/* ============================================================
   IMMUNODEX — Design tokens
   Palette: bleu marine, ciel, bleu doux, accent lumineux
============================================================ */
:root {
  --cream: #EBF2FF;
  --cream-soft: #E4ECFF;
  --ink: #0D1D46;
  --ink-soft: #4A6CBF;
  --coral: #1B396F;
  --coral-dark: #102651;
  --sage: #162A56;
  --sage-light: #5374D0;
  --gold: #7AA2FF;
  --line: rgba(27, 57, 111, 0.12);
  --white: #FFFFFF;

  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;

  --radius: 18px;
  --radius-sm: 10px;
  --shadow-soft: 0 12px 32px rgba(27, 57, 111, 0.08);
  --shadow-lift: 0 18px 45px rgba(27, 57, 111, 0.18);

  --container: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

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

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

:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 2px;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--coral-dark);
  margin: 0 0 0.6rem;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--sage);
  margin: 0;
  letter-spacing: -0.01em;
}

/* ============================================================
   BUTTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  padding: 0.95rem 1.9rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  white-space: nowrap;
}

.btn--primary {
  background: var(--coral);
  color: var(--white);
  box-shadow: var(--shadow-lift);
}

.btn--primary:hover {
  background: var(--coral-dark);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--sage);
  border: 1.5px solid var(--sage);
  padding: 0.7rem 1.4rem;
}

.btn--ghost:hover {
  background: var(--sage);
  color: var(--cream);
}

/* ============================================================
   MARQUEE
============================================================ */
.marquee {
  background: var(--sage);
  color: var(--cream);
  overflow: hidden;
  white-space: nowrap;
  padding: 0.55rem 0;
}

.marquee__track {
  display: inline-flex;
  gap: 3rem;
  animation: marquee 28s linear infinite;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-left: 3rem;
}

.marquee__track span::after {
  content: "•";
  margin-left: 3rem;
  color: var(--gold);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================================
   HEADER
============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 246, 240, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.header-logo {
  width: 190px;
  max-width: 100%;
  height: auto;
  display: block;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--sage);
}

.logo span { color: var(--coral); }

.logo--footer {
  font-size: 1.6rem;
  color: var(--cream);
}

.logo--footer span { color: var(--coral); }

.nav {
  display: flex;
  gap: 2rem;
  font-size: 0.92rem;
  font-weight: 600;
}

.nav a {
  position: relative;
  padding: 0.2rem 0;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

.nav a:hover { color: var(--coral-dark); }

@media (max-width: 820px) {
  .nav { display: none; }
}

/* ============================================================
   HERO
============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  padding: 4rem 1.5rem 5rem;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 600px at 85% -10%, rgba(232, 98, 61, 0.14), transparent 60%),
    radial-gradient(700px 500px at -5% 100%, rgba(45, 59, 46, 0.10), transparent 60%);
  z-index: 0;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
}

@media (max-width: 960px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero__visual { order: -1; }
}

.hero__title {
  font-size: clamp(2.4rem, 5.2vw, 3.6rem);
  line-height: 1.08;
  margin-bottom: 1.3rem;
}

.hero__title-accent {
  color: var(--coral);
  font-style: italic;
}

.hero__lead {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 36rem;
  margin-bottom: 1.6rem;
}

.hero__benefits {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
  font-weight: 600;
  font-size: 0.92rem;
}

@media (max-width: 540px) {
  .hero__benefits { grid-template-columns: 1fr; }
}

.hero__purchase {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.8rem;
}

.price {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.price__amount {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--sage);
}

.price__rating {
  font-size: 0.85rem;
  color: var(--gold);
  font-weight: 700;
}

.price__rating em {
  color: var(--ink-soft);
  font-style: normal;
  font-weight: 500;
}

/* Stock alert */
.stock-alert {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
  max-width: 26rem;
  box-shadow: var(--shadow-soft);
}

.stock-alert__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.9rem;
  margin-bottom: 0.6rem;
}

.stock-alert__head strong { color: var(--coral-dark); }
.stock-alert__count { font-weight: 700; color: var(--sage); }

.stock-alert__bar {
  height: 8px;
  border-radius: 999px;
  background: var(--cream-soft);
  overflow: hidden;
  margin-bottom: 0.7rem;
}

.stock-alert__fill {
  height: 100%;
  width: 86%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--coral), var(--gold));
  transition: width 1.2s ease;
}

.stock-alert__text {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0;
}

/* Hero visual / product card */
.hero__visual {
  display: flex;
  justify-content: center;
}

.product-card {
  position: relative;
  background: var(--white);
  border-radius: 24px;
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
  max-width: 26rem;
  width: 100%;
  overflow: visible;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.product-card:hover {
  transform: translateY(-6px) rotate(-0.6deg);
  box-shadow: 0 24px 55px rgba(45, 59, 46, 0.14);
}

.product-card__badge {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: var(--sage);
  color: var(--cream);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  z-index: 2;
}

.product-card__img-wrap {
  position: relative;
  border-radius: 16px;
  overflow: visible;
  background: var(--cream-soft);
}

.product-card__img-wrap img {
  width: 110%;
  display: block;
  margin: 0 auto;
}

.product-card__caption {
  text-align: center;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 1.2rem 0 0;
  font-weight: 500;
}

/* ============================================================
   TRUST STRIP
============================================================ */
.trust {
  padding: 3.5rem 1.5rem;
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.trust__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

@media (max-width: 720px) {
  .trust__inner { grid-template-columns: repeat(2, 1fr); }
}

.trust__item {
  display: flex;
  gap: 0.8rem;
  text-align: left;
}

.trust__icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.trust__item strong {
  display: block;
  font-size: 0.95rem;
  color: var(--sage);
}

.trust__item p {
  margin: 0.2rem 0 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ============================================================
   SECTION HEAD
============================================================ */
.section-head {
  text-align: center;
  margin-bottom: 3.5rem;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.section-head h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 0.8rem;
}

.section-head__sub {
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin: 0;
}

/* ============================================================
   BENEFITS GRID
============================================================ */
.benefits {
  padding: 5rem 1.5rem;
  background: var(--white);
}

.benefits__grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

@media (max-width: 960px) {
  .benefits__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .benefits__grid { grid-template-columns: 1fr; }
}

.benefit-card {
  background: var(--cream-soft);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--line);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.benefit-card__icon {
  font-size: 2.4rem;
  display: block;
  margin-bottom: 1rem;
}

.benefit-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
  color: var(--sage);
}

.benefit-card p {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin: 0 0 1.2rem;
}

.tag {
  display: inline-block;
  background: var(--gold);
  color: var(--cream);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
}

.tag--alt {
  background: var(--coral);
}

/* ============================================================
   EFSA
============================================================ */
.efsa {
  padding: 5rem 1.5rem;
  background: var(--cream-soft);
}

.efsa__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.4fr 1.2fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 720px) {
  .efsa__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.efsa__logo {
  max-width: 120px;
}

.efsa h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  margin-bottom: 1rem;
}

.efsa__text {
  font-size: 1rem;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.8;
}

/* ============================================================
   PROBLEM SECTION
============================================================ */
.problem {
  background: linear-gradient(135deg, var(--sage) 0%, var(--coral-dark) 100%);
  color: var(--cream);
  padding: 5rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.problem::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.problem__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 860px) {
  .problem__inner {
    grid-template-columns: 1fr;
  }
  .problem__visual { display: none; }
}

.problem__visual {
  position: relative;
  height: auto;
}

.problem__img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
}

.problem__copy h2 {
  color: var(--cream);
  font-size: clamp(1.9rem, 4.2vw, 2.6rem);
  margin-bottom: 1.1rem;
}

.problem__copy p {
  color: rgba(250, 246, 240, 0.78);
  margin: 0 0 1rem;
}

.problem__highlight {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--gold);
  margin-bottom: 1.2rem !important;
}

.problem__copy .btn { margin-top: 0.8rem; }

/* ============================================================
   STEPS
============================================================ */
.steps {
  padding: 5rem 1.5rem;
}

.steps__grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 860px) {
  .steps__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .steps__grid { grid-template-columns: 1fr; }
}

.step {
  text-align: center;
  padding: 2rem 1.2rem;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
  position: relative;
}

.step__icon {
  font-size: 2.2rem;
  display: block;
  margin-bottom: 0.8rem;
}

.step h3 {
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
}

.step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* ============================================================
   REVIEWS
============================================================ */
.reviews {
  padding: 5rem 1.5rem;
  background: var(--cream-soft);
}

.reviews__grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 860px) {
  .reviews__grid { grid-template-columns: 1fr; }
}

.review-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.8rem;
  box-shadow: var(--shadow-soft);
}

.review-card__stars {
  color: var(--gold);
  margin: 0 0 0.6rem;
  font-size: 0.9rem;
}

.review-card__text {
  font-size: 0.96rem;
  color: var(--ink);
  margin: 0 0 1rem;
  font-style: italic;
}

.review-card__author {
  margin: 0;
  font-weight: 700;
  color: var(--sage);
  font-size: 0.9rem;
}

.reviews__rating {
  margin: 0;
  font-size: 1rem;
  color: var(--ink-soft);
}

/* ============================================================
   COMPARE TABLE
============================================================ */
.compare {
  padding: 5rem 1.5rem;
}

.compare__table-wrap {
  max-width: 760px;
  margin: 0 auto;
  overflow-x: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.compare__table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  font-size: 0.95rem;
}

.compare__table th,
.compare__table td {
  padding: 1.1rem 1.4rem;
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.compare__table td:first-child {
  text-align: left;
  font-weight: 600;
}

.compare__table th {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--sage);
}

.compare__table th:first-child { background: transparent; }

.compare__col-highlight {
  background: rgba(232, 98, 61, 0.06);
}

.compare__table th.compare__col-highlight {
  color: var(--coral-dark);
}

.icon-yes {
  color: var(--sage);
  font-weight: 800;
  font-size: 1.1rem;
}

.icon-no {
  color: var(--ink-soft);
  opacity: 0.5;
  font-weight: 800;
}

.icon-partial {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gold);
}

/* ============================================================
   FAQ
============================================================ */
.faq {
  padding: 5rem 1.5rem;
  background: var(--cream-soft);
}

.faq__list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.faq__item {
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  padding: 1.1rem 1.4rem;
}

.faq__item summary {
  cursor: pointer;
  font-weight: 700;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--sage);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq__item summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--coral);
  transition: transform 0.25s ease;
}

.faq__item[open] summary::after {
  transform: rotate(45deg);
}

.faq__item p {
  margin: 0.8rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ============================================================
   IMAGE SECTION
============================================================ */
.image-section {
  padding: 5rem 1.5rem;
  background: var(--cream-soft);
}

.image-section__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 960px) {
  .image-section__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.image-section__img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  width: 100%;
  height: auto;
}

.image-section__content h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin-bottom: 1.2rem;
  color: var(--sage);
}

.image-section__content p {
  color: var(--ink-soft);
  font-size: 1rem;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

/* ============================================================
   VIDEO SECTION
============================================================ */
.video-section {
  padding: 5rem 1.5rem;
  background: var(--white);
  text-align: center;
}

.video-section__inner {
  max-width: var(--container);
  margin: 0 auto;
}

.video-container {
  margin: 2.5rem 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
  background: var(--cream-soft);
}

.video-container__video {
  width: 100%;
  height: auto;
  display: block;
  max-width: 100%;
}

.video-section__inner .btn {
  margin-top: 2rem;
}
.footer-section {
  padding: 4rem 1.5rem;
  background: var(--cream);
  text-align: center;
}

.footer-section__inner {
  max-width: 600px;
  margin: 0 auto;
}

.footer-section__text {
  font-size: 1.1rem;
  color: var(--ink-soft);
  margin: 0 0 1rem;
  line-height: 1.7;
  font-weight: 500;
}

.footer-section__sub {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.6;
  font-style: italic;
  opacity: 0.85;
}

/* ============================================================
   FOOTER
============================================================ */
.footer {
  background: var(--sage);
  color: var(--cream);
  padding: 3rem 1.5rem 2rem;
}

.footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4rem;
  text-align: center;
}

.footer__nav {
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 0.88rem;
}

.footer__nav a {
  color: rgba(250, 246, 240, 0.75);
  transition: color 0.2s ease;
}

.footer__nav a:hover { color: var(--coral); }

.footer__copy {
  margin: 0;
  font-size: 0.8rem;
  color: rgba(250, 246, 240, 0.5);
}

/* Footer logo: use on the footer image to force white appearance */
.footer-logo {
  width: 150px;
  max-width: 100%;
  height: auto;
  filter: grayscale(1) brightness(0) invert(1);
  -webkit-filter: grayscale(1) brightness(0) invert(1);
}

/* ============================================================
   STICKY MOBILE CTA
============================================================ */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background: var(--white);
  border-top: 1px solid var(--line);
  padding: 0.8rem 1.2rem;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  box-shadow: 0 -8px 24px rgba(45, 59, 46, 0.08);
}

.sticky-cta__info {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.sticky-cta__info strong {
  font-family: var(--font-display);
  color: var(--sage);
}

.sticky-cta__info span {
  font-weight: 700;
  color: var(--coral-dark);
}

@media (max-width: 760px) {
  .sticky-cta { display: flex; }
  .hero { padding-bottom: 6.5rem; }
}

/* ============================================================
   SCROLL REVEAL
============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}