/* =============================================
   Dr. Mohamed Alalem – Dental Clinic Portfolio
   CSS Stylesheet
   ============================================= */

/* ---- CSS Variables / Themes ---- */
:root {
  /* Brand Palette */
  --clr-primary: #1a6fa8;
  --clr-primary-light: #2b8fd4;
  --clr-primary-dark: #104e7a;
  --clr-accent: #4fc3f7;
  --clr-accent-soft: #e3f4fd;

  /* Neutral */
  --clr-white: #ffffff;
  --clr-off-white: #f7fafd;
  --clr-gray-50: #f0f4f8;
  --clr-gray-100: #e2eaf0;
  --clr-gray-200: #c8d6e3;
  --clr-gray-400: #8fa8be;
  --clr-gray-600: #4a6580;
  --clr-gray-800: #1e3248;
  --clr-gray-900: #0f1e2e;

  /* Semantic */
  --clr-success: #43a047;
  --clr-error: #e53935;

  /* Surfaces */
  --bg-body: #f7fafd;
  --bg-surface: #ffffff;
  --bg-surface-alt: #eef5fb;
  --bg-nav: rgba(255, 255, 255, 0.96);
  --border-color: #dde8f0;

  /* Text */
  --text-primary: #1e3248;
  --text-secondary: #4a6580;
  --text-muted: #8fa8be;

  /* Typography */
  --font-heading: "Poppins", sans-serif;
  --font-body: "Open Sans", sans-serif;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(26, 111, 168, 0.08);
  --shadow-md: 0 6px 24px rgba(26, 111, 168, 0.12);
  --shadow-lg: 0 16px 48px rgba(26, 111, 168, 0.16);

  /* Transitions */
  --transition: 0.3s ease;
  --transition-slow: 0.6s ease;

  /* Nav Height */
  --nav-h: 72px;
}

/* ---- Dark Mode ---- */
[data-theme="dark"] {
  --bg-body: #0a1628;
  --bg-surface: #0f2040;
  --bg-surface-alt: #0d1b33;
  --bg-nav: rgba(10, 22, 40, 0.97);
  --border-color: #1e3a5f;

  --text-primary: #e8f1fa;
  --text-secondary: #a0bdd4;
  --text-muted: #5a7a96;

  --clr-accent-soft: #0d2a42;
  --clr-gray-50: #0d1b33;
  --clr-gray-100: #1e3a5f;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
}

/* ---- Arabic / RTL ---- */
[lang="ar"] {
  --font-heading: "Cairo", sans-serif;
  --font-body: "Cairo", sans-serif;
  font-family: "Cairo", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.7;
  transition:
    background-color var(--transition),
    color var(--transition);
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
}

a {
  color: var(--clr-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--clr-primary-light);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ============================================
   SECTION UTILITIES
   ============================================ */
.section-pad {
  padding: 80px 0;
}
@media (max-width: 768px) {
  .section-pad {
    padding: 60px 0;
  }
}

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-primary);
  background: var(--clr-accent-soft);
  padding: 6px 16px;
  border-radius: 40px;
  margin-bottom: 14px;
  border: 1px solid rgba(26, 111, 168, 0.15);
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   NAVBAR
   ============================================ */
#mainNav {
  background: var(--bg-nav);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  height: var(--nav-h);
  z-index: 1000;
  transition:
    background var(--transition),
    box-shadow var(--transition);
}

#mainNav.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-primary);
  color: #fff;
  border-radius: 10px;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.brand-sub {
  font-size: 0.7rem;
  color: var(--clr-primary);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary) !important;
  padding: 8px 12px !important;
  border-radius: 8px;
  transition:
    color var(--transition),
    background var(--transition);
  white-space: nowrap;
}
.nav-link:hover,
.nav-link.active {
  color: var(--clr-primary) !important;
  background: var(--clr-accent-soft);
}

/* Language + Theme Buttons */
.btn-lang,
.btn-theme {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-heading);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-lang:hover,
.btn-theme:hover {
  background: var(--clr-primary);
  color: #fff;
  border-color: var(--clr-primary);
}

/* Hamburger */
.navbar-toggler {
  border: none;
  background: transparent;
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.navbar-toggler:focus {
  box-shadow: none;
}
.toggler-icon {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

@media (max-width: 991px) {
  .navbar-collapse {
    background: var(--bg-nav);
    border-top: 1px solid var(--border-color);
    padding: 16px 0;
    margin: 0 -12px;
  }
  .navbar-collapse .nav-link {
    padding: 10px 20px !important;
  }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 22, 40, 0.82) 0%,
    rgba(26, 111, 168, 0.55) 60%,
    rgba(10, 22, 40, 0.7) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--nav-h) + 40px);
  padding-bottom: 80px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-accent);
  border: 1px solid rgba(79, 195, 247, 0.4);
  padding: 5px 18px;
  border-radius: 40px;
  margin-bottom: 20px;
  backdrop-filter: blur(6px);
  background: rgba(79, 195, 247, 0.08);
}

.hero-title {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-title-accent {
  color: var(--clr-accent);
  font-weight: 300;
  font-size: 0.6em;
  letter-spacing: 0.04em;
  display: block;
}

.hero-desc {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: rgba(255, 255, 255, 0.82);
  max-width: 540px;
  margin: 0 auto 36px;
  line-height: 1.75;
}

.btn-hero-primary {
  background: var(--clr-primary);
  color: #fff;
  padding: 14px 30px;
  border-radius: 12px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid var(--clr-primary);
  transition: all var(--transition);
}
.btn-hero-primary:hover {
  background: var(--clr-primary-light);
  border-color: var(--clr-primary-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26, 111, 168, 0.4);
}

.btn-hero-outline {
  background: transparent;
  color: #fff;
  padding: 14px 30px;
  border-radius: 12px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid rgba(255, 255, 255, 0.5);
  transition: all var(--transition);
}
.btn-hero-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

.hero-scroll-cue {
  margin-top: 50px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.5));
  display: block;
}
.scroll-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-accent);
  animation: scrollBounce 1.5s ease-in-out infinite;
  display: block;
}
@keyframes scrollBounce {
  0%,
  100% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(6px);
    opacity: 0.5;
  }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-img-wrap {
  position: relative;
  display: inline-block;
  max-width: 380px;
  width: 100%;
}

.about-img-accent {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 80%;
  height: 80%;
  border-radius: 20px;
  background: linear-gradient(
    135deg,
    var(--clr-accent-soft),
    var(--clr-gray-100)
  );
  border: 2px solid var(--border-color);
  z-index: 0;
}

.about-portrait {
  position: relative;
  z-index: 1;
  border-radius: 20px;
  width: 100%;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}

.about-badge-exp {
  position: absolute;
  bottom: 20px;
  left: -20px;
  z-index: 2;
  background: var(--clr-primary);
  color: #fff;
  border-radius: 16px;
  padding: 14px 20px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 110px;
}

.exp-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.exp-label {
  font-size: 0.65rem;
  font-weight: 500;
  text-align: center;
  opacity: 0.85;
  line-height: 1.3;
  margin-top: 4px;
}

.about-bio {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 14px;
  line-height: 1.8;
}

.education-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.edu-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 18px;
  border-radius: 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  transition: box-shadow var(--transition);
}
.edu-item:hover {
  box-shadow: var(--shadow-sm);
}

.edu-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-accent-soft);
  color: var(--clr-primary);
  border-radius: 8px;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.edu-degree {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.edu-year {
  font-size: 0.75rem;
  color: var(--clr-primary);
  font-weight: 600;
  margin-top: 2px;
}

/* ---- Stats ---- */
.stats-row {
  background: var(--bg-surface);
  border-radius: 20px;
  padding: 32px 16px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.stat-card {
  text-align: center;
  padding: 20px 10px;
}

.stat-icon {
  font-size: 1.8rem;
  color: var(--clr-primary);
  margin-bottom: 10px;
  opacity: 0.7;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--clr-primary);
  display: inline;
  line-height: 1;
}

.stat-plus {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--clr-accent);
  display: inline;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 6px;
  display: block;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 32px 28px;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
  cursor: default;
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--clr-accent);
}

.service-icon-wrap {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: color-mix(in srgb, var(--svc-color) 15%, transparent);
  color: var(--svc-color);
  font-size: 1.5rem;
  margin-bottom: 20px;
  transition: background var(--transition);
}
.service-card:hover .service-icon-wrap {
  background: color-mix(in srgb, var(--svc-color) 25%, transparent);
}

.service-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.service-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex-grow: 1;
  margin-bottom: 20px;
}

.btn-learn {
  display: inline-flex;
  align-items: center;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--clr-primary);
  transition:
    gap var(--transition),
    color var(--transition);
  gap: 4px;
  align-self: flex-start;
}
.btn-learn:hover {
  color: var(--clr-primary-light);
  gap: 8px;
}
.btn-learn i {
  font-size: 0.7rem;
}

/* ============================================
   CERTIFICATIONS SECTION
   ============================================ */
.cert-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 32px 24px;
  transition:
    transform var(--transition),
    box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.cert-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.cert-seal {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  box-shadow: 0 4px 16px rgba(26, 111, 168, 0.3);
}
.cert-seal--gold {
  background: linear-gradient(135deg, #f5a623, #f8d054);
  box-shadow: 0 4px 16px rgba(245, 166, 35, 0.35);
}
.cert-seal--teal {
  background: linear-gradient(135deg, #00838f, #4dd0e1);
  box-shadow: 0 4px 16px rgba(0, 131, 143, 0.3);
}
.cert-seal--purple {
  background: linear-gradient(135deg, #6a1b9a, #ce93d8);
  box-shadow: 0 4px 16px rgba(106, 27, 154, 0.3);
}

.cert-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.cert-body {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex-grow: 1;
  margin-bottom: 14px;
}

.cert-year {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--clr-primary);
  background: var(--clr-accent-soft);
  padding: 3px 12px;
  border-radius: 20px;
}

/* ============================================
   GALLERY SECTION
   ============================================ */
.gallery-item {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--clr-gray-100);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.06);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 22, 40, 0.75) 0%,
    transparent 60%
  );
  display: flex;
  align-items: flex-end;
  padding: 18px;
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay span {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.03em;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonial-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 40px 36px;
  box-shadow: var(--shadow-sm);
  margin: 0 auto;
  position: relative;
}
.testimonial-card::before {
  content: "\201C";
  font-family: Georgia, serif;
  font-size: 6rem;
  line-height: 0;
  position: absolute;
  top: 48px;
  left: 32px;
  color: var(--clr-accent);
  opacity: 0.2;
}

.testi-stars {
  color: #f5a623;
  font-size: 1rem;
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
  gap: 3px;
}

.testi-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.8;
  margin-bottom: 28px;
  quotes: none;
  border: none;
  padding: 0;
}

.testi-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.testi-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--clr-accent-soft);
}

.testi-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
}
.testi-role {
  font-size: 0.75rem;
  color: var(--clr-primary);
  font-weight: 500;
}

/* Carousel Controls */
.carousel-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  transition: all var(--transition);
  cursor: pointer;
}
.carousel-btn:hover {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: #fff;
}

.indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-color);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: all var(--transition);
}
.indicator.active,
.indicator:hover {
  background: var(--clr-primary);
  width: 24px;
  border-radius: 4px;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
  background: var(--bg-surface-alt);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.ci-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--clr-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(26, 111, 168, 0.3);
}

.ci-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.ci-value {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
}
.ci-value a {
  color: var(--text-primary);
}
.ci-value a:hover {
  color: var(--clr-primary);
}

.social-links {
  display: flex;
  gap: 10px;
}
.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all var(--transition);
}
.social-btn:hover {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ---- Form ---- */
.booking-form {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 40px 36px;
  box-shadow: var(--shadow-sm);
}
@media (max-width: 576px) {
  .booking-form {
    padding: 28px 20px;
  }
}

.form-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.input-wrap {
  position: relative;
}

.input-icon {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: color var(--transition);
  z-index: 1;
  pointer-events: none;
}

[dir="ltr"] .input-icon {
  left: 14px;
}
[dir="rtl"] .input-icon {
  right: 14px;
}

.input-icon--top {
  top: 18px;
  transform: none;
}

.custom-input {
  width: 100%;
  background: var(--bg-body);
  border: 1.5px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  height: 48px;
  transition:
    border-color var(--transition),
    box-shadow var(--transition);
  outline: none;
}

[dir="ltr"] .custom-input {
  padding: 0 14px 0 40px;
}
[dir="rtl"] .custom-input {
  padding: 0 40px 0 14px;
}

.custom-input:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(26, 111, 168, 0.12);
}

.custom-input:focus + .input-icon,
.input-wrap:focus-within .input-icon {
  color: var(--clr-primary);
}

.custom-input.is-invalid {
  border-color: var(--clr-error);
}
.custom-input.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.12);
}

.custom-textarea {
  height: auto !important;
  resize: vertical;
  line-height: 1.6;
}
[dir="ltr"] .custom-textarea {
  padding: 14px 14px 14px 40px;
}
[dir="rtl"] .custom-textarea {
  padding: 14px 40px 14px 14px;
}

.custom-select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.invalid-msg {
  display: none;
  font-size: 0.75rem;
  color: var(--clr-error);
  margin-top: 5px;
  font-weight: 500;
}
.form-group.has-error .invalid-msg {
  display: block;
}

.btn-submit {
  width: 100%;
  background: var(--clr-primary);
  color: #fff;
  padding: 15px 24px;
  border-radius: 12px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  min-height: 52px;
}
.btn-submit:hover:not(:disabled) {
  background: var(--clr-primary-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(26, 111, 168, 0.35);
}
.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--clr-gray-900);
  color: var(--clr-gray-400);
  padding: 60px 0 0;
}

.footer-top {
  padding-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  margin-bottom: 14px;
}
.footer-brand .brand-icon {
  background: var(--clr-primary);
}
.footer-brand .brand-name {
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
}

.footer-tagline {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--clr-gray-600);
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #fff;
  margin-bottom: 14px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a {
  font-size: 0.85rem;
  color: var(--clr-gray-600);
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--clr-accent);
}

.footer-hours {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.hours-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.83rem;
  color: var(--clr-gray-600);
  gap: 12px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--clr-gray-600);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
  position: fixed;
  bottom: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}
[dir="ltr"] .toast-container {
  right: 24px;
}
[dir="rtl"] .toast-container {
  left: 24px;
}

.toast-msg {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-radius: 14px;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  pointer-events: all;
  animation: toastIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  max-width: 320px;
  min-width: 260px;
  backdrop-filter: blur(12px);
}
.toast-msg.toast-success {
  background: rgba(67, 160, 71, 0.95);
  color: #fff;
}
.toast-msg.toast-error {
  background: rgba(229, 57, 53, 0.95);
  color: #fff;
}
.toast-msg.toast-exit {
  animation: toastOut 0.3s ease forwards;
}
@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(40px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}
@keyframes toastOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(40px);
  }
}
@keyframes toastInRtl {
  from {
    opacity: 0;
    transform: translateX(-40px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

[dir="rtl"] .toast-msg {
  animation-name: toastInRtl;
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 90px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--clr-primary);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
  z-index: 999;
}
[dir="ltr"] .back-to-top {
  right: 24px;
}
[dir="rtl"] .back-to-top {
  left: 24px;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--clr-primary-light);
  transform: translateY(-2px);
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.fade-up,
.fade-left,
.fade-right {
  opacity: 0;
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.fade-up {
  transform: translateY(40px);
}
.fade-left {
  transform: translateX(-40px);
}
.fade-right {
  transform: translateX(40px);
}

.fade-up.animated,
.fade-left.animated,
.fade-right.animated {
  opacity: 1;
  transform: translate(0);
}

/* Delay helpers */
[data-delay="100"] {
  transition-delay: 0.1s;
}
[data-delay="200"] {
  transition-delay: 0.2s;
}
[data-delay="300"] {
  transition-delay: 0.3s;
}
[data-delay="400"] {
  transition-delay: 0.4s;
}

/* ============================================
   RESPONSIVE TWEAKS
   ============================================ */
@media (max-width: 576px) {
  .hero-actions {
    gap: 12px;
  }
  .btn-hero-primary,
  .btn-hero-outline {
    width: 100%;
    justify-content: center;
  }
  .about-badge-exp {
    left: 10px;
    bottom: 10px;
  }
  .about-img-accent {
    display: none;
  }
  .testimonial-card {
    padding: 28px 20px;
  }
  .testimonial-card::before {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-h: 64px;
  }
}

/* RTL Adjustments */
[dir="rtl"] .fa-arrow-right::before {
  content: "\f060";
}
[dir="rtl"] .me-1 {
  margin-right: 0;
  margin-left: 0.25rem;
}
[dir="rtl"] .me-2 {
  margin-right: 0;
  margin-left: 0.5rem;
}
[dir="rtl"] .ms-1 {
  margin-left: 0;
  margin-right: 0.25rem;
}
[dir="rtl"] .ms-2 {
  margin-left: 0;
  margin-right: 0.5rem;
}
[dir="rtl"] .ms-3 {
  margin-left: 0;
  margin-right: 1rem;
}
[dir="rtl"] .about-badge-exp {
  left: auto;
  right: -20px;
}
[dir="rtl"] .about-img-accent {
  right: auto;
  left: -20px;
}

/* Print */
@media print {
  .navbar,
  .back-to-top,
  .toast-container,
  .hero-scroll-cue {
    display: none;
  }
  .section-pad {
    padding: 30px 0;
  }
}