/* Platform Core v1.1 — stable, low-shift presentation layer for the Arabic mental-health platform. */
:root {
  --pt-ink: #12393d;
  --pt-muted: #567176;
  --pt-brand: #075f5b;
  --pt-brand-strong: #064a47;
  --pt-accent: #8b315c;
  --pt-surface: #ffffff;
  --pt-surface-soft: #f2faf8;
  --pt-surface-warm: #fff8f3;
  --pt-line: #c9dfdc;
  --pt-focus: #0a8b82;
  --pt-shadow: 0 12px 34px rgba(10, 72, 71, 0.10);
  --pt-radius: 18px;
  --pt-content: 1180px;
  --pt-shell-height: 72px;
  --pt-context-height: 38px;
  --pt-shell-offset: 110px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--pt-shell-offset) + 14px);
}

body.pt-platform {
  margin: 0;
  color: var(--pt-ink);
  background: linear-gradient(180deg, #ffffff 0, #f7fbfa 46%, #ffffff 100%);
  font-family: Tahoma, Arial, "Segoe UI", sans-serif;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* Reserve the exact shell space before deferred JavaScript executes. */
body.pt-platform[data-pt-enhancer="true"] {
  padding-top: var(--pt-shell-offset);
}

body.pt-platform[data-pt-home="true"] > header:not(.pt-global-shell) {
  display: none !important;
}

body.pt-platform *,
body.pt-platform *::before,
body.pt-platform *::after {
  box-sizing: border-box;
}

body.pt-platform img,
body.pt-platform svg,
body.pt-platform video {
  max-width: 100%;
  height: auto;
}

body.pt-platform a {
  color: #066b65;
  text-underline-offset: 0.2em;
  text-decoration-thickness: 0.08em;
}

body.pt-platform a:hover {
  color: var(--pt-brand-strong);
}

body.pt-platform :focus-visible {
  outline: 3px solid var(--pt-focus);
  outline-offset: 4px;
  border-radius: 6px;
}

body.pt-platform h1,
body.pt-platform h2,
body.pt-platform h3,
body.pt-platform h4 {
  color: var(--pt-ink);
  line-height: 1.35;
  text-wrap: balance;
}

body.pt-platform h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: -0.025em;
}

body.pt-platform h2 {
  font-size: clamp(1.55rem, 3.5vw, 2.45rem);
  margin-block-start: 2.25rem;
}

body.pt-platform h3 {
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
}

body.pt-platform p,
body.pt-platform li {
  max-width: 78ch;
}

body.pt-platform main {
  min-height: 55vh;
}

body.pt-platform main > :first-child {
  scroll-margin-top: calc(var(--pt-shell-offset) + 10px);
}

body.pt-platform table {
  width: 100%;
  border-collapse: collapse;
  background: var(--pt-surface);
  border: 1px solid var(--pt-line);
  border-radius: 14px;
  overflow: hidden;
}

body.pt-platform th,
body.pt-platform td {
  padding: 0.85rem 0.95rem;
  border-bottom: 1px solid var(--pt-line);
  text-align: start;
  vertical-align: top;
}

body.pt-platform th {
  background: var(--pt-surface-soft);
  color: var(--pt-brand-strong);
}

body.pt-platform blockquote {
  margin-inline: 0;
  padding: 1rem 1.15rem;
  border-inline-start: 5px solid var(--pt-accent);
  background: #fff2f7;
  border-radius: 12px;
}

body.pt-platform input,
body.pt-platform select,
body.pt-platform textarea,
body.pt-platform button {
  font: inherit;
}

body.pt-platform input,
body.pt-platform select,
body.pt-platform textarea {
  min-height: 44px;
  border: 1px solid #a9c8c4;
  border-radius: 11px;
  padding: 0.65rem 0.8rem;
  background: #fff;
  color: var(--pt-ink);
}

body.pt-platform button,
body.pt-platform .button,
body.pt-platform .btn {
  min-height: 44px;
  color: var(--pt-ink);
  background: #fff;
  border: 1px solid var(--pt-line);
  border-radius: 11px;
  padding: 0.6rem 0.9rem;
  font-weight: 800;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

body.pt-platform .hero .button,
body.pt-platform .hero .btn,
body.pt-platform .hero a,
body.pt-platform .hero button {
  color: #ffffff !important;
  background: linear-gradient(135deg, var(--pt-brand-strong) 0%, var(--pt-brand) 100%) !important;
  border-color: var(--pt-brand-strong) !important;
  box-shadow: 0 10px 24px rgba(6, 74, 71, 0.18);
}

body.pt-platform .hero .button:hover,
body.pt-platform .hero .btn:hover,
body.pt-platform .hero a:hover,
body.pt-platform .hero button:hover {
  color: #ffffff !important;
  background: linear-gradient(135deg, var(--pt-brand) 0%, #0b8078 100%) !important;
  border-color: var(--pt-brand) !important;
  box-shadow: 0 12px 26px rgba(6, 74, 71, 0.22);
}

/* Universal platform shell: fixed over a pre-reserved area to prevent CLS. */
.pt-global-shell {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 1000;
  min-height: var(--pt-shell-height);
  border-bottom: 1px solid rgba(174, 207, 203, 0.9);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 7px 22px rgba(11, 77, 75, 0.08);
  backdrop-filter: blur(14px);
}

.pt-global-shell__inner {
  width: min(var(--pt-content), calc(100% - 28px));
  min-height: var(--pt-shell-height);
  margin-inline: auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
}

.pt-global-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--pt-ink) !important;
  text-decoration: none;
  font-weight: 900;
  line-height: 1.25;
}

.pt-global-brand img {
  width: 44px;
  height: 44px;
}

.pt-global-brand span {
  display: grid;
}

.pt-global-brand small {
  color: var(--pt-muted);
  font-size: 0.73rem;
  font-weight: 700;
}

.pt-global-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.15rem;
  flex-wrap: wrap;
}

.pt-global-nav a {
  padding: 0.48rem 0.62rem;
  border-radius: 9px;
  color: var(--pt-ink) !important;
  text-decoration: none;
  font-size: 0.91rem;
  font-weight: 800;
  white-space: nowrap;
}

.pt-global-nav a:hover,
.pt-global-nav a[aria-current="page"] {
  background: var(--pt-surface-soft);
  color: var(--pt-brand-strong) !important;
}

.pt-global-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.pt-icon-button,
.pt-search-button,
.pt-menu-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-width: 44px;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--pt-line);
  border-radius: 11px;
  background: #fff;
  color: var(--pt-ink);
  cursor: pointer;
  font-weight: 800;
}

.pt-search-button {
  background: linear-gradient(135deg, #dff8f3, #f2fbf9);
  border-color: #9ed7d0;
}

.pt-menu-button {
  display: none;
}

.pt-reading-progress {
  position: absolute;
  inset-inline-start: 0;
  bottom: -1px;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--pt-brand), var(--pt-accent));
  transition: width 80ms linear;
}

.pt-skip-link {
  position: fixed;
  inset-inline-start: 12px;
  top: -80px;
  z-index: 2000;
  padding: 0.7rem 1rem;
  border: 2px solid var(--pt-brand);
  border-radius: 10px;
  background: #fff;
  color: var(--pt-ink);
  font-weight: 900;
}

.pt-skip-link:focus {
  top: 12px;
}

.pt-context-strip {
  position: fixed;
  inset-inline: 0;
  top: var(--pt-shell-height);
  z-index: 999;
  min-height: var(--pt-context-height);
  border-bottom: 1px solid var(--pt-line);
  background: #f8fcfb;
}

.pt-context-strip__inner {
  width: min(var(--pt-content), calc(100% - 28px));
  margin-inline: auto;
  min-height: var(--pt-context-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--pt-muted);
  font-size: 0.84rem;
}

.pt-context-strip a {
  text-decoration: none;
  font-weight: 800;
}

.pt-global-footer {
  margin-top: 4rem;
  border-top: 1px solid var(--pt-line);
  background: #0c3f42;
  color: #eaf8f6;
}

.pt-global-footer__inner {
  width: min(var(--pt-content), calc(100% - 28px));
  margin-inline: auto;
  padding: 1.35rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.pt-global-footer p {
  margin: 0;
  color: #eaf8f6;
}

.pt-global-footer nav {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.pt-global-footer a {
  color: #fff !important;
  font-weight: 800;
}

.pt-back-to-top {
  position: fixed;
  inset-inline-end: 18px;
  bottom: 18px;
  z-index: 900;
  width: 46px;
  height: 46px;
  border: 1px solid #8fcac4;
  border-radius: 50%;
  background: #fff;
  color: var(--pt-brand-strong);
  box-shadow: var(--pt-shadow);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: 160ms ease;
}

.pt-back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.pt-search-dialog {
  width: min(680px, calc(100% - 24px));
  border: 1px solid var(--pt-line);
  border-radius: 18px;
  padding: 0;
  color: var(--pt-ink);
  box-shadow: 0 28px 80px rgba(7, 52, 52, 0.28);
}

.pt-search-dialog::backdrop {
  background: rgba(5, 33, 35, 0.58);
  backdrop-filter: blur(4px);
}

.pt-search-dialog__body {
  padding: 1.25rem;
}

.pt-search-dialog__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.pt-search-dialog form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.65rem;
  margin-top: 1rem;
}

.pt-search-dialog input {
  width: 100%;
}

.pt-search-dialog button[type="submit"] {
  border: 0;
  border-radius: 11px;
  padding: 0.65rem 1rem;
  background: var(--pt-brand);
  color: #fff;
  font-weight: 900;
  cursor: pointer;
}

/* Existing page shells remain available as local navigation, but no longer compete as sticky layers. */
body.pt-platform > header:not(.pt-global-shell) {
  position: static !important;
  top: auto !important;
}

body.pt-platform main a:has(h2),
body.pt-platform main a:has(h3) {
  text-decoration: none;
}

@media (max-width: 1060px) {
  .pt-global-shell__inner {
    grid-template-columns: 1fr auto;
  }

  .pt-global-nav {
    display: none;
    position: absolute;
    inset-inline: 9px;
    top: calc(var(--pt-shell-height) - 1px);
    max-height: min(70vh, 520px);
    overflow: auto;
    justify-content: flex-start;
    padding: 0.7rem;
    border: 1px solid var(--pt-line);
    border-radius: 0 0 14px 14px;
    background: #fff;
    box-shadow: var(--pt-shadow);
  }

  .pt-global-nav.is-open {
    display: flex;
  }

  .pt-menu-button {
    display: inline-flex;
  }

  .pt-search-button span {
    display: none;
  }
}

@media (max-width: 640px) {
  :root {
    --pt-shell-height: 64px;
    --pt-context-height: 38px;
    --pt-shell-offset: 102px;
  }

  .pt-global-shell__inner {
    width: min(100% - 18px, var(--pt-content));
    gap: 0.5rem;
  }

  .pt-global-brand small {
    display: none;
  }

  .pt-global-brand img {
    width: 38px;
    height: 38px;
  }

  .pt-global-brand span {
    font-size: 0.86rem;
  }

  .pt-context-strip__inner {
    width: min(100% - 18px, var(--pt-content));
    overflow: hidden;
    white-space: nowrap;
  }

  .pt-context-strip__inner span:last-child {
    display: none;
  }

  .pt-search-dialog form {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .pt-global-shell,
  .pt-context-strip,
  .pt-back-to-top,
  .pt-global-footer,
  .pt-skip-link {
    display: none !important;
  }

  body.pt-platform,
  body.pt-platform[data-pt-enhancer="true"] {
    padding-top: 0;
    background: #fff;
    color: #000;
  }
}