/* ========================================
   Alaa — Data Science & ML Consultancy
   Silver & Green Palette
   ======================================== */

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

:root {
  --green-deep:   #065F46;
  --green-dark:   #047857;
  --green:        #059669;
  --green-bright: #10B981;
  --green-mint:   #34D399;
  --green-light:  #A7F3D0;
  --green-tint:   #D1FAE5;
  --green-wash:   #ECFDF5;

  --silver-50:   #F5F6F8;
  --silver-100:  #EEF0F3;
  --silver-200:  #E2E5EA;
  --silver-300:  #D1D5DB;
  --silver-400:  #B0B7C3;
  --silver-500:  #8E95A0;
  --silver-600:  #6B7280;
  --silver-700:  #4B5563;
  --silver-800:  #374151;

  --dark:        #16182A;
  --text:        #2A2D3E;
  --white:       #FBFCFD;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--silver-50);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ----- Container ----- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 48px; }
.section { padding: 80px 0; }

.section-label {
  font-size: 13px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 2px;
  color: var(--green); margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.section-label::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
}
.section h2 {
  font-size: 36px; font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--dark); margin-bottom: 8px;
}

/* ========================================
   NAVIGATION
   ======================================== */
.nav {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(251, 252, 253, 0.95);
  border-bottom: 1px solid var(--silver-200);
  backdrop-filter: blur(12px);
}
.nav-inner {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 48px; max-width: 1200px; margin: 0 auto; position: relative;
}
.nav-logo { font-size: 22px; font-weight: 800; color: var(--dark); letter-spacing: -0.5px; }
.nav-logo span { color: var(--green); }
.nav-links { display: flex; justify-content: space-between; align-items: center; flex: 1; margin-left: 24px; }
.nav-left, .nav-right { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  color: var(--silver-700); font-size: 14px; font-weight: 500;
  transition: color 0.2s; position: relative;
}
.nav-links a:hover { color: var(--green); }
.nav-links a.active { color: var(--green); }
.nav-cta {
  background: var(--green); color: white !important;
  padding: 10px 22px; border-radius: 6px;
  font-weight: 600; font-size: 13px !important;
  box-shadow: 0 2px 8px rgba(5, 150, 105, 0.25);
}
.nav-cta:hover { background: var(--green-dark) !important; }

.lang-toggle {
  background: none; border: 1px solid var(--silver-300);
  padding: 6px 14px; border-radius: 6px;
  font-size: 13px; font-weight: 600; cursor: pointer;
  color: var(--silver-700); transition: all 0.2s;
  font-family: inherit;
}
.lang-toggle:hover { border-color: var(--green); color: var(--green); }

.nav-lang { display: none; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle span {
  width: 24px; height: 2px; background: var(--dark);
  border-radius: 2px; transition: all 0.3s;
}

/* Social nav link */
.nav-social {
  font-size: 13px !important; font-weight: 600 !important;
  color: var(--silver-500) !important;
}
.nav-social:hover { color: var(--green) !important; }

/* ----- Nav Dropdown ----- */
.nav-dropdown { position: relative; display: inline-block; }
.nav-dropdown-btn {
  background: none; border: none;
  color: var(--silver-700); font-size: 14px; font-weight: 500;
  cursor: pointer; font-family: inherit; padding: 0;
  transition: color 0.2s;
}
.nav-dropdown-btn:hover { color: var(--green); }
.nav-dropdown-menu {
  position: absolute; top: 100%; left: 0; min-width: 180px;
  background: var(--white); border: 1px solid var(--silver-200);
  border-radius: 8px; padding: 8px; box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  opacity: 0; visibility: hidden; transform: translateY(4px);
  transition: all 0.2s; z-index: 100;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown-menu:hover { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-dropdown-item {
  display: block; padding: 8px 14px; border-radius: 6px;
  color: var(--silver-700); font-size: 14px; font-weight: 500;
  transition: all 0.15s;
}
.nav-dropdown-item:hover { background: var(--green-wash); color: var(--green); }
.nav-dropdown-item.active { color: var(--green); }

/* ========================================
   HERO
   ======================================== */
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}
.hero-visual { position: relative; }
.hero-photo {
  width: 100%; max-width: 480px; aspect-ratio: 1 / 1;
  border-radius: 20px; background: var(--silver-300);
  overflow: hidden; border: 3px solid var(--silver-200);
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; }
.hero-tag {
  display: inline-block; background: var(--green-tint); color: var(--green-dark);
  font-size: 13px; font-weight: 600; padding: 6px 16px; border-radius: 20px; margin-bottom: 20px;
}
.hero-text h1 {
  font-size: 48px; font-weight: 800;
  letter-spacing: -1.5px; line-height: 1.1; color: var(--dark); margin-bottom: 16px;
}
.hero-text h1 span { color: var(--green); }
.hero-text p { font-size: 18px; color: var(--silver-600); margin-bottom: 32px; max-width: 480px; }

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px; border-radius: 8px;
  font-size: 15px; font-weight: 600; transition: all 0.25s;
  border: none; cursor: pointer; font-family: inherit;
}
.btn-green {
  background: var(--green); color: white;
  box-shadow: 0 4px 16px rgba(5, 150, 105, 0.3);
}
.btn-green:hover { background: var(--green-dark); transform: translateY(-1px); }
.btn-silver {
  background: var(--white); color: var(--dark);
  border: 1px solid var(--silver-300);
}
.btn-silver:hover { border-color: var(--green); color: var(--green); }
.btn-ghost {
  background: transparent; color: var(--silver-600); padding: 14px 0;
}
.btn-ghost:hover { color: var(--green); }

/* ========================================
   SYMPTOMS
   ======================================== */
.symptoms-section { background: var(--silver-100); }
.symptoms-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 14px; margin-top: 36px;
}
.symptom-card {
  background: var(--white); border: 1px solid var(--silver-200);
  border-radius: 10px; padding: 20px 22px;
  font-size: 15px; line-height: 1.5;
  display: flex; align-items: flex-start; gap: 14px;
  transition: all 0.25s;
}
.symptom-card:hover {
  border-color: var(--green);
  box-shadow: 0 4px 24px rgba(5, 150, 105, 0.08);
  transform: translateY(-2px);
}
.symptom-icon {
  width: 36px; height: 36px; margin-top: 2px;
  background: var(--green-wash); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--green-bright); font-size: 16px; flex-shrink: 0;
}

/* ========================================
   PHILOSOPHY
   ======================================== */
.philosophy-card {
  background: var(--white); border: 1px solid var(--silver-200);
  border-radius: 16px; padding: 56px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: center; margin-top: 36px;
}
.philosophy-card h3 { font-size: 26px; font-weight: 700; color: var(--dark); margin-bottom: 16px; }
.philosophy-card p { color: var(--silver-600); font-size: 16px; margin-bottom: 16px; }
.philosophy-card p:last-of-type { margin-bottom: 24px; }
.pill-group { display: flex; flex-wrap: wrap; gap: 10px; }
.pill {
  background: var(--green-wash); color: var(--green-dark);
  font-size: 13px; font-weight: 600; padding: 6px 16px; border-radius: 20px;
}
.philosophy-visual {
  background: var(--silver-100); border-radius: 12px; height: 260px;
  display: flex; align-items: center; justify-content: center;
  color: var(--silver-500); font-size: 14px;
  border: 1px dashed var(--silver-300); overflow: hidden;
}
.philosophy-visual img { width: 100%; height: 100%; object-fit: cover; }

.video-embed {
  position: relative; width: 100%; height: 100%;
}
.video-embed iframe {
  width: 100%; height: 100%; border-radius: 10px;
}

/* ========================================
   STUDY CARD
   ======================================== */
.study-card {
  background: var(--white); border: 1px solid var(--silver-200);
  border-radius: 16px; padding: 48px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: center; margin-top: 36px;
}
.study-card .client-tag {
  font-size: 12px; font-weight: 600; color: var(--silver-500);
  text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 6px;
}
.study-card h3 { font-size: 22px; font-weight: 700; color: var(--dark); margin-bottom: 20px; }
.study-metric {
  font-size: 14px; color: var(--silver-700);
  padding: 12px 0; border-bottom: 1px solid var(--silver-200);
  display: flex; gap: 12px;
}
.study-metric:last-of-type { border-bottom: none; }
.study-metric strong {
  color: var(--green); font-size: 11px;
  text-transform: uppercase; letter-spacing: 1px;
  min-width: 60px; flex-shrink: 0;
}
.study-mockup {
  background: var(--silver-100); border-radius: 10px; height: 240px;
  display: flex; align-items: center; justify-content: center;
  color: var(--silver-400); font-size: 14px; font-weight: 500;
  border: 1px dashed var(--silver-300); overflow: hidden;
}
.study-mockup img { width: 100%; height: 100%; object-fit: cover; }

/* ========================================
   SOLUTIONS
   ======================================== */
.solution-card {
  background: var(--white); border: 1px solid var(--silver-200);
  border-radius: 16px; padding: 40px 48px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 40px; align-items: center; margin-bottom: 20px;
  transition: all 0.25s;
}
.solution-card:hover { border-color: var(--green); box-shadow: 0 4px 24px rgba(5,150,105,0.06); }
.solution-card .symptom-label {
  font-size: 12px; font-weight: 600; color: var(--silver-500);
  text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 4px;
}
.solution-card .symptom-text {
  font-size: 20px; font-weight: 600; color: var(--silver-800);
  margin-bottom: 20px; font-style: italic;
}
.solution-card h3 { font-size: 22px; font-weight: 700; color: var(--dark); margin-bottom: 16px; }
.solution-benefits { display: flex; flex-direction: column; gap: 8px; }
.solution-benefits li {
  font-size: 14px; color: var(--silver-700);
  display: flex; align-items: center; gap: 10px;
}
.solution-benefits li::before {
  content: ''; width: 6px; height: 6px;
  background: var(--green); border-radius: 50%; flex-shrink: 0;
}
.solution-mockup {
  background: var(--silver-100); border-radius: 12px; height: 220px;
  display: flex; align-items: center; justify-content: center;
  color: var(--silver-400); font-size: 14px; border: 1px dashed var(--silver-300);
}
.solution-card:nth-child(even) .solution-mockup { order: -1; }

/* ========================================
   ABOUT
   ======================================== */
.about-lead {
  background: var(--white); border: 1px solid var(--silver-200);
  border-radius: 16px; padding: 48px;
  display: grid; grid-template-columns: 280px 1fr;
  gap: 40px; align-items: start; margin-top: 36px;
}
.about-photo {
  width: 100%; aspect-ratio: 1 / 1;
  border-radius: 14px; background: var(--silver-300); overflow: hidden;
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-lead h3 { font-size: 24px; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.about-lead .lead-title { font-size: 14px; color: var(--green); font-weight: 600; margin-bottom: 16px; }
.about-lead p { color: var(--silver-600); font-size: 15px; }

.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; }
.team-card {
  background: var(--white); border: 1px solid var(--silver-200);
  border-radius: 14px; padding: 28px; text-align: center;
}
.team-card .avatar {
  width: 72px; height: 72px; background: var(--silver-200);
  border-radius: 50%; margin: 0 auto 16px; overflow: hidden;
}
.team-card .avatar img { width: 100%; height: 100%; object-fit: cover; }
.team-card h4 { font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 2px; }
.team-card .role { font-size: 13px; color: var(--green); font-weight: 600; margin-bottom: 10px; }
.team-card p { font-size: 13px; color: var(--silver-600); }

/* ========================================
   CREDENTIALS
   ======================================== */
.credentials-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 36px; }
.cert-card {
  background: var(--white); border: 1px solid var(--silver-200);
  border-radius: 10px; padding: 18px 22px;
  display: flex; align-items: center; gap: 16px; transition: all 0.2s;
}
.cert-card:hover { border-color: var(--green); box-shadow: 0 2px 12px rgba(5,150,105,0.06); }
.cert-icon {
  width: 40px; height: 40px; background: var(--green-wash);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  color: var(--green); font-size: 18px; flex-shrink: 0;
}
.cert-card h4 { font-size: 14px; font-weight: 600; color: var(--dark); margin-bottom: 2px; }
.cert-card span { font-size: 12px; color: var(--silver-500); }

.featured-certs { margin-top: 36px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.featured-cert {
  background: var(--green-wash); border: 1px solid var(--green-tint);
  border-radius: 14px; padding: 28px; text-align: center;
}
.featured-cert .cert-icon-lg { font-size: 32px; margin-bottom: 12px; }
.featured-cert h4 { font-size: 14px; font-weight: 700; color: var(--green-dark); margin-bottom: 4px; }
.featured-cert span { font-size: 12px; color: var(--green); }

/* ========================================
   BOOKING PAGE
   ======================================== */
.process-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 36px; }
.process-step {
  background: var(--white); border: 1px solid var(--silver-200);
  border-radius: 16px; padding: 32px; position: relative;
}
.process-step .step-num {
  font-size: 32px; font-weight: 800; color: var(--green-tint);
  line-height: 1; margin-bottom: 12px;
}
.process-step h4 { font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.process-step p { font-size: 14px; color: var(--silver-600); }

.faq-list { max-width: 700px; margin: 36px auto 0; }
.faq-item { border-bottom: 1px solid var(--silver-200); padding: 20px 0; }
.faq-question {
  font-size: 16px; font-weight: 600; color: var(--dark);
  cursor: pointer; display: flex; justify-content: space-between;
  align-items: center; background: none; border: none;
  width: 100%; text-align: left; padding: 0; font-family: inherit;
}
.faq-question::after {
  content: '+'; font-size: 20px; color: var(--green);
  transition: transform 0.3s;
}
.faq-question.open::after { transform: rotate(45deg); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
  color: var(--silver-600); font-size: 14px; line-height: 1.7;
}
.faq-answer.open { max-height: 300px; padding-top: 12px; }

.calendly-wrapper {
  margin-top: 48px; border-radius: 16px; overflow: hidden;
  border: 1px solid var(--silver-200); background: var(--white);
  min-height: 600px;
}

/* ========================================
   BOOKING CTA
   ======================================== */
.booking-section {
  background: var(--silver-100); text-align: center;
  border-top: 1px solid var(--silver-200);
}
.booking-section h2 { font-size: 36px; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.booking-section p {
  color: var(--silver-600); max-width: 500px; margin: 0 auto 32px; font-size: 17px;
}
.booking-buttons { display: flex; gap: 16px; justify-content: center; }

/* ========================================
   STICKY BOOKING
   ======================================== */
.sticky-book {
  position: fixed; bottom: 32px; right: 32px;
  background: var(--green); color: white;
  padding: 16px 28px; border-radius: 50px;
  font-size: 15px; font-weight: 600; text-decoration: none;
  box-shadow: 0 6px 24px rgba(5, 150, 105, 0.35);
  z-index: 100; display: flex; align-items: center; gap: 10px;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.5s, transform 0.5s, background 0.2s;
  pointer-events: none;
}
.sticky-book.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.sticky-book:hover { background: var(--green-dark); }

/* ========================================
   WHATSAPP
   ======================================== */
.whatsapp-float {
  position: fixed; bottom: 32px; left: 32px; z-index: 100;
  width: 52px; height: 52px; background: #25D366; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3); transition: transform 0.2s;
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg { width: 26px; height: 26px; fill: white; }

/* ========================================
   BLOG
   ======================================== */
.blog-card {
  display: block; background: var(--white); border: 1px solid var(--silver-200);
  border-radius: 14px; padding: 28px 32px; margin-bottom: 16px;
  transition: all 0.25s;
}
.blog-card:hover { border-color: var(--green); box-shadow: 0 4px 24px rgba(5,150,105,0.06); transform: translateY(-2px); }
.blog-meta { font-size: 12px; color: var(--silver-500); margin-bottom: 8px; }
.blog-card h3 { font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.blog-card p { font-size: 14px; color: var(--silver-600); margin-bottom: 12px; }
.blog-readmore { font-size: 13px; font-weight: 600; color: var(--green); }
.blog-article-content {
  background: var(--white); border: 1px solid var(--silver-200);
  border-radius: 16px; padding: 48px; max-width: 720px; margin: 0 auto;
}
.blog-article-content h3 { font-size: 22px; font-weight: 700; color: var(--dark); margin: 28px 0 12px; }
.blog-article-content h3:first-child { margin-top: 0; }
.blog-article-content p { font-size: 16px; color: var(--silver-600); line-height: 1.8; margin-bottom: 16px; }

/* ========================================
   CONTACT FORM
   ======================================== */
.contact-section { background: var(--silver-100); }
.contact-form {
  max-width: 600px; margin: 36px auto 0;
  display: flex; flex-direction: column; gap: 16px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%; padding: 14px 16px; border: 1px solid var(--silver-300);
  border-radius: 8px; font-size: 15px; font-family: inherit;
  background: var(--white); color: var(--text); transition: border-color 0.2s;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none; border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-tint);
}
.contact-form button { align-self: flex-start; }

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--dark); padding: 40px 48px;
  display: flex; justify-content: space-between; align-items: center;
  color: var(--silver-500); font-size: 13px;
}
.footer a { color: var(--silver-400); transition: color 0.2s; }
.footer a:hover { color: var(--green-light); }

/* ========================================
   RTL OVERRIDES
   ======================================== */
html[dir="rtl"] .section-label::before { margin-left: 0; }
html[dir="rtl"] .symptom-card { text-align: right; }
html[dir="rtl"] .study-metric strong { min-width: 70px; }
html[dir="rtl"] .faq-question { text-align: right; }
html[dir="rtl"] .faq-question::after { margin-right: auto; margin-left: 0; }
html[dir="rtl"] .sticky-book { right: auto; left: 90px; }
html[dir="rtl"] .whatsapp-float { left: auto; right: 32px; }
html[dir="rtl"] .solution-card:nth-child(even) .solution-mockup { order: 1; }
html[dir="rtl"] .solution-benefits li::before { margin-left: 6px; margin-right: 0; }
html[dir="rtl"] .hero-text p { max-width: 100%; }
html[dir="rtl"] .nav-dropdown-menu { left: auto; right: 0; }
html[dir="rtl"] .nav-links { margin-left: 0; margin-right: 24px; }
html[dir="rtl"] .blog-card { text-align: right; }
html[dir="rtl"] .blog-card h3 { text-align: right; }
html[dir="rtl"] .contact-form button { align-self: flex-end; }

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .symptoms-grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-certs { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: 1fr; max-width: 500px; margin-left: auto; margin-right: auto; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: 60px 0; }
  .section h2 { font-size: 28px; }

  .nav-inner { padding: 14px 20px; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white); flex-direction: column;
    padding: 20px; gap: 16px;
    border-bottom: 1px solid var(--silver-200); display: none;
  }
  .nav-links.open { display: flex; }
  .nav-left, .nav-right { flex-direction: column; gap: 16px; width: 100%; align-items: center; }
  .nav-left { order: 2; }
  .nav-right { order: 3; }
  .nav-cta { width: 100%; text-align: center; }
  .nav-links .lang-toggle { display: none; }
  .nav-lang { display: block; position: absolute; top: 50%; right: 60px; transform: translateY(-50%); }
  .nav-dropdown { width: 100%; text-align: center; }
  .nav-dropdown-btn { display: none; }
  .nav-dropdown-menu { position: static; box-shadow: none; border: none; padding: 0; opacity: 1; visibility: visible; transform: none; display: flex; flex-direction: column; align-items: center; gap: 16px; background: none; }
  .nav-dropdown-item { padding: 0; font-size: 14px; font-weight: 500; color: var(--silver-700); }
  .nav-dropdown-item:hover { background: none; color: var(--green); }

  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-text h1 { font-size: 32px; }
  .hero-text p { font-size: 16px; }
  .hero-visual { max-width: 320px; margin: 0 auto; }
  .hero-visual img { max-width: 100%; }
  .hero-photo { max-width: 100%; }

  .symptoms-grid { grid-template-columns: 1fr; }
  .philosophy-card { grid-template-columns: 1fr; padding: 32px; }
  .study-card { grid-template-columns: 1fr; padding: 28px; }
  .solution-card { grid-template-columns: 1fr; padding: 28px; }
  .solution-card:nth-child(even) .solution-mockup { order: 0; }

  .calendly-wrapper { min-height: 400px; }
  .video-embed { height: 200px; }
  .about-lead { grid-template-columns: 1fr; padding: 32px; }
  .about-photo { max-width: 220px; margin: 0 auto; }
  .team-grid { grid-template-columns: 1fr; }
  .featured-certs { grid-template-columns: 1fr; }
  .credentials-grid { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }

  .booking-buttons { flex-direction: column; align-items: center; }
  .booking-section h2 { font-size: 28px; }

  .footer { flex-direction: column; gap: 12px; text-align: center; padding: 32px 20px; }

  html[dir="rtl"] .sticky-book { right: auto; left: 20px; }
  html[dir="rtl"] .nav-lang { right: auto; left: 60px; }
}