/*
 * SFDC File Manager — Main Stylesheet
 * Design System: Premium corporate SaaS aesthetic
 * Stack: Bootstrap 5 + Custom CSS
 * ============================================================
 */

/* ============================================================
   1. DESIGN TOKENS / CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  /* Brand Colors */
  --clr-primary:        #0070D2;   /* Salesforce blue */
  --clr-primary-dark:   #005FB2;
  --clr-primary-light:  #E8F4FD;
  --clr-secondary:      #00A1E0;   /* Lighter Salesforce blue */
  --clr-accent:         #032D60;   /* Deep Salesforce navy */

  /* Neutral Palette */
  --clr-dark:           #0F172A;   /* Near-black headings */
  --clr-body:           #334155;   /* Body text */
  --clr-muted:          #64748B;   /* Supporting / meta text */
  --clr-border:         #E2E8F0;   /* Subtle borders */
  --clr-bg-light:       #F8FAFC;   /* Alternate section bg */
  --clr-bg-mid:         #F1F5F9;   /* Mid-tone section bg */
  --clr-white:          #FFFFFF;

  /* Status / utility */
  --clr-success:        #22C55E;
  --clr-star:           #F59E0B;

  /* Typography */
  --font-sans:          'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-weight-regular: 400;
  --font-weight-medium:  500;
  --font-weight-semibold:600;
  --font-weight-bold:    700;
  --font-weight-extrabold:800;

  /* Type Scale */
  --text-xs:    0.75rem;    /* 12px */
  --text-sm:    0.875rem;   /* 14px */
  --text-base:  1rem;       /* 16px */
  --text-lg:    1.125rem;   /* 18px */
  --text-xl:    1.25rem;    /* 20px */
  --text-2xl:   1.5rem;     /* 24px */
  --text-3xl:   1.875rem;   /* 30px */
  --text-4xl:   2.25rem;    /* 36px */
  --text-5xl:   3rem;       /* 48px */
  --text-6xl:   3.75rem;    /* 60px */

  /* Spacing Scale */
  --sp-1:   0.25rem;
  --sp-2:   0.5rem;
  --sp-3:   0.75rem;
  --sp-4:   1rem;
  --sp-5:   1.25rem;
  --sp-6:   1.5rem;
  --sp-8:   2rem;
  --sp-10:  2.5rem;
  --sp-12:  3rem;
  --sp-16:  4rem;
  --sp-20:  5rem;
  --sp-24:  6rem;
  --sp-32:  8rem;

  /* Section vertical rhythm */
  --section-py:         6rem;
  --section-py-sm:      4rem;

  /* Border Radius */
  --radius-sm:    6px;
  --radius-md:    10px;
  --radius-lg:    16px;
  --radius-xl:    24px;
  --radius-pill:  999px;

  /* Shadows */
  --shadow-sm:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:    0 4px 12px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
  --shadow-lg:    0 10px 30px rgba(0,0,0,.10), 0 4px 10px rgba(0,0,0,.05);
  --shadow-xl:    0 20px 50px rgba(0,0,0,.12);
  --shadow-card:  0 2px 8px rgba(15,23,42,.06), 0 0 0 1px rgba(15,23,42,.04);
  --shadow-hover: 0 8px 24px rgba(0,112,210,.15);

  /* Transitions */
  --transition-base: 0.2s ease;
  --transition-slow: 0.35s ease;

  /* Header height */
  --header-h: 72px;
}

/* ============================================================
   2. BASE RESET & GLOBAL STYLES
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-weight-regular);
  line-height: 1.7;
  color: var(--clr-body);
  background-color: var(--clr-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--clr-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}
a:hover { color: var(--clr-primary-dark); }
a:focus-visible {
  outline: 2px solid var(--clr-primary);
  outline-offset: 3px;
  border-radius: 3px;
}

::selection {
  background: var(--clr-primary);
  color: var(--clr-white);
}

/* ============================================================
   3. TYPOGRAPHY SYSTEM
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  color: var(--clr-dark);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, var(--text-6xl)); font-weight: var(--font-weight-extrabold); }
h2 { font-size: clamp(1.875rem, 4vw, var(--text-5xl)); }
h3 { font-size: clamp(1.25rem, 2.5vw, var(--text-2xl)); font-weight: var(--font-weight-semibold); }
h4 { font-size: var(--text-xl); font-weight: var(--font-weight-semibold); }
h5 { font-size: var(--text-lg); font-weight: var(--font-weight-semibold); }
h6 { font-size: var(--text-base); font-weight: var(--font-weight-semibold); }

p { color: var(--clr-body); line-height: 1.75; }

.lead {
  font-size: var(--text-lg);
  color: var(--clr-muted);
  line-height: 1.75;
  max-width: 640px;
}

/* Eyebrow / section label */
.eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-primary);
  background: var(--clr-primary-light);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-pill);
  margin-bottom: var(--sp-4);
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: var(--font-weight-bold);
  color: var(--clr-dark);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--clr-muted);
  line-height: 1.7;
  max-width: 600px;
}

/* ============================================================
   4. LAYOUT HELPERS
   ============================================================ */
.section {
  padding: var(--section-py) 0;
}

.section--sm {
  padding: var(--section-py-sm) 0;
}

.section--light {
  background-color: var(--clr-bg-light);
}

.section--mid {
  background-color: var(--clr-bg-mid);
}

.section--dark {
  background-color: var(--clr-accent);
  color: var(--clr-white);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4,
.section--dark .section-title { color: var(--clr-white); }
.section--dark .section-subtitle,
.section--dark p { color: rgba(255,255,255,0.8); }

.section-header {
  margin-bottom: var(--sp-16);
}

.section-header.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   5. BUTTON SYSTEM
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-family: var(--font-sans);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-base);
  line-height: 1;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  padding: 0.75rem 1.75rem;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
}
.btn:focus-visible {
  outline: 2px solid var(--clr-primary);
  outline-offset: 3px;
}

/* Primary */
.btn-primary {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: var(--clr-white);
}
.btn-primary:hover {
  background: var(--clr-primary-dark);
  border-color: var(--clr-primary-dark);
  color: var(--clr-white);
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

/* Secondary outline */
.btn-outline-primary {
  background: transparent;
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}
.btn-outline-primary:hover {
  background: var(--clr-primary);
  color: var(--clr-white);
  transform: translateY(-1px);
}

/* White / ghost */
.btn-white {
  background: var(--clr-white);
  border-color: var(--clr-white);
  color: var(--clr-primary);
}
.btn-white:hover {
  background: var(--clr-primary-light);
  color: var(--clr-primary-dark);
  transform: translateY(-1px);
}

.btn-outline-white {
  background: transparent;
  border-color: rgba(255,255,255,0.6);
  color: var(--clr-white);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--clr-white);
  color: var(--clr-white);
}

/* Size variants */
.btn-lg {
  padding: 0.9rem 2.25rem;
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}
.btn-sm {
  padding: 0.5rem 1.125rem;
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
}

/* ============================================================
   6. HEADER / NAVIGATION
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: var(--clr-white);
  border-bottom: 1px solid var(--clr-border);
  transition: box-shadow var(--transition-base), background var(--transition-base);
  height: var(--header-h);
  display: flex;
  align-items: center;
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
}

.navbar-brand img {
  height: 40px;
  width: auto;
}

.navbar-brand .brand-name {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-bold);
  color: var(--clr-dark);
  line-height: 1;
  white-space: nowrap;
}
.navbar-brand .brand-name span {
  color: var(--clr-primary);
}

.site-header .nav-link {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--clr-body);
  padding: var(--sp-2) var(--sp-3) !important;
  border-radius: var(--radius-sm);
  transition: color var(--transition-base), background var(--transition-base);
  position: relative;
}
.site-header .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--sp-3);
  right: var(--sp-3);
  height: 2px;
  background: var(--clr-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
  border-radius: 1px;
}
.site-header .nav-link:hover,
.site-header .nav-link.active {
  color: var(--clr-primary);
  background: var(--clr-primary-light);
}
.site-header .nav-link.active::after,
.site-header .nav-link:hover::after {
  transform: scaleX(1);
}

.site-header .navbar-nav {
  gap: var(--sp-1);
}

.header-cta {
  margin-left: var(--sp-4);
}

/* Mobile toggler */
.navbar-toggler {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: var(--sp-2);
  color: var(--clr-dark);
  transition: background var(--transition-base);
}
.navbar-toggler:hover { background: var(--clr-bg-light); }
.navbar-toggler:focus { box-shadow: none; outline: 2px solid var(--clr-primary); }

/* ============================================================
   7. HERO SECTION
   ============================================================ */
.hero {
  padding: calc(var(--section-py) * 1.1) 0 var(--section-py);
  background: linear-gradient(135deg, var(--clr-accent) 0%, #0c4a8a 50%, var(--clr-primary) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(0,161,224,.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 0% 100%, rgba(255,255,255,.04) 0%, transparent 50%);
  pointer-events: none;
}

/* Decorative grid dots */
.hero::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 420px;
  height: 420px;
  background-image: radial-gradient(circle, rgba(255,255,255,.1) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  pointer-events: none;
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-pill);
  margin-bottom: var(--sp-6);
  backdrop-filter: blur(4px);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--clr-white);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-6);
}

.hero-title .highlight {
  color: var(--clr-secondary);
  position: relative;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.82);
  line-height: 1.75;
  margin-bottom: var(--sp-8);
  max-width: 540px;
}

.hero-features {
  list-style: none;
  padding: 0;
  margin-bottom: var(--sp-10);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.hero-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  color: rgba(255,255,255,0.9);
  font-size: var(--text-base);
  font-weight: var(--font-weight-medium);
}

.hero-features li .feature-check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--clr-secondary);
  font-size: 11px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  align-items: center;
}

.hero-visual {
  position: relative;
  z-index: 2;
}

.hero-card-wrap {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-xl);
  padding: 0;
  backdrop-filter: blur(10px);
  box-shadow: 0 24px 64px rgba(0,0,0,.25);
}

.hero-card-wrap img {
  border-radius: var(--radius-lg);
  width: 100%;
  box-shadow: var(--shadow-lg);
}

/* Hero badge strip */
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-top: var(--sp-12);
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-pill);
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.9);
  font-weight: var(--font-weight-medium);
}

.hero-badge svg {
  color: var(--clr-secondary);
}

/* ============================================================
   8. CARDS
   ============================================================ */
.feature-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  height: 100%;
  height: 100%;
  transition: box-shadow var(--transition-slow), transform var(--transition-slow), border-color var(--transition-slow);
  box-shadow: var(--shadow-card);
}

.feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(0,112,210,.2);
}

.feature-card .card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--clr-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-5);
  color: var(--clr-primary);
  transition: background var(--transition-base), color var(--transition-base);
}

.feature-card:hover .card-icon {
  background: var(--clr-primary);
  color: var(--clr-white);
}

.feature-card .card-icon svg {
  width: 28px;
  height: 28px;
}

.feature-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--sp-3);
}

.feature-card p {
  color: var(--clr-muted);
  font-size: var(--text-base);
  margin: 0;
}

/* Numbered card */
.numbered-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8) var(--sp-8) var(--sp-8) var(--sp-8);
  height: 100%;
  padding-right: 5.5rem;   /* reserve space for the absolute number */
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-slow), transform var(--transition-slow);
}
.numbered-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.numbered-card .card-number {
  font-size: 3.5rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--clr-primary);
  line-height: 1;
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-5);
  letter-spacing: -0.04em;
  user-select: none;
  pointer-events: none;
}

/* Benefit card (icon + text inline) */
.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-5);
  padding: var(--sp-6) 0;
  border-bottom: 1px solid var(--clr-border);
}
.benefit-item:last-child { border-bottom: none; }

.benefit-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--clr-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--clr-primary);
}
.benefit-icon svg { width: 22px; height: 22px; }

.benefit-text h4 { margin-bottom: var(--sp-1); font-size: var(--text-lg); }
.benefit-text p  { margin: 0; color: var(--clr-muted); font-size: var(--text-sm); }

/* ============================================================
   9. STATS / COUNTERS
   ============================================================ */
.stats-section {
  background: var(--clr-accent);
  padding: var(--sp-24) 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 50% 50%, rgba(0,112,210,.25) 0%, transparent 60%);
  pointer-events: none;
}

.stat-item {
  text-align: center;
  padding: var(--sp-8) var(--sp-4);
}

.stat-number {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--clr-white);
  line-height: 1;
  letter-spacing: -0.03em;
  display: block;
  margin-bottom: var(--sp-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.7);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.stat-divider {
  width: 0.5px;
  background: rgba(255,255,255,0.08);
  align-self: stretch;
}

/* ============================================================
   10. TESTIMONIALS / REVIEWS
   ============================================================ */
.review-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  height: 100%;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-slow), transform var(--transition-slow);
  display: flex;
  flex-direction: column;
}

.review-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.review-stars {
  display: flex;
  gap: 3px;
  margin-bottom: var(--sp-4);
  color: var(--clr-star);
  font-size: var(--text-lg);
}

.review-text {
  font-size: var(--text-base);
  color: var(--clr-body);
  line-height: 1.75;
  font-style: italic;
  flex-grow: 1;
  margin-bottom: var(--sp-6);
  position: relative;
}
.review-text::before {
  content: '\201C';
  font-size: 4rem;
  color: var(--clr-primary-light);
  line-height: 0;
  position: absolute;
  top: 10px;
  left: -8px;
  font-family: Georgia, serif;
}

.review-author {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin-top: auto;
  padding-top: var(--sp-5);
  border-top: 1px solid var(--clr-border);
}

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  color: var(--clr-white);
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.review-author-info strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-dark);
}
.review-author-info span {
  font-size: var(--text-xs);
  color: var(--clr-muted);
}

/* Carousel controls override */
.reviews-carousel .carousel-control-prev,
.reviews-carousel .carousel-control-next {
  width: 44px;
  height: 44px;
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  box-shadow: var(--shadow-sm);
  color: var(--clr-primary);
  opacity: 1;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
.reviews-carousel .carousel-control-prev { left: -22px; }
.reviews-carousel .carousel-control-next { right: -22px; }
.reviews-carousel .carousel-control-prev:hover,
.reviews-carousel .carousel-control-next:hover {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  box-shadow: var(--shadow-hover);
}
.reviews-carousel .carousel-control-prev-icon,
.reviews-carousel .carousel-control-next-icon {
  width: 16px;
  height: 16px;
}

/* Rating badge */
.rating-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: #FEF3C7;
  border: 1px solid #FDE68A;
  border-radius: var(--radius-pill);
  padding: var(--sp-1) var(--sp-4);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: #92400E;
  margin-bottom: var(--sp-4);
}

/* ============================================================
   11. FAQ ACCORDION
   ============================================================ */
.faq-item {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-3);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}
.faq-item:hover { box-shadow: var(--shadow-sm); }

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--sp-5) var(--sp-6);
  background: var(--clr-white);
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-dark);
  text-align: left;
  transition: background var(--transition-base), color var(--transition-base);
  gap: var(--sp-4);
}
.faq-question:hover { background: var(--clr-bg-light); color: var(--clr-primary); }
.faq-question.active { background: var(--clr-primary-light); color: var(--clr-primary); }

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--clr-bg-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--clr-muted);
  transition: all var(--transition-base);
}
.faq-question.active .faq-icon {
  background: var(--clr-primary);
  color: var(--clr-white);
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 var(--sp-6) var(--sp-5);
  background: var(--clr-white);
  color: var(--clr-muted);
  font-size: var(--text-base);
  line-height: 1.75;
}
.faq-answer.open { display: block; }

/* ============================================================
   12. FORMS
   ============================================================ */
.form-group {
  margin-bottom: var(--sp-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-dark);
  margin-bottom: var(--sp-2);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--clr-dark);
  background: var(--clr-white);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  outline: none;
}
.form-control::placeholder { color: var(--clr-muted); opacity: 0.7; }
.form-control:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(0,112,210,.12);
}
.form-control.is-invalid { border-color: #EF4444; }
.form-control.is-invalid:focus { box-shadow: 0 0 0 3px rgba(239,68,68,.12); }

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748B' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

textarea.form-control { resize: vertical; min-height: 130px; }

.form-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-10);
  box-shadow: var(--shadow-lg);
  height: 100%;
}

/* ============================================================
   13. CTA SECTION
   ============================================================ */
.cta-section {
  background: linear-gradient(135deg, var(--clr-accent) 0%, var(--clr-primary) 100%);
  padding: var(--sp-24) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 100% at 50% 0%, rgba(0,161,224,.2) 0%, transparent 60%);
  pointer-events: none;
}
.cta-section .section-title { color: var(--clr-white); }
.cta-section .section-subtitle { color: rgba(255,255,255,0.8); margin: 0 auto var(--sp-10); }

/* ============================================================
   14. PROCESS / STEPS
   ============================================================ */
.step-item {
  text-align: center;
  padding: var(--sp-6) var(--sp-4);
}

.step-num {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--clr-primary);
  color: var(--clr-white);
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-extrabold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-5);
  box-shadow: 0 8px 24px rgba(0,112,210,.3);
}

.step-connector {
  position: relative;
}
.step-connector::after {
  content: '';
  position: absolute;
  top: 32px;
  left: calc(50% + 40px);
  right: calc(-50% + 40px);
  height: 2px;
  background: var(--clr-border);
}

/* ============================================================
   15. DOCUMENTATION
   ============================================================ */
.docs-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 24px);
}

.docs-nav {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.docs-nav-header {
  padding: var(--sp-4) var(--sp-5);
  background: var(--clr-bg-mid);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-muted);
  border-bottom: 1px solid var(--clr-border);
}

.docs-nav-list {
  list-style: none;
  padding: var(--sp-3) 0;
  margin: 0;
}

.docs-nav-list li { }

.docs-nav-list a {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-5);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--clr-body);
  transition: all var(--transition-base);
  border-left: 3px solid transparent;
}
.docs-nav-list a:hover {
  color: var(--clr-primary);
  background: var(--clr-bg-light);
  border-left-color: var(--clr-primary);
}
.docs-nav-list a.active {
  color: var(--clr-primary);
  background: var(--clr-primary-light);
  border-left-color: var(--clr-primary);
  font-weight: var(--font-weight-semibold);
}

.docs-section {
  scroll-margin-top: calc(var(--header-h) + 24px);
  margin-bottom: var(--sp-16);
}

.docs-section:last-child { margin-bottom: 0; }

.docs-heading {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-4);
  border-bottom: 2px solid var(--clr-border);
  color: var(--clr-dark);
}

.docs-subheading {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--sp-4);
  margin-top: var(--sp-8);
  color: var(--clr-dark);
}

.docs-step {
  display: flex;
  gap: var(--sp-5);
  padding: var(--sp-5) 0;
  border-bottom: 1px dashed var(--clr-border);
}
.docs-step:last-child { border-bottom: none; }

.docs-step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--clr-primary);
  color: var(--clr-white);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.docs-step-body h5 { margin-bottom: var(--sp-2); font-size: var(--text-base); }
.docs-step-body p  { margin: 0; color: var(--clr-muted); font-size: var(--text-sm); }

.callout {
  display: flex;
  gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-6);
  background: var(--clr-primary-light);
  border-left: 4px solid var(--clr-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--sp-6) 0;
}
.callout-icon { color: var(--clr-primary); flex-shrink: 0; margin-top: 2px; }
.callout p { margin: 0; color: var(--clr-body); font-size: var(--text-sm); }

/* ============================================================
   16. PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  padding: var(--sp-20) 0 var(--sp-16);
  background: linear-gradient(135deg, var(--clr-accent) 0%, #0c4a8a 100%);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 100% 50%, rgba(0,161,224,.18) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero-content { position: relative; z-index: 2; }
.page-hero .page-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--clr-white);
  margin-bottom: var(--sp-4);
  letter-spacing: -0.025em;
}
.page-hero .page-subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.8);
  max-width: 560px;
  margin-bottom: var(--sp-6);
}
.breadcrumb-nav {
  display: flex;
  gap: var(--sp-2);
  align-items: center;
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
}
.breadcrumb-nav a { color: rgba(255,255,255,0.75); }
.breadcrumb-nav a:hover { color: var(--clr-white); }
.breadcrumb-sep { color: rgba(255,255,255,0.4); }

/* ============================================================
   17. FOOTER
   ============================================================ */
.site-footer {
  background: var(--clr-dark);
  color: rgba(255,255,255,0.7);
}

.footer-top {
  padding: var(--sp-20) 0 var(--sp-12);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .brand-name {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--clr-white);
  margin-bottom: var(--sp-4);
  display: block;
}

.footer-description {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: rgba(255,255,255,0.6);
  max-width: 300px;
  margin-bottom: var(--sp-6);
}

.footer-social {
  display: flex;
  gap: var(--sp-3);
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: all var(--transition-base);
}
.footer-social a:hover {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: var(--clr-white);
}

.footer-heading {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-5);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li { margin-bottom: var(--sp-3); }
.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-base);
}
.footer-links a:hover { color: var(--clr-white); }

.footer-contact-item {
  display: flex;
  gap: var(--sp-3);
  align-items: flex-start;
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--sp-4);
}
.footer-contact-item svg {
  color: var(--clr-secondary);
  flex-shrink: 0;
  margin-top: 3px;
}
.footer-contact-item a {
  color: rgba(255,255,255,0.6);
}
.footer-contact-item a:hover { color: var(--clr-white); }

.footer-bottom {
  padding: var(--sp-5) 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
}
.footer-bottom a {
  color: rgba(255,255,255,0.5);
}
.footer-bottom a:hover { color: var(--clr-white); }

/* ============================================================
   18. BACK TO TOP
   ============================================================ */
#back-to-top {
  position: fixed;
  bottom: var(--sp-8);
  right: var(--sp-8);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--clr-primary);
  color: var(--clr-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: all var(--transition-base);
  z-index: 999;
}
#back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
#back-to-top:hover {
  background: var(--clr-primary-dark);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

/* ============================================================
   19. UTILITY CLASSES
   ============================================================ */
.text-primary  { color: var(--clr-primary) !important; }
.text-dark     { color: var(--clr-dark) !important; }
.text-muted    { color: var(--clr-muted) !important; }
.text-white    { color: var(--clr-white) !important; }

.bg-primary    { background: var(--clr-primary) !important; }
.bg-light      { background: var(--clr-bg-light) !important; }
.bg-dark       { background: var(--clr-dark) !important; }

.fw-medium     { font-weight: var(--font-weight-medium) !important; }
.fw-semibold   { font-weight: var(--font-weight-semibold) !important; }
.fw-bold       { font-weight: var(--font-weight-bold) !important; }
.fw-extrabold  { font-weight: var(--font-weight-extrabold) !important; }

.rounded-lg    { border-radius: var(--radius-lg) !important; }
.rounded-xl    { border-radius: var(--radius-xl) !important; }

.shadow-card   { box-shadow: var(--shadow-card) !important; }
.shadow-lg     { box-shadow: var(--shadow-lg) !important; }

/* Check list */
.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
  font-size: var(--text-base);
  color: var(--clr-body);
}
.check-list li::before {
  content: '';
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--clr-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='8' viewBox='0 0 10 8'%3E%3Cpath d='M1 4l3 3 5-6' stroke='white' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* Alert / notice */
.alert-info-custom {
  background: var(--clr-primary-light);
  border: 1px solid rgba(0,112,210,.2);
  border-radius: var(--radius-md);
  padding: var(--sp-4) var(--sp-5);
  color: var(--clr-primary-dark);
  font-size: var(--text-sm);
}

/* ============================================================
   20. INSTALL PAGE SPECIFICS
   ============================================================ */
.install-steps .step-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  position: relative;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-slow), transform var(--transition-slow);
  height: 100%;
}
.install-steps .step-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.install-steps .step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--clr-primary);
  color: var(--clr-white);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--sp-5);
  box-shadow: 0 4px 12px rgba(0,112,210,.3);
}
.install-steps .step-connector-line {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--clr-primary), var(--clr-border));
  margin: 0 auto var(--sp-3);
}

/* Trust badges */
.trust-badge-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  justify-content: center;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  background: var(--clr-bg-light);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--sp-3) var(--sp-5);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--clr-dark);
}
.trust-badge svg { color: var(--clr-primary); }

/* ============================================================
   21. CONTACT PAGE
   ============================================================ */
.contact-info-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  box-shadow: var(--shadow-card);
  height: 100%;
}

.contact-info-item {
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--clr-border);
}
.contact-info-item:last-child { border-bottom: none; }

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--clr-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--clr-primary);
}
.contact-icon svg { width: 20px; height: 20px; }

.contact-info-text strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--clr-dark);
  margin-bottom: var(--sp-1);
}
.contact-info-text span,
.contact-info-text a {
  font-size: var(--text-sm);
  color: var(--clr-muted);
}
.contact-info-text a:hover { color: var(--clr-primary); }

/* ============================================================
   22. RESPONSIVE OVERRIDES
   ============================================================ */
@media (max-width: 991.98px) {
  :root {
    --section-py: 4.5rem;
    --section-py-sm: 3rem;
  }

  .site-header .navbar-collapse {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--clr-white);
    border-bottom: 1px solid var(--clr-border);
    padding: var(--sp-4) var(--sp-6);
    box-shadow: var(--shadow-md);
  }

  .site-header .navbar-nav {
    flex-direction: column;
    gap: var(--sp-1);
  }

  .header-cta {
    margin-left: 0;
    margin-top: var(--sp-3);
    padding-top: var(--sp-3);
    border-top: 1px solid var(--clr-border);
  }

  .hero { padding: var(--sp-20) 0 var(--sp-16); }
  .hero-visual { margin-top: var(--sp-10); }

  .stats-section .stat-divider { display: none; }

  .reviews-carousel .carousel-control-prev { left: 0; }
  .reviews-carousel .carousel-control-next { right: 0; }
}

@media (max-width: 767.98px) {
  :root {
    --section-py: 3.5rem;
    --header-h: 64px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .form-card { padding: var(--sp-6); }

  .docs-sidebar { margin-bottom: var(--sp-8); }

  .stat-item { padding: var(--sp-5) var(--sp-3); }

  .footer-top { padding: var(--sp-12) 0 var(--sp-8); }
  .footer-bottom { flex-direction: column; text-align: center; }

  #back-to-top {
    bottom: var(--sp-5);
    right: var(--sp-5);
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 575.98px) {
  .hero-badges { flex-direction: column; align-items: flex-start; }
  .trust-badge-strip { flex-direction: column; align-items: center; }
}

/* ============================================================
   23. ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-up {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-up--delay-1 { animation-delay: 0.1s; }
.animate-fade-up--delay-2 { animation-delay: 0.2s; }
.animate-fade-up--delay-3 { animation-delay: 0.3s; }

/* ============================================================
   24. PRINT STYLES
   ============================================================ */
@media print {
  .site-header,
  .site-footer,
  #back-to-top,
  .hero-actions,
  .cta-section { display: none !important; }
  body { color: #000; }
  a { color: #000; }
}