:root {
  --bg-main: #050505;
  --bg-elevated: #0c0c0f;
  --bg-soft: #131318;
  --text-main: #f7f7f7;
  --text-muted: #9b9ba3;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --accent: #ffffff;
  --accent-soft: rgba(255, 255, 255, 0.2);
  --danger: #ff3366;
  --transition-fast: 180ms ease-out;
  --transition-med: 260ms ease-out;
}

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

html,
body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: 'Space Grotesk', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
}

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

button {
  font-family: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

main {
  background: radial-gradient(circle at top, #14141c 0, #050505 60%);
}

/* Loader */

#page-loader {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top, #14141c 0, #050505 60%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  transition: opacity 320ms ease-out, visibility 320ms ease-out;
}

#page-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-inner {
  max-width: 28rem;
  padding: 2.5rem 2.75rem;
  border-radius: 1.5rem;
  background: rgba(5, 5, 8, 0.88);
  border: 1px solid var(--border-subtle);
  box-shadow:
    0 0 60px rgba(0, 0, 0, 0.9),
    0 0 180px rgba(255, 255, 255, 0.18);
}

.loader-logo {
  font-weight: 700;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.loader-tagline {
  margin: 0 0 1.75rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.loader-bar {
  position: relative;
  width: 100%;
  height: 0.35rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.loader-bar-fill {
  position: absolute;
  inset: 0;
  width: 0%;
  background: linear-gradient(90deg, #ffffff, #d0d0d0);
  border-radius: inherit;
  transition: width 140ms linear;
}

.loader-percent {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Header */

#site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: linear-gradient(
    to bottom,
    rgba(5, 5, 10, 0.96),
    rgba(5, 5, 10, 0.9),
    rgba(5, 5, 10, 0.82),
    transparent
  );
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand-mark {
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

.brand:hover .brand-mark {
  color: var(--accent);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
}

.nav-link {
  position: relative;
  color: var(--text-muted);
  padding-block: 0.25rem;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-main);
}

.nav-link.is-active {
  color: var(--accent);
}

.nav-link.is-active::after {
  width: 100%;
}

/* Hero */

#hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  color: var(--text-main);
}

#hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* matte black tint overlay for WebP videos */
#hero-video::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  pointer-events: none;
}

#hero-sequence {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hero-overlay {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  height: 100vh;
  padding: 5.25rem 1.5rem 3.5rem;
  display: grid;
  grid-template-columns: minmax(0, 3.4fr) minmax(0, 1.2fr) minmax(0, 1.4fr);
  gap: 1.5rem;
}

.hero-text {
  align-self: center;
  max-width: 32rem;
  transition: opacity var(--transition-med), transform var(--transition-med);
}

.hero-text.is-transitioning-out {
  opacity: 0;
  transform: translateY(-8px);
}

.hero-text.is-transitioning-in {
  opacity: 1;
  transform: translateY(0);
}

.hero-logo {
  font-size: 0.9rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.hero-title {
  font-size: clamp(2.8rem, 5vw, 3.9rem);
  line-height: 0.9;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin: 0 0 0.35rem;
}

.hero-subtitle {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: var(--text-muted);
  margin-bottom: 1.1rem;
}

.hero-description {
  margin: 0 0 1.8rem;
  color: var(--text-muted);
  max-width: 30rem;
}

.hero-ctas {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn {
  border-radius: 999px;
  padding: 0.65rem 1.6rem;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform 120ms ease-out;
}

.btn:active {
  transform: translateY(1px) scale(0.99);
}

.btn-solid {
  background: var(--accent);
  color: #050505;
  box-shadow: 0 0 40px rgba(255, 255, 255, 0.18);
}

.btn-solid:hover {
  box-shadow: 0 0 52px rgba(255, 255, 255, 0.24);
}

.btn-ghost {
  background: transparent;
  color: var(--text-main);
  border-color: var(--accent-soft);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
}

.btn-block {
  width: 100%;
  justify-content: center;
}

.hero-center {
  align-self: center;
}

.hero-variants {
  align-self: center;
  justify-self: flex-end;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.9rem;
}

.hero-variant-index {
  font-size: 3rem;
  letter-spacing: 0.14em;
  font-weight: 600;
}

.hero-variant-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 0.6rem;
  border-radius: 999px;
  background: rgba(5, 5, 12, 0.82);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(16px);
}

.variant-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  cursor: pointer;
}

.variant-btn:hover {
  color: var(--accent);
}

.hero-nav-divider {
  width: 1px;
  height: 1.2rem;
  background: rgba(255, 255, 255, 0.16);
}

.variant-arrow {
  font-size: 0.8rem;
}

.variant-loading {
  min-height: 1rem;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.hero-socials {
  position: absolute;
  left: 50%;
  bottom: 1.75rem;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.social-link {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.social-link:hover {
  color: var(--accent);
}

/* Sections */

.section {
  padding: 5.5rem 1.5rem 5.75rem;
}

.section-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.section-header {
  max-width: 40rem;
  margin-bottom: 2.75rem;
}

.section-header h2 {
  margin: 0 0 0.75rem;
  font-size: 1.8rem;
}

.section-header p {
  margin: 0;
  color: var(--text-muted);
}

.section-product .section-inner {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.4fr);
  gap: 3rem;
  align-items: center;
}

.section-product h2 {
  font-size: 2.1rem;
  margin-bottom: 1rem;
}

.section-product p {
  color: var(--text-muted);
}

.section-product p + p {
  margin-top: 0.75rem;
}

.product-figure {
  margin: 0;
  background: radial-gradient(circle at top, #3b1247 0, #050505 60%);
  border-radius: 1.5rem;
  padding: 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.product-cta-image {
  width: 100%;
  border-radius: 1rem;
}

.product-figure figcaption {
  margin-top: 0.85rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.section-ingredients {
  background: radial-gradient(circle at top, #14141e 0, #050505 60%);
}

.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.75rem;
}

.ingredient-card {
  padding: 1.4rem 1.4rem 1.6rem;
  border-radius: 1.2rem;
  background: rgba(10, 10, 16, 0.9);
  border: 1px solid var(--border-subtle);
}

.ingredient-card h3 {
  margin: 0 0 0.7rem;
  font-size: 1.05rem;
}

.ingredient-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.section-nutrition {
  background: radial-gradient(circle at top, #101018 0, #050505 60%);
}

.nutrition-card {
  max-width: 26rem;
  border-radius: 1.2rem;
  background: #050505;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 1.4rem 1.6rem 1.3rem;
}

.nutrition-header h3 {
  margin: 0 0 0.25rem;
  font-size: 1.4rem;
}

.nutrition-header p {
  margin: 0 0 0.9rem;
  font-size: 0.82rem;
}

.nutrition-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.86rem;
  padding-block: 0.2rem;
}

.nutrition-row.strong {
  font-size: 1rem;
  font-weight: 600;
  border-block: 3px solid #fff;
  padding-block: 0.4rem;
  margin-block: 0.3rem;
}

.nutrition-row.sub {
  padding-left: 0.9rem;
}

.nutrition-divider {
  border-top: 1px solid #fff;
  margin-block: 0.2rem;
}

.nutrition-footer {
  border-top: 1px solid #fff;
  margin-top: 0.5rem;
  padding-top: 0.55rem;
}

.nutrition-footer p {
  margin: 0;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.section-reviews {
  background: radial-gradient(circle at top, #171723 0, #050505 60%);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.75rem;
}

.review-card {
  padding: 1.6rem 1.6rem 1.5rem;
  border-radius: 1.4rem;
  background: rgba(10, 10, 16, 0.9);
  border: 1px solid var(--border-subtle);
}

.review-rating {
  font-size: 1rem;
  margin-bottom: 0.6rem;
}

.review-quote {
  margin: 0 0 0.9rem;
  font-size: 0.92rem;
  color: var(--text-main);
}

.review-author {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.section-faq {
  background: radial-gradient(circle at top, #141420 0, #050505 60%);
}

.faq-list {
  border-radius: 1.4rem;
  border: 1px solid var(--border-subtle);
  background: rgba(10, 10, 16, 0.9);
  overflow: hidden;
}

.faq-item + .faq-item {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.1rem 1.4rem;
  background: transparent;
  border: none;
  color: inherit;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
}

.faq-toggle {
  font-size: 1rem;
  color: var(--text-muted);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 1.4rem;
  background: rgba(3, 3, 6, 0.9);
  transition: max-height 260ms ease-out, padding-bottom 260ms ease-out;
}

.faq-answer p {
  margin: 0.75rem 0 1.05rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.faq-item.is-open .faq-answer {
  max-height: 300px;
  padding-bottom: 0.15rem;
}

.faq-item.is-open .faq-toggle {
  transform: rotate(45deg);
}

.section-cta {
  background: radial-gradient(circle at top, #101018 0, #050505 60%);
}

.section-inner-cta {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.4fr);
  gap: 2.6rem;
  align-items: center;
}

.section-cta h2 {
  font-size: 2.1rem;
  margin-bottom: 1rem;
}

.section-cta p {
  margin: 0 0 1.7rem;
  color: var(--text-muted);
}

.cta-form {
  padding: 1.6rem 1.8rem;
  border-radius: 1.3rem;
  background: rgba(10, 10, 16, 0.95);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.field-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}

input[type='email'] {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(5, 5, 10, 0.9);
  color: var(--text-main);
  font-family: inherit;
  outline: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

input[type='email']::placeholder {
  color: rgba(180, 180, 190, 0.5);
}

input[type='email']:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.16);
}

/* Footer */

#site-footer {
  background: #000000;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-muted);
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 2.4rem 1.5rem 1.5rem;
  display: grid;
  grid-template-columns: minmax(0, 2.4fr) minmax(0, 2fr) minmax(0, 2.2fr);
  gap: 2.4rem;
  align-items: flex-start;
}

.footer-logo {
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 0.82rem;
  margin-bottom: 0.7rem;
  color: var(--text-main);
}

.footer-tagline {
  margin: 0;
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  font-size: 0.85rem;
}

.footer-links a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-socials {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}

.footer-bottom {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem 2rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom p {
  margin: 0;
}

/* Hero placeholder background for when sequence is not ready */

body.is-hero-placeholder #hero {
  background: radial-gradient(circle at top, #222232 0, #050505 60%);
}

/* Responsive */

@media (max-width: 960px) {
  .header-inner {
    padding-inline: 1.15rem;
  }

  .hero-overlay {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.8fr);
    grid-template-rows: auto auto;
    grid-template-areas:
      'text variants'
      'text variants';
    padding-top: 5rem;
  }

  .hero-text {
    grid-area: text;
  }

  .hero-center {
    display: none;
  }

  .hero-variants {
    grid-area: variants;
  }

  .section-product .section-inner,
  .section-inner-cta {
    grid-template-columns: minmax(0, 1fr);
  }

  .section-product .section-media {
    order: -1;
  }

  .ingredients-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .reviews-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.4fr);
  }
}

@media (max-width: 720px) {
  .header-inner {
    padding-inline: 1rem;
  }

  .main-nav {
    display: none;
  }

  .hero-overlay {
    height: auto;
    min-height: 100vh;
    padding-inline: 1rem;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto auto;
    gap: 2.5rem;
  }

  .hero-variants {
    align-items: flex-start;
    justify-self: flex-start;
  }

  .hero-variant-nav {
    margin-top: 0.2rem;
  }

  .hero-socials {
    bottom: 1.2rem;
    font-size: 0.72rem;
  }

  .section {
    padding-inline: 1rem;
  }

  .ingredients-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .reviews-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .section-inner-cta {
    gap: 2rem;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-socials {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}