/* ---------------------------------------------------------------- tokens */
:root {
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --accent-soft: #dbeafe;
  --ink: #0f172a;
  --ink-soft: #475569;
  --surface: #ffffff;
  --surface-alt: #f1f5f9;
  --border: #e2e8f0;
  --success: #16a34a;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --font-latin: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-arabic: "IBM Plex Sans Arabic", "Segoe UI", Tahoma, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-latin);
  color: var(--ink);
  background: var(--surface);
  line-height: 1.6;
}

html[lang="ar"] body {
  font-family: var(--font-arabic);
}

img {
  display: block;
}

.container {
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: 24px;
}

.container-narrow {
  max-width: 760px;
}

/* ---------------------------------------------------------------- header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 20px;
  margin-inline-start: auto;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--accent);
}

.lang-toggle {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-arabic);
}

html[lang="ar"] .lang-toggle {
  font-family: var(--font-latin);
}

.lang-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ------------------------------------------------------------------ hero */
.hero {
  background: linear-gradient(180deg, #eff6ff 0%, var(--surface) 100%);
  padding-block: 72px 88px;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}

.badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 6px 14px;
  margin-block-end: 20px;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-block-end: 18px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--ink-soft);
  margin-block-end: 28px;
  max-width: 34em;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-block;
  border-radius: 10px;
  padding: 13px 24px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-dark);
}

.btn-primary.btn-disabled {
  background: #94a3b8;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-secondary {
  border: 1.5px solid var(--border);
  color: var(--ink);
  background: var(--surface);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-note {
  margin-block-start: 16px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

/* --------------------------------------------------------- popup mockup */
.hero-visual {
  display: flex;
  justify-content: center;
}

.mock-popup {
  width: 300px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transform: rotate(2deg);
}

html[dir="rtl"] .mock-popup {
  transform: rotate(-2deg);
}

.mock-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  padding-block-end: 10px;
  border-bottom: 1px solid var(--border);
}

.mock-profile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: var(--surface-alt);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.9rem;
  font-weight: 500;
}

.mock-chip {
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 2px 9px;
  white-space: nowrap;
}

.mock-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  border-radius: 8px;
  padding: 10px;
  font-size: 0.92rem;
  font-weight: 600;
  font-family: inherit;
  cursor: default;
}

.mock-btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.mock-report {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.mock-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  flex-shrink: 0;
}

/* -------------------------------------------------------------- sections */
.section {
  padding-block: 72px;
}

.section-alt {
  background: var(--surface-alt);
}

.section h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.01em;
  text-align: center;
  margin-block-end: 16px;
}

.section-subtitle {
  text-align: center;
  color: var(--ink-soft);
  font-size: 1.1rem;
  max-width: 42em;
  margin-inline: auto;
  margin-block-end: 40px;
}

/* --------------------------------------------------------- how it works */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-block-start: 40px;
}

.step {
  text-align: center;
  padding: 28px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.step h3 {
  font-size: 1.1rem;
  margin-block-end: 8px;
}

.step p {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* -------------------------------------------------------------- features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-block-start: 40px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.feature-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 1.6rem;
  margin-block-end: 12px;
}

.feature-card h3 {
  font-size: 1.05rem;
  margin-block-end: 8px;
}

.feature-card p {
  color: var(--ink-soft);
  font-size: 0.93rem;
}

/* --------------------------------------------------------------- privacy */
.privacy {
  background: var(--ink);
  color: #e2e8f0;
}

.privacy h2 {
  color: #fff;
}

.privacy .section-subtitle {
  color: #94a3b8;
}

.privacy-list {
  list-style: none;
  max-width: 640px;
  margin-inline: auto;
  margin-block-end: 48px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.privacy-list li {
  padding-inline-start: 34px;
  position: relative;
}

.privacy-list li::before {
  content: "✓";
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.permissions h3 {
  text-align: center;
  color: #fff;
  font-size: 1.2rem;
  margin-block-end: 24px;
}

.perm-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.perm {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 20px;
}

.perm code {
  display: inline-block;
  background: rgba(37, 99, 235, 0.25);
  color: #93c5fd;
  border-radius: 6px;
  padding: 3px 10px;
  font-size: 0.9rem;
  margin-block-end: 10px;
}

.perm p {
  color: #94a3b8;
  font-size: 0.9rem;
}

.privacy-link {
  display: block;
  text-align: center;
  margin-block-start: 40px;
  color: #93c5fd;
  font-weight: 600;
}

/* --------------------------------------------------------------- install */
.install-steps {
  max-width: 640px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-inline-start: 0;
  counter-reset: install;
  list-style: none;
}

.install-steps li {
  counter-increment: install;
  position: relative;
  padding: 18px 20px;
  padding-inline-start: 64px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.install-steps li::before {
  content: counter(install);
  position: absolute;
  inset-inline-start: 18px;
  top: 18px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.install-steps pre {
  background: var(--ink);
  color: #e2e8f0;
  border-radius: 8px;
  padding: 14px 16px;
  margin-block-start: 10px;
  overflow-x: auto;
  font-size: 0.9rem;
  direction: ltr;
  text-align: left;
}

.install-steps code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
}

.install-steps li > code,
.install-steps li strong + code {
  background: var(--surface-alt);
  border-radius: 5px;
  padding: 1px 7px;
  font-size: 0.88em;
  direction: ltr;
  unicode-bidi: embed;
}

/* ------------------------------------------------------------------- faq */
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  margin-block-start: 14px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  padding: 18px 22px;
  list-style: none;
  position: relative;
  padding-inline-end: 48px;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  inset-inline-end: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem;
  color: var(--accent);
  font-weight: 400;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  padding: 0 22px 18px;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

/* -------------------------------------------------------------- legal page */
.legal h1 {
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  letter-spacing: -0.01em;
  margin-block-end: 12px;
}

.legal-meta {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin-block-end: 32px;
  padding-block-end: 24px;
  border-bottom: 1px solid var(--border);
}

.legal h2 {
  font-size: 1.25rem;
  margin-block: 32px 12px;
}

.legal p {
  color: var(--ink-soft);
  margin-block-end: 14px;
}

.legal ul {
  color: var(--ink-soft);
  padding-inline-start: 22px;
  margin-block-end: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.legal code {
  background: var(--surface-alt);
  border-radius: 5px;
  padding: 1px 7px;
  font-size: 0.88em;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  unicode-bidi: embed;
}

.legal a {
  color: var(--accent);
}

.legal-back {
  margin-block-start: 40px;
  padding-block-start: 24px;
  border-top: 1px solid var(--border);
}

.legal-back a {
  font-weight: 600;
  text-decoration: none;
}

/* ---------------------------------------------------------------- footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 28px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.site-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

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

/* ------------------------------------------------------------- responsive */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-subtitle {
    margin-inline: auto;
  }

  .hero-ctas {
    justify-content: center;
  }

  .steps,
  .features-grid,
  .perm-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .site-nav {
    display: none;
  }

  .header-inner {
    justify-content: space-between;
  }

  .hero {
    padding-block: 48px 64px;
  }

  .steps,
  .features-grid,
  .perm-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding-block: 52px;
  }
}