/* ============================================
   VESPERA — Premium Nootropic Gum
   Design System: Dark Botanical Luxury
   ============================================ */

/* --- RESET & BASE --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --midnight: #0A0E1A;
  --deep: #0F1525;
  --surface: #141B2E;
  --surface2: #1A2340;
  --gold: #E8A020;
  --gold-light: #F5C55A;
  --gold-dim: rgba(232,160,32,0.15);
  --sage: #7A9E7E;
  --sage-dim: rgba(122,158,126,0.15);
  --cream: #F5EDD6;
  --cream-dim: rgba(245,237,214,0.07);
  --white: #FFFFFF;
  --text-primary: #F0EAD8;
  --text-secondary: #9A9080;
  --text-muted: #5A5448;
  --border: rgba(232,160,32,0.12);
  --border-subtle: rgba(255,255,255,0.06);
  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background-color: var(--midnight);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(3rem, 7vw, 6rem); }
h2 { font-size: clamp(2.2rem, 4.5vw, 3.8rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.9rem); }
h4 { font-size: 1.2rem; }

em { font-style: italic; color: var(--gold); }

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.section-title {
  margin-bottom: 1.2rem;
  color: var(--cream);
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.75;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header .section-sub {
  margin: 0 auto;
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--gold {
  background: linear-gradient(135deg, var(--gold), #C8860A);
  color: var(--midnight);
  box-shadow: 0 4px 24px rgba(232,160,32,0.35);
}
.btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(232,160,32,0.5);
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
}

.btn--outline {
  background: transparent;
  color: var(--cream);
  border: 1px solid var(--border);
}
.btn--outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-dim);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--cream);
  border: 1px solid var(--border-subtle);
  padding: 0.7rem 1.5rem;
}
.btn--ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.btn--sm { padding: 0.6rem 1.4rem; font-size: 0.82rem; }
.btn--lg { padding: 1.1rem 2.8rem; font-size: 1rem; }

/* --- REVEAL ANIMATION --- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- NAV --- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 3rem;
  transition: background 0.4s, padding 0.4s, backdrop-filter 0.4s;
}

.nav.scrolled {
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1rem 3rem;
  border-bottom: 1px solid var(--border-subtle);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--cream);
  letter-spacing: 0.05em;
}

.nav__logo-mark {
  color: var(--gold);
  font-size: 1.1rem;
  animation: spin-slow 8s linear infinite;
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.nav__links {
  display: flex;
  gap: 2.5rem;
}

.nav__links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  transition: color 0.3s;
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.3s;
}

.nav__links a:hover { color: var(--cream); }
.nav__links a:hover::after { width: 100%; }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__burger span {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--cream);
  transition: var(--transition);
}

/* --- MOBILE MENU --- */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 999;
  background: var(--deep);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.77, 0, 0.175, 1);
}

.mobile-menu.open { transform: translateX(0); }

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  text-align: center;
}

.mobile-menu a {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--cream);
  transition: color 0.3s;
}

.mobile-menu a:hover { color: var(--gold); }

/* --- HERO --- */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding: 8rem 3rem 5rem;
  max-width: 1300px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.hero__bg-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(232,160,32,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero__particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}

.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.hero__title {
  color: var(--cream);
  margin-bottom: 1.5rem;
  line-height: 1.08;
}

.hero__subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 480px;
  margin-bottom: 2.5rem;
}

.hero__cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero__badges span {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--cream-dim);
  border: 1px solid var(--border-subtle);
  padding: 0.4rem 0.9rem;
  border-radius: 100px;
  letter-spacing: 0.03em;
}

/* --- HERO ORB --- */
.hero__visual {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__orb {
  position: relative;
  width: 420px;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orb__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(232,160,32,0.2);
  animation: orbit-spin 12s linear infinite;
}

.orb__ring--1 { width: 100%; height: 100%; animation-duration: 20s; }
.orb__ring--2 { width: 78%; height: 78%; animation-duration: 14s; animation-direction: reverse; border-color: rgba(122,158,126,0.2); }
.orb__ring--3 { width: 56%; height: 56%; animation-duration: 9s; border-color: rgba(232,160,32,0.3); }

@keyframes orbit-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.orb__center {
  position: relative;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(232,160,32,0.3);
  box-shadow: 0 0 60px rgba(232,160,32,0.2), 0 0 120px rgba(232,160,32,0.08);
}

.orb__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.2) brightness(0.85);
}

.orb__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(232,160,32,0.15), rgba(10,14,26,0.4));
}

.orb__label {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 1rem;
  font-style: italic;
  color: var(--gold-light);
  white-space: nowrap;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

/* --- MARQUEE --- */
.marquee-strip {
  background: var(--surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 0;
  overflow: hidden;
}

.marquee-track {
  display: flex;
  gap: 0;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
}

.marquee-track span {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 2rem;
  flex-shrink: 0;
}

.marquee-track span:nth-child(odd) { color: var(--gold); }

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

/* --- PRODUCTS --- */
.products {
  padding: 7rem 0;
  background: var(--midnight);
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.4s, border-color 0.4s, box-shadow 0.4s;
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: var(--border);
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
}

.product-card__img-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.product-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
  filter: brightness(0.8) saturate(1.1);
}

.product-card:hover .product-card__img-wrap img {
  transform: scale(1.06);
}

.product-card__glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--surface) 0%, transparent 60%);
  pointer-events: none;
}

.product-card__badge {
  position: absolute;
  top: 1rem; right: 1rem;
  background: var(--gold);
  color: var(--midnight);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
}

.product-card__badge.new {
  background: var(--sage);
  color: var(--midnight);
}

.product-card__body {
  padding: 1.5rem;
}

.product-card__tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.product-card__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--cream);
  margin-bottom: 0.75rem;
}

.product-card__desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.product-card__ingredients {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.product-card__ingredients span {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--cream-dim);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.6rem;
  border-radius: 100px;
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.product-card__price {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--cream);
}

.product-card__price small {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-body);
}

/* --- SCIENCE --- */
.science {
  padding: 7rem 0;
  background: var(--deep);
  position: relative;
  overflow: hidden;
}

.science__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(122,158,126,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.science__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.science__text p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.25rem;
  font-size: 1rem;
}

.science__text strong { color: var(--gold); font-weight: 600; }

.science__stats {
  display: flex;
  gap: 2.5rem;
  margin: 2.5rem 0;
  padding: 2rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.stat__num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.8rem;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.3rem;
}

.stat__num small {
  font-size: 1.4rem;
}

.stat__label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.science__visual {
  position: relative;
}

.science__img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  aspect-ratio: 4/5;
}

.science__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.7) saturate(0.9);
}

.science__img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(10,14,26,0.6));
}

.science__float-card {
  position: absolute;
  bottom: -1.5rem;
  left: -2rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
  backdrop-filter: blur(10px);
}

.float-card__icon {
  font-size: 2rem;
  line-height: 1;
}

.science__float-card strong {
  display: block;
  font-size: 0.9rem;
  color: var(--cream);
  margin-bottom: 0.2rem;
}

.science__float-card span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --- INGREDIENTS --- */
.ingredients {
  padding: 7rem 0;
  background: var(--midnight);
}

.ingredients__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.ingredient-card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color 0.4s, transform 0.4s;
  position: relative;
  overflow: hidden;
}

.ingredient-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.ingredient-card:hover {
  border-color: var(--border);
  transform: translateY(-4px);
}

.ingredient-card:hover::before { opacity: 1; }

.ingredient-card__icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  display: block;
}

.ingredient-card h4 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--cream);
  margin-bottom: 0.75rem;
}

.ingredient-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.ingredient-card__dose {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  background: var(--gold-dim);
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  border: 1px solid rgba(232,160,32,0.2);
}

/* --- TESTIMONIALS --- */
.testimonials {
  padding: 7rem 0;
  background: var(--deep);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform 0.4s;
}

.testimonial-card.featured {
  background: var(--surface2);
  border-color: var(--border);
  transform: translateY(-1rem);
  box-shadow: 0 24px 60px rgba(0,0,0,0.3);
}

.testimonial-card:hover { transform: translateY(-4px); }
.testimonial-card.featured:hover { transform: translateY(-1.5rem); }

.testimonial-card__stars {
  color: var(--gold);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.testimonial-card p {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.testimonial-card__author img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
  filter: grayscale(20%);
}

.testimonial-card__author strong {
  display: block;
  font-size: 0.88rem;
  color: var(--cream);
  margin-bottom: 0.15rem;
}

.testimonial-card__author span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --- STORY --- */
.story {
  padding: 7rem 0;
  background: var(--midnight);
}

.story__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.story__visual {
  position: relative;
}

.story__visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
  aspect-ratio: 4/5;
  filter: brightness(0.75) saturate(0.85);
  border: 1px solid var(--border-subtle);
}

.story__visual-accent {
  position: absolute;
  bottom: -2rem;
  right: -2rem;
  width: 200px;
  height: 200px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--gold-dim);
  z-index: -1;
}

.story__text p {
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 1.25rem;
  font-size: 1rem;
}

.story__text .btn { margin-top: 1rem; }

/* --- CTA BANNER --- */
.cta-banner {
  padding: 7rem 0;
  background: var(--surface);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-banner__glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(232,160,32,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner__inner h2 {
  color: var(--cream);
  margin-bottom: 1rem;
}

.cta-banner__inner p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 2.5rem;
}

/* --- FOOTER --- */
.footer {
  background: var(--deep);
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2rem;
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 5rem;
  margin-bottom: 4rem;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--cream);
  margin-bottom: 1rem;
}

.footer__brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 300px;
  margin-bottom: 1.5rem;
}

.footer__social {
  display: flex;
  gap: 1rem;
}

.footer__social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: border-color 0.3s, color 0.3s;
}

.footer__social a:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.footer__social svg {
  width: 16px;
  height: 16px;
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer__col h5 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cream);
  margin-bottom: 1.25rem;
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__col a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color 0.3s;
}

.footer__col a:hover { color: var(--gold); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.footer__bottom p {
  font-size: 0.75rem;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.6;
}

.footer__legal {
  display: flex;
  gap: 1.5rem;
}

.footer__legal a {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: color 0.3s;
}

.footer__legal a:hover { color: var(--gold); }

/* --- PARTICLES --- */
.particle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  animation: float-particle linear infinite;
  opacity: 0;
}

@keyframes float-particle {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 0.6; }
  100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

/* --- RESPONSIVE --- */
@media (max-width: 1100px) {
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .hero { grid-template-columns: 1fr; text-align: center; padding: 7rem 2rem 4rem; }
  .hero__subtitle { margin: 0 auto 2.5rem; }
  .hero__cta { justify-content: center; }
  .hero__badges { justify-content: center; }
  .hero__visual { display: none; }
  .science__inner { grid-template-columns: 1fr; gap: 3rem; }
  .story__inner { grid-template-columns: 1fr; gap: 3rem; }
  .story__visual { display: none; }
}

@media (max-width: 768px) {
  .nav { padding: 1.2rem 1.5rem; }
  .nav.scrolled { padding: 0.9rem 1.5rem; }
  .nav__links, .nav__actions { display: none; }
  .nav__burger { display: flex; }
  .products__grid { grid-template-columns: 1fr; }
  .ingredients__grid { grid-template-columns: 1fr; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .testimonial-card.featured { transform: none; }
  .science__stats { gap: 1.5rem; }
  .footer__top { grid-template-columns: 1fr; gap: 3rem; }
  .footer__links { grid-template-columns: repeat(2, 1fr); }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .hero { padding: 6rem 1.5rem 3rem; }
  .container { padding: 0 1.5rem; }
  .products, .science, .ingredients, .testimonials, .story, .cta-banner { padding: 5rem 0; }
}

@media (max-width: 480px) {
  .footer__links { grid-template-columns: 1fr; }
  .science__float-card { left: 0; bottom: -1rem; }
  .hero__badges span { font-size: 0.7rem; }
}