/* =======================================================
   GRWTH — site.css
   Prefix: .grw-
   ======================================================= */

/* --- 1. Font imports --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,400;14..32,500;14..32,600;14..32,700;14..32,800;14..32,900&display=swap');

/* --- 2. Design tokens --- */
:root {
  --ink:        #0F0F0F;
  --charcoal:   #2A2A2A;
  --dark:       #444;
  --mid:        #777;
  --stone:      #999;
  --silver:     #bbb;
  --line:       #E5E5E2;
  --light:      #F0F0ED;
  --bone:       #F7F7F5;
  --paper:      #FFF;

  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --max-w:   1240px;
  --r:       14px;
  --r-sm:    10px;
  --r-lg:    20px;
  --r-pill:  100px;
  --ease:    cubic-bezier(.4,0,.2,1);
}

/* --- 3. Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bone);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul  { list-style: none; }

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

.grw-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* Buttons */
.grw-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 15px 32px;
  border-radius: var(--r-pill);
  transition: all .25s var(--ease);
  white-space: nowrap;
}

.grw-btn--primary {
  background: var(--ink);
  color: var(--paper);
}
.grw-btn--primary:hover {
  background: var(--charcoal);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0,0,0,.06);
}

.grw-btn--outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line);
}
.grw-btn--outline:hover {
  border-color: var(--stone);
  background: var(--paper);
}

.grw-btn--white {
  background: var(--paper);
  color: var(--ink);
}
.grw-btn--white:hover {
  background: var(--bone);
  transform: translateY(-1px);
}

.grw-btn--full { width: 100%; }

/* Placeholder images */
.grw-ph {
  background: var(--light);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: block;
}
.grw-ph--dark {
  background: #1a1a1a;
}

.grw-ph img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}


/* ===========================================================
   4. HEADER
   =========================================================== */
.grw-ann {
  background: var(--ink);
  color: var(--paper);
  text-align: center;
  padding: 11px 24px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .02em;
}

.grw-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247,247,245,.9);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(0,0,0,.04);
}

.grw-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.grw-logo {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--ink);
}

.grw-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.grw-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--dark);
  transition: color .2s;
}
.grw-nav a:hover { color: var(--ink); }

.grw-header__right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Burger */
.grw-burger {
  display: none;
  width: 24px;
  height: 24px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.grw-burger span {
  display: block;
  height: 1.5px;
  background: var(--ink);
  border-radius: 1px;
  transition: all .25s var(--ease);
}

/* Mobile overlay */
.grw-mnav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bone);
  z-index: 200;
  padding: 24px;
  flex-direction: column;
}
.grw-mnav[data-open="true"] { display: flex; }

.grw-mnav__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 56px;
}

.grw-mnav__close {
  font-size: 28px;
  color: var(--ink);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.grw-mnav__links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.grw-mnav__links a {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -.02em;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.grw-mnav__bottom {
  margin-top: auto;
  padding-top: 32px;
}


/* ===========================================================
   5. FOOTER
   =========================================================== */
.grw-footer {
  background: var(--ink);
  color: var(--paper);
  padding: 80px 0 0;
  overflow: hidden;
}

.grw-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 48px;
  padding-bottom: 64px;
  border-bottom: 1px solid #1f1f1f;
}

.grw-footer__brand p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin-top: 16px;
  max-width: 280px;
}

.grw-footer__col h4 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: #555;
  margin-bottom: 20px;
}

.grw-footer__col a {
  display: block;
  font-size: 14px;
  color: #888;
  padding: 5px 0;
  transition: color .2s;
}
.grw-footer__col a:hover { color: var(--paper); }

.grw-footer__bottom {
  padding: 28px 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.grw-footer__bottom p {
  font-size: 12px;
  color: #444;
}

.grw-footer__legal {
  display: flex;
  gap: 20px;
}

.grw-footer__legal a {
  font-size: 12px;
  color: #444;
  transition: color .2s;
}
.grw-footer__legal a:hover { color: #888; }

.grw-footer__reg {
  padding: 24px 0;
  border-top: 1px solid #1f1f1f;
  font-size: 12px;
  color: #444;
  line-height: 1.6;
}

/* Massive wordmark */
.grw-footer__mark {
  padding: 48px 0 0;
  line-height: .78;
  text-align: center;
  overflow: hidden;
}

.grw-footer__mark span {
  font-family: var(--font-display);
  font-size: clamp(100px, 19vw, 300px);
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: rgba(255,255,255,.03);
  user-select: none;
  display: block;
}


/* ===========================================================
   6. PAGE — HOME
   =========================================================== */

/* --- Hero --- */
.grw-hero {
  padding: 64px 0 0;
}

.grw-hero__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: center;
  min-height: 520px;
}

.grw-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(42px, 5.5vw, 68px);
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: 1.05;
  margin-bottom: 24px;
}

.grw-hero__sub {
  font-size: 19px;
  line-height: 1.6;
  color: var(--dark);
  max-width: 480px;
  margin-bottom: 36px;
}

.grw-hero__btns {
  display: flex;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.grw-hero__trust {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.grw-hero__trust span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--dark);
}

.grw-hero__trust span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink);
  flex-shrink: 0;
}

.grw-hero__img {
  aspect-ratio: 4 / 5;
}

/* --- Trust strip --- */
.grw-trust {
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}

.grw-trust__row {
  display: none;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.grw-trust__pill {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  background: var(--paper);
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 500;
  color: var(--dark);
  white-space: nowrap;
}

/* --- Section utility --- */
.grw-section {
  padding: 120px 0;
}

.grw-section--white {
  background: var(--paper);
}

.grw-section--dark {
  background: var(--ink);
  color: var(--paper);
}

.grw-section__head {
  text-align: center;
  margin-bottom: 56px;
}

.grw-section__head h2,
.grw-section h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.1;
}

.grw-section__head p {
  color: var(--mid);
  max-width: 500px;
  margin: 16px auto 0;
}

/* --- Editorial split --- */
.grw-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.grw-split--reverse .grw-split__img  { order: 2; }
.grw-split--reverse .grw-split__text { order: 1; }

.grw-split__img {
  aspect-ratio: 4 / 5;
  min-height: 400px;
  border-radius: var(--r-lg);
}

.grw-split__text h2 {
  margin-bottom: 20px;
}

.grw-split__text p {
  color: var(--dark);
  margin-bottom: 24px;
  font-size: 17px;
  line-height: 1.65;
  max-width: 460px;
}

/* --- Category cards --- */
.grw-cats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.grw-cat {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bone);
  border: 1px solid var(--line);
  transition: all .3s var(--ease);
  display: block;
}

.grw-cat:hover {
  border-color: var(--stone);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,.06);
}

.grw-cat__img {
  aspect-ratio: 4 / 3;
  border-radius: 0;
}

.grw-cat__body {
  padding: 28px 24px;
}

.grw-cat__body h3 {
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 24px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.2;
  margin-bottom: 8px;
}

.grw-cat__body p {
  font-size: 15px;
  color: var(--mid);
  line-height: 1.55;
  margin-bottom: 20px;
}

.grw-cat__link {
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.grw-cat__link svg {
  width: 14px;
  height: 14px;
  transition: transform .2s;
}

.grw-cat:hover .grw-cat__link svg {
  transform: translateX(3px);
}

/* --- Featured product --- */
.grw-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.grw-featured__img {
  aspect-ratio: 1 / 1;
  border-radius: var(--r-lg);
}

.grw-featured__text h3 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.grw-featured__text p {
  color: var(--dark);
  margin-bottom: 24px;
  line-height: 1.65;
}

.grw-featured__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.grw-tag {
  font-size: 13px;
  font-weight: 500;
  padding: 7px 16px;
  border-radius: var(--r-pill);
  background: var(--bone);
  color: var(--dark);
}

.grw-section--dark .grw-tag {
  background: #222;
  color: #aaa;
}

.grw-featured__note {
  font-size: 13px;
  color: var(--stone);
  margin-top: 12px;
  line-height: 1.5;
}

/* --- How it works --- */
.grw-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.grw-step {
  background: var(--paper);
  border-radius: var(--r);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color .3s var(--ease);
}

.grw-step:hover { border-color: var(--stone); }

.grw-step__img {
  aspect-ratio: 4 / 3;
  border-radius: 0;
}

.grw-step__body {
  padding: 24px 20px;
}

.grw-step__body h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.grw-step__body p {
  font-size: 14px;
  color: var(--mid);
  line-height: 1.55;
}

/* --- Clinical reassurance --- */
.grw-clinical {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}

.grw-clinical__text h2 {
  margin-bottom: 20px;
}

.grw-clinical__text > p {
  color: #999;
  margin-bottom: 40px;
  font-size: 17px;
  line-height: 1.65;
  max-width: 460px;
}

.grw-clinical__list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.grw-clinical__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.grw-clinical__icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #1f1f1f;
  border: 1px solid #2a2a2a;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.grw-clinical__icon svg {
  width: 18px;
  height: 18px;
  color: var(--paper);
}

.grw-clinical__item h4 {
  color: var(--paper);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.grw-clinical__item p {
  font-size: 14px;
  color: #777;
  line-height: 1.55;
}

.grw-clinical__img {
  aspect-ratio: 4 / 5;
  min-height: 440px;
}

/* --- Comparison table --- */
.grw-compare {
  display: grid;
  grid-template-columns: 180px repeat(3, 1fr);
  background: var(--paper);
  border-radius: var(--r);
  border: 1px solid var(--line);
  overflow: hidden;
}

.grw-compare__head {
  padding: 22px 18px;
  font-size: 14px;
  font-weight: 600;
  border-bottom: 1px solid var(--line);
}

.grw-compare__head--grwth {
  background: var(--ink);
  color: var(--paper);
  border-bottom-color: #333;
}

.grw-compare__label {
  padding: 15px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--dark);
  border-bottom: 1px solid var(--line);
}

.grw-compare__cell {
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
}

.grw-compare__cell--grwth {
  background: #fafaf8;
}

.grw-compare__cell svg { width: 18px; height: 18px; }
.grw-compare__cell .grw-ico-yes  { color: var(--ink); }
.grw-compare__cell .grw-ico-no   { color: #ddd; }
.grw-compare__cell .grw-ico-some { color: var(--silver); }

.grw-compare > *:nth-last-child(-n+4) { border-bottom: none; }

/* --- Reviews --- */
.grw-reviews {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.grw-review {
  background: var(--bone);
  border-radius: var(--r);
  padding: 32px 28px;
  border: 1px solid var(--line);
}

.grw-review__stars {
  display: flex;
  gap: 2px;
  margin-bottom: 16px;
}

.grw-review__stars svg {
  width: 15px;
  height: 15px;
  fill: var(--ink);
}

.grw-review__text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--dark);
  margin-bottom: 24px;
}

.grw-review__who {
  display: flex;
  align-items: center;
  gap: 12px;
}

.grw-review__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--mid);
}

.grw-review__name {
  font-size: 14px;
  font-weight: 600;
}

.grw-review__label {
  font-size: 12px;
  color: var(--stone);
}

.grw-reviews-note {
  text-align: center;
  font-size: 14px;
  color: var(--stone);
  padding: 20px;
  background: var(--bone);
  border-radius: var(--r-sm);
  border: 1px dashed var(--line);
}

/* --- FAQ (native details) --- */
.grw-faq-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}

.grw-faq-left h2 { margin-bottom: 16px; }
.grw-faq-left p  { color: var(--mid); margin-bottom: 28px; }

.grw-faq-list {
  display: flex;
  flex-direction: column;
}

.grw-faq-list details {
  border-bottom: 1px solid var(--line);
}

.grw-faq-list summary {
  padding: 24px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color .2s;
}

.grw-faq-list summary:hover { color: var(--dark); }

.grw-faq-list summary::-webkit-details-marker { display: none; }

.grw-faq-list summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  flex-shrink: 0;
  transition: transform .3s var(--ease);
  line-height: 1;
}

.grw-faq-list details[open] summary::after {
  transform: rotate(45deg);
}

.grw-faq-list details .grw-faq-answer {
  padding-bottom: 24px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--mid);
}

/* --- Final CTA --- */
.grw-cta-final {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.grw-cta-final h2 {
  margin-bottom: 20px;
}

.grw-cta-final > div:first-child p {
  color: #999;
  margin-bottom: 36px;
  font-size: 18px;
  line-height: 1.6;
  max-width: 440px;
}

.grw-cta-final__img {
  aspect-ratio: 4 / 3;
  min-height: 340px;
}


/* ===========================================================
   7. MOBILE — single breakpoint
   =========================================================== */
@media (max-width: 880px) {

  /* Header */
  .grw-nav { display: none; }
  .grw-header__right .grw-btn { display: none; }
  .grw-burger { display: flex; }

  /* Spacing */
  .grw-section { padding: 80px 0; }

  /* Hero */
  .grw-hero { padding: 40px 0 0; }
  .grw-hero__grid {
    grid-template-columns: 1fr;
    gap: 40px;
    min-height: auto;
  }
  .grw-hero__img { order: -1; aspect-ratio: 16 / 9; }
  .grw-hero h1 { text-align: center; }
  .grw-hero__sub { max-width: 100%; text-align: center; }
  .grw-hero__btns { justify-content: center; flex-direction: column; }
  .grw-hero__btns .grw-btn { width: 100%; }
  .grw-hero__trust { justify-content: center; flex-direction: column; align-items: center; gap: 10px; }

  /* Trust */
  .grw-trust__row {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
    gap: 8px;
  }

  /* Splits */
  .grw-split {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .grw-split--reverse .grw-split__text { order: 2; }
  .grw-split--reverse .grw-split__img  { order: 1; }
  .grw-split__text p { max-width: 100%; }
  .grw-split__img { min-height: 260px; aspect-ratio: 16 / 10; }

  /* Categories */
  .grw-cats {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  /* Featured */
  .grw-featured {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .grw-featured__img { aspect-ratio: 16 / 10; }

  /* Steps */
  .grw-steps {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  /* Clinical */
  .grw-clinical {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .grw-clinical__img { min-height: 260px; aspect-ratio: 16 / 10; order: -1; }
  .grw-clinical__text > p { max-width: 100%; }

  /* Compare */
  .grw-compare {
    grid-template-columns: 110px repeat(3, 1fr);
  }
  .grw-compare__head,
  .grw-compare__label,
  .grw-compare__cell {
    padding: 12px 8px;
    font-size: 12px;
  }

  /* Reviews */
  .grw-reviews {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto 40px;
  }

  /* FAQ */
  .grw-faq-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* CTA */
  .grw-cta-final {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .grw-cta-final > div:first-child p { max-width: 100%; margin-left: auto; margin-right: auto; }
  .grw-cta-final__img { aspect-ratio: 16 / 9; min-height: 220px; }

  /* Footer */
  .grw-footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}