:root {
  --blue: #1ca3ec;
  --blue-dark: #0e7fc4;
  --blue-deep: #0b3b66;
  --blue-ink: #0c2d4d;
  --sky: #eaf6fd;
  --sky-2: #dcf1fc;
  --gold: #fdb714;
  --white: #ffffff;
  --ink: #12283f;
  --muted: #6c859a;
  --line: #e3eef5;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 500;
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  font-family: "Sora", sans-serif;
  font-weight: 800;
  color: var(--blue-ink);
}

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

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

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue-dark);
  background: var(--sky);
  padding: 7px 16px;
  border-radius: 100px;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

/* ---------- HEADER ---------- */
.topbar {
  background: var(--blue-deep);
  color: #cfe8f8;
  font-size: 13px;
}

.topbar .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 28px;
}

.topbar a {
  opacity: 0.9;
}

.topbar .tb-links {
  display: flex;
  gap: 22px;
}

header.mainnav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  max-width: 1180px;
  margin: 0 auto;
}

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

.logo-text {
  font-family: "Poppins", sans-serif;
  font-weight: 800;
  font-size: 20px;
  color: var(--blue-ink);
  line-height: 1;
}

.logo-text span {
  display: block;
  font-family: "Open Sans", sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: 3px;
}

.nav-links {
  display: flex;
  gap: 30px;
  font-weight: 700;
  font-size: 14.5px;
  color: var(--blue-ink);
}

.nav-links a {
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.3s;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: 100px;
  font-family: "Poppins", sans-serif;
  box-shadow: 0 10px 24px -8px rgba(28, 163, 236, 0.55);
  transition:
    background 0.25s,
    transform 0.25s;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
}

.burger {
  display: none;
  width: 24px;
  height: 18px;
  position: relative;
  cursor: pointer;
}

.burger span {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--blue-ink);
}

.burger span:nth-child(1) {
  top: 0;
}

.burger span:nth-child(2) {
  top: 8px;
}

.burger span:nth-child(3) {
  top: 16px;
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  padding: 90px 0 0;
  background: linear-gradient(180deg, var(--sky) 0%, #f6fbfe 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
  padding-bottom: 60px;
}

.hero h1 {
  font-size: clamp(38px, 5.2vw, 58px);
  line-height: 1.08;
  margin: 18px 0 20px;
}

.hero h1 em {
  font-style: normal;
  color: var(--blue);
}

.hero p.lead {
  font-size: 17px;
  font-weight: 500;
  color: var(--muted);
  max-width: 460px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.btn-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  padding: 15px 30px;
  border-radius: 100px;
  font-family: "Poppins", sans-serif;
  font-size: 14.5px;
  box-shadow: 0 16px 30px -12px rgba(28, 163, 236, 0.55);
  transition:
    transform 0.25s,
    background 0.25s;
}

.btn-primary:hover {
  transform: translateY(-3px);
  background: var(--blue-dark);
}

.btn-outline {
  border: 2px solid var(--blue);
  color: var(--blue-dark);
  padding: 13px 28px;
  border-radius: 100px;
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: 14.5px;
  transition:
    background 0.25s,
    color 0.25s;
}

.btn-outline:hover {
  background: var(--blue);
  color: #fff;
}

.hero-visual {
  position: relative;
  height: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blob {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #beebff, var(--blue) 75%);
  opacity: 0.9;
  z-index: 1;
}

.hero-visual .bottle-main {
  position: relative;
  z-index: 3;
  height: 80%;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 24px 40px rgba(11, 59, 102, 0.3));
}

.stat-card {
  position: absolute;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 20px 40px -14px rgba(12, 45, 77, 0.25);
  padding: 16px 20px;
  z-index: 4;
  font-family: "Poppins", sans-serif;
}

.stat-card.s1 {
  top: 6%;
  left: 0;
}

.stat-card.s2 {
  bottom: 8%;
  right: 0;
}

.stat-card .n {
  font-size: 24px;
  font-weight: 800;
  color: var(--blue-ink);
}

.stat-card .l {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.dots {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 0;
  opacity: 0.5;
}

.wave {
  display: block;
  width: 100%;
  line-height: 0;
}

/* trust strip */
.trust {
  position: relative;
  padding-top: 0;
}

.wave-divider {
  width: 100%;
  line-height: 0;
  margin-top: -1px;
}

.wave-divider svg {
  display: block;
  width: 100%;
  height: 90px;
}

.trust-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  position: relative;
  z-index: 2;
  margin-top: -20px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--sky);
  border-radius: 16px;
  padding: 18px 20px;
}

.trust-item .ico {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  background: #fff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.trust-item .ico img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.trust-item .tt {
  font-family: "Poppins", sans-serif;
  font-weight: 800;
  font-size: 14px;
  color: var(--blue-ink);
}

.trust-item .ts {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--muted);
}

/* ---------- SCROLL INDICATOR ---------- */
.scroll-indicator {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  cursor: pointer;
  outline: none;
  border: none;
  -webkit-tap-highlight-color: transparent;
}

.scroll-indicator .ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--blue-dark);
  transform: translate(-50%, -50%) scale(1);
  opacity: 0.55;
  animation: rippleOut 2.4s ease-out infinite;
}

.scroll-indicator .ripple.r2 {
  animation-delay: 0.8s;
}

.scroll-indicator .ripple.r3 {
  animation-delay: 1.6s;
}

@keyframes rippleOut {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.5;
  }
  100% {
    transform: translate(-50%, -50%) scale(2.4);
    opacity: 0;
  }
}

.scroll-indicator .mouse-icon {
  position: relative;
  z-index: 2;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--blue-dark);
  box-shadow: 0 10px 24px -8px rgba(14, 127, 196, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-indicator .wheel-dot {
  animation: wheelMove 1.6s ease-in-out infinite;
}

@keyframes wheelMove {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  60% {
    transform: translateY(9px);
    opacity: 0.25;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 900px) {
  .scroll-indicator {
    bottom: 16px;
  }
}

/* ---------- SECTION SHELL ---------- */
section {
  padding: 100px 0;
  position: relative;
}

.section-head {
  max-width: 640px;
  margin-bottom: 50px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin-top: 14px;
  line-height: 1.15;
}

.section-head p {
  color: var(--muted);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.75;
  margin-top: 16px;
}

/* ---------- PROFILE ---------- */
.profile {
  background: var(--white);
}

.profile-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: center;
}

.profile-img {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  aspect-ratio: 1/1.05;
  background: linear-gradient(160deg, var(--sky-2), var(--sky));
}

.profile-img .mtn {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.thesis {
  font-family: "Poppins", sans-serif;
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--blue-ink);
  margin-bottom: 22px;
}

.profile-body p {
  color: #4c6478;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.85;
  margin-bottom: 24px;
}

.profile-body b {
  color: var(--blue-ink);
}

.source-box {
  border: 1px solid var(--line);
  background: var(--sky);
  border-radius: 18px;
  padding: 22px 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.source-box .ico {
  width: 40px;
  height: 40px;
  background: var(--blue);
  border-radius: 12px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.source-box .tt {
  font-family: "Poppins", sans-serif;
  font-weight: 800;
  font-size: 14.5px;
  color: var(--blue-ink);
  margin-bottom: 4px;
}

.source-box p {
  font-size: 14px;
  font-weight: 500;
  color: #4c6478;
  line-height: 1.7;
  margin: 0;
}

/* ---------- PRODUCTS ---------- */
.products {
  background: var(--sky);
}

.prod-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 36px;
}
.prod-tab {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: 100px;
  background: #fff;
  color: var(--blue-ink);
  border: 1px solid var(--line);
}

.prod-tab.active {
  background: var(--blue-ink);
  color: #fff;
}

.prod-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.prod-card {
  background: #fff;
  border-radius: 22px;
  padding: 26px 24px 24px;
  box-shadow: 0 14px 30px -18px rgba(12, 45, 77, 0.2);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.prod-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 40px -16px rgba(12, 45, 77, 0.28);
}

.prod-card .tag {
  position: absolute;
  top: 18px;
  right: 18px;
  background: var(--gold);
  color: #3a2600;
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: 10.5px;
  padding: 5px 11px;
  border-radius: 100px;
  text-transform: uppercase;
}

.prod-bottle {
  height: 150px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  margin-bottom: 18px;
}

.prod-card h4 {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 4px;
}

.prod-card .cap {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 16px;
}

.prod-card .foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

.prod-card .size {
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: var(--blue-dark);
}

.prod-card .arrow {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--sky);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-dark);
  transition: background 0.25s;
}

.prod-card:hover .arrow {
  background: var(--blue);
  color: #fff;
}

/* ---------- COMPARE / SOURCE ---------- */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 70px;
  padding-bottom: 10px;
}

.compare-card {
  border-radius: 22px;
  padding: 36px 34px;
}

.compare-card.good {
  background: linear-gradient(160deg, var(--blue), var(--blue-dark));
  color: #fff;
}

.compare-card.bad {
  background: #f5f8fa;
  border: 1px solid var(--line);
}

.compare-card h4 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 22px;
}

.compare-card.good h4 {
  color: #fff;
}

.compare-card.bad h4 {
  color: var(--blue-ink);
}

.compare-card ul {
  list-style: none;
}

.compare-card li {
  display: flex;
  gap: 12px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.75;
  margin-bottom: 16px;
}

.compare-card.good li {
  color: #eaf6fd;
}

.compare-card.bad li {
  color: var(--blue-ink);
  opacity: 0.85;
}

.compare-card.good li::before {
  content: "✓";
  font-weight: 900;
  color: var(--gold);
  font-size: 15px;
}

.compare-card.bad li::before {
  content: "–";
  font-weight: 900;
  color: #9aaab8;
}

.journey {
  background: #fff;
  border-radius: 26px;
  padding: 50px 40px;
  box-shadow: 0 20px 50px -24px rgba(12, 45, 77, 0.18);
  margin-bottom: 80px;
}

.journey-svg {
  width: 100%;
  height: auto;
}

.journey-labels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 14px;
}

.journey-labels div {
  text-align: center;
}

.journey-labels .jt {
  font-family: "Poppins", sans-serif;
  font-size: 14px;
  font-weight: 800;
  color: var(--blue-dark);
  margin-bottom: 4px;
}

.journey-labels .jd {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--muted);
  line-height: 1.5;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.benefit-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px 22px;
  text-align: center;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.benefit-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 34px -18px rgba(12, 45, 77, 0.22);
}

.benefit-card .ico {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--sky);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}

.benefit-card .bt {
  font-family: "Poppins", sans-serif;
  font-size: 16px;
  font-weight: 800;
  color: var(--blue-ink);
  margin-bottom: 8px;
}

.benefit-card p {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.6;
}

/* ---------- PRIVATE LABEL ---------- */
.label-wrap {
  background: var(--white);
}

.label-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 70px;
}

.label-visual {
  aspect-ratio: 4/3.2;
  border-radius: 26px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(150deg, var(--sky-2), var(--sky));
  display: flex;
  align-items: center;
  justify-content: center;
}

.label-visual img {
  position: relative;
  z-index: 2;
  width: 38%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 20px 30px rgba(11, 59, 102, 0.25));
}

.perk-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 70px;
}

.perk {
  background: var(--sky);
  border-radius: 18px;
  padding: 26px 22px;
}

.perk .ico {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.perk h5 {
  font-family: "Poppins", sans-serif;
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--blue-ink);
}

.perk p {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.6;
}

.vs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.vs-card {
  border-radius: 20px;
  padding: 30px;
}

.vs-card.generic {
  background: #f5f8fa;
  border: 1px dashed #c9d6e0;
}
.vs-card.custom {
  background: linear-gradient(150deg, var(--blue), var(--blue-dark));
  color: #fff;
}

.vs-card h4 {
  font-family: "Poppins", sans-serif;
  font-size: 18px;
  margin-bottom: 16px;
}

.vs-card.generic h4 {
  color: var(--blue-ink);
}

.vs-card ul {
  list-style: none;
}

.vs-card li {
  font-size: 14.5px;
  line-height: 1.75;
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
}

.vs-card.generic li {
  color: #526376;
}

.vs-card.custom li {
  color: #eaf6fd;
}

.vs-card.generic li::before {
  content: "×";
  position: absolute;
  left: 0;
  color: #9aaab8;
  font-weight: 800;
}

.vs-card.custom li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 800;
}

/* ---------- CTA BAND ---------- */
.cta-band {
  background: var(--blue-ink);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: var(--blue-dark);
  opacity: 0.35;
  top: -220px;
  right: -150px;
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 30px;
}

.cta-inner h2 {
  color: #fff;
  font-size: clamp(26px, 3.6vw, 38px);
  max-width: 560px;
  line-height: 1.2;
}

.cta-inner .eyebrow {
  background: rgba(255, 255, 255, 0.12);
  color: #dcf1fc;
}

.cta-inner .eyebrow::before {
  background: var(--gold);
}

.cert-row {
  display: flex;
  gap: 12px;
  margin-top: 22px;
}

.cert {
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 100px;
  padding: 8px 16px;
  font-family: "Poppins", sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: #cfe8f8;
}

/* ---------- BUSINESS PARTNERS ---------- */
.partners {
  background: var(--white);
  padding-top: 50px;
  padding-bottom: 60px;
}

.partners-viewport {
  width: 100%;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 8%, #000 92%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, #000 8%, #000 92%, transparent 100%);
}

.partners-track {
  display: flex;
  width: max-content;
}

.partners-slide {
  display: flex;
  align-items: center;
  gap: 70px;
  padding: 0 35px;
  flex-shrink: 0;
}

.partners-slide img {
  height: 48px;
  width: auto;
  min-width: 90px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.55;
  transition:
    filter 0.3s ease,
    opacity 0.3s ease,
    transform 0.3s ease;
}

.partners-slide img:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: translateY(-3px);
}

footer {
  padding: 70px 0 30px;
  background: #08243f;
  color: #b9d3e6;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}

.footer-brand p {
  color: #8fafc7;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.75;
  margin-top: 14px;
  max-width: 320px;
}

.footer-col h5 {
  font-family: "Poppins", sans-serif;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 16px;
}

.footer-col a,
.footer-col p {
  display: block;
  color: #b9d3e6;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 10px;
  line-height: 1.6;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  color: #6f92ac;
  font-size: 13.5px;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- BACK TO TOP ---------- */
#backToTop {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 52px;
  height: 52px;
  border: none;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 16px 30px -10px rgba(28, 163, 236, 0.55);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition:
    opacity 0.3s ease,
    transform 0.3s ease,
    background 0.25s ease;
  z-index: 200;
  outline: none;
}

#backToTop.show {
  opacity: 1;
  visibility: visible;
  transform: none;
}

#backToTop:hover {
  background: var(--blue-dark);
  transform: translateY(-3px);
}

#backToTop i {
  position: relative;
  z-index: 2;
}

@media (max-width: 900px) {
  .scroll-indicator {
    display: none;
  }

  .topbar {
    display: none;
  }

  .nav-links {
    display: none;
  }

  .burger {
    display: block;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    height: 320px;
    order: -1;
  }

  .hero-visual .bottle-main {
    height: 75%;
    max-width: 78%;
  }

  .blob {
    width: 280px;
    height: 280px;
  }

  .trust-row {
    grid-template-columns: repeat(1, 1fr);
  }

  .profile-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .prod-grid {
    grid-template-columns: 1fr;
  }

  .compare-grid {
    grid-template-columns: 1fr;
  }

  .journey-labels {
    grid-template-columns: repeat(2, 1fr);
  }

  .benefit-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .label-top {
    grid-template-columns: 1fr;
  }

  .perk-row {
    grid-template-columns: 1fr;
  }

  .vs-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  section {
    padding: 70px 0;
  }

  .partners-slide {
    gap: 44px;
  }

  .partners-slide img {
    height: 36px;
  }
}

@media (max-width: 600px) {
  #backToTop {
    right: 18px;
    bottom: 18px;
    width: 46px;
    height: 46px;
  }
}

@media (max-width: 480px) {
  .hero-visual {
    height: 280px;
  }

  .hero-visual .bottle-main {
    height: 70%;
    max-width: 72%;
  }

  .blob {
    width: 220px;
    height: 220px;
  }

  .stat-card {
    padding: 12px 16px;
  }

  .stat-card .n {
    font-size: 18px;
  }
}