:root {
  --ink: #15312c;
  --muted: #5c6c68;
  --green: #0d7a57;
  --green-deep: #064936;
  --mint: #e8f5ee;
  --paper: #fbfcfb;
  --line: #d9e6df;
  --coral: #e75d3f;
  --coral-dark: #bc3d26;
  --blue: #315f93;
  --white: #ffffff;
  --shadow: 0 22px 60px rgba(14, 53, 42, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  line-height: 1.55;
}

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

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

.highlight-text {
  position: relative;
  display: inline-block;
  color: var(--coral-dark);
}

.highlight-text::after {
  content: "";
  position: absolute;
  left: -2px;
  right: -6px;
  bottom: 4px;
  height: 12px;
  background: rgba(231, 93, 63, 0.2);
  border-radius: 2px;
  transform: skewX(-12deg);
  z-index: -1;
}

a:focus-visible,
.btn:focus-visible {
  outline: 3px solid rgba(13, 122, 87, 0.5);
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(217, 230, 223, 0.82);
  background: rgba(251, 252, 251, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  color: var(--white);
  background: var(--green);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
}

.brand small {
  color: var(--muted);
  font-size: 0.75rem;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a:hover,
.text-link:hover {
  color: var(--green);
}

.header-cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 8px;
  color: var(--white);
  background: var(--green);
  font-weight: 700;
}

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(90deg, rgba(241, 249, 245, 0.98) 0%, rgba(241, 249, 245, 0.4) 100%), var(--mint);
}





.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(74px, 11vh, 130px) 0 clamp(54px, 10vh, 96px);
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: center;
  gap: 48px;
}

.hero-img {
  width: 100%;
  max-width: 520px;
  height: auto;
  max-height: 70vh;
  object-fit: contain;
  margin: 0 auto;
  filter: drop-shadow(0 22px 44px rgba(13, 122, 87, 0.18));
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 840px;
  margin-bottom: 22px;
  letter-spacing: -0.01em;
}

.hero-title-line1 {
  display: block;
  font-size: clamp(1.4rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
  white-space: nowrap; /* Forces one line safely because font-size is clamped */
}

.hero-title-line2 {
  display: block;
  font-size: clamp(3.2rem, 10vw, 6.2rem);
  font-weight: 800;
  color: var(--green-deep);
  line-height: 1;
  margin-top: -2px;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
  line-height: 1.25;
}

.hero-copy {
  max-width: 590px;
  color: #2f4843;
  font-size: clamp(1.05rem, 2vw, 1.32rem);
}

.hero-actions,
.contact-lines {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 22px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: var(--white);
  background: var(--coral);
  box-shadow: 0 12px 28px rgba(231, 93, 63, 0.25);
}

.btn-primary:hover {
  background: var(--coral-dark);
}

.btn-secondary {
  color: var(--green-deep);
  background: var(--white);
  border: 1px solid var(--line);
}

.btn-secondary.dark {
  color: var(--white);
  background: var(--green-deep);
  border-color: var(--green-deep);
}

.btn.full {
  width: 100%;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 36px 0 0;
  padding: 0;
}

.hero-facts div {
  padding: 14px 16px;
  border: 1px solid rgba(13, 122, 87, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.hero-facts dt {
  color: var(--muted);
  font-size: 0.78rem;
}

.hero-facts dd {
  margin: 3px 0 0;
  font-weight: 800;
  white-space: nowrap;
}

.intro-strip {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(1120px, calc(100% - 36px));
  margin: -34px auto 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
}

.intro-strip div {
  padding: 22px;
}

.intro-strip div+div {
  border-left: 1px solid var(--line);
}

.intro-strip strong,
.intro-strip span {
  display: block;
}

.intro-strip span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.94rem;
}

.section {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(48px, 6vw, 76px) 0;
}

.section-head {
  max-width: 780px;
  margin-bottom: 48px;
}

.section-head p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* Problem section specific balancing */
.problem .section-head {
  margin: 0 auto 48px;
  text-align: center;
  max-width: 720px;
}

.section-head.compact {
  max-width: 720px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}



.problem-grid article {
  padding: 32px 24px;
  text-align: center;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.02);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.problem-grid article:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
  border-color: rgba(13, 122, 87, 0.1);
}

.problem-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin: 0 auto 20px;
  border-radius: 50%;
  color: var(--blue);
  background: #eaf1f8;
  font-size: 1.15rem;
  font-weight: 800;
}

.problem-grid p,
.benefit-grid p,
.solution-copy p:not(.eyebrow),
.dosage p,
.flyer-copy p,
.final-copy p:not(.eyebrow),
.faq-box p {
  color: var(--muted);
}

.solution {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: clamp(48px, 8vw, 96px);
  padding-top: clamp(24px, 3vw, 40px);
}

.solution-copy h2 {
  max-width: 580px;
  margin-bottom: 24px;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1.25;
}

.solution-copy p:not(.eyebrow) {
  font-size: 1.05rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.product-figure {
  margin: 0;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.product-figure::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 90%;
  height: 90%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(13, 122, 87, 0.15) 0%, rgba(13, 122, 87, 0) 70%);
  border-radius: 50%;
  z-index: 0;
}

.product-figure img {
  position: relative;
  z-index: 1;
  aspect-ratio: 1.25 / 1;
  object-fit: contain;
  filter: drop-shadow(0 20px 30px rgba(13, 122, 87, 0.2));
  animation: float-soft 4s ease-in-out infinite;
}

@keyframes float-soft {
  0% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
  100% { transform: translateY(0); }
}

.product-figure figcaption {
  position: relative;
  z-index: 1;
  margin-top: 18px;
  padding: 8px 18px;
  color: var(--green-deep);
  font-size: 0.85rem;
  font-weight: 700;
  text-align: center;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(13, 122, 87, 0.15);
  border-radius: 999px;
  box-shadow: 0 12px 24px rgba(13, 122, 87, 0.08);
}

.text-link {
  display: inline-flex;
  margin-top: 12px;
  color: var(--green-deep);
  font-weight: 800;
}

.benefits {
  width: 100%;
  padding-inline: max(18px, calc((100% - 1120px) / 2));
  background: var(--white);
  padding-top: clamp(48px, 6vw, 76px);
  padding-bottom: clamp(48px, 6vw, 76px);
}

.benefits .section-head {
  margin: 0 auto 48px;
  text-align: center;
  max-width: 680px;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.benefit-grid article {
  padding: 40px 32px;
  background: var(--mint);
  border-radius: 24px;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.benefit-grid article:hover {
  background: #dcf0e6;
  transform: translateY(-4px);
}

.benefit-grid h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.35;
  color: var(--green-deep);
}

.benefit-grid p {
  color: #2f4843;
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}



.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1120px, calc(100% - 36px));
  margin: clamp(54px, 7vw, 82px) auto 0;
  padding: 30px;
  border-radius: 8px;
  color: var(--white);
  background: var(--green-deep);
}

.cta-band .eyebrow {
  color: #9be2bf;
}

.cta-band h2 {
  margin: 0;
  font-size: clamp(1.4rem, 2.8vw, 2.2rem);
}

.cta-nowrap {
  white-space: nowrap;
}

.highlight-cta {
  position: relative;
  display: inline-block;
  color: #ffffff;
  z-index: 1;
}

.supplement-box {
  padding: 36px 32px;
  border-radius: 24px;
  background: linear-gradient(145deg, #ffffff, #f1f8f5);
  border: 1px solid rgba(13, 122, 87, 0.08);
  box-shadow: 0 16px 40px rgba(13, 122, 87, 0.05);
}

.supplement-box h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  color: var(--green-deep);
  font-size: 1.3rem;
  font-weight: 800;
}

.supplement-box h3::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--coral);
  color: var(--white);
  border-radius: 8px;
  font-size: 1.4rem;
  line-height: 1;
}

.supplement-box ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.supplement-box li {
  position: relative;
  margin-bottom: 16px;
  padding-left: 28px;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink);
}

.supplement-box li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--coral);
  font-weight: 900;
  font-size: 1.15rem;
}

.highlight-cta::after {
  content: "";
  position: absolute;
  left: -2px;
  right: -6px;
  bottom: 4px;
  height: 12px;
  background: var(--coral);
  border-radius: 2px;
  transform: skewX(-12deg);
  z-index: -1;
}

.ingredients .section-head h2 {
  max-width: 600px;
}

.ingredient-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chip-list li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid rgba(13, 122, 87, 0.15);
  border-radius: 999px;
  background: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  transition: all 0.3s ease;
}

.chip-list li::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 18px;
  background-color: var(--mint);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%230d7a57' stroke-width='2.5'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M5 13l4 4L19 7'/%3E%3C/svg%3E");
  background-size: 12px;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 50%;
}

.chip-list li:hover {
  background: var(--mint);
  border-color: rgba(13, 122, 87, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(13, 122, 87, 0.08);
}

.nutrition-panel {
  padding: 24px;
  border-radius: 8px;
  color: var(--white);
  background: var(--blue);
}

.nutrition-panel dl {
  margin: 0;
}

.nutrition-panel div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.nutrition-panel div:last-child {
  border-bottom: 0;
}

.nutrition-panel dd {
  margin: 0;
  font-weight: 800;
  text-align: right;
}

.usage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.42fr);
  gap: 22px;
}

.usage-panel,
.dosage {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 64px;
  padding: 12px;
  border-radius: 8px;
  background: #eef8f2;
  font-weight: 800;
}

.steps span {
  display: grid;
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--green);
}

.audience-list {
  grid-template-columns: repeat(4, 1fr);
}

.audience-list article {
  min-height: 150px;
}

.flyer-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.48fr);
  align-items: center;
  gap: 42px;
  padding: 42px;
  border-radius: 8px;
  background: #eaf3f0;
}

.flyer-section img {
  max-height: 560px;
  margin-left: auto;
  border-radius: 8px;
  box-shadow: var(--shadow);
  object-fit: cover;
}

.faq .section-head h2 {
  max-width: 800px;
  white-space: nowrap;
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

summary {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 800;
}

details p {
  margin: 0;
  padding: 0 20px 20px;
}

.final-cta {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 0.56fr);
  gap: clamp(28px, 5vw, 62px);
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(48px, 6vw, 76px) 0;
}

.final-copy h2 {
  margin-bottom: 24px;
}

.contact-lines a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 8px;
  background: var(--mint);
  color: var(--green-deep);
  font-weight: 800;
}

.lead-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid #c9d8d1;
  border-radius: 8px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(13, 122, 87, 0.18);
  border-color: var(--green);
}

.form-message {
  min-height: 24px;
  margin: 0;
  color: var(--green-deep);
  font-weight: 800;
}

.site-footer {
  padding: 40px clamp(18px, 4vw, 56px);
  color: #d5eee4;
  background: #102b26;
  font-size: 0.95rem;
  text-align: center;
  line-height: 1.6;
}

.site-footer p {
  max-width: 1120px;
  margin: 0 auto 8px;
}

.site-footer p:last-child {
  margin-bottom: 0;
}

.audience .section-head {
  text-align: center;
  margin: 0 auto 48px;
  max-width: 680px;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.audience-grid article {
  position: relative;
  overflow: hidden;
  padding: 32px 20px;
  border-radius: 20px;
  background: #fff8f6;
  border: 1px solid rgba(231, 93, 63, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.audience-grid article:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(231, 93, 63, 0.08);
}

.audience-grid .bg-number {
  position: absolute;
  right: -5px;
  bottom: -16px;
  font-size: 6.5rem;
  font-weight: 900;
  color: var(--coral);
  opacity: 0.04;
  line-height: 1;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.audience-grid article:hover .bg-number {
  opacity: 0.08;
}

.audience-grid h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--coral-dark);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
  line-height: 1.35;
}

.audience-grid p {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--ink);
  margin: 0;
  position: relative;
  z-index: 1;
}

.certificates .section-head {
  text-align: center;
  margin: 0 auto 48px;
  max-width: 680px;
}



.cert-marquee-container {
  overflow: hidden;
  position: relative;
  width: 100%;
  padding: 10px 0 20px;
}

.cert-marquee-container::before,
.cert-marquee-container::after {
  content: "";
  position: absolute;
  top: 0;
  width: clamp(40px, 10vw, 120px);
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.cert-marquee-container::before {
  left: 0;
  background: linear-gradient(to right, var(--white), transparent);
}

.cert-marquee-container::after {
  right: 0;
  background: linear-gradient(to left, var(--white), transparent);
}

.cert-marquee-track {
  display: flex;
  gap: 32px;
  width: max-content;
  padding-right: 32px; /* Extra padding to make -50% perfectly seamless */
  animation: scrollCert 24s linear infinite;
}

.cert-marquee-track:hover {
  animation-play-state: paused;
}

.cert-marquee-track figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  width: clamp(260px, 30vw, 320px);
  flex-shrink: 0;
}

@keyframes scrollCert {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.cert-img-wrapper {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(13, 122, 87, 0.08);
  box-shadow: 0 8px 24px rgba(0,0,0,0.03);
  background-color: #f1f8f5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%230d7a57' opacity='0.15'%3E%3Cpath d='M14 2H6c-1.1 0-1.99.9-1.99 2L4 20c0 1.1.89 2 1.99 2H18c1.1 0 2-.9 2-2V8l-6-6zm2 16H8v-2h8v2zm0-4H8v-2h8v2zm-3-5V3.5L18.5 9H13z'/%3E%3C/svg%3E");
  background-size: 60px;
  background-position: center;
  background-repeat: no-repeat;
  aspect-ratio: 1 / 1.414;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.cert-img-wrapper:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(13, 122, 87, 0.12);
}

.cert-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0; /* Hidden by default so the background SVG shows */
  transition: opacity 0.3s ease;
}

/* If the image src is actually loaded, we make it visible. (When user replaces base64 with real image) */
img:not([src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs="]).cert-placeholder {
  opacity: 1;
}

.cert-marquee-track figcaption {
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
  text-align: center;
}

/* ================= FLOATING CONTACT ================= */
.floating-contact {
  position: fixed;
  left: 24px;
  bottom: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.float-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
}

.float-btn:hover {
  transform: scale(1.1);
}

.float-btn svg {
  width: 28px;
  height: 28px;
}

.btn-zalo {
  background-color: #0068ff;
}

.btn-phone {
  background-color: var(--green);
}

/* Pulse animation for buttons */
.btn-phone::before,
.btn-zalo::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: 50%;
  z-index: -1;
  animation: pulse-ring 2s infinite;
}

.btn-zalo::before {
  background-color: rgba(0, 104, 255, 0.4);
  animation-delay: 1s;
}

.btn-phone::before {
  background-color: rgba(13, 122, 87, 0.4);
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* Micro-animations */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .hero {
    background: linear-gradient(180deg, rgba(241, 249, 245, 0.98) 0%, rgba(241, 249, 245, 0.4) 100%), var(--mint);
  }

  .hero-inner {
    grid-template-columns: 1fr;
    padding-top: 58px;
    padding-bottom: 64px;
    gap: 48px;
  }

  .hero-img {
    max-width: 480px;
  }

  .hero-copy {
    max-width: 620px;
  }

  .intro-strip,
  .solution,
  .ingredient-layout,
  .usage,
  .flyer-section,
  .final-cta {
    grid-template-columns: 1fr;
  }

  .intro-strip div+div {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

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

  .faq .section-head h2 {
    white-space: normal;
  }
  
  .cta-band {
    align-items: flex-start;
    flex-direction: column;
  }
  
  .cta-nowrap {
    white-space: normal;
  }

  .flyer-section img {
    width: min(100%, 360px);
    margin: 0 auto;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 12px 14px;
    gap: 10px;
  }

  .brand small {
    display: none;
  }

  .header-cta {
    min-width: 44px;
    padding: 0 12px;
  }

  .hero {
    min-height: 80svh;
  }

  .hero-inner {
    width: min(100% - 28px, 1120px);
    padding-bottom: 64px;
  }

  .hero-actions,
  .contact-lines {
    flex-direction: column;
  }

  .btn,
  .contact-lines a {
    width: 100%;
  }

  .problem-grid,
  .benefit-grid,
  .audience-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .floating-contact {
    left: 16px;
    bottom: 16px;
    gap: 12px;
  }

  .float-btn {
    width: 48px;
    height: 48px;
  }

  .float-btn svg {
    width: 24px;
    height: 24px;
  }

  .hero-facts {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-top: 20px;
  }

  .hero-facts div {
    padding: 10px 8px;
  }

  .hero-facts dt {
    font-size: 0.72rem;
  }

  .hero-facts dd {
    font-size: 0.86rem;
  }

  .intro-strip,
  .section,
  .cta-band,
  .final-cta {
    width: min(100% - 28px, 1120px);
  }

  .flyer-section,
  .usage-panel,
  .dosage,
  .lead-form {
    padding: 20px;
  }

  .nutrition-panel div {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .nutrition-panel dd {
    text-align: left;
  }
}