/* ============================================================
   CSS Custom Properties — exact values from Figma design tokens
   ============================================================ */
:root {
  /* colours */
  --c-bg-beige:     #f5f2ed;
  --c-bg-mid:       #e8e4dc;
  --c-brown:        #8b7355;
  --c-brown-dark:   #5a4a3a;
  --c-gold:         #c9a96e;
  --c-text-dark:    #364153;
  --c-text-mid:     #4a5565;
  --c-text-soft:    #6a7282;
  --c-white:        #ffffff;
  /* footer：略提亮背景 + 专用前景色，保证深色底上可读 */
  --ftr-bg:         #5e5043;
  --ftr-text:       #faf8f5;
  --ftr-text-strong:#ffffff;
  --ftr-text-soft:  #e8dfd4;

  /* typography */
  --f-serif: "Cormorant Garamond", "Noto Sans SC", serif;
  --f-sans:  "Montserrat", "Noto Sans SC", sans-serif;

  /* layout — 1534px canvas, 151px side gutter, 1232px content */
  --content-w: 1232px;
  --section-v: 80px;      /* vertical padding per section */
}

/* ============================================================
   Reset
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--f-sans);
  font-size: 16px;
  color: var(--c-text-dark);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
}
img { display: block; width: 100%; }
a { text-decoration: none; color: inherit; }
h1, h2, h3, h4, p { margin: 0; }

/* ============================================================
   Layout helper
   ============================================================ */
.wrap {
  width: min(var(--content-w), calc(100% - 48px));
  margin-inline: auto;
}

/* ============================================================
   Section colour helpers
   ============================================================ */
.sec-beige { background: var(--c-bg-beige); }
.sec-white { background: var(--c-white); }
.centered  { text-align: center; }

/* ============================================================
   Shared section heading
   ============================================================ */
.sec-head { margin-bottom: 64px; }

.sec-h2 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 48px;
  line-height: 1;
  color: var(--c-brown);
}
.sec-h2--sm { font-size: 36px; line-height: 40px; }

.sec-en {
  display: block;
  font-size: 14px;
  line-height: 20px;
  letter-spacing: 1.4px;
  color: var(--c-text-soft);
  margin-top: 16px;
}

/* ============================================================
   Link types
   ============================================================ */
.link-arr  { font-size: 14px; color: var(--c-brown); }
.link-more { font-size: 14px; color: var(--c-text-mid); }

/* ============================================================
   Buttons
   ============================================================ */
.btn-ghost {
  display: inline-block;
  width: 188px;
  height: 52px;
  line-height: 52px;
  text-align: center;
  background: var(--c-white);
  color: var(--c-brown);
  font-size: 14px;
  letter-spacing: 1.4px;
  font-family: var(--f-sans);
}

/* ============================================================
   HEADER
   ============================================================ */
.hdr {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .10), 0 1px 2px rgba(0, 0, 0, .06);
}
.hdr__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}
.hdr__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.hdr__logo img {
  width: 118px;
  height: 48px;
  object-fit: cover;
}
.hdr__nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.hdr__nav a {
  font-size: 14px;
  letter-spacing: 0.35px;
  color: var(--c-text-mid);
  transition: color .2s;
}
.hdr__nav a.is-active { color: var(--c-brown); }
.hdr__nav a:hover    { color: var(--c-brown); }

/* Products 二级下拉（桌面悬停：桥接间隙防闪烁 + 动效） */
.hdr__nav-item--dropdown {
  position: relative;
}
.hdr__nav-link--parent {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
@media (min-width: 769px) {
  /* 向下延伸不可见热区，鼠标移到菜单途中不丢失 hover */
  .hdr__nav-item--dropdown::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 14px;
    z-index: 199;
  }
  .hdr__nav-link--parent::after {
    content: "";
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    opacity: 0.45;
    transition: transform .22s ease, opacity .22s ease;
  }
  .hdr__nav-item--dropdown:hover .hdr__nav-link--parent::after,
  .hdr__nav-item--dropdown:focus-within .hdr__nav-link--parent::after {
    transform: rotate(180deg);
    opacity: 0.75;
  }
  .hdr__subnav {
    list-style: none;
    margin: 0;
    padding: 6px 0;
    position: absolute;
    left: 50%;
    top: calc(100% + 4px);
    transform: translateX(-50%) translateY(4px) scale(0.985);
    min-width: 248px;
    max-height: min(70vh, 420px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    background: var(--c-white);
    border: 1px solid rgba(90, 74, 58, .08);
    border-radius: 12px;
    box-shadow:
      0 4px 6px rgba(0, 0, 0, .04),
      0 16px 40px rgba(0, 0, 0, .1);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
      opacity .22s cubic-bezier(0.25, 0.8, 0.25, 1),
      transform .22s cubic-bezier(0.25, 0.8, 0.25, 1),
      visibility 0s linear .22s;
    z-index: 200;
  }
  .hdr__nav-item--dropdown:hover .hdr__subnav,
  .hdr__nav-item--dropdown:focus-within .hdr__subnav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0) scale(1);
    transition:
      opacity .22s cubic-bezier(0.25, 0.8, 0.25, 1),
      transform .22s cubic-bezier(0.25, 0.8, 0.25, 1),
      visibility 0s linear 0s;
  }
  .hdr__subnav li {
    margin: 0;
  }
  .hdr__subnav a {
    display: block;
    padding: 11px 20px;
    font-size: 14px;
    letter-spacing: 0.2px;
    color: var(--c-text-mid);
    white-space: nowrap;
    transition: background .15s ease, color .15s ease;
  }
  .hdr__subnav a:hover,
  .hdr__subnav a.is-active {
    background: var(--c-bg-beige);
    color: var(--c-brown);
  }
  .hdr__subnav li:first-child a {
    border-radius: 10px 10px 0 0;
  }
  .hdr__subnav li:last-child a {
    border-radius: 0 0 10px 10px;
  }
}

/* hamburger (mobile only) */
.hdr__burger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
}
.hdr__burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--c-brown);
  transition: transform .3s, opacity .3s;
}
.hdr__burger.is-open span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.hdr__burger.is-open span:nth-child(2) { opacity: 0; }
.hdr__burger.is-open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* ============================================================
   HERO  — 809px tall on Figma canvas (1534px wide)
   ============================================================ */
.hero {
  position: relative;
  height: 809px;
  overflow: hidden;
  background: var(--c-bg-mid);
}
.hero__bg {
  position: absolute;
  inset: 0;
  opacity: 0.9;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(0, 0, 0, .40)  0%,
    rgba(0, 0, 0, .20) 50%,
    rgba(0, 0, 0, .00) 100%
  );
}
.hero__body {
  position: relative;
  padding-top: 200px;
  color: var(--c-white);
  max-width: calc(var(--content-w) + 96px); /* keep text in left half */
}

/* eyebrow */
.eyebrow {
  font-size: 18px;
  letter-spacing: 1.8px;
  line-height: 28px;
  color: var(--c-gold);
  margin-bottom: 16px;
}

/* hero H1 */
.hero__h1 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 72px;
  line-height: 90px;
  color: var(--c-white);
  margin-bottom: 24px;
}

/* hero description */
.hero__sub {
  font-size: 24px;
  line-height: 39px;
  color: rgba(255, 255, 255, .90);
  margin-bottom: 32px;
}

/* ============================================================
   INTRO — Section 3:19 — bg #f5f2ed, height 546px
   ============================================================ */
.intro {
  padding: var(--section-v) 0;
}
.intro .wrap { max-width: 896px; }

.intro__text {
  margin-top: 32px;
  text-align: center;
}
.intro__text p {
  font-size: 16px;
  line-height: 26px;
  color: var(--c-text-dark);
  margin-top: 24px;
}
.intro__text p:first-child { margin-top: 0; }

.intro__tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0 24px;
  margin-top: 48px;
}
.intro__tags span {
  border-left: 2px solid var(--c-gold);
  padding-left: 10px;
  font-size: 14px;
  line-height: 20px;
  color: var(--c-text-mid);
}

/* ============================================================
   PRODUCTS — Section 3:40 — bg white, height 1112px
   ============================================================ */
.products { padding: var(--section-v) 0; }

/* ---- featured row ---- */
.prod-featured {
  display: grid;
  /* ratio: 813.328 : 394.656 ≈ 2.06 : 1 → use 2fr 1fr with 24px gap */
  grid-template-columns: 2.06fr 1fr;
  gap: 24px;
  margin-top: 64px;
}

.pf-main {
  position: relative;
  background: var(--c-bg-beige);
  height: 500px;
  overflow: hidden;
}
.pf-main__img {
  position: absolute;
  right: 0;
  top: 0;
  width: 60%;
  height: 100%;
  object-fit: cover;
}
.pf-main__copy {
  position: relative;
  z-index: 1;
  width: 40%;
  padding: 172px 0 0 48px;
}

.prod-h3 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 30px;
  line-height: 36px;
  color: var(--c-brown);
  margin-bottom: 12px;
}
.prod-h4 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 20px;
  line-height: 28px;
  color: var(--c-brown);
  margin-bottom: 8px;
}
.prod-subtitle {
  font-size: 16px;
  line-height: 24px;
  color: var(--c-gold);
  margin-bottom: 24px;
}
.pf-side {
  background: var(--c-bg-beige);
  height: 500px;
  overflow: hidden;
}
.pf-side img {
  height: 100%;
  object-fit: cover;
}

/* ---- 3-card row ---- */
.prod-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 24px;
}
.pc {
  position: relative;
  background: var(--c-bg-mid);
  min-height: 280px;
  padding: 32px;
  overflow: hidden;
}
.pc__ghost {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 96px;
  height: 96px;
  object-fit: cover;
  opacity: .20;
}
.pc .prod-subtitle { font-size: 14px; line-height: 20px; }

/* ============================================================
   INGREDIENTS — Section 3:84 — bg #f5f2ed, height 908px
   ============================================================ */
.ingr { padding: var(--section-v) 0; }

.ingr__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 0;
}

.ingr__photo img {
  height: 600px;
  width: 100%;
  object-fit: cover;
  border-radius: 10px;
}

.ingr__h3 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 30px;
  line-height: 36px;
  color: var(--c-brown);
  margin-bottom: 24px;
}
.ingr__name  { font-size: 16px; line-height: 24px; color: var(--c-gold); margin-bottom: 12px; }
.ingr__tag   { font-size: 14px; line-height: 20px; color: var(--c-text-mid); margin-bottom: 12px; }
.ingr__label { font-size: 16px; line-height: 26px; color: var(--c-text-dark); margin-bottom: 8px; }
.ingr__body  { font-size: 16px; line-height: 26px; color: var(--c-text-mid); }

.ingr__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}
.ic {
  background: var(--c-white);
  border-radius: 10px;
  padding: 24px 24px 20px;
}
.ic span {
  display: block;
  font-size: 36px;
  line-height: 40px;
  color: var(--c-gold);
  opacity: .30;
  margin-bottom: 8px;
}
.ic p {
  font-size: 14px;
  line-height: 20px;
  color: var(--c-text-dark);
}

/* ============================================================
   SCIENCE — Section 3:124 — bg white, height 854px
   ============================================================ */
.science { padding: var(--section-v) 0; }

.sci__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.sci__h3 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 24px;
  line-height: 32px;
  color: var(--c-brown);
  margin-bottom: 24px;
}
.sci__intro {
  font-size: 16px;
  line-height: 26px;
  color: var(--c-text-dark);
  margin-bottom: 24px;
}
.sci__labcard {
  background: var(--c-bg-beige);
  border-radius: 10px;
  padding: 32px;
}
.sci__labcard img {
  width: 100%;
  height: 256px;
  object-fit: cover;
  border-radius: 10px;
}
.sci__labcard p {
  font-size: 14px;
  line-height: 20px;
  color: var(--c-text-mid);
  margin-top: 16px;
}
.sci__right {
  padding-top: 23px;
}
.sci__right img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow:
    0 20px 25px -5px rgba(0, 0, 0, .10),
    0  8px 10px -6px rgba(0, 0, 0, .10);
}

/* ============================================================
   CERTIFICATIONS — Section 3:142 — bg #f5f2ed, height 436px
   ============================================================ */
.certs { padding: var(--section-v) 0; }

.cert__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.ci {
  background: var(--c-white);
  border-radius: 10px;
  min-height: 128px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 32px 8px;
}
.ci b {
  width: 64px;
  height: 36px;
  border-radius: 9999px;
  background: var(--c-bg-mid);
  color: var(--c-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 400;
  font-size: 24px;
}
.ci b img{
  max-width: 20px;
}
.ci p {
  font-size: 12px;
  line-height: 16px;
  color: var(--c-text-mid);
  text-align: center;
}

/* ============================================================
   TESTIMONIALS — Section 3:179 — bg white, height 668px
   ============================================================ */
.testi { padding: var(--section-v) 0; }

.testi__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.tc {
  background: var(--c-bg-beige);
  border-radius: 10px;
  padding: 32px;
}
.tc img {
  width: 100%;
  height: 192px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 24px;
}
.tc p {
  font-size: 16px;
  line-height: 26px;
  color: var(--c-text-dark);
  margin-bottom: 16px;
}
.tc span {
  font-size: 14px;
  line-height: 20px;
  color: var(--c-gold);
}

/* ============================================================
   CTA — Section 3:204 — bg #8b7355, height 400px
   ============================================================ */
.cta {
  background: var(--c-brown);
  padding: var(--section-v) 0;
  min-height: 400px;
  display: flex;
  align-items: center;
}
.cta__inner { padding-block: 16px; }

.cta__h2 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 48px;
  line-height: 48px;
  color: var(--c-white);
  margin-bottom: 24px;
}
.cta__sub {
  font-size: 20px;
  line-height: 28px;
  color: rgba(255, 255, 255, .90);
  margin-bottom: 48px;
}

/* ============================================================
   FOOTER — 法式多栏页脚（移动优先：窄屏单列 / 平板三栏 / 大屏五栏）
   覆盖全局 a{color:inherit}，避免链接呈灰/呈正文色导致看不清
   ============================================================ */
.ftr {
  background: var(--ftr-bg);
  padding: 56px 0 0;
  color: var(--ftr-text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.ftr p,
.ftr h3,
.ftr li {
  color: var(--ftr-text);
}
.ftr nav {
  display: block;
}
.ftr ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
/* 防止其它样式表给 li 加项目符号 */
.ftr .ftr__links li {
  list-style: none;
  margin: 0;
  padding: 0;
}
.ftr__main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
  padding-bottom: 36px;
  width: 100%;
}
.ftr__main > * {
  min-width: 0;
}
/* 平板：三栏站点地图 + 底行社交，避免「全挤在左侧一列」 */
@media (min-width: 600px) and (max-width: 1024px) {
  .ftr__main {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-areas:
      "brand brand brand"
      "explore brandnav service"
      "social social social";
    gap: 32px 28px;
    padding-bottom: 40px;
  }
  .ftr__main > *:nth-child(1) { grid-area: brand; }
  .ftr__main > *:nth-child(2) { grid-area: explore; }
  .ftr__main > *:nth-child(3) { grid-area: brandnav; }
  .ftr__main > *:nth-child(4) { grid-area: service; }
  .ftr__main > *:nth-child(5) { grid-area: social; }
}
/* 大屏：五栏横向铺满 */
@media (min-width: 1025px) {
  .ftr__main {
    grid-template-columns: minmax(0, 1.15fr) repeat(3, minmax(0, 1fr)) minmax(200px, 1.2fr);
    grid-template-areas: none;
    gap: 40px 36px;
    padding-bottom: 44px;
  }
  .ftr__main > * {
    grid-area: auto;
  }
}
.ftr__brand-name {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 32px;
  font-weight: 500;
  line-height: 1.1;
  color: var(--ftr-text-strong);
  letter-spacing: 0.04em;
  text-decoration: none;
  display: inline-block;
}
.ftr__brand-name:hover {
  color: #ffffff;
}
.ftr__brand-line {
  margin: 12px 0 0;
  max-width: 280px;
  font-size: 15px;
  line-height: 1.65;
  font-weight: 500;
  color: var(--ftr-text-strong);
}
.ftr__col-title {
  margin: 0 0 16px;
  font-family: "Montserrat", "Noto Sans SC", sans-serif;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ftr-text-soft);
}
.ftr__links {
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.ftr__links a {
  font-size: 15px;
  line-height: 1.45;
  font-weight: 600;
  color: var(--ftr-text-strong);
  text-decoration: none;
  transition: color .2s ease, opacity .2s ease;
}
.ftr__links a:hover {
  color: #ffffff;
  opacity: 1;
}
.ftr__social .ftr__icons {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 28px;
  justify-content: flex-start;
}
@media (min-width: 600px) and (max-width: 1024px) {
  .ftr__social .ftr__icons {
    justify-content: center;
  }
}
@media (min-width: 1025px) {
  .ftr__social .ftr__icons {
    justify-content: flex-start;
  }
}
.fi {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.fi i {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .14);
  display: flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
  font-size: 22px;
}
.fi i img {
  display: block;
  width: 28px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
}
.fi span {
  font-size: 13px;
  line-height: 1.45;
  font-weight: 500;
  color: var(--ftr-text-strong);
  text-align: center;
  max-width: 92px;
}
.ftr__legal {
  border-top: 1px solid rgba(255, 255, 255, .28);
  padding: 28px 0 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-align: center;
  max-width: 100%;
}
.ftr__legal-line {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  font-weight: 500;
  color: var(--ftr-text);
  max-width: 56rem;
}
.ftr__legal-line + .ftr__legal-line {
  margin-top: 0;
}
.ftr__legal-line a {
  color: var(--ftr-text-strong);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, .4);
}
.ftr__legal-line a:hover {
  color: #ffffff;
  border-bottom-color: rgba(255, 255, 255, .75);
}
.ftr__dot {
  display: inline-block;
  padding: 0 8px;
  color: rgba(255, 255, 255, .8);
  user-select: none;
}
/* 强制页脚内链接为浅色（高于全局 a{color:inherit}） */
footer.ftr a {
  color: var(--ftr-text-strong);
}
footer.ftr .ftr__legal-line {
  color: var(--ftr-text);
}
footer.ftr .ftr__legal-line a {
  color: var(--ftr-text-strong);
}
@media (max-width: 599px) {
  .ftr__brand-line { max-width: none; }
  .ftr__social .ftr__icons {
    justify-content: center;
    gap: 16px 20px;
  }
  .ftr__legal {
    padding: 24px 12px 36px;
    gap: 12px;
  }
  .ftr__legal-line {
    font-size: 12px;
    line-height: 1.65;
    max-width: 100%;
  }
  .ftr__dot {
    padding: 0 6px;
  }
}

/* ============================================================
   RESPONSIVE — tablet  ≤ 1024px
   ============================================================ */
@media (max-width: 1024px) {
  :root { --section-v: 72px; }

  .hero          { height: 640px; }
  .hero__h1      { font-size: 56px; line-height: 72px; }
  .hero__sub     { font-size: 20px; line-height: 32px; }

  .sec-h2        { font-size: 40px; }
  .sec-head      { margin-bottom: 48px; }

  .prod-featured { grid-template-columns: 1fr; }
  .pf-main       { height: 440px; }
  .pf-side       { height: 300px; }

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

  .ingr__layout  { grid-template-columns: 1fr; gap: 40px; }
  .ingr__photo img { height: 440px; }

  .sci__layout   { grid-template-columns: 1fr; gap: 40px; }
  .sci__right    { padding-top: 0; }
  .sci__right img { height: 400px; }

  .cert__grid    { grid-template-columns: repeat(3, 1fr); }

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

/* ============================================================
   RESPONSIVE — mobile  ≤ 768px
   ============================================================ */
@media (max-width: 768px) {
  :root { --section-v: 56px; }

  /* header */
  .hdr__inner { height: 72px; }
  .hdr__burger { display: flex; }
  .hdr__nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(255, 255, 255, .98);
    border-top: 1px solid #eee;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .08);
  }
  .hdr__nav.is-open { display: flex; }
  .hdr__nav > a {
    display: block;
    padding: 14px 24px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 15px;
  }
  .hdr__nav-item--dropdown {
    width: 100%;
    border-bottom: 1px solid #f0f0f0;
  }
  .hdr__nav-link--parent {
    display: block;
    padding: 14px 24px;
    font-size: 15px;
  }
  .hdr__subnav {
    list-style: none;
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    min-width: 0;
    max-height: none;
    overflow: visible;
    width: 100%;
    box-shadow: none;
    border: 0;
    border-radius: 0;
    padding: 0 0 8px;
    background: #faf8f5;
  }
  .hdr__subnav a {
    padding: 10px 24px 10px 40px;
    font-size: 14px;
    border-bottom: 1px solid #eee;
    white-space: normal;
    transition: background .15s ease, color .15s ease;
  }
  .hdr__subnav a:hover,
  .hdr__subnav a.is-active {
    background: rgba(139, 115, 85, .08);
    color: var(--c-brown);
  }
  .hdr__subnav li:last-child a {
    border-bottom: 0;
  }

  /* hero */
  .hero         { height: 520px; }
  .hero__body   { padding-top: 130px; }
  .eyebrow      { font-size: 13px; letter-spacing: 1px; }
  .hero__h1     { font-size: 40px; line-height: 52px; }
  .hero__sub    { font-size: 16px; line-height: 26px; }
  .btn-ghost    { width: 172px; height: 48px; line-height: 48px; font-size: 13px; }

  /* section heads */
  .sec-h2       { font-size: 32px; line-height: 36px; }
  .sec-h2--sm   { font-size: 28px; line-height: 32px; }
  .sec-head     { margin-bottom: 36px; }

  /* intro */
  .intro__text p { font-size: 15px; line-height: 24px; }
  .intro__tags   { gap: 12px; }

  /* products */
  .prod-featured { margin-top: 36px; grid-template-columns: 1fr; }
  .pf-main { height: 380px; }
  .pf-main__img { width: 55%; }
  .pf-main__copy { width: 48%; padding: 120px 0 0 24px; }
  .prod-h3 { font-size: 22px; line-height: 28px; }
  .prod-cards { grid-template-columns: 1fr; }
  .pc { min-height: 200px; }

  /* ingredients */
  .ingr__photo img { height: 320px; }
  .ingr__h3 { font-size: 26px; line-height: 32px; }
  .ingr__cards { grid-template-columns: 1fr; }

  /* science */
  .sci__h3 { font-size: 22px; line-height: 30px; }
  .sci__right img { height: 300px; }
  .sci__labcard img { height: 200px; }

  /* certs */
  .cert__grid { grid-template-columns: repeat(2, 1fr); }

  /* testimonials */
  .testi__grid { grid-template-columns: 1fr; }
  .tc img { height: 220px; }

  /* cta */
  .cta { min-height: 320px; }
  .cta__h2 { font-size: 34px; line-height: 40px; }
  .cta__sub { font-size: 16px; line-height: 24px; margin-bottom: 32px; }
}

/* ============================================================
   RESPONSIVE — small mobile  ≤ 480px
   ============================================================ */
@media (max-width: 480px) {
  .hero         { height: 480px; }
  .hero__h1     { font-size: 34px; line-height: 44px; }
  .hero__sub    { font-size: 15px; }
  .sec-h2       { font-size: 28px; }

  .pf-main { height: 340px; flex-direction: column; }
  .pf-main__img  { width: 100%; height: 60%; position: relative; }
  .pf-main__copy { width: 100%; padding: 16px 20px; }

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

  .cta__h2 { font-size: 28px; }
  .ftr__social .ftr__icons { gap: 14px 16px; }
}
