/* ============================================================
   style.css — OCHRE Brand System
   Dark, premium, cosmic-ancient.
   Palette: near-black bg, warm ochre/amber accent, teal science
   Fonts: Cormorant Garamond (display) + Work Sans (body)
   ============================================================ */

/* ─── DESIGN TOKENS ─────────────────────────────────────────── */
:root {
  /* Type scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Fonts */
  --font-display: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-body: 'Work Sans', 'Helvetica Neue', Arial, sans-serif;

  /* ─── OCHRE BRAND PALETTE (Dark) ─── */
  --color-bg:             #0f0e0c;
  --color-surface:        #161411;
  --color-surface-2:      #1c1a16;
  --color-surface-offset: #211f1b;
  --color-divider:        #2a2724;
  --color-border:         #342f2a;

  --color-text:           #e8e4de;
  --color-text-muted:     #9a9590;
  --color-text-faint:     #5a5650;
  --color-text-inverse:   #0f0e0c;

  /* Ochre / amber primary */
  --color-primary:        #c8762a;
  --color-primary-hover:  #d9894a;
  --color-primary-active: #b56020;
  --color-primary-dim:    rgba(200, 118, 42, 0.15);
  --color-primary-glow:   rgba(200, 118, 42, 0.25);

  /* Teal science accent */
  --color-science:        #3a8a8f;
  --color-science-hover:  #4aa6ab;
  --color-science-dim:    rgba(58, 138, 143, 0.15);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(200, 118, 42, 0.2);
}

/* ─── LIGHT MODE (minimal — brand is primarily dark) ─────────── */
[data-theme="light"] {
  --color-bg:             #f5f0ea;
  --color-surface:        #faf6f0;
  --color-surface-2:      #ffffff;
  --color-surface-offset: #ede8e0;
  --color-divider:        #ddd6cc;
  --color-border:         #ccc4b8;
  --color-text:           #1a1712;
  --color-text-muted:     #5c5650;
  --color-text-faint:     #a09890;
  --color-text-inverse:   #f5f0ea;
  --color-primary:        #9e5a18;
  --color-primary-hover:  #b56820;
  --color-primary-active: #7a4210;
  --color-primary-dim:    rgba(158, 90, 24, 0.1);
  --color-primary-glow:   rgba(158, 90, 24, 0.2);
  --color-science:        #1d6b70;
  --color-science-hover:  #288086;
  --color-science-dim:    rgba(29, 107, 112, 0.1);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.14);
  --shadow-glow: 0 0 40px rgba(158, 90, 24, 0.15);
}

/* System preference support */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg:             #f5f0ea;
    --color-surface:        #faf6f0;
    --color-surface-2:      #ffffff;
    --color-surface-offset: #ede8e0;
    --color-divider:        #ddd6cc;
    --color-border:         #ccc4b8;
    --color-text:           #1a1712;
    --color-text-muted:     #5c5650;
    --color-text-faint:     #a09890;
    --color-text-inverse:   #f5f0ea;
    --color-primary:        #9e5a18;
    --color-primary-hover:  #b56820;
    --color-primary-active: #7a4210;
    --color-primary-dim:    rgba(158, 90, 24, 0.1);
    --color-primary-glow:   rgba(158, 90, 24, 0.2);
    --color-science:        #1d6b70;
    --color-science-hover:  #288086;
    --color-science-dim:    rgba(29, 107, 112, 0.1);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.14);
    --shadow-glow: 0 0 40px rgba(158, 90, 24, 0.15);
  }
}


/* ─── UTILITIES ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-3), 2vw, var(--space-8));
}

.container--narrow {
  max-width: var(--content-default);
}

.section {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
}

/* ─── SKIP LINK ─────────────────────────────────────────────── */


/* ─── NAVIGATION ─────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 100;
  padding-block: var(--space-4);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-interactive),
              padding var(--transition-interactive),
              box-shadow var(--transition-interactive);
}

.nav.scrolled {
  background: color-mix(in oklab, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-divider);
  padding-block: var(--space-4);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.nav__logo svg {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.nav__logo-wordmark {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text);
  line-height: 1;
}

/* Nav links */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
}

.nav__links a {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--color-text-muted);
  text-transform: uppercase;
  white-space: nowrap;
  line-height: 1;
}

.nav__links a:hover {
  color: var(--color-text);
}

/* Nav actions */
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: var(--space-2);
  color: var(--color-text);
}

.nav__hamburger span {
  display: block;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--transition-interactive), opacity var(--transition-interactive);
  transform-origin: center;
}

.nav__hamburger[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.nav__hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__hamburger[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

/* Mobile nav */
.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-bg);
  padding: var(--space-24) var(--space-8) var(--space-8);
  flex-direction: column;
  gap: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-interactive);
}

.nav__mobile.open {
  opacity: 1;
  pointer-events: all;
}

.nav__mobile a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-divider);
  padding-block: var(--space-4);
}

.nav__mobile a:hover { color: var(--color-primary); }

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .nav__mobile { display: flex; }
}

@media (max-width: 520px) {
  .nav__actions .btn--primary { display: none; }
}

/* ─── BUTTONS ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: #0f0e0c;
  border: 1px solid var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: var(--shadow-glow);
}

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

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: none;
  padding-inline: 0;
}

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

/* ─── HERO SECTION ──────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: clamp(var(--space-24), 12vw, var(--space-32));
  padding-bottom: clamp(var(--space-16), 8vw, var(--space-24));
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

/* Layered gradient overlays — hardcoded dark so text always reads regardless of theme */
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(10,9,7,1) 0%, rgba(10,9,7,0.82) 35%, rgba(10,9,7,0.6) 65%, rgba(10,9,7,0.25) 100%),
    linear-gradient(to right, rgba(10,9,7,0.75) 0%, rgba(10,9,7,0.3) 55%, transparent 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

.hero__eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--color-primary);
  flex-shrink: 0;
}

.hero__headline {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  line-height: 1.1;
  color: #e8e4de;
  margin-bottom: var(--space-6);
  letter-spacing: -0.01em;
  text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.hero__headline em {
  font-style: italic;
  color: var(--color-primary);
}

.hero__subheadline {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: rgba(232, 228, 222, 0.92);
  margin-bottom: var(--space-10);
  max-width: 560px;
  text-shadow: 0 1px 16px rgba(0,0,0,0.5);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

.hero__scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  right: var(--space-8);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero__scroll-hint::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-text-faint), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.8; transform: scaleY(1.2); }
}

/* ─── SECTION LABELS ────────────────────────────────────────── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.section-label--ochre { color: var(--color-primary); }
.section-label--teal  { color: var(--color-science); }

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: currentColor;
  flex-shrink: 0;
}

/* ─── SECTION HEADINGS ──────────────────────────────────────── */
.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.section-heading em {
  font-style: italic;
  color: var(--color-primary);
}

.section-heading--teal em { color: var(--color-science); }

.section-intro {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 640px;
}

/* ─── DIVIDER LINE ──────────────────────────────────────────── */
.divider {
  width: 48px;
  height: 1px;
  background: var(--color-primary);
  margin-block: var(--space-8);
}

.divider--teal { background: var(--color-science); }
.divider--center { margin-inline: auto; }

/* ─── THE THREAT SECTION ────────────────────────────────────── */
.threat {
  background: var(--color-surface);
}

.threat__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}

.threat__image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/9;
}

.threat__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.threat__image-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.threat__body p {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.threat__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.stat-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
}

.stat-card__number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-science);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-card__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

.threat__citation {
  margin-top: var(--space-8);
  padding: var(--space-5) var(--space-6);
  background: var(--color-primary-dim);
  border-left: 2px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.threat__citation p {
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--color-text-muted);
  margin: 0;
}

.threat__citation strong {
  color: var(--color-primary);
  font-style: normal;
}

@media (max-width: 768px) {
  .threat__grid { grid-template-columns: 1fr; }
  .threat__stats { grid-template-columns: 1fr 1fr; }
}

/* ─── ANCIENT ANSWER SECTION ────────────────────────────────── */
.ancient {
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}

.ancient::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-primary), transparent);
  opacity: 0.4;
}

.ancient__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}

.ancient__text-col { order: -1; }

.ancient__image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.ancient__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ancient__image-caption {
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  padding: var(--space-4) var(--space-5);
  background: linear-gradient(to top, rgba(15,14,12,0.92) 60%, transparent);
  font-size: var(--text-xs);
  color: rgba(232, 228, 222, 0.92);
  letter-spacing: 0.06em;
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

.ancient__body p {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.ancient__timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: var(--space-8);
  position: relative;
}

.ancient__timeline::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-science));
}

.timeline-item {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  padding-bottom: var(--space-6);
}

.timeline-item__dot {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-primary);
  background: var(--color-bg);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-item__dot::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}

.timeline-item:last-child .timeline-item__dot {
  border-color: var(--color-science);
}
.timeline-item:last-child .timeline-item__dot::after {
  background: var(--color-science);
}

.timeline-item__content {
  padding-top: var(--space-1);
}

.timeline-item__year {
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.timeline-item:last-child .timeline-item__year { color: var(--color-science); }

.timeline-item__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: none;
}

@media (max-width: 768px) {
  .ancient__grid { grid-template-columns: 1fr; }
  .ancient__text-col { order: 1; }
}

/* ─── MECHANISM SECTION ─────────────────────────────────────── */
.mechanism {
  background: var(--color-surface);
  position: relative;
}

.mechanism__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}

.mechanism__image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.mechanism__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mechanism__image-wrap::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-primary-dim), var(--color-science-dim));
  z-index: 0;
}

.mechanism__image-wrap img { position: relative; z-index: 1; }

.mechanism__body p {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.mechanism__steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.mechanism-step {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}

.mechanism-step__num {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-science-dim);
  border: 1px solid var(--color-science);
  color: var(--color-science);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mechanism-step__body {
  padding-top: var(--space-1);
}

.mechanism-step__title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
  letter-spacing: 0.02em;
}

.mechanism-step__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: none;
  margin: 0;
}

@media (max-width: 768px) {
  .mechanism__grid { grid-template-columns: 1fr; }
}

/* ─── FORMULA SECTION ───────────────────────────────────────── */
.formula {
  background: var(--color-bg);
}

.formula__header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: clamp(var(--space-12), 6vw, var(--space-20));
}

.formula__header .section-label { justify-content: center; }
.formula__header .section-label::before { display: none; }
.formula__header .divider { margin-inline: auto; }

.formula__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

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

.ingredient-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-6) var(--space-5);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
}

.ingredient-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, var(--color-primary), var(--color-science));
  opacity: 0;
  transition: opacity var(--transition-interactive);
}

.ingredient-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

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

.ingredient-card__num {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-surface-offset);
  line-height: 1;
  position: absolute;
  top: var(--space-4);
  right: var(--space-5);
  user-select: none;
}

.ingredient-card__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  line-height: 1.2;
  position: relative;
}

.ingredient-card__mechanism {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-science);
  margin-bottom: var(--space-4);
  font-weight: 500;
}

.ingredient-card__desc {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  max-width: none;
}

.ingredient-card__conc {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-3);
}

.ingredient-card__conc span {
  color: var(--color-primary);
  font-weight: 500;
}

/* ingredient-card--new modifier removed — all cards now use uniform base style */

/* ─── PRODUCT SECTION ───────────────────────────────────────── */
.product {
  background: var(--color-surface);
  position: relative;
  overflow: hidden;
}

.product::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-primary), transparent);
  opacity: 0.4;
}

.product__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}

.product__image-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/5;
  max-width: 420px;
  margin-inline: auto;
}

.product__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.product__image-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  pointer-events: none;
}

.product__glow {
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.product__body p {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.product__price-block {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-block: var(--space-8);
}

.product__price-label {
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}

.product__price {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: var(--space-3);
}

.product__price-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: none;
  margin: 0;
}

/* ── Why blocks (per-ml + cascade) ───────────────── */
.why-block {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
  margin-top: var(--space-6);
}

.why-block__heading {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  letter-spacing: 0.01em;
}

.why-block__body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-3);
  max-width: none;
}

.why-block__body.why-block__body--em {
  color: #8B3A32;
  font-style: italic;
  font-weight: 700;
}

.why-block__stat-row {
  display: flex;
  gap: var(--space-6);
  margin: var(--space-5) 0;
  align-items: flex-end;
}

.why-block__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.why-block__stat-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.why-block__stat--dim .why-block__stat-value {
  font-size: var(--text-xl);
  color: var(--color-text-faint);
  font-weight: 400;
}

.why-block__stat-unit {
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text-muted);
}

.why-block__stat--dim .why-block__stat-unit {
  color: var(--color-text-faint);
}

.why-block__stat-label {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.product__attributes {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.product__attr {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.product__attr::before {
  content: '';
  display: block;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  background: var(--color-primary-dim);
  border: 1px solid var(--color-primary);
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath d='M2 6l3 3 5-5' stroke='%23c8762a' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.waitlist-form input[type="text"],
.waitlist-form input[type="email"] {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: var(--text-sm);
  box-sizing: border-box;
}

.waitlist-form input[type="text"]::placeholder,
.waitlist-form input[type="email"]::placeholder {
  color: var(--color-text-faint);
}

.waitlist-form input[type="text"]:focus,
.waitlist-form input[type="email"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-dim);
}

.waitlist-form .btn {
  width: 100%;
}

.waitlist-success {
  display: none;
  padding: var(--space-4) var(--space-5);
  background: var(--color-primary-dim);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 500;
}

@media (max-width: 768px) {
  .product__grid { grid-template-columns: 1fr; }
}

/* ─── SCIENCE REFERENCES ────────────────────────────────────── */
.references {
  background: var(--color-bg);
  border-top: 1px solid var(--color-divider);
}

.references__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.ref-item {
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.ref-item__num {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-2);
  letter-spacing: 0.06em;
}

.ref-item__text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: none;
  margin: 0;
}

.ref-item__text cite {
  font-style: italic;
  color: var(--color-text-faint);
}

/* ─── FOOTER ────────────────────────────────────────────────── */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-6);
  max-width: 320px;
}

.footer__legal {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.6;
  max-width: none;
}

.footer__col-title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
}

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer__links a:hover { color: var(--color-primary); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}

.footer__bottom-left {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer__bottom-right {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer__bottom-right a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer__bottom-right a:hover { color: var(--color-primary); }

@media (max-width: 768px) {
  .footer__inner { grid-template-columns: 1fr; gap: var(--space-10); }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* ─── SCROLL REVEAL ANIMATIONS ──────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ─── MISC HELPERS ──────────────────────────────────────────── */
.text-ochre { color: var(--color-primary); }
.text-teal { color: var(--color-science); }
.text-muted { color: var(--color-text-muted); }
.font-display { font-family: var(--font-display); }

/* Inline science badge */
.science-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-science-dim);
  border: 1px solid var(--color-science);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-science);
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* Product badge */
.product-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-dim);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.06em;
  font-weight: 500;
  margin-bottom: var(--space-4);
}

/* ═══════════════════════════════════════════════════
   NAV LOGO — hybrid emblem sizing update
═══════════════════════════════════════════════════ */
.nav__logo svg {
  width: 52px;
  height: 28px;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════
   PACKAGING GALLERY
═══════════════════════════════════════════════════ */
.packaging-gallery figure {
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}
.packaging-gallery figure:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(200, 118, 42, 0.15);
}
.packaging-gallery figure img {
  transition: transform 0.5s var(--ease-out);
}
.packaging-gallery figure:hover img {
  transform: scale(1.03);
}


/* ═══════════════════════════════════════════════════
   COLOURWAY SWITCHER
═══════════════════════════════════════════════════ */
.product__colourway-wrap {
  position: relative;
}

.product__colourway-btns {
  display: flex;
  gap: 10px;
  margin-top: var(--space-4);
  justify-content: center;
}

.colourway-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease-out), border-color 0.2s;
  padding: 0;
  outline-offset: 3px;
}

.colourway-btn:hover {
  transform: scale(1.15);
}

.colourway-btn--active,
.colourway-btn[aria-pressed="true"] {
  border-color: #c8762a;
  transform: scale(1.1);
}

#productBottleImg {
  transition: opacity 0.35s var(--ease-out);
}

#productBottleImg.switching {
  opacity: 0;
}



/* ═══════════════════════════════════════════════════════
   SUNUMBRA BRAND ENDORSEMENT STYLES
═══════════════════════════════════════════════════════ */

/* Nav logo byline — "by Sunumbra®" beneath OCHRE wordmark */
.nav__logo-wordmark {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1;
  gap: 3px;
}

.nav__logo-name {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #C4872A;
  line-height: 1;
}

.nav__logo-byline {
  display: block;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: #C4872A;
  text-transform: lowercase;
  line-height: 1;
}

.nav__logo-byline sup {
  font-size: 9px;
}

/* Hero provenance line */
.hero__provenance {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 400;
  color: rgba(232, 228, 222, 0.80);
  letter-spacing: 0.02em;
  line-height: 1.6;
  margin-top: var(--space-4);
  border-left: 2px solid var(--color-ochre);
  padding-left: var(--space-4);
  max-width: 480px;
  text-shadow: 0 1px 10px rgba(0,0,0,0.4);
}

.hero__provenance sup {
  font-size: 0.65em;
}

/* Provenance block — shown in "Our Ancestor" section */
.provenance-block {
  margin-top: var(--space-8);
}

.provenance-block__inner {
  border: 1px solid var(--color-ochre);
  border-left: 3px solid var(--color-ochre);
  border-radius: 0 8px 8px 0;
  padding: var(--space-6) var(--space-8);
  background: color-mix(in srgb, var(--color-ochre) 5%, var(--color-surface));
}

.provenance-block__label {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ochre);
  margin-bottom: var(--space-3);
}

.provenance-block__label sup {
  font-size: 0.65em;
}

.provenance-block__body {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-text-muted);
  margin: 0;
}

/* Footer byline + provenance */
.footer__byline {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ochre);
  letter-spacing: 0.06em;
  margin-top: var(--space-3);
  margin-bottom: var(--space-2);
}

.footer__byline sup {
  font-size: 0.65em;
}

.footer__provenance {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.footer__provenance sup {
  font-size: 0.65em;
}

/* Light mode overrides for provenance block */
[data-theme="light"] .provenance-block__inner {
  background: color-mix(in srgb, var(--color-ochre) 6%, var(--color-surface));
}


/* ═══════════════════════════════════════════════════════
   NAV LOGO VISIBILITY FIX — light mode over dark hero
   The nav starts transparent over the dark hero image.
   In light mode, --color-text is near-black and vanishes.
   Force logo to light until the nav has a background.
═══════════════════════════════════════════════════════ */

/* Nav logo — ochre colour is consistent in both scrolled and un-scrolled states */
.nav__logo-name,
.nav__logo-byline {
  color: #C4872A !important;
}


/* ═══════════════════════════════════════════════════════
   BRAND LOCKUP — universal emblem + OCHRE + by Sunumbra®
   Used in: nav, footer, product section
═══════════════════════════════════════════════════════ */

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-lockup__emblem {
  flex-shrink: 0;
}

.brand-lockup__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1;
}

.brand-lockup__wordmark {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text);
  line-height: 1;
}

.brand-lockup__wordmark--lg {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  letter-spacing: 0.2em;
}

.brand-lockup__byline {
  display: block;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  text-transform: lowercase;
  margin-top: 5px;
  line-height: 1;
}

.brand-lockup__byline sup {
  font-size: 8px;
}

/* Footer lockup sizing */
.footer__brand-lockup {
  margin-bottom: var(--space-5);
}

.footer__brand-lockup .brand-lockup__emblem {
  width: 56px;
  height: 30px;
}

.footer__brand-lockup .brand-lockup__wordmark {
  font-size: 1.5rem;
  color: var(--color-text);
}

.footer__brand-lockup .brand-lockup__byline {
  color: var(--color-ochre);
  font-size: 13px;
}

/* Product section lockup sizing */
.product__brand-lockup {
  margin-bottom: var(--space-3);
}

.product__brand-lockup .brand-lockup__emblem {
  width: 72px;
  height: 39px;
}

.product__brand-lockup .brand-lockup__byline {
  color: var(--color-ochre);
  font-size: 14px;
  font-weight: 500;
}

/* Product subheading (Mitochondrial Defence Lotion) */
.product__product-subheading {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--color-text-muted);
  margin-top: 0;
  margin-bottom: var(--space-5);
}



/* ═══════════════════════════════════════════════════════
   HERO OUTLINE BUTTON — light mode visibility fix
   In light mode the hero sits over a dark image, so
   --color-text (near-black) is invisible. Force cream.
═══════════════════════════════════════════════════════ */
.hero .btn--outline {
  color: #e8e4de;
  border-color: rgba(232, 228, 222, 0.55);
}

.hero .btn--outline:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: rgba(196, 135, 42, 0.08);
}



/* ═══════════════════════════════════════════════════════
   PRODUCT BOTTLE — brand lockup overlay
   Positioned over the bottle image to show revised logo
═══════════════════════════════════════════════════════ */
.product__bottle-wrap {
  position: relative;
  display: inline-block;
  width: 100%;
}

.product__bottle-wrap img {
  display: block;
  width: 100%;
  height: auto;
}

/* Lockup positioned in the label zone of the bottle ~38% from top, centred */
.product__bottle-lockup {
  position: absolute;
  top: 38%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  pointer-events: none;
  text-align: center;
}

.product__bottle-emblem {
  width: 44px;
  height: 24px;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.12));
}

.product__bottle-wordmark {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text);
  line-height: 1;
}

.product__bottle-byline {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-ochre);
  text-transform: lowercase;
  line-height: 1;
}

.product__bottle-byline sup {
  font-size: 6px;
}

/* Charcoal colourway — keep text cream */
.product__bottle-lockup--dark .product__bottle-wordmark {
  color: #e8e4de;
}


/* ═══════════════════════════════════════════════════
   RADIATION ANIMATION OVERLAY
═══════════════════════════════════════════════════ */
.threat__image-wrap {
  position: relative;
  overflow: hidden;
}

.radiation-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: inherit;
}

.radiation-ray {
  position: absolute;
  width: 3px;
  height: 160%;
  top: -30%;
  transform-origin: top center;
  border-radius: 2px;
  opacity: 0;
}

.radiation-ray--solar {
  background: linear-gradient(to bottom,
    rgba(255, 180, 40, 0) 0%,
    rgba(255, 160, 20, 0.85) 30%,
    rgba(255, 200, 80, 0.6) 60%,
    rgba(255, 180, 40, 0) 100%
  );
  filter: blur(1px);
}

.radiation-ray--cosmic {
  width: 2px;
  background: linear-gradient(to bottom,
    rgba(80, 200, 220, 0) 0%,
    rgba(60, 200, 210, 0.9) 35%,
    rgba(100, 220, 240, 0.5) 65%,
    rgba(80, 200, 220, 0) 100%
  );
  filter: blur(0.5px);
}

/* Individual ray positions and timings */
.ray-1 {
  left: 72%;
  transform: rotate(-38deg);
  animation: rayStrike 3.8s ease-in-out infinite;
  animation-delay: 0s;
  width: 4px;
}
.ray-2 {
  left: 78%;
  transform: rotate(-42deg);
  animation: rayStrike 4.2s ease-in-out infinite;
  animation-delay: 0.6s;
  width: 2px;
}
.ray-3 {
  left: 68%;
  transform: rotate(-33deg);
  animation: rayStrike 5.1s ease-in-out infinite;
  animation-delay: 1.4s;
  width: 3px;
}
.ray-4 {
  left: 65%;
  transform: rotate(-28deg);
  animation: rayStrikeFast 2.9s ease-in-out infinite;
  animation-delay: 0.3s;
}
.ray-5 {
  left: 82%;
  transform: rotate(-46deg);
  animation: rayStrikeFast 3.4s ease-in-out infinite;
  animation-delay: 1.1s;
}
.ray-6 {
  left: 75%;
  transform: rotate(-40deg);
  animation: rayStrike 6.0s ease-in-out infinite;
  animation-delay: 2.2s;
  width: 5px;
  filter: blur(2px);
}
.ray-7 {
  left: 60%;
  transform: rotate(-25deg);
  animation: rayStrikeFast 2.4s ease-in-out infinite;
  animation-delay: 1.8s;
  width: 1.5px;
}

@keyframes rayStrike {
  0%   { opacity: 0; transform: rotate(var(--r, -38deg)) translateY(-8%); }
  15%  { opacity: 0.9; }
  50%  { opacity: 0.7; }
  80%  { opacity: 0.4; }
  100% { opacity: 0; transform: rotate(var(--r, -38deg)) translateY(5%); }
}

@keyframes rayStrikeFast {
  0%   { opacity: 0; }
  20%  { opacity: 1; }
  60%  { opacity: 0.6; }
  100% { opacity: 0; }
}

/* Pulse glow on the globe when radiation hits */
.radiation-pulse {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    ellipse 35% 35% at 72% 45%,
    rgba(255, 160, 20, 0.18) 0%,
    transparent 70%
  );
  animation: pulsateGlow 3.8s ease-in-out infinite;
}

@keyframes pulsateGlow {
  0%, 100% { opacity: 0.3; }
  40%       { opacity: 1; }
  70%       { opacity: 0.5; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .radiation-ray,
  .radiation-pulse {
    animation: none;
    opacity: 0;
  }
}

/* ── Light mode hero gradient — diagonal greyscale: light top-right → dark bottom-left ── */
[data-theme="light"] .hero__bg::after {
  background:
    linear-gradient(to bottom left,
      rgba(255,255,255,0.05)  0%,
      rgba(120,120,120,0.50) 40%,
      rgba(25,25,25,0.95)   100%
    ),
    linear-gradient(to right,
      rgba(20,20,20,0.75)  0%,
      rgba(20,20,20,0.30) 50%,
      rgba(20,20,20,0.00) 100%
    );
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) .hero__bg::after {
    background:
      linear-gradient(to bottom left,
        rgba(255,255,255,0.05)  0%,
        rgba(120,120,120,0.50) 40%,
        rgba(25,25,25,0.95)   100%
      ),
      linear-gradient(to right,
        rgba(20,20,20,0.75)  0%,
        rgba(20,20,20,0.30) 50%,
        rgba(20,20,20,0.00) 100%
      );
  }
}

/* Light mode hero text — light text on dark diagonal overlay */
[data-theme="light"] .hero__content,
[data-theme="light"] .hero__headline,
[data-theme="light"] .hero__subhead {
  color: #f0f0ee;
}
[data-theme="light"] .hero__eyebrow {
  color: var(--color-primary);
}
[data-theme="light"] .hero__scroll-hint {
  color: rgba(240,240,238,0.6);
}

/* ═══════════════════════════════════════════════════════
   KLAVIYO FORM OVERRIDE — OCHRE BRANDING
═══════════════════════════════════════════════════════ */

/* Hide Klaviyo's own container chrome */
.klaviyo-form-URLiJv,
.klaviyo-form-URLiJv .go4109123758,
.klaviyo-form-URLiJv [data-testid="form-component"] {
  background: transparent !important;
  box-shadow: none !important;
  border: none !important;
  padding: 0 !important;
  margin: 0 !important;
  border-radius: 0 !important;
}

/* Input field */
.klaviyo-form-URLiJv input[type="email"],
.klaviyo-form-URLiJv input[type="text"] {
  background: rgba(255, 255, 255, 0.06) !important;
  border: 1px solid rgba(200, 188, 160, 0.25) !important;
  border-radius: 4px !important;
  color: var(--color-text) !important;
  font-family: var(--font-sans) !important;
  font-size: var(--text-sm) !important;
  padding: 0.75rem 1rem !important;
  width: 100% !important;
  margin-bottom: 0.75rem !important;
  outline: none !important;
  transition: border-color 0.2s !important;
}

.klaviyo-form-URLiJv input[type="email"]:focus,
.klaviyo-form-URLiJv input[type="text"]:focus {
  border-color: #C4872A !important;
}

.klaviyo-form-URLiJv input::placeholder {
  color: var(--color-text-faint) !important;
}

/* Submit button */
.klaviyo-form-URLiJv button[type="submit"],
.klaviyo-form-URLiJv .go-button,
.klaviyo-form-URLiJv [data-testid="submit-button"] {
  background: #C4872A !important;
  color: #F7F4EE !important;
  border: none !important;
  border-radius: 4px !important;
  font-family: var(--font-sans) !important;
  font-size: var(--text-sm) !important;
  font-weight: 600 !important;
  letter-spacing: 0.08em !important;
  text-transform: uppercase !important;
  padding: 0.75rem 2rem !important;
  cursor: pointer !important;
  width: 100% !important;
  transition: background 0.2s !important;
}

.klaviyo-form-URLiJv button[type="submit"]:hover,
.klaviyo-form-URLiJv [data-testid="submit-button"]:hover {
  background: #a8711f !important;
}

/* Heading and paragraph text Klaviyo injects */
.klaviyo-form-URLiJv h1,
.klaviyo-form-URLiJv h2,
.klaviyo-form-URLiJv h3,
.klaviyo-form-URLiJv p {
  display: none !important;
}

/* Success message */
.klaviyo-form-URLiJv [data-testid="success-component"],
.klaviyo-form-URLiJv .success-text {
  color: #C4872A !important;
  font-family: var(--font-sans) !important;
  font-size: var(--text-sm) !important;
  padding: 0.75rem 0 !important;
}


/* Dark mode (default): show Red Oxide trademark */
.nav__logo picture source,
.product__trademark picture source,
.footer__trademark picture source { display: block; }

/* Light mode via JS toggle: show charcoal trademark */


/* ── Formula IP notice ─────────────────────────────────── */
.formula__ip-notice {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--space-6);
  padding: var(--space-3) var(--space-6);
  border: 1px solid rgba(196, 135, 42, 0.3);
  border-radius: 4px;
  display: inline-block;
  width: auto;
}
.formula__header {
  text-align: center;
}