clamp(2rem, 5.5vw, 3.1rem);
  margin: 1rem 0 1.5rem;
}
.showcase-points {
  margin: 1.8rem 0 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.showcase-points li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--muted);
}
.showcase-points li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--gold);
}

.device-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-self: center;
  will-change: transform;
}
.device-glow {
  position: absolute;
  inset: -18% -22% 4%;
  background: radial-gradient(50% 46% at 50% 46%, rgba(201,168,76,0.28), transparent 70%);
  filter: blur(24px);
  z-index: 0;
}
@media (prefers-reduced-motion: no-preference) {
  .device-glow { animation: glow-breathe 7s ease-in-out infinite; }
}
@keyframes glow-breathe {
  0%,100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.06); }
}

.device {
  position: relative;
  z-index: 1;
  padding: 11px;
  border-radius: 54px;
  background: linear-gradient(150deg, #3a3a3c 0%, #1c1c1e 46%, #050505 100%);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.10),
    inset 0 2px 3px rgba(255,255,255,0.14),
    0 2px 6px rgba(0,0,0,0.4),
    0 40px 80px -24px rgba(0,0,0,0.55);
}
.device-screen {
  position: relative;
  border-radius: 44px;
  overflow: hidden;
  background: #EDEBE7;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.5);
}
.device-screen iframe {
  width: 390px;
  height: 844px;
  border: 0;
  display: block;
  transform-origin: top left;
  background: #EDEBE7;
}
.device-island {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 86px; height: 26px;
  background: #000;
  border-radius: 999px;
  z-index: 3;
  pointer-events: none;
}
.device-side {
  position: absolute;
  right: -3px;
  top: 128px;
  width: 3px; height: 74px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, #4a4a4c, #232325);
}
.device-caption {
  margin-top: 1.6rem;
  font-family: var(--mark);
  font-size: 0.68rem;
  letter-spacing: 0.26em;
  text-indent: 0.26em;
  color: var(--whisper);
  text-align: center;
}
.device-reflection {
  position: absolute;
  left: 8%; right: 8%;
  bottom: -6%;
  height: 40px;
  background: radial-gradient(50% 50% at 50% 0%, rgba(0,0,0,0.4), transparent 72%);
  filter: blur(12px);
  z-index: 0;
}

/* ═══════════════════════════════════════════════════════════════════════
   COMPARISON
   ═══════════════════════════════════════════════════════════════════════ */
.compare .inner { max-width: 960px; }
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
}
.compare-col { will-change: transform; }
.compare-col--others { text-align: right; }
.compare-rule { width: 1px; height: 190px; background: var(--gold); opacity: 0.3; justify-self: center; }
.compare-label {
  font-family: var(--mark);
  font-size: 0.75rem;
  letter-spacing: 0.26em;
  text-indent: 0.26em;
  color: var(--whisper);
  margin-bottom: 1rem;
}
.compare-col--byonez .compare-label { color: var(--ink); }
.compare-text {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.65;
  color: var(--muted);
  max-width: 30ch;
}
.compare-col--others .compare-text { margin-left: auto; }
.compare-hero {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.6rem, 7.4vw, 4rem);
  line-height: 1.08;
  color: var(--gold);
}
.compare-hero em { font-style: italic; }
.compare-hero--brand {
  font-style: italic;
  font-size: clamp(1.9rem, 4.6vw, 2.9rem);
  line-height: 1.16;
}
.compare-text--byonez {
  color: var(--ink);
  max-width: 32ch;
  margin-top: 1.1rem;
}
.compare-col--others .compare-text--byonez,
.compare-col--others .compare-text { margin-left: auto; }
.compare-foot {
  text-align: center;
  margin-top: clamp(3rem, 7vh, 4rem);
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.05rem, 2.6vw, 1.3rem);
  color: var(--ink);
}

/* ═══════════════════════════════════════════════════════════════════════
   CTA FINAL
   ═══════════════════════════════════════════════════════════════════════ */
.cta {
  text-align: center;
  padding: clamp(6rem, 15vh, 10rem) 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.cta-headline {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.7rem, 8.4vw, 4.8rem);
  line-height: 1.1;
  display: flex;
  flex-direction: column;
  text-wrap: balance;
}
.cta-headline em { font-style: italic; color: var(--gold); }
.cta-sub {
  margin: 1.4rem 0 2.6rem;
  font-weight: 300;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.cta-reassure {
  margin-top: 2.2rem;
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--muted);
}

/* ═══════════════════════════════════════════════════════════════════════
   SPECIFICATIONS
   ═══════════════════════════════════════════════════════════════════════ */
.specs .inner { text-align: center; }
.specs .eyebrow { display: inline-block; margin-bottom: clamp(2.2rem, 5.5vh, 3.2rem); }
.specs-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem clamp(1.6rem, 4vw, 3rem);
}
.specs-list li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.86rem;
  font-weight: 300;
  letter-spacing: 0.01em;
  color: var(--muted);
}
.specs-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.5em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

/* ═══════════════════════════════════════════════════════════════════════
   URGENCY
   ═══════════════════════════════════════════════════════════════════════ */
.urgency {
  text-align: center;
  padding: clamp(4rem, 10vh, 6.5rem) 1.5rem;
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
}
.urgency-line {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.3rem, 3.6vw, 2.15rem);
  line-height: 1.3;
  color: var(--gold);
  max-width: 22ch;
  margin: 0 auto;
  text-wrap: balance;
}

/* ═══════════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════════ */
.footer {
  text-align: center;
  padding: 3.5rem 1.5rem;
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--muted);
}
.footer-brand {
  font-family: var(--mark);
  font-size: 1.05rem;
  letter-spacing: 0.24em;
  text-indent: 0.24em;
  color: var(--gold);
  margin-top: 1rem;
}
.footer-meta { font-size: 0.68rem; color: var(--whisper); margin-top: 0.35rem; }

/* ── whatsapp float ─────────────────────────────────────────────────── */
.wa {
  position: fixed;
  right: 1.25rem;
  bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  width: 54px; height: 54px;
  border-radius: 50%;
  background: #121110;
  border: 1px solid var(--gold-warm);
  color: var(--gold-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  text-decoration: none;
  box-shadow: 0 0 0 0 rgba(201,168,76,0.35);
  transition: transform 0.4s var(--ease);
}
.wa:hover { transform: scale(1.06); }
@media (prefers-reduced-motion: no-preference) {
  .wa { animation: wa 2.8s ease-out infinite; }
}
@keyframes wa {
  0% { box-shadow: 0 0 0 0 rgba(201,168,76,0.35); }
  70% { box-shadow: 0 0 0 15px rgba(201,168,76,0); }
  100% { box-shadow: 0 0 0 0 rgba(201,168,76,0); }
}

/* ── language switcher ───────────────────────────────────────────────── */
.lang {
  position: fixed;
  top: calc(46px + 0.7rem + env(safe-area-inset-top, 0px));
  right: 0.85rem;
  z-index: 700;
  display: flex;
  gap: 2px;
  padding: 3px;
  border-radius: 999px;
  background: rgba(18, 17, 16, 0.5);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 248, 233, 0.16);
  box-shadow: 0 6px 20px -8px rgba(0, 0, 0, 0.45);
}
.lang button {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  margin: 0;
  background: transparent;
  color: rgba(245, 241, 230, 0.62);
  font-family: var(--mark);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  line-height: 1;
  padding: 0.34rem 0.6rem 0.28rem;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.25s var(--ease), background-color 0.25s var(--ease);
}
.lang button:hover { color: #F5F1E6; }
.lang button[aria-current="true"] {
  color: #100E0A;
  background: var(--gold-warm);
}
@media (max-width: 560px) {
  .lang button { padding: 0.32rem 0.5rem 0.26rem; font-size: 0.76rem; }
}

/* ═══════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .how-row { grid-template-columns: 1fr; gap: 3rem; }
  .how-line { display: none; }
  .step-desc { max-width: 32ch; }

  .showcase-grid { grid-template-columns: 1fr; justify-items: center; text-align: center; gap: 3rem; }
  .showcase-points { align-items: flex-start; text-align: left; }

  .compare-grid { grid-template-columns: 1fr; gap: 2.5rem; text-align: center; }
  .compare-col--others { text-align: center; }
  .compare-col--others .compare-text,
  .compare-text { margin-left: auto; margin-right: auto; }
  .compare-rule { width: 60%; height: 1px; }
}

@media (max-width: 560px) {
  .section { padding: 4.5rem 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-3d { transition: none; opacity: 1; transform: none !important; }
  .scroll-cue-line, .wa, .device-glow { animation: none; }
  .how-line::after { transform: translateX(0); opacity: 0.5; }
  .device-wrap { transform: none !important; }
  .wild-img { transform: scale(1.02) !important; }
}

/* ═══ BYONEZ GLOBAL NAV — keep identical across every Byonez property ═══ */
.byo-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 46px;
  padding: 0 clamp(1rem, 4vw, 2rem);
  background: rgba(12, 11, 10, 0.55);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  backdrop-filter: blur(14px) saturate(1.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.byo-nav__brand {
  font-family: "Bebas Neue", "Arial Narrow", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.28em;
  color: #fff;
  text-decoration: none;
  line-height: 1;
}
.byo-nav__links { display: flex; gap: clamp(0.9rem, 3vw, 1.8rem); }
.byo-nav__links a {
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.3s ease, border-color 0.3s ease;
}
.byo-nav__links a:hover { color: #C9A84C; }
.byo-nav__links a.is-current { color: #C9A84C; border-color: #C9A84C; }
@media (max-width: 520px) {
  .byo-nav { height: 44px; padding: 0 0.9rem; }
  .byo-nav__links { gap: 0.85rem; }
  .byo-nav__links a { font-size: 0.58rem; letter-spacing: 0.1em; }
  .byo-nav__brand { font-size: 0.9rem; letter-spacing: 0.22em; }
}