:root {
  --color-black: #070707;
  --color-black-soft: #111111;
  --color-white: #ffffff;
  --color-muted: #b9b9b9;
  --color-orange: #ff7a1a;
  --color-orange-light: #ffb067;
  --color-orange-dark: #d95c00;
  --color-border: rgba(255, 255, 255, 0.14);
  --color-surface: rgba(255, 255, 255, 0.06);
  --shadow-soft: 0 24px 70px rgba(0, 0, 0, 0.38);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1180px;
  --section-space: clamp(3.5rem, 8vw, 7rem);
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 9rem;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--color-white);
  background:
    radial-gradient(circle at 10% 0%, rgba(255, 122, 26, 0.23), transparent 30rem),
    radial-gradient(circle at 85% 12%, rgba(255, 122, 26, 0.13), transparent 24rem),
    linear-gradient(135deg, #050505 0%, #101010 52%, #050505 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 72%);
}

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

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

button,
input {
  font: inherit;
}

.container {
  width: min(100% - clamp(1rem, 5vw, 3rem), var(--container));
  margin-inline: auto;
}

.section {
  padding-block: var(--section-space);
  scroll-margin-top: 9rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 0.9rem 0 1rem;
  border-bottom: 1px solid var(--color-border);
  background: rgba(7, 7, 7, 0.78);
  backdrop-filter: blur(18px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header__actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.7rem, 3vw, 1.5rem);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo__mark {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: var(--color-black);
  background: linear-gradient(135deg, var(--color-orange), var(--color-orange-light));
  box-shadow: 0 0 32px rgba(255, 122, 26, 0.35);
}

.logo__text {
  overflow: hidden;
  max-width: 12rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header__nav {
  display: none;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
  color: var(--color-muted);
  font-size: 0.95rem;
  font-weight: 600;
}

.header__nav a {
  transition: color var(--transition);
}

.header__nav a:hover {
  color: var(--color-orange-light);
}

.language-switcher {
  display: inline-flex;
  flex: 0 0 auto;
  gap: 0.2rem;
  padding: 0.2rem;
  border: 1px solid rgba(255, 122, 26, 0.38);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}

.language-switcher__button {
  min-width: 2.45rem;
  min-height: 2rem;
  padding: 0.35rem 0.55rem;
  border: 0;
  border-radius: 999px;
  color: var(--color-muted);
  background: transparent;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  transition:
    color var(--transition),
    background var(--transition),
    transform var(--transition);
}

.language-switcher__button:hover {
  color: var(--color-white);
}

.language-switcher__button.is-active {
  color: var(--color-black);
  background: linear-gradient(135deg, var(--color-orange), var(--color-orange-light));
}

.development-notice {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.9rem;
  padding: 0.85rem;
  border: 1px solid rgba(255, 122, 26, 0.48);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(255, 122, 26, 0.22), rgba(255, 255, 255, 0.06)),
    rgba(255, 122, 26, 0.08);
  box-shadow: 0 16px 45px rgba(255, 122, 26, 0.11);
}

.development-notice__badge,
.eyebrow {
  width: fit-content;
  border: 1px solid rgba(255, 122, 26, 0.42);
  border-radius: 999px;
  color: var(--color-orange-light);
  background: rgba(255, 122, 26, 0.12);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.development-notice__badge {
  padding: 0.35rem 0.7rem;
}

.development-notice p {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(0.9rem, 2.8vw, 1rem);
}

.hero {
  padding-top: clamp(3rem, 7vw, 6rem);
}

.hero__grid,
.subscribe__grid,
.developer__grid {
  display: grid;
  gap: clamp(1.5rem, 5vw, 3rem);
}

.hero__content {
  max-width: 44rem;
}

.eyebrow {
  display: inline-flex;
  padding: 0.4rem 0.75rem;
  margin-bottom: 1rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.05;
  letter-spacing: -0.045em;
}

h1 {
  max-width: 11ch;
  margin-bottom: 1.2rem;
  font-size: clamp(2.4rem, 13vw, 6.4rem);
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 7vw, 4rem);
}

h3 {
  margin-bottom: 0.75rem;
  font-size: clamp(1.25rem, 4vw, 1.6rem);
}

.hero__lead,
.section-heading p,
.subscribe__content p,
.developer__intro p {
  color: var(--color-muted);
  font-size: clamp(1rem, 3vw, 1.18rem);
}

.hero__lead {
  max-width: 40rem;
  margin-bottom: 1.7rem;
}

.hero__actions,
.subscribe-form__row {
  display: grid;
  gap: 0.8rem;
}

.button {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 800;
  text-align: center;
  transition:
    transform var(--transition),
    border-color var(--transition),
    background var(--transition),
    color var(--transition),
    box-shadow var(--transition);
}

.button--primary {
  color: var(--color-black);
  background: linear-gradient(135deg, var(--color-orange), var(--color-orange-light));
  box-shadow: 0 16px 34px rgba(255, 122, 26, 0.22);
}

.button--ghost {
  border-color: var(--color-border);
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.06);
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary:hover {
  box-shadow: 0 20px 42px rgba(255, 122, 26, 0.32);
}

.button--ghost:hover {
  border-color: rgba(255, 122, 26, 0.55);
  color: var(--color-orange-light);
}

.hero-card,
.feature-card,
.subscribe,
.developer-card {
  border: 1px solid var(--color-border);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.035));
  box-shadow: var(--shadow-soft);
}

.hero-card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 5vw, 2rem);
  border-radius: var(--radius-lg);
}

.hero-card::before {
  position: absolute;
  inset: -35% -20% auto auto;
  width: 14rem;
  height: 14rem;
  border-radius: 50%;
  content: "";
  background: rgba(255, 122, 26, 0.22);
  filter: blur(18px);
}

.hero-card__top {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 2rem;
  color: var(--color-muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.status-dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--color-orange);
  box-shadow: 0 0 0 0 rgba(255, 122, 26, 0.5);
  animation: pulse 1.8s infinite;
}

.hero-card strong {
  position: relative;
  display: block;
  margin-bottom: 0.75rem;
  font-size: clamp(1.8rem, 8vw, 3.2rem);
  letter-spacing: -0.05em;
  line-height: 1;
}

.hero-card p,
.feature-card p,
.developer-list dd,
.form-message {
  color: var(--color-muted);
}

.progress-list {
  display: grid;
  gap: 0.8rem;
  padding: 0;
  margin: 1.6rem 0 0;
  list-style: none;
}

.progress-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.22);
}

.progress-list span {
  color: rgba(255, 255, 255, 0.82);
}

.progress-list b {
  color: var(--color-orange-light);
}

.section-heading {
  max-width: 48rem;
  margin-bottom: clamp(1.5rem, 5vw, 2.5rem);
}

.features__grid {
  display: grid;
  gap: 1rem;
}

.feature-card {
  padding: clamp(1.15rem, 4vw, 1.6rem);
  border-radius: var(--radius-md);
  transition:
    transform var(--transition),
    border-color var(--transition),
    background var(--transition);
}

.feature-card:hover {
  border-color: rgba(255, 122, 26, 0.5);
  background: linear-gradient(145deg, rgba(255, 122, 26, 0.14), rgba(255, 255, 255, 0.04));
  transform: translateY(-4px);
}

.feature-card__icon {
  display: grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  margin-bottom: 1.25rem;
  border-radius: var(--radius-sm);
  color: var(--color-black);
  background: var(--color-orange);
  font-weight: 900;
}

.subscribe {
  margin-block: clamp(1rem, 4vw, 2rem);
  padding-block: clamp(2.5rem, 7vw, 4.5rem);
}

.subscribe__grid {
  align-items: center;
}

.subscribe-form {
  display: grid;
  gap: 0.75rem;
  padding: clamp(1rem, 5vw, 1.5rem);
  border: 1px solid rgba(255, 122, 26, 0.28);
  border-radius: var(--radius-lg);
  background: rgba(0, 0, 0, 0.26);
}

.subscribe-form__label {
  color: rgba(255, 255, 255, 0.86);
  font-weight: 800;
}

.subscribe-form input {
  width: 100%;
  min-height: 3.25rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-white);
  outline: none;
  background: rgba(255, 255, 255, 0.07);
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    background var(--transition);
}

.subscribe-form input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.subscribe-form input:focus {
  border-color: var(--color-orange);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 4px rgba(255, 122, 26, 0.14);
}

.form-message {
  min-height: 1.5rem;
  margin: 0;
  font-size: 0.95rem;
}

.form-message.is-success {
  color: #8ff0a4;
}

.form-message.is-error {
  color: #ff9b9b;
}

.developer__grid {
  align-items: start;
}

.developer-card {
  padding: clamp(1rem, 5vw, 1.6rem);
  border-radius: var(--radius-lg);
}

.developer-list {
  display: grid;
  gap: 1rem;
  margin: 0;
}

.developer-list div {
  display: grid;
  gap: 0.35rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.developer-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.developer-list dt {
  color: var(--color-orange-light);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.developer-list dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.developer-list a {
  color: var(--color-white);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: rgba(255, 122, 26, 0.55);
  text-underline-offset: 0.25em;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(255, 122, 26, 0.75);
  outline-offset: 4px;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 122, 26, 0.52);
  }

  70% {
    box-shadow: 0 0 0 10px rgba(255, 122, 26, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(255, 122, 26, 0);
  }
}

@media (min-width: 390px) {
  .hero__actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 600px) {
  .development-notice {
    grid-template-columns: auto 1fr;
    align-items: center;
  }

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

}

@media (min-width: 768px) {
  .header__nav {
    display: flex;
  }

  .logo__text {
    max-width: none;
  }

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

  .hero-card {
    max-width: 35rem;
  }
}

@media (min-width: 1024px) {
  .hero__grid,
  .subscribe__grid,
  .developer__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.95fr);
  }

  .hero__grid {
    align-items: center;
  }

  .hero-card {
    justify-self: end;
  }

  .features__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1280px) {
  .site-header {
    padding-top: 1rem;
  }

  .feature-card {
    min-height: 18rem;
  }
}

@media (min-width: 1440px) {
  :root {
    --container: 1240px;
  }
}

@media (max-width: 430px) {
  .header__inner {
    gap: 0.6rem;
  }

  .logo__text {
    max-width: 8rem;
  }

  .language-switcher__button {
    min-width: 2.2rem;
    padding-inline: 0.45rem;
  }
}

@media (max-width: 359px) {
  .container {
    width: min(100% - 1rem, var(--container));
  }

  .logo__text {
    max-width: 7rem;
  }

  .button,
  .subscribe-form input {
    min-height: 3rem;
  }
}

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