/* ============================================================
   Symbavita — Collagen VitaJoint
   Design tokens. Edit these to retheme the whole page.
   ============================================================ */
:root {
  --bg:        #061b1c;
  --bg-alt:    #082324;
  --bg-deep:   #041415;
  --surface:   rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.07);
  --line:      rgba(255, 255, 255, 0.09);
  --line-soft: rgba(255, 255, 255, 0.055);

  --fg:        #eaf4f2;
  --fg-muted:  #9db5b2;
  --fg-dim:    #7a9390;

  --accent:    #3ddc97;
  --accent-2:  #63e6d0;
  --accent-ink:#04231a;
  --wa:        #25d366;
  --wa-dark:   #1eb257;

  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 26px;
  --r-xl: 34px;

  --shell: 1180px;
  --gutter: 20px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ============================ base ============================ */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Tajawal", -apple-system, "Segoe UI", Tahoma, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.28; margin: 0; font-weight: 800; letter-spacing: -0.01em; }
p { margin: 0; }
ul, ol, dl { margin: 0; padding: 0; list-style: none; }

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.ico { width: 19px; height: 19px; flex: none; }
.muted { color: var(--fg-muted); }

/* ============================ buttons ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: inherit;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
              background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.btn--wa {
  background: linear-gradient(180deg, #2ee06d, var(--wa));
  color: #04230f;
  box-shadow: 0 10px 26px -10px rgba(37, 211, 102, 0.75), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.btn--wa:hover { background: linear-gradient(180deg, #34e874, var(--wa-dark)); transform: translateY(-2px); }
.btn--wa:active { transform: translateY(0); }
.btn--ghost {
  background: var(--surface);
  color: var(--fg);
  border-color: var(--line);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover { background: var(--surface-2); border-color: rgba(99, 230, 208, 0.4); transform: translateY(-2px); }
.btn--sm { min-height: 44px; padding: 10px 18px; font-size: 0.9rem; }
.btn--lg { min-height: 58px; padding: 16px 34px; font-size: 1.05rem; }
.btn:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; }

/* ============================ nav ============================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(6, 27, 28, 0.82);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line-soft);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-block: 14px;
}
.nav__brand { display: inline-flex; align-items: center; gap: 10px; }
.nav__brand img { border-radius: 10px; }
.nav__brand-text { display: grid; line-height: 1.15; }
.nav__brand-text strong { font-size: 1rem; font-weight: 800; letter-spacing: 0.01em; }
.nav__brand-text small { font-size: 0.75rem; color: var(--fg-dim); font-weight: 500; }
.nav__links { display: none; gap: 26px; font-size: 0.92rem; font-weight: 500; color: var(--fg-muted); }
.nav__links a { position: relative; padding-block: 4px; transition: color 0.2s; }
.nav__links a::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.25s var(--ease);
}
.nav__links a:hover { color: var(--fg); }
.nav__links a:hover::after { transform: scaleX(1); }
@media (min-width: 900px) { .nav__links { display: flex; } }

/* ============================ hero ============================ */
.hero {
  position: relative;
  padding-block: 16px 44px;
  background:
    radial-gradient(90% 70% at 78% 4%, rgba(61, 220, 151, 0.12), transparent 60%),
    radial-gradient(70% 60% at 12% 100%, rgba(99, 230, 208, 0.08), transparent 65%),
    linear-gradient(180deg, var(--bg-deep), var(--bg) 45%, var(--bg-alt));
  overflow: hidden;
}
.hero__aura {
  position: absolute;
  inset-inline-start: -18%;
  top: -22%;
  width: 62%;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(61, 220, 151, 0.16), transparent 62%);
  filter: blur(30px);
  pointer-events: none;
}
.hero__grid {
  position: relative;
  display: grid;
  gap: 18px;
  grid-template-areas: "copy" "visual" "actions";
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 15px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  backdrop-filter: blur(8px);
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(61, 220, 151, 0.16);
}
.hero__copy { grid-area: copy; }
.hero__title {
  margin-top: 14px;
  font-size: clamp(1.94rem, 6vw, 3.2rem);
  font-weight: 900;
  line-height: 1.26;
  max-width: 17ch;
  text-wrap: balance;
  letter-spacing: -0.02em;
}
.hero__title em {
  font-style: normal;
  color: var(--accent);
  text-shadow: 0 0 26px rgba(61, 220, 151, 0.35);
}
.hero__lead {
  margin-top: 14px;
  max-width: 44ch;
  color: var(--fg-muted);
  line-height: 1.66;
  font-size: clamp(0.95rem, 2.6vw, 1.06rem);
}
.hero__lead strong { color: var(--fg); font-weight: 700; }

.hero__actions { grid-area: actions; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__ctas .btn { flex: 1 1 auto; min-width: 190px; }
.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 22px;
  color: var(--fg-muted);
  font-size: 0.87rem;
  font-weight: 500;
}
.hero__trust li { display: inline-flex; align-items: center; gap: 7px; }
.hero__trust .ico { width: 15px; height: 15px; color: var(--accent); }

/* ---- product stage ---- */
.hero__visual { grid-area: visual; display: grid; place-items: center; }
.stage {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  max-width: 360px;
  aspect-ratio: 1 / 0.88;
}
.stage__orb, .stage__ring, .stage__beam {
  position: absolute;
  top: 50%; left: 50%;
  translate: -50% -50%;
  border-radius: 50%;
  pointer-events: none;
}
.stage__orb {
  width: 84%;
  aspect-ratio: 1;
  background:
    radial-gradient(circle at 50% 42%, rgba(99, 230, 208, 0.3), rgba(61, 220, 151, 0.1) 46%, transparent 68%);
  filter: blur(6px);
}
.stage__ring {
  width: 72%;
  aspect-ratio: 1;
  border: 1px solid rgba(155, 235, 219, 0.16);
  box-shadow: inset 0 0 60px rgba(99, 230, 208, 0.07);
}
.stage__beam {
  width: 50%;
  height: 58%;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(234, 255, 250, 0.16), transparent 70%);
  filter: blur(18px);
}
.stage__product { position: relative; z-index: 2; will-change: transform; }
.stage__product img {
  height: clamp(240px, 64vw, 430px);
  width: auto;
  filter: drop-shadow(0 26px 34px rgba(0, 0, 0, 0.5));
  animation: float 6s ease-in-out infinite;
}
.stage__floor {
  position: absolute;
  z-index: 1;
  bottom: 7%;
  left: 50%;
  translate: -50% 0;
  width: 52%;
  height: 24px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(0, 0, 0, 0.6), transparent 70%);
  filter: blur(7px);
  animation: floor 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-13px); }
}
@keyframes floor {
  0%, 100% { transform: translate(-50%, 0) scaleX(1); opacity: 0.85; }
  50%      { transform: translate(-50%, 0) scaleX(0.86); opacity: 0.58; }
}
.chip {
  position: absolute;
  z-index: 3;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(10, 40, 40, 0.6);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--fg);
  white-space: nowrap;
  box-shadow: 0 10px 24px -14px rgba(0, 0, 0, 0.8);
}
.chip--a { top: 12%; inset-inline-start: 0; }
.chip--b { bottom: 13%; inset-inline-end: 0; }

@media (min-width: 900px) {
  .hero { padding-block: 10px 70px; }
  .hero__grid {
    grid-template-columns: 1.02fr 0.98fr;
    grid-template-areas:
      "copy   visual"
      "actions visual";
    align-content: center;
    align-items: center;
    gap: 22px 40px;
    min-height: min(85vh, 820px);
  }
  .hero__visual { align-self: center; }
  .stage { max-width: 440px; aspect-ratio: 1 / 1.06; }
  .hero__ctas .btn { flex: 0 0 auto; }
}

/* ============================ trust strip ============================ */
.strip {
  border-block: 1px solid var(--line-soft);
  background: linear-gradient(180deg, var(--bg-alt), var(--bg));
}
.strip__inner {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}
.strip__item {
  display: grid;
  gap: 2px;
  padding: 22px 18px;
  text-align: center;
}
.strip__item + .strip__item { border-inline-start: 1px solid var(--line-soft); }
@media (max-width: 759px) {
  .strip__item:nth-child(odd) { border-inline-start: 0; }
  .strip__item:nth-child(n + 3) { border-top: 1px solid var(--line-soft); }
}
.strip__item b {
  font-size: clamp(1.1rem, 3.6vw, 1.42rem);
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.01em;
}
.strip__item span { font-size: 0.8rem; color: var(--fg-dim); font-weight: 500; }
@media (min-width: 760px) {
  .strip__inner { grid-template-columns: repeat(4, 1fr); }
}

/* ============================ sections ============================ */
.section {
  position: relative;
  overflow: hidden; /* decorative glows must never widen the page */
  padding-block: clamp(58px, 9vw, 104px);
  background: var(--bg);
}
.section--alt {
  background: linear-gradient(180deg, var(--bg-alt), #06201f);
  border-block: 1px solid var(--line-soft);
}
.section__glow {
  position: absolute;
  top: -10%;
  inset-inline-end: -8%;
  width: 46%;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(61, 220, 151, 0.1), transparent 62%);
  filter: blur(20px);
  pointer-events: none;
}
.head { max-width: 620px; margin: 0 auto clamp(34px, 5vw, 54px); text-align: center; }
.head--start { text-align: start; margin-inline: 0; }
.kicker {
  display: inline-block;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.head h2 { font-size: clamp(1.55rem, 4.4vw, 2.35rem); letter-spacing: -0.02em; }
.head p { margin-top: 12px; color: var(--fg-muted); font-size: 0.98rem; }

/* ---- numbered feature rows ---- */
.rows { display: grid; gap: 0; border-top: 1px solid var(--line-soft); }
.row {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 14px 18px;
  padding: 24px 4px;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 0.3s var(--ease);
}
.row:hover { background: rgba(255, 255, 255, 0.02); }
.row__num {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--accent);
  padding-top: 4px;
  font-feature-settings: "tnum";
  opacity: 0.85;
}
.row__body h3 { font-size: clamp(1.08rem, 3vw, 1.28rem); margin-bottom: 6px; }
.row__body p { color: var(--fg-muted); font-size: 0.94rem; max-width: 62ch; }
.row__tag {
  grid-column: 2;
  justify-self: start;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--fg-dim);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 11px;
}
@media (min-width: 820px) {
  /* number | title | description | tag — reads as an editorial spec row */
  .row {
    grid-template-columns: 52px minmax(190px, 230px) 1fr auto;
    align-items: center;
    gap: 28px;
    padding: 28px 8px;
  }
  .row__body { display: contents; }
  .row__num { font-size: 1.1rem; padding-top: 0; }
  .row__body h3 { margin-bottom: 0; }
  .row__tag { grid-column: auto; justify-self: end; }
}

/* ---- split: formula + specs panel ---- */
.split { position: relative; display: grid; gap: 30px; }
@media (min-width: 900px) {
  .split { grid-template-columns: 1.08fr 0.92fr; gap: 54px; align-items: start; }
}
.split__copy h2 { font-size: clamp(1.55rem, 4.4vw, 2.3rem); margin-bottom: 14px; }
.split__copy .muted { font-size: 0.98rem; max-width: 48ch; }
.tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.tags li {
  padding: 9px 15px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 0.83rem;
  font-weight: 600;
  color: #d7ebe7;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), color 0.25s;
}
.tags li:hover { border-color: rgba(61, 220, 151, 0.5); color: #fff; transform: translateY(-2px); }
.note {
  margin-top: 26px;
  padding: 16px 18px;
  border-inline-start: 2px solid rgba(61, 220, 151, 0.5);
  background: rgba(255, 255, 255, 0.025);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--fg-dim);
  font-size: 0.85rem;
  line-height: 1.85;
}
.panel {
  position: relative;
  padding: 26px;
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  box-shadow: 0 30px 60px -40px rgba(0, 0, 0, 0.9);
}
.panel__title { font-size: 1.06rem; margin-bottom: 8px; }
.specs { display: grid; }
.specs > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 13px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.93rem;
}
.specs > div:last-child { border-bottom: 0; padding-bottom: 0; }
.specs dt { color: var(--fg-muted); }
.specs dd { margin: 0; font-weight: 700; color: var(--fg); }

/* ---- showcase ---- */
.showcase__grid { display: grid; gap: 34px; align-items: center; }
@media (min-width: 900px) {
  .showcase__grid { grid-template-columns: 1fr 1fr; gap: 56px; }
}
.showcase__copy h2 { font-size: clamp(1.55rem, 4.4vw, 2.3rem); margin-bottom: 14px; }
.showcase__copy .muted { max-width: 46ch; font-size: 0.98rem; }
.checks { display: grid; gap: 13px; margin: 26px 0 30px; }
.checks li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 11px;
  align-items: start;
  color: var(--fg-muted);
  font-size: 0.93rem;
}
.checks .ico { width: 17px; height: 17px; color: var(--accent); margin-top: 5px; }
.checks b { color: var(--fg); font-weight: 700; }
.showcase__media {
  position: relative;
  margin: 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 40px 80px -50px rgba(0, 0, 0, 1);
}
.showcase__media img { width: 100%; height: auto; }

/* ---- usage timeline ---- */
.timeline {
  position: relative;
  display: grid;
  gap: 22px;
  padding-inline-start: 38px;
  counter-reset: step;
}
.timeline::before {
  content: "";
  position: absolute;
  inset-block: 8px;
  inset-inline-start: 11px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--line), transparent);
}
.timeline li { position: relative; }
.timeline li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  inset-inline-start: -38px;
  top: 2px;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--bg-alt);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  display: grid;
  place-items: center;
  translate: 50% 0;
}
.timeline h3 { font-size: 1.05rem; margin-bottom: 5px; }
.timeline p { color: var(--fg-muted); font-size: 0.93rem; max-width: 60ch; }
@media (min-width: 820px) {
  .timeline { grid-template-columns: repeat(3, 1fr); gap: 34px; padding-inline-start: 0; padding-top: 30px; }
  .timeline::before { inset-block: auto; top: 12px; inset-inline: 0; width: auto; height: 1px;
    background: linear-gradient(90deg, transparent, var(--line), transparent); }
  .timeline li::before { inset-inline-start: 0; top: -35px; translate: 0 0; }
}
.callout {
  margin-top: 34px;
  padding: 18px 20px;
  border-radius: var(--r-md);
  background: rgba(61, 220, 151, 0.07);
  border: 1px solid rgba(61, 220, 151, 0.22);
  color: #cfe9e3;
  font-size: 0.9rem;
}

/* ---- faq ---- */
.faq__wrap { display: grid; gap: 28px; }
@media (min-width: 900px) {
  .faq__wrap { grid-template-columns: 0.82fr 1.18fr; gap: 56px; align-items: start; }
  .faq__wrap .head { margin-bottom: 0; }
}
.faq { display: grid; gap: 10px; }
.faq details {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}
.faq details[open] { border-color: rgba(61, 220, 151, 0.32); background: rgba(61, 220, 151, 0.05); }
.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  font-weight: 700;
  font-size: 0.96rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:focus-visible { outline: 2px solid var(--accent-2); outline-offset: -3px; }
.chev { width: 19px; height: 19px; flex: none; color: var(--accent); transition: transform 0.28s var(--ease); }
.faq details[open] .chev { transform: rotate(180deg); }
.faq__a { padding: 0 20px 18px; color: var(--fg-muted); font-size: 0.92rem; }

/* ---- final cta ---- */
.cta { padding-block: clamp(50px, 8vw, 96px); background: var(--bg); }
.cta__card {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: clamp(36px, 6vw, 70px) clamp(22px, 5vw, 56px);
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background:
    radial-gradient(100% 120% at 50% 0%, rgba(61, 220, 151, 0.14), transparent 62%),
    linear-gradient(165deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
  box-shadow: 0 40px 90px -60px rgba(0, 0, 0, 1);
}
.cta__glow {
  position: absolute;
  top: -55%;
  left: 50%;
  translate: -50% 0;
  width: 70%;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(61, 220, 151, 0.2), transparent 62%);
  filter: blur(26px);
  pointer-events: none;
}
.cta__card > * { position: relative; }
.cta__card h2 { margin: 18px 0 12px; font-size: clamp(1.6rem, 5vw, 2.5rem); letter-spacing: -0.02em; }
.cta__card p { color: var(--fg-muted); margin-bottom: 28px; }
.cta__num {
  display: block;
  margin-top: 18px;
  color: var(--fg-dim);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* ============================ footer ============================ */
.foot {
  background: var(--bg-deep);
  border-top: 1px solid var(--line-soft);
  padding-block: 46px 22px;
  font-size: 0.9rem;
}
.foot__grid { display: grid; gap: 32px; }
@media (min-width: 820px) {
  .foot__grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; }
}
.foot__brand p { margin-top: 14px; color: var(--fg-dim); max-width: 38ch; line-height: 1.85; }
.foot h4 { font-size: 0.86rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-dim); margin-bottom: 14px; }
.foot__links { display: grid; gap: 10px; align-content: start; }
.foot__links a { color: var(--fg-muted); width: fit-content; transition: color 0.2s; }
.foot__links a:hover { color: var(--accent); }
.foot__wa {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 17px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-weight: 700;
  transition: border-color 0.25s, background-color 0.25s;
}
.foot__wa:hover { border-color: rgba(37, 211, 102, 0.5); background: rgba(37, 211, 102, 0.1); }
.foot__wa .ico { color: var(--wa); }
.foot__mini { margin-top: 14px; color: var(--fg-dim); font-size: 0.82rem; }
.foot__bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 6px;
  color: var(--fg-dim);
  font-size: 0.79rem;
  text-align: center;
}
@media (min-width: 720px) {
  .foot__bottom { grid-auto-flow: column; justify-content: space-between; text-align: start; }
}

/* ============================ floating whatsapp ============================ */
.wa-float {
  position: fixed;
  bottom: 18px;
  inset-inline-end: 18px;
  z-index: 70;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(180deg, #2ee06d, var(--wa));
  color: #04230f;
  display: grid;
  place-items: center;
  box-shadow: 0 14px 30px -10px rgba(37, 211, 102, 0.7);
  transition: transform 0.25s var(--ease);
}
.wa-float svg { width: 29px; height: 29px; }
.wa-float:hover { transform: scale(1.06); }
.wa-float::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid rgba(37, 211, 102, 0.55);
  animation: ripple 2.8s ease-out infinite;
}
@keyframes ripple {
  0%   { transform: scale(1); opacity: 0.7; }
  70%  { transform: scale(1.45); opacity: 0; }
  100% { transform: scale(1.45); opacity: 0; }
}

/* ============================ motion ============================ */
.anim { opacity: 0; transform: translateY(16px); animation: rise 0.8s var(--ease) forwards; animation-delay: var(--d, 0ms); }
@keyframes rise { to { opacity: 1; transform: none; } }

[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); transition-delay: var(--d, 0ms); }
[data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .anim, [data-reveal] { opacity: 1 !important; transform: none !important; animation: none !important; transition: none !important; }
  .stage__product img, .stage__floor, .wa-float::after { animation: none !important; }
}