:root {
    --dark-brown: #21191c;
    --gold: #b3a572;
    --text-color: oklch(15.9066% 0 none);

    --background: #ffffff;
    --card: #fafafa;
    --muted-foreground: #6e6e6e;
    --border: #e4e4e4;
    --surface-screen: #f7f5f0;
    --grid-line: rgba(102, 102, 102, 0.035);
    --screen-shadow: 0 16px 48px rgba(0, 0, 0, 0.055);
    --footer-foreground: #fafafa;
    --footer-muted: #b0b0b0;
    --footer-border: #3d3d3d;

    --ok-color: var(--dark-brown);
    --ok-hover-color: var(--gold);

    --font-sans: system-ui, sans-serif;
    --font-display: "Newsreader", serif;
    --font-size-hero: 80px;
    --font-size-hero-sm: 50px;
    --font-size-title: 35px;
    --font-size-title-sm: 28px;
    --font-size-body: 16px;
    --font-size-body-sm: 14px;
}

html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    background: var(--background);
    font-family: var(--font-sans);
    color: var(--text-color);
    -webkit-font-smoothing: antialiased;
}
::selection {
    background: var(--gold);
    color: var(--background);
}

.landing {
    overflow: hidden;
}
.page-width {
    width: min(1120px, calc(100% - 96px));
    margin-inline: auto;
}

.text-muted {
    color: var(--muted-foreground);
}
.text-emphasis {
    color: var(--gold);
}

/* ---------- header ---------- */
.nav-pad {
    padding-left: 5rem;
    padding-right: 5rem;
}
.navbar-brand img {
    width: 3.5rem;
    height: 3.5rem;
    margin: -0.75rem 0.4rem 0 0;
}
.navbar-brand span {
    font-family: var(--font-display);
    font-style: normal;
    font-weight: 600;
    font-size: 2.25rem;
}
.nav-link {
    color: var(--ok-color) !important;
    font-weight: 500;
    font-size: 1.3rem !important;
}
.nav-link:active,
.nav-link:hover {
    color: var(--ok-hover-color) !important;
}
.container-fluid {
    --bs-gutter-x: 0 !important;
}

/* ---------- hero ---------- */
.hero {
    position: relative;
    padding: 68px 0 0;
    text-align: center;
}
.hero h1 {
    margin: 29px 0 24px;
    font-size: var(--font-size-hero);
    font-weight: 300;
    line-height: 1.06;
}
.hero h1 span {
    color: var(--gold);
    font-family: var(--font-display);
    font-weight: 400;
}
.hero-showcase {
    position: relative;
    margin-top: 52px;
}
.hero-showcase .screenshot-frame {
    box-shadow: var(--screen-shadow);
}

/* ---------- screenshot ---------- */
.screenshot-frame {
    position: relative;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface-screen);
    overflow: hidden;
}
.screen-topbar {
    display: flex;
    height: 42px;
    align-items: center;
    justify-content: space-between;
    padding: 0 18px;
    border-bottom: 1px solid var(--border);
    background: var(--card);
}
.window-dots {
    display: flex;
    gap: 5px;
}
.window-dots i {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--border);
}
.screen-space {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-image: linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 32px 32px;
}
.screen-space img {
    display: block;
    width: 100%;
    object-fit: cover;
    object-position: top;
}

/* ---------- intro ---------- */
.intro-band {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-top: 90px;
    padding: 48px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.intro-band h2 {
    margin: 0;
    max-width: 400px;
    font-size: var(--font-size-title);
    line-height: 1.3;
    font-family: var(--font-display);
    font-weight: 400;
}
.intro-band p {
    margin: 0;
    max-width: 400px;
    font-size: var(--font-size-body);
    line-height: 1.5;
    color: var(--muted-foreground);
}

/* ---------- features ---------- */
.features {
    padding: 90px 0 95px;
}
.feature {
    margin-bottom: 30px;
}
.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}
.feature-copy {
    display: flex;
    gap: 20px;
    padding-top: 25px;
}
.feature-copy h3 {
    margin: 0 0 10px;
    font-family: var(--font-display);
    font-size: var(--font-size-title);
    font-weight: 400;
}
.feature-copy p {
    margin: 0;
    color: var(--muted-foreground);
    font-size: var(--font-size-body);
    line-height: 1.5;
}
.feature .screenshot-frame {
    aspect-ratio: 1.4;
}

/* ---------- footer ---------- */
.footer {
    border-radius: 28px 28px 0 0;
    background: var(--dark-brown);
    color: var(--footer-foreground);
    padding-top: 42px;
}
.footer-display {
    margin: 26px 0 30px;
    font-family: var(--font-display);
    font-size: 18cqw;
    font-weight: 400;
    line-height: 1.1;
    text-align: center;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    will-change: opacity, transform;
}
.footer-bottom {
    border-top: 1px solid var(--footer-border);
    padding: 22px 0 25px;
    font-size: var(--font-size-body);
    color: var(--footer-muted);
    text-align: center;
}

/* ---------- Entrance animation ---------- */
.hero h1 {
    animation: enter 700ms ease-out both;
    animation-delay: 70ms;
}
@keyframes enter {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 992px) {
    .navbar-brand img {
        width: 2.5rem;
        height: 2.5rem;
        margin: -0.2rem 0.4rem 0 0;
    }
    .navbar-brand span {
        font-size: 1.5rem;
    }
    .navbar-nav {
        margin-left: 1rem;
    }
}
@media (max-width: 900px) {
  .page-width {
      width: calc(100% - 64px);
  }
  .intro-band {
      gap: 40px;
  }
}
@media (max-width: 600px) {
  .page-width {
      width: calc(100% - 40px);
  }
  .hero {
      padding-top: 48px;
  }
  .hero h1 {
      font-size: var(--font-size-hero-sm);
      margin: 26px 0 22px;
  }
  .hero-showcase {
      margin-top: 48px;
  }
  .feature {
      width: 85%;
      margin: 0 auto;
  }
  .screen-topbar {
      height: 22px;
      padding-inline: 10px;
  }
  .intro-band {
      grid-template-columns: 1fr;
      gap: 20px;
      margin-top: 58px;
      padding: 35px 0;
  }
  .intro-band h2 {
      font-size: var(--font-size-title-sm);
  }
  .intro-band p {
      font-size: var(--font-size-body-sm);
  }
  .features {
      padding: 55px 0 60px;
  }
  .feature-grid {
      grid-template-columns: 1fr;
      gap: 38px;
  }
  .feature-copy {
      padding-top: 20px;
  }
  .feature-copy h3 {
      font-size: var(--font-size-title-sm);
  }
  .feature-copy p {
      font-size: var(--font-size-body-sm);
  }
  .footer {
      padding-top: 28px;
  }
  .footer-display {
      margin: 28px 0;
  }
  .footer-bottom {
      font-size: var(--font-size-body-sm);
  }
}
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
    }
}