/* LateNighTech — brand tokens */
:root {
  --color-bg: #000000;
  --color-bg-elevated: #0d0d0d;
  --color-bg-card: #111111;
  --color-border: #1f1f1f;
  --color-border-hover: #2a2a2a;
  --color-text: #f0f0f0;
  --color-text-muted: #9ca3af;
  --color-accent: #bfff00;
  --color-accent-dim: #9acc00;
  --color-accent-glow: rgba(191, 255, 0, 0.25);
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-glow: 0 0 60px var(--color-accent-glow);
  --header-height: 72px;
  --container: min(1120px, 100% - 2rem);
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: #d4ff4d;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.text-accent {
  color: var(--color-accent);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 200;
  padding: 0.75rem 1rem;
  background: var(--color-accent);
  color: #000;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

/* Header / nav */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 1.5rem;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
}

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

.nav__icon {
  display: block;
  height: 48px;
  width: auto;
  aspect-ratio: 1281 / 906;
  object-fit: contain;
  flex-shrink: 0;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__menu a {
  display: block;
  padding: 0.5rem 0.85rem;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav__menu a:hover,
.nav__menu a:focus-visible {
  color: var(--color-text);
  background: var(--color-bg-card);
}

.nav__cta {
  color: #000 !important;
  background: var(--color-accent) !important;
  font-weight: 600 !important;
}

.nav__cta:hover,
.nav__cta:focus-visible {
  background: #d4ff4d !important;
  color: #000 !important;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
}

.nav__toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  margin-inline: auto;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) 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(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    gap: 0.25rem;
    background: rgba(0, 0, 0, 0.97);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

  .nav__menu.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__menu a {
    padding: 0.85rem 1rem;
  }
}

/* Hero */
.hero {
  position: relative;
  padding: calc(var(--header-height) + 4rem) 0 5rem;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: min(600px, 80vw);
  height: min(600px, 80vw);
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero__pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero__title {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero__lead {
  margin: 0 0 2rem;
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 32rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

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

.hero__banner {
  width: 100%;
  max-width: 640px;
  aspect-ratio: 16 / 9;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: 0 0 40px var(--color-accent-glow);
}

@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__eyebrow,
  .hero__actions {
    justify-content: center;
  }

  .hero__lead {
    margin-inline: auto;
  }

  .hero__visual {
    order: -1;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform 0.15s ease;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.btn--primary {
  background: var(--color-accent);
  color: #000;
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background: #d4ff4d;
  border-color: #d4ff4d;
  color: #000;
}

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

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

.btn--full {
  width: 100%;
}

/* Stats */
.stats {
  padding: 2rem 0 4rem;
  border-bottom: 1px solid var(--color-border);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.stat {
  padding: 1.5rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.stat__value {
  margin: 0 0 0.35rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
}

.stat__label {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

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

/* Sections */
.section {
  padding: 5rem 0;
}

.section--alt {
  background: var(--color-bg-elevated);
}

.section--cta {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-elevated) 100%);
}

.section__header {
  max-width: 36rem;
  margin: 0 auto 3rem;
  text-align: center;
}

.section__header--left {
  margin: 0 0 1.5rem;
  text-align: left;
}

.section__header--center {
  margin-bottom: 2.5rem;
}

.section__eyebrow {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.section__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section__lead {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1.0625rem;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.card {
  padding: 1.75rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: rgba(191, 255, 0, 0.35);
  box-shadow: 0 0 30px rgba(191, 255, 0, 0.08);
}

.card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  color: var(--color-accent);
}

.card__icon svg {
  width: 100%;
  height: 100%;
}

.card__title {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
}

.card__text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

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

/* About */
.about {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3rem;
  align-items: start;
}

.about__icon {
  width: min(200px, 40vw);
  opacity: 0.95;
}

.about__content p {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
}

.about__list {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.about__list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.about__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

@media (max-width: 768px) {
  .about {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .section__header--left {
    text-align: center;
  }

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

  .about__list li {
    text-align: left;
  }
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step {
  padding: 1.5rem;
  border-left: 2px solid var(--color-border);
  transition: border-color var(--transition);
}

.step:hover {
  border-left-color: var(--color-accent);
}

.step__num {
  display: block;
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
}

.step__title {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
}

.step__text {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

@media (max-width: 900px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

/* Contact form */
.contact__form {
  max-width: 28rem;
  margin: 0 auto;
}

.form__row {
  margin-bottom: 1.25rem;
}

.form__row label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.form__row input,
.form__row textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form__row input::placeholder,
.form__row textarea::placeholder {
  color: #6b7280;
}

.form__row input:focus,
.form__row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form__hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__status {
  margin-bottom: 1.25rem;
  padding: 0.85rem 1rem;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
}

.form__status--success {
  color: var(--color-accent);
  background: rgba(191, 255, 0, 0.08);
  border-color: rgba(191, 255, 0, 0.35);
}

.form__status--error {
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.35);
}

.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.form__note {
  margin: 1rem 0 0;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-align: center;
}

.form__note a {
  font-weight: 500;
}

/* Footer */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
}

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

.footer__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
}

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

.footer__copy {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer__links {
  display: flex;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-decoration: none;
}

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

@media (max-width: 640px) {
  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
}