*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0a0a0c;
  --bg-elevated: #121218;
  --bg-card: #16161f;
  --red: #ff1a3d;
  --red-glow: #ff2d55;
  --pink: #ff2d9a;
  --magenta: #e91e8c;
  --white: #f5f5f7;
  --muted: #8a8a9a;
  --border: rgba(255, 45, 85, 0.2);
  --font-display: "Exo 2", sans-serif;
  --font-body: "Plus Jakarta Sans", sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

#particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

a {
  color: var(--pink);
  text-decoration: none;
  transition: color 0.25s, opacity 0.25s;
}

a:hover {
  color: var(--red-glow);
}

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

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

/* Header */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 4vw;
  background: rgba(10, 10, 12, 0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
}

.brand img,
.footer-brand img {
  border-radius: 50%;
  background: #120008;
  object-fit: cover;
  object-position: center center;
}

.brand img {
  box-shadow: 0 0 20px rgba(255, 45, 85, 0.4);
}

.brand-text {
  display: flex;
  flex-direction: column;
  font-family: var(--font-display);
  font-size: 0.7rem;
  line-height: 1.1;
  letter-spacing: 0.15em;
}

.brand-redox {
  color: var(--pink);
}

.brand-bite {
  color: var(--white);
}

.site-nav {
  display: flex;
  gap: 2rem;
}

.site-nav a {
  color: var(--muted);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.site-nav a:hover {
  color: var(--white);
}

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

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: transform 0.3s, opacity 0.3s;
}

/* Hero */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7rem 4vw 4rem;
  z-index: 1;
}

.hero-glow {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 45, 85, 0.25) 0%, transparent 70%);
  pointer-events: none;
  animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-inner {
  text-align: center;
  max-width: 720px;
  position: relative;
  z-index: 2;
  padding-bottom: 2rem;
}

.hero-logo-stage {
  position: relative;
  width: 210px;
  height: 210px;
  margin: 0 auto 1.5rem;
}

.hero-logo-wrap {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 180px;
  height: 180px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  overflow: hidden;
  background: #3a0012;
  box-shadow: 0 0 40px rgba(255, 45, 85, 0.35);
  z-index: 2;
}

.hero-logo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 45% center;
  transform: scale(1.34) translateX(3%);
}

.orbit-ring-wrap {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 208px;
  height: 208px;
  transform: translate(-50%, -50%);
  z-index: 3;
  pointer-events: none;
}

.orbit-ring {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: var(--red);
  border-right-color: var(--pink);
  box-shadow: 0 0 22px rgba(255, 45, 85, 0.55);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hero-tag {
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 5.5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.text-redox {
  color: var(--pink);
  text-shadow: 0 0 40px rgba(255, 45, 154, 0.6);
}

.text-bite {
  color: var(--white);
  display: block;
  text-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
}

.hero-sub {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  color: var(--muted);
  max-width: 540px;
  margin: 0 auto 2rem;
  font-weight: 500;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

.orp-badge {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95em;
  color: var(--pink);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--red), var(--pink));
  color: var(--white);
  box-shadow: 0 0 30px rgba(255, 45, 85, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 45px rgba(255, 45, 85, 0.6);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--pink);
  color: var(--pink);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--pink);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--pink), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* Sections */

.section {
  position: relative;
  z-index: 1;
  padding: 6rem 0;
}

.section-dark {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--pink);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  margin-bottom: 3rem;
  line-height: 1.2;
}

.highlight {
  color: var(--pink);
  text-shadow: 0 0 20px rgba(255, 45, 154, 0.4);
}

.section-intro {
  color: var(--muted);
  font-size: 1.15rem;
  margin: -2rem 0 2.5rem;
  max-width: 640px;
}

/* About */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-copy p {
  color: var(--muted);
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  font-weight: 500;
}

.about-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.checker-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(45deg, #1a1a22 25%, transparent 25%),
    linear-gradient(-45deg, #1a1a22 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #1a1a22 75%),
    linear-gradient(-45deg, transparent 75%, #1a1a22 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  opacity: 0.5;
}

.about-card-content {
  position: relative;
  padding: 2rem;
  background: rgba(22, 22, 31, 0.9);
}

.about-card-content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--pink);
}

.about-card-content p {
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.credit {
  margin-top: 1.5rem;
  font-size: 0.9rem;
}

.credit strong {
  color: var(--white);
}

/* Features */

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 45, 154, 0.4);
  box-shadow: 0 12px 40px rgba(255, 45, 85, 0.15);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--white);
}

.feature-card p {
  color: var(--muted);
  font-size: 1rem;
}

/* Products */

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.product-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 45, 154, 0.4);
  box-shadow: 0 12px 40px rgba(255, 45, 85, 0.15);
}

.product-card-featured {
  border-color: rgba(255, 45, 154, 0.35);
  background: linear-gradient(160deg, rgba(255, 45, 85, 0.08), var(--bg-card));
}

.product-badge {
  align-self: flex-start;
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pink);
  border: 1px solid var(--border);
  padding: 0.25rem 0.6rem;
  border-radius: 3px;
}

.product-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.3;
}

.product-desc {
  color: var(--muted);
  flex: 1;
}

.product-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.product-tags li {
  font-size: 0.8rem;
  color: var(--pink);
  border: 1px solid var(--border);
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
}

.product-price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--white);
}

.product-card .btn {
  width: 100%;
}

.product-image-wrap {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #0f0f14;
  aspect-ratio: 1;
}

.product-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.product-card:hover .product-image {
  transform: scale(1.04);
}

/* Gallery showcase */

.section-gallery {
  padding: 3rem 0 1rem;
}

.gallery-showcase {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.gallery-item {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

.gallery-item figcaption {
  padding: 0.85rem 1rem;
  text-align: center;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
  border-top: 1px solid var(--border);
}

/* Benefits list */

.benefits-list {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.benefits-list h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--pink);
}

.benefits-list ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem 2rem;
}

.benefits-list li {
  color: var(--muted);
  padding-left: 1.25rem;
  position: relative;
}

.benefits-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--pink);
  font-weight: 700;
}

/* Promises */

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

.promise-item {
  text-align: center;
  padding: 1.25rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
}

/* Ingredients & usage */

.ingredients-block h3,
.usage-block h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--pink);
  margin-bottom: 1rem;
}

.ingredients-text {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.ingredients-note {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.ingredients-note.disclaimer {
  font-size: 0.8rem;
  opacity: 0.85;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.usage-steps {
  list-style: none;
  margin-bottom: 2rem;
}

.usage-steps li {
  color: var(--muted);
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
}

.usage-steps li:last-child {
  border-bottom: none;
}

.usage-steps strong {
  color: var(--white);
}

.info-small {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

/* Formula */

.formula-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.formula-list {
  list-style: none;
}

.formula-list li {
  display: grid;
  grid-template-columns: 120px 1fr 80px;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.formula-name {
  font-weight: 700;
  font-size: 1.05rem;
}

.formula-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
}

.formula-bar span {
  display: block;
  height: 100%;
  width: var(--w);
  background: linear-gradient(90deg, var(--red), var(--pink));
  border-radius: 3px;
  box-shadow: 0 0 10px rgba(255, 45, 85, 0.5);
  animation: bar-fill 1.5s ease-out forwards;
}

@keyframes bar-fill {
  from { width: 0; }
  to { width: var(--w); }
}

.formula-dose {
  text-align: right;
  color: var(--pink);
  font-family: var(--font-display);
  font-size: 0.85rem;
}

.formula-visual {
  text-align: center;
}

.molecule-ring {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 0 auto 1.5rem;
  animation: spin 20s linear infinite reverse;
}

.molecule-ring .node {
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--red);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--red-glow);
}

.molecule-ring .node:nth-child(1) { top: 0; left: 50%; transform: translateX(-50%); }
.molecule-ring .node:nth-child(2) { top: 25%; right: 10%; }
.molecule-ring .node:nth-child(3) { bottom: 25%; right: 10%; }
.molecule-ring .node:nth-child(4) { bottom: 0; left: 50%; transform: translateX(-50%); }
.molecule-ring .node:nth-child(5) { bottom: 25%; left: 10%; }
.molecule-ring .node:nth-child(6) { top: 25%; left: 10%; }

.formula-visual p {
  color: var(--muted);
  font-size: 1.1rem;
}

/* CTA */

.cta-section {
  text-align: center;
  background:
    radial-gradient(ellipse at center, rgba(255, 45, 85, 0.12) 0%, transparent 70%),
    var(--bg);
}

.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
}

.cta-inner p {
  color: var(--muted);
  font-size: 1.15rem;
  margin-bottom: 2rem;
}

/* Contact */

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

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.9rem 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #5a5a6a;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--pink);
  box-shadow: 0 0 0 3px rgba(255, 45, 154, 0.15);
}

.form-note {
  color: var(--pink);
  font-weight: 600;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-block h3 {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--pink);
  margin-bottom: 0.35rem;
}

.info-block p {
  color: var(--muted);
  font-size: 1.1rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}

.social-links a {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.9rem;
}

.social-links a:hover {
  border-color: var(--pink);
  background: rgba(255, 45, 154, 0.1);
}

/* Footer */

.site-footer {
  position: relative;
  z-index: 1;
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

.footer-credit {
  color: var(--muted);
  font-size: 0.9rem;
}

/* Mobile nav */

.site-header.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 900px) {
  .about-grid,
  .formula-layout,
  .contact-grid,
  .feature-grid,
  .product-grid,
  .promises-grid,
  .gallery-showcase {
    grid-template-columns: 1fr;
  }

  .benefits-list ul {
    grid-template-columns: 1fr;
  }

  .formula-list li {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .formula-dose {
    text-align: left;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(10, 10, 12, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }

  .site-header.nav-open .site-nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    padding: 0.85rem 4vw;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .hero-stats {
    gap: 1.5rem;
  }
}
