:root {
  --color-bg: #070707;
  --color-bg-alt: rgba(26, 26, 26, 0.7);
  --color-surface: rgba(34, 34, 34, 0.6);
  --color-surface-strong: rgba(44, 44, 44, 0.78);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-primary: #e2e2e2;
  --color-secondary: #b5b5b5;
  --color-tertiary: #7f7f7f;
  --color-text: #f5f5f5;
  --color-muted: rgba(210, 210, 210, 0.75);
  --radius-lg: 32px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --shadow-lg: 0 32px 110px rgba(0, 0, 0, 0.58);
  --shadow-md: 0 24px 80px rgba(0, 0, 0, 0.48);
  --shadow-sm: 0 16px 50px rgba(0, 0, 0, 0.4);
  --gradient-primary: linear-gradient(125deg, rgba(245, 245, 245, 0.95) 0%, rgba(215, 215, 215, 0.92) 50%, rgba(170, 170, 170, 0.88) 100%);
  --gradient-soft: linear-gradient(155deg, rgba(38, 38, 38, 0.82), rgba(16, 16, 16, 0.72));
  --gradient-glass: linear-gradient(140deg, rgba(255, 255, 255, 0.14), rgba(200, 200, 200, 0.08) 55%, rgba(255, 255, 255, 0) 100%);
  --glass-outline: rgba(255, 255, 255, 0.12);
  --glass-outline-soft: rgba(255, 255, 255, 0.08);
  --glass-highlight: rgba(255, 255, 255, 0.2);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(160deg, #111111 0%, #050505 55%, #010101 100%);
  color: var(--color-text);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  isolation: isolate;
}

body::before,
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
}

body::before {
  background:
    radial-gradient(140% 140% at 100% 0%, rgba(255, 255, 255, 0.035), transparent 60%),
    radial-gradient(130% 120% at 0% 100%, rgba(120, 120, 120, 0.05), transparent 65%);
  mix-blend-mode: screen;
  opacity: 0.4;
}

body::after {
  inset: clamp(1rem, 2.4vw, 2.75rem);
  border-radius: clamp(26px, 4vw, 46px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(12, 12, 12, 0.42);
  box-shadow:
    0 80px 140px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.02) inset;
  opacity: 0.94;
}

main {
  position: relative;
  z-index: 1;
}

@keyframes floatGlow {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  50% {
    transform: translate3d(18px, -24px, 0) scale(1.05);
  }
}

@media (prefers-reduced-motion: reduce) {
  body::before,
  body::after,
  .background-glow {
    animation: none;
  }

  [data-animate] {
    transition-duration: 0s;
  }
}

.background-glow {
  position: fixed;
  inset: auto auto 12% 50%;
  width: 520px;
  height: 520px;
  translate: -50% 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18) 0%, transparent 70%);
  filter: blur(110px);
  z-index: -3;
  opacity: 0.5;
  mix-blend-mode: screen;
  animation: floatGlow 24s ease-in-out infinite;
}

.background-glow.glow-secondary {
  inset: 6% auto auto 18%;
  width: 580px;
  height: 580px;
  background: radial-gradient(circle, rgba(120, 120, 120, 0.22) 0%, transparent 70%);
  filter: blur(130px);
  animation-duration: 28s;
}

.container {
  width: min(1160px, 92vw);
  margin: 0 auto;
}

.hero .container {
  width: 100%;
  max-width: none;
  margin: 0;
}

.site-header {
  display: none;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  position: relative;
}

.nav__brand {
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-text);
  text-decoration: none;
  text-shadow: 0 8px 26px rgba(0, 0, 0, 0.6);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav__links a {
  color: rgba(220, 220, 220, 0.75);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.25s ease, text-shadow 0.3s ease;
}

.nav__links a:hover,
.nav__links a:focus {
  color: var(--color-primary);
  text-shadow: 0 0 18px rgba(255, 255, 255, 0.4);
}

.nav__cta {
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--color-primary) !important;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.nav__cta:hover {
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.48);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 0.35rem;
  background: none;
  border: none;
  padding: 0.25rem;
  cursor: pointer;
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 999px;
  transition: transform 0.3s ease;
}

.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(3rem, 8vw, 6rem) clamp(1.5rem, 6vw, 4rem);
}

.hero::before {
  content: '';
  position: absolute;
  inset: clamp(1.5rem, 4vw, 4rem);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.035);
  background: rgba(12, 12, 12, 0.42);
  box-shadow: 0 48px 130px rgba(0, 0, 0, 0.5);
  opacity: 0.95;
  z-index: -1;
}

.hero__layout {
  display: grid;
  gap: clamp(2rem, 4vw, 3.2rem);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  justify-items: center;
  position: relative;
  width: min(1120px, 92vw);
  min-height: clamp(28rem, 80vh, 42rem);
  padding: clamp(3.5rem, 6vw, 5rem) clamp(3rem, 6vw, 5.5rem);
  border-radius: var(--radius-lg);
}


.hero__wave {
  position: absolute;
  top: clamp(2rem, 5vw, 3.2rem);
  left: 50%;
  width: min(1800px, 96vw);
  height: clamp(110px, 18vh, 160px);
  transform: translateX(-50%);
  display: block;
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: screen;
  filter: drop-shadow(0 22px 48px rgba(0, 0, 0, 0.5));
  opacity: 0.85;
}

.hero__layout::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(140deg, rgba(32, 32, 32, 0.54), rgba(8, 8, 8, 0.85));
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow-lg);
  z-index: -1;
}

.hero__layout::after {
  content: '';
  position: absolute;
  inset: clamp(1.5rem, 5vw, 2.6rem);
  border-radius: calc(var(--radius-lg) - 16px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0));
  mask: linear-gradient(180deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.1));
  z-index: -1;
}

.hero::before,
.hero__layout::before,
.hero__layout::after {
  content: none;
  background: none;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.hero__layout > * {
  width: 100%;
}

.eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-secondary);
  text-shadow: 0 6px 14px rgba(0, 0, 0, 0.6);
  display: inline-block;
  margin-bottom: 1rem;
}

.hero__copy {
  display: grid;
  justify-items: center;
  gap: clamp(1.8rem, 4vw, 3.2rem);
  text-align: center;
  max-width: 54rem;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero__copy .eyebrow {
  margin-bottom: 0;
}

.hero__copy h1 {
  font-size: clamp(3.2rem, 5.6vw, 4.9rem);
  line-height: 1.05;
  margin: 0 0 1.5rem;
  background: linear-gradient(120deg, #f6f6f6 0%, #d9d9d9 40%, #b5b5b5 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  text-shadow: 0 24px 55px rgba(0, 0, 0, 0.65);
  letter-spacing: -0.01em;
}

.hero__copy p {
  max-width: 42rem;
  color: var(--color-muted);
  font-size: 1.05rem;
  text-shadow: 0 14px 32px rgba(0, 0, 0, 0.45);
  margin-left: auto;
  margin-right: auto;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: clamp(2.8rem, 4.5vw, 3.75rem) 0 0;
  position: relative;
  z-index: 1;
  justify-content: center;
}

.hero-summary {
  padding-top: 0;
}

.hero-summary__container {
  display: flex;
  justify-content: center;
}

.hero-summary__glass {
  padding: clamp(2.6rem, 4vw, 3.8rem) clamp(2.2rem, 5vw, 3.8rem);
  width: min(100%, 56rem);
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(145deg, rgba(36, 36, 36, 0.82), rgba(8, 8, 8, 0.78));
  box-shadow: 0 32px 65px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.hero-summary__glass::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.14), transparent 55%),
    radial-gradient(circle at 85% 30%, rgba(134, 99, 255, 0.18), transparent 60%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.05), rgba(0, 0, 0, 0.4));
  opacity: 0.9;
  pointer-events: none;
}

.hero-summary__glass::after {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-lg) - 8px);
  border: 1px solid rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.hero-summary__glass .hero-summary__copy {
  margin: 0;
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero-summary__glass .hero-summary__copy p {
  max-width: 46ch;
  margin-left: auto;
  margin-right: auto;
  color: var(--color-muted);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  line-height: 1.6;
  text-shadow: 0 16px 36px rgba(0, 0, 0, 0.48);
}

.hero-summary__copy p + p {
  margin-top: 1.5rem;
}

.hero-summary__glass .hero-summary__copy h2 {
  margin: 0 0 1.3rem;
  font-size: clamp(1.2rem, 1.9vw, 1.45rem);
  font-weight: 650;
  color: var(--color-text);
  text-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  background: rgba(255, 255, 255, 0.04);
  position: relative;
  overflow: hidden;
}

.button::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0));
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.button svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
}

.button--primary {
  background: var(--gradient-primary);
  color: #141414;
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.4);
  border-color: rgba(255, 255, 255, 0.22);
}

.button--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 32px 70px rgba(0, 0, 0, 0.45);
}

.button--primary:hover::after {
  opacity: 0.35;
}

.button--ghost {
  background: rgba(32, 32, 32, 0.55);
  border-color: rgba(255, 255, 255, 0.1);
}

.button--ghost:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

.button--ghost:hover::after {
  opacity: 0.25;
}

.button:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.35);
  outline-offset: 3px;
}

.nav__links a:focus-visible,
.nav__cta:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.35);
  outline-offset: 3px;
}

.hero__highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin: 2.25rem 0 0;
  padding: 0;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(145deg, rgba(36, 36, 36, 0.82), rgba(8, 8, 8, 0.78));
  box-shadow: 0 32px 65px rgba(0, 0, 0, 0.45);
  position: relative;
  overflow: hidden;
}

.hero__highlights::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.14), transparent 55%),
    radial-gradient(circle at 85% 30%, rgba(134, 99, 255, 0.18), transparent 60%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.05), rgba(0, 0, 0, 0.4));
  opacity: 0.9;
  pointer-events: none;
}

.hero__highlights::after {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-lg) - 8px);
  border: 1px solid rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.hero__highlights > div {
  position: relative;
  z-index: 1;
  padding: 1.8rem 2.1rem;
  text-align: center;
  transition: background 220ms ease, transform 220ms ease;
}

.hero__highlights > div::after {
  content: '';
  position: absolute;
  top: 22%;
  bottom: 22%;
  right: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.08), transparent);
  opacity: 0.8;
}

.hero__highlights > div:last-child::after {
  display: none;
}

.hero__highlights > div:hover {
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-2px);
}

.hero__highlights dt {
  font-weight: 650;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: rgba(255, 255, 255, 0.92);
}

.hero__highlights dd {
  margin: 0.5rem auto 0;
  max-width: 18ch;
  color: rgba(226, 226, 226, 0.72);
  font-size: 0.97rem;
  line-height: 1.5;
}

.hero__visual {
  display: flex;
  justify-content: center;
}

.glass-card {
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(48, 48, 48, 0.74), rgba(18, 18, 18, 0.68));
  border: 1px solid var(--glass-outline-soft);
  box-shadow: var(--shadow-lg);
  padding: 1rem;
  position: relative;
  overflow: hidden;
}

.glass-card::after {
  content: '';
  position: absolute;
  inset: 5%;
  border-radius: calc(var(--radius-lg) - 10px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--gradient-glass);
  opacity: 0.6;
  pointer-events: none;
}

.glass-card img {
  width: 100%;
  border-radius: calc(var(--radius-lg) - 12px);
  box-shadow: 0 18px 65px rgba(0, 0, 0, 0.6);
}

.glass-card > * {
  position: relative;
  z-index: 1;
}

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

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}

.section__header h2 {
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  margin: 0;
  background: linear-gradient(120deg, #f7f7f7 0%, #d5d5d5 45%, #aeaeae 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  text-shadow: 0 18px 44px rgba(0, 0, 0, 0.55);
}

.section__header p {
  margin-top: 1rem;
  color: var(--color-muted);
  text-shadow: 0 14px 32px rgba(0, 0, 0, 0.4);
}

.feature-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.feature-card {
  background: linear-gradient(160deg, rgba(44, 44, 44, 0.74), rgba(18, 18, 18, 0.7));
  border-radius: var(--radius-md);
  padding: 2.25rem;
  border: 1px solid var(--glass-outline-soft);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 255, 255, 0.2);
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-md) - 8px);
  background: var(--gradient-glass);
  opacity: 0.6;
  pointer-events: none;
  z-index: 0;
}

.feature-card:hover::before {
  opacity: 0.75;
}

.feature-card > * {
  position: relative;
  z-index: 1;
}

.feature-card__icon {
  width: 3rem;
  height: 3rem;
  display: inline-grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(248, 248, 248, 0.92), rgba(180, 180, 180, 0.9));
  box-shadow: 0 18px 32px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.feature-card__icon svg {
  width: 1.45rem;
  height: 1.45rem;
  fill: #1a1a1a;
}

.feature-card h3 {
  margin: 0;
  font-size: 1.3rem;
  color: var(--color-text);
  text-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
}

.feature-card p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.6;
}

.section--split {
  padding: 6rem 0;
}

.split {
  display: grid;
  gap: 3rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.glass-card--stacked {
  padding: 2.5rem;
}

.glass-card--stacked h3 {
  margin: 0 0 2rem;
  font-size: 1.4rem;
}

.glass-card--stacked ol {
  list-style: none;
  counter-reset: steps;
  display: grid;
  gap: 1.35rem;
  margin: 0;
  padding: 0;
}

.glass-card--stacked li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  color: var(--color-muted);
}

.glass-card--stacked li span {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  display: grid;
  place-items: center;
  color: var(--color-primary);
  font-weight: 600;
}

.split__content h2 {
  margin: 0 0 1.25rem;
}

.split__content p {
  color: var(--color-muted);
  line-height: 1.7;
  text-shadow: 0 12px 28px rgba(0, 0, 0, 0.42);
}

.bullet-list {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.9rem;
  color: var(--color-muted);
}

.bullet-list li {
  position: relative;
  padding-left: 1.4rem;
  text-shadow: 0 12px 26px rgba(0, 0, 0, 0.42);
}

.bullet-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(245, 245, 245, 0.95), rgba(170, 170, 170, 0.9));
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.32);
}

.model-table {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.5rem;
}

.model-table article {
  background: linear-gradient(165deg, rgba(46, 46, 46, 0.74), rgba(14, 14, 14, 0.7));
  border-radius: var(--radius-md);
  padding: 2.25rem 2rem;
  border: 1px solid var(--glass-outline-soft);
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: 1rem;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.model-table article:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 255, 255, 0.18);
}

.model-table article::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-md) - 8px);
  background: var(--gradient-glass);
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}

.model-table article:hover::before {
  opacity: 0.7;
}

.model-table article > * {
  position: relative;
  z-index: 1;
}

.model-table h3 {
  margin: 0;
  font-size: 1.4rem;
  color: var(--color-text);
  text-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
}

.model-table p {
  margin: 0;
  color: var(--color-muted);
  text-shadow: 0 12px 26px rgba(0, 0, 0, 0.4);
}

.tag {
  display: inline-block;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-primary);
  font-size: 0.83rem;
  letter-spacing: 0.03em;
}

.faq-list {
  display: grid;
  gap: 1.15rem;
  margin: 2.5rem 0 0;
}

.faq-list details {
  background: linear-gradient(165deg, rgba(44, 44, 44, 0.74), rgba(18, 18, 18, 0.7));
  border: 1px solid var(--glass-outline-soft);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.75rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-list details::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-md) - 8px);
  background: var(--gradient-glass);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.faq-list details[open] {
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: var(--shadow-md);
}

.faq-list details[open]::before {
  opacity: 0.7;
}

.faq-list summary {
  margin: 0;
  list-style: none;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  position: relative;
  z-index: 1;
  text-shadow: 0 16px 32px rgba(0, 0, 0, 0.5);
}

.faq-list summary:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.35);
  outline-offset: 4px;
}

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

.faq-list summary::after {
  content: '+';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  font-size: 1.1rem;
  background: rgba(255, 255, 255, 0.14);
  color: var(--color-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: transform 0.3s ease, background 0.3s ease;
  will-change: transform;
}

.faq-list details[open] summary::after {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(45deg);
}

.faq-list details p {
  margin: 1rem 0 0;
  color: var(--color-muted);
  position: relative;
  z-index: 1;
  text-shadow: 0 12px 26px rgba(0, 0, 0, 0.42);
}

.section--grid {
  padding: 5.5rem 0 4.5rem;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.use-case-grid article {
  background: linear-gradient(165deg, rgba(42, 42, 42, 0.72), rgba(16, 16, 16, 0.68));
  border-radius: var(--radius-md);
  padding: 2rem;
  border: 1px solid var(--glass-outline-soft);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.use-case-grid article:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: var(--shadow-md);
}

.use-case-grid article::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-md) - 8px);
  background: var(--gradient-glass);
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}

.use-case-grid article:hover::before {
  opacity: 0.7;
}

.use-case-grid article > * {
  position: relative;
  z-index: 1;
}

.use-case-grid article p {
  color: var(--color-muted);
  text-shadow: 0 12px 26px rgba(0, 0, 0, 0.4);
}

.use-case-grid article h3 {
  color: var(--color-text);
  text-shadow: 0 16px 32px rgba(0, 0, 0, 0.48);
}

.section--testimonials {
  padding: 5.5rem 0;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
}

.testimonial {
  background: linear-gradient(165deg, rgba(42, 42, 42, 0.72), rgba(16, 16, 16, 0.68));
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-outline-soft);
  box-shadow: var(--shadow-sm);
  padding: 2.2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: 100%;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.testimonial:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 255, 255, 0.18);
}

.testimonial::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-md) - 8px);
  background: var(--gradient-glass);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.testimonial:hover::before {
  opacity: 0.68;
}

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

.testimonial__rating {
  color: var(--color-secondary);
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  text-shadow: 0 0 18px rgba(255, 255, 255, 0.38);
}

.testimonial__quote {
  margin: 0;
  color: var(--color-text);
  line-height: 1.6;
  text-shadow: 0 18px 40px rgba(0, 0, 0, 0.48);
}

.testimonial__author {
  margin: auto 0 0;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  text-shadow: 0 16px 32px rgba(0, 0, 0, 0.46);
}

.testimonial__author span {
  display: block;
  font-weight: 400;
  color: var(--color-muted);
  font-size: 0.92rem;
  text-shadow: 0 12px 26px rgba(0, 0, 0, 0.38);
}

.section--accent {
  padding: 5rem 0;
}

.accent-card {
  background: linear-gradient(150deg, rgba(44, 44, 44, 0.76), rgba(18, 18, 18, 0.72));
  border-radius: var(--radius-lg);
  padding: 3.5rem 4rem;
  border: 1px solid var(--glass-outline);
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2.5rem;
  align-items: center;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.accent-card::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-lg) - 10px);
  background: var(--gradient-glass);
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}

.accent-card > * {
  position: relative;
  z-index: 1;
}

.accent-card:hover::before {
  opacity: 0.7;
}

.accent-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 46px 130px rgba(0, 0, 0, 0.58);
}

.section--cta {
  padding: 6rem 0 7rem;
}

.cta {
  background: linear-gradient(150deg, rgba(44, 44, 44, 0.76), rgba(18, 18, 18, 0.72));
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-outline);
  box-shadow: var(--shadow-md);
  padding: 3.5rem 4rem;
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: start;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-lg) - 10px);
  background: var(--gradient-glass);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

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

.cta:hover::before {
  opacity: 0.68;
}

.cta:hover {
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 46px 130px rgba(0, 0, 0, 0.58);
}

.cta__copy h2 {
  margin: 0 0 1.2rem;
}

.cta__copy p {
  color: var(--color-muted);
  margin: 0 0 1.8rem;
  text-shadow: 0 12px 28px rgba(0, 0, 0, 0.42);
}

.cta__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.cta__meta h3 {
  margin: 0 0 1rem;
  color: var(--color-text);
  text-shadow: 0 16px 36px rgba(0, 0, 0, 0.48);
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(12, 12, 12, 0.58);
  padding: 3rem 0 2.5rem;
  box-shadow: 0 -1px 0 rgba(255, 255, 255, 0.03) inset, 0 -24px 60px rgba(0, 0, 0, 0.4);
}

.footer-content {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  align-items: start;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem;
}

.footer-links a {
  color: rgba(220, 220, 220, 0.75);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.25s ease, text-shadow 0.3s ease;
}

.footer-links a:hover {
  color: var(--color-primary);
  text-shadow: 0 0 14px rgba(255, 255, 255, 0.32);
}

.footer-note {
  grid-column: 1 / -1;
  color: rgba(210, 210, 210, 0.55);
  font-size: 0.85rem;
  margin: 1rem 0 0;
}

[data-animate] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:nth-child(2) {
  transition-delay: 0.08s;
}

.feature-card:nth-child(3) {
  transition-delay: 0.12s;
}

.feature-card:nth-child(4) {
  transition-delay: 0.16s;
}

.feature-card:nth-child(5) {
  transition-delay: 0.2s;
}

.feature-card:nth-child(6) {
  transition-delay: 0.24s;
}

@media (max-width: 860px) {
  .site-header {
    position: fixed;
    top: clamp(1rem, 6vw, 1.6rem);
    right: clamp(1rem, 6vw, 1.6rem);
    z-index: 100;
    display: block;
    background: none;
    border: 0;
    padding: 0;
  }

  .site-header .container {
    width: auto;
    margin: 0;
    padding: 0;
  }

  .nav {
    padding: 0;
    justify-content: flex-end;
  }

  .nav__brand {
    display: none;
  }

  .nav__toggle {
    display: flex;
    padding: 0.6rem;
    border-radius: 999px;
    background: rgba(7, 7, 7, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
  }

  .nav__toggle:hover,
  .nav__toggle:focus-visible {
    background: rgba(7, 7, 7, 0.7);
  }

  .nav__links {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    background: linear-gradient(165deg, rgba(42, 42, 42, 0.9), rgba(14, 14, 14, 0.85));
    border: 1px solid var(--glass-outline);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 1.25rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    min-width: 220px;
    width: min(260px, calc(100vw - 2.5rem));
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  .nav.nav--open .nav__links {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    box-shadow: var(--shadow-sm), 0 28px 70px rgba(0, 0, 0, 0.45);
  }

  .hero__copy {
    text-align: left;
  }

  .hero {
    min-height: auto;
    padding: 5.5rem 0 4.5rem;
  }

  .hero__layout {
    padding: 3rem 2.2rem 3.2rem;
    min-height: auto;
  }

  .hero__wave {
    top: clamp(1.8rem, 7vw, 3rem);
    width: min(1600px, 98vw);
    height: clamp(96px, 20vh, 140px);
    filter: drop-shadow(0 18px 36px rgba(0, 0, 0, 0.48));
    opacity: 0.82;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 0;
    min-height: 100dvh;
    width: 100vw;
  }

  .hero__layout {
    width: 100vw;
    min-height: 100dvh;
    padding: clamp(3.2rem, 14vw, 5.5rem) clamp(1.8rem, 7vw, 2.8rem);
    border-radius: 0;
    align-content: center;
    justify-items: start;
  }

  .hero__copy {
    text-align: left;
    align-items: start;
    justify-items: start;
    max-width: none;
  }

  .hero__copy h1 {
    font-size: clamp(2.6rem, 8.4vw, 3.4rem);
  }

  .hero__wave {
    top: clamp(1.6rem, 12vw, 2.3rem);
    width: 100vw;
    height: clamp(84px, 22vh, 120px);
    opacity: 0.8;
    filter: drop-shadow(0 12px 28px rgba(0, 0, 0, 0.45));
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .hero__highlights {
    margin-top: 1.5rem;
    border-radius: var(--radius-md);
  }

  .hero__highlights > div {
    padding: 1.6rem 1.5rem;
  }

  .hero__highlights > div::after {
    top: auto;
    bottom: 0;
    left: 14%;
    right: 14%;
    width: auto;
    height: 1px;
  }

  .hero__highlights > div:last-child::after {
    display: none;
  }

  .glass-card--stacked {
    padding: 2rem;
  }

  .accent-card,
  .cta {
    padding: 2.8rem 2.4rem;
  }

  .cta__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 4.5rem 0;
  }

  .section__header {
    margin-bottom: 2.8rem;
  }

  .feature-card,
  .model-table article,
  .use-case-grid article {
    padding: 1.8rem;
  }
}