@font-face {
  font-family: "IBM Plex Sans Arabic";
  src: url("/assets/fonts/ibm-plex-sans-arabic-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans Arabic";
  src: url("/assets/fonts/ibm-plex-sans-arabic-600.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("/assets/fonts/ibm-plex-sans-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("/assets/fonts/ibm-plex-sans-600.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

:root {
  color-scheme: light;

  /* DESIGN.md colors */
  --color-primary: #112659;
  --color-on-primary: #FFFFFF;
  --color-brand-blue: #1F37ED;
  --color-on-brand-blue: #FFFFFF;
  --color-brand-cyan: #00BBFF;
  --color-brand-sky: #00A1FF;
  --color-on-brand-cyan: #071633;
  --color-accent-lime: #A7F771;
  --color-on-accent-lime: #112659;
  --color-surface: #F7FAFF;
  --color-on-surface: #0B1838;
  --color-surface-dark: #071633;
  --color-on-surface-dark: #F4F8FF;
  --color-muted: #59709C;
  --color-border: #D7E2F2;
  --color-danger: #B42318;
  --color-on-danger: #FFFFFF;
  --color-page: #FFFFFF;

  /* DESIGN.md typography */
  --font-arabic: "IBM Plex Sans Arabic", Tahoma, sans-serif;
  --font-latin: "IBM Plex Sans", Arial, sans-serif;
  --font-label: "IBM Plex Sans Arabic", "IBM Plex Sans", Arial, sans-serif;
  --type-display-ar-size: 3.75rem;
  --type-display-ar-weight: 600;
  --type-display-ar-leading: 4.5rem;
  --type-display-ar-tracking: 0em;
  --type-display-en-size: 3.75rem;
  --type-display-en-weight: 600;
  --type-display-en-leading: 4.25rem;
  --type-display-en-tracking: -0.02em;
  --type-heading-ar-size: 2.25rem;
  --type-heading-ar-weight: 600;
  --type-heading-ar-leading: 3rem;
  --type-heading-ar-tracking: 0em;
  --type-heading-en-size: 2.25rem;
  --type-heading-en-weight: 600;
  --type-heading-en-leading: 2.75rem;
  --type-heading-en-tracking: -0.01em;
  --type-body-ar-size: 1rem;
  --type-body-ar-weight: 400;
  --type-body-ar-leading: 1.75rem;
  --type-body-ar-tracking: 0em;
  --type-body-en-size: 1rem;
  --type-body-en-weight: 400;
  --type-body-en-leading: 1.625rem;
  --type-body-en-tracking: 0em;
  --type-label-size: 0.875rem;
  --type-label-weight: 600;
  --type-label-leading: 1.25rem;
  --type-label-tracking: 0.02em;

  /* DESIGN.md spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 72px;
  --space-4xl: 112px;

  /* DESIGN.md shape, layout, directionality, and motion */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --container-max: 1200px;
  --gutter-mobile: 20px;
  --direction-owner: document;
  --direction-default: rtl;
  --direction-alternate: ltr;
  --logical-properties: required;
  --motion-feedback: 120ms;
  --motion-content: 240ms;
  --motion-hero: 700ms;
  --motion-easing: cubic-bezier(0.2, 0, 0, 1);
  --motion-reduced-behavior: remove-transform-and-scroll-motion;
  --icon-stroke: 1.75;
  --shadow-card: 0 18px 48px rgb(17 38 89 / 10%);
  --focus-ring: 3px solid var(--color-brand-cyan);
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-block-size: 100vh;
  margin: 0;
  overflow-wrap: break-word;
  background: var(--color-page);
  color: var(--color-on-surface);
  font-family: var(--font-arabic);
  font-size: var(--type-body-ar-size);
  font-weight: var(--type-body-ar-weight);
  line-height: var(--type-body-ar-leading);
  letter-spacing: var(--type-body-ar-tracking);
}

html[lang="en"] body {
  font-family: var(--font-latin);
  font-size: var(--type-body-en-size);
  font-weight: var(--type-body-en-weight);
  line-height: var(--type-body-en-leading);
  letter-spacing: var(--type-body-en-tracking);
}

img,
svg {
  display: block;
  max-inline-size: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: inherit;
  text-underline-offset: 0.22em;
}

:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 3px;
}

.container {
  inline-size: min(calc(100% - (2 * var(--gutter-mobile))), var(--container-max));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: 100;
  min-block-size: 44px;
  padding-block: 10px;
  padding-inline: var(--space-md);
  border-radius: var(--radius-sm);
  background: var(--color-accent-lime);
  color: var(--color-on-accent-lime);
  font-family: var(--font-label);
  font-size: var(--type-label-size);
  font-weight: var(--type-label-weight);
  line-height: var(--type-label-leading);
  letter-spacing: var(--type-label-tracking);
  transform: translateY(calc(-100% - var(--space-md)));
  transition: transform var(--motion-feedback) var(--motion-easing);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 30;
  border-block-end: 1px solid rgb(215 226 242 / 78%);
  background: rgb(255 255 255 / 94%);
}

@supports (backdrop-filter: blur(12px)) {
  .site-header {
    background: rgb(255 255 255 / 86%);
    backdrop-filter: blur(12px);
  }
}

.site-nav {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  min-block-size: 76px;
  gap: var(--space-lg);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
}

.brand-link img {
  inline-size: clamp(116px, 12vw, 154px);
  block-size: auto;
}

.nav-list,
.footer-links,
.card-grid,
.trust-list,
.product-filters {
  padding: 0;
  margin: 0;
  list-style: none;
}

.nav-list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(var(--space-sm), 1.5vw, var(--space-lg));
}

.nav-list a,
.nav-actions > [lang],
.button,
.menu-toggle,
.product-filter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: 44px;
  border: 0;
  border-radius: var(--radius-pill);
  font-family: var(--font-label);
  font-size: var(--type-label-size);
  font-weight: var(--type-label-weight);
  line-height: var(--type-label-leading);
  letter-spacing: var(--type-label-tracking);
  text-decoration: none;
  cursor: pointer;
}

.nav-list a,
.nav-actions > [lang] {
  padding-inline: var(--space-sm);
  color: var(--color-primary);
}

.nav-list a:hover,
.nav-actions > [lang]:hover {
  color: var(--color-brand-blue);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.button {
  height: 48px;
  padding: var(--space-md);
  transition:
    transform var(--motion-feedback) var(--motion-easing),
    background-color var(--motion-feedback) var(--motion-easing),
    color var(--motion-feedback) var(--motion-easing);
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--color-brand-blue);
  color: var(--color-on-brand-blue);
}

.button-secondary {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-primary);
}

.button-cyan {
  background: var(--color-brand-cyan);
  color: var(--color-on-brand-cyan);
}

.menu-toggle {
  display: none;
  inline-size: 48px;
  block-size: 48px;
  padding: 0;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-primary);
}

.menu-toggle svg {
  inline-size: 24px;
  block-size: 24px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: var(--icon-stroke);
}

.mobile-drawer {
  display: contents;
}

.drawer-actions {
  display: none;
}

.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(var(--space-md));
  transition:
    opacity var(--motion-content) var(--motion-easing),
    transform var(--motion-content) var(--motion-easing);
}

.reveal-ready [data-reveal][data-reveal-state="visible"] {
  opacity: 1;
  transform: none;
}

main > section,
.section {
  padding-block: var(--space-3xl);
}

.page-hero {
  position: relative;
  isolation: isolate;
  min-block-size: clamp(440px, 65vh, 680px);
  overflow: hidden;
  background:
    linear-gradient(140deg, rgb(247 250 255 / 96%), rgb(255 255 255 / 84%)),
    linear-gradient(90deg, var(--color-brand-cyan), transparent 42%);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(260px, 5fr);
  align-items: center;
  min-block-size: inherit;
  gap: var(--space-2xl);
}

.hero-copy {
  max-inline-size: 760px;
}

.page-hero h1 {
  max-inline-size: 16ch;
  margin-block: 0 var(--space-lg);
  color: var(--color-primary);
  font-size: clamp(2.5rem, 6vw, var(--type-display-ar-size));
  font-weight: var(--type-display-ar-weight);
  line-height: 1.2;
  letter-spacing: var(--type-display-ar-tracking);
}

html[lang="en"] .page-hero h1 {
  font-size: clamp(2.5rem, 6vw, var(--type-display-en-size));
  font-weight: var(--type-display-en-weight);
  line-height: 1.13;
  letter-spacing: var(--type-display-en-tracking);
}

.page-hero p {
  max-inline-size: 58ch;
  margin: 0;
  color: var(--color-muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.sila-signal {
  position: relative;
  min-block-size: 300px;
  color: var(--color-brand-cyan);
}

.sila-signal::before {
  position: absolute;
  inset: 12%;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(0 187 255 / 16%), transparent 68%);
  content: "";
}

.sila-signal svg {
  inline-size: 100%;
  block-size: 100%;
  overflow: visible;
}

.signal-path {
  fill: none;
  stroke: currentColor;
  stroke-width: var(--icon-stroke);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 540;
  stroke-dashoffset: 540;
  animation: signal-draw var(--motion-hero) var(--motion-easing) 120ms forwards;
}

.signal-path-secondary {
  color: var(--color-brand-blue);
  opacity: 0.32;
}

.signal-node {
  fill: var(--color-surface);
  stroke: var(--color-brand-blue);
  stroke-width: var(--icon-stroke);
}

.signal-node-acquired {
  fill: var(--color-accent-lime);
  stroke: var(--color-primary);
}

@keyframes signal-draw {
  to {
    stroke-dashoffset: 0;
  }
}

h2 {
  margin-block: 0 var(--space-xl);
  color: var(--color-primary);
  font-size: clamp(1.75rem, 4vw, var(--type-heading-ar-size));
  font-weight: var(--type-heading-ar-weight);
  line-height: 1.34;
  letter-spacing: var(--type-heading-ar-tracking);
}

html[lang="en"] h2 {
  font-size: clamp(1.75rem, 4vw, var(--type-heading-en-size));
  font-weight: var(--type-heading-en-weight);
  line-height: 1.22;
  letter-spacing: var(--type-heading-en-tracking);
}

.trust-strip {
  padding-block: var(--space-xl);
  background: var(--color-surface-dark);
  color: var(--color-on-surface-dark);
}

.trust-strip h2 {
  color: var(--color-on-surface-dark);
}

.trust-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block: 1px solid rgb(244 248 255 / 14%);
}

.trust-list li {
  position: relative;
  min-block-size: 88px;
  padding-block: var(--space-lg);
  padding-inline: var(--space-xl);
  border-inline-start: 1px solid rgb(244 248 255 / 14%);
  font-weight: 600;
}

.trust-list li:first-child {
  border-inline-start: 0;
}

.trust-list li::before {
  display: block;
  inline-size: 32px;
  block-size: 3px;
  margin-block-end: var(--space-md);
  background: var(--color-brand-cyan);
  content: "";
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
}

.signal-card {
  position: relative;
  min-block-size: 180px;
  padding: var(--space-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-on-surface);
  box-shadow: 0 0 0 rgb(17 38 89 / 0%);
  transition:
    transform var(--motion-content) var(--motion-easing),
    box-shadow var(--motion-content) var(--motion-easing),
    border-color var(--motion-feedback) var(--motion-easing);
}

.signal-card::before {
  position: absolute;
  inset-block-start: 0;
  inset-inline: var(--space-lg);
  block-size: 3px;
  background: linear-gradient(
    to var(--signal-inline-end, right),
    var(--color-brand-blue),
    var(--color-brand-cyan) 74%,
    var(--color-accent-lime) 74%
  );
  content: "";
}

[dir="rtl"] .signal-card {
  --signal-inline-end: left;
}

.signal-card:hover {
  border-color: var(--color-brand-cyan);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.signal-card h2,
.signal-card h3 {
  margin-block: 0 var(--space-sm);
}

.card-icon {
  inline-size: 48px;
  block-size: 48px;
  margin-block-end: var(--space-lg);
  color: var(--color-brand-blue);
}

.card-icon svg {
  inline-size: 100%;
  block-size: 100%;
  overflow: visible;
  fill: none;
  stroke: currentColor;
  stroke-width: var(--icon-stroke);
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card-icon circle {
  fill: var(--color-surface);
}

.product-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-block-end: var(--space-xl);
}

.product-filter {
  min-block-size: 44px;
  padding-block: 10px;
  padding-inline: var(--space-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-primary);
}

.product-filter[aria-pressed="true"],
.product-filter.is-active {
  border-color: var(--color-brand-blue);
  background: var(--color-brand-blue);
  color: var(--color-on-brand-blue);
  box-shadow: inset 0 -3px 0 var(--color-brand-cyan);
}

.badge-accent {
  display: inline-flex;
  align-items: center;
  min-block-size: 32px;
  padding: var(--space-sm);
  border-radius: var(--radius-pill);
  background: var(--color-accent-lime);
  color: var(--color-on-accent-lime);
  font-family: var(--font-label);
  font-size: var(--type-label-size);
  font-weight: var(--type-label-weight);
  line-height: var(--type-label-leading);
  letter-spacing: var(--type-label-tracking);
}

.conversion-band {
  position: relative;
  overflow: hidden;
  background: var(--color-surface-dark);
  color: var(--color-on-surface-dark);
}

.conversion-band::after {
  position: absolute;
  inset-block: 0;
  inset-inline-end: -80px;
  inline-size: 260px;
  border-inline-start: 1px solid rgb(0 187 255 / 36%);
  background: linear-gradient(135deg, transparent 28%, rgb(0 187 255 / 12%) 28%);
  content: "";
  transform: skewX(-18deg);
}

.conversion-band h2 {
  color: var(--color-on-surface-dark);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
}

.quote-form .form-grid {
  margin-block-end: var(--space-md);
}

.field {
  display: grid;
  gap: var(--space-sm);
}

.field label {
  color: var(--color-primary);
  font-family: var(--font-label);
  font-size: var(--type-label-size);
  font-weight: var(--type-label-weight);
  line-height: var(--type-label-leading);
  letter-spacing: var(--type-label-tracking);
}

.field input,
.field select,
.field textarea {
  inline-size: 100%;
  min-block-size: 52px;
  padding-block: 12px;
  padding-inline: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-on-surface);
}

.field textarea {
  min-block-size: 140px;
  resize: vertical;
}

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  border-color: var(--color-brand-blue);
}

.field [aria-invalid="true"] {
  border-color: var(--color-danger);
}

.field-error {
  color: var(--color-danger);
  font-family: var(--font-label);
  font-size: var(--type-label-size);
  font-weight: var(--type-label-weight);
  line-height: var(--type-label-leading);
}

.site-footer {
  padding-block: var(--space-2xl);
  background: var(--color-surface-dark);
  color: var(--color-on-surface-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(200px, 5fr) minmax(240px, 7fr);
  gap: var(--space-2xl);
}

.footer-brand img {
  inline-size: min(220px, 100%);
  block-size: auto;
  margin-block-end: var(--space-lg);
}

.site-footer address {
  max-inline-size: 52ch;
  color: rgb(244 248 255 / 74%);
  font-style: normal;
}

.footer-links {
  display: grid;
  gap: var(--space-sm);
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
}

.ltr-isolate {
  direction: ltr;
  unicode-bidi: isolate;
}

[hidden] {
  display: none !important;
}

@media (max-width: 960px) {
  .site-nav {
    grid-template-columns: auto 1fr;
  }

  .brand-link {
    grid-column: 1;
    grid-row: 1;
  }

  .mobile-drawer {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .nav-list {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .nav-list {
    justify-content: flex-start;
    overflow-x: auto;
    padding-block-end: var(--space-sm);
    scrollbar-width: thin;
  }

  .nav-actions {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 3fr) minmax(220px, 2fr);
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-nav {
    min-block-size: 68px;
    gap: var(--space-sm);
  }

  .brand-link img {
    inline-size: 116px;
  }

  .nav-actions .button-primary {
    display: none;
  }

  .menu-ready .menu-toggle {
    display: inline-flex;
  }

  .menu-ready .mobile-drawer {
    display: block;
    grid-column: 1 / -1;
    inline-size: 100%;
  }

  .menu-ready .mobile-drawer[data-menu-open="false"] {
    display: none;
  }

  .menu-ready .nav-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xs);
    padding-block: var(--space-sm);
    overflow: visible;
  }

  .menu-ready .nav-list a {
    justify-content: flex-start;
    padding-inline: var(--space-md);
    border-radius: var(--radius-sm);
  }

  .menu-ready .nav-list a[aria-current="page"] {
    background: var(--color-surface);
    box-shadow: inset 3px 0 0 var(--color-brand-cyan);
  }

  [dir="rtl"] .menu-ready .nav-list a[aria-current="page"] {
    box-shadow: inset -3px 0 0 var(--color-brand-cyan);
  }

  .drawer-actions {
    display: flex;
    grid-column: 1 / -1;
    grid-row: 3;
    padding-block-end: var(--space-md);
  }

  .drawer-actions .button {
    inline-size: 100%;
  }

  .mobile-drawer {
    padding-block-end: var(--space-sm);
  }

  .nav-list {
    gap: var(--space-xs);
  }

  .nav-list a {
    white-space: nowrap;
  }

  main > section,
  .section {
    padding-block: var(--space-2xl);
  }

  .page-hero {
    min-block-size: auto;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    padding-block: var(--space-2xl);
  }

  .sila-signal {
    min-block-size: 220px;
  }

  .trust-list,
  .card-grid,
  .form-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .trust-list li {
    border-block-start: 1px solid rgb(244 248 255 / 14%);
    border-inline-start: 0;
  }

  .trust-list li:first-child {
    border-block-start: 0;
  }
}

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

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

  .signal-path {
    stroke-dashoffset: 0;
  }

  .reveal-ready [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .button:hover,
  .signal-card:hover {
    transform: none;
  }

  .skip-link {
    transition: none;
  }
}