:root {
  --ink: #17202c;
  --body: #313946;
  --muted: #687282;
  --line: #dfe4ea;
  --paper: #ffffff;
  --soft: #f6f8fb;
  --nickel: #3136a4;
  --parachute: #3a2a83;
  --tether: #13a6df;
  --tandem: #004f5d;
  --shadow: 0 18px 54px rgba(32, 43, 63, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

img,
svg {
  display: block;
}

img {
  max-width: 100%;
}

.site-header {
  align-items: center;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(223, 228, 234, 0.75);
  display: grid;
  gap: 24px;
  grid-template-columns: auto 1fr;
  left: 0;
  padding: 18px max(24px, calc((100vw - 1120px) / 2));
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand img {
  height: 50px;
  object-fit: contain;
  object-position: left center;
  width: 298px;
}

.header-actions {
  align-items: center;
  display: flex;
  gap: 34px;
  justify-content: flex-end;
}

.main-nav {
  align-items: center;
  display: flex;
  gap: 30px;
  justify-content: flex-end;
}

.main-nav a {
  color: var(--body);
  font-size: 14px;
  font-weight: 700;
}

.button {
  align-items: center;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  height: 48px;
  justify-content: center;
  min-width: 116px;
  padding: 0 24px;
  white-space: nowrap;
}

.button-outline {
  background: var(--paper);
  border: 1.5px solid var(--nickel);
  color: var(--nickel);
}

.button-solid {
  background: var(--nickel);
  border: 1.5px solid var(--nickel);
  color: var(--paper);
}

.signin-wrap {
  position: relative;
}

.signin-menu {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  min-width: 320px;
  padding: 10px;
  position: absolute;
  right: 0;
  top: calc(100% + 12px);
}

.signin-menu a {
  align-items: center;
  border-radius: 8px;
  display: grid;
  gap: 14px;
  grid-template-columns: 88px 1fr;
  padding: 12px;
}

.signin-menu a:hover,
.signin-menu a:focus {
  background: var(--soft);
  outline: none;
}

.signin-menu img {
  height: 42px;
  object-fit: contain;
  width: 88px;
}

.signin-menu strong {
  color: var(--ink);
  display: block;
  font-size: 15px;
  margin-bottom: 2px;
}

.signin-menu span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.hero,
.apps-section,
.plain-section,
.partner-section {
  margin: 0 auto;
  max-width: 1120px;
  padding: 86px 24px;
}

.hero {
  align-items: center;
  display: grid;
  gap: 72px;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.78fr);
  min-height: auto;
  padding-bottom: 46px;
  padding-top: 58px;
}

.apps-section {
  padding-top: 42px;
}

.eyebrow {
  color: var(--nickel);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

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

h1 {
  color: var(--ink);
  font-size: clamp(44px, 6vw, 76px);
  letter-spacing: 0;
  line-height: 1.02;
  margin-bottom: 24px;
  max-width: 790px;
}

h2 {
  color: var(--ink);
  font-size: clamp(32px, 4vw, 52px);
  letter-spacing: 0;
  line-height: 1.08;
  margin-bottom: 0;
}

.hero-copy > p:not(.eyebrow),
.partner-copy p {
  color: var(--muted);
  font-size: 20px;
  line-height: 1.6;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-photo {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  min-height: 430px;
  overflow: hidden;
}

.hero-photo img {
  height: 100%;
  min-height: 430px;
  object-fit: cover;
  object-position: center;
  width: 100%;
}

.section-heading {
  display: block;
  margin-bottom: 34px;
  text-align: center;
}

.section-heading h2 {
  margin-left: auto;
  margin-right: auto;
  max-width: 760px;
}

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

.app-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  min-height: 360px;
  padding: 28px;
}

.app-card img {
  height: 92px;
  margin-bottom: 28px;
  object-fit: contain;
  object-position: left center;
  width: 100%;
}

.app-card p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}

.app-link {
  align-items: center;
  border-radius: 8px;
  color: var(--ink);
  display: inline-flex;
  font-size: 14px;
  font-weight: 900;
  height: 46px;
  justify-content: center;
  margin-top: auto;
  padding: 0 18px;
}

.parachute-card {
  border-top: 5px solid var(--parachute);
}

.parachute-card .app-link {
  background: rgba(58, 42, 131, 0.08);
  color: var(--parachute);
}

.tether-card {
  border-top: 5px solid var(--tether);
}

.tether-card .app-link {
  background: rgba(19, 166, 223, 0.1);
  color: #006b91;
}

.tandem-card {
  border-top: 5px solid var(--tandem);
}

.tandem-card .app-link {
  background: rgba(0, 79, 93, 0.09);
  color: var(--tandem);
}

.plain-section {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 50px;
  grid-template-columns: 0.9fr 1.1fr;
}

.mission-statement {
  margin: 0 auto;
  max-width: 1120px;
  padding: 64px 24px 0;
}

.mission-statement p {
  color: var(--body);
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.55;
  margin: 0;
  max-width: 980px;
}

.value-list {
  display: grid;
  gap: 12px;
}

.value-list p {
  background: var(--soft);
  border-left: 4px solid var(--nickel);
  border-radius: 8px;
  color: var(--body);
  font-size: 18px;
  line-height: 1.5;
  margin: 0;
  padding: 18px 20px;
}

.partner-section {
  align-items: start;
  display: grid;
  gap: 54px;
  grid-template-columns: 0.78fr 1.22fr;
}

.partner-form {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 24px;
}

.partner-form label {
  color: var(--ink);
  display: grid;
  font-size: 13px;
  font-weight: 900;
  gap: 8px;
}

.partner-form input,
.partner-form textarea {
  background: var(--paper);
  border: 1px solid #cfd6df;
  border-radius: 8px;
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  line-height: 1.4;
  padding: 13px 14px;
  width: 100%;
}

.partner-form input::placeholder,
.partner-form textarea::placeholder {
  font-weight: 400;
}

.partner-form textarea {
  resize: vertical;
}

.full-field,
.partner-form button,
.form-message {
  grid-column: 1 / -1;
}

.partner-form button {
  justify-self: start;
}

.form-message {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
}

.form-error {
  color: #a42a2a;
}

.partner-form button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.site-footer {
  background: #111826;
  color: #ffffff;
  padding: 56px max(24px, calc((100vw - 1120px) / 2)) 28px;
}

.footer-grid {
  align-items: start;
  display: grid;
  gap: 34px;
  grid-template-columns: 1.1fr 1fr 0.9fr;
}

.footer-logo img {
  height: 88px;
  object-fit: contain;
  object-position: left center;
  width: 242px;
}

.site-footer p {
  color: #c2c9d4;
  line-height: 1.55;
}

.footer-block h2 {
  color: #ffffff;
  font-size: 15px;
  margin-bottom: 16px;
}

.footer-block a {
  color: #c2c9d4;
  display: block;
  margin-bottom: 10px;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.social-links a {
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  display: inline-flex;
  height: 38px;
  justify-content: center;
  margin: 0;
  width: 38px;
}

.social-links svg {
  fill: none;
  height: 20px;
  stroke: #ffffff;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  width: 20px;
}

.social-links path,
.social-links rect,
.social-links circle {
  vector-effect: non-scaling-stroke;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 13px;
  margin: 36px 0 0;
  padding-top: 22px;
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .header-actions {
    gap: 18px;
  }

  .main-nav {
    gap: 18px;
  }

  .hero,
  .section-heading,
  .plain-section,
  .partner-section,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 42px;
    min-height: auto;
    padding-bottom: 42px;
    padding-top: 58px;
  }

  .hero-photo {
    max-width: 460px;
  }

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

@media (max-width: 640px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand img {
    height: 40px;
    width: 224px;
  }

  .site-header {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .header-actions {
    justify-content: space-between;
    width: 100%;
  }

  .main-nav {
    gap: 16px;
  }

  .button {
    min-width: 94px;
    padding: 0 16px;
  }

  .signin-menu {
    min-width: min(320px, calc(100vw - 32px));
    right: -16px;
  }

  .hero,
  .apps-section,
  .plain-section,
  .partner-section {
    padding: 58px 18px;
  }

  .hero {
    padding-bottom: 36px;
  }

  .apps-section {
    padding-top: 34px;
  }

  h1 {
    font-size: 42px;
  }

  .hero-copy > p:not(.eyebrow),
  .partner-copy p {
    font-size: 18px;
  }

  .hero-photo,
  .hero-photo img {
    min-height: 330px;
  }

  .partner-form {
    grid-template-columns: 1fr;
  }

  .app-card {
    min-height: 320px;
    padding: 22px;
  }

  .partner-form {
    padding: 18px;
  }
}