/* ==========================================================================
   شركة سما الفجر للتجارة العامة وإنتاج المواد الغذائية
   Enterprise Blazor Design System (Dual Theme: Dark & Light, High Performance)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Theme Tokens: Default / Dark Theme
   -------------------------------------------------------------------------- */
:root, html[data-theme="dark"] {
  --color-primary: #0b1528;
  --color-primary-light: #162444;
  --color-primary-dark: #060b17;
  
  --color-accent: #e5a93c;
  --color-accent-hover: #f6c769;
  --color-accent-light: rgba(229, 169, 60, 0.16);
  --color-accent-glow: rgba(229, 169, 60, 0.45);

  --color-secondary: #0284c7;
  --color-secondary-light: #0369a1;

  --color-bg-main: #070d19;
  --color-bg-surface: #0f1d38;
  --color-bg-card: #122242;
  --color-bg-subtle: #0a1426;
  
  --color-text-main: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-text-light: #64748b;
  --color-text-inverse: #0f172a;

  --color-border: rgba(255, 255, 255, 0.12);
  --color-border-focus: #e5a93c;

  --color-header-bg: rgba(11, 21, 40, 0.94);
  --color-header-text: #ffffff;
  --color-topbar-bg: #050912;
  --color-topbar-text: #cbd5e1;

  --color-success: #10b981;
  --color-success-light: rgba(16, 185, 129, 0.2);
  --color-danger: #ef4444;
  --color-danger-light: rgba(239, 68, 68, 0.2);

  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.35);
  --hero-bg: radial-gradient(circle at 80% 20%, #162a55 0%, #070d19 80%);
  --scrollbar-thumb: rgba(229, 169, 60, 0.35);
  --scrollbar-thumb-hover: #e5a93c;
}

/* --------------------------------------------------------------------------
   2. Theme Tokens: Light Theme
   -------------------------------------------------------------------------- */
html[data-theme="light"] {
  --color-primary: #0b1528;
  --color-primary-light: #1e3867;
  --color-primary-dark: #060b17;
  
  --color-accent: #d29424;
  --color-accent-hover: #b87714;
  --color-accent-light: #fef3c7;
  --color-accent-glow: rgba(210, 148, 36, 0.35);

  --color-secondary: #0284c7;
  --color-secondary-light: #e0f2fe;

  --color-bg-main: #f8fafc;
  --color-bg-surface: #ffffff;
  --color-bg-card: #ffffff;
  --color-bg-subtle: #f1f5f9;
  
  --color-text-main: #0f172a;
  --color-text-muted: #475569;
  --color-text-light: #94a3b8;
  --color-text-inverse: #f8fafc;

  --color-border: #e2e8f0;
  --color-border-focus: #d29424;

  --color-header-bg: rgba(255, 255, 255, 0.96);
  --color-header-text: #0f172a;
  --color-topbar-bg: #0b1528;
  --color-topbar-text: #cbd5e1;

  --color-success: #10b981;
  --color-success-light: #d1fae5;
  --color-danger: #ef4444;
  --color-danger-light: #fee2e2;

  --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --hero-bg: radial-gradient(circle at 80% 20%, #0b1528 0%, #132448 100%);
  --scrollbar-thumb: rgba(210, 148, 36, 0.35);
  --scrollbar-thumb-hover: #d29424;
}

/* --------------------------------------------------------------------------
   3. Global Variables, Typography & Radii
   -------------------------------------------------------------------------- */
:root {
  --font-arabic: 'Tajawal', 'Cairo', system-ui, -apple-system, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Global */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-arabic);
  font-size: 16px;
  direction: rtl;
  text-align: right;
  scroll-behavior: smooth;
  color: var(--color-text-main);
  background-color: var(--color-bg-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.7;
  overflow-x: hidden;
  padding-bottom: env(safe-area-inset-bottom);
}

/* Custom Sleek Scrollbar */
::-webkit-scrollbar {
  width: 9px;
  height: 9px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-main);
}

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-bg-main);
  transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

/* Brand Selection Highlighting */
::selection {
  background: rgba(229, 169, 60, 0.3);
  color: var(--color-text-main);
}

/* Prevent outline/focus boxes on static elements & headings */
h1, h2, h3, h4, h5, h6,
h1:focus, h2:focus, h3:focus, h4:focus, h5:focus, h6:focus,
h1:focus-visible, h2:focus-visible, h3:focus-visible,
[tabindex]:focus, [tabindex]:focus-visible {
  outline: none !important;
  box-shadow: none !important;
  border: none !important;
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* --------------------------------------------------------------------------
   4. Container
   -------------------------------------------------------------------------- */
.sf-container {
  width: 100%;
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

@media (min-width: 768px) {
  .sf-container {
    padding-inline: 2rem;
  }
}

/* --------------------------------------------------------------------------
   5. Topbar
   -------------------------------------------------------------------------- */
.sf-topbar {
  background: var(--color-topbar-bg);
  color: var(--color-topbar-text);
  font-size: 0.85rem;
  padding-block: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background-color var(--transition-normal);
}

.sf-topbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.sf-topbar-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.sf-topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.sf-topbar-item i {
  color: var(--color-accent);
}

.sf-topbar-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.sf-topbar-divider {
  width: 1px;
  height: 16px;
  background: rgba(255, 255, 255, 0.2);
}

.sf-topbar-social {
  display: flex;
  gap: 0.85rem;
}

.sf-topbar-social a {
  color: #94a3b8;
  font-size: 0.95rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.sf-topbar-social a:hover {
  color: var(--color-accent);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   6. Main Sticky Header & Navigation
   -------------------------------------------------------------------------- */
.sf-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.15);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.sf-navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  gap: 2rem;
}

.sf-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  flex-shrink: 0;
}

.sf-brand-logo {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 4px 10px var(--color-accent-glow));
}

.sf-brand-svg {
  width: 100%;
  height: 100%;
}

.sf-brand-text {
  display: flex;
  flex-direction: column;
}

.sf-brand-title {
  font-size: clamp(1.2rem, 2vw, 1.4rem);
  font-weight: 900;
  color: var(--color-header-text);
  letter-spacing: -0.01em;
  line-height: 1.2;
  transition: color var(--transition-fast);
}

html[data-theme="dark"] .sf-brand-title,
:root .sf-brand-title {
  color: #ffffff !important;
}

html[data-theme="light"] .sf-header .sf-brand-title {
  color: #0b1528 !important;
}

.sf-footer .sf-brand-title {
  color: #ffffff !important;
}

.sf-brand-subtitle {
  font-size: 0.78rem;
  color: var(--color-accent) !important;
  font-weight: 600;
}

/* Desktop Nav Menu & Actions */
.sf-nav-menu-wrapper {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2rem;
  flex: 1;
}

.sf-nav-menu {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.sf-nav-item {
  display: flex;
  align-items: center;
}

.sf-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--color-header-text);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  opacity: 0.9;
}

.sf-nav-link:hover {
  color: var(--color-accent);
  background: var(--color-accent-light);
  opacity: 1;
}

.sf-nav-link.active {
  color: var(--color-accent);
  background: var(--color-accent-light);
  font-weight: 800;
  opacity: 1;
}

.sf-nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

/* Theme Switcher Button */
.sf-theme-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-bg-surface);
  border: 1.5px solid var(--color-border);
  color: var(--color-accent);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.sf-theme-btn:hover {
  transform: rotate(35deg) scale(1.08);
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  box-shadow: 0 4px 15px var(--color-accent-glow);
}

.sf-theme-btn-mobile {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.sf-mobile-actions {
  display: none;
  align-items: center;
  gap: 0.65rem;
}

/* Shimmer Button Effect for CTA */
.sf-nav-cta {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--color-accent), #d29424);
  color: #0b1528 !important;
  font-weight: 800;
  font-size: 0.95rem;
  padding: 0.65rem 1.6rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 15px var(--color-accent-glow);
  white-space: nowrap;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.sf-nav-cta::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  bottom: -50%;
  left: -50%;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: rotate(30deg) translate(-100%, 0);
  transition: transform 0.6s ease;
}

.sf-nav-cta:hover::after {
  transform: rotate(30deg) translate(100%, 0);
}

.sf-nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(229, 169, 60, 0.6);
  color: #0b1528 !important;
}

/* Mobile Nav Toggle */
.sf-mobile-toggle {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-header-text);
  font-size: 1.35rem;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sf-mobile-toggle:hover {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

@media (max-width: 1024px) {
  .sf-mobile-actions {
    display: flex;
  }

  .sf-nav-menu-wrapper {
    position: fixed;
    top: 84px;
    left: 0;
    right: 0;
    background: var(--color-header-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1.75rem 2rem;
    box-shadow: var(--shadow-card);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 1.5rem;
  }

  .sf-nav-menu-wrapper.is-open {
    display: flex;
  }

  .sf-nav-menu {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    width: 100%;
  }

  .sf-nav-link {
    width: 100%;
    padding: 0.75rem 1rem;
  }

  .sf-nav-actions {
    width: 100%;
  }

  .sf-nav-actions .sf-theme-btn {
    display: none;
  }

  .sf-nav-cta {
    width: 100%;
    justify-content: center;
    padding-block: 0.85rem;
  }
}

/* --------------------------------------------------------------------------
   7. Hero Section with Dynamic Animated Background
   -------------------------------------------------------------------------- */
.sf-hero {
  position: relative;
  background: var(--hero-bg);
  color: #ffffff;
  padding-block: clamp(3.5rem, 6vw, 6rem);
  overflow: hidden;
}

.sf-hero-background-effects {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.sf-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.65;
  will-change: transform;
}

.sf-orb-gold {
  top: -10%;
  right: 5%;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(229, 169, 60, 0.4) 0%, rgba(210, 148, 36, 0.1) 70%, transparent 100%);
  animation: sfOrbFloat1 16s ease-in-out infinite alternate;
}

.sf-orb-cyan {
  bottom: -20%;
  left: 10%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.35) 0%, rgba(3, 105, 161, 0.1) 70%, transparent 100%);
  animation: sfOrbFloat2 20s ease-in-out infinite alternate;
}

.sf-orb-amber {
  top: 40%;
  right: 45%;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(246, 199, 105, 0.25) 0%, transparent 70%);
  animation: sfOrbPulse 12s ease-in-out infinite alternate;
}

.sf-hero-mesh-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

@keyframes sfOrbFloat1 {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-60px, 50px) scale(1.12); }
  100% { transform: translate(40px, -40px) scale(0.92); }
}

@keyframes sfOrbFloat2 {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(70px, -60px) scale(1.18); }
  100% { transform: translate(-50px, 40px) scale(0.88); }
}

@keyframes sfOrbPulse {
  0% { transform: scale(0.85); opacity: 0.2; }
  50% { transform: scale(1.25); opacity: 0.45; }
  100% { transform: scale(0.95); opacity: 0.25; }
}

@media (prefers-reduced-motion: reduce) {
  .sf-orb-gold, .sf-orb-cyan, .sf-orb-amber {
    animation: none !important;
  }
}

.sf-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 992px) {
  .sf-hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.sf-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(229, 169, 60, 0.18);
  border: 1px solid rgba(229, 169, 60, 0.45);
  color: var(--color-accent);
  padding: 0.4rem 1.15rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  backdrop-filter: blur(8px);
}

.sf-hero-title {
  font-size: clamp(2rem, 3.8vw, 3.25rem);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 1.25rem;
  color: #ffffff;
}

.sf-hero-title span {
  background: linear-gradient(135deg, #ffffff 30%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sf-hero-desc {
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  color: #cbd5e1;
  margin-bottom: 2.25rem;
  max-width: 620px;
  line-height: 1.85;
}

.sf-hero-buttons {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.sf-btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.sf-btn-primary {
  background: linear-gradient(135deg, var(--color-accent), #d29424);
  color: #0b1528 !important;
  box-shadow: 0 4px 15px var(--color-accent-glow);
}

.sf-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(229, 169, 60, 0.5);
  color: #0b1528 !important;
}

.sf-btn-outline {
  background: rgba(255, 255, 255, 0.08);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  backdrop-filter: blur(8px);
}

.sf-btn-outline:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #ffffff;
  color: #ffffff;
  transform: translateY(-2px);
}

.sf-hero-showcase {
  position: relative;
  background: rgba(15, 29, 56, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  backdrop-filter: blur(18px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.sf-showcase-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sf-showcase-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
}

.sf-showcase-badge {
  font-size: 0.8rem;
  background: rgba(16, 185, 129, 0.25);
  color: #34d399;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.sf-showcase-img {
  width: 100%;
  height: 260px;
  object-fit: contain;
  border-radius: var(--radius-lg);
  background: rgba(0, 0, 0, 0.25);
  padding: 1rem;
  margin-bottom: 1.25rem;
  transition: transform var(--transition-normal);
}

.sf-showcase-item-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.sf-showcase-item-desc {
  font-size: 0.92rem;
  color: #cbd5e1;
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   8. Stats Section
   -------------------------------------------------------------------------- */
.sf-stats-section {
  position: relative;
  margin-top: -2.5rem;
  z-index: 10;
}

.sf-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.sf-stat-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.sf-stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
}

.sf-stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.sf-stat-number {
  font-size: clamp(1.6rem, 2.5vw, 1.95rem);
  font-weight: 900;
  color: var(--color-text-main);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.sf-stat-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   9. Section Headers & Global Sections
   -------------------------------------------------------------------------- */
.sf-section-header {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.sf-section-badge {
  display: inline-block;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.sf-section-title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--color-text-main);
  line-height: 1.35;
  margin-bottom: 1rem;
}

.sf-section-desc {
  font-size: clamp(0.95rem, 1.6vw, 1.08rem);
  color: var(--color-text-muted);
}

.sf-section {
  padding-block: clamp(3.5rem, 5vw, 5.5rem);
}

.sf-section-subtle {
  background-color: var(--color-bg-subtle);
  transition: background-color var(--transition-normal);
}

/* --------------------------------------------------------------------------
   10. Product Catalog, Filters & Search
   -------------------------------------------------------------------------- */
.sf-categories-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 2.5rem;
}

.sf-category-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sf-category-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-light);
}

.sf-category-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #0b1528;
  font-weight: 800;
  box-shadow: 0 4px 15px var(--color-accent-glow);
}

.sf-search-bar {
  max-width: 480px;
  margin-inline: auto;
  margin-bottom: 2rem;
  position: relative;
}

.sf-search-input {
  width: 100%;
  padding: 0.85rem 3rem 0.85rem 1.25rem;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  background: var(--color-bg-surface);
  color: var(--color-text-main);
  font-size: 1rem;
  font-family: inherit;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-fast);
}

.sf-search-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.sf-search-icon {
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
  font-size: 1.1rem;
}

.sf-products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.75rem;
}

.sf-product-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.sf-product-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent);
}

.sf-product-img-wrap {
  position: relative;
  height: 220px;
  background: var(--color-bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  overflow: hidden;
}

.sf-product-img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  transition: transform var(--transition-slow);
}

.sf-product-card:hover .sf-product-img {
  transform: scale(1.08);
}

.sf-product-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(11, 21, 40, 0.88);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(6px);
}

.sf-product-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.sf-product-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.sf-product-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.6;
  flex-grow: 1;
}

.sf-product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.sf-product-tag {
  background: var(--color-bg-subtle);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

.sf-product-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-top: auto;
}

.sf-product-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--color-accent);
  color: #0b1528 !important;
  padding: 0.65rem 1rem;
  font-size: 0.88rem;
  font-weight: 800;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sf-product-btn:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 4px 12px var(--color-accent-glow);
}

.sf-product-whatsapp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: #25d366;
  color: #ffffff !important;
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.sf-product-whatsapp-btn:hover {
  background: #1eb954;
  transform: scale(1.05);
}

/* --------------------------------------------------------------------------
   11. Feature Cards & Layout
   -------------------------------------------------------------------------- */
.sf-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.sf-feature-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.sf-feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent);
}

.sf-feature-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.sf-feature-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-text-main);
}

.sf-feature-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   12. Contact Form & Info
   -------------------------------------------------------------------------- */
.sf-contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 992px) {
  .sf-contact-layout {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.sf-form-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}

.sf-form-group {
  margin-bottom: 1.5rem;
}

.sf-form-label {
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 0.5rem;
}

.sf-form-control {
  width: 100%;
  padding: 0.85rem 1.15rem;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-text-main);
  background: var(--color-bg-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.sf-form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.sf-form-control.invalid {
  border-color: var(--color-danger);
  background-color: var(--color-danger-light);
}

.sf-validation-error {
  color: var(--color-danger);
  font-size: 0.82rem;
  font-weight: 600;
  margin-top: 0.35rem;
  display: block;
}

.sf-contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sf-info-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.sf-info-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.sf-info-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 0.25rem;
}

.sf-info-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.sf-info-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-accent);
  font-size: 0.88rem;
  font-weight: 700;
  margin-top: 0.35rem;
}

.sf-info-link:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   13. Modals & Alerts
   -------------------------------------------------------------------------- */
.sf-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: sfFadeIn 0.2s ease-out;
}

.sf-modal-container {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  max-width: 650px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  position: relative;
  animation: sfScaleUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.sf-modal-close {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg-subtle);
  border: none;
  font-size: 1.2rem;
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.sf-modal-close:hover {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

.sf-alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.sf-alert-success {
  background: var(--color-success-light);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.sf-alert-danger {
  background: var(--color-danger-light);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

/* --------------------------------------------------------------------------
   14. Privacy Page
   -------------------------------------------------------------------------- */
.sf-privacy-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-card);
  margin-block: 2rem;
}

.sf-privacy-card h2 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-text-main);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--color-bg-subtle);
}

.sf-privacy-card p, .sf-privacy-card li {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.sf-privacy-card ul {
  padding-inline-start: 1.5rem;
  margin-bottom: 1.5rem;
}

.sf-callout {
  background: var(--color-bg-subtle);
  border-inline-start: 4px solid var(--color-accent);
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  margin-block: 1.5rem;
}

.sf-callout-title {
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: 0.35rem;
}

/* --------------------------------------------------------------------------
   15. Footer
   -------------------------------------------------------------------------- */
.sf-footer {
  background: #050912;
  color: #94a3b8;
  padding-block: 4.5rem 2rem;
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sf-footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.sf-footer-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.sf-footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 40px;
  height: 3px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

.sf-footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sf-footer-link {
  color: #cbd5e1;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.sf-footer-link:hover {
  color: var(--color-accent);
  transform: translateX(-4px);
}

.sf-footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.88rem;
}

.sf-dev-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-accent);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   16. Mobile Floating Action Bar (Quick Contact FAB)
   -------------------------------------------------------------------------- */
.sf-mobile-quickbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--color-header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--color-border);
  padding: 0.65rem 1rem calc(0.65rem + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
  gap: 0.75rem;
  align-items: center;
}

.sf-mobile-quick-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.sf-mobile-quick-btn.whatsapp {
  background: #25d366;
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.sf-mobile-quick-btn.phone {
  background: var(--color-accent);
  color: #0b1528 !important;
  box-shadow: 0 4px 12px var(--color-accent-glow);
}

@media (max-width: 768px) {
  .sf-mobile-quickbar {
    display: flex;
  }
  body {
    padding-bottom: 75px;
  }
}

/* --------------------------------------------------------------------------
   17. Print Media Styles (High Quality Quotes / PDF)
   -------------------------------------------------------------------------- */
@media print {
  .sf-topbar,
  .sf-header,
  .sf-hero-background-effects,
  .sf-mobile-quickbar,
  .sf-categories-bar,
  .sf-search-bar,
  .sf-theme-btn,
  .sf-nav-actions {
    display: none !important;
  }

  body, html {
    background: #ffffff !important;
    color: #000000 !important;
  }

  .sf-container {
    max-width: 100% !important;
    padding: 0 !important;
  }

  .sf-product-card, .sf-form-card, .sf-stat-card {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
    page-break-inside: avoid;
  }
}

/* Animations */
@keyframes sfFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes sfScaleUp {
  from { transform: scale(0.94); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}