:root {
  --paper: #f7f9f6;
  --ink: #151817;
  --soft-ink: #4b5651;
  --line: #dce3dc;
  --wash: #eef4ee;
  --deep: #1d352c;
  --accent: #1f8f65;
  --accent-dark: #0e6143;
  --accent-ink: #f8fff9;
  --quiet: #f1f4f7;
  --purple: #6f4bb1;
  --header-height: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

a {
  color: inherit;
}

.site-header {
  align-items: center;
  background: rgba(247, 249, 246, 0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(21, 24, 23, 0.08);
  display: flex;
  height: var(--header-height);
  justify-content: space-between;
  left: 0;
  padding: 0 clamp(18px, 4vw, 54px);
  position: sticky;
  right: 0;
  top: 0;
  z-index: 10;
}

.brand,
nav {
  align-items: center;
  display: flex;
  gap: 14px;
}

.brand {
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  align-items: center;
  background: var(--ink);
  border-radius: 8px;
  color: white;
  display: inline-flex;
  font-size: 0.74rem;
  height: 38px;
  justify-content: center;
  width: 38px;
}

nav {
  color: var(--soft-ink);
  font-size: 0.92rem;
}

nav a {
  text-decoration: none;
  transition:
    color 180ms ease,
    transform 180ms ease;
}

nav a:hover {
  color: var(--ink);
  transform: translateY(-1px);
}

.hero {
  align-items: center;
  background: linear-gradient(
    90deg,
    rgba(247, 249, 246, 0.98) 0%,
    rgba(247, 249, 246, 0.9) 52%,
    rgba(238, 244, 238, 0.78) 100%
  );
  display: grid;
  gap: clamp(34px, 6vw, 88px);
  grid-template-columns: minmax(0, 1fr) minmax(280px, 500px);
  min-height: calc(100svh - var(--header-height));
  padding: clamp(42px, 8vw, 96px) clamp(20px, 6vw, 76px);
}

.hero-copy {
  animation: rise-in 760ms ease both;
  max-width: 720px;
}

.eyebrow,
.section-kicker {
  color: var(--accent-dark);
  font-size: 0.79rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

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

h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 8.6rem;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 0.84;
  margin-bottom: 22px;
  max-width: 8ch;
}

h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 4.8rem;
  letter-spacing: 0;
  line-height: 0.95;
  margin-bottom: 26px;
  max-width: 11ch;
}

h3 {
  font-size: 1.28rem;
  letter-spacing: 0;
  line-height: 1.18;
  margin-bottom: 8px;
}

.subtitle {
  color: var(--accent-dark);
  font-size: 1.55rem;
  font-weight: 800;
  margin-bottom: 18px;
}

.hero-text,
.closing p {
  color: var(--soft-ink);
  font-size: 1.16rem;
  max-width: 56ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  align-items: center;
  border-radius: 8px;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-height: 48px;
  padding: 0 19px;
  text-decoration: none;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: var(--accent-ink);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.button-secondary {
  border: 1px solid var(--line);
  color: var(--ink);
}

.demo-shell {
  animation: settle-in 920ms 120ms ease both;
  aspect-ratio: 554 / 1080;
  background: var(--ink);
  border-radius: 8px;
  box-shadow: 0 30px 80px rgba(21, 24, 23, 0.18);
  isolation: isolate;
  overflow: hidden;
  position: relative;
}

.demo-shell-video {
  background: var(--ink);
  display: grid;
  justify-self: center;
  max-height: min(76svh, 760px);
  max-width: min(100%, 390px);
  place-items: center;
  width: 100%;
}

.product-demo {
  height: 100%;
  inset: 0;
  object-fit: contain;
  position: absolute;
  width: 100%;
}

.demo-play-button {
  align-items: center;
  background: rgba(255, 255, 255, 0.92);
  border: 0;
  border-radius: 8px;
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  display: inline-flex;
  height: 74px;
  justify-content: center;
  position: relative;
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    visibility 180ms ease;
  width: 74px;
  z-index: 2;
}

.demo-play-button:hover,
.demo-play-button:focus-visible {
  transform: scale(1.04);
}

.demo-play-button span {
  border-bottom: 13px solid transparent;
  border-left: 20px solid var(--accent-dark);
  border-top: 13px solid transparent;
  display: block;
  margin-left: 5px;
}

.demo-shell-video.is-playing .demo-play-button {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.96);
  visibility: hidden;
}

.demo-placeholder {
  align-content: center;
  color: white;
  display: grid;
  height: 100%;
  justify-items: center;
  padding: 32px;
  text-align: center;
}

.demo-placeholder p {
  font-size: 1.32rem;
  font-weight: 800;
  margin: 18px 0 0;
}

.play-dot {
  background: rgba(255, 255, 255, 0.92);
  border-radius: 999px;
  height: 78px;
  position: relative;
  width: 78px;
}

.play-dot::after {
  border-bottom: 14px solid transparent;
  border-left: 20px solid var(--accent-dark);
  border-top: 14px solid transparent;
  content: "";
  left: 32px;
  position: absolute;
  top: 25px;
}

.workflow,
.founders,
.closing {
  padding: clamp(66px, 9vw, 132px) clamp(20px, 6vw, 76px);
}

.workflow {
  background: white;
}

.workflow-grid {
  display: grid;
  gap: clamp(36px, 6vw, 82px);
  grid-template-columns: minmax(240px, 0.82fr) minmax(0, 1fr);
  margin-top: 34px;
}

.phone-strip {
  align-items: start;
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  position: sticky;
  top: calc(var(--header-height) + 28px);
}

.phone-strip img {
  background: var(--quiet);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 20px 54px rgba(21, 24, 23, 0.12);
}

.phone-strip img:nth-child(2) {
  margin-top: 58px;
}

.feature-list {
  display: grid;
  gap: 0;
}

.feature-list article {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 24px;
  grid-template-columns: 48px minmax(0, 1fr);
  padding: clamp(22px, 4vw, 38px) 0;
  transition:
    border-color 180ms ease,
    transform 180ms ease;
}

.feature-list article:last-child {
  border-bottom: 1px solid var(--line);
}

.feature-list article:hover {
  border-color: rgba(31, 143, 101, 0.48);
  transform: translateX(4px);
}

.feature-list span {
  color: var(--purple);
  font-weight: 900;
}

.feature-list p,
.founder-profile li,
footer {
  color: var(--soft-ink);
}

.founders {
  background: var(--paper);
}

.founders h2 {
  max-width: none;
  text-align: center;
}

.founder-grid {
  border-top: 1px solid var(--line);
  display: grid;
  gap: clamp(24px, 5vw, 58px);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
  padding: clamp(30px, 5vw, 56px) 0 0;
}

.founder-profile {
  display: grid;
  gap: 18px;
}

.founder-profile img {
  aspect-ratio: 1 / 1;
  border-radius: 8px;
  object-fit: cover;
  width: min(100%, 300px);
}

.founder-profile h3 {
  font-size: 1.56rem;
  margin-bottom: 0;
}

.founder-profile ul {
  display: grid;
  gap: 10px;
  list-style-position: outside;
  margin: 0;
  padding-left: 20px;
}

.closing {
  align-items: end;
  background: var(--deep);
  color: white;
  display: grid;
  gap: 34px;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 500px);
}

.closing .section-kicker,
.closing p {
  color: #cce8d8;
}

.closing h2 {
  max-width: 12ch;
}

.closing-download {
  margin-top: 12px;
}

.waitlist-form {
  display: grid;
  gap: 12px;
}

.waitlist-form label {
  color: #e7f7ed;
  font-weight: 800;
}

.form-line {
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr) auto;
}

input {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 8px;
  color: var(--ink);
  font: inherit;
  min-height: 48px;
  min-width: 0;
  padding: 0 14px;
}

input:focus {
  outline: 3px solid rgba(31, 143, 101, 0.42);
}

footer {
  align-items: center;
  background: white;
  display: flex;
  justify-content: space-between;
  padding: 24px clamp(20px, 6vw, 76px);
}

footer p {
  font-weight: 900;
  margin: 0;
}

footer a {
  color: var(--accent-dark);
  font-weight: 800;
  text-decoration: none;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes settle-in {
  from {
    opacity: 0;
    transform: translateY(26px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}

@media (max-width: 980px) {
  .site-header {
    height: auto;
    min-height: var(--header-height);
  }

  .hero,
  .workflow-grid,
  .closing {
    grid-template-columns: 1fr;
  }

  .hero {
    background: var(--paper);
    min-height: auto;
  }

  h1 {
    font-size: 6.2rem;
    max-width: 9ch;
  }

  h2 {
    font-size: 3.7rem;
  }

  .phone-strip {
    max-width: 520px;
    position: static;
  }

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

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding-bottom: 14px;
    padding-top: 14px;
  }

  nav {
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .hero {
    padding-top: 38px;
  }

  h1 {
    font-size: 4.35rem;
  }

  h2 {
    font-size: 2.65rem;
  }

  h3 {
    font-size: 1.14rem;
  }

  .subtitle {
    font-size: 1.24rem;
  }

  .hero-text,
  .closing p {
    font-size: 1.04rem;
  }

  .hero-actions,
  .form-line,
  footer {
    align-items: stretch;
    flex-direction: column;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .phone-strip {
    grid-template-columns: 1fr 1fr;
  }

  .phone-strip img:nth-child(2) {
    margin-top: 28px;
  }

  .feature-list article {
    gap: 12px;
    grid-template-columns: 1fr;
  }
}