:root {
  color-scheme: light;
  --bg: #f6f6f2;
  --paper: #ffffff;
  --ink: #111315;
  --muted: #63686f;
  --faint: #ecece6;
  --line: #d9dcd5;
  --accent: #0f766e;
  --accent-2: #9a5b2f;
  --accent-soft: #dfeee9;
  --blue-soft: #e4ebf5;
  --success: #197044;
  --error: #a33131;
  --shadow: 0 24px 80px rgba(20, 24, 28, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(246, 246, 242, 0.96)),
    radial-gradient(circle at 14% 4%, rgba(15, 118, 110, 0.11), transparent 30%),
    radial-gradient(circle at 86% 18%, rgba(43, 76, 126, 0.1), transparent 28%),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: rgba(246, 246, 242, 0.88);
  backdrop-filter: blur(16px);
}

.brand {
  font-size: 1.02rem;
  font-weight: 850;
  letter-spacing: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 30px);
  color: var(--muted);
  font-size: 0.94rem;
}

.nav a {
  transition: color 160ms ease;
}

.nav a:hover {
  color: var(--ink);
}

.section,
.site-footer {
  width: min(1160px, calc(100vw - 40px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 72px);
  padding: clamp(62px, 9vw, 118px) 0 74px;
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(320px, 0.82fr);
  gap: clamp(36px, 7vw, 82px);
  align-items: center;
}

.hero-copy {
  width: 100%;
  min-width: 0;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(4rem, 8vw, 6.8rem);
  font-weight: 500;
  line-height: 0.9;
  overflow-wrap: anywhere;
}

h2 {
  margin-bottom: 20px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.25rem, 5.4vw, 4.8rem);
  font-weight: 500;
  line-height: 0.98;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.18rem;
  line-height: 1.25;
}

.hero-lede {
  max-width: 710px;
  margin-bottom: 32px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  line-height: 1.8;
  overflow-wrap: break-word;
}

.waitlist-form {
  width: min(100%, 620px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.waitlist-form input {
  width: 100%;
  min-width: 0;
  border: 0;
  border-radius: 6px;
  padding: 16px 18px;
  color: var(--ink);
  background: #f2f4f1;
  outline: none;
}

.waitlist-form input::placeholder {
  color: #8a9095;
}

.waitlist-form input:focus {
  box-shadow: 0 0 0 2px rgba(15, 118, 110, 0.24);
}

.waitlist-form button {
  min-width: 118px;
  border: 0;
  border-radius: 6px;
  padding: 0 22px;
  color: #fff;
  background: var(--ink);
  font-weight: 850;
  cursor: pointer;
  transition: background 160ms ease, transform 160ms ease, opacity 160ms ease;
}

.waitlist-form button:hover {
  background: var(--accent);
  transform: translateY(-1px);
}

.waitlist-form button:disabled {
  cursor: wait;
  opacity: 0.62;
  transform: none;
}

.form-note,
.form-message {
  max-width: 560px;
  color: var(--muted);
  font-size: 0.94rem;
}

.form-note {
  margin: 18px 0 0;
}

.form-message {
  min-height: 1.5em;
  margin: 12px 0 0;
}

.form-message[data-type="success"] {
  color: var(--success);
}

.form-message[data-type="error"] {
  color: var(--error);
}

.hero-visual {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 6px;
}

.hero-visual figcaption {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 28px;
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 8px;
  color: #fff;
  background: rgba(17, 19, 21, 0.72);
  backdrop-filter: blur(14px);
}

.hero-visual span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.hero-visual strong {
  font-size: clamp(1rem, 2vw, 1.24rem);
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--line);
}

.signal-strip div {
  min-height: 190px;
  padding: 26px;
  background: rgba(255, 255, 255, 0.8);
}

.signal-strip span,
.card-kicker,
.timeline span {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.signal-strip strong {
  display: block;
  margin: 18px 0 10px;
  font-size: 1.32rem;
}

.signal-strip p,
.section-intro p,
.section-heading p,
.resource-card p,
.article-row p,
.timeline p,
.about-copy p,
.site-footer p {
  color: var(--muted);
  line-height: 1.72;
}

.split-section {
  padding: 104px 0;
  display: grid;
  grid-template-columns: minmax(230px, 0.58fr) minmax(0, 1fr);
  gap: clamp(36px, 8vw, 96px);
  border-top: 1px solid var(--line);
}

.section-intro {
  max-width: 500px;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.resource-card {
  min-height: 300px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(247, 248, 244, 0.92)),
    var(--paper);
}

.resource-card:nth-child(2) {
  background:
    linear-gradient(180deg, rgba(228, 235, 245, 0.78), rgba(255, 255, 255, 0.9)),
    var(--paper);
}

.resource-card:nth-child(3) {
  background:
    linear-gradient(180deg, rgba(223, 238, 233, 0.8), rgba(255, 255, 255, 0.9)),
    var(--paper);
}

.card-kicker {
  display: inline-flex;
  margin-bottom: 66px;
}

.writing-section {
  padding: 104px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

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

.article-row {
  min-height: 106px;
  padding: 26px 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.article-row span {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(1.12rem, 2vw, 1.42rem);
  font-weight: 780;
}

.article-row p {
  margin-bottom: 0;
}

.article-row time {
  color: var(--muted);
  font-size: 0.92rem;
}

.now-section {
  padding: 104px 0;
  display: grid;
  grid-template-columns: minmax(240px, 0.42fr) minmax(0, 1fr);
  gap: clamp(36px, 8vw, 90px);
  border-top: 1px solid var(--line);
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.timeline h3 {
  margin-top: 18px;
}

.timeline p {
  margin-bottom: 0;
}

.about-section {
  padding: 104px 0 118px;
  display: grid;
  grid-template-columns: minmax(260px, 360px) minmax(0, 1fr);
  gap: clamp(36px, 8vw, 100px);
  align-items: center;
  border-top: 1px solid var(--line);
}

.portrait-card {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  display: grid;
  place-items: center;
  background:
    linear-gradient(145deg, rgba(15, 118, 110, 0.2), transparent 46%),
    linear-gradient(315deg, rgba(43, 76, 126, 0.18), transparent 48%),
    var(--paper);
  box-shadow: var(--shadow);
}

.portrait-mark {
  width: 112px;
  height: 112px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: rgba(255, 255, 255, 0.64);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 4.8rem;
}

.portrait-lines {
  position: absolute;
  right: 26px;
  bottom: 26px;
  left: 26px;
  display: grid;
  gap: 10px;
}

.portrait-lines span {
  height: 8px;
  border-radius: 999px;
  background: rgba(17, 19, 21, 0.12);
}

.portrait-lines span:nth-child(2) {
  width: 72%;
}

.portrait-lines span:nth-child(3) {
  width: 46%;
}

.about-copy {
  max-width: 720px;
}

.site-footer {
  padding: 54px 0 62px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  border-top: 1px solid var(--line);
}

.site-footer h2 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.site-footer p {
  max-width: 620px;
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 0.94rem;
}

.footer-links a:hover {
  color: var(--ink);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 960px) {
  .hero,
  .split-section,
  .now-section,
  .about-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 70px 0 78px;
  }

  .hero-visual {
    max-width: 640px;
  }

  .hero-visual img {
    aspect-ratio: 16 / 11;
  }

  .resource-grid,
  .signal-strip {
    grid-template-columns: 1fr;
  }

  .resource-card {
    min-height: 0;
  }

  .card-kicker {
    margin-bottom: 30px;
  }
}

@media (max-width: 760px) {
  .site-header {
    width: calc(100% - 28px);
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 10px 14px;
    padding-bottom: 4px;
  }

  .section,
  .site-footer {
    width: calc(100vw - 28px);
  }

  .split-section,
  .writing-section,
  .now-section,
  .about-section {
    padding: 76px 0;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: clamp(3rem, 13vw, 3.35rem);
  }

  .hero-lede {
    font-size: 1rem;
  }

  .waitlist-form {
    width: 100%;
    max-width: 100%;
    grid-template-columns: 1fr;
  }

  .waitlist-form button {
    min-height: 52px;
  }

  .signal-strip div {
    min-height: 0;
  }

  .article-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .hero-visual figcaption {
    left: 20px;
    right: 20px;
    bottom: 20px;
  }

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