/**
 * ProDigit Homepage V2. Preview styles.
 */
@import url("tokens.css");

/* --- Reset & base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body.home-v2 {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--color-accent-dim), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, var(--color-frequency-dim), transparent),
    radial-gradient(ellipse 50% 30% at 0% 80%, var(--color-accent-dim), transparent);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.home-v2.nav-open {
  overflow: hidden;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
  color: #67e8f9;
}

/* --- Utilities --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--space-8);
  }
}

.section {
  padding-block: var(--space-12);
  scroll-margin-top: var(--header-height);
}

@media (min-width: 1024px) {
  .section {
    padding-block: var(--space-20);
  }
}

.section--tight {
  padding-top: var(--space-8);
}

@media (min-width: 1024px) {
  .section--tight {
    padding-top: var(--space-10);
  }
}

.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--space-3);
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  margin: 0 0 var(--space-4);
  color: var(--color-text-on-glass);
}

.section-lead {
  font-size: var(--text-base);
  color: var(--color-text-muted-strong);
  margin: 0 0 var(--space-8);
  max-width: 38rem;
  line-height: 1.6;
}

.glass {
  background: var(--color-glass-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(var(--blur-glass));
  -webkit-backdrop-filter: blur(var(--blur-glass));
  box-shadow:
    var(--shadow-sm),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass {
    background: var(--color-surface);
  }
}

.text-surface {
  background: var(--color-surface-overlay);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-card);
}

@media (min-width: 1024px) {
  .text-surface {
    padding: var(--space-6) var(--space-8);
  }
}

.hero__content.text-surface {
  border-radius: var(--radius-xl);
  background: rgba(9, 9, 11, 0.82);
}

[data-theme="light"] .hero__content.text-surface {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-card);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.btn--primary {
  background: var(--color-accent);
  color: #0a0a0b;
  border-color: var(--color-accent);
  font-weight: 600;
}

.btn--primary:hover {
  background: #67e8f9;
  border-color: #67e8f9;
  color: #0a0a0b;
  box-shadow: 0 0 32px var(--color-accent-glow);
}

@media (prefers-reduced-motion: no-preference) {
  .btn--primary:hover {
    transform: translateY(-1px);
  }
}

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

.btn--ghost:hover {
  background: var(--color-glass-strong);
  border-color: var(--color-border-hover);
  color: var(--color-text);
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(9, 9, 11, 0.88);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(var(--blur-glass));
  -webkit-backdrop-filter: blur(var(--blur-glass));
  transition: background var(--duration-normal) var(--ease-out);
}

.site-header.is-scrolled {
  background: rgba(9, 9, 11, 0.95);
}

[data-theme="light"] .site-header {
  background: rgba(255, 255, 255, 0.88);
  border-bottom-color: var(--color-border);
}

[data-theme="light"] .site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-4);
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-text-on-glass);
}

.logo__mark {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: 1;
}

.logo img {
  display: none;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  z-index: 102;
}

.nav-toggle__bar {
  display: block;
  width: 16px;
  height: 1.5px;
  margin-inline: auto;
  background: #f4f4f5;
  border-radius: 1px;
  transition: transform var(--duration-normal) var(--ease-out), opacity var(--duration-fast);
}

.nav-toggle:hover {
  border-color: var(--color-border-hover);
  background: rgba(255, 255, 255, 0.04);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-out), visibility var(--duration-normal);
}

.nav-backdrop.is-visible {
  opacity: 1;
  visibility: visible;
}

.nav-backdrop[hidden] {
  display: none !important;
}

.site-nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (max-width: 767px) {
  .site-nav {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(18rem, 88vw);
    flex-direction: column;
    align-items: stretch;
    padding: calc(var(--header-height) + var(--space-6)) var(--space-5) var(--space-6);
    gap: var(--space-1);
    background: rgba(12, 12, 14, 0.92);
    border-right: 1px solid var(--color-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 8px 0 40px rgba(0, 0, 0, 0.45);
    transform: translateX(-100%);
    visibility: hidden;
    z-index: 101;
    transition: transform var(--duration-normal) var(--ease-out), visibility var(--duration-normal);
  }

  .site-nav.is-open {
    transform: translateX(0);
    visibility: visible;
  }

  .site-nav a {
    display: block;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    font-weight: 500;
    color: #f4f4f5;
    border-radius: var(--radius-md);
  }

  .site-nav a:hover,
  .site-nav a:focus-visible {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
  }

  .site-nav .nav-cta {
    margin-top: auto;
    padding-top: var(--space-4);
  }

  .site-nav .nav-cta .btn {
    width: 100%;
  }
}

@media (min-width: 768px) {
  .nav-toggle,
  .nav-backdrop {
    display: none;
  }

  .site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
  }

  .site-nav a {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    font-weight: 500;
    color: #e4e4e7;
    border-radius: var(--radius-full);
  }

  .site-nav a:hover,
  .site-nav a:focus-visible {
    color: #fafafa;
    background: rgba(255, 255, 255, 0.08);
  }

  .site-nav a.is-active {
    color: #fafafa;
    background: rgba(34, 211, 238, 0.12);
  }

  .site-nav .nav-cta {
    margin-left: var(--space-3);
  }

  .site-nav .nav-cta .btn--primary {
    padding: var(--space-2) var(--space-5);
  }
}

/* --- Theme toggle --- */
.nav-theme {
  display: flex;
  align-items: center;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  color: var(--color-text-muted-strong);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition:
    color var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out),
    background var(--duration-normal) var(--ease-out);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  color: var(--color-accent);
  border-color: var(--color-border-hover);
  background: var(--color-accent-dim);
  outline: none;
}

.theme-toggle__icon {
  width: 1.125rem;
  height: 1.125rem;
}

.theme-toggle__icon--moon {
  display: none;
}

[data-theme="light"] .theme-toggle__icon--sun {
  display: none;
}

[data-theme="light"] .theme-toggle__icon--moon {
  display: block;
}

@media (max-width: 767px) {
  .site-nav .nav-theme {
    margin-top: var(--space-2);
    padding-top: var(--space-2);
    border-top: 1px solid var(--color-border);
  }

  .site-nav .nav-theme .theme-toggle {
    width: 100%;
    height: 2.75rem;
    border-radius: var(--radius-md);
  }
}

@media (min-width: 768px) {
  .site-nav {
    align-items: center;
  }

  .site-nav .nav-theme {
    margin-right: var(--space-1);
  }
}

/* --- Brand intro --- */
.brand-intro {
  text-align: center;
  padding: var(--space-8) var(--space-5) var(--space-4);
}

@media (min-width: 1024px) {
  .brand-intro {
    padding: var(--space-6) var(--space-5) var(--space-2);
  }
}

.brand-intro__name {
  margin: 0 0 var(--space-2);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--color-text);
  text-shadow:
    0 0 24px var(--color-accent-glow),
    0 0 48px rgba(34, 211, 238, 0.12);
  animation: brand-glitch 8s ease-in-out infinite;
}

.brand-intro__tagline {
  margin: 0 auto;
  max-width: 100%;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-align: center;
}

@keyframes brand-glitch {
  0%,
  92%,
  100% {
    text-shadow:
      0 0 24px var(--color-accent-glow),
      0 0 48px rgba(34, 211, 238, 0.12);
    transform: translate(0);
  }
  93% {
    text-shadow:
      -1px 0 rgba(34, 211, 238, 0.35),
      1px 0 rgba(255, 255, 255, 0.15),
      0 0 28px var(--color-accent-glow);
    transform: translate(-0.5px, 0);
  }
  95% {
    text-shadow:
      1px 0 rgba(34, 211, 238, 0.25),
      0 0 32px var(--color-accent-glow);
    transform: translate(0.5px, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .brand-intro__name {
    animation: none;
  }
}

/* --- Hero --- */
.hero {
  position: relative;
  padding-block: var(--space-6) var(--space-10);
  overflow: hidden;
}

@media (min-width: 1024px) {
  .hero {
    padding-block: var(--space-8) var(--space-12);
    min-height: 0;
    display: block;
  }
}

.hero__grid {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 1024px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
    gap: var(--space-10);
    align-items: center;
  }
}

@media (min-width: 1280px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.55fr);
    gap: var(--space-12);
  }
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--space-4);
}

.hero__title {
  font-size: var(--text-hero);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: 1.08;
  margin: 0 0 var(--space-4);
  color: var(--color-text-on-glass);
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
  max-width: 16ch;
}

@media (min-width: 640px) {
  .hero__title {
    max-width: none;
  }
}

@media (min-width: 1024px) {
  .hero__title {
    font-size: clamp(2.5rem, 3.8vw, 3.65rem);
    line-height: 1.06;
    max-width: 22em;
  }
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted-strong);
  margin: 0 0 var(--space-5);
  max-width: 36rem;
  line-height: 1.55;
}

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

.hero__scroll {
  font-size: var(--text-sm);
  color: var(--color-text-muted-strong);
}

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

.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 160px;
}

@media (min-width: 1024px) {
  .hero__visual {
    min-height: 180px;
  }
}

.hero__visual img,
.hero__visual svg {
  width: min(100%, 360px);
  height: auto;
}

.hero-nfc {
  opacity: 0.94;
  max-width: 200px;
  filter: drop-shadow(0 0 20px rgba(34, 211, 238, 0.15));
}

@media (prefers-reduced-motion: no-preference) {
  .hero-nfc--v3 .nfc-ripple {
    transform-origin: center;
    transform-box: fill-box;
    animation: hero-nfc-ripple-v3 5s var(--ease-smooth) infinite;
  }

  .hero-nfc--v3 .nfc-dot {
    animation: hero-nfc-dot-v3 5s var(--ease-smooth) infinite;
  }

  .hero-nfc--v3 .nfc-glow {
    animation: hero-nfc-glow-v3 5s var(--ease-smooth) infinite;
  }

  .hero-nfc--v3 .nfc-arc {
    animation: hero-nfc-arc-v3 5s var(--ease-smooth) infinite;
  }

  @keyframes hero-nfc-ripple-v3 {
    0%,
    78%,
    100% {
      opacity: 0;
      transform: scale(0.8);
    }
    6% {
      opacity: 0.28;
      transform: scale(1);
    }
    22% {
      opacity: 0;
      transform: scale(1.65);
    }
  }

  @keyframes hero-nfc-dot-v3 {
    0%,
    78%,
    100% {
      opacity: 0.88;
      transform: scale(1);
    }
    6% {
      opacity: 1;
      transform: scale(1.05);
    }
    16% {
      opacity: 0.9;
      transform: scale(1);
    }
  }

  @keyframes hero-nfc-glow-v3 {
    0%,
    78%,
    100% {
      opacity: 0.05;
    }
    6% {
      opacity: 0.12;
    }
    20% {
      opacity: 0.06;
    }
  }

  @keyframes hero-nfc-arc-v3 {
    0%,
    78%,
    100% {
      opacity: 0.5;
    }
    6% {
      opacity: 1;
    }
    24% {
      opacity: 0.55;
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-nfc .nfc-ripple,
  .hero-nfc .nfc-arc,
  .hero-nfc .nfc-dot,
  .hero-nfc .nfc-glow {
    animation: none;
  }
}

.hero--loaded .hero__content {
  animation: fade-up var(--duration-slow) var(--ease-out) forwards;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- What is ProDigit --- */
.what-panel {
  padding: var(--space-6);
}

@media (min-width: 768px) {
  .what-panel {
    padding: var(--space-8);
  }
}

.what-panel__lead {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text-on-glass);
  margin: 0 0 var(--space-4);
  max-width: 52rem;
  line-height: 1.55;
}

.what-panel__text {
  font-size: var(--text-base);
  color: var(--color-text-muted-strong);
  margin: 0 0 var(--space-5);
  max-width: 52rem;
  line-height: 1.6;
}

.what-panel__points {
  list-style: none;
  margin: 0 0 var(--space-5);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
}

.what-panel__points li {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
}

.what-panel__close {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-on-glass);
  margin: 0;
}

.value-props {
  display: grid;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 768px) {
  .value-props {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }
}

.value-props__item {
  padding: var(--space-6);
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--color-border);
}

.value-props__icon {
  width: 40px;
  height: 40px;
  margin-bottom: var(--space-4);
  color: var(--color-accent);
}

.value-props__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin: 0 0 var(--space-2);
  color: var(--color-text-on-glass);
}

.value-props__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted-strong);
  margin: 0;
}

/* --- Use cases --- */
.use-case-grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .use-case-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 640px) {
  .use-case-grid--six {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .use-case-grid--six {
    grid-template-columns: repeat(3, 1fr);
  }
}

.use-case-card {
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out),
    background var(--duration-normal) var(--ease-out);
}

.use-case-card:hover,
.use-case-card:focus-within {
  border-color: var(--card-hover-border);
  background: var(--card-hover-bg);
  box-shadow: var(--card-hover-shadow);
}

.use-case-card:hover h3,
.use-case-card:focus-within h3 {
  color: var(--card-hover-heading);
}

.use-case-card:hover p,
.use-case-card:focus-within p {
  color: var(--card-hover-body);
}

.use-case-card:hover .use-case-card__tag,
.use-case-card:focus-within .use-case-card__tag {
  color: var(--color-accent);
}

@media (prefers-reduced-motion: no-preference) {
  .use-case-card:hover,
  .use-case-card:focus-within {
    transform: translateY(-2px);
  }
}

.use-case-card__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--space-4);
  padding-bottom: var(--space-1);
}

.use-case-card h3 {
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-on-glass);
  margin: 0 0 var(--space-3);
  line-height: 1.15;
}

.use-case-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted-strong);
  margin: 0;
  line-height: 1.55;
}

/* --- Products --- */
.product-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-card {
  overflow: hidden;
  padding: 0;
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.product-card:hover {
  border-color: rgba(34, 211, 238, 0.28);
  box-shadow:
    0 8px 28px rgba(0, 0, 0, 0.35),
    0 0 28px rgba(34, 211, 238, 0.08);
}

@media (prefers-reduced-motion: no-preference) {
  .product-card:hover {
    transform: translateY(-2px);
  }
}

.product-card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
}

.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  transition: opacity var(--duration-normal), transform var(--duration-slow);
}

.product-card:hover .product-card__media img {
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .product-card:hover .product-card__media img {
    transform: scale(1.03);
  }
}

.product-card__body {
  padding: var(--space-6);
}

.product-card h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  margin: 0 0 var(--space-2);
}

.product-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0 0 var(--space-4);
}

.product-card__link {
  font-size: var(--text-sm);
  font-weight: 500;
}

/* --- How it works --- */
.steps {
  display: grid;
  gap: var(--space-8);
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    position: relative;
  }

  .steps::before {
    content: "";
    position: absolute;
    top: 2rem;
    left: 16%;
    right: 16%;
    height: 1px;
    background: linear-gradient(
      90deg,
      transparent,
      var(--color-accent) 20%,
      var(--color-frequency) 80%,
      transparent
    );
    opacity: 0.4;
  }
}

.step {
  position: relative;
  text-align: center;
  padding: var(--space-6);
}

.step__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin: 0 auto var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-dim);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
}

.step h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  margin: 0 0 var(--space-3);
}

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

/* --- Founders --- */
.founder-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .founder-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.founder-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.founder-card:hover {
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow:
    var(--shadow-sm),
    0 0 24px rgba(34, 211, 238, 0.06);
}

@media (min-width: 480px) {
  .founder-card {
    flex-direction: row;
    align-items: flex-start;
  }
}

.founder-card__photo {
  position: relative;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 96px;
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 20px var(--color-accent-dim);
  background: #000000;
}

.founder-card__initials {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  user-select: none;
  pointer-events: none;
}

.founder-card__photo img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  padding: 0;
  background: #000000;
}

.founder-card__photo--alex img {
  object-position: center 22%;
}

.founder-card__photo--sky img {
  object-position: center 16%;
}

.founder-card__photo img[hidden] {
  display: none;
}

.founder-card__content {
  min-width: 0;
}

.founder-card__name {
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: 1.15;
  color: var(--color-text-on-glass);
  margin: 0 0 var(--space-2);
}

.founder-card__title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--space-3);
}

.founder-card__bio {
  font-size: var(--text-sm);
  color: var(--color-text-muted-strong);
  margin: 0 0 var(--space-4);
  line-height: 1.5;
}

.founder-card__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: none;
}

.founder-card__link:hover {
  color: var(--color-text-on-glass);
}

/* --- CTA band --- */
.cta-band {
  text-align: center;
  padding: var(--space-10) var(--space-8);
  margin-block: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.cta-band__title {
  font-size: var(--text-3xl);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  margin: 0 0 var(--space-4);
}

.cta-band__text {
  font-size: var(--text-lg);
  color: var(--color-text-muted-strong);
  margin: 0 auto var(--space-8);
  max-width: 36rem;
}

.cta-band__title,
.use-case-card h3,
.product-card h3,
.step h3,
.founder-card__name {
  color: var(--color-text-on-glass);
}

.use-case-card p,
.product-card p,
.step p,
.founder-card__bio {
  color: var(--color-text-muted-strong);
}

.section-link {
  margin-top: var(--space-6);
}

.section-link a {
  color: var(--color-accent);
  font-weight: 500;
}

.section-link a:hover {
  color: #67e8f9;
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

/* --- Footer --- */
.site-footer {
  padding: var(--space-10) var(--space-5);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.site-footer p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted-strong);
}

.site-footer a {
  color: var(--color-text-muted-strong);
}

.site-footer a:hover {
  color: var(--color-text-on-glass);
}

.site-footer--v2 .site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: center;
}

.site-footer--v2 .site-footer__copy {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted-strong);
}

.site-footer--v2 .site-footer__tagline {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  max-width: 22rem;
  line-height: 1.5;
}

/* --- Scroll reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* --- Light theme refinements --- */
[data-theme="light"] body.home-v2 {
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--color-accent-dim), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, var(--color-frequency-dim), transparent);
}

[data-theme="light"] .logo {
  color: var(--color-text);
}

[data-theme="light"] .nav-toggle {
  color: var(--color-text);
}

[data-theme="light"] .nav-toggle:hover {
  background: var(--color-accent-dim);
  border-color: var(--color-border-hover);
}

[data-theme="light"] .nav-toggle__bar {
  background: #374151;
}

[data-theme="light"] .nav-backdrop {
  background: rgba(15, 23, 42, 0.28);
}

[data-theme="light"] .site-nav a {
  color: var(--color-text);
}

@media (max-width: 767px) {
  [data-theme="light"] .site-nav {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 8px 0 32px rgba(15, 23, 42, 0.12);
  }

  [data-theme="light"] .site-nav a {
    color: var(--color-text);
  }

  [data-theme="light"] .site-nav a:hover,
  [data-theme="light"] .site-nav a:focus-visible {
    background: var(--color-accent-dim);
    color: var(--color-text);
  }

  [data-theme="light"] .site-nav .nav-theme {
    border-top-color: var(--color-border);
  }

  [data-theme="light"] .site-nav .nav-theme .theme-toggle {
    color: var(--color-text-muted-strong);
  }

  [data-theme="light"] .site-nav .nav-theme .theme-toggle:hover,
  [data-theme="light"] .site-nav .nav-theme .theme-toggle:focus-visible {
    color: var(--color-accent);
    background: var(--color-accent-dim);
  }
}

[data-theme="light"] .value-props__item,
[data-theme="light"] .founder-card__photo {
  background: rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .founder-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card), 0 0 24px var(--color-accent-dim);
}

[data-theme="light"] .founder-card__photo img {
  background: #ffffff;
}

[data-theme="light"] .founder-card__link:hover {
  color: var(--color-accent);
}

[data-theme="light"] .product-card:hover {
  border-color: var(--card-hover-border);
  box-shadow: var(--card-hover-shadow);
}

[data-theme="light"] .btn--primary {
  color: #0a0a0b;
}

[data-theme="light"] .btn--ghost:hover {
  color: var(--color-text);
  background: var(--color-glass-strong);
}

@media (min-width: 768px) {
  [data-theme="light"] .site-nav a {
    color: var(--color-text);
  }

  [data-theme="light"] .site-nav a:hover,
  [data-theme="light"] .site-nav a:focus-visible,
  [data-theme="light"] .site-nav a.is-active {
    color: var(--color-text);
    background: var(--color-accent-dim);
  }
}