/* =============================================
   APEX SUGAR SHIELD — INSTITUTIONAL PAGE (V2)
   Dark Mode | Editorial | Deep Purple
   style-v2.css
   ============================================= */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  --clr-bg:           #0D0010;
  --clr-bg-alt:       #1a0520;
  --clr-bg-card:      rgba(255,255,255,.025);
  --clr-purple:       #8E24AA;
  --clr-purple-deep:  #3A0050;
  --clr-purple-lt:    #7B1FA2;
  --clr-magenta:      #C2185B;
  --clr-neon:         #E040FB;
  --clr-silver:       #C0C0C0;
  --clr-silver-lt:    #E8E8E8;
  --clr-white:        #FFFFFF;
  --clr-text:         #FFFFFF;
  --clr-text-mid:     rgba(255,255,255,.72);
  --clr-text-muted:   rgba(255,255,255,.48);
  --clr-border:       rgba(142,36,170,.25);
  --clr-border-lt:    rgba(142,36,170,.14);

  --grad-chrome:      linear-gradient(180deg, #FFFFFF 0%, #C0C0C0 40%, #8E8E8E 70%, #C0C0C0 100%);
  --grad-cta:         linear-gradient(90deg, #8E24AA, #E040FB, #C2185B);
  --grad-purple:      linear-gradient(135deg, #3A0050, #8E24AA);
  --glow-purple:      0 0 30px rgba(142,36,170,.55), 0 0 60px rgba(142,36,170,.22);
  --glow-cta:         0 0 20px rgba(224,64,251,.65), 0 0 40px rgba(194,24,91,.35);

  --ff-display:       'Oxanium', sans-serif;
  --ff-body:          'DM Sans', sans-serif;

  --shadow-sm:        0 2px 12px rgba(0,0,0,.4);
  --shadow-md:        0 8px 30px rgba(0,0,0,.5);
  --shadow-lg:        0 20px 60px rgba(0,0,0,.6);

  --radius-sm:   6px;
  --radius-md:   14px;
  --radius-lg:   22px;
  --radius-xl:   40px;

  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--ff-body);
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }
strong { font-weight: 600; color: var(--clr-white); }

/* ===== AMBIENT BG PARTICLES ===== */
.bg-ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(142,36,170,.13) 0%, transparent 70%);
  animation: particleDrift 14s ease-in-out infinite;
}
.p1 { width: 400px; height: 400px; top: -80px; left: -100px; animation-delay: 0s; }
.p2 { width: 300px; height: 300px; top: 25%; right: -60px; animation-delay: -4s;
      background: radial-gradient(circle, rgba(194,24,91,.09) 0%, transparent 70%); }
.p3 { width: 500px; height: 500px; bottom: 10%; left: 10%; animation-delay: -7s; }
.p4 { width: 200px; height: 200px; top: 55%; right: 25%; animation-delay: -2s;
      background: radial-gradient(circle, rgba(224,64,251,.1) 0%, transparent 70%); }
.p5 { width: 360px; height: 360px; top: 10%; left: 40%; animation-delay: -10s; }
.p6 { width: 250px; height: 250px; bottom: 5%; right: 5%; animation-delay: -5s;
      background: radial-gradient(circle, rgba(194,24,91,.07) 0%, transparent 70%); }

@keyframes particleDrift {
  0%,100% { transform: translate(0, 0) scale(1);    opacity: .6; }
  33%      { transform: translate(26px,-16px) scale(1.07); opacity: .9; }
  66%      { transform: translate(-16px,26px) scale(.93); opacity: .4; }
}

/* ===== LAYOUT ===== */
.container-inst {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}
section { position: relative; z-index: 1; }

/* ===== CHROME TEXT ===== */
.chrome-text {
  background: var(--grad-chrome);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.accent-text {
  color: var(--clr-neon);
  -webkit-text-fill-color: var(--clr-neon);
  text-shadow: 0 0 36px rgba(224, 64, 251, 0.35);
}

/* ===== TYPOGRAPHY SYSTEM ===== */
.inst-eyebrow {
  display: inline-block;
  font-family: var(--ff-display);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--clr-neon);
  margin-bottom: .9rem;
  padding: .25rem .8rem;
  border: 1px solid rgba(224,64,251,.3);
  border-radius: var(--radius-xl);
  background: rgba(224,64,251,.05);
}

.inst-heading {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.02em;
  margin-bottom: 1.4rem;
  background: var(--grad-chrome);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.inst-heading-lg {
  font-family: var(--ff-display);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.025em;
  margin-bottom: 1.4rem;
  background: var(--grad-chrome);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.inst-subtext {
  font-size: 1.05rem;
  color: var(--clr-text-mid);
  line-height: 1.75;
  max-width: 640px;
}

.section-header-inst {
  text-align: center;
  margin-bottom: 4rem;
}
.section-header-inst .inst-subtext { margin: 0 auto; }

.inst-text-link {
  display: inline-block;
  font-family: var(--ff-display);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--clr-neon);
  border-bottom: 1px solid rgba(224,64,251,.35);
  padding-bottom: 2px;
  transition: border-color .2s, color .2s;
}
.inst-text-link:hover { border-color: var(--clr-neon); color: #fff; }

/* ===== SCROLL REVEAL ===== */
.ing-card,
.science-pillar,
.usage-step,
.qual-badge,
.faq-item,
.ing-support-item {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .55s var(--ease-out), transform .55s var(--ease-out);
}
.ing-card.inst-visible,
.science-pillar.inst-visible,
.usage-step.inst-visible,
.qual-badge.inst-visible,
.faq-item.inst-visible,
.ing-support-item.inst-visible {
  opacity: 1;
  transform: translateY(0);
}



/* ===== NAVIGATION ===== */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(13,0,16,.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border-lt);
  transition: box-shadow .3s, background .3s;
}
.site-nav.nav-scrolled {
  background: rgba(13,0,16,.96);
  box-shadow: 0 4px 30px rgba(142,36,170,.15);
  border-bottom-color: var(--clr-border);
}
.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 28px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav-logo { display: flex; align-items: center; gap: .75rem; }
.nav-logo-mark { flex-shrink: 0; }
.nav-logo-text { display: flex; flex-direction: column; line-height: 1; }
.nav-apex {
  font-family: var(--ff-display);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: .12em;
  background: var(--grad-chrome);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-sub {
  font-family: var(--ff-display);
  font-size: .42rem;
  font-weight: 600;
  letter-spacing: .3em;
  color: var(--clr-neon);
  -webkit-text-fill-color: var(--clr-neon);
  text-transform: uppercase;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
}
.nav-links a {
  font-family: var(--ff-display);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--clr-silver);
  padding: .4rem .7rem;
  border-radius: var(--radius-sm);
  transition: color .2s, background .2s;
  text-transform: uppercase;
}
.nav-links a:hover { color: var(--clr-neon); background: rgba(224,64,251,.07); }
.nav-order-btn {
  padding: .55rem 1.2rem !important;
  background: var(--grad-cta) !important;
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  border-radius: var(--radius-xl) !important;
  box-shadow: var(--glow-cta) !important;
  transition: transform .2s, box-shadow .2s !important;
}
.nav-order-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 28px rgba(224,64,251,.85), 0 0 55px rgba(194,24,91,.45) !important;
  color: #fff !important;
  background: var(--grad-cta) !important;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--clr-silver);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.nav-hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO INSTITUTIONAL ===== */
.hero-inst {
  padding-top: 72px;
  position: relative;
  background: var(--clr-bg);
  overflow: hidden;
}
/* Diagonal glow accent */
.hero-inst::before {
  content: '';
  position: absolute;
  top: 0; right: -150px;
  width: 55%; height: 100%;
  background: linear-gradient(135deg, transparent, rgba(58,0,80,.35), rgba(142,36,170,.1));
  clip-path: polygon(20% 0%, 100% 0%, 100% 100%, 0% 100%);
  pointer-events: none;
}
.hero-inst-layout {
  max-width: 1140px;
  margin: 0 auto;
  padding: 80px 28px 70px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  min-height: calc(100vh - 72px);
  position: relative;
  z-index: 1;
}
.hero-inst-eyebrow {
  display: block;
  font-family: var(--ff-display);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--clr-neon);
  margin-bottom: 1rem;
}
.hero-inst-headline {
  font-family: var(--ff-display);
  font-size: clamp(2.6rem, 5.5vw, 4.8rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.03em;
  color: var(--clr-silver-lt);
  margin-bottom: 1.5rem;
}
.hero-inst-accent {
  font-style: normal;
  background: var(--grad-chrome);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}
.hero-inst-accent::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-magenta), var(--clr-neon));
  border-radius: 2px;
  opacity: .5;
}
.hero-inst-desc {
  font-size: 1.05rem;
  color: var(--clr-text-mid);
  line-height: 1.78;
  max-width: 480px;
  margin-bottom: 2.5rem;
}

/* Cert badges */
.hero-inst-certs { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.cert-item { display: flex; flex-direction: column; align-items: center; gap: .35rem; }
.cert-mark {
  font-family: var(--ff-display);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .07em;
  color: var(--clr-silver);
  background: rgba(142,36,170,.15);
  border: 1px solid rgba(142,36,170,.3);
  border-radius: var(--radius-sm);
  padding: .35rem .55rem;
  line-height: 1.1;
  text-align: center;
  min-width: 46px;
}
.cert-label {
  font-size: .62rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  text-align: center;
  letter-spacing: .03em;
}

/* Hero visual */
.hero-inst-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.shield-decor {
  position: absolute;
  inset: -40px;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 0;
}
.shield-bg-svg {
  width: 85%;
  height: auto;
  animation: shieldBreathing 7s ease-in-out infinite;
  filter: drop-shadow(0 0 30px rgba(142,36,170,.3));
}
@keyframes shieldBreathing {
  0%,100% { transform: scale(1);   opacity: .7; }
  50%      { transform: scale(1.04); opacity: 1; }
}
.hero-inst-img {
  position: relative;
  z-index: 1;
  object-fit: contain;
  filter: drop-shadow(0 20px 50px rgba(142,36,170,.5)) drop-shadow(0 0 30px rgba(224,64,251,.2));
  max-height: 460px;
  width: auto;
  animation: productFloat 5.5s ease-in-out infinite;
}
@keyframes productFloat {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

/* Horizontal rule */
.hero-inst-rule {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(142,36,170,.4), transparent);
}

/* ===== STORY ===== */
.story {
  padding: 100px 0;
  background: var(--clr-bg);
}
.story-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.story-img-wrap { position: relative; }
.story-img {
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0,0,0,.5);
  width: 100%;
  object-fit: cover;
}
.story-img--product {
  background: rgba(58,0,80,.3);
  padding: 2rem;
  object-fit: contain;
  filter: drop-shadow(0 16px 40px rgba(142,36,170,.45));
  border: 1px solid var(--clr-border);
}
.story-img-caption {
  position: absolute;
  bottom: -14px; right: 20px;
  font-size: .72rem;
  color: var(--clr-text-muted);
  background: var(--clr-bg-alt);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: .5rem .8rem;
  max-width: 200px;
  line-height: 1.4;
  font-style: italic;
  box-shadow: var(--shadow-sm);
}
.story-text-col { display: flex; flex-direction: column; gap: .2rem; }
.story-text-col p { color: var(--clr-text-mid); font-size: .98rem; line-height: 1.78; }
.story-text-col strong { color: var(--clr-neon); }
.story-text-col .inst-text-link { margin-top: .8rem; align-self: flex-start; }

/* ===== INGREDIENTS DEEP ===== */
.ingredients-deep {
  padding: 100px 0;
  background: linear-gradient(180deg, transparent, rgba(26,5,32,.8), transparent);
}
.ing-category { margin-bottom: 4rem; }
.ing-category:last-child { margin-bottom: 0; }
.ing-cat-title {
  display: flex;
  align-items: baseline;
  gap: .9rem;
  font-family: var(--ff-display);
  font-size: .9rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 1.8rem;
  padding-bottom: .9rem;
  border-bottom: 1px solid var(--clr-border);
  background: var(--grad-chrome);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ing-cat-num {
  font-size: .62rem;
  -webkit-text-fill-color: var(--clr-neon);
  background: rgba(224,64,251,.08);
  border: 1px solid rgba(224,64,251,.25);
  border-radius: 4px;
  padding: .15rem .45rem;
  letter-spacing: .1em;
}

/* Ingredient cards grid */
.ing-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.ing-cards-grid--5 {
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.ing-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border-lt);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: box-shadow .3s var(--ease-out), border-color .3s, transform .3s var(--ease-out), background .3s;
}
.ing-card:hover {
  box-shadow: 0 12px 32px rgba(142,36,170,.2);
  border-color: rgba(224,64,251,.35);
  background: rgba(142,36,170,.08);
  transform: translateY(-4px);
}
.ing-card--compact { padding: 1.4rem; }
.ing-card-header {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin-bottom: .5rem;
}
.ing-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--clr-neon);
  flex-shrink: 0;
  box-shadow: 0 0 6px rgba(224,64,251,.6);
}
.ing-dot--amber { background: var(--clr-magenta); box-shadow: 0 0 6px rgba(194,24,91,.5); }
.ing-name {
  font-family: var(--ff-display);
  font-size: .92rem;
  font-weight: 700;
  background: var(--grad-chrome);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: .02em;
  margin-bottom: 0;
}
.ing-card--compact .ing-name { font-size: .85rem; margin-bottom: .6rem; }
.ing-origin {
  font-size: .68rem;
  color: var(--clr-neon);
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: .7rem;
}
.ing-desc { font-size: .88rem; color: var(--clr-text-mid); line-height: 1.7; margin-bottom: 1rem; }
.ing-desc-sm { font-size: .85rem; color: var(--clr-text-mid); line-height: 1.68; }
.ing-tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.ing-tag {
  font-size: .65rem;
  font-weight: 600;
  color: var(--clr-neon);
  background: rgba(224,64,251,.08);
  border: 1px solid rgba(224,64,251,.2);
  border-radius: 4px;
  padding: .2rem .55rem;
  letter-spacing: .04em;
}

/* Support grid */
.ing-support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.ing-support-item {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border-lt);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  transition: box-shadow .3s, border-color .3s, background .3s;
}
.ing-support-item:hover {
  box-shadow: 0 8px 24px rgba(142,36,170,.18);
  border-color: rgba(224,64,251,.3);
  background: rgba(142,36,170,.07);
}
.ing-support-item h5 {
  font-family: var(--ff-display);
  font-size: .82rem;
  font-weight: 700;
  background: var(--grad-chrome);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: .55rem;
  letter-spacing: .02em;
}
.ing-support-item p { font-size: .82rem; color: var(--clr-text-mid); line-height: 1.65; margin: 0; }

/* ===== REAL RESULTS PHOTO GRID ===== */
.real-results {
  padding: 100px 0;
  background: linear-gradient(180deg, transparent, rgba(26,5,32,.5), transparent);
}
.rr-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.rr-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(142,36,170,.15);
  background: rgba(255,255,255,.02);
  transition: border-color .3s, box-shadow .3s;
}
.rr-card:hover {
  border-color: rgba(142,36,170,.4);
  box-shadow: 0 8px 32px rgba(142,36,170,.2);
}
.rr-img-wrap {
  aspect-ratio: 1;
  overflow: hidden;
}
.rr-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
  filter: brightness(0.85) saturate(0.8);
}
.rr-card:hover .rr-img { transform: scale(1.04); }
.rr-caption {
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  border-top: 1px solid rgba(142,36,170,.15);
}
.rr-caption-text {
  font-size: .9rem;
  color: var(--clr-silver);
  font-style: italic;
  line-height: 1.6;
}
.rr-caption-name {
  font-family: var(--ff-display);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--clr-purple);
}

@media (max-width: 640px) {
  .rr-grid { grid-template-columns: 1fr; }
}

/* ===== STORY IMG LIFESTYLE ===== */
.story-img--lifestyle {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  filter: brightness(0.9) saturate(0.85);
}

/* ===== SCIENCE ===== */
.science {
  padding: 100px 0;
  background: var(--clr-bg);
}
.science-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.science-pillar {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: 2rem;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border-lt);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: box-shadow .3s, border-color .3s, background .3s;
}
.science-pillar:hover {
  box-shadow: 0 12px 35px rgba(142,36,170,.2);
  border-color: rgba(224,64,251,.3);
  background: rgba(142,36,170,.07);
}
.pillar-number {
  font-family: var(--ff-display);
  font-size: 2rem;
  font-weight: 800;
  color: rgba(224,64,251,.25);
  line-height: 1;
  padding-top: .2rem;
}
.pillar-content h3 {
  font-family: var(--ff-display);
  font-size: .95rem;
  font-weight: 700;
  background: var(--grad-chrome);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: .03em;
  margin-bottom: .7rem;
}
.pillar-content p { font-size: .9rem; color: var(--clr-text-mid); line-height: 1.72; margin: 0; }

/* ===== QUALITY ===== */
.quality {
  padding: 100px 0;
  background: linear-gradient(180deg, transparent, rgba(26,5,32,.6), transparent);
}
.quality-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.quality-text p { font-size: .96rem; color: var(--clr-text-mid); line-height: 1.78; margin-bottom: 1.5rem; }
.quality-list { list-style: none; display: flex; flex-direction: column; gap: .9rem; }
.quality-list li {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  font-size: .92rem;
  color: var(--clr-text-mid);
  line-height: 1.55;
}
.quality-check { color: var(--clr-neon); font-weight: 700; font-size: 1rem; flex-shrink: 0; margin-top: .1rem; }
.quality-badge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.qual-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  padding: 1.5rem 1rem;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border-lt);
  border-radius: var(--radius-md);
  text-align: center;
  backdrop-filter: blur(10px);
  transition: box-shadow .3s, border-color .3s, transform .3s;
}
.qual-badge:hover {
  box-shadow: 0 8px 24px rgba(142,36,170,.2);
  border-color: rgba(224,64,251,.35);
  transform: translateY(-3px);
}
.qual-badge-label {
  font-family: var(--ff-display);
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--clr-silver);
  line-height: 1.3;
  text-align: center;
}

/* ===== HOW TO USE ===== */
.how-to-use {
  padding: 100px 0;
  background: var(--clr-bg);
}
.usage-timeline {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
  margin-bottom: 3rem;
}
.usage-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.2rem;
  padding: 0 .75rem;
}
.usage-step-num {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--grad-cta);
  color: #fff;
  font-family: var(--ff-display);
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 18px rgba(142,36,170,.45);
}
.usage-step-content h3 {
  font-family: var(--ff-display);
  font-size: .85rem;
  font-weight: 700;
  background: var(--grad-chrome);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: .03em;
  margin-bottom: .5rem;
}
.usage-step-content p { font-size: .83rem; color: var(--clr-text-mid); line-height: 1.68; margin: 0; }
.usage-connector {
  align-self: center;
  width: 30px; height: 1px;
  background: linear-gradient(90deg, var(--clr-neon), rgba(224,64,251,.2));
  margin-top: -88px;
  flex-shrink: 0;
}
.usage-note {
  background: rgba(58,0,80,.4);
  border: 1px solid rgba(142,36,170,.3);
  border-left: 3px solid var(--clr-neon);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.5rem 2rem;
  backdrop-filter: blur(10px);
}
.usage-note h4 {
  font-family: var(--ff-display);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--clr-neon);
  margin-bottom: .6rem;
}
.usage-note p { font-size: .88rem; color: var(--clr-text-mid); line-height: 1.7; margin: 0; }

/* ===== FAQ ===== */
.faq-section {
  padding: 100px 0;
  background: linear-gradient(180deg, transparent, rgba(26,5,32,.6), transparent);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.faq-item {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border-lt);
  border-radius: var(--radius-md);
  overflow: hidden;
  backdrop-filter: blur(10px);
  transition: box-shadow .25s, border-color .25s;
}
.faq-item[open] {
  border-color: rgba(224,64,251,.35);
  box-shadow: 0 8px 24px rgba(142,36,170,.15);
}
.faq-question {
  padding: 1.3rem 1.8rem;
  font-family: var(--ff-display);
  font-size: .88rem;
  font-weight: 700;
  color: var(--clr-silver-lt);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  letter-spacing: .02em;
  line-height: 1.4;
  transition: background .2s, color .2s;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: '+';
  font-family: var(--ff-display);
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--clr-neon);
  transition: transform .3s var(--ease-out);
  flex-shrink: 0;
  margin-left: 1rem;
}
.faq-item[open] .faq-question { background: rgba(142,36,170,.07); color: var(--clr-white); }
.faq-item[open] .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  padding: 0 1.8rem 1.4rem;
  border-top: 1px solid var(--clr-border-lt);
}
.faq-answer p { font-size: .9rem; color: var(--clr-text-mid); line-height: 1.74; padding-top: 1rem; margin: 0; }

/* ===== FINAL CTA ===== */
.inst-cta {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(58,0,80,.7) 0%, rgba(142,36,170,.3) 50%, rgba(58,0,80,.7) 100%);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  position: relative;
  overflow: hidden;
}
.inst-cta::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-neon), transparent);
}
.inst-cta::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-silver), transparent);
}
.inst-cta-inner {
  display: flex;
  align-items: center;
  gap: 3rem;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.inst-cta-shield { flex-shrink: 0; filter: drop-shadow(0 0 20px rgba(142,36,170,.6)); }
.inst-cta-text h2 {
  font-family: var(--ff-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.02em;
  margin-bottom: .9rem;
  background: var(--grad-chrome);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.inst-cta-text p { font-size: .96rem; color: var(--clr-text-mid); line-height: 1.72; margin-bottom: 1.8rem; }
.inst-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: 1rem 2.2rem;
  background: var(--grad-cta);
  border-radius: var(--radius-xl);
  font-family: var(--ff-display);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: #fff;
  text-transform: uppercase;
  box-shadow: var(--glow-cta);
  transition: transform .3s var(--ease-out), box-shadow .3s;
}
.inst-cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 35px rgba(224,64,251,.85), 0 8px 25px rgba(0,0,0,.4);
}

/* ===== FORM SECTION ===== */
.form-section {
  padding: 100px 0;
  background: var(--clr-bg);
  position: relative;
  z-index: 1;
}

.form-section__header { margin-bottom: 2.75rem; }

.form-section__title {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.form-wrap {
  max-width: 560px;
  margin: 0 auto;
  padding: 3rem 2.5rem;
  background: rgba(26, 5, 32, 0.8);
  border: 1px solid rgba(142, 36, 170, 0.3);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-family: var(--ff-display);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-silver-lt);
}

.form-input {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(142, 36, 170, 0.3);
  border-radius: var(--radius-sm);
  color: var(--clr-white);
  font-family: var(--ff-body);
  font-size: 1rem;
  font-weight: 400;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}

.form-input::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.form-input:focus {
  border-color: var(--clr-neon);
  background: rgba(224, 64, 251, 0.05);
  box-shadow: 0 0 0 3px rgba(224, 64, 251, 0.12);
}

.form-submit-btn {
  width: 100%;
  padding: 1rem 2rem;
  margin-top: 0.4rem;
  background: var(--grad-cta);
  color: #fff;
  font-family: var(--ff-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  box-shadow: var(--glow-cta);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}

.form-submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 35px rgba(224, 64, 251, 0.85), 0 8px 25px rgba(0, 0, 0, 0.4);
}

.form-consent {
  margin-top: 0.15rem;
}

.form-consent-label {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  cursor: pointer;
  margin: 0;
}

.form-consent-checkbox {
  flex-shrink: 0;
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.2rem;
  accent-color: var(--clr-neon);
  cursor: pointer;
}

.form-consent-text {
  font-family: var(--ff-body);
  font-size: 0.72rem;
  line-height: 1.5;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.62);
}

.form-consent-link {
  color: var(--clr-neon);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s;
}

.form-consent-link:hover {
  color: #f48bff;
}

.form-submit-btn--subscribe {
  margin-top: 0.5rem;
  text-transform: none;
  letter-spacing: 0.06em;
  font-size: 0.85rem;
}

/* ===== FOOTER (4 columns) ===== */
.site-footer {
  background: rgba(13, 0, 16, 0.96);
  border-top: 1px solid rgba(142, 36, 170, 0.15);
}

.footer-top-area {
  padding: 70px 0 50px;
}

.footer-cols {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 3rem;
}

.footer-col--brand {
  padding-right: 1rem;
}

.site-footer .logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.site-footer .logo-apex {
  font-family: var(--ff-display);
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  background: var(--grad-chrome);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.site-footer .logo-sub {
  font-family: var(--ff-display);
  font-size: 0.5rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  color: var(--clr-neon);
  -webkit-text-fill-color: var(--clr-neon);
  margin-top: 0.35rem;
}

.footer-bio {
  font-size: 0.88rem;
  color: var(--clr-text-mid);
  line-height: 1.7;
  margin-top: 0.8rem;
  margin-bottom: 1rem;
}

.footer-legal {
  font-size: 0.74rem;
  color: rgba(255, 255, 255, 0.28);
  line-height: 1.6;
  margin: 0;
}

.footer-col h4 {
  font-family: var(--ff-display);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  background: var(--grad-chrome);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.1rem;
}

.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: var(--clr-text-mid);
  margin-bottom: 0.55rem;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--clr-neon);
}

.footer-col--contact p {
  font-size: 0.875rem;
  color: var(--clr-text-mid);
  line-height: 1.6;
  margin-bottom: 0.55rem;
}

.footer-bottom {
  border-top: 1px solid rgba(142, 36, 170, 0.1);
  padding: 1.8rem 0;
}

.footer-disclaimer {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.25);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.footer-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-copyright {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.3);
}

.footer-policy-links {
  display: flex;
  gap: 1.5rem;
}

.footer-policy-links a {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.3);
  transition: color 0.2s;
}

.footer-policy-links a:hover {
  color: var(--clr-neon);
}

/* ===== RESPONSIVE: TABLET ===== */
@media (max-width: 1024px) {
  .hero-inst-layout { grid-template-columns: 1fr 1fr; gap: 2.5rem; min-height: auto; padding-top: 60px; }
  .story-layout { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .ing-cards-grid--5 { grid-template-columns: repeat(2, 1fr); }
  .ing-support-grid { grid-template-columns: repeat(2, 1fr); }
  .science-pillars { grid-template-columns: 1fr 1fr; }
  .quality-layout { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .quality-badge-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 2.5rem; }

  /* Timeline vertical on tablet */
  .usage-timeline { grid-template-columns: 1fr; }
  .usage-step { flex-direction: row; text-align: left; align-items: flex-start; padding: 1.5rem 0; border-bottom: 1px solid var(--clr-border-lt); }
  .usage-step:last-child { border-bottom: none; }
  .usage-connector { display: none; }
}

/* ===== RESPONSIVE: MOBILE ===== */
@media (max-width: 767px) {
  .hero-inst-layout { grid-template-columns: 1fr; gap: 2.5rem; padding: 50px 28px; min-height: auto; }
  .hero-inst-visual { order: -1; max-width: 320px; margin: 0 auto; }
  .hero-inst-headline { font-size: clamp(2.2rem, 8vw, 3rem); }
  .hero-inst-certs { gap: .8rem; }
  .hero-inst::before { display: none; }

  /* Mobile nav */
  .nav-links {
    display: none;
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: rgba(13,0,16,.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1.5rem 28px;
    gap: .25rem;
    border-bottom: 1px solid var(--clr-border);
    z-index: 999;
  }
  .nav-links.nav-links-open { display: flex; }
  .nav-hamburger { display: flex; }

  .story-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .story-img-caption { position: static; margin-top: .75rem; max-width: 100%; border-radius: var(--radius-sm); }
  .ing-cards-grid { grid-template-columns: 1fr; }
  .ing-cards-grid--5 { grid-template-columns: 1fr; }
  .ing-support-grid { grid-template-columns: 1fr; }
  .science-pillars { grid-template-columns: 1fr; }
  .quality-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .quality-badge-grid { grid-template-columns: repeat(3, 1fr); gap: .75rem; }
  .footer-cols { grid-template-columns: 1fr; gap: 2rem; }
  .inst-cta-inner { flex-direction: column; text-align: center; gap: 2rem; }
}

/* ===== RESPONSIVE: SMALL MOBILE ===== */
@media (max-width: 480px) {
  .hero-inst-headline { font-size: clamp(1.9rem, 7.5vw, 2.6rem); }
  .inst-heading-lg { font-size: clamp(2rem, 7vw, 2.8rem); }
  .inst-heading { font-size: clamp(1.7rem, 6.5vw, 2.4rem); }
  .quality-badge-grid { grid-template-columns: repeat(2, 1fr); }
}