@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@600;700&family=Inter:wght@400;500;600&display=swap");

:root {
  --color-primary: #34A0FF;
  --color-secondary: #5293CC;
  --color-mid: #5C7C99;
  --color-dark: #525C66;
  --color-deepest: #292E33;
  --color-accent: #FFB033;
  --color-bg: #F8FAFB;

  --border-hairline: rgba(92, 124, 153, 0.15);
  --border-hairline-strong: rgba(92, 124, 153, 0.2);
  --border-card: rgba(92, 124, 153, 0.18);
  --border-dot: rgba(92, 124, 153, 0.3);
  --image-placeholder-bg: #dce5ee;

  --font-heading: "DM Sans", sans-serif;
  --font-body: "Inter", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-deepest);
  background-color: var(--color-bg);
}

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

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

.container {
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Navbar */

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--border-hairline-strong);
}

.navbar__row {
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.navbar__links {
  display: none;
  align-items: center;
  gap: 2rem;
}

@media (min-width: 768px) {
  .navbar__links {
    display: flex;
  }
  .navbar__toggle {
    display: none;
  }
}

.navbar__link {
  position: relative;
  color: var(--color-dark);
  font-size: 0.875rem;
  font-weight: 500;
  padding-bottom: 2px;
}

.navbar__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 1px;
  width: 0;
  background: var(--color-primary);
  transition: width 0.2s ease;
}

.navbar__link:hover::after {
  width: 100%;
}

.navbar__toggle {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

.navbar__toggle-bar {
  display: block;
  height: 1px;
  width: 1.25rem;
  background: var(--color-deepest);
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}

.navbar[data-open="true"] .navbar__toggle-bar:nth-child(1) {
  transform: rotate(45deg) translateY(8px);
}

.navbar[data-open="true"] .navbar__toggle-bar:nth-child(2) {
  opacity: 0;
}

.navbar[data-open="true"] .navbar__toggle-bar:nth-child(3) {
  transform: rotate(-45deg) translateY(-8px);
}

.navbar__mobile-menu {
  display: none;
  background: #fff;
  padding: 0 1.5rem 1rem;
  border-top: 1px solid var(--border-hairline);
}

.navbar[data-open="true"] .navbar__mobile-menu {
  display: block;
}

.navbar__mobile-link {
  display: block;
  padding: 0.75rem 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-dark);
  border-bottom: 1px solid var(--border-hairline);
}

.navbar__mobile-link:last-child {
  border-bottom: none;
}

@media (min-width: 768px) {
  .navbar__mobile-menu {
    display: none !important;
  }
}

/* Hero */

.hero {
  padding-block: 3rem;
  border-bottom: 1px solid var(--border-hairline);
}

.hero__eyebrow {
  color: var(--color-mid);
  font-family: var(--font-body);
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 600;
  margin: 0 0 0.75rem;
}

.hero__title {
  font-family: var(--font-heading);
  color: var(--color-deepest);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.15;
  max-width: 40rem;
  margin: 0;
}

@media (min-width: 768px) {
  .hero__title {
    font-size: 3rem;
  }
}

.hero__subtext {
  color: var(--color-dark);
  margin-top: 1rem;
  font-size: 1rem;
  line-height: 1.6;
  max-width: 36rem;
}

/* Section heading row */

.section-heading-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.section-heading-row__eyebrow {
  font-family: var(--font-heading);
  color: var(--color-mid);
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.section-heading-row__title {
  font-family: var(--font-heading);
  color: var(--color-deepest);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
}

.section-heading-row__meta {
  color: var(--color-mid);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
}

.section-link {
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 500;
}

.section-link:hover {
  text-decoration: underline;
}

/* Blog carousel */

.carousel {
  background: #fff;
  border-bottom: 1px solid var(--border-hairline);
}

.carousel__inner {
  padding-block: 2.5rem;
}

.carousel__slide {
  display: none;
}

.carousel__slide[data-active="true"] {
  display: grid;
}

.carousel__text {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.carousel__tag {
  align-self: flex-start;
  background: var(--color-accent);
  color: var(--color-deepest);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.125rem 0.5rem;
}

.carousel__title {
  font-family: var(--font-heading);
  color: var(--color-deepest);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
}

.carousel__excerpt {
  color: var(--color-dark);
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0;
}

.carousel__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-mid);
  font-size: 0.75rem;
  margin-top: 0.25rem;
}

.carousel__meta-divider {
  opacity: 0.4;
}

.carousel__readmore {
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: 0.25rem;
  align-self: flex-start;
}

.carousel__readmore:hover {
  text-decoration: underline;
}

.carousel__image-wrap {
  position: relative;
  overflow: hidden;
  background: var(--image-placeholder-bg);
  aspect-ratio: 16 / 9;
}

.carousel__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel__dots {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.carousel__dot {
  height: 2px;
  width: 1rem;
  background: var(--border-dot);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: all 0.25s ease;
}

.carousel__dot[data-active="true"] {
  width: 2rem;
  background: var(--color-primary);
}

/* Post card (blog index) */

.post-card {
  background: #fff;
  border: 1px solid var(--border-card);
  display: flex;
  flex-direction: column;
}

.post-card__image-wrap {
  background: var(--image-placeholder-bg);
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.post-card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.post-card__tag {
  align-self: flex-start;
  background: var(--color-accent);
  color: var(--color-deepest);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.125rem 0.5rem;
}

.post-card__title {
  font-family: var(--font-heading);
  color: var(--color-deepest);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
}

.post-card__excerpt {
  color: var(--color-dark);
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

.post-card__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-mid);
  font-size: 0.75rem;
}

/* App showcase */

.apps-section {
  padding-block: 4rem;
}

.app-card {
  background: #fff;
  border: 1px solid var(--border-card);
  display: flex;
  flex-direction: column;
}

.app-card__image-wrap {
  background: var(--image-placeholder-bg);
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.app-card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.app-card__heading {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.app-card__name {
  font-family: var(--font-heading);
  color: var(--color-deepest);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
}

.app-card__tagline {
  color: var(--color-mid);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
}

.app-card__description {
  color: var(--color-dark);
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

.app-card__link {
  align-self: flex-start;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  margin-top: 0.25rem;
}

.app-card__link:hover {
  text-decoration: underline;
}

/* Blog post article */

.post {
  padding-block: 3rem;
}

.post__hero {
  background: var(--image-placeholder-bg);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  margin-bottom: 2rem;
}

.post__hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post__tag {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-deepest);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.125rem 0.5rem;
  margin-bottom: 0.75rem;
}

.post__title {
  font-family: var(--font-heading);
  color: var(--color-deepest);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 1rem;
}

.post__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-mid);
  font-size: 0.8125rem;
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-hairline);
}

.post__body {
  color: var(--color-dark);
  font-size: 1rem;
  line-height: 1.75;
}

.post__body h2,
.post__body h3 {
  font-family: var(--font-heading);
  color: var(--color-deepest);
}

.post__body p {
  margin: 0 0 1.25rem;
}

.post__back {
  display: inline-block;
  margin-top: 2.5rem;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 500;
}

.post__back:hover {
  text-decoration: underline;
}

/* Simple content page (about, blog index) */

.page {
  padding-block: 3rem;
}

.page__title {
  font-family: var(--font-heading);
  color: var(--color-deepest);
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 1rem;
}

.page__intro {
  color: var(--color-dark);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 40rem;
  margin: 0 0 2.5rem;
}

.blog-index__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .blog-index__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.empty-state {
  color: var(--color-mid);
  font-size: 0.875rem;
  border: 1px dashed var(--border-card);
  padding: 2rem;
  text-align: center;
}

/* Coming-soon app landing page */

.app-landing__tagline {
  color: var(--color-mid);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.app-landing__signup {
  background: #fff;
  border: 1px solid var(--border-card);
  padding: 2rem 1.5rem;
  max-width: 40rem;
  margin-bottom: 2.5rem;
}

.app-landing__heading {
  font-family: var(--font-heading);
  color: var(--color-deepest);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.app-landing__text {
  color: var(--color-dark);
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0 0 1.25rem;
}

.signup {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 560px) {
  .signup {
    flex-direction: row;
  }
}

.signup__input {
  flex: 1;
  min-width: 0;
  font: inherit;
  font-size: 0.875rem;
  color: var(--color-deepest);
  background: var(--color-bg);
  border: 1px solid var(--border-hairline-strong);
  border-radius: 0;
  padding: 0.625rem 0.75rem;
}

.signup__input:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -1px;
}

.signup__button {
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: 0;
  padding: 0.625rem 1.25rem;
  cursor: pointer;
}

.signup__button:hover {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
}

.signup__button:disabled {
  opacity: 0.6;
  cursor: default;
}

.signup__honeypot {
  position: absolute;
  left: -9999px;
}

.signup__status {
  font-size: 0.8125rem;
  color: var(--color-mid);
  margin: 0.75rem 0 0;
}

.signup__status:empty {
  display: none;
}

.signup__status[data-state="success"] {
  color: var(--color-deepest);
  font-weight: 600;
}

/* Shown when the sign-up endpoint redirects a no-JS form post back to #subscribed. */
.signup__thanks {
  display: none;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-deepest);
  margin: 0.75rem 0 0;
}

.signup__thanks:target {
  display: block;
}

/* Footer */

.footer {
  border-top: 1px solid var(--border-hairline);
  background: #fff;
}

.footer__row {
  max-width: 72rem;
  margin-inline: auto;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

@media (min-width: 768px) {
  .footer__row {
    flex-direction: row;
  }
}

.footer__wordmark {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.875rem;
}

.footer__copy {
  color: var(--color-mid);
  font-size: 0.75rem;
}

.footer__links {
  display: flex;
  gap: 1.5rem;
}

.footer__link {
  color: var(--color-mid);
  font-size: 0.75rem;
}

.footer__link:hover {
  text-decoration: underline;
}