/* iLabTek UI — blue + orange + white (override layer) */

:root {
  /* Palette: white / blue / orange only */
  --rd-white: #ffffff;
  /* Page shell: light green wash (preview — sections/cards stay white) */
  --rd-bg: #ecfdf5;
  --rd-bg-alt: #dff5e8;
  --rd-blue: #1d4ed8;
  --rd-blue-dark: #1e3a8a;
  --rd-blue-soft: #dbeafe;
  /* Light warm orange (was deeper #ea580c) */
  --rd-orange: #fb923c;
  --rd-orange-hover: #f97316;
  --rd-orange-soft: #fff7ed;
  --rd-orange-rgb: 251, 146, 60;

  --rd-surface-1: #ffffff;
  --rd-surface-2: #f8fafc;
  --rd-border: #e2e8f0;
  --rd-border-strong: #cbd5e1;

  --rd-text: #0f172a;
  --rd-text-muted: #475569;
  --rd-text-faint: #64748b;

  --rd-accent-1: var(--rd-blue);
  --rd-accent-2: var(--rd-orange);
  --rd-accent-3: var(--rd-blue-dark);
  --rd-gradient: linear-gradient(135deg, var(--rd-blue) 0%, #2563eb 100%);
  --rd-gradient-cta: linear-gradient(135deg, #fdba74 0%, var(--rd-orange) 100%);

  --rd-radius-sm: 10px;
  --rd-radius: 14px;
  --rd-radius-lg: 18px;

  --rd-shadow-sm: 0 1px 2px rgba(30, 58, 138, 0.06), 0 4px 16px rgba(15, 23, 42, 0.06);
  --rd-shadow-md: 0 4px 6px rgba(30, 58, 138, 0.07), 0 12px 28px rgba(15, 23, 42, 0.08);

  --rd-ring: 0 0 0 3px rgba(37, 99, 235, 0.35);

  /* Fixed header = promo bar + main nav (Fastbit / Shopify-style stack) */
  --rd-header-promo-h: 44px;
  --rd-header-nav-h: 72px;
  --rd-header-stack: calc(var(--rd-header-promo-h) + var(--rd-header-nav-h));

  /* Bottom fixed UI stack (WhatsApp, internship pill, cookie) */
  --rd-safe-bottom: env(safe-area-inset-bottom, 0px);
  --rd-fixed-gap: 12px;
  --rd-whatsapp-size: 50px;
  --rd-bottom-base: calc(var(--rd-fixed-gap) + var(--rd-safe-bottom));
  --rd-bottom-whatsapp: var(--rd-bottom-base);
}

/* ---------- Global reset/typography ---------- */
html {
  scroll-padding-top: calc(var(--rd-header-stack) + 12px);
  background-color: var(--rd-bg);
  max-width: 100%;
  overflow-x: hidden;
}

@media (max-width: 520px) {
  :root {
    --rd-header-promo-h: 52px;
  }
}

body {
  background:
    radial-gradient(1200px 520px at 18% -12%, rgba(16, 185, 129, 0.14), transparent 58%),
    radial-gradient(900px 480px at 88% 8%, rgba(5, 150, 105, 0.1), transparent 52%),
    linear-gradient(180deg, #f4fcf7 0%, var(--rd-bg) 38%, #e2f4eb 100%);
  color: var(--rd-text);
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
  padding-top: var(--rd-header-stack);
  max-width: 100%;
  overflow-x: hidden;
}

main {
  max-width: 100%;
  overflow-x: hidden;
}

/* Slightly wider reading width (common on modern storefront themes) */
.container {
  max-width: 1200px;
  width: 100%;
  box-sizing: border-box;
}

/* Strict brand: all headings use primary blue */
h1, h2, h3, h4, h5, h6 {
  color: #1e3a8a;
  letter-spacing: -0.02em;
}

p {
  color: var(--rd-text-muted);
}

/* Dark bands only: shop hero + footer (homepage hero copy sits on a light card — see below) */
.shop-hero h1,
.site-footer h1,
.site-footer h2,
.site-footer h3,
.site-footer h4 {
  color: var(--rd-white) !important;
}

/* Homepage hero: text on white card must stay dark */
.hero .hero-content h1 {
  color: #1e3a8a !important;
}

.hero .hero-content .hero-subtitle {
  color: var(--rd-text) !important;
}

.hero .hero-content .hero-description {
  color: var(--rd-text-muted) !important;
}

.hero .hero-content .stat-number {
  color: #1e3a8a !important;
}

.hero .hero-content .stat-label {
  color: var(--rd-text-muted) !important;
}

/* STEM & Robotics Lab block (dark .lab-detail-section): heading reads in white */
.lab-detail-section .lab-detail-content h2 {
  color: var(--rd-white) !important;
}

/* ---------- Header / Navigation (light storefront shell, cf. Fastbit-style shops) ---------- */
.site-header {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  background: var(--rd-white);
  backdrop-filter: none;
  border-bottom: 1px solid var(--rd-border);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
}

.store-promo-bar {
  flex-shrink: 0;
}

.site-header .header-inner {
  flex-shrink: 0;
  border-bottom: 3px solid var(--rd-orange);
  /* Brand left, main nav after a large flex gap, auth stays right (.header-actions margin-left:auto) */
  justify-content: flex-start !important;
  /* Tighter horizontal pad + safe-area for notched devices */
  padding-left: max(10px, env(safe-area-inset-left, 0px)) !important;
  padding-right: max(10px, env(safe-area-inset-right, 0px)) !important;
  min-width: 0;
  box-sizing: border-box;
}

.brand .brand-text {
  letter-spacing: -0.03em;
  font-weight: 800;
  color: var(--rd-blue-dark) !important;
  text-shadow: none;
}

/* Main nav: extra space after brand (margin-right:auto on .brand) + fixed minimum gap */
.site-header .nav {
  margin-left: clamp(48px, 14vw, 220px) !important;
  gap: 14px;
}

.site-header .header-actions {
  margin-left: auto;
}

.site-header .brand {
  margin-right: auto;
  padding-right: clamp(8px, 1.5vw, 24px);
}

.nav a {
  color: var(--rd-text-muted);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: 999px;
}

.nav a::after {
  display: none !important;
}

.nav a:hover {
  color: var(--rd-blue-dark);
  background: var(--rd-blue-soft);
}

.nav a.active {
  color: var(--rd-blue-dark);
  background: var(--rd-blue-soft);
  border: 1px solid rgba(29, 78, 216, 0.2);
}

.header-actions {
  gap: 10px;
}

.login-link {
  color: var(--rd-text) !important;
  border-radius: 999px;
  padding: 10px 14px;
}

.login-link:hover {
  background: var(--rd-blue-soft);
  color: var(--rd-blue-dark) !important;
}

.signup-btn {
  border-radius: 999px;
  background: var(--rd-gradient-cta);
  border: 1px solid rgba(var(--rd-orange-rgb), 0.35);
  color: var(--rd-white) !important;
  box-shadow: 0 4px 14px rgba(var(--rd-orange-rgb), 0.3);
}

.signup-btn:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, var(--rd-orange-hover) 0%, var(--rd-orange) 100%);
}

.menu-toggle {
  color: var(--rd-blue-dark) !important;
  border-radius: 12px;
}

.menu-toggle:hover {
  background: var(--rd-blue-soft);
}

@media (max-width: 768px) {
  .site-header .menu-toggle {
    margin-left: auto;
  }
}

/* Mobile menu + backdrop (single source of truth) */
.mobile-nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 998;
  background: rgba(15, 23, 42, 0.45);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.mobile-nav-backdrop.active {
  display: block;
  opacity: 1;
}

.mobile-nav {
  display: none;
  position: fixed;
  top: var(--rd-header-stack) !important;
  left: 0;
  right: 0;
  max-height: calc(100dvh - var(--rd-header-stack));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--rd-white);
  border-bottom: 1px solid var(--rd-border);
  box-shadow: var(--rd-shadow-md);
  z-index: 999;
  flex-direction: column;
  gap: 4px;
  padding: 12px max(12px, env(safe-area-inset-right)) 16px max(12px, env(safe-area-inset-left));
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav a {
  background: transparent;
  color: var(--rd-text) !important;
  border: 1px solid transparent;
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: var(--rd-radius-sm);
  font-weight: 600;
  font-size: 15px;
}

.mobile-nav a:hover,
.mobile-nav a:focus-visible {
  background: var(--rd-blue-soft);
  border-color: var(--rd-border);
  color: var(--rd-blue-dark) !important;
}

body.body--menu-open {
  overflow: hidden;
  touch-action: none;
}

.menu-toggle {
  min-width: 44px;
  min-height: 44px;
}

/* Promo bar: compact / hide on scroll (mobile) */
.store-promo-bar {
  transition: max-height 0.28s ease, opacity 0.22s ease, border-color 0.22s ease;
  max-height: 80px;
  overflow: hidden;
}

.store-promo-bar--hidden {
  max-height: 0;
  opacity: 0;
  border-bottom-color: transparent;
  pointer-events: none;
}

@media (max-width: 768px) {
  .store-promo-text {
    font-size: 12px;
  }

  .store-promo-inner {
    padding: 8px 0;
  }
}

/* ---------- Sections ---------- */
.section {
  padding: 84px 0;
}

.section.alt {
  background: var(--rd-blue-soft);
  border-top: 1px solid var(--rd-border);
  border-bottom: 1px solid var(--rd-border);
}

.section-header p {
  color: var(--rd-text-muted);
}

.section-tag {
  background: var(--rd-white);
  border: 1px solid var(--rd-border);
  color: var(--rd-blue-dark);
}

/* Courses (#courses): brochure download */
.courses-brochure-cta {
  display: flex;
  justify-content: center;
  margin-bottom: 36px;
}

.courses-brochure-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none !important;
}

@media (max-width: 480px) {
  .courses-brochure-cta {
    margin-bottom: 28px;
  }

  .courses-brochure-link {
    width: 100%;
    max-width: 22rem;
    justify-content: center;
  }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(145deg, var(--rd-blue-dark) 0%, #1d4ed8 45%, #2563eb 100%);
  min-height: calc(66vh + 220px);
  border-bottom: 4px solid var(--rd-orange);
}

/* Homepage lab hero: white → blue → orange wash + edge-to-edge image strip */
.hero.hero-lab {
  background:
    radial-gradient(120% 80% at 85% 15%, rgba(var(--rd-orange-rgb), 0.12) 0%, transparent 52%),
    radial-gradient(90% 70% at 10% 90%, rgba(29, 78, 216, 0.12) 0%, transparent 50%),
    linear-gradient(115deg, #ffffff 0%, #f8fbff 28%, #e8f1ff 52%, #fffbf5 72%, #fff5eb 100%);
  min-height: 0;
  border-bottom: 3px solid var(--rd-orange);
  padding-top: 0;
  padding-bottom: clamp(40px, 6vw, 72px);
  /* default .hero uses overflow:hidden which can clip the card + images */
  overflow: visible;
}

/* Lab hero copy row: full viewport width (beats later .container { max-width: 1200px }) */
.hero.hero-lab > .container.hero-inner {
  max-width: none;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

@media (min-width: 1025px) {
  .hero-lab .hero-content h1 {
    font-size: clamp(2.35rem, 2.8vw + 1rem, 3.65rem);
  }

  .hero-lab .hero-subtitle {
    font-size: clamp(1.05rem, 1.2vw + 0.65rem, 1.35rem);
  }

  .hero-lab .hero-description {
    font-size: clamp(1rem, 0.9vw + 0.55rem, 1.15rem);
  }
}

.hero.hero-lab::before {
  display: none;
}

.hero-lab .hero-bg,
.hero-lab .hero-particles {
  display: none !important;
}

/* Full viewport width gallery — taller strip + contain so images aren’t cropped */
.hero-lab .hero-lab-gallery.moving-hero-visual,
.hero-lab .moving-hero-visual.hero-lab-gallery {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: none;
  margin: 0;
  border-radius: 0;
  border: none;
  border-bottom: 1px solid rgba(30, 58, 138, 0.12);
  box-shadow: 0 12px 40px rgba(30, 58, 138, 0.08);
  background: linear-gradient(180deg, #ffffff 0%, #f1f6ff 100%);
  overflow: hidden;
  min-height: 400px;
  height: clamp(400px, 62vh, 760px);
  max-height: min(80vh, 840px);
}

.hero-lab-gallery-shell {
  width: 100%;
  max-width: 100%;
  margin: 0;
  min-width: 0;
  overflow-x: hidden;
}

/* 6 slides + 6 loop duplicates = 12 panels */
.hero-lab .moving-track {
  width: 1200%;
}

.hero-lab-gallery-shell:not(.hero-lab-gallery--js) .moving-track {
  animation: heroStepSlider 12s steps(6, end) infinite;
}

.hero-lab-gallery--js .moving-track {
  animation: none !important;
}

.hero-lab-gallery--js.moving-hero-visual:hover .moving-track {
  animation: none !important;
}

.hero-gallery-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem var(--container-pad, 20px) 0.75rem;
  margin: 0;
  list-style: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, #f8fbff 100%);
  border-top: 1px solid rgba(30, 58, 138, 0.08);
}

.hero-lab-gallery-shell .hero-lab-gallery.moving-hero-visual {
  border-bottom: none;
}

.hero-gallery-dot {
  position: relative;
  width: 2.75rem;
  height: 2.75rem;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  -webkit-tap-highlight-color: transparent;
}

.hero-gallery-dot::after {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(30, 58, 138, 0.28);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.9) inset;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.hero-gallery-dot:hover::after,
.hero-gallery-dot:focus-visible::after {
  background: rgba(29, 78, 216, 0.55);
  transform: scale(1.12);
}

.hero-gallery-dot.active::after {
  background: var(--rd-orange);
  transform: scale(1.25);
  box-shadow: 0 0 0 2px rgba(var(--rd-orange-rgb), 0.25);
}

.hero-gallery-dot:focus-visible {
  outline: 2px solid var(--rd-blue);
  outline-offset: 2px;
}

.hero-lab .hero-lab-gallery .hero-slide {
  flex: 0 0 calc(100% / 12);
  width: calc(100% / 12);
  min-width: 0;
  background: linear-gradient(145deg, #eff6ff 0%, #fff7ed 100%);
  align-self: stretch;
}

.hero-lab .hero-lab-gallery .hero-slide img {
  object-fit: contain;
  object-position: center;
  width: 100%;
  height: 100%;
  max-height: 100%;
  aspect-ratio: auto;
}

@media (max-width: 1024px) {
  .hero-lab .hero-lab-gallery.moving-hero-visual,
  .hero-lab .moving-hero-visual.hero-lab-gallery {
    min-height: 320px;
    height: clamp(320px, 56vh, 640px);
    max-height: min(75vh, 700px);
  }
}

/* ---------- Lab hero: tablet & phone (layout, touch, safe areas) ---------- */
@media (max-width: 1024px) {
  .hero.hero-lab > .container.hero-inner {
    padding-left: max(var(--container-pad, 20px), env(safe-area-inset-left, 0px));
    padding-right: max(var(--container-pad, 20px), env(safe-area-inset-right, 0px));
    padding-top: clamp(20px, 3.5vw, 36px);
  }

  .hero-lab .hero-content {
    padding: clamp(1.25rem, 3.5vw, 1.85rem) clamp(0.85rem, 3vw, 1.35rem);
    border-radius: var(--rd-radius);
    width: 100%;
    max-width: none;
    box-sizing: border-box;
  }

  .hero-lab .hero-badge {
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
    row-gap: 0.35rem;
    column-gap: 0.5rem;
    font-size: clamp(0.72rem, 2.6vw, 0.875rem);
    padding: 0.5rem 0.9rem;
    max-width: 100%;
  }

  .hero-lab .hero-content h1 {
    font-size: clamp(1.55rem, 3.8vw + 0.35rem, 2.45rem);
    line-height: 1.14;
    hyphens: auto;
    -webkit-hyphens: auto;
    overflow-wrap: break-word;
  }

  .hero-lab .hero-subtitle {
    line-height: 1.42;
    padding: 0 0.15rem;
  }

  .hero-lab .hero-description {
    line-height: 1.65;
    padding: 0 0.15rem;
  }

  .hero-lab .hero-buttons {
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
  }

  .hero-lab .hero-buttons .primary-btn,
  .hero-lab .hero-buttons .secondary-btn {
    min-height: 48px;
    min-width: min(100%, 11.5rem);
    flex: 1 1 auto;
    justify-content: center;
    padding-left: 1.1rem;
    padding-right: 1.1rem;
  }

  .hero-lab .hero-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem 0.65rem;
    max-width: 22rem;
    margin-left: auto;
    margin-right: auto;
    justify-content: stretch;
  }

  .hero-lab .hero-stats .stat {
    min-width: 0;
    text-align: center;
  }

  /* Keep slides inside gallery height (global .hero-slide uses 56vh on small screens) */
  .hero-lab .hero-lab-gallery .hero-slide {
    height: 100%;
    max-height: 100%;
  }
}

@media (min-width: 700px) and (max-width: 1024px) {
  .hero-lab .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    max-width: 38rem;
    gap: 0.65rem 0.5rem;
  }

  .hero-lab .hero-stats .stat-number {
    font-size: clamp(1.15rem, 2.2vw, 1.35rem);
  }
}

@media (max-width: 768px) {
  .hero.hero-lab {
    padding-bottom: clamp(24px, 7vw, 44px);
  }

  .hero-lab .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-lab .hero-buttons .primary-btn,
  .hero-lab .hero-buttons .secondary-btn {
    width: 100%;
    min-width: 0;
  }

  .hero-lab .hero-stats {
    max-width: none;
    width: 100%;
    padding: 0 0.2rem;
  }

  .hero-lab .stat-number {
    font-size: clamp(1.28rem, 4.5vw, 1.6rem);
  }

  .hero-lab .stat-label {
    font-size: clamp(0.68rem, 2.2vw, 0.8rem);
  }
}

@media (max-width: 480px) {
  .hero-lab .hero-lab-gallery.moving-hero-visual,
  .hero-lab .moving-hero-visual.hero-lab-gallery {
    min-height: 240px;
    height: clamp(240px, 44vh, 460px);
    max-height: min(62vh, 520px);
  }

  .hero-lab .hero-content {
    padding: 1rem 0.75rem;
    border-radius: var(--rd-radius-sm);
  }

  .hero-lab .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem 0.45rem;
  }
}

@media (hover: hover) and (pointer: fine) {
  .hero-lab .primary-btn:hover,
  .hero-lab .secondary-btn:hover {
    transform: translateY(-2px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-lab .moving-track {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

.hero:not(.hero-lab)::before {
  opacity: 1;
  background:
    radial-gradient(ellipse at 18% 22%, rgba(255, 255, 255, 0.12) 0%, transparent 45%),
    radial-gradient(ellipse at 88% 70%, rgba(249, 115, 22, 0.18) 0%, transparent 42%),
    radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.06) 0%, transparent 55%);
  animation: none;
}

.hero:not(.hero-lab) .hero-bg {
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(249, 115, 22, 0.08) 35%, transparent 70%);
}

.hero:not(.hero-lab) .hero-bg::after {
  background: radial-gradient(circle, rgba(249, 115, 22, 0.12) 0%, transparent 70%);
}

.hero-content h1 .highlight {
  background: linear-gradient(120deg, var(--rd-blue) 0%, var(--rd-blue-dark) 38%, var(--rd-orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.badge-dot {
  background: var(--rd-orange) !important;
}

.hero-content {
  background: var(--rd-white);
  border: 1px solid var(--rd-border);
  border-radius: var(--rd-radius-lg);
  box-shadow: var(--rd-shadow-md);
}

.hero-badge {
  border-radius: 999px;
  background: var(--rd-orange-soft) !important;
  color: var(--rd-orange) !important;
  border: 1px solid rgba(var(--rd-orange-rgb), 0.25) !important;
}

.primary-btn,
.secondary-btn {
  border-radius: 999px;
}

.primary-btn {
  background: var(--rd-gradient);
  color: var(--rd-white) !important;
  border: 1px solid transparent;
}

.primary-btn:hover {
  filter: brightness(1.05);
}

.secondary-btn {
  border: 2px solid var(--rd-blue) !important;
  color: var(--rd-blue) !important;
  background: var(--rd-white) !important;
}

.secondary-btn:hover {
  background: var(--rd-blue-soft) !important;
}

/* ---------- Cards (generic + hero cards) ---------- */
.card,
.lab-feature-card,
.program-card,
.gallery-item,
.instructor-card,
.contact-info,
.contact-form-wrapper,
.tutorial-card,
.tutorial-content,
.product-card,
.shop-filters,
.checkout-container {
  background: var(--rd-white);
  border: 1px solid var(--rd-border);
  border-radius: var(--rd-radius);
  box-shadow: var(--rd-shadow-sm);
}

/* ---------- Tutorials (override tutorial pages' inline CSS) ---------- */
.toc-box {
  background: var(--rd-white) !important;
  border-color: var(--rd-border) !important;
}

.toc-box h3,
.tutorial-body h2,
.tutorial-body h3,
.tutorial-title,
.tutorial-content h1,
.tutorial-content h2,
.tutorial-content h3 {
  color: #1e3a8a !important;
}

.toc-box a,
.meta-item,
.tutorial-description,
.tutorial-body p,
.tutorial-body li {
  color: var(--rd-text-muted) !important;
}

.toc-box a:hover {
  color: var(--rd-blue) !important;
}

.difficulty-badge {
  background: var(--rd-blue) !important;
  color: var(--rd-white) !important;
}

.tutorial-body .code-block,
.code-block {
  background: var(--rd-blue-dark) !important;
  color: var(--rd-white) !important;
  border: 1px solid var(--rd-blue) !important;
}

.tutorial-body .info-box,
.info-box {
  background: var(--rd-blue-soft) !important;
  border-color: rgba(29, 78, 216, 0.25) !important;
  color: var(--rd-text) !important;
}

.tutorial-body .key-concept,
.key-concept {
  background: var(--rd-orange-soft) !important;
  border-left: 4px solid var(--rd-orange) !important;
  color: var(--rd-text) !important;
}

.card:hover,
.lab-feature-card:hover,
.program-card:hover,
.tutorial-card:hover,
.product-card:hover {
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: var(--rd-shadow-md);
}

.card h3,
.tutorial-title,
.product-content h3 {
  color: #1e3a8a;
}

.card p,
.tutorial-description,
.product-content p {
  color: var(--rd-text-muted);
}

/* ---------- Inputs / forms ---------- */
.form-group input,
.form-group select,
.form-group textarea,
.search-box input,
.sort-dropdown select,
.checkout-form-group input {
  background: var(--rd-white) !important;
  color: var(--rd-text) !important;
  border: 1px solid var(--rd-border) !important;
  border-radius: 12px !important;
}

.form-group input::placeholder,
.form-group textarea::placeholder,
.search-box input::placeholder,
.checkout-form-group input::placeholder {
  color: var(--rd-text-faint);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.search-box input:focus,
.sort-dropdown select:focus,
.checkout-form-group input:focus {
  box-shadow: var(--rd-ring) !important;
  border-color: var(--rd-blue) !important;
  outline: none;
}

/* ---------- Shop ---------- */
.shop-hero {
  background: linear-gradient(180deg, var(--rd-blue-dark) 0%, #2563eb 100%);
  border-bottom: 4px solid var(--rd-orange);
}

@media (max-width: 768px) {
  .shop-hero {
    padding-top: calc(var(--rd-header-stack) + 20px) !important;
    padding-bottom: 28px !important;
  }
}

.shop-hero h1,
.shop-hero .breadcrumbs,
.shop-hero .breadcrumbs span {
  color: var(--rd-white) !important;
}

.breadcrumbs a {
  color: rgba(255, 255, 255, 0.9) !important;
}

.breadcrumbs a:hover {
  color: var(--rd-white) !important;
  text-decoration: underline;
}

.product-image {
  background: var(--rd-blue-soft);
}

.product-price {
  background: var(--rd-orange);
  color: var(--rd-white) !important;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.product-actions .add-btn {
  background: var(--rd-gradient-cta) !important;
  color: var(--rd-white) !important;
  border: none !important;
}

.product-actions .checkout-btn {
  background: var(--rd-white) !important;
  color: var(--rd-blue) !important;
  border: 2px solid var(--rd-blue) !important;
}

.product-meta .category {
  background: var(--rd-orange-soft) !important;
  color: var(--rd-orange) !important;
  border: 1px solid rgba(var(--rd-orange-rgb), 0.25) !important;
}

.submit-btn {
  background: var(--rd-gradient-cta) !important;
  color: var(--rd-white) !important;
  border: none !important;
}

.payment-method.selected {
  border-color: var(--rd-blue) !important;
  background: var(--rd-blue-soft) !important;
}

.payment-method:hover {
  border-color: rgba(29, 78, 216, 0.35) !important;
  background: var(--rd-surface-2) !important;
}

.payment-method-icon {
  background: var(--rd-blue-soft) !important;
  color: var(--rd-blue) !important;
}

.payment-method.selected .payment-method-icon {
  background: var(--rd-blue) !important;
  color: var(--rd-white) !important;
}

.payment-method-info h4 {
  color: #1e3a8a !important;
}

.payment-method-info p {
  color: var(--rd-text-muted) !important;
}

.payment-details {
  background: var(--rd-surface-2) !important;
  border: 1px solid var(--rd-border) !important;
}

.place-order-btn {
  background: var(--rd-gradient-cta) !important;
  color: var(--rd-white) !important;
  border: none !important;
}

.place-order-btn:hover {
  filter: brightness(1.05);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--rd-blue-dark);
  border-top: 4px solid var(--rd-orange);
}

.footer-links h4,
.site-footer .brand-text,
.footer-brand .brand-text {
  color: var(--rd-white) !important;
}

.footer-links a,
.footer-brand p,
.footer-contact li {
  color: rgba(255, 255, 255, 0.82) !important;
}

.footer-links a:hover {
  color: var(--rd-white) !important;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.65) !important;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Bulky content blocks (bento / cases) ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.case-card {
  padding: 22px;
  background: var(--rd-white);
  border: 1px solid var(--rd-border);
  border-radius: var(--rd-radius);
  box-shadow: var(--rd-shadow-sm);
}

.case-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.case-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(29, 78, 216, 0.25);
  background: var(--rd-blue-soft);
  color: var(--rd-blue-dark);
  font-weight: 700;
  font-size: 12px;
}

.case-metric {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--rd-orange-soft);
  border: 1px solid rgba(var(--rd-orange-rgb), 0.25);
  color: var(--rd-orange);
  font-size: 12px;
  font-weight: 650;
}

.case-card h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.case-list {
  margin-top: 14px;
  display: grid;
  gap: 10px;
  padding-left: 0;
  list-style: none;
  color: var(--rd-text-muted);
}

.case-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.case-list li::before {
  content: "✓";
  color: var(--rd-blue);
  opacity: 0.95;
  margin-top: 1px;
  font-weight: 800;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.bento-card {
  grid-column: span 4;
  padding: 22px;
  border-radius: var(--rd-radius);
  border: 1px solid var(--rd-border);
  background: var(--rd-white);
  box-shadow: var(--rd-shadow-sm);
}

.bento-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.bento-card p {
  margin-bottom: 0;
}

.bento-wide {
  grid-column: span 8;
}

.bento-tall {
  grid-column: span 4;
  grid-row: span 2;
}

.bento-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.bento-meta span {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--rd-blue-soft);
  border: 1px solid rgba(29, 78, 216, 0.2);
  color: var(--rd-blue-dark);
  font-weight: 650;
}

@media (max-width: 1024px) {
  .case-grid {
    grid-template-columns: 1fr;
  }
  .bento-card,
  .bento-wide,
  .bento-tall {
    grid-column: 1 / -1;
    grid-row: auto;
  }
}

/* ---------- Shop/Contact bulky helpers ---------- */
.shop-bulky,
.contact-bulky {
  margin-top: 28px;
}

.bulky-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.bulky-card {
  grid-column: span 4;
  padding: 22px;
  border-radius: var(--rd-radius);
  border: 1px solid var(--rd-border);
  background: var(--rd-white);
  box-shadow: var(--rd-shadow-sm);
}

.bulky-wide {
  grid-column: span 8;
}

.bulky-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.bulky-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(29, 78, 216, 0.25);
  background: var(--rd-blue-soft);
  color: var(--rd-blue-dark);
  font-weight: 750;
  font-size: 12px;
}

.bulky-note {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--rd-orange-soft);
  border: 1px solid rgba(var(--rd-orange-rgb), 0.25);
  color: var(--rd-orange);
  font-weight: 650;
}

.bulky-chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.bulky-chips span {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--rd-blue-soft);
  border: 1px solid rgba(29, 78, 216, 0.2);
  color: var(--rd-blue-dark);
  font-weight: 650;
}

.bulky-list {
  margin: 12px 0 0;
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  color: var(--rd-text-muted);
}

.bulky-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.bulky-list li::before {
  content: "•";
  color: var(--rd-orange);
  opacity: 0.95;
  margin-top: 1px;
  font-weight: 900;
}

/* Contact FAQ grid */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.faq-item {
  border-radius: var(--rd-radius);
  border: 1px solid var(--rd-border);
  background: var(--rd-white);
  box-shadow: var(--rd-shadow-sm);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  cursor: pointer;
  user-select: none;
}

.faq-question h4 {
  margin: 0;
  font-size: 15px;
  flex: 1;
  color: #1e3a8a;
}

.faq-question i {
  color: var(--rd-blue);
}

.faq-answer {
  padding: 0 18px 16px;
  color: var(--rd-text-muted);
}

@media (max-width: 1024px) {
  .bulky-card,
  .bulky-wide {
    grid-column: 1 / -1;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Fastbit-style shop patterns ---------- */
.store-promo-bar {
  background: linear-gradient(90deg, #e0e7ff 0%, #fff5eb 100%);
  border-bottom: 1px solid var(--rd-border);
  font-size: 13px;
}

.store-promo-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 10px 0;
  min-width: 0;
}

.store-promo-text {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--rd-blue-dark);
  flex: 1 1 12rem;
  min-width: 0;
}

.store-promo-text span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.store-promo-text i {
  opacity: 0.9;
}

.store-promo-link {
  color: var(--rd-white);
  font-weight: 650;
  text-decoration: none;
  white-space: nowrap;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--rd-orange);
}

.store-promo-link:hover {
  background: var(--rd-orange-hover);
  color: var(--rd-white);
}

@media (max-width: 520px) {
  .store-promo-link {
    white-space: normal;
    text-align: center;
    line-height: 1.25;
  }
}

.shop-offer-banner {
  margin-top: -14px;
  padding: 12px 0 0;
}

.shop-offer-banner__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--rd-radius);
  border: 1px solid var(--rd-border);
  box-shadow: var(--rd-shadow-sm);
}

.shop-category-showcase {
  padding: 36px 0 8px;
}

.shop-cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.shop-cat-tile {
  text-align: left;
  border: 1px solid var(--rd-border);
  border-radius: var(--rd-radius);
  padding: 22px;
  background: var(--rd-white);
  box-shadow: var(--rd-shadow-sm);
  cursor: pointer;
  color: inherit;
  font: inherit;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.shop-cat-tile:hover {
  transform: translateY(-3px);
  border-color: rgba(29, 78, 216, 0.35);
  box-shadow: var(--rd-shadow-md);
}

.shop-cat-kicker {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rd-orange);
}

.shop-cat-title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #1e3a8a;
}

.shop-cat-desc {
  font-size: 14px;
  color: var(--rd-text-muted);
  line-height: 1.45;
  flex: 1;
}

.shop-cat-cta {
  margin-top: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--rd-blue);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.shop-featured-spotlight {
  padding: 28px 0 12px;
}

.featured-spotlight-card {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 28px;
  align-items: stretch;
  padding: 28px;
  border-radius: var(--rd-radius-lg);
  border: 1px solid var(--rd-border);
  background: var(--rd-white);
  box-shadow: var(--rd-shadow-md);
}

.featured-spotlight-media {
  position: relative;
  border-radius: var(--rd-radius);
  border: 1px solid var(--rd-border);
  background: radial-gradient(circle at 30% 30%, rgba(29, 78, 216, 0.12), transparent 55%),
    var(--rd-blue-soft);
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.featured-spotlight-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  background: var(--rd-orange);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--rd-white);
}

.featured-spotlight-img {
  font-size: 72px;
  color: rgba(29, 78, 216, 0.35);
  transition: transform 0.35s ease;
}

.featured-spotlight-media:hover .featured-spotlight-img {
  transform: scale(1.06);
}

.featured-spotlight-hint {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  font-size: 11px;
  color: var(--rd-text-faint);
  white-space: nowrap;
}

.featured-spotlight-vendor {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--rd-blue-soft);
  border: 1px solid rgba(29, 78, 216, 0.2);
  color: var(--rd-blue-dark);
  margin-bottom: 10px;
}

.featured-spotlight-title {
  margin: 0 0 10px;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: -0.03em;
  color: #1e3a8a;
}

.featured-spotlight-desc {
  margin: 0 0 16px;
  color: var(--rd-text-muted);
  line-height: 1.55;
}

.featured-spotlight-prices {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.featured-price-current {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--rd-blue-dark);
}

.featured-price-compare {
  font-size: 16px;
  text-decoration: line-through;
  color: rgba(30, 58, 138, 0.45);
}

.featured-save-pill {
  font-size: 12px;
  font-weight: 800;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--rd-orange-soft);
  border: 1px solid rgba(var(--rd-orange-rgb), 0.35);
  color: var(--rd-orange);
}

.featured-stock {
  margin: 0 0 18px;
  font-size: 13px;
  font-weight: 650;
}

.featured-stock.stock-ok {
  color: var(--rd-blue);
}

.featured-stock.stock-low {
  color: var(--rd-orange);
}

.featured-stock.stock-out {
  color: var(--rd-blue-dark);
  opacity: 0.85;
}

.featured-spotlight-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.featured-spotlight-actions .primary-btn,
.featured-spotlight-actions .secondary-btn {
  padding: 12px 20px;
  font-size: 14px;
}

.product-card .product-image {
  position: relative;
}

.product-save-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  font-size: 11px;
  font-weight: 800;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--rd-orange-soft);
  border: 1px solid rgba(var(--rd-orange-rgb), 0.4);
  color: var(--rd-orange);
}

.product-price-stack {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  z-index: 2;
}

.product-price-old {
  font-size: 12px;
  text-decoration: line-through;
  color: rgba(30, 58, 138, 0.5);
  font-weight: 600;
}

.product-card .product-price {
  position: static;
  margin: 0;
}

.product-meta .vendor-pill {
  background: var(--rd-blue-soft);
  color: var(--rd-blue-dark);
  border: 1px solid rgba(29, 78, 216, 0.2);
}

.product-stock-line {
  font-size: 12px;
  font-weight: 650;
  margin: -4px 0 8px !important;
}

.product-stock-line.stock-ok {
  color: var(--rd-blue);
}

.product-stock-line.stock-low {
  color: var(--rd-orange);
}

.product-stock-line.stock-out {
  color: var(--rd-blue-dark);
  opacity: 0.88;
}

.product-card.is-sold-out {
  opacity: 0.92;
}

.product-card.is-sold-out .product-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.45);
  pointer-events: none;
}

.product-actions .add-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  filter: grayscale(0.2);
}

.order-shipping-hint {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--rd-text-muted);
}

@media (max-width: 900px) {
  .shop-cat-grid {
    grid-template-columns: 1fr;
  }
  .featured-spotlight-card {
    grid-template-columns: 1fr;
  }
  .featured-spotlight-hint {
    white-space: normal;
    text-align: center;
    width: 90%;
  }
}

/* ---------- Toasts (replaces alert()) ---------- */
.toast-host {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 100000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: min(420px, calc(100vw - 2rem));
  pointer-events: none;
}

.toast-host .toast {
  pointer-events: auto;
}

.toast {
  padding: 14px 16px;
  border-radius: var(--rd-radius-sm);
  background: var(--rd-white);
  color: var(--rd-text);
  font-size: 14px;
  line-height: 1.45;
  box-shadow: var(--rd-shadow-md);
  border-left: 4px solid var(--rd-blue);
  cursor: pointer;
}

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

.toast--error {
  border-left-color: var(--rd-orange);
}

.toast--info {
  border-left-color: var(--rd-blue);
}

/* Section spacing utilities (avoid inline styles) */
.section-header--mb-md {
  margin-bottom: 24px !important;
}

.section-header--mb-lg {
  margin-bottom: 28px !important;
}

.util-mb-15 {
  margin-bottom: 15px;
}

/* ---------- Fixed right: internship programs (injected by script.js) ---------- */
.internship-popup {
  position: fixed;
  top: calc(var(--rd-header-stack) + 12px);
  right: max(10px, env(safe-area-inset-right, 0px));
  z-index: 940;
  max-width: min(300px, calc(100vw - 20px));
  font-size: 13px;
  line-height: 1.45;
}

/* Collapsed tab (shown on phone when minimized) */
.internship-popup__tab {
  display: none;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 11px 14px;
  border: 1px solid rgba(var(--rd-orange-rgb), 0.35);
  border-radius: 999px;
  background: var(--rd-gradient-cta);
  color: var(--rd-white);
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.25;
  cursor: pointer;
  box-shadow: var(--rd-shadow-md);
  -webkit-tap-highlight-color: transparent;
}

.internship-popup__tab:hover {
  filter: brightness(1.05);
}

.internship-popup__tab:focus-visible {
  outline: 2px solid var(--rd-blue);
  outline-offset: 2px;
}

.internship-popup__tab-label {
  flex: 1 1 auto;
  text-align: left;
  min-width: 0;
}

.internship-popup__tab-chevron {
  font-size: 11px;
  opacity: 0.95;
  flex-shrink: 0;
}

.internship-popup--collapsed .internship-popup__tab {
  display: inline-flex;
}

.internship-popup--collapsed .internship-popup__inner {
  display: none;
}

.internship-popup__inner {
  position: relative;
  padding: 14px 14px 14px;
  background: var(--rd-white);
  border: 1px solid var(--rd-border);
  border-radius: var(--rd-radius);
  box-shadow: var(--rd-shadow-md);
  max-height: min(72vh, 520px);
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.internship-popup__toolbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 4px;
  margin: -4px -2px 8px 0;
}

.internship-popup__minimize,
.internship-popup__close {
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--rd-text-muted);
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}

.internship-popup__close {
  font-size: 22px;
}

.internship-popup__minimize {
  font-size: 14px;
}

.internship-popup__minimize:hover,
.internship-popup__close:hover {
  background: var(--rd-blue-soft);
  color: var(--rd-blue-dark);
}

/* Markdown-style ### heading (link to contact) */
.internship-popup__head-wrap {
  margin: 0 0 10px;
  padding: 0;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

.internship-popup__head {
  display: block;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--rd-blue-dark);
  letter-spacing: -0.02em;
  border-left: 4px solid var(--rd-orange);
  padding-left: 10px;
  text-decoration: none;
}

.internship-popup__head:hover {
  color: var(--rd-orange);
}

.internship-popup__head:focus-visible {
  outline: 2px solid var(--rd-blue);
  outline-offset: 2px;
  border-radius: 4px;
}

.internship-popup__list {
  list-style: disc;
  margin: 0 0 14px;
  padding-left: 22px;
  color: var(--rd-text);
  font-size: 13px;
}

.internship-popup__list li {
  margin: 5px 0;
  padding-left: 2px;
}

.internship-popup__cta {
  display: block;
  width: 100%;
  text-align: center;
  font-weight: 700;
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 999px;
  background: var(--rd-gradient-cta);
  color: var(--rd-white) !important;
  text-decoration: none;
  border: 1px solid rgba(var(--rd-orange-rgb), 0.35);
  cursor: pointer;
  font-family: inherit;
  box-sizing: border-box;
}

.internship-popup__cta:hover {
  filter: brightness(1.05);
  color: var(--rd-white) !important;
}

.internship-popup__cta:focus-visible {
  outline: 2px solid var(--rd-blue);
  outline-offset: 2px;
}

/* Internship register modal (contact-style fields → send_mail.php) */
.internship-register-modal.modal-overlay {
  z-index: 10050;
  padding: 16px;
}

.internship-register-modal .internship-register-modal__panel {
  max-width: 520px;
  max-height: min(90vh, 720px);
  overflow-x: hidden;
  overflow-y: auto;
}

.internship-register-modal__close {
  z-index: 2;
}

.internship-register-modal__header {
  padding: 8px 40px 12px 4px;
}

.internship-register-modal__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--rd-blue-dark);
  letter-spacing: -0.02em;
  border-left: 4px solid var(--rd-orange);
  padding-left: 10px;
}

.internship-register-modal__sub {
  margin: 0;
  font-size: 13px;
  color: var(--rd-text-muted);
  padding-left: 14px;
}

.internship-register-modal__form-wrap {
  padding: 4px 4px 8px;
}

.internship-register-modal__form .form-group {
  margin-bottom: 14px;
}

.internship-register-modal__form .form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 13px;
  color: var(--rd-text);
}

.internship-register-modal__form input,
.internship-register-modal__form select,
.internship-register-modal__form textarea {
  width: 100%;
  box-sizing: border-box;
  font-family: inherit;
  font-size: 14px;
  padding: 10px 12px;
  border-radius: var(--rd-radius-sm);
  border: 1px solid var(--rd-border);
}

.internship-register-modal__form .submit-btn {
  width: 100%;
  margin-top: 4px;
}

/* Cookie banner lifts WhatsApp + internship */
body.has-cookie-banner {
  --rd-bottom-whatsapp: calc(var(--rd-bottom-base) + 68px);
}

.whatsapp-float {
  bottom: var(--rd-bottom-whatsapp, var(--rd-bottom-base)) !important;
  right: max(12px, env(safe-area-inset-right, 0px)) !important;
  width: var(--rd-whatsapp-size) !important;
  height: var(--rd-whatsapp-size) !important;
  min-width: var(--rd-whatsapp-size);
  min-height: var(--rd-whatsapp-size);
}

@media (max-width: 768px) {
  .internship-popup {
    top: auto;
    bottom: calc(var(--rd-bottom-whatsapp) + var(--rd-whatsapp-size) + 10px);
    right: max(8px, env(safe-area-inset-right, 0px));
    left: max(8px, env(safe-area-inset-left, 0px));
    max-width: min(300px, calc(100vw - 16px));
    margin-left: auto;
  }

  .internship-popup--collapsed {
    max-width: min(280px, calc(100vw - 16px));
  }

  .internship-popup__inner {
    max-height: min(58vh, 460px);
  }

  /* Minimize control is most useful on small screens */
  .internship-popup__minimize {
    display: inline-flex;
  }
}

@media (min-width: 769px) {
  .internship-popup__tab {
    display: none !important;
  }

  .internship-popup--collapsed .internship-popup__inner {
    display: block;
  }

  .internship-popup__minimize {
    display: none;
  }
}

/* ---------- Videos: YouTube thumbnail posters (i.ytimg.com) ---------- */
#videos .video-thumbnail {
  position: relative;
  height: 160px;
  overflow: hidden;
  background: var(--rd-blue-dark);
}

#videos .video-thumbnail__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

#videos .video-thumbnail::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0) 40%, rgba(15, 23, 42, 0.55) 100%);
  pointer-events: none;
}

#videos .video-thumbnail i {
  position: relative;
  z-index: 2;
  color: var(--rd-white) !important;
  filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.45));
}

#videos .video-card:hover .video-thumbnail i {
  color: var(--rd-white) !important;
}

#videos .video-duration {
  z-index: 2;
}

/* ---------- Simple cookie banner (example) ---------- */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100001;
  padding: 12px max(16px, env(safe-area-inset-right)) max(14px, env(safe-area-inset-bottom))
    max(16px, env(safe-area-inset-left));
  background: rgba(15, 23, 42, 0.95);
  color: #e2e8f0;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.18);
  font-size: 13px;
  line-height: 1.45;
}

.cookie-banner__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
}

.cookie-banner__text {
  margin: 0;
  flex: 1 1 240px;
  max-width: 720px;
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.cookie-banner__link {
  color: #93c5fd;
  text-decoration: underline;
  font-weight: 500;
}

.cookie-banner__link:hover {
  color: #bfdbfe;
}

.cookie-banner__accept {
  border: none;
  border-radius: 999px;
  padding: 10px 20px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  background: var(--rd-gradient-cta);
  color: var(--rd-white);
}

.cookie-banner__accept:hover {
  filter: brightness(1.06);
}

.cookie-banner__accept:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

@media (max-width: 520px) {
  .cookie-banner__inner {
    flex-direction: column;
    align-items: stretch;
  }

  .cookie-banner__actions {
    justify-content: flex-end;
  }
}

/* ---------- Mobile & tablet layout (match desktop design, stack cleanly) ---------- */
@media (max-width: 1024px) {
  .site-header .nav,
  .site-header .header-actions {
    display: none !important;
  }

  .site-header .menu-toggle {
    display: block !important;
  }

  .site-header .nav {
    margin-left: 0 !important;
  }

  .mobile-nav.active {
    display: flex !important;
  }

  /* Homepage grids without breakpoints in style.css */
  .lab-features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .lab-detail-grid,
  .lab-detail-grid.reverse {
    grid-template-columns: 1fr;
    gap: 32px;
    direction: ltr;
  }

  .lab-detail-grid.reverse > * {
    direction: ltr;
  }

  .lab-detail-visual {
    height: min(280px, 50vw);
    min-height: 200px;
  }

  .lab-detail-buttons {
    flex-wrap: wrap;
  }

  .stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .instructors-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  /* Hero slider: block layout only (not a 2/3-column grid) */
  .hero-lab .hero-visual,
  .hero-lab .hero-visual.hero-lab-gallery {
    display: block !important;
    grid-template-columns: none !important;
    max-width: 100% !important;
    width: 100% !important;
  }

  /* Center hero copy on tablet/phone like desktop */
  .hero-lab .hero-content {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }

  .hero-lab .hero-buttons,
  .hero-lab .hero-stats {
    justify-content: center;
  }

  .hero-lab .hero-stats .stat {
    text-align: center;
  }

  .section {
    padding: clamp(48px, 10vw, 72px) 0;
  }
}

@media (max-width: 768px) {
  .lab-features-grid,
  .stats-grid,
  .gallery-grid,
  .instructors-grid {
    grid-template-columns: 1fr;
  }

  .lab-detail-content h2 {
    font-size: clamp(1.45rem, 5vw, 1.85rem);
  }

  .lab-detail-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .lab-detail-buttons .secondary-btn,
  .lab-detail-buttons .outline-btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .who-header h2 {
    font-size: clamp(1.5rem, 5.5vw, 2rem);
  }

  .who-badges {
    gap: 12px;
  }

  .who-badge {
    width: 100%;
    max-width: 20rem;
    justify-content: center;
  }

  /* Override generic hero heights so lab hero doesn’t balloon on phones */
  .hero-lab .moving-hero-visual,
  .hero-lab .hero-lab-gallery.moving-hero-visual {
    min-height: unset !important;
    height: clamp(240px, 48vh, 520px) !important;
    max-height: min(62vh, 520px) !important;
  }

  .hero-lab .hero-lab-gallery .hero-slide {
    height: 100% !important;
    max-height: 100% !important;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .store-promo-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .store-promo-text {
    flex: 1 1 auto;
    width: 100%;
  }
}

/* ---------- Phone UX polish (forms, map, footer, hero, shop, code) ---------- */
@media (max-width: 768px) {
  .form-group input,
  .form-group select,
  .form-group textarea,
  .search-box input,
  .sort-dropdown select,
  .checkout-form-group input,
  .internship-register-modal__form input,
  .internship-register-modal__form select,
  .internship-register-modal__form textarea {
    font-size: 16px !important;
  }

  .map-container iframe {
    height: clamp(220px, 42vh, 400px) !important;
  }

  .footer-contact li,
  .footer-brand p {
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .footer-contact a {
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 2px;
  }

  .hero-lab .hero-stats .stat:nth-child(n + 3) {
    display: none;
  }

  .hero-lab .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    max-width: 16rem;
  }

  .hero-lab .hero-subtitle {
    font-size: clamp(0.88rem, 3.2vw, 1rem);
  }

  .hero-gallery-dot {
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
  }

  .hero-lab-gallery-shell {
    touch-action: pan-y pinch-zoom;
  }
}

/* ---------- Shop page: mobile & tablet ---------- */
@media (max-width: 1024px) {
  .shop-grid {
    grid-template-columns: 1fr !important;
    gap: 20px;
    padding: 20px 0 28px;
  }

  .shop-filters-drawer {
    display: block;
    width: 100%;
    min-width: 0;
    border: 1px solid var(--rd-border);
    border-radius: var(--rd-radius);
    background: var(--rd-white);
    box-shadow: var(--rd-shadow-sm);
    overflow: hidden;
  }

  .shop-filters-drawer__summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    min-height: 48px;
    cursor: pointer;
    list-style: none;
    font-weight: 700;
    font-size: 15px;
    color: var(--rd-blue-dark);
    background: var(--rd-blue-soft);
    border-bottom: 1px solid var(--rd-border);
    -webkit-tap-highlight-color: transparent;
  }

  .shop-filters-drawer__summary::-webkit-details-marker {
    display: none;
  }

  .shop-filters-drawer__label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
  }

  .shop-filters-drawer__chevron {
    font-size: 12px;
    transition: transform 0.2s ease;
  }

  .shop-filters-drawer[open] .shop-filters-drawer__chevron {
    transform: rotate(180deg);
  }

  .shop-filters-drawer .shop-filters {
    position: static !important;
    top: auto !important;
    width: 100%;
    max-height: min(65vh, 520px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    border: none;
    border-radius: 0;
    box-shadow: none;
    margin: 0;
  }

  .shop-products {
    min-width: 0;
    width: 100%;
  }

  .shop-header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-bottom: 20px;
  }

  .search-box,
  .sort-dropdown,
  .sort-dropdown select {
    width: 100%;
    max-width: none;
  }

  .products-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 14px;
  }

  .product-content {
    padding: 14px;
  }

  .product-content h3 {
    font-size: 15px;
    line-height: 1.3;
  }

  .product-content > p:not(.product-stock-line) {
    font-size: 13px;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .product-actions {
    flex-direction: column;
    gap: 8px;
  }

  .product-actions button,
  .product-actions a {
    width: 100%;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .featured-spotlight-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .featured-spotlight-actions .primary-btn,
  .featured-spotlight-actions .secondary-btn {
    width: 100%;
    min-height: 48px;
    justify-content: center;
  }

  .featured-spotlight-card {
    padding: 18px;
    gap: 20px;
  }

  .featured-spotlight-media {
    min-height: 200px;
  }

  .checkout-container {
    margin-top: 8px;
  }

  .checkout-grid {
    gap: 20px;
  }

  .checkout-form-section {
    padding: 18px 16px;
  }

  .payment-method {
    flex-wrap: wrap;
    align-items: flex-start;
    padding: 14px;
  }

  .payment-method-info {
    flex: 1 1 12rem;
    min-width: 0;
  }

  .payment-method-info p {
    font-size: 13px;
    line-height: 1.4;
  }

  .place-order-btn {
    width: 100%;
    min-height: 48px;
  }

  .order-summary {
    padding: 18px 16px;
  }

  #shop.section {
    padding-top: 32px;
    padding-bottom: 48px;
  }

  .shop-bulky .bulky-grid {
    margin-bottom: 20px;
  }
}

@media (min-width: 1025px) {
  .shop-filters-drawer {
    display: block;
  }

  .shop-filters-drawer__summary {
    display: none;
  }

  .shop-filters-drawer > .shop-filters {
    display: block;
  }
}

@media (max-width: 1024px) {
  .shop-filters-drawer:not([open]) .shop-filters {
    display: none;
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr !important;
    gap: 16px;
  }

  .shop-hero h1 {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  .shop-offer-banner {
    margin-top: 0;
    padding-top: 8px;
  }

  .shop-category-showcase {
    padding: 24px 0 4px;
  }

  .shop-cat-tile {
    padding: 16px;
  }

  .filter-checkbox {
    min-height: 44px;
    padding: 4px 0;
  }
}

.table-scroll,
.tutorial-body table {
  display: block;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tutorial-body table {
  margin: 1rem 0;
}

@media (max-width: 480px) {
  :root {
    --rd-whatsapp-size: 48px;
  }
}

@media print {
  .internship-popup {
    display: none !important;
  }

  .internship-register-modal {
    display: none !important;
  }

  .cookie-banner {
    display: none !important;
  }
}