/*
 * Marketing OS — the public website (resources/views/site).
 *
 * The brand's own colours, sampled from its mark: the loop's red, deepened
 * where text sits on it so it reads, and the wordmark's ink. Alexandria, in
 * light weights, for English and Arabic alike (the Injaz site's Arabic face
 * too); Noto Sans Arabic for Kurdish, whose letters Alexandria does not have.
 * In English at "/" and Arabic, right to left, under "/ar".
 */

:root {
  --red-bright-light: #fa0211;
  --red-light: #d90617;
  --red-dark: #ff5a5f;
  --ink-light: #1b1b1b;
  --ink-dark: #f1f1ef;
  --paper-light: #ffffff;
  --paper-dark: #1b1b1b;
  --mist-light: #f4f4f3;
  --mist-dark: #232323;
  --line-light: #e3e3e1;
  --line-dark: #363636;
  --muted-light: #5e5e5b;
  --muted-dark: #b5b5b0;

  --red: var(--red-light);
  --ink: var(--ink-light);
  --paper: var(--paper-light);
  --mist: var(--mist-light);
  --line: var(--line-light);
  --muted: var(--muted-light);

  @media (prefers-color-scheme: dark) {
    --red: var(--red-dark);
    --ink: var(--ink-dark);
    --paper: var(--paper-dark);
    --mist: var(--mist-dark);
    --line: var(--line-dark);
    --muted: var(--muted-dark);
  }

  @supports (color: light-dark(white, black)) {
    --red: light-dark(var(--red-light), var(--red-dark));
    --ink: light-dark(var(--ink-light), var(--ink-dark));
    --paper: light-dark(var(--paper-light), var(--paper-dark));
    --mist: light-dark(var(--mist-light), var(--mist-dark));
    --line: light-dark(var(--line-light), var(--line-dark));
    --muted: light-dark(var(--muted-light), var(--muted-dark));
  }

  /* The ink band and the footer stay dark in both schemes. */
  --band: #1b1b1b;
  --band-text: #f1f1ef;
  --band-muted: #b5b5b0;

  --display: "Alexandria", "Noto Sans Arabic", system-ui, sans-serif;
  --text: "Alexandria", "Noto Sans Arabic", system-ui, sans-serif;
  --measure: 68ch;
  --gutter: clamp(1rem, 4vw, 2rem);

  color-scheme: light dark;
  accent-color: var(--red);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 300 1.0625rem/1.7 var(--text);
  font-size-adjust: from-font;
}

[dir="rtl"] body {
  line-height: 1.9;
}

strong,
b {
  font-weight: 500;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-size-adjust: cap-height from-font;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
}

/* Spacing letters apart breaks the joins of Arabic script. */
:lang(ar) :is(h1, h2, h3),
:lang(ar):is(h1, h2, h3) {
  letter-spacing: 0;
  line-height: 1.45;
}

h1 {
  font-size: clamp(2.25rem, 1.6rem + 3vw, 3.6rem);
}

h2 {
  font-size: clamp(1.7rem, 1.35rem + 1.4vw, 2.4rem);
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0;
  text-wrap: pretty;
}

a {
  color: var(--red);
  text-underline-offset: 0.18em;
}

:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Kurdish letters (ڕ ڵ ێ ۆ ە) are not in Alexandria. */
[lang="ckb"] {
  font-family: "Noto Sans Arabic", system-ui, sans-serif;
  font-weight: 400;
}

.wrap {
  max-inline-size: 72rem;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip {
  position: absolute;
  inset-inline-start: 1rem;
  inset-block-start: -4rem;
  background: var(--paper);
  padding: 0.5rem 1rem;
  z-index: 10;
}

.skip:focus {
  inset-block-start: 1rem;
}

/* ── Buttons ─────────────────────────────────────────────────────────── */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: 2.75rem;
  padding: 0.6rem 1.35rem;
  border-radius: 999px;
  border: 2px solid var(--red-light);
  background: var(--red-light);
  color: #fff;
  font: 500 1rem/1 var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.button:hover {
  background: #b80412;
  border-color: #b80412;
}

.button.quiet {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.button.quiet:hover {
  border-color: var(--ink);
}

.button.on-red {
  background: #fff;
  border-color: #fff;
  color: var(--red-light);
}

.button.on-red:hover {
  background: #ffe5e6;
}

/* ── Header and navigation (modern-web-guidance: navbar) ──────────────── */

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(10px);
  border-block-end: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-block-size: 4.5rem;
}

.header-inner > * {
  flex-shrink: 0;
  white-space: nowrap;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  font: 600 1.2rem/1 var(--display);
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-logo .os {
  color: var(--red-bright-light);
}

.site-logo img {
  block-size: 1.6rem;
  inline-size: auto;
}

.menu-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-block-size: 2.75rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  font: 500 1rem/1 var(--text);
  cursor: pointer;
  anchor-name: --menu-button;
}

.menu-button svg {
  inline-size: 1.1rem;
  block-size: 1.1rem;
}

.site-menu {
  list-style: none;
  margin: 0;
  padding: 0.75rem;
  display: grid;
  gap: 0.25rem;
  /* Browsers without anchor() keep this offset, about the header's height. */
  position: fixed;
  inset: auto;
  inset-block-start: 4.75rem;
  inset-block-start: anchor(--menu-button bottom);
  inset-inline-end: 1rem;
  inline-size: min(80dvw, 22rem);
  max-inline-size: calc(100dvw - 2rem);
  block-size: fit-content;
  max-block-size: calc(100dvh - 6rem);
  margin-block-start: 0.5rem;
  overflow: auto;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 18px 40px rgb(0 0 0 / 0.14);
}

.site-menu:not(:is(:popover-open, .\:popover-open)) {
  display: none;
}

.site-menu a {
  display: block;
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  color: var(--ink);
  font-weight: 400;
  text-decoration: none;
}

.site-menu a:hover {
  color: var(--red);
}

.site-menu a[aria-current="page"] {
  color: var(--red);
  font-weight: 500;
  box-shadow: inset 3px 0 0 var(--red);
}

[dir="rtl"] .site-menu a[aria-current="page"] {
  box-shadow: inset -3px 0 0 var(--red);
}

.site-menu .language a {
  color: var(--muted);
}

.site-menu .button {
  color: #fff;
  margin-block-start: 0.4rem;
}

.site-header.is-wide .menu-button {
  display: none;
}

.site-header.is-wide .site-menu {
  position: static;
  display: flex;
  align-items: center;
  gap: 0.15rem;
  inline-size: auto;
  max-inline-size: none;
  block-size: auto;
  max-block-size: none;
  overflow: visible;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.site-header.is-wide .site-menu::backdrop {
  display: none;
}

.site-header.is-wide .site-menu a {
  padding: 0.55rem 0.8rem;
}

.site-header.is-wide .site-menu a[aria-current="page"] {
  box-shadow: inset 0 -3px 0 var(--red);
  border-radius: 0;
}

.site-header.is-wide .site-menu .language {
  margin-inline-start: 0.5rem;
  padding-inline-start: 0.75rem;
  border-inline-start: 1px solid var(--line);
}

.site-header.is-wide .site-menu .login {
  margin-inline-start: 0.25rem;
}

.site-header.is-wide .site-menu .button {
  margin: 0;
  margin-inline-start: 0.25rem;
  padding: 0.6rem 1.35rem;
  border-radius: 999px;
}

.site-header.is-measuring * {
  transition: none !important;
}

@media (forced-colors: active) {
  .site-menu a[aria-current="page"] {
    outline: 2px solid LinkText;
  }
}

/* ── Sections ────────────────────────────────────────────────────────── */

.section {
  padding-block: clamp(3.5rem, 7vw, 6rem);
}

.section.mist {
  background: var(--mist);
}

.section-head {
  max-inline-size: 44rem;
  margin-block-end: 2.5rem;
}

.section-head p {
  margin-block-start: 0.9rem;
  color: var(--muted);
  font-size: 1.125rem;
}

.lead {
  color: var(--muted);
  font-size: clamp(1.1rem, 1rem + 0.4vw, 1.3rem);
  max-inline-size: 38rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-block-start: 2rem;
}

/* ── Home: the hero and its week of posts ────────────────────────────── */

.hero {
  padding-block: clamp(3rem, 6vw, 5rem) clamp(3rem, 6vw, 4.5rem);
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
}

.hero-text {
  display: grid;
  gap: 1.5rem clamp(2rem, 5vw, 4rem);
}

.hero h1 {
  max-inline-size: 16ch;
}

/* Arabic letters are wider than the "0" that ch measures. */
:lang(ar) .hero h1 {
  max-inline-size: 24ch;
  font-size: clamp(2.1rem, 1.5rem + 2.6vw, 3.25rem);
}

.hero .actions {
  margin-block-start: 1.75rem;
}

@media (min-width: 62rem) {
  .hero-text {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

.week {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--mist);
  padding: 1rem;
}

.week-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.25rem 0.4rem 0.9rem;
}

.week-head strong {
  font: 500 1rem/1.2 var(--display);
}

.week-head span {
  color: var(--muted);
  font-size: 0.875rem;
}

/* An agenda, one day a row, until the week has room for a column a day. */
.days {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.day {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  align-items: start;
  gap: 0.5rem;
  min-inline-size: 0;
}

.day .day-name {
  padding-block-start: 0.65rem;
}

@media (min-width: 64rem) {
  .days {
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }

  .day {
    grid-template-columns: none;
    align-content: start;
  }

  .day .day-name {
    padding-block-start: 0;
  }
}

.day-name {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--muted);
  padding-inline: 0.2rem;
}

.post {
  display: grid;
  gap: 0.35rem;
  padding: 0.65rem;
  border-radius: 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  font-size: 0.8125rem;
  line-height: 1.45;
  min-inline-size: 0;
}

.post .where {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0 0.4rem;
  font-weight: 500;
}

.post .when {
  color: var(--muted);
  font-weight: 300;
}

.post .words {
  overflow-wrap: anywhere;
}

.post .state {
  justify-self: start;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 400;
  border: 1px solid var(--line);
  color: var(--muted);
}

.post .state.published {
  border-color: transparent;
  background: var(--ink);
  color: var(--paper);
}

.post .state.scheduled {
  border-color: var(--red);
  color: var(--red);
}

.day.empty .post {
  color: var(--muted);
  background: transparent;
  border-style: dashed;
}

@media (max-width: 39.99rem) {
  /* A phone shows four days. */
  .day:nth-child(n + 5) {
    display: none;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .post {
    animation: post-in 0.5s both;
    animation-delay: calc(var(--n, 0) * 90ms + 150ms);
  }

  @keyframes post-in {
    from {
      opacity: 0;
      translate: 0 6px;
    }
  }
}

.works-with {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  padding-block: 1.5rem;
  border-block: 1px solid var(--line);
  color: var(--muted);
}

.works-with > span:first-child {
  color: var(--ink);
  font-weight: 500;
  margin-inline-end: 0.75rem;
}

.works-with .platform-name {
  padding: 0.3rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.95rem;
}

/* ── Lists of things, in rows rather than cards ──────────────────────── */

.rows {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  column-gap: clamp(2rem, 5vw, 4rem);
}

@media (min-width: 48rem) {
  .rows.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.rows > li {
  padding-block: 1.4rem;
  border-block-start: 1px solid var(--line);
}

.rows h3 {
  margin-block-end: 0.4rem;
}

.rows p,
.rows li li {
  color: var(--muted);
}

.rows ul {
  margin: 0.5rem 0 0;
  padding-inline-start: 1.15rem;
}

.rows ul li {
  margin-block-end: 0.35rem;
}

.split {
  display: grid;
  gap: 1.5rem clamp(2rem, 6vw, 5rem);
}

@media (min-width: 56rem) {
  .split {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .split > :first-child {
    position: sticky;
    inset-block-start: 6.5rem;
    align-self: start;
  }
}

.split + .split {
  margin-block-start: clamp(3rem, 6vw, 4.5rem);
}

.split > :first-child p {
  margin-block-start: 0.75rem;
  color: var(--muted);
}

/* ── How it works: a sequence, so it is numbered ─────────────────────── */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
  counter-reset: step;
}

@media (min-width: 56rem) {
  .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.steps li {
  counter-increment: step;
  padding-block-start: 1rem;
  border-block-start: 3px solid var(--ink);
}

.steps li::before {
  content: counter(step);
  display: block;
  font: 300 2.75rem/1 var(--display);
  color: var(--red);
  margin-block-end: 0.75rem;
}

.steps h3 {
  margin-block-end: 0.4rem;
}

.steps p {
  color: var(--muted);
}

/* ── The languages band ──────────────────────────────────────────────── */

.band {
  background: var(--band);
  color: var(--band-text);
  color-scheme: dark;
}

.band .section-head p {
  color: var(--band-muted);
}

.languages {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.languages li {
  display: grid;
  gap: 0.25rem 2rem;
  align-items: baseline;
  padding-block: 1.25rem;
  border-block-start: 1px solid #363636;
}

@media (min-width: 48rem) {
  .languages li {
    grid-template-columns: 10rem minmax(0, 1fr);
  }
}

.languages .name {
  color: var(--band-muted);
  font-size: 0.9375rem;
}

.languages .line {
  font-size: clamp(1.35rem, 1rem + 1.6vw, 2.15rem);
  font-weight: 300;
  line-height: 1.5;
}

.languages .line[dir="rtl"] {
  text-align: start;
}

/* ── The sign-up band ────────────────────────────────────────────────── */

.signup {
  background: var(--red-light);
  color: #fff;
  color-scheme: dark;
}

.signup .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem 3rem;
  padding-block: clamp(3rem, 6vw, 4.5rem);
}

.signup h2 {
  max-inline-size: 22ch;
}

.signup p {
  margin-block-start: 0.6rem;
  color: #ffe5e6;
}

/* ── Inner pages ─────────────────────────────────────────────────────── */

.page-head {
  background: var(--mist);
  border-block-end: 1px solid var(--line);
}

.page-head .wrap {
  padding-block: clamp(3rem, 6vw, 4.5rem);
}

.page-head h1 {
  max-inline-size: 20ch;
}

.page-head p {
  margin-block-start: 1rem;
  max-inline-size: 42rem;
  color: var(--muted);
  font-size: 1.2rem;
}

.principles {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  margin-block-end: clamp(2.5rem, 5vw, 3.5rem);
}

.principles h2 {
  font-size: 1.4rem;
  margin-block-end: 1rem;
}

.principles ul {
  margin: 0;
  padding-inline-start: 1.15rem;
  display: grid;
  gap: 0.5rem;
}

.platform {
  display: grid;
  gap: 0.5rem 2rem;
  padding-block: 1.6rem;
  border-block-start: 1px solid var(--line);
}

@media (min-width: 48rem) {
  .platform {
    grid-template-columns: 14rem minmax(0, 1fr);
  }
}

.platform h3 {
  font-size: 1.4rem;
}

.platform .what {
  display: block;
  color: var(--muted);
  font-size: 0.9375rem;
  margin-block-start: 0.3rem;
}

.platform ul {
  margin: 0;
  padding-inline-start: 1.15rem;
  display: grid;
  gap: 0.45rem;
}

.facts {
  margin: 0;
  display: grid;
  gap: 1.1rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  align-self: start;
}

.facts dt {
  color: var(--muted);
  font-size: 0.875rem;
}

.facts dd {
  margin: 0.15rem 0 0;
  font-weight: 500;
}

.prose {
  max-inline-size: var(--measure);
}

.prose > * + * {
  margin-block-start: 1rem;
}

.prose h2 {
  font-size: 1.55rem;
  margin-block-start: 2.5rem;
}

.prose h2:first-child {
  margin-block-start: 0;
}

.prose ul {
  padding-inline-start: 1.25rem;
}

.prose li + li {
  margin-block-start: 0.35rem;
}

.prose table {
  inline-size: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.prose th,
.prose td {
  text-align: start;
  vertical-align: top;
  padding-block: 0.6rem;
  padding-inline: 0 0.75rem;
  border-block-end: 1px solid var(--line);
}

.prose th {
  color: var(--muted);
  font-weight: 500;
}

.prose .note {
  padding: 1rem 1.25rem;
  border-inline-start: 3px solid var(--red);
  background: var(--mist);
}

.updated {
  color: var(--muted);
  font-size: 0.95rem;
  margin-block-start: 0.75rem;
}

.contact-grid {
  display: grid;
  gap: 2rem clamp(2rem, 6vw, 5rem);
}

@media (min-width: 56rem) {
  .contact-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

.contact-grid .big {
  font: 400 clamp(1.35rem, 1.1rem + 1vw, 1.8rem)/1.4 var(--display);
  overflow-wrap: anywhere;
  margin-block-start: 0.4rem;
}

.contact-ways {
  display: grid;
  gap: 2.5rem;
  align-content: start;
}

.contact-ways h2 {
  font-size: 1rem;
  color: var(--muted);
  font-weight: 400;
}

/* ── FAQ (modern-web-guidance: accordion) ────────────────────────────── */

.faq details {
  border-block-start: 1px solid var(--line);
}

.faq details:last-child {
  border-block-end: 1px solid var(--line);
}

.faq summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-block: 1.25rem;
  font: 500 1.15rem/1.45 var(--display);
  cursor: pointer;
}

.faq summary:hover {
  color: var(--red);
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::before {
  content: "";
  inline-size: 1rem;
  block-size: 1rem;
  flex-shrink: 0;
  background-color: var(--red);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 15.6 5.4 9l1.4-1.4 5.2 5.2 5.2-5.2L18.6 9z'/%3E%3C/svg%3E") no-repeat center / contain;
  rotate: -90deg;
}

.faq summary:dir(rtl)::before {
  rotate: 90deg;
}

.faq details[open] > summary::before {
  rotate: 0deg;
}

.faq .answer {
  padding: 0 0 1.4rem;
  padding-inline-start: 1.75rem;
  color: var(--muted);
  max-inline-size: var(--measure);
}

@media (prefers-reduced-motion: no-preference) {
  .faq summary::before {
    transition: rotate 0.2s;
  }
}

/* ── Footer ──────────────────────────────────────────────────────────── */

.site-footer {
  background: var(--band);
  color: var(--band-muted);
  color-scheme: dark;
  font-size: 0.95rem;
}

.site-footer a {
  color: var(--band-text);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.footer-top {
  display: grid;
  gap: 2rem;
  padding-block: 3.5rem 2.5rem;
}

@media (min-width: 48rem) {
  .footer-top {
    grid-template-columns: minmax(0, 2fr) repeat(3, minmax(0, 1fr));
  }
}

.footer-top .site-logo {
  color: var(--band-text);
  margin-block-end: 0.9rem;
}

.footer-top h2 {
  font: 500 0.95rem/1.2 var(--text);
  color: var(--band-text);
  margin-block-end: 0.8rem;
}

.footer-top ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  padding-block: 1.25rem 2rem;
  border-block-start: 1px solid #363636;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}