/* Design tokens and rules mirror https://www.ironcalc.com (ironcalc.github.io/styles.css) */

:root {
  --primary-main: #f2994a;
  --primary-light: #efaa6d;
  --primary-dark: #d68742;
  --primary-contrastText: #ffffff;

  --secondary-main: #2f80ed;

  --warning-main: #f2c94c;

  --info-main: #9e9e9e;
  --info-light: #e0e0e0;
  --info-dark: #757575;

  --grey-50: #f2f2f2;
  --grey-100: #f5f5f5;
  --grey-200: #eeeeee;
  --grey-300: #e0e0e0;
  --grey-400: #bdbdbd;
  --grey-500: #9e9e9e;
  --grey-600: #757575;
  --grey-700: #616161;
  --grey-800: #424242;
  --grey-900: #333333;

  --dark: #272525;

  --container-width: 1020px;
  --container-margin: min(var(--container-width), calc(100% - 40px));
}

/* Basic CSS reset */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 128%;
  color: var(--dark);
  background-color: var(--grey-50);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary-main);
  text-decoration: none;
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

img {
  display: block;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  background-color: var(--grey-100);
  border-radius: 4px;
  padding: 1px 5px;
}

/* Typography */

h1 {
  font-size: 40px;
  line-height: 110%;
}

h2 {
  font-size: 28px;
  line-height: 110%;
  font-weight: 400;
}

h2.small {
  font-size: 18px;
}

h3 {
  font-size: 16px;
  line-height: 120%;
  font-weight: 400;
}

.ff-mozilla {
  font-family: "Mozilla Headline", "Helvetica Neue", Arial, sans-serif;
}

.font-w-500 {
  font-weight: 500;
}

.font-w-700 {
  font-weight: 700;
}

.orange {
  color: var(--primary-main);
}

.grey-700 {
  color: var(--grey-700);
}

.p-16 {
  font-size: 16px;
  line-height: 128%;
}

.text-pretty {
  text-wrap: pretty;
}

/* Layout: a 1020px column framed by vertical rules */

.w-1020 {
  width: var(--container-margin);
  max-width: var(--container-margin);
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

.b-both {
  border-left: 1px solid var(--grey-300);
  border-right: 1px solid var(--grey-300);
}

.h-divider {
  height: 1px;
  min-height: 1px;
  width: 100%;
  background-color: var(--grey-300);
}

.flex-h {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.flex-v {
  display: flex;
  flex-direction: column;
}

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

.gap-xs {
  gap: 4px;
}

.gap-sm {
  gap: 8px;
}

.gap-md {
  gap: 16px;
}

.gap-lg {
  gap: 24px;
}

.gap-2xl {
  gap: 40px;
}

.a-items-flex-start {
  align-items: flex-start;
}

.a-items-center {
  align-items: center;
}

.j-content-center {
  justify-content: center;
}

.j-content-flex-end {
  justify-content: flex-end;
}

.j-content-space-between {
  justify-content: space-between;
}

.px-2xl {
  padding-left: 40px;
  padding-right: 40px;
}

.px-4xl {
  padding-left: 80px;
  padding-right: 80px;
}

.py-base {
  padding-top: 12px;
  padding-bottom: 12px;
}

.py-3xl {
  padding-top: 60px;
  padding-bottom: 60px;
}

.py-4xl {
  padding-top: 80px;
  padding-bottom: 80px;
}

.w-140 {
  width: 140px;
}

.w-200 {
  width: 200px;
}

.w-20px {
  width: 20px;
}

.w-140px {
  width: 140px;
}

.img-60pc {
  width: 60%;
}

.block-w-full {
  width: 100%;
  display: block;
}

.radius-xl {
  border-radius: 20px;
}

.ml-34 {
  margin-left: 34px;
}

.nowrap {
  text-wrap: nowrap;
}

.opacity-50 {
  opacity: 0.5;
}

/* Buttons */

.button {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 40px;
  padding: 0.5rem 1rem;
  font-size: 14px;
  font-family: inherit;
  background: var(--primary-main);
  color: var(--primary-contrastText);
  border: 1px solid var(--primary-dark);
  border-radius: 9999px;
  box-shadow: rgba(0, 0, 0, 0.04) 0px 2px 2px 0px;
  transition: all 0.2s ease-in-out;
  text-wrap: nowrap;
  cursor: pointer;
}

.button:hover {
  background: var(--primary-dark);
  color: var(--primary-contrastText);
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  backdrop-filter: blur(1.5px);
  color: var(--dark);
  border: none;
  box-shadow: none;
}

.button.secondary:hover {
  background: var(--info-light);
  color: var(--dark);
}

/* Banner */

.banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 24px;
  font-size: 13px;
  font-weight: 500;
  text-align: center;
  color: #915930;
  background-color: rgba(242, 201, 76, 0.18);
  box-shadow: 0px -1px 0px 0px rgba(242, 153, 74, 0.35) inset;
}

.banner svg {
  flex-shrink: 0;
}

/* Top navigation */

nav {
  position: sticky;
  top: 0;
  width: 100%;
  height: 64px;
  z-index: 1000;
  background-color: var(--grey-50);
  box-shadow: 0px -1px 0px 0px var(--grey-300) inset;
  transition: all 0.4s ease-in-out;
}

nav a {
  color: var(--dark);
}

.nav-container {
  max-width: var(--container-margin);
  margin-left: auto;
  margin-right: auto;
  padding: 0px 40px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  box-sizing: border-box;
}

.logo a {
  display: flex;
  width: fit-content;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.logo img {
  height: 24px;
  width: auto;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
}

nav ul li a {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 4px;
  padding: 0.6rem;
  text-decoration: none;
}

nav ul li a:hover {
  background: var(--grey-100);
  border-radius: 12px;
  text-decoration: none;
}

/* Header / hero */

.hero {
  margin: 0px auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: left;
}

.hero-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  width: var(--container-width);
  max-width: calc(100% - 40px);
  margin-left: 20px;
  margin-right: 20px;
  padding: 80px;
  box-sizing: border-box;
}

.hero-text h2 {
  font-size: 24px;
  font-weight: 300;
  line-height: 140%;
  color: var(--grey-700);
  max-width: 680px;
}

/* Sections */

.section-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
}

.section-head p {
  color: var(--grey-700);
  max-width: 620px;
}

/* Cards */

/* Two columns inside the 1020px column, one below ~700px */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
  gap: 24px;
}

.card {
  display: flex;
  flex-direction: column;
  height: auto;
  padding: 32px;
  border: 1px rgba(0, 0, 0, 0.08) solid;
  border-radius: 12px;
  backdrop-filter: blur(1px);
  background-color: white;
  color: var(--grey-900);
  box-shadow: rgba(0, 0, 0, 0.04) 0px 2px 2px 0px;
  transition: all 0.2s ease-in-out;
  text-wrap: pretty;
  overflow: hidden;
}

a.card:hover {
  transform: translateY(-4px);
  box-shadow: rgba(0, 0, 0, 0.08) 0px 8px 24px 0px;
  border-color: rgba(0, 0, 0, 0.12);
  text-decoration: none;
}

.card h2 {
  color: var(--dark);
}

.card p {
  margin-top: 8px;
  color: var(--grey-700);
  line-height: 150%;
  flex-grow: 1;
}

/* Logos come in two shapes, square marks and wordmarks: line them up by height */
.card .card-logo {
  align-self: flex-start;
  height: 24px;
  width: auto;
  margin-bottom: 20px;
}

.card .link {
  margin-top: 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary-main);
}

a.card:hover .link {
  color: var(--primary-dark);
}

/* Footer */

footer {
  margin: 0px auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.footer-nav {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 16px;
}

.footer-nav a {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  color: var(--grey-700);
}

.footer-nav p {
  color: var(--dark);
}

/* Funding badges */

.footer-badge-box {
  min-width: 36px;
  height: 36px;
  background-color: #003399;
  border: 1px solid var(--grey-300);
}

.footer-badge-box-grey {
  min-width: 36px;
  height: 36px;
  background-color: var(--grey-200);
  border: 1px solid var(--grey-300);
}

#footer-legal {
  font-size: 12px;
  line-height: 128%;
  color: var(--grey-700);
}

#footer-legal a {
  color: var(--primary-main);
}

#footer-legal a:hover {
  color: var(--primary-dark);
  cursor: pointer;
}

/* Responsive: same breakpoints and values as https://www.ironcalc.com */

@media only screen and (max-width: 1024px) {
  .nav-container {
    padding: 0 24px;
  }

  .hero-text {
    padding: 60px 24px;
  }

  .px-4xl {
    padding-left: 24px;
    padding-right: 24px;
  }

  .footer-main {
    flex-wrap: wrap;
    gap: 32px;
  }

  .footer-nav {
    flex-wrap: wrap;
    gap: 24px;
  }

  #footer-legal .flex-h {
    flex-wrap: wrap;
    gap: 12px;
  }
}

@media only screen and (max-width: 800px) {
  /* for tablets */

  .nav-container {
    padding: 0 20px;
  }

  /* No hamburger menu here, so the section links simply drop out */
  .nav-container ul {
    display: none;
  }

  .logo.w-200,
  .nav-container .w-200 {
    width: auto;
  }

  .hero-text {
    padding: 48px 20px;
  }

  h1 {
    font-size: clamp(36px, 9vw, 54px);
    line-height: 110%;
  }

  .footer-nav .w-140 {
    width: 100px;
  }

  footer .footer-logo-xl {
    filter: drop-shadow(0 0 0.5px #e0e0e0);
  }
}

@media only screen and (max-width: 580px) {
  /* for mobile */

  .px-2xl {
    padding-left: 24px;
    padding-right: 24px;
  }

  .nav-container {
    padding: 0 16px;
  }

  /* Only the primary action stays in the bar */
  .nav-container .button.secondary {
    display: none;
  }

  .hero-text {
    padding: 48px 16px;
  }

  h1 {
    font-size: 9vw;
    line-height: 110%;
  }

  h2.small {
    font-size: 16px;
  }

  .hero-text h1 {
    font-size: clamp(30px, 8vw, 46px);
  }

  .hero-text h2 {
    font-size: clamp(12px, 5vw, 20px);
  }

  .card {
    padding: 24px;
  }

  .footer-main {
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
  }

  #footer-logo {
    flex-direction: column;
    width: 100%;
  }

  #footer-logo .flex-v.gap-sm.w-140 {
    margin-left: 0;
  }

  #footer-logo .flex-v.gap-xs > p {
    margin-left: 34px;
  }

  .footer-nav {
    flex-direction: column;
    flex-wrap: nowrap;
    width: 100%;
    gap: 24px;
  }

  .footer-nav .w-140 {
    width: 100%;
  }

  #footer-legal .flex-h.j-content-space-between {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}