/* === GLOBAL STYLES === */

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  font-feature-settings: "zero" 1;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: clamp(1.25rem, 4vw, 2rem);
  padding-right: clamp(1.25rem, 4vw, 2rem);
}

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

/* Section spacing */
section {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}

section.section--sm {
  padding-top: var(--section-padding-sm);
  padding-bottom: var(--section-padding-sm);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.15;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  color: var(--color-text-secondary);
  max-width: 70ch;
  line-height: 1.55;
}

.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-text-muted); }
.text-mono { font-family: var(--font-mono); font-feature-settings: "zero" 1; }

/* Section label — monospace accent */
.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--gap-sm);
}

.section-title {
  font-size: var(--text-4xl);
  margin-bottom: var(--gap-md);
  line-height: 1.1;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 60ch;
  line-height: 1.55;
}

.section-header {
  margin-bottom: var(--gap-2xl);
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* Links */
a {
  transition: color var(--transition-base);
}

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

/* Buttons — siftstack style */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2.25rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 0;
  border: none;
  transition: all var(--transition-base);
  white-space: nowrap;
  line-height: 1;
  font-feature-settings: "zero" 1;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg-primary);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-bg-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(238, 65, 32, 0.35);
}

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

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

.btn--lg {
  padding: 1rem 2.75rem;
  font-size: var(--text-sm);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-xs);
}

.btn svg {
  width: 1em;
  height: 1em;
}

/* Cards */
.card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--gap-lg);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card__icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--gap-md);
  color: var(--color-accent);
}

.card__icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--gap-xs);
}

.card__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
  margin-top: var(--gap-md);
  transition: gap var(--transition-base);
}

.card__link:hover {
  gap: 0.625rem;
  color: var(--color-accent);
}

/* Grid layouts */
.grid {
  display: grid;
  gap: var(--gap-lg);
}

.grid--2 { display: grid; gap: var(--gap-lg); grid-template-columns: repeat(2, 1fr); }
.grid--3 { display: grid; gap: var(--gap-lg); grid-template-columns: repeat(3, 1fr); }
.grid--4 { display: grid; gap: var(--gap-lg); grid-template-columns: repeat(4, 1fr); }

.related-products { display: grid; gap: var(--gap-lg); grid-template-columns: repeat(2, 1fr); }

@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid--4,
  .grid--3,
  .grid--2,
  .related-products { grid-template-columns: 1fr; }
}

/* Divider */
.divider {
  border: none;
  height: 1px;
  background: var(--color-border);
}

/* Breadcrumb — monospace */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--gap-lg);
  flex-wrap: wrap;
  letter-spacing: 0.02em;
}

.breadcrumb a {
  color: var(--color-text-secondary);
}

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

.breadcrumb__sep {
  color: var(--color-text-muted);
  font-size: 0.75em;
}

/* Spec tables (legacy fallback) */
.spec-table {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
}

.spec-table thead th {
  background: var(--color-bg-secondary);
  padding: 1rem 1.25rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}

.spec-table tbody td {
  padding: 0.875rem 1.25rem;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}

.spec-table tbody td:first-child {
  font-weight: 500;
  color: var(--color-text-primary);
}

.spec-table tbody tr:last-child td {
  border-bottom: none;
}

.spec-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* === Product details — spec rows + why panel === */
.product-details {
  display: flex;
  flex-direction: column;
  gap: var(--gap-2xl);
}

.spec-grid {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-border);
}

.spec-card {
  display: flex;
  align-items: baseline;
  gap: var(--gap-lg);
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--color-border);
}

.spec-card__label {
  flex-shrink: 0;
  width: 11rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-primary);
}

.spec-card__value {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.why-panel {
  padding-top: var(--gap-lg);
}

.why-panel__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--gap-md);
}

.why-panel__list {
  display: flex;
  flex-direction: column;
  gap: var(--gap-xs);
}

.why-panel__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.why-panel__item::before {
  content: '';
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  margin-top: 0.5em;
  background: var(--color-accent);
  border-radius: 50%;
}

@media (max-width: 640px) {
  .spec-card {
    flex-direction: column;
    gap: 0.25rem;
  }
  .spec-card__label {
    width: auto;
  }
}

/* Light section variant */
.section--light {
  background: var(--color-surface-light);
}

.section--light h2,
.section--light h3,
.section--light h4,
.section--light .card__title {
  color: var(--color-bg-primary);
}

.section--light p,
.section--light .card__text {
  color: #42454d;
}

.section--light .section-label {
  color: var(--color-accent);
}

.section--light .card {
  background: #fff;
  border-color: #e0e0e0;
}

.section--light .card:hover {
  border-color: var(--color-accent);
  background: #fff;
}

/* === HEADER / NAV === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: 0;
  background: var(--color-accent);
  border-bottom: none;
}

.site-header.scrolled {
  background: rgba(238, 65, 32, 0.97);
}

@media (min-width: 1025px) {
  .site-header.scrolled {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}

.logo svg,
.logo img {
  height: 1.75rem;
  width: auto;
}

.logo__text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0;
  height: 100%;
}

.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0 1.25rem;
  height: 3.5rem;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.85);
  transition: color 0.2s ease, background-color 0.2s ease;
  font-feature-settings: "zero" 1;
  position: relative;
}

.nav__link:hover {
  color: #ffffff;
}

/* Dropdown trigger gets dark overlay when open */
.nav__item.open > .nav__link {
  color: #ffffff;
  background-color: rgba(0, 0, 0, 0.12);
}

.nav__link.active {
  color: #ffffff;
}

/* Chevron for dropdown triggers */
.nav__link .nav__chevron {
  width: 1rem;
  height: 1rem;
  transform: rotate(-90deg);
  transition: transform 0.5s cubic-bezier(0.76, 0, 0.24, 1);
  color: rgba(255, 255, 255, 0.85);
}

.nav__link:hover .nav__chevron {
  color: #ffffff;
}

.nav__item.open > .nav__link .nav__chevron {
  color: #ffffff;
}

.nav__item.open .nav__chevron {
  transform: rotate(0deg);
  color: #ffffff;
}

/* Nav items (wrapper for link + dropdown) */
.nav__item {
  display: flex;
  align-items: center;
  height: 100%;
}

/* Divider between nav links and CTA */
.nav__divider {
  width: 1px;
  height: 1.25rem;
  background: rgba(255, 255, 255, 0.3);
  margin: 0 0.75rem;
  flex-shrink: 0;
}

.nav__cta {
  margin-left: 0.5rem;
  height: auto;
}

/* Nav CTA override — squared outline button */
.site-header .nav__cta.btn--primary {
  background: transparent;
  color: #ffffff;
  border: 1px solid #ffffff;
  border-radius: 0;
  padding: 0.625rem 1.75rem;
  font-weight: 500;
  box-shadow: none;
}

.site-header .nav__cta.btn--primary:hover {
  background: #ffffff;
  color: var(--color-accent);
  transform: none;
  box-shadow: none;
}

/* === MEGA DROPDOWN === */
.mega-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-accent);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  max-height: 0;
  visibility: hidden;
  transition: max-height 0.5s cubic-bezier(0.76, 0, 0.24, 1), visibility 0.5s cubic-bezier(0.76, 0, 0.24, 1);
  z-index: var(--z-nav);
}

.mega-dropdown::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(0, 0, 0, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.nav__item.open .mega-dropdown {
  max-height: 600px;
  visibility: visible;
}

.mega-dropdown .container {
  display: flex;
  align-items: stretch;
  gap: 0;
  height: auto;
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
  position: relative;
  z-index: 1;
}

.mega-dropdown__intro {
  flex: 0 0 38%;
  max-width: 38%;
  padding-right: 3rem;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease 0.1s, transform 0.4s ease 0.1s;
}

.nav__item.open .mega-dropdown__intro {
  opacity: 1;
  transform: translateY(0);
}

.mega-dropdown__title {
  font-family: var(--font-body);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 400;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.mega-dropdown__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.75rem;
  font-feature-settings: "zero" 1;
}

.mega-dropdown__desc {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  max-width: 36ch;
  font-feature-settings: "zero" 1;
}

.mega-dropdown__links {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-left: 3.5rem;
  justify-content: flex-start;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease 0.18s, transform 0.4s ease 0.18s;
}

.nav__item.open .mega-dropdown__links {
  opacity: 1;
  transform: translateY(0);
}

.mega-dropdown__link {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #ffffff;
  padding: 0.75rem 0;
  transition: all var(--transition-base);
  font-feature-settings: "zero" 1;
}

.mega-dropdown__link::before {
  content: '+';
  font-weight: 300;
  font-size: 1em;
  opacity: 0.7;
  transition: opacity var(--transition-base);
}

.mega-dropdown__link:hover {
  color: #ffffff;
  padding-left: 0.5rem;
}

.mega-dropdown__link:hover::before {
  opacity: 1;
}

/* Dropdown overlay */
.dropdown-overlay {
  display: none;
  position: fixed;
  top: 3.5rem;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-nav) - 1);
}

.dropdown-overlay.open {
  display: block;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0.4rem;
}

/* Aperture icon */
.aperture-icon {
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.aperture-ring {
  transition: stroke 0.3s ease, r 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.aperture-blade {
  transition: stroke 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

.nav-toggle:hover .aperture-icon {
  transform: rotate(30deg);
}

.nav-toggle:hover .aperture-ring {
  stroke: var(--color-accent);
}

.nav-toggle:hover .aperture-blade {
  stroke: var(--color-accent);
}

.nav-toggle.open .aperture-icon {
  transform: rotate(180deg);
}

.nav-toggle.open .aperture-blade {
  opacity: 0;
}

.nav-toggle.open .aperture-ring {
  stroke: #ffffff;
  stroke-width: 2;
}

/* Close X — hidden by default, shown when open */
.aperture-close {
  opacity: 0;
  stroke-width: 2;
  transition: opacity 0.3s ease, stroke 0.3s ease;
}

.nav-toggle.open .aperture-close {
  opacity: 1;
}

.nav-toggle:hover .aperture-close {
  stroke: var(--color-accent);
}

/* Mobile nav */
@media (max-width: 1024px) {
  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(360px, 90vw);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    height: auto;
    background: var(--color-accent);
    padding: 4.5rem 0 2rem;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    border-left: none;
    overflow-y: auto;
    z-index: var(--z-nav);
  }

  .nav.open {
    transform: translateX(0);
  }

  .nav__item {
    flex-direction: column;
    height: auto;
  }

  .nav__link {
    height: auto;
    padding: 0.875rem 1.5rem;
    font-size: var(--text-sm);
    justify-content: center;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.8);
  }

  .nav__divider {
    display: none;
  }

  .nav__cta {
    margin: var(--gap-md) 1.5rem 0;
    text-align: center;
  }

  .site-header .nav__cta.btn--primary {
    background: transparent;
    color: #ffffff;
    border: 1px solid #ffffff;
  }

  /* Mobile dropdown */
  .mega-dropdown {
    position: static;
    transform: none;
    max-height: 0;
    visibility: hidden;
    transition: max-height var(--transition-slow), visibility var(--transition-slow);
  }

  .nav__item.open .mega-dropdown {
    max-height: 600px;
    visibility: visible;
    transform: none;
  }

  .mega-dropdown__intro,
  .mega-dropdown__links {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .mega-dropdown .container {
    flex-direction: column;
    gap: var(--gap-md);
    padding-top: var(--gap-md);
    padding-bottom: var(--gap-md);
  }

  .mega-dropdown__intro {
    flex: none;
    max-width: 100%;
    padding-right: 0;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding-bottom: var(--gap-md);
  }

  .mega-dropdown__title {
    font-size: var(--text-2xl);
    margin-bottom: 0.75rem;
  }

  .mega-dropdown__links {
    padding-left: 0;
    padding-top: 0;
  }

  .mega-dropdown__link {
    font-size: var(--text-sm);
    padding: 0.5rem 0;
  }

  .dropdown-overlay {
    display: none !important;
  }

  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: calc(var(--z-nav) - 1);
  }

  .nav-overlay.open {
    display: block;
  }

}

/* === FOOTER === */
.site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding-top: var(--section-padding);
  padding-bottom: var(--gap-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--gap-2xl);
  margin-bottom: var(--gap-2xl);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

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

.footer-brand {
  max-width: 320px;
}

.footer-brand .logo {
  margin-bottom: var(--gap-md);
}

.footer-brand p {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.02em;
  margin-bottom: var(--gap-md);
}

.footer-social {
  display: flex;
  gap: var(--gap-sm);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: var(--color-accent);
  color: #fff;
}

.footer-social svg {
  width: 1.125rem;
  height: 1.125rem;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--gap-md);
  color: var(--color-text-muted);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-col li {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.footer-col a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition-base);
  padding: 0.1875rem 0;
}

/* + prefix on nav links (exclude tel/mailto) */
.footer-col a:not([href^="tel"]):not([href^="mailto"])::before {
  content: '+';
  font-weight: 300;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.3);
  transition: color var(--transition-base);
}

.footer-col a:hover {
  color: #ffffff;
}

.footer-col a:not([href^="tel"]):not([href^="mailto"]):hover::before {
  color: var(--color-accent);
}

.footer-bottom {
  padding-top: var(--gap-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--gap-sm);
}

.footer-bottom p {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero__bg video,
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(18, 22, 25, 0.94) 0%,
    rgba(18, 22, 25, 0.78) 50%,
    rgba(18, 22, 25, 0.88) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding-top: 6rem;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--gap-md);
}

.hero__title {
  font-size: var(--text-6xl);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: var(--gap-md);
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  max-width: 55ch;
  margin-bottom: var(--gap-xl);
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  gap: var(--gap-md);
  flex-wrap: wrap;
}

/* Page hero (smaller, for inner pages) */
.page-hero {
  padding-top: calc(5rem + var(--section-padding));
  padding-bottom: var(--section-padding);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}

.page-hero__title {
  font-size: var(--text-5xl);
  margin-bottom: var(--gap-md);
}

.page-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 60ch;
  line-height: 1.55;
}

.page-hero__answer {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 70ch;
}

/* === TRUST BAR === */
.trust-bar {
  padding: var(--gap-xl) 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.trust-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--gap-2xl);
  flex-wrap: wrap;
}

.trust-bar__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  white-space: nowrap;
  letter-spacing: 0.04em;
}

.trust-bar__item svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* === CTA SECTION — Accent red with dot grid (siftstack pattern) === */
.cta-section {
  position: relative;
  background: var(--color-accent);
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(0, 0, 0, 0.10) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

.cta-section > * {
  position: relative;
  z-index: 1;
}

.cta-section .container {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--gap-2xl);
}

.cta-section__title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 300;
  color: #ffffff;
  line-height: 1.15;
  flex: 1;
  max-width: 50%;
}

.cta-section__body {
  flex: 1;
  max-width: 45%;
}

.cta-section__text {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin-bottom: var(--gap-lg);
  font-feature-settings: "zero" 1;
}

.cta-section__actions {
  display: flex;
  gap: var(--gap-md);
  flex-wrap: wrap;
}

.cta-section .btn--primary {
  background: #ffffff;
  color: var(--color-bg-primary);
}

.cta-section .btn--primary:hover {
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-bg-primary);
}

.cta-section .btn--secondary {
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.cta-section .btn--secondary:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
  .cta-section .container {
    flex-direction: column;
    gap: var(--gap-lg);
  }
  .cta-section__title,
  .cta-section__body {
    max-width: 100%;
  }
}

/* === IMAGE GALLERY (Lightbox) === */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--gap-sm);
}

.gallery__item {
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery__item:hover img {
  transform: scale(1.05);
}

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(0, 0, 0, 0.9);
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius-md);
}

.lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: white;
  font-size: 2rem;
  padding: 0.5rem;
  line-height: 1;
}

/* === MOBILE OVERFLOW FIXES === */
@media (max-width: 640px) {
  .spec-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .btn--lg {
    padding: 0.875rem 1.75rem;
    font-size: var(--text-xs);
  }

  .btn {
    white-space: normal;
    max-width: 100%;
  }

  .num-label__stripes {
    width: 3rem;
  }

  .page-hero__title {
    font-size: var(--text-4xl);
  }

  .section-title {
    font-size: var(--text-3xl);
  }

  .cta-section__title {
    font-size: var(--text-3xl);
  }

  .trust-bar__inner {
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: var(--gap-lg);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.25rem;
  }

  .trust-bar__inner::-webkit-scrollbar {
    display: none;
  }
}

/* Utility: sr-only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* === SIFTSTACK GRAPHIC ELEMENTS === */

/* Dot grid background pattern */
.dot-grid {
  position: relative;
}

.dot-grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

.dot-grid > * {
  position: relative;
  z-index: 1;
}

/* Numbered label with hazard stripes */
.num-label {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: var(--gap-md);
}

.num-label__stripes {
  display: inline-block;
  width: 6rem;
  height: 0.875rem;
  background: repeating-linear-gradient(
    -55deg,
    var(--color-accent),
    var(--color-accent) 3px,
    #ffffff 3px,
    #ffffff 6px
  );
  border-radius: 2px;
}

.num-label__number {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.01em;
  font-feature-settings: "zero" 1;
}

/* Arrow bullet list */
.arrow-list {
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
}

.arrow-list li {
  display: flex;
  gap: 0.75rem;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.arrow-list li::before {
  content: '\2192';
  color: var(--color-accent);
  font-family: var(--font-mono);
  flex-shrink: 0;
  font-weight: 500;
}

/* Section with dot grid and numbered heading */
.numbered-section {
  position: relative;
}

.numbered-section__heading {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: var(--gap-md);
}

/* Dot grid — light variant (subtle gray dots on light surface) */
.dot-grid--light {
  position: relative;
  background: #ebebeb;
}

.dot-grid--light::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(0, 0, 0, 0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

.dot-grid--light > * {
  position: relative;
  z-index: 1;
}

/* Light section text overrides for dot-grid--light */
.dot-grid--light .section-title,
.dot-grid--light h2,
.dot-grid--light h3,
.dot-grid--light h4 {
  color: var(--color-bg-primary);
}

.dot-grid--light .section-subtitle,
.dot-grid--light p {
  color: #42454d;
}

.dot-grid--light .section-label {
  color: var(--color-accent);
}

/* === SPLIT HEADER — title left, description right (siftstack pattern) === */
.split-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--gap-2xl);
  margin-bottom: var(--gap-2xl);
}

.split-header__title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 300;
  line-height: 1.15;
  color: var(--color-bg-primary);
  flex: 1;
  max-width: 55%;
}

.split-header__desc {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 400;
  line-height: 1.7;
  color: #5a5d66;
  flex: 1;
  max-width: 40%;
  padding-top: 0.5rem;
  font-feature-settings: "zero" 1;
}

@media (max-width: 768px) {
  .split-header {
    flex-direction: column;
    gap: var(--gap-md);
  }
  .split-header__title,
  .split-header__desc {
    max-width: 100%;
  }
}

/* === SIFT CARD — White box cards on dot-grid (siftstack pattern) === */

/* Grid wrapper (optional padding container) */
.sift-grid-wrap {
  position: relative;
}

.sift-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap-lg);
}

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

.sift-card {
  background: #ffffff;
  padding: var(--gap-xl) var(--gap-lg);
  border-radius: 2px;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.sift-card__icon {
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: var(--gap-md);
  color: var(--color-accent);
}

.sift-card__icon svg {
  width: 100%;
  height: 100%;
  stroke: var(--color-accent);
  stroke-width: 1.5;
  fill: none;
}

.sift-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--gap-sm);
  color: var(--color-bg-primary);
}

.sift-card__text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: #6e6d75;
  line-height: 1.7;
  font-feature-settings: "zero" 1;
}

.sift-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-top: var(--gap-md);
  transition: gap var(--transition-base);
}

.sift-card__link:hover {
  gap: 0.625rem;
  color: var(--color-accent);
}

/* Sift grid — 3 column variant */
.sift-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 1024px) {
  .sift-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .sift-grid--3 {
    grid-template-columns: 1fr;
  }
}

/* Sift card — dark variant (for use on dark backgrounds) */
.sift-card--dark {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
}

.sift-card--dark .sift-card__title {
  color: var(--color-text-primary);
}

.sift-card--dark .sift-card__text {
  color: var(--color-text-secondary);
}

/* === FAQ ACCORDION === */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-bottom: 1px solid var(--color-border-light);
}

.faq-item:first-child {
  border-top: 1px solid var(--color-border-light);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1.25rem 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition-base);
}

.faq-item__question::-webkit-details-marker { display: none; }

.faq-item__question::after {
  content: '+';
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-left: var(--gap-md);
  transition: transform var(--transition-base);
}

.faq-item[open] .faq-item__question::after {
  content: '−';
}

.faq-item__question:hover {
  color: var(--color-accent);
}

.faq-item__answer {
  padding-bottom: 1.25rem;
}

.faq-item__answer p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 70ch;
}

/* Light-background FAQ overrides */
.dot-grid--light .faq-item {
  border-color: rgba(0, 0, 0, 0.12);
}

.dot-grid--light .faq-item:first-child {
  border-color: rgba(0, 0, 0, 0.12);
}

.dot-grid--light .faq-item__question {
  color: var(--color-bg-primary);
}

.dot-grid--light .faq-item__answer p {
  color: #42454d;
}

/* === LAST UPDATED === */
.last-updated {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: var(--gap-xl);
}

/* === SCROLL REVEAL ANIMATIONS === */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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