/* ── Custom Properties ────────────────────────────────────── */
:root {
  --bg:         #0a0a0a;
  --bg-raised:  #111;
  --bg-card:    #1a1a1a;
  --border:     #1e1e1e;
  --text:       #e8e4de;
  --text-muted: #7a7672;
  --white:      #fff;
  --font-heading: 'Unbounded', system-ui, sans-serif;
  --font-sans:    'Instrument Sans', system-ui, -apple-system, sans-serif;
  --font-serif:   'Source Serif 4', Georgia, serif;
  --nav-h:      64px;
  --max-w:      1400px;
  --max-prose:  720px;
  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   2rem;
  --space-lg:   4rem;
  --space-xl:   6rem;
  --radius:     8px;
  --transition: 0.3s ease;
}

/* ── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.1;
}

section {
  scroll-margin-top: var(--nav-h);
}

/* ── Nav ─────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-md);
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: border-color var(--transition);
}

.nav.scrolled {
  border-bottom-color: var(--border);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
}

.nav__logo {
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.nav__links a {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav__links a:hover {
  color: var(--white);
}

.nav__login {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.45rem 1.2rem;
  border: 1px solid #444;
  border-radius: 100px;
  color: var(--text);
  transition: all var(--transition);
  letter-spacing: 0.03em;
}

.nav__login:hover {
  border-color: var(--white);
  color: var(--white);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100vh;
  height: 100dvh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 25% 75%, rgba(10, 10, 10, 0.92) 0%, transparent 65%),
    linear-gradient(to top, rgba(10, 10, 10, 0.98) 0%, rgba(10, 10, 10, 0.4) 35%, rgba(10, 10, 10, 0.1) 65%);
}

/* Film grain texture */
.hero__overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: left;
  padding: var(--space-lg) var(--space-md);
  padding-bottom: clamp(2.5rem, 2rem + 5vh, 5rem);
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
}

.hero__label {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.hero__title {
  font-size: clamp(2.5rem, 1.75rem + 6vw, 6.5rem);
  color: var(--white);
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
  line-height: 1.08;
  max-width: 15ch;
  font-weight: 900;
}

.hero__subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 0.9rem + 0.5vw, 1.2rem);
  color: var(--text-muted);
  max-width: 38ch;
  margin-bottom: 1.75rem;
  line-height: 1.7;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.8rem;
  background: var(--white);
  color: var(--bg);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: 100px;
  letter-spacing: 0.02em;
  transition: all var(--transition);
}

.hero__cta:hover {
  background: var(--text);
  transform: translateY(-1px);
  gap: 0.9rem;
}

/* ── Features ────────────────────────────────────────────── */
.features {
  padding: var(--space-xl) var(--space-md);
  background: var(--bg);
}

.features__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

/* Features Header */
.features__header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.features__label {
  display: inline-block;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.features__heading {
  font-size: clamp(1.75rem, 1.25rem + 2.5vw, 3rem);
  color: var(--white);
  letter-spacing: -0.03em;
}

/* Showcases */
.showcase {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-lg) 0;
}

.showcase--reverse {
  grid-template-columns: 1.2fr 1fr;
}

.showcase--reverse .showcase__screen {
  order: -1;
}

.showcase__num {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.showcase__title {
  font-size: clamp(1.5rem, 1.15rem + 1.5vw, 2.25rem);
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.showcase__desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 45ch;
}

.showcase__screen {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 6px;
  overflow: hidden;
}

.showcase__svg {
  width: 100%;
  display: block;
  border-radius: 8px;
}

/* Bento Grid */
.bento {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.bento__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color var(--transition);
}

.bento__card:hover {
  border-color: #333;
}

.bento__card--wide {
  grid-column: span 2;
}

.bento__screen {
  padding: 6px 6px 0;
}

.bento__svg {
  width: 100%;
  display: block;
  border-radius: 8px 8px 0 0;
}

.showcase__img {
  width: 100%;
  display: block;
  border-radius: 8px;
}

.bento__img {
  width: 100%;
  display: block;
  border-radius: 8px 8px 0 0;
}

.bento__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--white);
  padding: var(--space-sm) var(--space-sm) 0.25rem;
  letter-spacing: -0.01em;
}

.bento__desc {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
  padding: 0 var(--space-sm) var(--space-sm);
}

/* ── Pricing ─────────────────────────────────────────────── */
.pricing {
  padding: var(--space-xl) var(--space-md);
  background: var(--bg);
}

.pricing__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.pricing__heading {
  font-size: clamp(1.5rem, 1.25rem + 1.25vw, 2.5rem);
  color: var(--white);
  text-align: center;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.pricing__subheading {
  text-align: center;
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: var(--space-lg);
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.pricing__card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
}

.pricing__card--featured {
  border-color: #333;
}

.pricing__card-badge {
  position: absolute;
  top: -0.5px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--bg);
  background: var(--text);
  padding: 0.25rem 0.9rem;
  border-radius: 0 0 6px 6px;
}

.pricing__card-name {
  font-size: 1.3rem;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.pricing__card-price {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 1.5rem + 1.5vw, 2.75rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.pricing__card-period {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing__card-billing {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.pricing__card-features {
  list-style: none;
  margin: var(--space-sm) 0;
  flex: 1;
}

.pricing__card-features li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.6rem;
  line-height: 1.5;
}

.pricing__card-features li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--text);
}

.pricing__card-cta {
  display: block;
  text-align: center;
  padding: 0.7rem 1.8rem;
  border: 1px solid #444;
  border-radius: 100px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: var(--text);
  transition: all var(--transition);
  margin-top: var(--space-sm);
}

.pricing__card-cta:hover {
  border-color: var(--white);
  color: var(--white);
}

.pricing__card-cta--featured {
  background: var(--white);
  color: var(--bg);
  border-color: var(--white);
}

.pricing__card-cta--featured:hover {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}

/* ── Legal Sections (Terms & Privacy) ────────────────────── */
.legal {
  padding: var(--space-xl) var(--space-md);
}

.legal:nth-of-type(even) {
  background: var(--bg-raised);
}

.legal__inner {
  max-width: var(--max-prose);
  margin: 0 auto;
}

.legal__heading {
  font-size: clamp(1.5rem, 1.25rem + 1.25vw, 2.5rem);
  color: var(--white);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.legal__inner h3 {
  font-size: 1.15rem;
  color: var(--white);
  margin-top: var(--space-md);
  margin-bottom: var(--space-xs);
}

.legal__inner p {
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.legal__inner ul {
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
  padding-left: 1.5rem;
}

.legal__inner li {
  margin-bottom: 0.35rem;
}

.legal__updated {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  font-style: italic;
}

/* ── Subpage Body ────────────────────────────────────────── */
.subpage {
  padding-top: var(--nav-h);
}

/* ── Changelog ──────────────────────────────────────────── */
.changelog__version {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-xs);
}

.changelog__version:first-child {
  margin-top: 0;
}

.changelog__badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--white);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.2rem 0.7rem;
  letter-spacing: 0.02em;
}

.changelog__version time {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  list-style: none;
  margin-bottom: var(--space-sm);
}

.footer__links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

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

.footer__copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── Mobile ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav__hamburger {
    display: flex;
  }

  .nav__links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: center;
    gap: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: var(--space-sm) 0;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }

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

  .nav__links a {
    display: block;
    padding: 0.75rem var(--space-md);
    font-size: 1rem;
  }

  .hero__content {
    padding-bottom: 2rem;
  }

  .hero__title {
    font-size: clamp(2.25rem, 1.5rem + 7vw, 3.5rem);
    max-width: none;
    line-height: 1.05;
  }

  .hero__subtitle {
    font-size: 0.95rem;
    max-width: none;
  }

  .hero__label {
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
  }

  .showcase {
    grid-template-columns: 1fr;
  }

  .showcase--reverse {
    grid-template-columns: 1fr;
  }

  .showcase__screen {
    order: -1;
  }

  .bento {
    grid-template-columns: 1fr;
  }

  .bento__card--wide {
    grid-column: span 1;
  }

  .pricing__grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }

  .footer__links {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

/* ── Reduced Motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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