/* ==========================================================================
   KC Computer Services v2 - Complete Stylesheet
   Dark blue premium design for security & IT services
   ========================================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  --bg-primary: #0f1b2d;
  --bg-secondary: #1e3a5f;
  --bg-card: #162840;
  --bg-card-hover: #1b3350;
  --bg-dark: #0a1525;
  --bg-input: #0d1a2e;
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #4f9dff;
  --accent-hover: #3b82f6;
  --accent-glow: rgba(79, 157, 255, 0.3);
  --accent-subtle: rgba(79, 157, 255, 0.1);
  --gold: #f59e0b;
  --gold-hover: #d97706;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.12);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.25);
  --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.35);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --container: 1200px;
  --header-height: 80px;
  --section-padding: 100px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--accent-hover);
}

ul, ol {
  list-style: none;
}

button {
  font-family: var(--font);
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, textarea, select {
  font-family: var(--font);
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
}

/* ---------- Utility Classes ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title-left {
  text-align: left;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.required {
  color: var(--danger);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: var(--text-primary);
  box-shadow: 0 4px 16px rgba(79, 157, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79, 157, 255, 0.4);
  color: var(--text-primary);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  border-color: var(--accent);
  background: var(--accent-subtle);
  color: var(--text-primary);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-hover) 100%);
  color: #000;
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
  color: #000;
}

.btn-submit {
  width: 100%;
  padding: 16px 32px;
  font-size: 1.1rem;
}

.btn-submit.loading .btn-text {
  opacity: 0;
}

.btn-submit.loading .btn-spinner {
  display: block;
}

.btn-spinner {
  display: none;
  width: 22px;
  height: 22px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  position: absolute;
}

/* ---------- Loading Overlay ---------- */
.loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-content {
  text-align: center;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 24px;
}

.loading-logo {
  margin-bottom: 16px;
}

.loading-logo-bold {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

.loading-logo-light {
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--text-secondary);
  display: block;
}

.loading-text {
  color: var(--text-muted);
  font-size: 0.875rem;
  animation: pulse 1.5s ease-in-out infinite;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 9999;
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  transform: translateX(120%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}

.toast.visible {
  transform: translateX(0);
}

.toast.success {
  background: var(--success);
  color: #fff;
}

.toast.error {
  background: var(--danger);
  color: #fff;
}

.toast.info {
  background: var(--accent);
  color: #fff;
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: all var(--transition);
  background: transparent;
}

.header.scrolled {
  background: rgba(15, 27, 45, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
  text-decoration: none;
  z-index: 1001;
}

.logo-bold {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.logo-light {
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-secondary);
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--accent-subtle);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent);
  transition: all var(--transition);
}

.header-cta:hover {
  background: var(--accent);
  color: #fff;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  z-index: 1001;
}

.hamburger-line {
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
  border-radius: 2px;
}

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

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

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

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0f1b2d 0%, #1e3a5f 25%, #0f1b2d 50%, #162840 75%, #1e3a5f 100%);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
  z-index: 0;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(79, 157, 255, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(79, 157, 255, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(30, 58, 95, 0.3) 0%, transparent 60%);
}

.hero-carousel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container);
  padding: 0 24px;
  text-align: center;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.8s ease;
  pointer-events: none;
  padding: 0 24px;
}

.hero-slide.active {
  position: relative;
  opacity: 1;
  pointer-events: auto;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: var(--accent-subtle);
  border: 1px solid rgba(79, 157, 255, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  max-width: 900px;
  letter-spacing: -0.02em;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--accent) 0%, #60b5ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  gap: 10px;
}

.hero-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  padding: 0;
}

.hero-dot.active {
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  transform: scale(1.2);
}

/* ---------- Stats Bar ---------- */
.stats-bar {
  position: relative;
  padding: 40px 0;
  background: rgba(30, 58, 95, 0.3);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item {
  padding: 16px;
}

.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-suffix {
  font-size: 0.7em;
  font-weight: 600;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ---------- Services Section ---------- */
.services {
  background: var(--bg-primary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(79, 157, 255, 0.15);
  background: var(--bg-card-hover);
}

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

.service-card.featured {
  grid-column: span 2;
  border-color: rgba(79, 157, 255, 0.2);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(79, 157, 255, 0.05) 100%);
}

.service-card.featured::before {
  opacity: 1;
  background: linear-gradient(90deg, var(--accent), var(--gold));
}

.service-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 50px;
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
  display: block;
  line-height: 1;
}

.service-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.service-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.service-features {
  list-style: none;
  padding: 0;
}

.service-features li {
  padding: 6px 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.service-features li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ---------- Testimonials Section ---------- */
.testimonials {
  background: var(--bg-dark);
}

.testimonial-carousel-wrapper {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 60px;
}

.testimonial-track {
  overflow: hidden;
  position: relative;
}

.testimonial-slide {
  display: none;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  animation: fadeIn 0.5s ease;
}

.testimonial-slide.active {
  display: block;
}

.testimonial-quote-mark {
  position: absolute;
  top: 20px;
  left: 30px;
  font-size: 4rem;
  color: var(--accent);
  opacity: 0.15;
  font-family: Georgia, serif;
  line-height: 1;
  user-select: none;
}

.testimonial-stars {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 20px;
}

.star {
  width: 20px;
  height: 20px;
}

.star.filled {
  color: var(--gold);
}

.star.empty {
  color: var(--text-muted);
}

.testimonial-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 24px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.testimonial-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

.testimonial-company {
  font-size: 0.85rem;
  color: var(--accent);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  z-index: 2;
}

.carousel-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.carousel-btn-prev {
  left: 0;
}

.carousel-btn-next {
  right: 0;
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.testimonial-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  padding: 0;
}

.testimonial-dot.active {
  background: var(--accent);
  transform: scale(1.2);
}

/* ---------- Portfolio Section ---------- */
.portfolio {
  background: var(--bg-primary);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all var(--transition);
  cursor: pointer;
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent);
}

.filter-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.portfolio-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.portfolio-card.hidden {
  display: none;
}

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

.portfolio-image {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.portfolio-image-placeholder {
  font-size: 3rem;
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 27, 45, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay-text {
  color: var(--accent);
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.portfolio-info {
  padding: 20px;
}

.portfolio-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.portfolio-category {
  font-size: 0.85rem;
  color: var(--accent);
  text-transform: capitalize;
}

/* ---------- Pricing Section ---------- */
.pricing {
  background: var(--bg-dark);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
}

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

.pricing-card.featured {
  transform: scale(1.05);
  border-color: var(--gold);
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.05) 0%, var(--bg-card) 100%);
  box-shadow: 0 0 40px rgba(245, 158, 11, 0.1);
  z-index: 1;
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-3px);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 24px;
  background: linear-gradient(135deg, var(--gold), var(--gold-hover));
  color: #000;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 50px;
  white-space: nowrap;
}

.pricing-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.pricing-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.pricing-price {
  margin-bottom: 32px;
}

.pricing-amount {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.pricing-currency {
  font-size: 1.5rem;
  font-weight: 600;
  vertical-align: super;
  color: var(--text-secondary);
}

.pricing-period {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin-bottom: 32px;
  text-align: left;
}

.pricing-features li {
  padding: 10px 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pricing-check svg {
  width: 12px;
  height: 12px;
}

/* ---------- Team Section ---------- */
.team {
  background: var(--bg-primary);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 32px;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition);
}

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

.team-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--accent), var(--bg-secondary));
  padding: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.team-photo-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.team-photo-placeholder {
  font-size: 2.5rem;
  color: var(--text-muted);
}

.team-photo-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-name {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.team-title {
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: 12px;
}

.team-bio {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.team-certs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.cert-pill {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-subtle);
  border: 1px solid rgba(79, 157, 255, 0.15);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
}

/* ---------- Certifications Section ---------- */
.certifications {
  background: rgba(30, 58, 95, 0.15);
  padding: 48px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.certifications-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
}

.cert-item:hover {
  color: var(--text-primary);
}

.cert-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* ---------- About Section ---------- */
.about {
  background: var(--bg-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text {
  margin-bottom: 32px;
}

.about-text p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.why-choose-us h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.why-choose-list {
  list-style: none;
  padding: 0;
}

.why-choose-list li {
  padding: 12px 0;
  color: var(--text-secondary);
  font-size: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.why-choose-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(79, 157, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.why-choose-icon svg {
  width: 14px;
  height: 14px;
  color: var(--accent);
}

.about-visual {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-shape {
  position: absolute;
  border-radius: 50%;
}

.about-shape-1 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(79, 157, 255, 0.1) 0%, transparent 70%);
  top: 10%;
  left: 10%;
  animation: pulse 4s ease-in-out infinite;
}

.about-shape-2 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(30, 58, 95, 0.4) 0%, transparent 70%);
  bottom: 10%;
  right: 10%;
  animation: pulse 4s ease-in-out infinite 1s;
}

.about-shape-3 {
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.06) 0%, transparent 70%);
  top: 40%;
  right: 30%;
  animation: pulse 4s ease-in-out infinite 2s;
}

.about-badge {
  position: relative;
  z-index: 1;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--accent);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 40px var(--accent-glow);
}

.about-badge-number {
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}

.about-badge-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
  margin-top: 4px;
  line-height: 1.3;
}

/* ---------- Contact Section ---------- */
.contact {
  background: var(--bg-dark);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition);
  outline: none;
}

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

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

.form-input.error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  font-size: 0.8rem;
  color: var(--danger);
  min-height: 1em;
}

.contact-info-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-info-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.contact-info-card:hover {
  border-color: rgba(79, 157, 255, 0.2);
  background: var(--bg-card-hover);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-info-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 2px;
}

.contact-info-value {
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
}

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

.contact-info-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.contact-map {
  margin-top: 8px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  height: 180px;
  background: var(--bg-card);
}

.map-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.map-link {
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
}

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

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-dark);
  padding: 64px 0 0;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.footer-logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
  text-decoration: none;
  margin-bottom: 16px;
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
  text-decoration: none;
}

.social-link:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.footer-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-contact-list li svg {
  flex-shrink: 0;
  color: var(--accent);
}

.footer-contact-list a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-contact-list a:hover {
  color: var(--accent);
}

.footer-bottom {
  padding: 24px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

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

.footer-serving {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
}

.footer-legal a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-legal a:hover {
  color: var(--accent);
}

.footer-divider {
  color: var(--border);
}

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 5000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.modal.open {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 640px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  z-index: 1;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition);
}

.modal.open .modal-content {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.4);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: all var(--transition);
}

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

.modal-image {
  width: 100%;
  height: 240px;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.modal-body {
  padding: 28px;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.modal-category {
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: 16px;
  text-transform: capitalize;
}

.modal-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.modal-details {
  margin-bottom: 20px;
}

.modal-detail-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.modal-detail-label {
  color: var(--text-muted);
}

.modal-detail-value {
  color: var(--text-primary);
  font-weight: 500;
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.modal-tag {
  padding: 4px 14px;
  background: var(--accent-subtle);
  border: 1px solid rgba(79, 157, 255, 0.15);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 900;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px var(--accent-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

/* ---------- Scroll Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Keyframe Animations ---------- */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  25% { background-position: 100% 0%; }
  50% { background-position: 100% 100%; }
  75% { background-position: 0% 100%; }
  100% { background-position: 0% 50%; }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.05);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* ---------- Accessibility ---------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

*:focus:not(:focus-visible) {
  outline: none;
}

@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;
  }

  .hero-bg {
    animation: none;
    background-position: 0% 50%;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--bg-secondary);
  border-radius: 4px;
}

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

/* ---------- Selection ---------- */
::selection {
  background: rgba(79, 157, 255, 0.3);
  color: var(--text-primary);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

/* ---------- Large (1200px) ---------- */
@media (max-width: 1200px) {
  :root {
    --container: 960px;
    --section-padding: 80px;
  }

  .pricing-grid {
    gap: 20px;
  }

  .pricing-card.featured {
    transform: scale(1.03);
  }

  .pricing-card.featured:hover {
    transform: scale(1.03) translateY(-3px);
  }

  .about-grid {
    gap: 48px;
  }

  .footer-grid {
    gap: 32px;
  }
}

/* ---------- Medium-large (992px) ---------- */
@media (max-width: 992px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .pricing-card.featured {
    transform: none;
    order: -1;
  }

  .pricing-card.featured:hover {
    transform: translateY(-3px);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-visual {
    height: 300px;
    order: -1;
  }

  .about-content .section-title {
    text-align: center;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .footer-brand {
    grid-column: span 2;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .service-card.featured {
    grid-column: span 1;
  }
}

/* ---------- Medium (768px) ---------- */
@media (max-width: 768px) {
  :root {
    --header-height: 70px;
    --section-padding: 64px;
  }

  /* Mobile Navigation */
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-card);
    border-left: 1px solid var(--border);
    padding: calc(var(--header-height) + 20px) 24px 24px;
    transition: right var(--transition);
    flex-direction: column;
    z-index: 1000;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    gap: 4px;
    width: 100%;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
  }

  .header-cta span {
    display: none;
  }

  .header-cta {
    padding: 8px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    justify-content: center;
  }

  /* Hero */
  .hero {
    min-height: 550px;
  }

  .hero-ctas {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-ctas .btn {
    width: 100%;
  }

  /* Sections */
  .section-header {
    margin-bottom: 40px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .testimonial-carousel-wrapper {
    padding: 0 16px;
  }

  .carousel-btn {
    display: none;
  }

  .testimonial-slide {
    padding: 28px 20px;
  }

  .team-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: span 1;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .certifications-strip {
    gap: 24px;
  }

  .modal-content {
    width: 95%;
    max-height: 90vh;
  }

  .modal-image {
    height: 180px;
  }

  .toast {
    left: 16px;
    right: 16px;
    bottom: 16px;
    max-width: none;
  }
}

/* ---------- Small (480px) ---------- */
@media (max-width: 480px) {
  :root {
    --section-padding: 48px;
  }

  body {
    font-size: 15px;
  }

  .container {
    padding: 0 16px;
  }

  .hero {
    min-height: 500px;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 6px 14px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .stat-number {
    font-size: 1.75rem;
  }

  .stat-label {
    font-size: 0.8rem;
  }

  .service-card {
    padding: 24px 20px;
  }

  .portfolio-filters {
    gap: 6px;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 0.8rem;
  }

  .pricing-card {
    padding: 28px 20px;
  }

  .pricing-amount {
    font-size: 2.5rem;
  }

  .about-badge {
    width: 140px;
    height: 140px;
  }

  .about-badge-number {
    font-size: 2.5rem;
  }

  .contact-info-card {
    padding: 16px;
  }

  .modal-body {
    padding: 20px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }

  .footer-legal {
    flex-direction: column;
    gap: 8px;
  }

  .footer-divider {
    display: none;
  }
}