:root {
  --ink: #f4f2ed;
  --ink-soft: #c5c3bd;
  --ink-muted: #8d8b86;
  --canvas: #050505;
  --panel: #0e0e0e;
  --line: #292929;
  --line-strong: #565656;
  --signal: #ff493e;
  --paper: #eeece6;
  --paper-ink: #111111;
  --content-width: min(1280px, calc(100vw - 56px));
  --sans: "Helvetica Neue", "Aptos", "Segoe UI", Arial, sans-serif;
  --mono: "IBM Plex Mono", "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

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

.skip-link {
  position: fixed;
  z-index: 10;
  top: 12px;
  left: 12px;
  transform: translateY(-160%);
  padding: 11px 14px;
  background: var(--ink);
  color: var(--canvas);
  text-decoration: none;
}

.skip-link:focus { transform: translateY(0); }

.site-header,
.site-footer {
  width: var(--content-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
}

.site-header {
  min-height: 84px;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .13em;
  text-decoration: none;
  text-transform: uppercase;
}

.wordmark-mark {
  width: 14px;
  height: 14px;
  border: 1px solid currentColor;
  position: relative;
}

.wordmark-mark::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 5px;
  height: 5px;
  background: var(--signal);
}

.site-nav { display: flex; gap: clamp(18px, 3vw, 42px); }

.site-nav a,
.site-footer a,
.header-download {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav a,
.site-footer a { color: var(--ink-muted); }

.site-nav a:hover,
.site-nav a:focus-visible,
.site-footer a:hover,
.site-footer a:focus-visible { color: var(--ink); }

.header-download {
  padding: 11px 14px;
  border: 1px solid var(--line-strong);
  color: var(--ink);
}

.header-download:hover,
.header-download:focus-visible { border-color: var(--ink); }

.hero {
  width: var(--content-width);
  min-height: min(780px, calc(100dvh - 84px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  align-items: end;
  gap: clamp(32px, 7vw, 110px);
  padding: clamp(74px, 9vw, 132px) 0 84px;
}

.hero-copy { padding-bottom: 34px; }

.eyebrow,
.panel-label,
.section-index,
.measure,
.microcopy,
.tool-list span {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px;
  color: var(--ink-soft);
}

.eyebrow > span,
.signal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal);
}

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

h1,
h2,
h3 { font-weight: 300; letter-spacing: -.055em; }

h1 {
  max-width: 760px;
  margin-bottom: 28px;
  font-size: clamp(62px, 9.5vw, 142px);
  line-height: .84;
}

h1 em { color: var(--ink-soft); font-style: normal; }

.hero-intro {
  max-width: 460px;
  margin-bottom: 30px;
  color: var(--ink-soft);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 300;
  line-height: 1.45;
}

.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }

.button {
  display: inline-flex;
  min-height: 53px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid transparent;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 160ms ease, background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.button-primary { background: var(--ink); color: var(--canvas); }

.button-primary:hover,
.button-primary:focus-visible { background: var(--signal); color: #140504; }

.button:active { transform: scale(.97); }

.text-link {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  text-decoration: none;
}

.text-link span { color: var(--signal); padding-left: 4px; }

.text-link:hover,
.text-link:focus-visible { color: var(--signal); }

.microcopy { margin: 21px 0 0; color: var(--ink-muted); line-height: 1.5; }

.hero-visual {
  min-height: 560px;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto 1fr auto;
  align-items: end;
  column-gap: 20px;
  position: relative;
}

.measure { color: var(--ink-muted); }
.measure-top { grid-column: 1 / -1; margin-bottom: 17px; }
.measure-bottom { grid-column: 1 / -1; display: flex; align-items: center; gap: 8px; margin-top: 16px; }

.phone {
  overflow: hidden;
  border: 1px solid #5b5b5b;
  background: #111;
  box-shadow: 24px 32px 0 rgba(255, 255, 255, .025), 0 34px 80px rgba(0, 0, 0, .6);
}

.phone img { width: 100%; height: 100%; object-fit: contain; }

.phone-primary {
  grid-column: 1;
  width: min(100%, 330px);
  justify-self: center;
  border-radius: 30px;
  padding: 9px;
}

.phone-primary img { border-radius: 22px; }

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: var(--content-width);
  margin: 0 auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principles article { min-height: 282px; padding: 33px 32px 38px 0; }
.principles article + article { padding-left: 32px; border-left: 1px solid var(--line); }
.section-index { color: var(--signal); }

.principles h2 { max-width: 265px; margin: 51px 0 13px; font-size: clamp(27px, 2.65vw, 38px); line-height: .98; }
.principles p:last-child { max-width: 340px; margin-bottom: 0; color: var(--ink-muted); font-size: 16px; line-height: 1.5; }

.showcase,
.editorial-split,
.tools,
.faq,
.closing { width: var(--content-width); margin: 0 auto; }

.showcase { padding: clamp(94px, 13vw, 174px) 0; }
.section-heading { max-width: 760px; }
.section-heading h2,
.split-copy h2,
.tools h2,
.faq h2 { margin-bottom: 0; font-size: clamp(43px, 6vw, 82px); line-height: .94; }

.showcase-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 1px;
  margin-top: 61px;
  background: var(--line);
  border: 1px solid var(--line);
}

.feature-panel { min-height: 430px; padding: clamp(28px, 4vw, 54px); background: var(--panel); position: relative; overflow: hidden; }
.feature-panel-wide { grid-row: span 2; min-height: 861px; }
.feature-panel-dark { background: #080808; }
.feature-panel-light { background: var(--paper); color: var(--paper-ink); }
.panel-label { margin-bottom: 52px; color: var(--ink-muted); }
.feature-panel-light .panel-label { color: #77756f; }
.feature-panel h3 { max-width: 370px; margin-bottom: 15px; font-size: clamp(32px, 3.8vw, 54px); line-height: .95; }
.feature-panel p:not(.panel-label) { max-width: 410px; margin-bottom: 0; color: var(--ink-muted); font-size: 17px; line-height: 1.5; }
.feature-panel-light p:not(.panel-label) { color: #575651; }
.feature-panel .text-link { display: inline-block; margin-top: 28px; }

.home-layout-preview {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  min-height: 390px;
  padding: 40px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: 24px;
  background: #050505;
}

.layout-time { align-self: start; font-size: clamp(78px, 10vw, 136px); font-weight: 200; letter-spacing: -.11em; line-height: .68; }
.layout-rule { background: var(--line-strong); }
.layout-side { display: grid; align-content: start; gap: 22px; font-family: var(--mono); font-size: 11px; letter-spacing: .12em; }
.layout-side small { margin-top: 27px; color: var(--ink-muted); font-size: 10px; letter-spacing: .15em; }
.layout-side span { padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.layout-focus { position: absolute; left: 40px; bottom: 38px; display: flex; align-items: center; gap: 10px; color: var(--ink-soft); font-family: var(--mono); font-size: 12px; letter-spacing: .14em; }
.layout-focus b { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); }

.delay-preview { position: absolute; right: 37px; bottom: 36px; left: 37px; display: grid; gap: 17px; font-family: var(--mono); text-align: center; }
.delay-preview span { color: var(--ink-muted); font-size: 10px; letter-spacing: .14em; line-height: 1.7; }
.delay-preview strong { font-size: 84px; font-weight: 300; letter-spacing: -.12em; line-height: .8; }
.delay-preview i { padding: 13px 8px; border: 1px solid var(--ink); color: var(--ink); font-size: 10px; font-style: normal; letter-spacing: .13em; }

.profile-preview { position: absolute; right: 42px; bottom: 38px; left: 42px; display: grid; gap: 11px; }
.profile-preview div { display: flex; align-items: center; gap: 12px; padding-bottom: 10px; border-bottom: 1px solid #c7c4ba; font-family: var(--mono); font-size: 11px; letter-spacing: .12em; }
.profile-preview b { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); }
.profile-preview div:nth-child(2) b { background: #777; }
.profile-preview div:nth-child(3) b { background: #bcbab4; }

.editorial-split {
  display: grid;
  grid-template-columns: minmax(340px, .83fr) minmax(0, 1.17fr);
  align-items: center;
  gap: clamp(48px, 10vw, 155px);
  padding: 0 0 clamp(100px, 13vw, 172px);
}

.split-visual { min-height: 610px; position: relative; display: grid; place-items: center; }
.phone-secondary { z-index: 1; width: min(100%, 320px); border-radius: 28px; padding: 9px; }
.phone-secondary img { border-radius: 20px; }
.outline-block { position: absolute; border: 1px solid var(--line-strong); }
.outline-block-one { width: 69%; height: 53%; left: 0; top: 4%; }
.outline-block-two { width: 61%; height: 46%; right: 0; bottom: 2%; }
.split-copy p:not(.eyebrow) { max-width: 570px; margin: 30px 0 0; color: var(--ink-soft); font-size: 19px; font-weight: 300; line-height: 1.55; }
.check-list { margin: 43px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.check-list li { display: flex; gap: 14px; padding: 17px 0; border-bottom: 1px solid var(--line); color: var(--ink-soft); font-size: 15px; }
.check-list span { color: var(--signal); font-family: var(--mono); }

.tools { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(40px, 7vw, 90px); padding: 68px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.tool-list { display: grid; align-content: end; }
.tool-list a { display: grid; grid-template-columns: 46px 1fr auto; gap: 14px; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--line); color: var(--ink); font-size: clamp(19px, 2vw, 26px); font-weight: 300; letter-spacing: -.025em; text-decoration: none; }
.tool-list a:first-child { border-top: 1px solid var(--line); }
.tool-list span { color: var(--ink-muted); font-size: 10px; }
.tool-list b { color: var(--signal); font-size: 16px; font-weight: 400; }
.tool-list a:hover { color: var(--signal); }

.faq { padding: clamp(100px, 13vw, 164px) 0; }
.faq-list { margin-top: 58px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 25px 44px 25px 0; position: relative; font-size: clamp(21px, 2.35vw, 30px); font-weight: 300; letter-spacing: -.025em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 22px; color: var(--signal); font-family: var(--mono); font-size: 25px; }
.faq details[open] summary::after { content: "-"; }
.faq details p { max-width: 720px; margin: -2px 0 26px; color: var(--ink-muted); font-size: 16px; line-height: 1.6; }

.closing { padding: clamp(92px, 13vw, 165px) 0; text-align: center; border-top: 1px solid var(--line); }
.closing-mark { margin-bottom: 25px; color: var(--signal); font-family: var(--mono); font-size: 41px; }
.closing h2 { margin-bottom: 39px; font-size: clamp(55px, 8vw, 117px); line-height: .86; }

.site-footer { min-height: 118px; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); }
.site-footer > p { margin: 0; color: var(--ink-muted); font-family: var(--mono); font-size: 10px; letter-spacing: .13em; text-transform: uppercase; }
.site-footer > div { display: flex; gap: 20px; }

@media (max-width: 900px) {
  :root { --content-width: min(100vw - 40px, 680px); }
  .site-nav { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-bottom: 96px; }
  .hero-copy { padding-bottom: 0; }
  .hero-visual { min-height: 0; max-width: 410px; }
  .principles { grid-template-columns: 1fr; }
  .principles article,
  .principles article + article { min-height: auto; padding: 28px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .principles article:last-child { border-bottom: 0; }
  .principles h2 { margin-top: 31px; }
  .showcase-grid { grid-template-columns: 1fr; }
  .feature-panel-wide { grid-row: auto; min-height: 720px; }
  .editorial-split { grid-template-columns: 1fr; }
  .split-visual { min-height: 540px; max-width: 530px; }
  .tools { grid-template-columns: 1fr; }
  .site-footer { align-items: flex-start; flex-direction: column; padding: 28px 0; }
}

@media (max-width: 560px) {
  :root { --content-width: calc(100vw - 28px); }
  .site-header { min-height: 70px; }
  .header-download { padding: 9px 10px; font-size: 9px; }
  h1 { font-size: clamp(54px, 17vw, 84px); }
  .hero { padding-top: 64px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .button { width: 100%; }
  .phone-primary { width: min(100%, 295px); }
  .home-layout-preview { min-height: 335px; padding: 25px; gap: 16px; }
  .layout-time { font-size: 83px; }
  .layout-focus { left: 25px; bottom: 25px; }
  .feature-panel { min-height: 380px; padding: 30px; }
  .feature-panel-wide { min-height: 635px; }
  .panel-label { margin-bottom: 37px; }
  .delay-preview { right: 30px; bottom: 30px; left: 30px; }
  .profile-preview { right: 30px; bottom: 30px; left: 30px; }
  .editorial-split { gap: 50px; }
  .split-visual { min-height: 470px; }
  .phone-secondary { width: 245px; }
  .site-footer > div { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy,
  .hero-visual { animation: entrance 620ms cubic-bezier(.2, .75, .2, 1) both; }
  .hero-visual { animation-delay: 90ms; }
  .phone { transition: transform 260ms cubic-bezier(.2, .75, .2, 1), box-shadow 260ms ease; }
  .phone:hover { transform: translateY(-7px) rotate(.4deg); box-shadow: 28px 40px 0 rgba(255, 255, 255, .025), 0 43px 90px rgba(0, 0, 0, .68); }
}

@keyframes entrance {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}