:root {
  --cream: #fffde8;
  --ink: #171815;
  --ink-soft: #2b2b27;
  --muted: #77786e;
  --line: #dfddc5;
  --lavender: #edcffd;
  --lavender-deep: #d9a8f5;
  --orange: #ffa43b;
  --green: #00594d;
  --green-bright: #00a982;
  --wine: #5b0019;
  --serif: Georgia, "Times New Roman", Times, serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  font-family: var(--sans);
}

* {
  box-sizing: border-box;
}

html,
body {
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(circle at 10% 8%, rgba(237, 207, 253, 0.38), transparent 18rem),
    radial-gradient(circle at 86% 2%, rgba(255, 164, 59, 0.16), transparent 18rem),
    var(--cream);
  color: var(--ink);
  margin: 0;
  min-height: 100vh;
}

body::before,
body::after {
  color: rgba(25, 26, 23, 0.055);
  font-family: var(--serif);
  font-size: clamp(5.5rem, 13vw, 16rem);
  line-height: 0.8;
  pointer-events: none;
  position: fixed;
  z-index: -1;
}

body::before {
  content: "Signal";
  left: -3vw;
  top: 18vh;
  transform: rotate(-11deg);
}

body::after {
  bottom: 4vh;
  content: "Fifteen";
  right: -5vw;
  transform: rotate(7deg);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

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

h1,
p {
  margin-top: 0;
}

.sf2-topbar {
  align-items: center;
  background: rgba(255, 253, 232, 0.88);
  border: 3px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 10px 0 rgba(25, 26, 23, 0.05);
  display: grid;
  gap: 28px;
  grid-template-columns: auto 1fr auto;
  margin: 22px auto 0;
  max-width: 1460px;
  padding: 14px 18px 14px 24px;
  position: relative;
  width: calc(100% - 48px);
  z-index: 20;
}

.sf2-brand {
  align-items: center;
  display: flex;
  gap: 12px;
}

.sf2-mark {
  align-items: end;
  display: inline-flex;
  gap: 3px;
  height: 32px;
}

.sf2-mark i {
  background: var(--ink);
  border-radius: 999px;
  display: block;
  width: 5px;
}

.sf2-mark i:nth-child(1) { height: 18px; }
.sf2-mark i:nth-child(2) { height: 28px; }
.sf2-mark i:nth-child(3) { height: 13px; }
.sf2-mark i:nth-child(4) { height: 23px; }

.sf2-brand strong {
  font-size: clamp(1.45rem, 2.2vw, 2.05rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
}

.sf2-topbar nav {
  align-items: center;
  border-left: 2px solid var(--line);
  border-right: 2px solid var(--line);
  display: flex;
  gap: clamp(18px, 4vw, 56px);
  justify-content: center;
  min-height: 58px;
}

.sf2-topbar nav a {
  font-size: 1rem;
  font-weight: 850;
}

.pill-button {
  background: var(--lavender);
  border: 3px solid var(--ink);
  border-radius: 16px;
  box-shadow: 0 4px 0 var(--ink);
  color: var(--ink);
  font-weight: 950;
  padding: 13px 22px;
  transition:
    box-shadow 0.14s ease,
    transform 0.14s ease;
}

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

.pill-button:hover {
  box-shadow: 0 1px 0 var(--ink);
  transform: translateY(3px);
}

main {
  margin: 0 auto;
  max-width: 1780px;
  padding: clamp(18px, 2.8vw, 38px) clamp(20px, 4vw, 64px) 44px;
}

.sf2-hero {
  align-items: center;
  background: rgba(255, 253, 232, 0.74);
  border: 3px solid var(--line);
  border-radius: 28px;
  display: grid;
  gap: clamp(28px, 4.4vw, 60px);
  grid-template-columns: minmax(0, 1fr) minmax(330px, 450px);
  min-height: 0;
  padding: clamp(20px, 2.5vw, 36px);
}

.hero-text {
  max-width: 930px;
}

.eyebrow {
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.14em;
  margin: 0 0 12px;
  text-transform: uppercase;
}

.source-row {
  align-items: center;
  display: flex;
  gap: 10px;
  margin: 16px 0 8px;
}

.source-row span {
  align-items: center;
  border: 3px solid var(--ink);
  border-radius: 999px;
  color: var(--ink);
  display: inline-flex;
  flex: 0 0 auto;
  font-weight: 950;
  height: 42px;
  justify-content: center;
  letter-spacing: -0.03em;
  min-width: 0;
  padding: 0 18px;
  width: auto;
}

.source-row .logo-listen {
  background: var(--green-bright);
  color: var(--cream);
  font-size: 0.95rem;
}

.source-row .logo-yc {
  background: var(--orange);
  color: var(--ink);
  font-size: 1.05rem;
}

.source-row .logo-20vc {
  background: var(--ink);
  color: var(--cream);
  font-size: 0.92rem;
}

.source-row .logo-serval {
  background: var(--green);
  color: var(--cream);
  font-size: 0.95rem;
}

.source-row .logo-a16z {
  background: var(--wine);
  color: var(--cream);
  font-size: 0.95rem;
}

.hero-text h1 {
  font-family: var(--serif);
  font-size: clamp(3rem, 4vw, 5rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1;
  margin: 0 0 20px;
  max-width: 880px;
}

.hero-subcopy {
  color: var(--muted);
  font-size: clamp(1rem, 1.2vw, 1.22rem);
  font-weight: 850;
  letter-spacing: -0.035em;
  line-height: 1.28;
  max-width: 690px;
}

.profile-card {
  background: var(--lavender);
  border: 4px solid var(--ink);
  border-radius: 36px;
  box-shadow: 0 0 0 6px var(--cream);
  display: grid;
  gap: 16px;
  padding: clamp(26px, 2.4vw, 36px);
}

.profile-card h2 {
  font-size: clamp(1.45rem, 2vw, 2rem);
  font-weight: 950;
  letter-spacing: -0.055em;
  line-height: 1.02;
  margin: 0 0 2px;
}

.profile-card label {
  color: var(--ink);
  display: grid;
  font-size: 0.98rem;
  font-weight: 950;
  gap: 8px;
}

.profile-card input {
  background: var(--cream);
  border: 3px solid var(--ink);
  border-radius: 18px;
  color: var(--ink);
  font-weight: 850;
  outline: 0;
  padding: 14px 18px;
  width: 100%;
}

.profile-card input::placeholder {
  color: rgba(23, 24, 21, 0.48);
}

.profile-card input:focus {
  box-shadow: 0 0 0 5px rgba(255, 253, 232, 0.8);
}

.profile-card .pill-button {
  margin-top: 8px;
}

.privacy-note {
  color: rgba(23, 24, 21, 0.62);
  font-size: 0.95rem;
  font-weight: 850;
  line-height: 1.35;
  margin: 4px 0 0;
}

.profile-card.is-submitted {
  background:
    radial-gradient(circle at 70% 20%, rgba(255, 253, 232, 0.35), transparent 9rem),
    var(--lavender);
}

@media (max-width: 1050px) {
  .sf2-topbar {
    grid-template-columns: 1fr auto;
    padding: 0 28px;
  }

  .sf2-topbar nav {
    display: none;
  }

  main {
    padding: 36px 28px;
  }

  .sf2-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .sf2-hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .sf2-topbar {
    margin-top: 34px;
    padding: 0 18px;
  }

  .sf2-brand strong {
    font-size: 1.7rem;
  }

  main {
    padding: 28px 18px;
  }

  .source-row span {
    height: 48px;
    min-width: 48px;
    padding: 0 14px;
  }

  .hero-text h1 {
    font-size: clamp(2.6rem, 12vw, 4rem);
  }

  .hero-subcopy {
    font-size: 1.08rem;
  }

  .profile-card {
    border-radius: 34px;
    padding: 26px;
  }
}