:root {
  --bg: #000000;
  --ink: #ffffff;
  --ink-60: rgba(255, 255, 255, 0.62);
  --ink-45: rgba(255, 255, 255, 0.46);
  --ink-12: rgba(255, 255, 255, 0.16);
  --ink-08: rgba(255, 255, 255, 0.10);

  --maxw: 1120px;
  --gutter: clamp(20px, 5vw, 64px);

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --z-nav: 50;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

::selection { background: var(--ink); color: var(--bg); }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

section { padding-block: clamp(52px, 7.5vw, 104px); }
section[id] { scroll-margin-top: 84px; }

.rule { border-top: 1px solid var(--ink-12); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--bg);
  padding: 12px 18px;
  font-family: var(--mono);
  font-size: 12px;
  z-index: 100;
}
.skip-link:focus { left: 16px; top: 16px; }

.label {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-60);
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.04;
  font-optical-sizing: auto;
}

.display {
  font-size: clamp(2.4rem, 9.5vw, 7.5rem);
  font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 144, "wght" 380;
}

h2.section-title {
  font-size: clamp(2.1rem, 5.2vw, 3.9rem);
  font-variation-settings: "opsz" 110, "wght" 400;
  max-width: 16ch;
}

h3 {
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.6vw, 1.9rem);
  font-variation-settings: "opsz" 40, "wght" 460;
  letter-spacing: -0.02em;
}

.lede {
  font-family: var(--sans);
  font-size: clamp(1.15rem, 2.1vw, 1.45rem);
  line-height: 1.5;
  font-weight: 400;
  color: var(--ink);
  max-width: 34ch;
}

p { max-width: 64ch; }
em { font-style: italic; }

.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}
.nav.is-scrolled { border-bottom-color: var(--ink-12); }
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.wordmark {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-variation-settings: "opsz" 40, "wght" 500;
  letter-spacing: -0.03em;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
}
.nav__links a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-60);
  transition: color 0.2s ease;
  white-space: nowrap;
}
.nav__links a:hover,
.nav__links a[aria-current="page"] { color: var(--ink); }
.nav__links .nav-cta {
  color: var(--ink);
  border: 1px solid var(--ink-12);
  padding: 8px 15px;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.nav__links .nav-cta:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.28s ease, opacity 0.2s ease;
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 919px) {
  .nav__toggle { display: flex; }
  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(0, 0, 0, 0.97);
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    border-bottom: 1px solid var(--ink-12);
    padding: 4px var(--gutter) 22px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: max-height 0.32s ease, opacity 0.25s ease, visibility 0.25s ease;
  }
  .nav__links.is-open {
    max-height: 86vh;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav__links a {
    font-size: 13px;
    padding: 16px 2px;
    border-bottom: 1px solid var(--ink-08);
    letter-spacing: 0.06em;
  }
  .nav__links .nav-cta {
    margin-top: 16px;
    border: 1px solid var(--ink);
    padding: 15px;
    text-align: center;
    justify-content: center;
  }
  .nav__links .nav-cta:hover { background: transparent; color: var(--ink); }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 14px 26px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  cursor: pointer;
  border-radius: 0;
  transition: background 0.2s ease, color 0.2s ease, opacity 0.2s ease;
  min-height: 48px;
}
.btn:hover { opacity: 0.82; }
.btn--ghost {
  background: transparent;
  color: var(--ink);
}
.btn--ghost:hover { background: var(--ink); color: var(--bg); opacity: 1; }
.btn svg { width: 16px; height: 16px; }

.hero { padding-block: clamp(36px, 5vw, 72px) clamp(48px, 7vw, 96px); }
.hero__tag { margin-bottom: 28px; }
.display .tagline-mark { font-style: italic; }
.hero__sub {
  margin-top: 36px;
  display: grid;
  gap: 32px;
}

.hero__sub > * { min-width: 0; }
@media (min-width: 820px) {
  .hero__sub {
    grid-template-columns: 1.2fr 1fr;
    align-items: end;
    gap: 48px;
  }
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.hero__meta {
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ink-45);
}

.hero__device {
  position: relative;
  margin-top: clamp(20px, 3vw, 44px);
  display: flex;
  justify-content: center;
}
.phone-float {
  animation: floaty 7s ease-in-out infinite;
  will-change: transform;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.app-shot {
  width: min(370px, 88vw);
  height: auto;
  display: block;

  -webkit-mask-image: linear-gradient(to bottom, #000 90%, transparent 100%);
          mask-image: linear-gradient(to bottom, #000 90%, transparent 100%);
}

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

.sec-head {
  display: grid;
  gap: 20px;
  margin-bottom: clamp(40px, 6vw, 72px);
}
@media (min-width: 820px) {
  .sec-head { grid-template-columns: auto 1fr; align-items: end; gap: 48px; }
  .sec-head .sec-head__aside { text-align: right; max-width: 38ch; justify-self: end; }
}
.sec-head .label { margin-bottom: 14px; }

.features {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--ink-12);
}
@media (min-width: 680px) { .features { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .features { grid-template-columns: repeat(2, 1fr); } }

.feature {
  padding: clamp(28px, 4vw, 44px) 0;
  border-bottom: 1px solid var(--ink-12);
  display: grid;
  gap: 14px;
  position: relative;
}
@media (min-width: 680px) {
  .feature { padding-inline: clamp(28px, 4vw, 44px); }
  .feature:nth-child(odd) { padding-left: 0; border-right: 1px solid var(--ink-12); }
  .feature:nth-child(even) { padding-right: 0; }
}
.feature__no { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; color: var(--ink-45); }
.feature p { color: var(--ink-60); font-size: 1rem; }

.principles { display: grid; gap: 0; }
.principle {
  display: grid;
  gap: 8px;
  padding-block: clamp(26px, 3.4vw, 38px);
  border-bottom: 1px solid var(--ink-12);
}
@media (min-width: 820px) {
  .principle { grid-template-columns: 0.5fr 0.9fr 1.3fr; align-items: baseline; gap: 40px; }
}
.principle:first-child { border-top: 1px solid var(--ink-12); }
.principle__no { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; color: var(--ink-45); }
.principle__term { font-family: var(--serif); font-size: clamp(1.4rem, 2.6vw, 1.9rem); font-variation-settings: "opsz" 40, "wght" 440; letter-spacing: -0.02em; }
.principle__desc { color: var(--ink-60); font-size: 1rem; }

.pull {
  font-family: var(--serif);
  font-variation-settings: "opsz" 110, "wght" 360;
  font-size: clamp(2rem, 5.4vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  max-width: 22ch;
}
.pull em { font-style: italic; }

.pricing { display: grid; gap: 28px; }
@media (min-width: 820px) { .pricing { grid-template-columns: 1fr 1fr; gap: 0; } }
.price-card {
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid var(--ink-12);
}
@media (min-width: 820px) {
  .price-card:first-child { border-right: none; }
}
.price-card .label { margin-bottom: 22px; }
.price-card .amount {
  font-family: var(--serif);
  font-size: clamp(3rem, 7vw, 4.6rem);
  font-variation-settings: "opsz" 110, "wght" 380;
  line-height: 1;
  letter-spacing: -0.03em;
}
.price-card .amount small { font-size: 1rem; font-family: var(--mono); letter-spacing: 0; color: var(--ink-45); display: block; margin-top: 10px; text-transform: uppercase; }
.price-card p { color: var(--ink-60); font-size: 1rem; margin-top: 18px; }

.note { max-width: 60ch; }
.note .label { margin-bottom: 26px; }
.note__body {
  font-family: var(--serif);
  font-variation-settings: "opsz" 60, "wght" 360;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.32;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: none;
}
.note__sign {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-45);
  margin-top: 28px;
}

.signup {
  display: grid;
  gap: 28px;
}
@media (min-width: 820px) { .signup { grid-template-columns: 1fr 1fr; align-items: end; gap: 56px; } }
.form {
  display: grid;
  gap: 14px;
}
.form__field { display: grid; gap: 8px; }
.form label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-60);
}
.form input[type="email"],
.form input[type="text"],
.form textarea {
  font-family: var(--sans);
  font-size: 1.05rem;
  padding: 16px 4px;
  border: none;
  border-bottom: 1.5px solid var(--ink);
  background: transparent;
  color: var(--ink);
  border-radius: 0;
}
.form textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.5;
}
.form input[type="email"]::placeholder,
.form input[type="text"]::placeholder,
.form textarea::placeholder { color: var(--ink-45); }
.form input[type="email"]:focus,
.form input[type="text"]:focus,
.form textarea:focus { outline: none; border-bottom-width: 2px; }
.form__row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 6px; }
.form__note { font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; color: var(--ink-45); }
.form__status {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink);
  min-height: 16px;
}
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.footer { padding-block: clamp(56px, 7vw, 96px) 40px; border-top: 1px solid var(--ink); }
.footer__grid { display: grid; gap: 40px; }
@media (min-width: 720px) { .footer__grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer__col h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-45);
  font-weight: 500;
  margin-bottom: 16px;
}
.footer__col ul { list-style: none; padding: 0; display: grid; gap: 10px; }
.footer__col a { color: var(--ink-60); transition: color 0.2s ease; font-size: 0.95rem; }
.footer__col a:hover { color: var(--ink); }
.footer__brand .wordmark { font-size: 2rem; }
.footer__brand p { color: var(--ink-60); font-size: 0.95rem; margin-top: 14px; max-width: 30ch; }
.footer__base {
  margin-top: clamp(48px, 6vw, 80px);
  padding-top: 24px;
  border-top: 1px solid var(--ink-12);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-45);
  text-transform: uppercase;
}

.doc { padding-block: clamp(48px, 7vw, 96px); }
.doc__head { margin-bottom: clamp(40px, 6vw, 72px); }
.doc__head h1 {
  font-size: clamp(2.6rem, 7vw, 5rem);
  font-variation-settings: "opsz" 144, "wght" 380;
  margin-top: 20px;
}
.doc__updated { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; color: var(--ink-45); margin-top: 22px; text-transform: uppercase; }
.doc__body { max-width: 68ch; }
.doc__body h2 {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  margin-top: clamp(40px, 5vw, 64px);
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--ink-12);
}
.doc__body h2:first-child { margin-top: 0; }
.doc__body p { font-size: 1.08rem; line-height: 1.7; color: var(--ink); margin-bottom: 18px; max-width: none; }
.doc__body ul { margin: 0 0 18px; padding-left: 0; list-style: none; display: grid; gap: 10px; }
.doc__body li {
  font-size: 1.08rem;
  line-height: 1.65;
  padding-left: 26px;
  position: relative;
  color: var(--ink);
}
.doc__body li::before {
  content: "•";
  position: absolute;
  left: 2px;
  color: var(--ink-45);
}
.doc__intro p { font-size: 1.2rem; line-height: 1.6; }
.back-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-60);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.2s ease, color 0.2s ease;
}
.back-link:hover { color: var(--ink); gap: 12px; }

.notfound {
  min-height: calc(100vh - 68px);
  display: grid;
  place-content: center;
  text-align: center;
  gap: 28px;
  padding-block: 80px;
}
.notfound__code {
  font-family: var(--serif);
  font-size: clamp(6rem, 26vw, 18rem);
  font-variation-settings: "opsz" 144, "wght" 340;
  line-height: 0.9;
  letter-spacing: -0.04em;
}
.notfound__msg { font-family: var(--serif); font-size: clamp(1.4rem, 3.4vw, 2.2rem); font-variation-settings: "opsz" 60, "wght" 420; }
.notfound p { color: var(--ink-60); margin-inline: auto; }
.notfound .btn { margin-inline: auto; }

.js [data-hero-item] {
  animation: heroIn 0.85s cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes heroIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.js [data-stagger-item] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: calc(var(--i, 0) * 80ms);
}
.js [data-reveal].is-in [data-stagger-item],
.js.revealed [data-stagger-item] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js [data-hero-item] { animation: none; }
  .js [data-stagger-item] {
    opacity: 1 !important;
    transform: none !important;
    transition: none;
  }
}