/* ============================================================
   INTELLIFY — Modern Engineering Design System
   Visual Identity: Modern Engineering, Regional Intelligence, Quiet Confidence
   ============================================================ */

:root {
  /* Surface & Background Palette */
  --ink-950: #07111F;
  --ink-900: #0B1728;
  --ink-850: #102036;
  --surface: #12243A;
  --surface-raised: #172B43;
  --surface-hover: #1E3552;
  
  /* Borders & Dividers */
  --line: rgba(177, 198, 219, 0.14);
  --line-strong: rgba(177, 198, 219, 0.28);

  /* Typography Colors */
  --text-primary: #F3F7FB;
  --text-secondary: #A9B8C9;
  --text-muted: #78899D;
  --text-dim: #94A3B8;

  /* Accent & Interactive (Teal/Cyan Primary) */
  --accent: #27C2C4;
  --accent-hover: #38D4D6;
  --accent-soft: rgba(39, 194, 196, 0.12);
  --accent-border: rgba(39, 194, 196, 0.32);
  --violet-limited: #8177E6;
  --violet-soft: rgba(129, 119, 230, 0.12);

  /* Feedback Colors */
  --success: #36C98F;
  --success-soft: rgba(54, 201, 143, 0.14);
  --danger: #F16F7A;
  --danger-soft: rgba(241, 111, 122, 0.14);

  /* Dimensions & Spacing */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  --container-max: 1200px;
  --nav-height: 74px;

  /* Typography Stacks */
  --font-en: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-ar-head: 'Alexandria', 'Cairo', Tahoma, sans-serif;
  --font-ar-body: 'Cairo', 'Noto Sans Arabic', Tahoma, sans-serif;
  --font-family: var(--font-en);
  --font-family-head: var(--font-en);

  /* Shadow Tokens */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(7, 17, 31, 0.45);
  --shadow-lg: 0 16px 40px rgba(7, 17, 31, 0.6);
  --shadow-accent: 0 8px 24px rgba(39, 194, 196, 0.18);
}

html[lang="ar"], body.rtl {
  --font-family: var(--font-ar-body);
  --font-family-head: var(--font-ar-head);
  direction: rtl;
  text-align: right;
}

/* Base Resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  background-color: var(--ink-950);
}

body {
  font-family: var(--font-family);
  background-color: var(--ink-950);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 1rem;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-head);
  color: var(--text-primary);
  line-height: 1.3;
  font-weight: 700;
}

p {
  color: var(--text-secondary);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

ul, ol {
  list-style: none;
}

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

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

/* Accessibility Focus Ring */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Background Canvas */
#particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}

/* Gradient & Typography Helpers */
.gradient-text {
  color: var(--accent);
  background: linear-gradient(135deg, #F3F7FB 20%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

.gradient-text-alt {
  color: var(--violet-limited);
  background: linear-gradient(135deg, var(--accent) 0%, var(--violet-limited) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 12px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 52px;
}

.section-head h2 {
  font-size: clamp(1.85rem, 3.2vw, 2.6rem);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-head p {
  font-size: 1.08rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.22, 0.61, 0.36, 1), background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
  text-align: center;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--accent);
  color: var(--ink-950);
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: var(--shadow-accent);
}

.btn-ghost {
  background-color: var(--surface);
  color: var(--text-primary);
  border-color: var(--line);
}

.btn-ghost:hover {
  background-color: var(--surface-raised);
  border-color: var(--line-strong);
  color: var(--text-primary);
}

/* Icon Flip for RTL */
.rtl .icon-flip {
  transform: scaleX(-1);
}

/* ============================================================
   Navigation Bar
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 100;
  background: rgba(7, 17, 31, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.nav.scrolled {
  background: rgba(7, 17, 31, 0.96);
  border-bottom-color: var(--line-strong);
  box-shadow: var(--shadow-md);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.brand-logo {
  height: 32px;
  width: 32px;
  object-fit: contain;
}

.brand-text {
  font-weight: 700;
  letter-spacing: 0.06em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links li a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 0;
  position: relative;
  transition: color 0.2s ease;
}

.nav-links li a:hover,
.nav-links li a.active {
  color: var(--text-primary);
}

.nav-links li a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  padding: 2px;
}

.lang-btn {
  display: inline-block;
  background: none;
  border: none;
  padding: 4px 10px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.lang-btn.active {
  background: var(--accent);
  color: var(--ink-950);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  background: var(--accent);
  color: var(--ink-950);
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta:hover {
  background: var(--accent-hover);
  box-shadow: var(--shadow-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  padding: 6px;
  cursor: pointer;
}

/* ============================================================
   Hero Section
   ============================================================ */
.hero {
  position: relative;
  padding-top: calc(var(--nav-height) + 60px);
  padding-bottom: 50px;
  overflow: hidden;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  max-width: 660px;
}

.hero-content h1 {
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  line-height: 1.22;
}

.hero-content .lead {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.hero-reassurance {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Hero Interactive Architecture Sequence */
.hero-visual {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
}

.narrative-pipeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pipeline-node {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

.pipeline-node.active {
  border-color: var(--accent);
  background: rgba(39, 194, 196, 0.08);
}

.node-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--ink-850);
  border: 1px solid var(--line-strong);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  flex-shrink: 0;
}

.node-content h4 {
  font-size: 0.92rem;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.node-content p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* ============================================================
   Expectations Trust Strip
   ============================================================ */
.expectations-section {
  padding: 30px 0 60px;
  z-index: 1;
  position: relative;
}

.expectations-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
}

.expectation-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.expectation-icon {
  color: var(--accent);
  flex-shrink: 0;
}

/* ============================================================
   How We Help (Audiences)
   ============================================================ */
#audiences {
  padding: 70px 0;
  position: relative;
  z-index: 1;
}

.audiences-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.audience-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.audience-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
}

.audience-badge {
  align-self: flex-start;
  font-size: 0.76rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-border);
  margin-bottom: 16px;
}

.audience-card h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.audience-subtitle {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 12px;
}

.audience-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 24px;
}

.capability-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
  margin-top: auto;
}

.capability-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.capability-item svg {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.audience-cta {
  width: 100%;
  margin-top: auto;
}

/* ============================================================
   Core Solutions (4 Pillars)
   ============================================================ */
#services {
  padding: 70px 0;
  position: relative;
  z-index: 1;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.pillar-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.pillar-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
}

.pillar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.pillar-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--surface-raised);
  border: 1px solid var(--line-strong);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pillar-tag {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface-raised);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}

.pillar-card h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.pillar-desc {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.pillar-items {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 28px;
  margin-top: auto;
}

.pillar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.pillar-item::before {
  content: '▪';
  color: var(--accent);
}

.pillar-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: auto;
  transition: color 0.2s ease, transform 0.2s ease;
}

.pillar-cta-link:hover {
  color: var(--accent-hover);
}

/* ============================================================
   Why INTELLIFY (3 Differentiators)
   ============================================================ */
#differentiators {
  padding: 70px 0;
  position: relative;
  z-index: 1;
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.diff-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.diff-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
}

.diff-badge {
  align-self: flex-start;
  font-size: 0.76rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--violet-soft);
  color: var(--violet-limited);
  border: 1px solid rgba(129, 119, 230, 0.3);
  margin-bottom: 16px;
}

.diff-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--surface-raised);
  border: 1px solid var(--line-strong);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.diff-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.diff-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ============================================================
   How We Work (4 Stages)
   ============================================================ */
#how-we-work {
  padding: 70px 0;
  position: relative;
  z-index: 1;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.step-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
}

.step-num {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.step-title {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.step-deliverable {
  margin-top: auto;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--surface-raised);
  border-left: 3px solid var(--accent);
  color: var(--text-primary);
}

.rtl .step-deliverable {
  border-left: none;
  border-right: 3px solid var(--accent);
}

/* ============================================================
   Team Section
   ============================================================ */
.team-section {
  padding: 70px 0;
  position: relative;
  z-index: 1;
}

.team-cards {
  display: flex;
  justify-content: center;
}

.team-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  max-width: 800px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}

.team-info h3 {
  font-size: 1.35rem;
  margin-bottom: 6px;
}

.team-role {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 14px;
}

.team-bio {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.team-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--surface-raised);
  border: 1px solid var(--line);
  color: var(--text-secondary);
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.icon-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--surface-hover);
}

/* ============================================================
   Insights Preview & Cards
   ============================================================ */
#insights-preview,
.insights-page-section {
  padding: 70px 0;
  position: relative;
  z-index: 1;
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.insight-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.insight-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
}

.insight-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.insight-tag {
  font-size: 0.74rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-border);
}

.insight-readtime {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.insight-card h3 {
  font-size: 1.18rem;
  margin-bottom: 12px;
  line-height: 1.4;
}

.insight-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.insight-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: auto;
  transition: color 0.2s ease;
}

.insight-link:hover {
  color: var(--accent-hover);
}

/* Chips Filter */
.chip {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.86rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.chip:hover {
  background: var(--surface-raised);
  color: var(--text-primary);
}

.chip.selected {
  background: var(--accent);
  color: var(--ink-950);
  border-color: var(--accent);
  font-weight: 600;
}

/* ============================================================
   Standalone Article Pages
   ============================================================ */
.article-page-wrap {
  padding-top: calc(var(--nav-height) + 40px);
  padding-bottom: 80px;
  position: relative;
  z-index: 1;
}

.article-detail-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 48px 44px;
  max-width: 860px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}

.article-back-nav {
  margin-bottom: 24px;
}

.article-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  transition: color 0.2s ease;
}

.article-back-link:hover {
  color: var(--accent-hover);
}

.article-detail-card h1 {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  margin-bottom: 16px;
  line-height: 1.3;
}

.article-detail-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.article-body-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.article-body-content p {
  margin-bottom: 20px;
}

.article-body-content h3 {
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-top: 32px;
  margin-bottom: 14px;
}

.article-cta-box {
  margin-top: 40px;
  padding: 24px;
  background: var(--surface-raised);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

/* ============================================================
   FAQ Accordion
   ============================================================ */
#faq {
  padding: 70px 0;
  position: relative;
  z-index: 1;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item.active {
  border-color: var(--accent-border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color 0.2s ease;
}

.rtl .faq-question {
  text-align: right;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-icon {
  color: var(--accent);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  background: rgba(7, 17, 31, 0.4);
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ============================================================
   Final CTA
   ============================================================ */
.final-cta-section {
  padding: 70px 0 100px;
  position: relative;
  z-index: 1;
}

.cta-box {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}

.cta-box h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  margin: 16px 0 14px;
}

.cta-box p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.cta-support {
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--ink-900);
  border-top: 1px solid var(--line);
  padding: 70px 0 30px;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1.2fr 1.2fr;
  gap: 48px;
  margin-bottom: 50px;
}

.footer-col h4 {
  font-size: 0.95rem;
  margin-bottom: 18px;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer-col ul li a:hover {
  color: var(--accent);
}

.footer-col p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
}

.footer-bottom a:hover {
  color: var(--text-primary);
}

/* ============================================================
   Page Hero (Inner Pages)
   ============================================================ */
.page-hero {
  padding-top: calc(var(--nav-height) + 50px);
  padding-bottom: 40px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  font-size: clamp(2rem, 3.8vw, 3rem);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.page-hero p {
  font-size: 1.1rem;
  max-width: 720px;
  margin: 0 auto;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   Forms & Contact Page
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 40px;
  align-items: start;
}

.contact-info-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
}

.contact-info-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.contact-info-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 28px;
}

.direct-channels {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.direct-channel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.92rem;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.direct-channel:hover {
  border-color: var(--accent);
  background: var(--surface-hover);
}

.direct-channel svg {
  color: var(--accent);
  flex-shrink: 0;
}

.direct-channel-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.direct-channel-title {
  font-weight: 600;
  unicode-bidi: isolate;
  display: block;
}

.rtl .direct-channel-title {
  direction: ltr;
  text-align: right;
  unicode-bidi: isolate;
}

.input-ltr,
input[type="email"],
input[type="tel"],
input[type="url"],
.input-ltr {
  direction: ltr !important;
  text-align: left;
  unicode-bidi: isolate;
}

.rtl .input-ltr,
.rtl input[type="email"],
.rtl input[type="tel"],
.rtl input[type="url"] {
  direction: ltr !important;
  text-align: right;
  unicode-bidi: isolate;
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field label {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-primary);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--ink-900);
  border: 1px solid var(--line);
  color: var(--text-primary);
  font-size: 0.92rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(39, 194, 196, 0.15);
  outline: none;
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.field-helper {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.consent-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.5;
  cursor: pointer;
}

.consent-checkbox input {
  margin-top: 3px;
  accent-color: var(--accent);
}

.form-status {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  display: none;
}

.form-status.success {
  background: var(--success-soft);
  color: var(--success);
  border: 1px solid var(--success);
}

.form-status.error {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid var(--danger);
}

/* ============================================================
   Legal Pages (Privacy, Terms, Academic Integrity)
   ============================================================ */
.legal-shell {
  padding-top: calc(var(--nav-height) + 40px);
  padding-bottom: 80px;
  position: relative;
  z-index: 1;
}

.legal-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  max-width: 860px;
  margin: 0 auto;
}

.legal-card h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.legal-updated {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.legal-section {
  margin-bottom: 32px;
}

.legal-section h2,
.legal-section h3 {
  font-size: 1.22rem;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.legal-section p {
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.legal-section ul {
  padding-left: 20px;
  margin-bottom: 14px;
}

.rtl .legal-section ul {
  padding-left: 0;
  padding-right: 20px;
}

.legal-section ul li {
  list-style: disc;
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* ============================================================
   Modal Reader (Progressive Enhancement)
   ============================================================ */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(7, 17, 31, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-backdrop.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  max-width: 720px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.close-btn {
  background: var(--surface-raised);
  border: 1px solid var(--line);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.close-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent);
}

/* Toast Notifications */
.toast-wrap {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rtl .toast-wrap {
  right: auto;
  left: 24px;
}

.toast {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  box-shadow: var(--shadow-lg);
  font-size: 0.88rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.toast.success {
  border-color: var(--success);
}

.toast.error {
  border-color: var(--danger);
}

/* Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ============================================================
   Responsive Media Queries
   ============================================================ */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-content {
    max-width: 100%;
  }
  .audiences-grid,
  .diff-grid,
  .insights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .expectations-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .team-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: var(--ink-900);
    border-bottom: 1px solid var(--line-strong);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    transform: translateY(-120%);
    transition: transform 0.25s ease;
  }
  .nav-links.open {
    transform: translateY(0);
  }
  .nav-toggle {
    display: block;
  }
  .nav-cta {
    display: none;
  }
  .hero-content h1 {
    font-size: 2.1rem;
  }
  .audiences-grid,
  .pillars-grid,
  .diff-grid,
  .steps-grid,
  .insights-grid {
    grid-template-columns: 1fr;
  }
  .expectations-strip {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .legal-card,
  .article-detail-card {
    padding: 24px;
  }
}