@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');
@import url('https://cdn.jsdelivr.net/npm/remixicon@2.5.0/fonts/remixicon.css');

/* ============================================================
   CROAVIONEX - Technology Website CSS
   ============================================================ */

/* CSS Variables - Unique Color Scheme */
:root {
  --primary: #0d1f3c;
  --primary-light: #1a3a6e;
  --primary-dark: #060f1f;
  --accent: #00d4ff;
  --accent-secondary: #7b2fff;
  --accent-tertiary: #ff6b35;
  --neon-glow: #00f5d4;
  --surface: #0e1a2e;
  --surface-elevated: #162236;
  --surface-card: #1c2d45;
  --text-primary: #e8f4f8;
  --text-secondary: #8ba8c4;
  --text-muted: #4a6580;
  --border-subtle: rgba(0, 212, 255, 0.15);
  --border-accent: rgba(0, 212, 255, 0.4);
  --gradient-primary: linear-gradient(135deg, #0d1f3c 0%, #1a3a6e 50%, #0d1f3c 100%);
  --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #7b2fff 100%);
  --gradient-hero: linear-gradient(160deg, #060f1f 0%, #0d1f3c 40%, #1a1040 100%);
  --gradient-card: linear-gradient(145deg, #1c2d45 0%, #162236 100%);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.6);
  --shadow-accent: 0 0 20px rgba(0, 212, 255, 0.3);
  --shadow-neon: 0 0 30px rgba(0, 245, 212, 0.4);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Courier New', Courier, monospace;
}

/* ============================================================
   GLOBAL RESET & BASE STYLES
   ============================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background-color: var(--primary-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ============================================================
   CUSTOM SCROLLBAR
   ============================================================ */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--primary-dark);
  border-left: 1px solid var(--border-subtle);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-secondary) 100%);
  border-radius: 4px;
  border: 2px solid var(--primary-dark);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--neon-glow) 0%, var(--accent) 100%);
  box-shadow: var(--shadow-accent);
}

::-webkit-scrollbar-corner {
  background: var(--primary-dark);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 3vw, 2rem); }
h4 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }

p {
  color: var(--text-secondary);
  line-height: 1.8;
}

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

a:hover {
  color: var(--neon-glow);
}

/* ============================================================
   STICKY HEADER
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(6, 15, 31, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 1.5rem;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.site-header::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-accent);
  opacity: 0.4;
}

.site-header.scrolled {
  background: rgba(6, 15, 31, 0.97);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
  height: 64px;
}

.header-inner {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: white;
  box-shadow: var(--shadow-accent);
  position: relative;
  overflow: hidden;
}

.logo-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 60%);
}

.logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
}

/* Desktop Navigation */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  position: relative;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 1px;
  transition: width var(--transition-normal);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(0, 212, 255, 0.08);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: calc(100% - 1.8rem);
}

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

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  padding: 0;
}

.hamburger:hover {
  background: rgba(0, 212, 255, 0.15);
  border-color: var(--border-accent);
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: all var(--transition-normal);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   MOBILE MENU
   ============================================================ */

.mobile-menu {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(6, 15, 31, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.5rem;
  max-height: calc(100vh - 72px);
  overflow-y: auto;
  transform: translateY(-10px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.mobile-menu.visible {
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  text-decoration: none;
  border: 1px solid transparent;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--accent);
  background: rgba(0, 212, 255, 0.08);
  border-color: var(--border-subtle);
}

.mobile-nav-link i {
  font-size: 1.2rem;
  width: 24px;
  text-align: center;
}

.mobile-nav-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 1rem 0;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.01em;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.1);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

/* Primary Button */
.btn-primary {
  background: var(--gradient-accent);
  color: white;
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 212, 255, 0.5);
  color: white;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px rgba(0, 212, 255, 0.3);
}

/* Secondary Button */
.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--border-accent);
}

.btn-secondary:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

/* Ghost Button */
.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: var(--border-accent);
}

/* Danger Button */
.btn-danger {
  background: linear-gradient(135deg, #ff4757 0%, #c0392b 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(255, 71, 87, 0.3);
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 71, 87, 0.5);
  color: white;
}

/* Neon Button */
.btn-neon {
  background: transparent;
  color: var(--neon-glow);
  border: 1.5px solid var(--neon-glow);
  box-shadow: 0 0 10px rgba(0, 245, 212, 0.2), inset 0 0 10px rgba(0, 245, 212, 0.05);
}

.btn-neon:hover {
  background: rgba(0, 245, 212, 0.1);
  box-shadow: 0 0 20px rgba(0, 245, 212, 0.4), inset 0 0 20px rgba(0, 245, 212, 0.1);
  color: var(--neon-glow);
  transform: translateY(-2px);
}

/* Button Sizes */
.btn-sm {
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.9rem 2rem;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-xl {
  padding: 1.1rem 2.5rem;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
}

/* Button with icon animation */
.btn-icon-right i {
  transition: transform var(--transition-normal);
}

.btn-icon-right:hover i {
  transform: translateX(4px);
}

/* ============================================================
   COOKIE BANNER
   ============================================================ */

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: rgba(10, 18, 35, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-subtle);
  padding: 1.25rem 2rem;
  transform: translateY(0);
  transition: transform var(--transition-slow);
}

.cookie-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0.6;
}

.cookie-banner.hidden {
  transform: translateY(110%);
}

.cookie-banner-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cookie-banner-content {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  flex: 1;
  min-width: 280px;
}

.cookie-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
  animation: wobble 3s ease-in-out infinite;
}

.cookie-banner-text h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.cookie-banner-text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.cookie-banner-text a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-banner-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

@keyframes wobble {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-10deg); }
  75% { transform: rotate(10deg); }
}

/* ============================================================
   FORMS
   ============================================================ */

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

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(22, 34, 54, 0.8);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-primary);
  transition: all var(--transition-normal);
  outline: none;
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-control:focus {
  border-color: var(--accent);
  background: rgba(28, 45, 69, 0.9);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15), var(--shadow-sm);
}

.form-control:hover:not(:focus) {
  border-color: rgba(0, 212, 255, 0.3);
}

/* Input with icon */
.input-group {
  position: relative;
}

.input-group .form-control {
  padding-left: 2.75rem;
}

.input-group-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
  pointer-events: none;
  transition: color var(--transition-normal);
}

.input-group .form-control:focus ~ .input-group-icon,
.input-group:focus-within .input-group-icon {
  color: var(--accent);
}

/* Textarea */
textarea.form-control {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

/* Select */
select.form-control {
  appearance: none;
  -webkit-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='%238ba8c4' 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;
  cursor: pointer;
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  margin-bottom: 0.75rem;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  min-width: 20px;
  background: rgba(22, 34, 54, 0.8);
  border: 1.5px solid var(--border-subtle);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  margin-top: 2px;
}

.form-check input[type="radio"] {
  border-radius: 50%;
}

.form-check input[type="checkbox"]:checked {
  background: var(--gradient-accent);
  border-color: var(--accent);
}

.form-check input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 7px;
  height: 11px;
  border: 2px solid white;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.form-check input[type="radio"]:checked {
  border-color: var(--accent);
  background: transparent;
  box-shadow: inset 0 0 0 4px var(--accent);
}

.form-check label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1.5;
}

/* Form validation states */
.form-control.is-valid {
  border-color: #00d4a0;
  box-shadow: 0 0 0 3px rgba(0, 212, 160, 0.15);
}

.form-control.is-invalid {
  border-color: #ff4757;
  box-shadow: 0 0 0 3px rgba(255, 71, 87, 0.15);
}

.form-error {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: #ff6b7a;
  margin-top: 0.4rem;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

/* Form Card */
.form-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.form-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
}

/* ============================================================
   CARDS
   ============================================================ */

.card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.03) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

.card:hover::before {
  opacity: 1;
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 1rem;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.card-icon-primary {
  background: rgba(0, 212, 255, 0.15);
  color: var(--accent);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.card-icon-secondary {
  background: rgba(123, 47, 255, 0.15);
  color: var(--accent-secondary);
  border: 1px solid rgba(123, 47, 255, 0.2);
}

.card-icon-tertiary {
  background: rgba(255, 107, 53, 0.15);
  color: var(--accent-tertiary);
  border: 1px solid rgba(255, 107, 53, 0.2);
}

.card-icon-neon {
  background: rgba(0, 245, 212, 0.15);
  color: var(--neon-glow);
  border: 1px solid rgba(0, 245, 212, 0.2);
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.card-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Feature Card */
.feature-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: all var(--transition-normal);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.feature-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), var(--shadow-accent);
}

.feature-card:hover::after {
  transform: scaleX(1);
}

/* Pricing Card */
.pricing-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.2);
  background: linear-gradient(145deg, #1e3354 0%, #1c2d45 100%);
}

.pricing-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
}

.pricing-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.8rem;
  background: var(--gradient-accent);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  margin: 1.5rem 0;
}

.pricing-currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.pricing-amount {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.pricing-period {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  margin: 1.5rem 0;
  space-y: 0.75rem;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.pricing-features li i {
  color: var(--accent);
  font-size: 1rem;
  flex-shrink: 0;
}

.pricing-features li.disabled {
  opacity: 0.4;
  text-decoration: line-through;
}

/* ============================================================
   ACCORDION / COLLAPSE
   ============================================================ */

.accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.accordion-item {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-normal);
}

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

.accordion-item.open {
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.08);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  gap: 1rem;
  user-select: none;
  transition: background var(--transition-normal);
}

.accordion-header:hover {
  background: rgba(0, 212, 255, 0.04);
}

.accordion-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

.accordion-icon {
  font-size: 1.1rem;
  color: var(--accent);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.accordion-item.open .accordion-icon {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding var(--transition-normal);
}

.accordion-item.open .accordion-body {
  max-height: 500px;
}

.accordion-content {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero-section {
  position: relative;
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding: 6rem 2rem;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.4;
}

.hero-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
  top: -150px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(123, 47, 255, 0.25) 0%, transparent 70%);
  bottom: -100px;
  left: -80px;
  animation: float 10s ease-in-out infinite reverse;
}

.hero-orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 245, 212, 0.15) 0%, transparent 70%);
  top: 50%;
  left: 40%;
  animation: float 6s ease-in-out infinite 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  animation: pulse-glow 3s ease-in-out infinite;
}

.hero-badge i {
  font-size: 0.9rem;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 10px rgba(0, 212, 255, 0.2); }
  50% { box-shadow: 0 0 20px rgba(0, 212, 255, 0.4); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 1.5rem;
  letter-spacing: -0.04em;
}

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

.hero-description {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.hero-stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-subtle);
}

/* ============================================================
   SECTION STYLES
   ============================================================ */

.section {
  padding: 6rem 2rem;
  position: relative;
}

.section-sm {
  padding: 4rem 2rem;
}

.section-lg {
  padding: 8rem 2rem;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}

.section-label::before,
.section-label::after {
  content: '';
  display: block;
  width: 30px;
  height: 1px;
  background: var(--accent);
  opacity: 0.5;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Alternating sections */
.section-dark {
  background: var(--primary-dark);
}

.section-surface {
  background: var(--surface);
}

.section-elevated {
  background: var(--surface-elevated);
}

/* Section divider */
.section-divider {
  height: 1px;
  background: var(--gradient-accent);
  opacity: 0.2;
  margin: 0 2rem;
  max-width: 1280px;
  margin: 0 auto;
}

/* ============================================================
   GRID LAYOUTS
   ============================================================ */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.grid-asymmetric {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 2rem;
  align-items: center;
}

/* ============================================================
   LOADING SPINNER & ANIMATIONS
   ============================================================ */

.spinner {
  width: 40px;
  height: 40px;
  position: relative;
  display: inline-block;
}

.spinner-ring {
  width: 100%;
  height: 100%;
  border: 3px solid var(--border-subtle);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Pulse loader */
.spinner-pulse {
  display: flex;
  gap: 6px;
  align-items: center;
}

.spinner-pulse span {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 1.2s ease-in-out infinite;
}

.spinner-pulse span:nth-child(2) { animation-delay: 0.2s; }
.spinner-pulse span:nth-child(3) { animation-delay: 0.4s; }

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0.5); opacity: 0.4; }
}

/* Skeleton loader */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--surface-card) 25%,
    var(--surface-elevated) 50%,
    var(--surface-card) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Fade in animation */
.fade-in {
  animation: fadeIn 0.6s ease both;
}

.fade-in-up {
  animation: fadeInUp 0.6s ease both;
}

.fade-in-down {
  animation: fadeInDown 0.5s ease both;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Stagger children */
.stagger > * { animation: fadeInUp 0.6s ease both; }
.stagger > *:nth-child(1) { animation-delay: 0.1s; }
.stagger > *:nth-child(2) { animation-delay: 0.2s; }
.stagger > *:nth-child(3) { animation-delay: 0.3s; }
.stagger > *:nth-child(4) { animation-delay: 0.4s; }
.stagger > *:nth-child(5) { animation-delay: 0.5s; }
.stagger > *:nth-child(6) { animation-delay: 0.6s; }

/* Typewriter effect */
.typewriter {
  overflow: hidden;
  border-right: 3px solid var(--accent);
  white-space: nowrap;
  animation: 
    typing 3s steps(30, end),
    blink 0.75s step-end infinite;
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink {
  from, to { border-color: transparent; }
  50% { border-color: var(--accent); }
}

/* ============================================================
   TAGS & BADGES
   ============================================================ */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.65rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.tag-primary {
  background: rgba(0, 212, 255, 0.12);
  color: var(--accent);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.tag-secondary {
  background: rgba(123, 47, 255, 0.12);
  color: var(--accent-secondary);
  border: 1px solid rgba(123, 47, 255, 0.2);
}

.tag-success {
  background: rgba(0, 212, 160, 0.12);
  color: #00d4a0;
  border: 1px solid rgba(0, 212, 160, 0.2);
}

.tag-warning {
  background: rgba(255, 193, 7, 0.12);
  color: #ffc107;
  border: 1px solid rgba(255, 193, 7, 0.2);
}

.tag-danger {
  background: rgba(255, 71, 87, 0.12);
  color: #ff4757;
  border: 1px solid rgba(255, 71, 87, 0.2);
}

/* ============================================================
   PROGRESS BAR
   ============================================================ */

.progress {
  height: 8px;
  background: var(--surface-card);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: 4px;
  position: relative;
  transition: width 1s ease;
}

.progress-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.2) 50%, transparent 100%);
  animation: progress-shine 2s linear infinite;
}

@keyframes progress-shine {
  from { transform: translateX(-100%); }
  to { transform: translateX(200%); }
}

/* ============================================================
   DIVIDERS & DECORATIVES
   ============================================================ */

.divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 2rem 0;
}

.divider-gradient {
  height: 1px;
  background: var(--gradient-accent);
  opacity: 0.3;
  margin: 2rem 0;
}

.dot-decoration {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

.dot-decoration.pulse {
  box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.4);
  animation: dot-pulse 2s infinite;
}

@keyframes dot-pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(0, 212, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0); }
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */

.testimonial-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: all var(--transition-normal);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 5rem;
  font-family: Georgia, serif;
  color: var(--accent);
  opacity: 0.15;
  line-height: 1;
}

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

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
  border: 2px solid rgba(0, 212, 255, 0.3);
}

.testimonial-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.stars {
  display: flex;
  gap: 2px;
  margin-bottom: 1rem;
}

.stars i {
  color: #ffc107;
  font-size: 0.9rem;
}

/* ============================================================
   CTA SECTION
   ============================================================ */

.cta-section {
  position: relative;
  padding: 6rem 2rem;
  overflow: hidden;
  background: var(--gradient-hero);
}

.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.cta-section .hero-orb {
  opacity: 0.3;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background: var(--primary-dark);
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 2rem 2rem;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 1rem;
  max-width: 280px;
}

.footer-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.social-links {
  display: flex;
  gap: 0.5rem;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.social-link:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--border-accent);
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}

/* ============================================================
   NOTIFICATION / TOAST
   ============================================================ */

.toast-container {
  position: fixed;
  top: 90px;
  right: 1.5rem;
  z-index: 9998;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 360px;
}

.toast {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.3s ease;
  position: relative;
  overflow: hidden;
}

.toast::