/* ============================================================
   POLERIC — Main Stylesheet
   Modern SaaS UI | Mobile-First | CSS Variables
   ============================================================ */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── Design Tokens ────────────────────────────────────────── */
:root {
  /* Gradient */
  --gradient-primary: linear-gradient(135deg, #A855F7, #7C3AED, #3B82F6, #22D3EE);
  --gradient-subtle:  linear-gradient(135deg, rgba(168,85,247,0.12), rgba(34,211,238,0.08));
  --gradient-text:    linear-gradient(135deg, #A855F7, #7C3AED, #3B82F6, #22D3EE);

  /* Brand Colors */
  --color-purple: #A855F7;
  --color-violet: #7C3AED;
  --color-blue:   #3B82F6;
  --color-cyan:   #22D3EE;

  /* Neutrals */
  --color-black:      #0B0B0C;
  --color-gray-900:   #111827;
  --color-gray-800:   #1F2937;
  --color-gray-700:   #374151;
  --color-gray-dark:  #4B5563;
  --color-gray-500:   #6B7280;
  --color-gray-400:   #9CA3AF;
  --color-gray-light: #E5E7EB;
  --color-gray-100:   #F3F4F6;
  --color-gray-50:    #F9FAFB;
  --color-white:      #FFFFFF;

  /* States */
  --color-success: #10B981;
  --color-error:   #EF4444;
  --color-warning: #F59E0B;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --text-xs:   12px;
  --text-sm:   14px;
  --text-base: 16px;
  --text-md:   18px;
  --text-lg:   20px;
  --text-xl:   24px;
  --text-2xl:  32px;
  --text-3xl:  40px;
  --text-4xl:  52px;
  --text-5xl:  64px;

  /* Spacing (8px grid) */
  --sp-1:  8px;
  --sp-2:  16px;
  --sp-3:  24px;
  --sp-4:  32px;
  --sp-5:  48px;
  --sp-6:  64px;
  --sp-7:  80px;
  --sp-8:  96px;
  --sp-9:  120px;

  /* Radius */
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs:     0 1px 3px rgba(0,0,0,0.05);
  --shadow-soft:   0 4px 20px rgba(0,0,0,0.05);
  --shadow-medium: 0 8px 30px rgba(0,0,0,0.08);
  --shadow-large:  0 20px 60px rgba(0,0,0,0.10);
  --shadow-glow:   0 0 40px rgba(124,58,237,0.15);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Nav height */
  --nav-height: 82px;
}

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-primary);
  color: var(--color-black);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ── Utility ──────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-3);
}
.container--wide { max-width: 1400px; }
.container--narrow { max-width: 800px; }

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

.section { padding: var(--sp-8) 0; }
.section--sm { padding: var(--sp-6) 0; }
.section--lg { padding: var(--sp-9) 0; }
.section--gray { background: var(--color-gray-50); }
.section--dark { background: var(--color-gray-900); color: var(--color-white); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-violet);
  background: rgba(124,58,237,0.08);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(124,58,237,0.15);
  margin-bottom: var(--sp-2);
}
.section-title {
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-3xl));
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-black);
  margin-bottom: var(--sp-2);
}
.section-sub {
  font-size: var(--text-md);
  color: var(--color-gray-dark);
  line-height: 1.7;
  max-width: 600px;
}
.section-header { text-align: center; margin-bottom: var(--sp-6); }
.section-header .section-sub { margin: 0 auto; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(124,58,237,0.3);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(124,58,237,0.4);
}
.btn--primary:active { transform: translateY(0); }

.btn--outline {
  background: transparent;
  color: var(--color-black);
  border: 1.5px solid var(--color-gray-light);
}
.btn--outline:hover {
  border-color: var(--color-violet);
  color: var(--color-violet);
  background: rgba(124,58,237,0.04);
}
.btn--ghost {
  background: transparent;
  color: var(--color-gray-dark);
  padding: 12px 20px;
}
.btn--ghost:hover { color: var(--color-violet); }

.btn--lg { padding: 16px 32px; font-size: var(--text-base); }
.btn--sm { padding: 8px 16px; font-size: var(--text-xs); }

.btn-group {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

/* Shimmer on primary btn */
.btn--primary::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.5s ease;
}
.btn--primary:hover::before { left: 100%; }

/* ── Navbar ───────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.navbar.scrolled {
  border-bottom-color: var(--color-gray-light);
  box-shadow: var(--shadow-soft);
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: calc(100% - 10px);
  margin-top: 10px;
  gap: var(--sp-4);
}
.navbar__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}
.navbar__logo img { height: 32px; width: auto; }

/* Desktop Nav */
.navbar__nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-item { position: relative; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.nav-link:hover { color: var(--color-black); background: var(--color-gray-50); }
.nav-link .chevron {
  width: 14px; height: 14px;
  transition: transform var(--transition-fast);
  opacity: 0.6;
}
.nav-item.open .nav-link .chevron { transform: rotate(180deg); }
.nav-link.active { color: var(--color-violet); }

/* Dropdowns */
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-large);
  padding: var(--sp-1);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base) ease, visibility var(--transition-base) ease, transform var(--transition-base) ease;
  pointer-events: none;
}
.dropdown::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: -10px;
  height: 10px;
}
.nav-item.open .dropdown,
.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
  transition: opacity var(--transition-base) ease, visibility var(--transition-base) ease, transform var(--transition-base) ease;
}
.dropdown-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.dropdown-link:hover {
  background: var(--color-gray-50);
  color: var(--color-violet);
}
.dropdown-link .dd-icon {
  width: 16px; height: 16px;
  opacity: 0.5;
  flex-shrink: 0;
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  flex-shrink: 0;
}

/* Mobile Nav Toggle */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.navbar__toggle:hover { background: var(--color-gray-50); }
.toggle-bar {
  width: 22px; height: 2px;
  background: var(--color-black);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}
.navbar__toggle.open .toggle-bar:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.navbar__toggle.open .toggle-bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.navbar__toggle.open .toggle-bar:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-light);
  box-shadow: var(--shadow-medium);
  z-index: 999;
  padding: var(--sp-3);
  max-height: calc(100vh - var(--nav-height));
  overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-gray-700);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.mobile-nav-link:hover { background: var(--color-gray-50); color: var(--color-violet); }
.mobile-dropdown { padding-left: var(--sp-3); }
.mobile-dropdown-link {
  display: block;
  padding: 10px 16px;
  font-size: var(--text-sm);
  color: var(--color-gray-dark);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.mobile-dropdown-link:hover { background: var(--color-gray-50); color: var(--color-violet); }
.mobile-divider { height: 1px; background: var(--color-gray-light); margin: var(--sp-2) 0; }
.mobile-actions { display: flex; flex-direction: column; gap: var(--sp-1); padding-top: var(--sp-2); }
.mobile-actions .btn { width: 100%; }

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  padding-top: calc(var(--nav-height) + var(--sp-7));
  padding-bottom: var(--sp-8);
  position: relative;
  overflow: hidden;
}
.hero--center { text-align: center; }
.hero--center .hero__sub,
.hero--center .btn-group { justify-content: center; }

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-violet);
  background: rgba(124,58,237,0.08);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(124,58,237,0.15);
  margin-bottom: var(--sp-3);
}
.hero__title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-black);
  margin-bottom: var(--sp-3);
}
.hero__sub {
  font-size: var(--text-lg);
  color: var(--color-gray-dark);
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: var(--sp-4);
}
.hero__points {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-bottom: var(--sp-4);
  font-size: var(--text-sm);
  color: var(--color-gray-dark);
}
.hero__point {
  display: flex;
  align-items: center;
  gap: 6px;
}
.hero__point::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gradient-primary);
  flex-shrink: 0;
}

/* Decorative background blobs */
.hero-bg {
  position: absolute;
  pointer-events: none;
  z-index: -1;
}
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
}
.hero-blob--1 {
  width: 600px; height: 600px;
  background: var(--color-purple);
  top: -200px; right: -100px;
}
.hero-blob--2 {
  width: 400px; height: 400px;
  background: var(--color-cyan);
  bottom: -100px; left: -100px;
}
.hero-blob--3 {
  width: 300px; height: 300px;
  background: var(--color-blue);
  top: 50%; right: 30%;
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
  box-shadow: var(--shadow-soft);
  transition: all var(--transition-base);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
  border-color: rgba(124,58,237,0.2);
}

.card__icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: var(--gradient-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-2);
}
.card__icon svg { width: 24px; height: 24px; }
.card__title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 8px;
}
.card__text {
  font-size: var(--text-sm);
  color: var(--color-gray-dark);
  line-height: 1.6;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--sp-3);
}

/* ── Stat / Metric Pills ─────────────────────────────────── */
.stats-row {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-number {
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: var(--text-sm);
  color: var(--color-gray-dark);
  margin-top: 4px;
}

/* ── Steps ────────────────────────────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--sp-4);
  position: relative;
}
.step {
  text-align: center;
  padding: var(--sp-3);
}
.step__num {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: white;
  font-weight: 700;
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-2);
  box-shadow: 0 4px 14px rgba(124,58,237,0.35);
}
.step__title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 8px;
}
.step__text {
  font-size: var(--text-sm);
  color: var(--color-gray-dark);
  line-height: 1.6;
}

/* ── Comparison Table ─────────────────────────────────────── */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-gray-light);
}
.comparison-table th,
.comparison-table td {
  padding: 14px 20px;
  text-align: center;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-gray-light);
}
.comparison-table th {
  font-weight: 700;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--color-gray-50);
  color: var(--color-gray-700);
}
.comparison-table th:first-child,
.comparison-table td:first-child {
  text-align: left;
  font-weight: 500;
}
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tr:hover td { background: var(--color-gray-50); }
.comparison-table .highlight-col {
  background: rgba(124,58,237,0.04);
}
.comparison-table thead th.highlight-col {
  background: rgba(124,58,237,0.1);
  color: var(--color-violet);
}
.check { color: var(--color-success); font-size: 16px; }
.cross { color: var(--color-error); font-size: 16px; }

/* ── Pricing ──────────────────────────────────────────────── */
.pricing-toggle {
  display: inline-flex;
  align-items: center;
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
  padding: 4px;
  gap: 4px;
  margin-bottom: var(--sp-6);
}
.pricing-toggle__btn {
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-dark);
  transition: all var(--transition-fast);
}
.pricing-toggle__btn.active {
  background: var(--color-white);
  color: var(--color-black);
  box-shadow: var(--shadow-xs);
  font-weight: 600;
}
.pricing-badge {
  background: var(--gradient-primary);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-left: 6px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--sp-3);
  align-items: start;
}
.pricing-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-xl);
  padding: var(--sp-4);
  box-shadow: var(--shadow-soft);
  position: relative;
  transition: all var(--transition-base);
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-medium); }
.pricing-card--featured {
  border-color: var(--color-violet);
  box-shadow: 0 0 0 2px rgba(124,58,237,0.15), var(--shadow-large);
  transform: scale(1.02);
}
.pricing-card--featured:hover { transform: scale(1.02) translateY(-4px); }
.pricing-card__badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.pricing-card__name {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-gray-500);
  margin-bottom: 12px;
}
.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 4px;
}
.price-currency { font-size: var(--text-lg); font-weight: 700; color: var(--color-gray-700); }
.price-amount {
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-black);
}
.price-period { font-size: var(--text-sm); color: var(--color-gray-500); }
.pricing-card__desc {
  font-size: var(--text-sm);
  color: var(--color-gray-dark);
  margin-bottom: var(--sp-4);
  line-height: 1.6;
}
.pricing-card__features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: var(--sp-4);
}
.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: var(--text-sm);
  color: var(--color-gray-700);
}
.pricing-feature .feat-check {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: rgba(16,185,129,0.1);
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  font-size: 10px;
}
.pricing-card__divider { height: 1px; background: var(--color-gray-light); margin: var(--sp-3) 0; }
.pricing-card .btn { width: 100%; }

/* ── Forms ────────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}
.form-grid--single { grid-template-columns: 1fr; }
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group--full { grid-column: 1 / -1; }
.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-700);
}
.form-label .required { color: var(--color-error); margin-left: 2px; }
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-gray-light);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-black);
  background: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  appearance: none;
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-gray-400); }
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-violet);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}
.form-input.error,
.form-select.error,
.form-textarea.error { border-color: var(--color-error); }
.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  display: none;
}
.form-error.show { display: block; }
.form-textarea { resize: vertical; min-height: 120px; }
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}
.form-microcopy {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  margin-top: var(--sp-2);
  text-align: center;
}

/* Success state */
.form-success {
  text-align: center;
  padding: var(--sp-5);
  display: none;
}
.form-success.show { display: block; }
.form-success__icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: rgba(16,185,129,0.1);
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-3);
  font-size: 28px;
}

/* ── FAQ / Accordion ──────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: var(--sp-1); }
.faq-item {
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-black);
  cursor: pointer;
  transition: background var(--transition-fast);
  gap: var(--sp-3);
}
.faq-question:hover { background: var(--color-gray-50); }
.faq-icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-base);
}
.faq-item.open .faq-icon {
  background: var(--gradient-primary);
  color: white;
  transform: rotate(45deg);
}
.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
  font-size: var(--text-sm);
  color: var(--color-gray-dark);
  line-height: 1.7;
}
.faq-item.open .faq-answer {
  max-height: 400px;
  padding: 0 20px 18px;
}

/* ── CTA Banner ───────────────────────────────────────────── */
.cta-banner {
  background: var(--color-gray-900);
  border-radius: var(--radius-xl);
  padding: var(--sp-7) var(--sp-6);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-subtle);
  opacity: 0.3;
}
.cta-banner__content { position: relative; }
.cta-banner__title {
  font-size: clamp(var(--text-xl), 3vw, var(--text-2xl));
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--sp-2);
}
.cta-banner__sub {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.65);
  max-width: 520px;
  margin: 0 auto var(--sp-4);
  line-height: 1.7;
}
.cta-banner .btn-group { justify-content: center; }

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background: var(--color-gray-900);
  color: var(--color-white);
  padding-top: var(--sp-7);
}
.footer__top {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--sp-6);
  margin-bottom: var(--sp-6);
}
.footer__brand { max-width: 280px; }
.footer__logo { margin-bottom: var(--sp-3); }
.footer__logo img { height: 32px; }
.footer__tagline {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-bottom: var(--sp-3);
}
.footer__social {
  display: flex;
  gap: var(--sp-1);
}
.social-link {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}
.social-link:hover { background: rgba(255,255,255,0.15); }
.social-link svg { width: 16px; height: 16px; }

.footer__links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
.footer__col-title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--sp-2);
}
.footer__link {
  display: block;
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
  padding: 4px 0;
  transition: color var(--transition-fast);
}
.footer__link:hover { color: var(--color-white); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: var(--sp-3) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
  gap: var(--sp-3);
  flex-wrap: wrap;
}

/* ── Page Hero (inner pages) ──────────────────────────────── */
.page-hero {
  padding-top: calc(var(--nav-height) + var(--sp-7));
  padding-bottom: var(--sp-7);
  text-align: center;
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-gray-light);
  position: relative;
  overflow: hidden;
}
.page-hero .hero-blob { opacity: 0.08; }

/* ── Prose / Content ──────────────────────────────────────── */
.prose h2 { font-size: var(--text-xl); font-weight: 700; margin-bottom: var(--sp-2); }
.prose h3 { font-size: var(--text-lg); font-weight: 600; margin-bottom: var(--sp-1); }
.prose p { font-size: var(--text-base); color: var(--color-gray-dark); line-height: 1.7; margin-bottom: var(--sp-3); }
.prose ul { padding-left: var(--sp-3); margin-bottom: var(--sp-3); }
.prose ul li {
  font-size: var(--text-base);
  color: var(--color-gray-dark);
  line-height: 1.7;
  margin-bottom: 8px;
  list-style: disc;
}

/* ── Tags / Badges ────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}
.badge--green { background: rgba(16,185,129,0.1); color: var(--color-success); }
.badge--purple { background: rgba(124,58,237,0.1); color: var(--color-violet); }
.badge--blue { background: rgba(59,130,246,0.1); color: var(--color-blue); }

/* ── Testimonial ──────────────────────────────────────────── */
.testimonial-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
  box-shadow: var(--shadow-soft);
}
.testimonial-stars { color: #F59E0B; font-size: 16px; margin-bottom: var(--sp-2); }
.testimonial-text {
  font-size: var(--text-base);
  color: var(--color-gray-700);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: var(--sp-3);
}
.testimonial-author { display: flex; align-items: center; gap: var(--sp-2); }
.author-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: var(--text-sm);
  flex-shrink: 0;
}
.author-name { font-size: var(--text-sm); font-weight: 700; color: var(--color-black); }
.author-role { font-size: var(--text-xs); color: var(--color-gray-500); }

/* ── Logo Strip ───────────────────────────────────────────── */
.logo-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-5);
  flex-wrap: wrap;
  padding: var(--sp-4) 0;
}
.logo-strip__label {
  width: 100%;
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  margin-bottom: var(--sp-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.logo-pill {
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
  padding: 8px 20px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-500);
}

/* ── ROI Calculator ───────────────────────────────────────── */
.roi-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-xl);
  padding: var(--sp-5);
  box-shadow: var(--shadow-medium);
}
.roi-result {
  background: var(--color-gray-900);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
  color: white;
  text-align: center;
}
.roi-result__number {
  font-size: var(--text-4xl);
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.roi-result__label { font-size: var(--text-sm); color: rgba(255,255,255,0.6); margin-top: 4px; }
.roi-bar-container { margin: var(--sp-4) 0; }
.roi-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-gray-600);
  margin-bottom: 6px;
}
.roi-bar-track {
  height: 12px;
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.roi-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  width: 0;
  transition: width 1s ease;
}

/* ── Architecture Diagram ─────────────────────────────────── */
.arch-layer {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-left: 4px solid transparent;
  border-radius: var(--radius-md);
  padding: var(--sp-4);
  margin-bottom: var(--sp-3);
  position: relative;
}
.arch-layer--1 { border-left-color: var(--color-purple); }
.arch-layer--2 { border-left-color: var(--color-violet); }
.arch-layer--3 { border-left-color: var(--color-blue); }
.arch-layer--4 { border-left-color: var(--color-cyan); }
.arch-layer--5 { border-left-color: var(--color-success); }
.arch-layer__num {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gray-500);
  margin-bottom: 8px;
}
.arch-layer__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 8px;
}
.arch-layer__text {
  font-size: var(--text-sm);
  color: var(--color-gray-dark);
  line-height: 1.7;
}
.arch-layer__tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: var(--sp-2);
}

/* ── Process Steps (numbered) ─────────────────────────────── */
.process-list { display: flex; flex-direction: column; gap: var(--sp-3); }
.process-item {
  display: flex;
  gap: var(--sp-3);
  align-items: flex-start;
}
.process-num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: white;
  font-size: var(--text-sm);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.process-content {}
.process-title { font-size: var(--text-base); font-weight: 700; color: var(--color-black); margin-bottom: 4px; }
.process-text { font-size: var(--text-sm); color: var(--color-gray-dark); line-height: 1.6; }

/* ── Two-column layout ────────────────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-6);
  align-items: center;
}
.two-col--reverse { }

/* ── Checklist ────────────────────────────────────────────── */
.checklist { display: flex; flex-direction: column; gap: 10px; }
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  line-height: 1.6;
}
.checklist-item .cl-icon {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(16,185,129,0.1);
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  font-size: 11px;
}

/* ── Scroll Animations ────────────────────────────────────── */
[data-animate] {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-animate="fade-up"] { transform: translateY(30px); }
[data-animate="fade-left"] { transform: translateX(30px); }
[data-animate="fade-right"] { transform: translateX(-30px); }
[data-animate="scale"] { transform: scale(0.95); }
[data-animate].animated { opacity: 1; transform: none; }

/* Stagger children */
[data-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
[data-stagger].animated > * { opacity: 1; transform: none; }
[data-stagger].animated > *:nth-child(1) { transition-delay: 0ms; }
[data-stagger].animated > *:nth-child(2) { transition-delay: 80ms; }
[data-stagger].animated > *:nth-child(3) { transition-delay: 160ms; }
[data-stagger].animated > *:nth-child(4) { transition-delay: 240ms; }
[data-stagger].animated > *:nth-child(5) { transition-delay: 320ms; }
[data-stagger].animated > *:nth-child(6) { transition-delay: 400ms; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .navbar__nav,
  .navbar__actions .btn--outline { display: none; }
  .navbar__toggle { display: flex; }
  .footer__top { grid-template-columns: 1fr; }
  .footer__links { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; gap: var(--sp-4); }
}
@media (max-width: 768px) {
  :root {
    --nav-height: 74px;
    --sp-7: 64px;
    --sp-8: 80px;
    --sp-9: 96px;
  }
  .section { padding: var(--sp-6) 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card--featured { transform: none; }
  .form-grid { grid-template-columns: 1fr; }
  .footer__links { grid-template-columns: 1fr 1fr; }
  .hero { padding-top: calc(var(--nav-height) + var(--sp-5)); padding-bottom: var(--sp-6); }
  .stats-row { justify-content: center; }
  .steps { grid-template-columns: 1fr; }
  .comparison-table { font-size: 12px; }
  .comparison-table th,
  .comparison-table td { padding: 10px 12px; }
  .cta-banner { padding: var(--sp-5) var(--sp-3); }
}
@media (max-width: 480px) {
  .footer__links { grid-template-columns: 1fr; }
  .btn--lg { padding: 14px 24px; }
  .hero__title { font-size: var(--text-2xl); }
  .btn-group { flex-direction: column; align-items: stretch; }
  .btn-group .btn { width: 100%; justify-content: center; }
}

/* ── Glassmorphism Card ───────────────────────────────────── */
.glass-card {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-medium);
}

/* ── Number Counter Animation ─────────────────────────────── */
@keyframes countUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.counter-animated { animation: countUp 0.5s ease forwards; }

/* ── Pulse Ring ───────────────────────────────────────────── */
@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 0.7; }
  100% { transform: scale(1.4); opacity: 0; }
}
.pulse-ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px solid rgba(124,58,237,0.4);
  animation: pulse-ring 2s ease infinite;
}

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-gray-50); }
::-webkit-scrollbar-thumb { background: var(--color-gray-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-gray-400); }

/* ── Reduced Motion Support (Accessibility) ──────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  [data-animate],
  [data-stagger],
  .hero-blob,
  .animated {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ── Dark Mode Support ────────────────────────────────────── */
:root {
  color-scheme: light;
}
html[data-theme="dark"] {
  color-scheme: dark;
  background: #0D0D0D;
  color: #FFFFFF;

  /* Color Variables for Dark Mode */
  --color-black: #FFFFFF;
  --color-white: #0D0D0D;
  --color-gray-900: #141414;
  --color-gray-800: #1E1E1E;
  --color-gray-700: #2A2A2A;
  --color-gray-600: #3A3A3A;
  --color-dark: #CCCCCC;
  --color-gray-dark: #D0D0D0;
  --color-gray-500: #A0A0A0;
  --color-gray-400: #B8B8B8;
  --color-gray-light: rgba(255,255,255,0.2);
  --color-gray-100: #333333;
  --color-gray-50: #222222;
  --gradient-subtle: linear-gradient(135deg, rgba(168,85,247,0.2), rgba(59,130,246,0.15));
}

html[data-theme="dark"] * {
  color: #FFFFFF;
}

html[data-theme="dark"] body,
html[data-theme="dark"] html {
  background: #0D0D0D;
  color: #FFFFFF;
}

html[data-theme="dark"] body {
  background: var(--color-white);
}

html[data-theme="dark"] .navbar,
html[data-theme="dark"] .hero,
html[data-theme="dark"] .page-hero {
  background: var(--color-gray-900);
  border-color: rgba(255,255,255,0.1);
}

html[data-theme="dark"] .section {
  background: var(--color-gray-900);
}

html[data-theme="dark"] .section--gray {
  background: var(--color-gray-800);
}

html[data-theme="dark"] .card,
html[data-theme="dark"] .pricing-card,
html[data-theme="dark"] .faq-item,
html[data-theme="dark"] .roi-card {
  background: var(--color-gray-800);
  border-color: rgba(255,255,255,0.15);
}

html[data-theme="dark"] .btn--outline {
  border-color: rgba(255,255,255,0.3);
  color: #FFFFFF;
}

html[data-theme="dark"] .btn--outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
}

html[data-theme="dark"] .btn--primary {
  background: var(--color-purple);
  color: #FFFFFF;
}

html[data-theme="dark"] .form-input,
html[data-theme="dark"] .form-select,
html[data-theme="dark"] .form-textarea {
  background: var(--color-gray-800);
  border: 1px solid rgba(255,255,255,0.2);
  color: #FFFFFF;
}

html[data-theme="dark"] .form-input::placeholder,
html[data-theme="dark"] .form-textarea::placeholder {
  color: rgba(255,255,255,0.4);
}

html[data-theme="dark"] .form-label {
  color: #FFFFFF;
}

html[data-theme="dark"] .hero-blob {
  opacity: 0.08;
}

html[data-theme="dark"] .dropdown {
  background: var(--color-gray-800);
  border-color: rgba(255,255,255,0.15);
}

html[data-theme="dark"] .dropdown-link {
  color: #FFFFFF;
}

html[data-theme="dark"] .dropdown-link:hover {
  background: var(--color-gray-700);
  color: var(--color-purple);
}

html[data-theme="dark"] .nav-link,
html[data-theme="dark"] .nav-link.active {
  color: #FFFFFF;
}

html[data-theme="dark"] .nav-link:hover {
  color: var(--color-purple);
}

html[data-theme="dark"] .mobile-menu {
  background: var(--color-gray-900);
  border-top: 1px solid rgba(255,255,255,0.1);
}

html[data-theme="dark"] .mobile-nav-link {
  color: #FFFFFF;
}

html[data-theme="dark"] .mobile-nav-link:hover {
  color: var(--color-purple);
  background: rgba(168,85,247,0.1);
}

html[data-theme="dark"] .mobile-dropdown-link {
  color: #FFFFFF;
}

html[data-theme="dark"] .mobile-dropdown-link:hover {
  background: var(--color-gray-800);
  color: var(--color-purple);
}

html[data-theme="dark"] .mobile-divider {
  background: rgba(255,255,255,0.1);
}

html[data-theme="dark"] .faq-question {
  color: #FFFFFF;
  background: var(--color-gray-800);
  border-color: rgba(255,255,255,0.15);
}

html[data-theme="dark"] .faq-question:hover {
  background: var(--color-gray-700);
  border-color: rgba(168,85,247,0.3);
}

html[data-theme="dark"] .faq-answer {
  color: #FFFFFF;
}

html[data-theme="dark"] .cta-banner {
  background: linear-gradient(135deg, rgba(168,85,247,0.15), rgba(59,130,246,0.1));
  border: 1px solid rgba(168,85,247,0.2);
}

html[data-theme="dark"] .cta-banner__title {
  color: #FFFFFF;
}

html[data-theme="dark"] .cta-banner__sub {
  color: rgba(255,255,255,0.75);
}

html[data-theme="dark"] .pricing-card {
  background: var(--color-gray-800);
}

html[data-theme="dark"] .pricing-card--featured {
  background: var(--color-gray-700);
  border: 2px solid rgba(168,85,247,0.4);
}

html[data-theme="dark"] .section-label,
html[data-theme="dark"] .section-title,
html[data-theme="dark"] .section-sub {
  color: #FFFFFF;
}

html[data-theme="dark"] .section-label {
  color: rgba(255,255,255,0.6);
}

html[data-theme="dark"] hr {
  border-color: rgba(255,255,255,0.1);
}

html[data-theme="dark"] .badge,
html[data-theme="dark"] .tag {
  background: rgba(168,85,247,0.15);
  color: #FFFFFF;
  border: 1px solid rgba(168,85,247,0.3);
}

html[data-theme="dark"] h1,
html[data-theme="dark"] h2,
html[data-theme="dark"] h3,
html[data-theme="dark"] h4,
html[data-theme="dark"] h5,
html[data-theme="dark"] h6,
html[data-theme="dark"] p,
html[data-theme="dark"] span,
html[data-theme="dark"] li,
html[data-theme="dark"] a {
  color: #FFFFFF;
}

html[data-theme="dark"] a:hover {
  color: var(--color-purple);
}

/* Dark mode toggle button */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-gray-light);
  background: var(--color-gray-50);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  font-size: 18px;
  padding: 0;
  color: var(--color-gray-700);
}
.theme-toggle:hover {
  background: var(--color-gray-100);
  border-color: var(--color-gray-400);
  transform: scale(1.05);
}

html[data-theme="dark"] .theme-toggle {
  border-color: rgba(255,255,255,0.2);
  background: var(--color-gray-800);
  color: var(--color-white);
}

html[data-theme="dark"] .theme-toggle:hover {
  background: var(--color-gray-700);
  border-color: rgba(255,255,255,0.4);
}

/* ── Enhanced Focus States (Keyboard Navigation) ──────────── */
*:focus-visible {
  outline: 2px solid var(--color-violet);
  outline-offset: 2px;
}
.nav-link:focus-visible,
.dropdown-link:focus-visible,
.mobile-nav-link:focus-visible {
  outline-offset: -2px;
}
.btn:focus-visible {
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(124,58,237,0.2);
}
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-violet);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}

/* ── Loading & Disabled States ────────────────────────────── */
.btn:disabled,
.btn.loading {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}
.btn.loading {
  cursor: default;
  pointer-events: visible;
}
.btn.loading::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-left: 8px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  background: var(--color-gray-100);
  color: var(--color-gray-400);
  cursor: not-allowed;
}
html[data-theme="dark"] .form-input:disabled,
html[data-theme="dark"] .form-select:disabled,
html[data-theme="dark"] .form-textarea:disabled {
  background: var(--color-gray-700);
  color: var(--color-gray-500);
}

/* ── Form Validation Feedback ─────────────────────────────── */
.form-input.success,
.form-select.success,
.form-textarea.success {
  border-color: var(--color-success);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2310b981' stroke-width='3'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}
.form-group.success .form-label::after {
  content: ' ✓';
  color: var(--color-success);
  font-weight: 700;
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-error);
  background-color: rgba(239,68,68,0.05);
}

.form-help {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  margin-top: 4px;
  display: block;
}
.form-help.error { color: var(--color-error); display: block; }
.form-help.success { color: var(--color-success); display: block; }

/* Character counter for textarea */
.form-counter {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  text-align: right;
  margin-top: 4px;
}

/* ── Mobile Touch Targets ─────────────────────────────────── */
@media (max-width: 768px) {
  .btn {
    min-height: 44px;
    min-width: 44px;
  }
  .nav-link,
  .dropdown-link,
  .mobile-nav-link,
  .mobile-dropdown-link {
    padding: 12px 12px;
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  .faq-question {
    min-height: 44px;
  }
  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px;
  }
  .pricing-card { transform: none; }
  .btn-group { gap: var(--sp-2); }
}
@media (max-width: 480px) {
  .btn--sm {
    padding: 10px 16px;
    min-height: 44px;
  }
}

/* ── Success Animations ───────────────────────────────────── */
@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: none; }
}
@keyframes checkmark {
  0% { transform: scale(0.5) rotate(-45deg); opacity: 0; }
  50% { transform: scale(1.1); }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}
@keyframes successPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.7); }
  50% { box-shadow: 0 0 0 10px rgba(16,185,129,0); }
}
.form-success {
  animation: slideIn 0.4s ease forwards;
}
.form-success__icon {
  animation: successPulse 2s ease infinite;
}

/* ── Breadcrumbs ──────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--sp-3);
  flex-wrap: wrap;
}
.breadcrumb-link {
  color: var(--color-violet);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.breadcrumb-link:hover {
  color: var(--color-purple);
  text-decoration: underline;
}
.breadcrumb-separator {
  color: var(--color-gray-400);
}
.breadcrumb-current {
  color: var(--color-gray-900);
  font-weight: 500;
}
html[data-theme="dark"] .breadcrumb-current {
  color: var(--color-white);
}

/* ── Error State Enhancements ─────────────────────────────── */
.error-banner {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: var(--radius-md);
  padding: var(--sp-3);
  margin-bottom: var(--sp-3);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  color: var(--color-error);
  font-size: var(--text-sm);
}
.error-banner-icon {
  flex-shrink: 0;
  margin-top: 2px;
  font-size: 16px;
}
.error-banner-content { flex: 1; }
.error-banner-close {
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}
.error-banner-close:hover { opacity: 1; }

/* ── Tooltip ──────────────────────────────────────────────── */
.tooltip-trigger {
  position: relative;
  cursor: help;
  border-bottom: 1px dotted rgba(124,58,237,0.5);
}
.tooltip {
  position: absolute;
  background: var(--color-gray-900);
  color: white;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-8px) scale(0.95);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 1000;
  bottom: 100%;
  left: 50%;
  margin-bottom: 8px;
  transform-origin: bottom center;
}
.tooltip-trigger:hover .tooltip {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -4px;
  border: 4px solid transparent;
  border-top-color: var(--color-gray-900);
}

/* ── Micro-interactions ───────────────────────────────────── */
.lift-on-hover {
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.lift-on-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-large);
}

/* Smooth page transitions */
.page-transition {
  animation: pageIn 0.3s ease forwards;
}
@keyframes pageIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Shimmer loading effect */
@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}
.skeleton {
  background: linear-gradient(90deg, var(--color-gray-200) 25%, var(--color-gray-100) 50%, var(--color-gray-200) 75%);
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
  border-radius: var(--radius-md);
}
html[data-theme="dark"] .skeleton {
  background: linear-gradient(90deg, var(--color-gray-700) 25%, var(--color-gray-600) 50%, var(--color-gray-700) 75%);
}

/* ── Responsive Typography Improvements ──────────────────── */
@media (max-width: 768px) {
  .section-label { font-size: var(--text-xs); }
  .section-title { font-size: clamp(var(--text-lg), 4vw, var(--text-2xl)); }
  .section-subtitle { font-size: var(--text-base); }
}

/* ── 404 Page Styles ──────────────────────────────────────── */
.not-found-container {
  text-align: center;
  padding: var(--sp-8) var(--sp-3);
}
.not-found-code {
  font-size: clamp(64px, 15vw, 120px);
  font-weight: 900;
  line-height: 1;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--sp-2);
}
.not-found-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: var(--sp-2);
}
html[data-theme="dark"] .not-found-title {
  color: var(--color-white);
}
.not-found-text {
  font-size: var(--text-base);
  color: var(--color-gray-dark);
  max-width: 500px;
  margin: 0 auto var(--sp-5);
  line-height: 1.7;
}
.not-found-action {
  display: inline-flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  justify-content: center;
}

/* ── Skip Link (Accessibility) ────────────────────────────── */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  right: 0;
  background: var(--color-violet);
  color: white;
  padding: 8px;
  text-align: center;
  font-size: var(--text-sm);
  font-weight: 600;
  z-index: 9999;
}
.skip-link:focus {
  top: 0;
}

/* ── Print ────────────────────────────────────────────────── */
@media print {
  .navbar, .footer, .cta-banner { display: none !important; }
  body { padding: 0; }
}