* {
  box-sizing: border-box;
}

:root {
  --ink: #151713;
  --paper: #f1efe7;
  --paper-2: #e8e5da;
  --accent: #dbe76c;
  --muted: #73766d;
  --line: rgba(21, 23, 19, 0.18);
  --white: #fbfaf5;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Manrope", sans-serif;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.cursor-glow {
  position: fixed;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle, rgba(219,231,108,.16), transparent 65%);
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity .3s ease;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  width: 100%;
  min-height: 78px;
  padding: 0 4vw;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,.12);
  color: var(--paper);
  transition: .35s ease;
}

.site-header.scrolled {
  min-height: 66px;
  background: rgba(241,239,231,.88);
  backdrop-filter: blur(18px);
  color: var(--ink);
  border-color: var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: -.02em;
}

.brand-mark {
  display: inline-grid;
  grid-template-columns: repeat(3, 4px);
  align-items: end;
  gap: 3px;
  height: 20px;
}

.brand-mark span {
  display: block;
  width: 4px;
  background: currentColor;
}

.brand-mark span:nth-child(1) { height: 20px; }
.brand-mark span:nth-child(2) { height: 13px; }
.brand-mark span:nth-child(3) { height: 7px; }

.brand-mark.small {
  transform: scale(.8);
}

.nav {
  display: flex;
  gap: 34px;
  font-family: "DM Mono", monospace;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.nav a {
  position: relative;
  opacity: .82;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width .25s ease;
}

.nav a:hover::after { width: 100%; }

.header-cta {
  justify-self: end;
  border: 1px solid currentColor;
  padding: 10px 15px;
  font-family: "DM Mono", monospace;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  transition: .25s ease;
}

.header-cta:hover {
  background: var(--accent);
  color: var(--ink);
  border-color: var(--accent);
}

.menu-toggle {
  display: none;
}

.hero {
  min-height: 100vh;
  position: relative;
  display: grid;
  grid-template-columns: 46% 54%;
  align-items: center;
  padding: 130px 5vw 70px;
  color: var(--paper);
  background:
    radial-gradient(circle at 80% 50%, rgba(219,231,108,.08), transparent 30%),
    linear-gradient(130deg, #171a16 0%, #20251d 52%, #111310 100%);
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to right, black, transparent 75%);
}

.hero::before {
  content: "";
  position: absolute;
  left: -120px;
  bottom: -160px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 50%;
  box-shadow: 0 0 0 90px rgba(255,255,255,.025), 0 0 0 180px rgba(255,255,255,.015);
}

.hero-copy,
.mail-demo {
  position: relative;
  z-index: 2;
}

.eyebrow {
  margin: 0 0 20px;
  font-family: "DM Mono", monospace;
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.hero .eyebrow {
  display: flex;
  align-items: center;
  gap: 11px;
  color: #c8cbbf;
}

.hero .eyebrow span {
  width: 25px;
  height: 1px;
  background: var(--accent);
}

h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(4.2rem, 7.5vw, 8rem);
  line-height: .84;
  letter-spacing: -.075em;
  font-weight: 500;
}

h1 em {
  font-family: Georgia, serif;
  font-weight: 400;
  color: var(--accent);
}

.hero-text {
  max-width: 540px;
  margin: 38px 0 0;
  color: #b8bdb1;
  font-size: 1.05rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  min-height: 50px;
  padding: 0 18px;
  font-family: "DM Mono", monospace;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  transition: .25s ease;
}

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

.button.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
}

.button.text-button {
  color: var(--paper);
  border-bottom: 1px solid rgba(255,255,255,.3);
  padding-inline: 0;
}

.trust-row {
  display: flex;
  gap: 34px;
  margin-top: 50px;
  color: #9ca094;
  font-family: "DM Mono", monospace;
  font-size: .63rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.trust-row span::before {
  content: "•";
  color: var(--accent);
  margin-right: 8px;
}

.mail-demo {
  width: min(650px, 100%);
  margin-left: auto;
  border: 1px solid rgba(255,255,255,.16);
  background: #e7e5dc;
  color: var(--ink);
  box-shadow: 0 35px 100px rgba(0,0,0,.42);
  transform: perspective(1400px) rotateY(-5deg) rotateX(2deg);
  animation: drift 6s ease-in-out infinite;
}

@keyframes drift {
  0%, 100% { transform: perspective(1400px) rotateY(-5deg) rotateX(2deg) translateY(0); }
  50% { transform: perspective(1400px) rotateY(-3deg) rotateX(1deg) translateY(-9px); }
}

.demo-topbar {
  height: 39px;
  padding: 0 14px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  background: #d7d4c9;
  border-bottom: 1px solid #bab8ae;
  font: .58rem "DM Mono", monospace;
  letter-spacing: .06em;
}

.window-dots {
  display: flex;
  gap: 5px;
}

.window-dots i {
  width: 6px;
  height: 6px;
  border: 1px solid #74776f;
  border-radius: 50%;
}

.demo-topbar button {
  justify-self: end;
  border: 0;
  background: transparent;
}

.demo-shell {
  min-height: 510px;
  display: grid;
  grid-template-columns: 52px 1fr;
}

.demo-sidebar {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 0 13px;
  color: #daddd2;
  background: #1d211c;
}

.compose {
  width: 27px;
  height: 27px;
  margin-top: 35px;
  border: 0;
  background: var(--accent);
  color: var(--ink);
  font-size: 1.2rem;
}

.side-icons {
  margin-top: 52px;
  display: flex;
  flex-direction: column;
  gap: 27px;
  font-size: .8rem;
  color: #7d8277;
}

.avatar {
  margin-top: auto;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid #666b62;
  border-radius: 50%;
  font: .5rem "DM Mono", monospace;
}

.demo-main {
  padding: 28px 32px;
}

.inbox-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 26px;
}

.label,
.date {
  font: .54rem "DM Mono", monospace;
  letter-spacing: .1em;
  color: #7f8279;
}

.inbox-header h3 {
  margin: 7px 0 0;
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: -.04em;
}

.message {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  padding: 15px 12px;
  border-top: 1px solid #c9c6bc;
  transition: .2s ease;
}

.message:hover,
.message.active {
  background: #dcdfbd;
}

.message-id {
  font: .56rem "DM Mono", monospace;
  color: #85887f;
}

.message strong {
  display: block;
  font-size: .72rem;
  font-weight: 600;
}

.message p {
  margin: 3px 0 0;
  font-size: .65rem;
  color: #71746c;
}

.message time {
  font: .52rem "DM Mono", monospace;
  color: #777a72;
}

.reading-pane {
  margin-top: 24px;
  padding: 24px;
  background: #f6f4ec;
  border: 1px solid #cbc8be;
}

.reading-meta {
  display: flex;
  justify-content: space-between;
  font: .5rem "DM Mono", monospace;
  letter-spacing: .07em;
  color: #898c82;
}

.reading-pane h4 {
  margin: 19px 0 12px;
  font-family: Georgia, serif;
  font-size: 1.5rem;
  font-weight: 400;
}

.reading-pane p {
  max-width: 420px;
  font-family: Georgia, serif;
  font-size: .79rem;
  line-height: 1.75;
  color: #565951;
}

.signature {
  font: .52rem "DM Mono", monospace;
  color: #8a8d84;
}

.floating-status {
  position: absolute;
  right: -20px;
  bottom: 38px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 15px;
  background: var(--accent);
  font: .6rem "DM Mono", monospace;
  box-shadow: 0 16px 35px rgba(0,0,0,.2);
}

.pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 0 0 rgba(21,23,19,.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  70% { box-shadow: 0 0 0 8px rgba(21,23,19,0); }
  100% { box-shadow: 0 0 0 0 rgba(21,23,19,0); }
}

.scroll-note {
  position: absolute;
  right: 3vw;
  bottom: 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  font: .58rem "DM Mono", monospace;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: #858b80;
  writing-mode: vertical-rl;
}

.scroll-note span {
  width: 1px;
  height: 36px;
  background: #676d63;
}

.section {
  padding: 130px 7vw;
}

.section-number {
  font: .62rem "DM Mono", monospace;
  letter-spacing: .1em;
  color: var(--muted);
}

.section-intro {
  display: grid;
  grid-template-columns: 32% 68%;
  margin: 55px 0 75px;
}

.section-intro .eyebrow {
  color: var(--muted);
}

h2 {
  margin: 0;
  font-size: clamp(3rem, 5vw, 5.7rem);
  line-height: .98;
  letter-spacing: -.065em;
  font-weight: 500;
}

.principle-list {
  border-top: 1px solid var(--line);
}

.principle-list article {
  display: grid;
  grid-template-columns: 70px 1fr 50px;
  gap: 25px;
  align-items: center;
  min-height: 150px;
  border-bottom: 1px solid var(--line);
  transition: .3s ease;
}

.principle-list article:hover {
  padding-left: 20px;
  background: rgba(255,255,255,.28);
}

.principle-list article > span {
  font: .65rem "DM Mono", monospace;
  color: var(--muted);
}

.principle-list h3 {
  margin: 0 0 10px;
  font-size: 1.4rem;
  letter-spacing: -.03em;
}

.principle-list p {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.principle-list i {
  font-style: normal;
  font-size: 1.4rem;
}

.feature-showcase {
  background: #dad8cd;
  display: grid;
  grid-template-columns: 30% 70%;
  gap: 65px;
}

.feature-copy {
  position: sticky;
  top: 110px;
  align-self: start;
}

.feature-copy .eyebrow {
  margin-top: 50px;
  color: var(--muted);
}

.feature-copy h2 {
  font-size: clamp(2.8rem, 4.5vw, 4.8rem);
}

.feature-copy > p:last-child {
  margin-top: 25px;
  max-width: 360px;
  color: var(--muted);
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(21,23,19,.2);
  border: 1px solid rgba(21,23,19,.2);
}

.feature-card {
  min-height: 360px;
  padding: 28px;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.feature-card.large {
  grid-row: span 2;
  min-height: 721px;
}

.feature-card.wide {
  grid-column: span 2;
  min-height: 290px;
}

.feature-card.dark {
  background: var(--ink);
  color: var(--paper);
}

.feature-index {
  font: .6rem "DM Mono", monospace;
  color: var(--muted);
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 1.45rem;
  letter-spacing: -.035em;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
  font-size: .9rem;
}

.focus-ui {
  margin: 40px 0;
  padding: 35px 28px;
  background: var(--white);
  border: 1px solid var(--line);
}

.focus-label {
  display: block;
  margin-bottom: 40px;
  font: .55rem "DM Mono", monospace;
  color: var(--muted);
}

.focus-line {
  height: 8px;
  width: 75%;
  margin: 12px 0;
  background: #cccec3;
}

.focus-line.wide { width: 100%; }
.focus-line.short { width: 45%; }

.focus-ui button {
  margin-top: 45px;
  padding: 12px 14px;
  border: 0;
  background: var(--ink);
  color: var(--paper);
  font: .62rem "DM Mono", monospace;
}

.feature-icon {
  align-self: center;
  display: grid;
  place-items: center;
  width: 95px;
  height: 95px;
  margin: 15px 0;
}

.clock-icon {
  border: 1px solid var(--ink);
  border-radius: 50%;
  position: relative;
}

.clock-icon::before,
.clock-icon::after {
  content: "";
  position: absolute;
  bottom: 47px;
  left: 47px;
  width: 1px;
  height: 26px;
  background: var(--ink);
  transform-origin: bottom;
}

.clock-icon::after {
  height: 19px;
  transform: rotate(125deg);
}

.shield-icon {
  border: 1px solid #7d8276;
  font-size: 3rem;
  color: var(--accent);
}

.shortcut-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
}

.shortcut-strip span {
  padding: 24px 18px;
  border-right: 1px solid var(--line);
  font: .63rem "DM Mono", monospace;
  color: var(--muted);
}

.shortcut-strip span:last-child {
  border-right: 0;
}

kbd {
  display: inline-grid;
  place-items: center;
  width: 27px;
  height: 27px;
  margin-right: 6px;
  border: 1px solid #9c9f95;
  border-radius: 2px;
  color: var(--ink);
  background: #eceae1;
  box-shadow: 0 2px 0 #b9b7ae;
}

.manifesto {
  padding: 130px 7vw;
  color: var(--paper);
  background: var(--ink);
  text-align: center;
}

.manifesto-inner {
  max-width: 1050px;
  margin: auto;
}

.manifesto-mark {
  color: var(--accent);
  font: 5rem Georgia, serif;
}

.manifesto p {
  margin: 15px 0 40px;
  font-family: Georgia, serif;
  font-size: clamp(2.4rem, 4.6vw, 5rem);
  line-height: 1.12;
  letter-spacing: -.035em;
}

.manifesto-sign {
  font: .6rem "DM Mono", monospace;
  letter-spacing: .15em;
  color: #858b80;
}

.pricing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10vw;
  align-items: center;
}

.pricing-heading .eyebrow {
  margin-top: 50px;
  color: var(--muted);
}

.price-card {
  padding: 38px;
  background: var(--ink);
  color: var(--paper);
  box-shadow: 24px 24px 0 var(--accent);
}

.price-card-top {
  display: flex;
  justify-content: space-between;
  padding-bottom: 25px;
  border-bottom: 1px solid #40443d;
  font: .56rem "DM Mono", monospace;
  letter-spacing: .08em;
  color: #9b9f96;
}

.price {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  margin-top: 28px;
}

.price strong {
  font-size: 6rem;
  line-height: 1;
  letter-spacing: -.08em;
  font-weight: 500;
}

.price span {
  margin-bottom: 12px;
  color: #a9ada3;
}

.price-card > p {
  color: #b6baaf;
}

.price-card ul {
  list-style: none;
  padding: 20px 0;
  margin: 22px 0;
  border-block: 1px solid #40443d;
}

.price-card li {
  padding: 9px 0;
  color: #d9dcd3;
  font-size: .86rem;
}

.price-card li span {
  color: var(--accent);
  margin-right: 10px;
}

.button.full {
  width: 100%;
}

.price-card small {
  display: block;
  margin-top: 17px;
  text-align: center;
  color: #777c72;
  font: .55rem "DM Mono", monospace;
}

.signup {
  background: var(--accent);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8vw;
  align-items: end;
}

.signup h2 {
  font-size: clamp(3.2rem, 5vw, 5.5rem);
}

.signup-form label {
  display: block;
  margin-bottom: 14px;
  font: .65rem "DM Mono", monospace;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.input-row {
  display: grid;
  grid-template-columns: 1fr auto;
  border-bottom: 2px solid var(--ink);
}

.input-row input {
  width: 100%;
  padding: 18px 0;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 1.1rem;
}

.input-row input::placeholder {
  color: rgba(21,23,19,.55);
}

.input-row button {
  border: 0;
  background: transparent;
  font: .65rem "DM Mono", monospace;
  text-transform: uppercase;
  cursor: pointer;
}

.form-note {
  margin-top: 13px;
  font-size: .74rem;
  color: rgba(21,23,19,.65);
}

footer {
  padding: 55px 7vw 28px;
  background: var(--ink);
  color: var(--paper);
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: center;
  gap: 25px;
}

footer p {
  color: #898e84;
  font-size: .8rem;
}

.footer-links {
  display: flex;
  gap: 22px;
  font: .61rem "DM Mono", monospace;
  text-transform: uppercase;
}

.copyright {
  grid-column: 1 / -1;
  padding-top: 30px;
  border-top: 1px solid #383c35;
  color: #656a61;
  font: .53rem "DM Mono", monospace;
  letter-spacing: .1em;
}

.reveal {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity .8s ease, transform .8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1050px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 80px;
    padding-top: 145px;
  }

  .mail-demo {
    margin: 0 auto;
  }

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

  .feature-copy {
    position: static;
  }
}

@media (max-width: 760px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 6px;
    justify-self: end;
    border: 0;
    background: transparent;
    padding: 8px;
  }

  .menu-toggle span {
    width: 22px;
    height: 1px;
    background: currentColor;
  }

  .site-header.menu-open {
    background: var(--paper);
    color: var(--ink);
  }

  .site-header.menu-open .nav {
    display: flex;
    position: absolute;
    top: 78px;
    left: 0;
    width: 100%;
    padding: 30px 5vw;
    flex-direction: column;
    background: var(--paper);
    border-top: 1px solid var(--line);
  }

  .hero {
    padding: 125px 5vw 70px;
  }

  h1 {
    font-size: clamp(3.5rem, 17vw, 5.4rem);
  }

  .hero-actions,
  .trust-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .trust-row {
    gap: 12px;
  }

  .mail-demo {
    transform: none;
    animation: none;
  }

  .demo-shell {
    grid-template-columns: 42px 1fr;
  }

  .demo-main {
    padding: 22px 14px;
  }

  .reading-pane {
    padding: 18px;
  }

  .floating-status {
    right: 10px;
    bottom: -20px;
  }

  .section {
    padding: 95px 5vw;
  }

  .section-intro,
  .pricing,
  .signup {
    grid-template-columns: 1fr;
  }

  .section-intro {
    gap: 24px;
  }

  .principle-list article {
    grid-template-columns: 40px 1fr;
    padding-block: 24px;
  }

  .principle-list i {
    display: none;
  }

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

  .feature-card.large,
  .feature-card.wide {
    grid-column: auto;
    grid-row: auto;
    min-height: 400px;
  }

  .shortcut-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .shortcut-strip span:nth-child(2) {
    border-right: 0;
  }

  .shortcut-strip span {
    border-bottom: 1px solid var(--line);
  }

  .pricing {
    gap: 65px;
  }

  .price-card {
    box-shadow: 12px 12px 0 var(--accent);
  }

  .signup {
    gap: 50px;
  }

  .input-row {
    grid-template-columns: 1fr;
  }

  .input-row button {
    justify-self: start;
    padding: 14px 0;
  }

  footer {
    grid-template-columns: 1fr;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}