/* ==========================================================================
   Think Tank Strategists — Design Tokens & Base
   ========================================================================== */

:root {
  /* Color */
  --bg: #14100e;
  --bg-elevated: #1b1613;
  --bg-elevated-2: #221b17;
  --border: rgba(244, 239, 233, 0.12);
  --border-strong: rgba(244, 239, 233, 0.22);
  --fg: #f5f0e8;
  --fg-muted: #b9afa2;
  --fg-faint: #83786c;
  --accent: #8a2332;
  --accent-hover: #a92c3e;
  --accent-soft: rgba(138, 35, 50, 0.14);
  --accent-soft-strong: rgba(138, 35, 50, 0.28);
  --on-accent: #f5f0e8;

  /* Type */
  --font-en-head: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-en-body: 'Inter', 'Segoe UI', sans-serif;
  --font-ar: 'Cairo', 'Segoe UI', sans-serif;

  --fs-body: 1rem;
  --fs-sm: 0.875rem;
  --fs-xs: 0.78rem;
  --fs-lg: 1.125rem;
  --fs-h1: clamp(2.6rem, 5.5vw, 5rem);
  --fs-h2: clamp(2rem, 3.6vw, 3.1rem);
  --fs-h3: clamp(1.4rem, 2.2vw, 1.9rem);
  --fs-h4: 1.15rem;
  --lh-body: 1.7;
  --lh-tight: 1.12;

  /* Space (8pt rhythm) */
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
  --space-8: 6rem;
  --space-9: 8rem;

  --container: 1240px;
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 28px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 180ms;
  --dur-med: 420ms;
  --dur-slow: 720ms;

  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@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;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-en-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

html[dir="rtl"] body,
html[dir="rtl"] { font-family: var(--font-ar); }
html[dir="rtl"] h1, html[dir="rtl"] h2, html[dir="rtl"] h3,
html[dir="rtl"] h4, html[dir="rtl"] .eyebrow, html[dir="rtl"] .logo-word,
html[dir="rtl"] .btn, html[dir="rtl"] .nav-link, html[dir="rtl"] .stat-num {
  font-family: var(--font-ar);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-en-head);
  font-weight: 600;
  line-height: var(--lh-tight);
  margin: 0;
  letter-spacing: -0.01em;
}
h1 { font-size: var(--fs-h1); font-weight: 700; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p { margin: 0; color: var(--fg-muted); }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) { .container { padding-inline: var(--space-6); } }

section { padding-block: var(--space-8); }
.section-tight { padding-block: var(--space-7); }

/* Eyebrow label, e.g. "(WHO WE ARE)" */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-en-head);
  font-size: var(--fs-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: var(--space-3);
}
.eyebrow::before,
.eyebrow::after { content: ""; }
.eyebrow-mark { color: var(--accent); }

.eyebrow-line {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.eyebrow-line .rule {
  width: 28px;
  height: 1px;
  background: var(--accent);
}

/* Links / focus */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-hover);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 0.9rem 1.7rem;
  border-radius: 999px;
  font-family: var(--font-en-head);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast);
  min-height: 44px;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

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

.btn-outline {
  background: transparent;
  color: var(--fg);
  border-color: var(--border-strong);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-ghost {
  background: transparent;
  color: var(--fg-muted);
}
.btn-ghost:hover { color: var(--fg); }

/* ==========================================================================
   Header / Nav
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(20, 16, 14, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.brand img { height: 40px; width: auto; }

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-5);
}
@media (min-width: 1024px) {
  .nav-links { display: flex; }
}

.nav-link {
  font-family: var(--font-en-head);
  font-size: var(--fs-sm);
  letter-spacing: 0.03em;
  color: var(--fg-muted);
  transition: color var(--dur-fast);
  position: relative;
  padding: var(--space-1) 0;
}
.nav-link .paren { color: var(--fg-faint); }
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--fg); }
.nav-link[aria-current="page"] .paren { color: var(--accent); }

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  overflow: hidden;
  min-height: 40px;
}
.lang-toggle button {
  background: transparent;
  border: none;
  color: var(--fg-muted);
  font-family: var(--font-en-head);
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 0.5rem 0.9rem;
  min-width: 44px;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.lang-toggle button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--on-accent);
}

.nav-right .btn-primary { display: none; }
@media (min-width: 640px) { .nav-right .btn-primary { display: inline-flex; } }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--fg);
}
@media (min-width: 1024px) { .nav-toggle { display: none; } }

.mobile-panel {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4) var(--space-5);
  border-top: 1px solid var(--border);
}
.mobile-panel.is-open { display: flex; }
.mobile-panel .nav-link { padding: var(--space-2) 0; font-size: var(--fs-lg); }
@media (min-width: 1024px) { .mobile-panel { display: none !important; } }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding-block: var(--space-8) var(--space-7);
  position: relative;
}

.hero-grid {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; gap: var(--space-7); }
}

.hero h1 { margin-block: var(--space-3) var(--space-4); }
.hero-lede {
  font-size: var(--fs-lg);
  max-width: 46ch;
  color: var(--fg-muted);
  margin-bottom: var(--space-5);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.hero-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}
.hero-media img {
  width: 100%; height: 100%; object-fit: cover;
}
.img-grayscale { filter: grayscale(100%); }
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,16,14,0) 40%, rgba(20,16,14,0.7) 100%);
}
.hero-tag {
  position: absolute;
  bottom: var(--space-4);
  inset-inline-start: var(--space-4);
  z-index: 2;
  background: rgba(20,16,14,0.72);
  backdrop-filter: blur(6px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  max-width: 260px;
}
.hero-tag strong { display: block; font-family: var(--font-en-head); font-size: 1.4rem; color: var(--fg); }
.hero-tag span { font-size: var(--fs-xs); color: var(--fg-muted); }

/* Stat row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
  margin-top: var(--space-6);
}
@media (min-width: 640px) { .stats-row { grid-template-columns: repeat(4, 1fr); } }
.stat-num {
  font-family: var(--font-en-head);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--fg);
}
.stat-num .accent { color: var(--accent-hover); }
.stat-label { font-size: var(--fs-xs); color: var(--fg-muted); letter-spacing: 0.02em; }

/* ==========================================================================
   Section headers
   ========================================================================== */

.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
@media (min-width: 900px) {
  .section-head-row {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}
.section-head p { max-width: 52ch; }

/* ==========================================================================
   Cards: why-choose
   ========================================================================== */

.card-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .card-grid-2 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .card-grid-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .card-grid-4 { grid-template-columns: repeat(4, 1fr); } }

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: border-color var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out), background var(--dur-med);
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  background: var(--bg-elevated-2);
}
.card-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent-soft);
  color: var(--accent-hover);
  margin-bottom: var(--space-4);
}
.card-icon svg { width: 24px; height: 24px; }
.card h3 { font-size: 1.2rem; margin-bottom: var(--space-2); }
.card p { font-size: var(--fs-sm); }

/* Numbered service cards */
.num-card {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
}
.num-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.num-card .num {
  font-family: var(--font-en-head);
  font-size: var(--fs-sm);
  color: var(--fg-faint);
}
.num-card h3 { font-size: 1.25rem; }
.num-card p { font-size: var(--fs-sm); }
.num-card .learn-more {
  margin-top: auto;
  font-family: var(--font-en-head);
  font-size: var(--fs-xs);
  letter-spacing: 0.03em;
  color: var(--accent-hover);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Approach steps */
.step-list {
  display: grid;
  gap: var(--space-4);
}
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-top: 1px solid var(--border);
}
.step:first-child { border-top: none; }
.step .num {
  font-family: var(--font-en-head);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 3ch;
}
.step h3 { margin-bottom: var(--space-1); font-size: 1.15rem; }
.step p { font-size: var(--fs-sm); max-width: 60ch; }

/* Testimonials / quote */
.quote-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-inline-start: 3px solid var(--accent);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}
.quote-card p.quote-text {
  font-size: var(--fs-lg);
  color: var(--fg);
  font-family: var(--font-en-head);
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: var(--space-4);
}
.quote-meta { display: flex; flex-direction: column; }
.quote-meta strong { font-size: var(--fs-sm); color: var(--fg); }
.quote-meta span { font-size: var(--fs-xs); color: var(--fg-muted); }

/* ==========================================================================
   Photo gallery strip
   ========================================================================== */

.gallery-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}
@media (min-width: 768px) { .gallery-strip { grid-template-columns: repeat(4, 1fr); } }
.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 3/4;
  border: 1px solid var(--border);
  position: relative;
}
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}
.gallery-item:hover img { transform: scale(1.06); }
.gallery-cap {
  position: absolute; inset-inline: 0; bottom: 0;
  padding: var(--space-3);
  font-size: var(--fs-xs);
  color: var(--fg);
  background: linear-gradient(0deg, rgba(20,16,14,0.85), transparent);
}

/* ==========================================================================
   CTA band
   ========================================================================== */

.cta-band {
  background: linear-gradient(135deg, var(--accent-soft-strong), transparent 60%), var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-7) var(--space-5);
  text-align: center;
}
.cta-band h2 { margin-bottom: var(--space-3); }
.cta-band p { max-width: 56ch; margin-inline: auto; margin-bottom: var(--space-5); }
.cta-actions { display: flex; justify-content: center; gap: var(--space-3); flex-wrap: wrap; }

/* ==========================================================================
   Team
   ========================================================================== */

.team-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .team-grid { grid-template-columns: repeat(3, 1fr); } }
.team-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-elevated);
}
.team-photo { aspect-ratio: 4/5; overflow: hidden; }
.team-photo img { width: 100%; height: 100%; object-fit: cover; }
.team-info { padding: var(--space-4); }
.team-info h3 { font-size: 1.1rem; }
.team-info .role { color: var(--accent-hover); font-size: var(--fs-xs); font-family: var(--font-en-head); letter-spacing: 0.03em; margin-block: var(--space-1) var(--space-2); }
.team-info p { font-size: var(--fs-sm); }

/* ==========================================================================
   Forms
   ========================================================================== */

.form-grid { display: grid; gap: var(--space-4); }
@media (min-width: 640px) { .form-row-2 { grid-template-columns: 1fr 1fr; display: grid; gap: var(--space-4); } }

.field { display: flex; flex-direction: column; gap: var(--space-1); }
.field label {
  font-size: var(--fs-sm);
  color: var(--fg-muted);
  font-family: var(--font-en-head);
}
.field input, .field select, .field textarea {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--fg);
  font-family: inherit;
  font-size: var(--fs-body);
  min-height: 44px;
  transition: border-color var(--dur-fast);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.field .hint { font-size: var(--fs-xs); color: var(--fg-faint); }
.field-required::after { content: " *"; color: var(--accent-hover); }

.contact-info-list { display: grid; gap: var(--space-4); }
.contact-info-item { display: flex; gap: var(--space-3); align-items: flex-start; }
.contact-info-item .card-icon { margin-bottom: 0; flex: none; }
.contact-info-item h4 { font-size: var(--fs-body); margin-bottom: 2px; }
.contact-info-item p { font-size: var(--fs-sm); }

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: var(--space-7) var(--space-5);
  background: var(--bg-elevated);
}
.footer-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-6);
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.footer-brand img { height: 42px; margin-bottom: var(--space-3); }
.footer-brand p { font-size: var(--fs-sm); max-width: 32ch; }
.footer-col h4 {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-faint);
  margin-bottom: var(--space-3);
  font-family: var(--font-en-head);
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a, .footer-col p {
  font-size: var(--fs-sm);
  color: var(--fg-muted);
  transition: color var(--dur-fast);
}
.footer-col a:hover { color: var(--fg); }
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
  font-size: var(--fs-xs);
  color: var(--fg-faint);
}
@media (min-width: 768px) {
  .footer-bottom { flex-direction: row; align-items: center; justify-content: space-between; }
}
.social-row { display: flex; gap: var(--space-2); }
.social-row a {
  width: 38px; height: 38px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--fg-muted);
  transition: color var(--dur-fast), border-color var(--dur-fast);
}
.social-row a:hover { color: var(--accent-hover); border-color: var(--accent); }
.social-row svg { width: 16px; height: 16px; }

/* ==========================================================================
   Page hero (inner pages)
   ========================================================================== */

.page-hero {
  padding-block: var(--space-7) var(--space-6);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { font-size: var(--fs-h2); margin-block: var(--space-2) var(--space-3); }
.page-hero p { max-width: 60ch; font-size: var(--fs-lg); }
.breadcrumb {
  display: flex; gap: var(--space-2); align-items: center;
  font-size: var(--fs-xs); color: var(--fg-faint);
  margin-bottom: var(--space-2);
}
.breadcrumb a { color: var(--fg-muted); }
.breadcrumb a:hover { color: var(--accent-hover); }

/* ==========================================================================
   Reveal animation
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* Service detail block */
.service-block {
  padding-block: var(--space-6);
  border-top: 1px solid var(--border);
}
.service-block:first-child { border-top: none; padding-top: 0; }
.service-block-grid {
  display: grid;
  gap: var(--space-5);
}
@media (min-width: 900px) {
  .service-block-grid { grid-template-columns: 0.9fr 1.1fr; align-items: start; }
}
.service-block .num {
  font-family: var(--font-en-head);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: var(--space-2);
}
.service-block h3 { margin-bottom: var(--space-3); }

.check-list { display: grid; gap: var(--space-3); margin-top: var(--space-4); }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--fg-muted);
}
.check-list svg {
  flex: none;
  width: 20px; height: 20px;
  color: var(--accent-hover);
  margin-top: 1px;
}

/* Wide media banner (About/team, etc.) */
.wide-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 21 / 9;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}
.wide-media img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 640px) { .wide-media { aspect-ratio: 4 / 3; } }

/* Chips */
.chip-row { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 1.2rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: var(--fs-sm);
  color: var(--fg-muted);
  transition: border-color var(--dur-fast), color var(--dur-fast);
}
.chip:hover { border-color: var(--accent); color: var(--fg); }

/* Mirror directional icons in RTL */
html[dir="rtl"] .learn-more svg,
html[dir="rtl"] .icon-flip { transform: scaleX(-1); }

/* Utility */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}
.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -60px;
  background: var(--accent);
  color: var(--on-accent);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--dur-fast);
}
.skip-link:focus { top: var(--space-3); }