/* LachGas4you — industrieel palet naar fastgas2-tankvisual: marine · signaalgeel · wit · staal */

:root {
  --navy-deep: #060b14;
  --navy: #0f1e36;
  --navy-mid: #152a48;
  --yellow: #f5e814;
  --yellow-dim: #c9b810;
  --white: #f4f6fa;
  --white-muted: rgba(244, 246, 250, 0.62);
  --steel: #7a8494;
  --black: #030508;
  --line: rgba(245, 232, 20, 0.14);
  --line-strong: rgba(245, 232, 20, 0.32);
  --wa: #25d366;
  --wa-bright: #3fe67a;
  --wa-deep: #128c7e;
  --wa-shadow: rgba(37, 211, 102, 0.42);
  --radius: 0.125rem;
  --radius-panel: 0.25rem;
  --font-display: "Bebas Neue", Impact, sans-serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
  --header-h: 2.65rem;
  --fab-size: 5rem;
  --sticky-h: calc(var(--fab-size) + 1.125rem + env(safe-area-inset-bottom, 0px));
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-smooth: cubic-bezier(0.23, 1, 0.32, 1);
  --pattern-chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='56' viewBox='0 0 56 56'%3E%3Cpath d='M18 12 36 28 18 44' fill='none' stroke='rgba(245,232,20,0.05)' stroke-width='1'/%3E%3C/svg%3E");
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

html.lenis,
html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-color: var(--navy-deep);
  will-change: transform, opacity;
}

.site-bg::before {
  content: "";
  position: absolute;
  inset: -4%;
  background-image: url("assets/fastgas2.png");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center 42%;
  opacity: 0.42;
}

.site-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--pattern-chevron), linear-gradient(165deg, rgba(6, 11, 20, 0.94) 0%, rgba(15, 30, 54, 0.88) 45%, rgba(6, 11, 20, 0.96) 100%);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--white);
  background: transparent;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  padding: 0.75rem 1rem;
  background: var(--yellow);
  color: var(--black);
  font-weight: 700;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 0.45rem 1rem;
  padding-top: max(0.45rem, env(safe-area-inset-top));
  background: linear-gradient(
    180deg,
    rgba(6, 11, 20, 0.97) 0%,
    rgba(15, 30, 54, 0.65) 70%,
    transparent 100%
  );
  border-bottom: 1px solid transparent;
  transition: background 0.45s var(--ease), border-color 0.45s var(--ease), box-shadow 0.45s var(--ease),
    backdrop-filter 0.45s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(6, 11, 20, 0.96);
  border-bottom-color: var(--line);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 14px 48px rgba(0, 0, 0, 0.5);
}

.site-header__inner {
  max-width: 68rem;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.05rem, 3.8vw, 1.65rem);
  letter-spacing: 0.1em;
  text-transform: none;
  color: var(--yellow);
  animation: logo-sheen 6s ease-in-out infinite;
  text-shadow: 0 0 28px rgba(245, 232, 20, 0.32);
}

.tagline {
  margin: 0;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steel);
  animation: tagline-fade 4.5s ease-in-out infinite alternate;
}

@keyframes logo-sheen {
  0%,
  100% {
    filter: brightness(1);
    text-shadow: 0 0 22px rgba(245, 232, 20, 0.25);
  }
  45% {
    filter: brightness(1.22);
    text-shadow: 0 0 44px rgba(245, 232, 20, 0.5);
  }
}

@keyframes tagline-fade {
  from {
    opacity: 0.62;
    letter-spacing: 0.22em;
  }
  to {
    opacity: 1;
    letter-spacing: 0.18em;
  }
}

main {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--header-h) + 0.25rem);
  padding-bottom: calc(var(--sticky-h) + 2rem);
}

.section-inner {
  width: min(100% - 1.5rem, 68rem);
  margin-inline: auto;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 6vw, 2.75rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 0.65rem;
  color: var(--white);
}

.section-lede {
  margin: 0 0 1.75rem;
  color: var(--white-muted);
  max-width: 36rem;
  font-size: 0.97rem;
  line-height: 1.55;
  border-left: 3px solid var(--yellow);
  padding-left: 1rem;
}

.section-lede strong {
  color: var(--white);
  font-weight: 600;
}

/* Hero */
.hero {
  position: relative;
  padding: 0.5rem 0 3rem;
  min-height: auto;
}

@media (min-width: 768px) {
  .hero {
    min-height: min(78vh, 46rem);
    display: flex;
    align-items: center;
    padding: 2.5rem 0 4rem;
  }
}

.hero__veil {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 90% 70% at 70% 45%, transparent 25%, rgba(6, 11, 20, 0.75) 70%);
  animation: veil-shift 14s ease-in-out infinite alternate;
}

@keyframes veil-shift {
  0% {
    opacity: 0.88;
    filter: saturate(1) hue-rotate(0deg);
  }
  100% {
    opacity: 1;
    filter: saturate(1.12) hue-rotate(-6deg);
  }
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(100% - 1.5rem, 68rem);
  margin-inline: auto;
}

.eyebrow {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0 0 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 1.75rem;
  height: 2px;
  background: linear-gradient(90deg, var(--yellow), transparent);
  transform-origin: left center;
  animation: eyebrow-scan 5s ease-in-out infinite alternate;
}

@keyframes eyebrow-scan {
  0% {
    transform: scaleX(0.72);
    opacity: 0.75;
    box-shadow: 0 0 0 transparent;
  }
  100% {
    transform: scaleX(1.45);
    opacity: 1;
    box-shadow: 0 0 14px rgba(245, 232, 20, 0.5);
  }
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.75rem, 12vw, 4.85rem);
  line-height: 0.96;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 0.85rem;
  color: var(--white);
}

.hero__title-line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.06em;
}

.hero__title-line-inner {
  display: inline-block;
  transform-origin: left center;
  will-change: transform, opacity;
}

.hero__title-line:nth-child(2) .hero__title-line-inner {
  transform-origin: right center;
}

.hero__title-accent {
  color: var(--yellow);
  display: inline-block;
  text-shadow: 0 0 40px rgba(245, 232, 20, 0.2);
  animation: accent-glow 2.8s ease-in-out infinite alternate;
}

@keyframes accent-glow {
  0% {
    text-shadow: 0 0 26px rgba(245, 232, 20, 0.32);
    filter: brightness(1);
  }
  100% {
    text-shadow: 0 0 62px rgba(245, 232, 20, 0.55), 0 0 94px rgba(245, 232, 20, 0.2);
    filter: brightness(1.08);
  }
}

.hero__lede {
  margin: 0 0 1.85rem;
  max-width: 24rem;
  color: var(--white-muted);
  font-size: 1.03rem;
  line-height: 1.55;
}

.hero__cta--inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: stretch;
}

.hero__cta--inline .btn--whatsapp {
  flex: 1 1 12rem;
  min-height: 3.05rem;
  font-size: 0.86rem;
  padding: 0.9rem 1.45rem;
}

.hero__cta--inline .btn--ghost {
  flex: 0 1 auto;
}

/* Buttons — geel blok + technische contour */
.btn {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.82rem 1.35rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s var(--ease),
    background 0.3s var(--ease), border-color 0.3s var(--ease), filter 0.35s ease;
  -webkit-tap-highlight-color: transparent;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.btn:active {
  transform: scale(0.98);
}

.btn,
.sticky-fab__btn {
  touch-action: manipulation;
}

.btn--lg {
  padding: 1rem 1.5rem;
  font-size: 0.88rem;
  width: 100%;
  max-width: 20rem;
}

.btn--primary {
  background: var(--yellow);
  color: var(--black);
  overflow: hidden;
  box-shadow: 0 6px 0 rgba(245, 232, 20, 0.12), 0 12px 32px rgba(0, 0, 0, 0.45);
}

.btn--primary::after {
  content: "";
  position: absolute;
  inset: 0 -40%;
  z-index: 0;
  background: linear-gradient(
    100deg,
    transparent 42%,
    rgba(255, 255, 255, 0.55) 50%,
    transparent 56%
  );
  transform: translateX(-115%) skewX(-12deg);
  pointer-events: none;
  animation: btn-shimmer 4.8s ease-in-out infinite;
}

@keyframes btn-shimmer {
  0%,
  62% {
    transform: translateX(-115%) skewX(-12deg);
  }
  78%,
  100% {
    transform: translateX(155%) skewX(-12deg);
  }
}

.btn--primary > *,
.btn--primary .btn__icon {
  position: relative;
  z-index: 1;
}

.btn--primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 8px 0 rgba(245, 232, 20, 0.22), 0 22px 50px rgba(0, 0, 0, 0.55), 0 0 42px rgba(245, 232, 20, 0.3);
}

.btn--primary:hover:active {
  filter: brightness(0.96);
}

.btn--whatsapp {
  background: linear-gradient(165deg, var(--wa-bright) 0%, var(--wa) 45%, #1fa855 100%);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.22);
  overflow: hidden;
  box-shadow: 0 5px 0 rgba(18, 140, 126, 0.45), 0 14px 40px var(--wa-shadow), 0 0 36px rgba(37, 211, 102, 0.18);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.12);
  transition: transform 0.55s var(--ease-smooth), box-shadow 0.55s var(--ease-smooth), filter 0.45s var(--ease-smooth),
    background 0.45s var(--ease-smooth), border-color 0.35s var(--ease-smooth);
}

.btn--whatsapp::after {
  content: "";
  position: absolute;
  inset: 0 -45%;
  z-index: 0;
  background: linear-gradient(
    100deg,
    transparent 38%,
    rgba(255, 255, 255, 0.42) 50%,
    transparent 61%
  );
  transform: translateX(-115%) skewX(-11deg);
  pointer-events: none;
  animation: wa-shimmer 4.6s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
}

@keyframes wa-shimmer {
  0%,
  52% {
    transform: translateX(-115%) skewX(-11deg);
  }
  68%,
  100% {
    transform: translateX(165%) skewX(-11deg);
  }
}

.btn--whatsapp .btn__icon svg {
  width: 1.7rem;
  height: 1.7rem;
  display: block;
}

.btn--whatsapp.btn--lg .btn__icon svg {
  width: 1.95rem;
  height: 1.95rem;
}

.btn--whatsapp > *,
.btn--whatsapp .btn__icon {
  position: relative;
  z-index: 1;
}

.btn--whatsapp:hover {
  filter: brightness(1.09) saturate(1.06);
  box-shadow: 0 8px 0 rgba(18, 140, 126, 0.48), 0 24px 56px rgba(37, 211, 102, 0.5), 0 0 56px rgba(37, 211, 102, 0.32);
}

.btn--whatsapp:hover:active {
  filter: brightness(0.97);
}

.btn--phone {
  background: rgba(6, 11, 20, 0.45);
  border-color: rgba(122, 132, 148, 0.35);
  color: var(--steel);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.68rem 1.05rem;
  letter-spacing: 0.05em;
  box-shadow: none;
}

.btn--phone:hover {
  border-color: rgba(245, 232, 20, 0.22);
  color: var(--white-muted);
  background: rgba(15, 30, 54, 0.55);
}

.btn--phone:hover .btn__icon {
  opacity: 0.88;
}

.btn--ghost {
  background: rgba(15, 30, 54, 0.55);
  border-color: var(--line-strong);
  color: var(--white);
  backdrop-filter: blur(8px);
}

.btn--ghost:hover {
  border-color: var(--yellow);
  background: rgba(245, 232, 20, 0.1);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.42), inset 0 0 36px rgba(245, 232, 20, 0.04);
}

.btn--ghost:hover .btn__icon {
  opacity: 1;
}

.btn__icon {
  display: flex;
  opacity: 0.95;
}

/* Benefits — paneelstripe */
.benefits {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--line);
  background: rgba(6, 11, 20, 0.72);
  backdrop-filter: blur(12px);
}

.benefit-list {
  list-style: none;
  margin: 1.65rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  perspective: 1600px;
}

@media (min-width: 640px) {
  .benefit-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

.benefit {
  position: relative;
  padding: 1.2rem 1.25rem 1.25rem;
  border-radius: var(--radius-panel);
  background: linear-gradient(145deg, rgba(15, 30, 54, 0.65) 0%, rgba(6, 11, 20, 0.75) 100%);
  border: 1px solid var(--line);
  transform-style: preserve-3d;
  transition: border-color 0.4s var(--ease), transform 0.45s cubic-bezier(0.34, 1.45, 0.64, 1),
    box-shadow 0.45s ease, filter 0.4s ease;
}

.benefit:hover {
  border-color: var(--line-strong);
  transform: translateY(-8px) rotateX(3deg);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(245, 232, 20, 0.12);
  filter: brightness(1.05);
}

.benefit::after {
  content: "";
  position: absolute;
  inset: auto 12% -1px 12%;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, rgba(245, 232, 20, 0.35), transparent);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.benefit:hover::after {
  opacity: 1;
}

.benefit__rule {
  display: block;
  width: 1.85rem;
  height: 3px;
  background: var(--yellow);
  margin-bottom: 0.7rem;
  clip-path: polygon(0 0, 75% 0, 100% 100%, 0 100%);
}

.benefit__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.4rem;
  color: var(--white);
}

.benefit__text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--white-muted);
  line-height: 1.52;
}

.benefit__text strong {
  color: rgba(244, 246, 250, 0.88);
  font-weight: 600;
}

/* Showcase / specs */
.showcase {
  padding: 3rem 0 3.25rem;
  background: rgba(15, 30, 54, 0.35);
  border-top: 1px solid var(--line);
}

.spec-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  perspective: 1500px;
  transform-style: preserve-3d;
}

@media (min-width: 720px) {
  .spec-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}

.spec-card {
  position: relative;
  padding: 1.35rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: rgba(6, 11, 20, 0.82);
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.45s cubic-bezier(0.34, 1.45, 0.64, 1), border-color 0.35s ease,
    box-shadow 0.45s ease;
}

.spec-card:hover {
  transform: translateY(-10px);
  border-color: rgba(245, 232, 20, 0.32);
  box-shadow: 0 28px 64px rgba(0, 0, 0, 0.55), 0 0 50px rgba(245, 232, 20, 0.08);
}

.spec-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-style: solid;
  border-width: 0 2.5rem 2.5rem 0;
  border-color: transparent var(--yellow-dim) transparent transparent;
  opacity: 0.65;
}

.spec-card__tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.06em;
  color: var(--yellow);
  line-height: 1;
}

.spec-card__title {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0.5rem 0 0.55rem;
}

.spec-card__text {
  margin: 0;
  font-size: 0.875rem;
  color: var(--white-muted);
  line-height: 1.52;
}

/* Regio / zoekwoorden (zichtbaar content) */
.regions {
  padding: 3rem 0 2.75rem;
  border-top: 1px solid var(--line);
  background: rgba(6, 11, 20, 0.58);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.regions .section-lede {
  max-width: 40rem;
  margin-bottom: 0;
}

/* Final CTA */
.final-cta {
  position: relative;
  padding: 3.25rem 0 3.5rem;
  border-top: 1px solid var(--line);
  background: rgba(6, 11, 20, 0.82);
  overflow: hidden;
}

.final-cta::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 40%;
  width: 120%;
  height: 120%;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse at center, rgba(245, 232, 20, 0.11) 0%, transparent 58%);
  animation: cta-breathe 7s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes cta-breathe {
  0% {
    opacity: 0.55;
    transform: translate(-50%, -50%) scale(0.92);
  }
  100% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.08);
  }
}

.final-cta__inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.final-cta__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 6vw, 3rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.85rem;
  color: var(--white);
}

.final-cta__text {
  margin: 0 auto 1.6rem;
  max-width: 26rem;
  color: var(--white-muted);
}

.final-cta__buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
}

.final-cta__buttons .btn--whatsapp.btn--lg {
  width: min(22rem, 100%);
}

.final-cta__buttons .btn--phone.btn--lg {
  width: min(17rem, 100%);
}

@media (min-width: 560px) {
  .final-cta__buttons {
    flex-direction: row;
    justify-content: center;
    align-items: stretch;
    flex-wrap: wrap;
  }

  .final-cta__buttons .btn--whatsapp.btn--lg {
    flex: 1 1 15rem;
    max-width: 22rem;
  }

  .final-cta__buttons .btn--phone.btn--lg {
    flex: 1 1 11rem;
    max-width: 15rem;
  }

  .btn--lg {
    width: auto;
  }
}

.site-footer {
  padding: 1.25rem 1rem 2rem;
  padding-bottom: max(1.5rem, calc(var(--sticky-h) + 0.75rem));
  text-align: center;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
  border-top: 1px solid var(--line);
  background: rgba(3, 5, 8, 0.9);
}

.site-footer p {
  margin: 0;
}

/* Zwevende ronde WhatsApp-knop */
.sticky-fab {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 100;
  pointer-events: none;
  filter: drop-shadow(0 12px 28px rgba(0, 0, 0, 0.45));
}

.sticky-fab__btn {
  position: relative;
  pointer-events: auto;
  isolation: isolate;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--fab-size);
  height: var(--fab-size);
  overflow: visible;
  border-radius: 50%;
  cursor: pointer;
  text-decoration: none;
  color: #fff;
  background: linear-gradient(155deg, var(--wa-bright) 0%, var(--wa) 42%, #14a849 98%);
  border: 2px solid rgba(255, 255, 255, 0.36);
  box-shadow: 0 12px 40px var(--wa-shadow), 0 10px 32px rgba(0, 0, 0, 0.52), inset 0 1px 0 rgba(255, 255, 255, 0.22);
  transition: transform 0.65s var(--ease-smooth), filter 0.5s var(--ease-smooth), box-shadow 0.55s var(--ease-smooth),
    border-color 0.4s var(--ease-smooth);
}

.sticky-fab__btn::before {
  content: "";
  position: absolute;
  inset: -42%;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(
    circle at 50% 50%,
    rgba(63, 230, 122, 0.5) 0%,
    rgba(37, 211, 102, 0.2) 42%,
    transparent 70%
  );
  animation: fab-aura 4.2s ease-in-out infinite;
  pointer-events: none;
}

.sticky-fab__btn::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: 50%;
  background: linear-gradient(
    105deg,
    transparent 41%,
    rgba(255, 255, 255, 0.28) 50%,
    transparent 58%
  );
  transform: translateX(-118%) skewX(-8deg);
  opacity: 0;
  animation: fab-shine 5.2s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
  pointer-events: none;
}

@keyframes fab-aura {
  0%,
  100% {
    opacity: 0.38;
    transform: scale(0.88);
  }
  50% {
    opacity: 0.95;
    transform: scale(1.06);
  }
}

@keyframes fab-shine {
  0%,
  54% {
    transform: translateX(-118%) skewX(-8deg);
    opacity: 0;
  }
  58% {
    opacity: 1;
  }
  68%,
  100% {
    transform: translateX(118%) skewX(-8deg);
    opacity: 0;
  }
}

.sticky-fab__btn:active {
  transition-duration: 0.12s;
  transform: scale(0.94);
}

.sticky-fab__btn:hover {
  filter: brightness(1.1) saturate(1.06);
  box-shadow: 0 18px 52px rgba(37, 211, 102, 0.58), 0 14px 36px rgba(0, 0, 0, 0.5), 0 0 48px rgba(37, 211, 102, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
  border-color: rgba(255, 255, 255, 0.48);
}

.sticky-fab__pulse {
  position: absolute;
  inset: -4px;
  z-index: 0;
  border-radius: 50%;
  border: 2px solid rgba(110, 231, 183, 0.75);
  opacity: 0;
  animation: fab-pulse 3.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  pointer-events: none;
}

@keyframes fab-pulse {
  0% {
    transform: scale(1);
    opacity: 0.55;
  }
  55% {
    transform: scale(1.12);
    opacity: 0.15;
  }
  100% {
    transform: scale(1.32);
    opacity: 0;
  }
}

.sticky-fab__icon {
  display: flex;
  position: relative;
  z-index: 2;
  animation: fab-icon-float 4.2s ease-in-out infinite;
}

.sticky-fab__icon svg {
  display: block;
  width: 2.625rem;
  height: 2.625rem;
}

@keyframes fab-icon-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

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

  .logo,
  .tagline,
  .hero__veil,
  .hero__title-accent,
  .eyebrow::before,
  .btn--primary::after,
  .btn--whatsapp::after,
  .final-cta::before,
  .sticky-fab__btn::before,
  .sticky-fab__btn::after {
    animation: none;
  }

  .sticky-fab__btn::after {
    opacity: 0;
  }

  .sticky-fab__icon {
    animation: none;
  }

  .sticky-fab__pulse {
    animation: none;
    opacity: 0;
  }
}