/* ==========================================================================
   BAS Automation - Design System & Stylesheet (Static Cloudflare Edition)
   Warm Peach / Beige Editorial (Light) + Warm Cocoa & Flame (Dark)
   ========================================================================== */

:root {
  /* Theme Identifier */
  --theme-name: "light";

  /* Brand & Neutral Colors (Light Theme: Warm Peach-Beige Editorial) */
  --bg-primary: #f6efe7;            /* Soft warm linen/cream (Optikka style) */
  --bg-secondary: #ede5da;          /* Warm card/block beige */
  --bg-tertiary: #e2d8cc;           /* Deeper warm sand */
  --bg-elevated: #ffffff;           /* Elevated crisp card highlight */
  
  --fg-primary: #1c1815;            /* Deep warm roasted espresso */
  --fg-secondary: #6e6358;          /* Warm muted taupe / earth */
  --fg-tertiary: #9a8e82;           /* Soft warm stone */
  
  /* Vibrant Terracotta & Warm Orange Accents */
  --accent-primary: #e05626;        /* Optikka terracotta flame */
  --accent-secondary: #f48c36;      /* Warm luminous apricot / peach */
  --accent-hover: #c8481a;          /* Deep flame */
  --accent-gradient: linear-gradient(135deg, #e05626 0%, #f48c36 100%);
  --accent-hover-gradient: linear-gradient(135deg, #c8481a 0%, #e07622 100%);
  --accent-soft-bg: rgba(224, 86, 38, 0.08);
  --accent-soft-border: rgba(224, 86, 38, 0.22);
  --accent-glow-color: rgba(224, 86, 38, 0.16);

  /* Status Colors */
  --success: #15803d;
  --error: #dc2626;
  --warning: #d97706;
  
  /* Glassmorphism & Card Tokens (Light) */
  --card-bg: rgba(255, 255, 255, 0.72);
  --card-bg-hover: rgba(255, 255, 255, 0.92);
  --card-border: rgba(140, 110, 85, 0.14);
  --card-border-hover: rgba(224, 86, 38, 0.35);
  --card-shadow: 0 10px 30px -5px rgba(110, 80, 50, 0.07), 0 4px 12px -2px rgba(110, 80, 50, 0.04);
  --card-shadow-hover: 0 16px 36px -5px rgba(110, 80, 50, 0.12), 0 6px 16px -2px rgba(224, 86, 38, 0.12);

  --glass-bg: rgba(246, 239, 231, 0.85);
  --glass-border: rgba(140, 110, 85, 0.15);
  --glass-shadow: 0 8px 32px 0 rgba(70, 45, 25, 0.08);
  --glass-blur: blur(16px);

  /* Form & Input Tokens */
  --input-bg: rgba(255, 255, 255, 0.8);
  --input-border: rgba(140, 110, 85, 0.25);
  --input-border-focus: #e05626;

  /* Borders & Dividers */
  --border-subtle: rgba(140, 110, 85, 0.12);
  --border-strong: rgba(140, 110, 85, 0.24);

  /* Button Tokens */
  --btn-primary-text: #ffffff;
  --btn-secondary-bg: rgba(28, 24, 21, 0.04);
  --btn-secondary-border: rgba(140, 110, 85, 0.2);
  --btn-secondary-hover-bg: rgba(28, 24, 21, 0.08);

  /* Heading & Hero Gradient */
  --heading-gradient: linear-gradient(180deg, #1c1815 0%, #44372e 100%);
  --hero-title-gradient: linear-gradient(135deg, #1c1815 0%, #4a3a2e 55%, #e05626 100%);

  /* Background Ambient Radial Glows */
  --glow-1: radial-gradient(circle, rgba(244, 140, 54, 0.2) 0%, rgba(246, 239, 231, 0) 70%);
  --glow-2: radial-gradient(circle, rgba(224, 86, 38, 0.15) 0%, rgba(246, 239, 231, 0) 70%);

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  
  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --max-width: 1200px;
}

/* ==========================================================================
   Dark Theme (Warm Cocoa Charcoal & Radiant Flame)
   ========================================================================== */
[data-theme="dark"] {
  --theme-name: "dark";

  --bg-primary: #14110f;            /* Deep rich cocoa charcoal (warm, not cold blue) */
  --bg-secondary: #1c1815;          /* Warm espresso card background */
  --bg-tertiary: #27211d;           /* Muted warm coal */
  --bg-elevated: #251f1b;
  
  --fg-primary: #f7f2eb;            /* Warm eggshell / soft cream */
  --fg-secondary: #aba094;          /* Warm stone taupe */
  --fg-tertiary: #786d63;           /* Muted warm grey */
  
  /* Radiant Flame & Amber Accents */
  --accent-primary: #f26419;        /* Vibrant radiant flame orange */
  --accent-secondary: #ff8c42;      /* Warm luminous peach/amber */
  --accent-hover: #ff7a2e;
  --accent-gradient: linear-gradient(135deg, #f26419 0%, #ff8c42 100%);
  --accent-hover-gradient: linear-gradient(135deg, #ff7a2e 0%, #ffa366 100%);
  --accent-soft-bg: rgba(242, 100, 25, 0.12);
  --accent-soft-border: rgba(242, 100, 25, 0.28);
  --accent-glow-color: rgba(242, 100, 25, 0.25);

  /* Status Colors */
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
  
  /* Glassmorphism & Card Tokens (Dark) */
  --card-bg: rgba(28, 24, 21, 0.78);
  --card-bg-hover: rgba(38, 32, 28, 0.92);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-border-hover: rgba(242, 100, 25, 0.4);
  --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.55);
  --card-shadow-hover: 0 16px 36px -5px rgba(0, 0, 0, 0.7), 0 6px 16px -2px rgba(242, 100, 25, 0.2);

  --glass-bg: rgba(20, 17, 15, 0.86);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.55);
  --glass-blur: blur(16px);

  /* Form & Input Tokens */
  --input-bg: rgba(255, 255, 255, 0.04);
  --input-border: rgba(255, 255, 255, 0.12);
  --input-border-focus: #f26419;

  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.14);

  /* Button Tokens */
  --btn-primary-text: #ffffff;
  --btn-secondary-bg: rgba(255, 255, 255, 0.06);
  --btn-secondary-border: rgba(255, 255, 255, 0.12);
  --btn-secondary-hover-bg: rgba(255, 255, 255, 0.1);

  /* Heading & Hero Gradient */
  --heading-gradient: linear-gradient(180deg, #ffffff 0%, #ded2c6 100%);
  --hero-title-gradient: linear-gradient(135deg, #ffffff 0%, #fed7aa 50%, #f26419 100%);

  /* Background Ambient Radial Glows */
  --glow-1: radial-gradient(circle, rgba(242, 100, 25, 0.22) 0%, rgba(20, 17, 15, 0) 70%);
  --glow-2: radial-gradient(circle, rgba(255, 140, 66, 0.16) 0%, rgba(20, 17, 15, 0) 70%);
}

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

html, body {
  max-width: 100%;
  overflow-x: hidden;
  background-color: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

img, svg, video, canvas, audio, iframe, embed, object {
  max-width: 100%;
  height: auto;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  padding-top: 80px; /* Offset for fixed header */
  position: relative;
  overflow: hidden;
}

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

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: transparent;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

/* Smooth transition on key containers during theme switch */
.header, .mobile-nav, .interactive-card, .service-card, .calculator-card,
.portfolio-card, .case-card, .config-card, .faq-item, .form-container,
.footer, .service-detail-card, .theme-toggle-btn {
  transition: background var(--transition-normal),
              background-color var(--transition-normal),
              border-color var(--transition-normal),
              box-shadow var(--transition-normal),
              color var(--transition-normal);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  .section {
    padding: 3.5rem 0;
  }
}

.section {
  padding: 6rem 0;
  position: relative;
  z-index: 2;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4rem;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--fg-secondary);
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 3.8vw, 2.75rem);
  margin-bottom: 1rem;
  background: var(--heading-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

h3 {
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  color: var(--fg-primary);
}

p {
  color: var(--fg-secondary);
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 1rem;
  background: var(--accent-soft-bg);
  border: 1px solid var(--accent-soft-border);
  border-radius: var(--radius-full);
  color: var(--accent-primary);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Background Glow Effects */
@keyframes pulseGlow {
  0%, 100% {
    opacity: 0.25;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(1.15);
  }
}

.glow-bg {
  position: absolute;
  width: 650px;
  height: 650px;
  max-width: 100vw;
  border-radius: 50%;
  background: var(--glow-1);
  top: -200px;
  right: -200px;
  z-index: 0;
  pointer-events: none;
  animation: pulseGlow 10s infinite ease-in-out;
}

.glow-bg-left {
  position: absolute;
  width: 550px;
  height: 550px;
  max-width: 100vw;
  border-radius: 50%;
  background: var(--glow-2);
  bottom: -150px;
  left: -200px;
  z-index: 0;
  pointer-events: none;
  animation: pulseGlow 12s infinite ease-in-out alternate;
}

@media (max-width: 768px) {
  .glow-bg {
    width: 300px;
    height: 300px;
    top: -100px;
    right: -100px;
  }
  .glow-bg-left {
    width: 250px;
    height: 250px;
    bottom: -80px;
    left: -100px;
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--fg-tertiary);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-align: center;
  cursor: pointer;
  border: 1px solid transparent;
  user-select: none;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--btn-primary-text);
  box-shadow: 0 4px 14px 0 var(--accent-glow-color);
}

.btn-primary:hover {
  background: var(--accent-hover-gradient);
  box-shadow: 0 6px 20px 0 var(--accent-glow-color);
  transform: translateY(-2px);
  color: var(--btn-primary-text);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--btn-secondary-bg);
  color: var(--fg-primary);
  border: 1px solid var(--btn-secondary-border);
  backdrop-filter: var(--glass-blur);
}

.btn-secondary:hover {
  background: var(--btn-secondary-hover-bg);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.btn-secondary:active {
  transform: translateY(0);
}

.btn-glow {
  background: transparent;
  color: var(--accent-primary);
  border: 1px solid var(--accent-soft-border);
  position: relative;
  overflow: hidden;
}

.btn-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: 0.5s;
}

.btn-glow:hover::before {
  left: 100%;
}

.btn-glow:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 0 16px var(--accent-glow-color);
  transform: translateY(-2px);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  z-index: 1000;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  height: 72px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.logo-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-sub {
  color: var(--fg-primary);
  font-weight: 500;
  font-size: 1.1rem;
}

.desktop-nav {
  display: none;
}

.nav-list {
  display: flex;
  gap: clamp(0.75rem, 1.35vw, 1.75rem);
}

.nav-link {
  color: var(--fg-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover {
  color: var(--accent-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width var(--transition-fast);
  border-radius: var(--radius-full);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--fg-primary);
  font-weight: 600;
}

/* Header Actions & Theme Toggle */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  color: var(--fg-primary);
  box-shadow: var(--card-shadow);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  user-select: none;
}

.theme-toggle-btn:hover {
  background: var(--card-bg-hover);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--accent-soft-bg);
}

.theme-toggle-btn svg {
  display: block;
  transition: transform var(--transition-normal);
}

.theme-toggle-btn:hover svg {
  transform: rotate(15deg);
}

/* Light theme shows Moon icon (to switch to Dark) */
:root .theme-toggle-btn .sun-icon {
  display: none;
}
:root .theme-toggle-btn .moon-icon {
  display: block;
}

/* Dark theme shows Sun icon (to switch to Light) */
[data-theme="dark"] .theme-toggle-btn .sun-icon {
  display: block;
}
[data-theme="dark"] .theme-toggle-btn .moon-icon {
  display: none;
}

.header-cta {
  display: none;
}

.header-cta .btn,
.header-cta-btn {
  padding: 0.52rem 1.2rem;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  white-space: nowrap;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--radius-md);
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  color: var(--fg-primary);
  box-shadow: var(--card-shadow);
  z-index: 1001;
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
  user-select: none;
}

.mobile-menu-btn:hover {
  background: var(--card-bg-hover);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--accent-soft-bg);
}

.hamburger {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--fg-primary);
  border-radius: 2px;
  position: relative;
  transition: background var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--fg-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.hamburger::before { top: -6px; }
.hamburger::after { bottom: -6px; }

.menu-open .hamburger {
  background: transparent;
}
.menu-open .hamburger::before {
  transform: rotate(45deg);
  top: 0;
}
.menu-open .hamburger::after {
  transform: rotate(-45deg);
  bottom: 0;
}

/* Vector SVG icons support for .mobile-menu-btn */
.mobile-menu-btn svg {
  display: block;
  color: var(--fg-primary);
  transition: transform var(--transition-normal), color var(--transition-fast);
}

.mobile-menu-btn:hover svg {
  color: var(--accent-primary);
}

.mobile-menu-btn .menu-icon-bars {
  display: block;
}

.mobile-menu-btn .menu-icon-close {
  display: none;
}

.mobile-menu-btn.menu-open .menu-icon-bars {
  display: none;
}

.mobile-menu-btn.menu-open .menu-icon-close {
  display: block;
}

/* Mobile Nav Drawer */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-subtle);
  z-index: 999;
  transition: right var(--transition-normal);
  padding: 100px 2rem 2rem;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
}

.mobile-nav.open {
  right: 0;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-nav-link {
  color: var(--fg-secondary);
  font-size: 1.2rem;
  font-weight: 600;
  display: block;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-soft-border);
}

.mobile-nav-cta {
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .desktop-nav { display: block; }
  .header-cta { display: block; }
  .mobile-menu-btn { display: none; }
  .mobile-nav { display: none; }
  .header-actions { gap: 1.25rem; }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding: 6rem 0 5rem;
  position: relative;
  display: flex;
  align-items: center;
  min-height: 80vh;
}

.hero-container {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-content {
  max-width: 680px;
  width: 100%;
  min-width: 0;
}

.hero-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.22;
  margin-bottom: 1.5rem;
  background: var(--hero-title-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-wrap: balance;
  word-break: break-word;
  overflow-wrap: break-word;
}

.hero-title span {
  display: inline-block;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title-br {
  display: block;
}

@media (max-width: 640px) {
  .hero-title-br {
    display: none;
  }
}

.hero-desc {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--fg-secondary);
  margin-bottom: 2.5rem;
  word-break: break-word;
  overflow-wrap: break-word;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  width: 100%;
}

.hero-sublinks {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}

.hero-sublink {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--accent-primary);
  text-decoration: none;
  word-break: break-word;
  overflow-wrap: break-word;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.hero-sublink:hover {
  color: var(--accent-hover);
  text-decoration: underline;
  transform: translateX(2px);
}

.hero-sublink-secondary {
  color: var(--fg-secondary);
}

.hero-sublink-secondary:hover {
  color: var(--accent-primary);
}

.hero-sublink-icon {
  flex-shrink: 0;
  font-size: 1rem;
  line-height: 1.4;
}

.hero-graphic {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-width: 0;
}

.interactive-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  width: 100%;
  max-width: 480px;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

.interactive-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--accent-gradient);
}

.card-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--fg-primary);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.feature-check {
  color: var(--accent-primary);
  font-weight: bold;
  font-size: 1.1rem;
}

.feature-text {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.5;
}

@media (max-width: 576px) {
  .hero {
    padding: 3rem 0 3.5rem;
    min-height: auto;
  }
  .hero-container {
    gap: 2.25rem;
  }
  .hero-desc {
    font-size: 1rem;
    line-height: 1.55;
    margin-bottom: 2rem;
  }
  .hero-ctas {
    flex-direction: column;
    gap: 0.75rem;
  }
  .hero-ctas .btn {
    width: 100%;
    padding: 0.9rem 1.25rem;
    justify-content: center;
  }
  .interactive-card {
    padding: 1.75rem 1.25rem;
  }
  .card-title {
    font-size: 1.25rem;
  }
}

@media (min-width: 992px) {
  .hero {
    padding: 9rem 0 7rem;
  }
  .hero-container {
    grid-template-columns: 1.2fr 1fr;
  }
}

/* ==========================================================================
   Services Grid (Home & Shared)
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 3.5rem;
}

.service-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
}

.service-card:hover {
  background: var(--card-bg-hover);
  border-color: var(--card-border-hover);
  transform: translateY(-5px);
  box-shadow: var(--card-shadow-hover);
}

.service-icon {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  display: inline-block;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  margin-bottom: 1.5rem;
  flex: 1;
}

.service-link {
  color: var(--accent-primary);
  font-size: 0.95rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: auto;
  white-space: normal;
  word-break: break-word;
  overflow-wrap: break-word;
}

.service-link:hover {
  text-decoration: underline;
}

@media (max-width: 576px) {
  .service-card {
    padding: 1.75rem 1.25rem;
  }
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==========================================================================
   Interactive Calculator Section
   ========================================================================== */
.calculator-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  overflow: hidden;
  position: relative;
  z-index: 10;
}

.calculator-grid {
  display: grid;
  grid-template-columns: 1fr;
}

.inputs-block {
  padding: 2.5rem 2rem;
  border-bottom: 1px solid var(--border-subtle);
}

.results-block {
  padding: 2.5rem 2rem;
  background: var(--accent-soft-bg);
  display: flex;
  flex-direction: column;
}

.calc-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--fg-primary);
}

.calc-desc {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  margin-bottom: 2rem;
}

.input-group {
  margin-bottom: 1.75rem;
}

.input-group:last-child {
  margin-bottom: 0;
}

.label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.calc-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fg-primary);
  display: block;
}

.val-badge {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-primary);
  background: var(--accent-soft-bg);
  border: 1px solid var(--accent-soft-border);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

.select-wrapper {
  position: relative;
  width: 100%;
}

.calc-select {
  width: 100%;
  padding: 0.85rem 1.2rem;
  border-radius: var(--radius-md);
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--fg-primary);
  font-size: 0.95rem;
  appearance: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.calc-select:focus {
  border-color: var(--input-border-focus);
  box-shadow: 0 0 0 3px var(--accent-soft-bg);
}

.calc-select option {
  background-color: var(--bg-secondary);
  color: var(--fg-primary);
}

.select-wrapper::after {
  content: '▾';
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--fg-secondary);
  pointer-events: none;
}

.calc-slider {
  width: 100%;
  height: 6px;
  background: var(--border-strong);
  border-radius: var(--radius-full);
  outline: none;
  appearance: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.calc-slider::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-gradient);
  box-shadow: 0 0 10px var(--accent-glow-color);
  transition: transform var(--transition-fast);
  cursor: pointer;
}

.calc-slider::-webkit-slider-thumb:hover {
  transform: scale(1.25);
}

.range-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--fg-tertiary);
}

.results-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
  flex: 1;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.result-item:hover {
  transform: translateX(4px);
  border-color: var(--accent-primary);
}

.result-meta {
  display: flex;
  flex-direction: column;
}

.result-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg-primary);
}

.result-sub {
  font-size: 0.75rem;
  color: var(--fg-tertiary);
  margin-top: 0.15rem;
}

.result-val {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--fg-primary);
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.result-val.highlight {
  color: var(--accent-primary);
}

.result-unit {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--fg-secondary);
}

.calc-cta {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

.cta-prompt {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  margin-bottom: 1rem;
}

@media (min-width: 992px) {
  .calculator-grid {
    grid-template-columns: 1.2fr 1fr;
  }
  .inputs-block {
    border-bottom: none;
    border-right: 1px solid var(--border-subtle);
    padding: 3rem 2.5rem;
  }
  .results-block {
    padding: 3rem 2.5rem;
  }
}

/* ==========================================================================
   Portfolio Preview & Full Cards
   ========================================================================== */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 3.5rem;
}

.portfolio-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.portfolio-card:hover {
  border-color: var(--card-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}

.portfolio-content {
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.portfolio-tag {
  align-self: flex-start;
  padding: 0.25rem 0.75rem;
  background: var(--accent-soft-bg);
  border: 1px solid var(--accent-soft-border);
  color: var(--accent-primary);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.portfolio-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.portfolio-desc {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  margin-bottom: 1.5rem;
  flex: 1;
}

.portfolio-stats {
  display: flex;
  gap: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-val {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-primary);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--fg-tertiary);
}

@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Detailed Portfolio Page Styles */
.cases-list {
  display: flex;
  flex-direction: column;
  gap: 4.5rem;
  margin-bottom: 5rem;
}

.case-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  transition: all var(--transition-normal);
}

.case-card:hover {
  border-color: var(--card-border-hover);
  box-shadow: var(--card-shadow-hover);
}

.case-header {
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.5rem;
}

.case-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.case-subtitle {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  font-weight: 500;
}

.case-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.case-text-col {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.case-block-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--fg-primary);
  margin-bottom: 0.5rem;
}

.case-block-text {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.7;
}

.case-block-text ul {
  padding-left: 1.25rem;
  list-style: disc;
  margin-top: 0.5rem;
}

.case-block-text li {
  margin-bottom: 0.5rem;
}

.case-results-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.case-results-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg-primary);
}

.case-stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.case-stat-card:hover {
  transform: translateX(4px);
  border-color: var(--accent-primary);
}

@media (min-width: 992px) {
  .case-body {
    grid-template-columns: 1.2fr 1fr;
  }
}

/* ==========================================================================
   About Section (Home)
   ========================================================================== */
.about-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content {
  max-width: 600px;
}

.about-title {
  margin-bottom: 1.5rem;
}

.about-text {
  margin-bottom: 1.5rem;
  font-size: 1rem;
  line-height: 1.7;
}

.about-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.point-item {
  display: flex;
  gap: 1rem;
}

.point-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-primary);
  line-height: 1;
}

.point-title {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.point-desc {
  font-size: 0.9rem;
  color: var(--fg-secondary);
}

@media (min-width: 768px) {
  .about-points {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .about-container {
    grid-template-columns: 1fr 1fr;
  }
}

/* ==========================================================================
   Contacts & Forms
   ========================================================================== */
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  margin-top: 3.5rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-headline {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-text {
  font-size: 1rem;
  color: var(--fg-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contact-list-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-icon {
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent-primary);
}

.contact-detail {
  display: flex;
  flex-direction: column;
}

.contact-label {
  font-size: 0.8rem;
  color: var(--fg-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-value {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg-primary);
}

.contact-value:hover {
  color: var(--accent-primary);
}

/* Contact Form Card */
.form-container {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  padding: 2.5rem 2rem;
  width: 100%;
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
  position: relative;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1.2rem;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-md);
  color: var(--fg-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--input-border-focus);
  box-shadow: 0 0 0 3px var(--accent-soft-bg);
}

.form-input.error,
.form-textarea.error {
  border-color: var(--error);
}

.error-message {
  font-size: 0.8rem;
  color: var(--error);
  display: none;
}

.form-alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  text-align: center;
  display: none;
}

.form-alert.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--error);
}

/* Success State */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2.5rem 1rem;
}

.form-success.show {
  display: flex;
}

.success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
}

.success-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--fg-primary);
}

.success-desc {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.5;
  margin-bottom: 1.5rem;
  max-width: 400px;
}

/* Hidden honeypot */
.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

@media (min-width: 576px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 992px) {
  .contacts-grid {
    grid-template-columns: 1fr 1.2fr;
  }
}

/* ==========================================================================
   Services Page Details
   ========================================================================== */
.services-detail-list {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.service-detail-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  scroll-margin-top: 100px;
  transition: all var(--transition-normal);
}

.service-detail-card:hover {
  border-color: var(--card-border-hover);
  box-shadow: var(--card-shadow-hover);
}

.service-card-header {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.5rem;
}

.service-card-icon {
  font-size: 2.2rem;
  background: var(--card-bg);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.service-card-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.service-steps-col {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
}

.service-steps-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--fg-primary);
}

.service-steps-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.service-step-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.4;
}

.service-step-bullet {
  color: var(--accent-primary);
  font-weight: bold;
}

@media (min-width: 992px) {
  .service-card-content {
    grid-template-columns: 1.2fr 1fr;
  }
}

/* ==========================================================================
   BAS Configurations Grid Section (SEO)
   ========================================================================== */
.config-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 3.5rem;
}

.config-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.config-card:hover {
  border-color: var(--card-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}

.config-badge {
  align-self: flex-start;
  padding: 0.25rem 0.75rem;
  background: var(--accent-soft-bg);
  border: 1px solid var(--accent-soft-border);
  color: var(--accent-primary);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.config-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.config-desc {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex: 1;
}

.config-for {
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--fg-tertiary);
}

.config-for strong {
  color: var(--fg-primary);
}

@media (min-width: 768px) {
  .config-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .config-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   FAQ Section & Accordion (SEO)
   ========================================================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 850px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--accent-primary);
}

.faq-question {
  width: 100%;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg-primary);
  cursor: pointer;
  background: transparent;
  gap: 1rem;
}

.faq-question:hover {
  color: var(--accent-primary);
}

.faq-icon {
  font-size: 1.4rem;
  line-height: 1;
  color: var(--accent-primary);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 2rem;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding-bottom: 1.5rem;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2.5rem;
  position: relative;
  z-index: 10;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.brand-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.brand-desc {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  max-width: 340px;
  line-height: 1.6;
}

.footer-col-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--fg-primary);
  position: relative;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
}

.links-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.links-list a {
  color: var(--fg-secondary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.links-list a:hover {
  color: var(--accent-primary);
  padding-left: 4px;
}

.footer-contacts-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-contacts-list li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-contact-label {
  font-size: 0.8rem;
  color: var(--fg-tertiary);
  text-transform: uppercase;
}

.footer-contact-value {
  color: var(--fg-primary);
  font-weight: 500;
}

.footer-contact-value:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--fg-tertiary);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1.5fr;
  }
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ==========================================================================
   Breadcrumbs Navigation (SEO & UX)
   ========================================================================== */
.breadcrumb-nav {
  padding: 1.25rem 0 0.5rem;
  font-size: 0.85rem;
  position: relative;
  z-index: 2;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.breadcrumb-item a {
  color: var(--fg-secondary);
  transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
  color: var(--accent-primary);
}

.breadcrumb-separator {
  color: var(--fg-tertiary);
  font-size: 0.8rem;
  opacity: 0.6;
  user-select: none;
}

.breadcrumb-item.active {
  color: var(--accent-primary);
  font-weight: 600;
}

/* ==========================================================================
   Free 1C Audit Lead-Gen Banner Section
   ========================================================================== */
.audit-section {
  padding: 4.5rem 0;
  position: relative;
  z-index: 5;
}

.audit-card {
  background: var(--card-bg);
  border: 1px solid var(--accent-soft-border);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.audit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent-gradient);
}

.audit-title {
  font-size: clamp(1.75rem, 3.2vw, 2.3rem);
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.25;
}

.audit-desc {
  font-size: 1.05rem;
  color: var(--fg-secondary);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.audit-features {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.audit-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.audit-feature-icon {
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.audit-feature-item strong {
  display: block;
  color: var(--fg-primary);
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.audit-feature-item span {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  line-height: 1.4;
}

.audit-action-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.08);
}

.audit-badge-pill {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  background: var(--accent-soft-bg);
  border: 1px solid var(--accent-soft-border);
  color: var(--accent-primary);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.audit-box-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--fg-primary);
  margin-bottom: 0.5rem;
}

.audit-box-sub {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  margin-bottom: 1.75rem;
  line-height: 1.5;
}

.audit-guarantee {
  font-size: 0.8rem;
  color: var(--fg-tertiary);
  margin-top: 1rem;
  display: block;
}

@media (min-width: 992px) {
  .audit-card {
    grid-template-columns: 1.3fr 0.9fr;
    padding: 3.5rem;
  }
}

/* ==========================================================================
   1C to BAS Migration Page Styles
   ========================================================================== */
.matrix-container {
  overflow-x: auto;
  margin-top: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  background: var(--card-bg);
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 780px;
}

.matrix-table th {
  background: var(--accent-soft-bg);
  color: var(--fg-primary);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  letter-spacing: 0.02em;
}

.matrix-table td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.95rem;
  vertical-align: middle;
}

.matrix-table tr:last-child td {
  border-bottom: none;
}

.matrix-table tr:hover {
  background: var(--card-hover-bg);
}

.badge-1c {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
}

.badge-bas {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  background: var(--accent-soft-bg);
  color: var(--accent-primary);
  border: 1px solid var(--accent-soft-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
}

/* Migration Steps Roadmap */
.roadmap-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .roadmap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .roadmap-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.roadmap-card {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.roadmap-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-soft-border);
  box-shadow: var(--card-shadow-hover);
}

.roadmap-step-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent-primary);
  opacity: 0.85;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.roadmap-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--fg-primary);
}

.roadmap-card-desc {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 1rem;
}

.roadmap-timeline {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-primary);
  background: var(--accent-soft-bg);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  align-self: flex-start;
}

/* Why Migrate Grid */
.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .why-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.why-card {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
}

.why-icon {
  font-size: 2.2rem;
  margin-bottom: 1.25rem;
  display: inline-block;
}

.why-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--fg-primary);
}

.why-desc {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   BAS System Selection Guide Styles (choose-bas.html)
   ========================================================================== */
.industry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .industry-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .industry-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.industry-card {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
}

.industry-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-soft-border);
  box-shadow: var(--card-shadow-hover);
}

.industry-icon-wrap {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.industry-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--fg-primary);
  margin-bottom: 0.75rem;
}

.industry-card-desc {
  font-size: 0.92rem;
  color: var(--fg-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.industry-features-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.industry-feature-bullet {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--fg-secondary);
}

.industry-feature-bullet span:first-child {
  color: var(--accent-primary);
  font-weight: 700;
  line-height: 1;
}

.industry-solution-box {
  background: var(--accent-soft-bg);
  border: 1px solid var(--accent-soft-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-top: auto;
}

.industry-solution-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  color: var(--accent-primary);
  display: block;
  margin-bottom: 0.25rem;
}

.industry-solution-name {
  font-size: 1rem;
  font-weight: 800;
  color: var(--fg-primary);
}

/* Capability Table */
.check-yes {
  color: #10b981;
  font-weight: 800;
  font-size: 1.1rem;
}

.check-no {
  color: var(--fg-tertiary);
  font-weight: 600;
}

.check-opt {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  background: rgba(245, 158, 11, 0.12);
  color: #d97706;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
}

/* Mistakes Section */
.mistakes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .mistakes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .mistakes-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.mistake-card {
  background: var(--card-bg);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  position: relative;
}

.mistake-badge {
  color: #ef4444;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  display: inline-block;
}

.mistake-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fg-primary);
  margin-bottom: 0.75rem;
}

.mistake-desc {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  line-height: 1.6;
}

/* Interactive Quiz */
.quiz-wrapper {
  max-width: 800px;
  margin: 3rem auto 0;
  background: var(--card-bg);
  border: 1px solid var(--accent-soft-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  box-shadow: var(--card-shadow-hover);
  backdrop-filter: var(--glass-blur);
  position: relative;
  overflow: hidden;
}

.quiz-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent-gradient);
}

.quiz-progress-container {
  margin-bottom: 2rem;
}

.quiz-progress-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.quiz-progress-track {
  width: 100%;
  height: 6px;
  background: var(--border-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  background: var(--accent-gradient);
  width: 33%;
  transition: width 0.3s ease;
}

.quiz-step {
  display: none;
}

.quiz-step.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.quiz-question-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--fg-primary);
  margin-bottom: 0.5rem;
}

.quiz-question-sub {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  margin-bottom: 1.75rem;
}

.quiz-options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 600px) {
  .quiz-options-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.quiz-option-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--fg-primary);
}

.quiz-option-btn:hover {
  border-color: var(--accent-primary);
  background: var(--accent-soft-bg);
  transform: translateY(-2px);
}

.quiz-opt-icon {
  font-size: 1.4rem;
  line-height: 1;
  flex-shrink: 0;
}

.quiz-opt-text strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.quiz-opt-text span {
  font-size: 0.82rem;
  color: var(--fg-secondary);
}

.quiz-result-card {
  text-align: center;
  padding: 1rem 0;
}

.quiz-result-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: var(--accent-soft-bg);
  border: 1px solid var(--accent-soft-border);
  color: var(--accent-primary);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.quiz-result-system {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 900;
  color: var(--fg-primary);
  margin-bottom: 1rem;
}

.quiz-result-explanation {
  font-size: 1.05rem;
  color: var(--fg-secondary);
  line-height: 1.6;
  max-width: 620px;
  margin: 0 auto 2rem;
}

.quiz-result-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Callout Trigger Banner (for index and services) */
.guide-trigger-card {
  background: var(--card-bg);
  border: 1px solid var(--accent-soft-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
  margin: 3.5rem 0;
  position: relative;
  overflow: hidden;
}

.guide-trigger-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--accent-gradient);
}

@media (max-width: 576px) {
  .guide-trigger-card {
    padding: 1.75rem 1.25rem;
    margin: 2.5rem 0;
  }
  .guide-trigger-card .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

@media (min-width: 768px) {
  .guide-trigger-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* ==========================================================================
   BAS ERP Dedicated Page Styles
   ========================================================================== */

/* Subsystems Grid & Cards */
.erp-modules-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .erp-modules-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .erp-modules-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.erp-module-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
}

.erp-module-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.erp-module-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.erp-module-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-light);
  border: 1px solid var(--accent-soft-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.erp-module-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--fg-primary);
  margin-bottom: 0.75rem;
}

.erp-module-desc {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.erp-features-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
}

.erp-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--fg-primary);
  line-height: 1.4;
}

.erp-feature-check {
  color: var(--accent-primary);
  font-weight: 700;
  flex-shrink: 0;
}

/* 1C:УПП vs BAS ERP Comparison Cards */
.upp-vs-erp-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

@media (min-width: 900px) {
  .upp-vs-erp-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.compare-box {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  display: flex;
  flex-direction: column;
}

.compare-box-legacy {
  border: 1px solid rgba(239, 68, 68, 0.35);
  position: relative;
}

.compare-box-legacy::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: #ef4444;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.compare-box-modern {
  border: 1px solid var(--accent-soft-border);
  position: relative;
}

.compare-box-modern::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent-gradient);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.compare-box-header {
  margin-bottom: 1.5rem;
}

.compare-box-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0.5rem 0;
  color: var(--fg-primary);
}

.compare-box-sub {
  font-size: 0.95rem;
  color: var(--fg-secondary);
}

.compare-items-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.compare-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

.compare-item-icon {
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.compare-icon-danger {
  color: #ef4444;
}

.compare-icon-success {
  color: #10b981;
}

/* 6-Stage Corporate Timeline */
.corp-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3.5rem;
}

@media (min-width: 768px) {
  .corp-timeline {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .corp-timeline {
    grid-template-columns: repeat(3, 1fr);
  }
}

.corp-stage-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.corp-stage-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
}

.corp-stage-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent-primary);
  line-height: 1;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.corp-stage-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fg-primary);
  margin-bottom: 0.75rem;
}

.corp-stage-desc {
  font-size: 0.92rem;
  color: var(--fg-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.corp-stage-deliverable {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px dashed var(--border-subtle);
  font-size: 0.85rem;
  color: var(--fg-tertiary);
}

.corp-stage-deliverable strong {
  color: var(--fg-primary);
}