/* ============================================
   CE Inc — Global Styles
   White & Blue Theme
   ============================================ */

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

:root {
  --blue-900: #0a1628;
  --blue-800: #0f2240;
  --blue-700: #143262;
  --blue-600: #1a4b8c;
  --blue-500: #2563eb;
  --blue-400: #3b82f6;
  --blue-300: #60a5fa;
  --blue-200: #93c5fd;
  --blue-100: #dbeafe;
  --blue-50: #eff6ff;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
  color: var(--gray-600);
  line-height: 1.75;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section--blue {
  background: var(--blue-900);
  color: var(--white);
}

.section--blue h2,
.section--blue h3,
.section--blue h4 {
  color: var(--white);
}

.section--blue p {
  color: var(--blue-200);
}

.section--light {
  background: var(--gray-50);
}

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}

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

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--blue-900);
}

.header__logo img {
  height: 48px;
  width: auto;
}

.header__logo span {
  color: var(--blue-500);
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: var(--transition);
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--blue-600);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue-500);
  transition: var(--transition);
}

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

.nav__cta {
  padding: 0.5rem 1.25rem;
  background: var(--blue-500);
  color: var(--white) !important;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: var(--transition);
}

.nav__cta:hover {
  background: var(--blue-600);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.nav__cta::after {
  display: none;
}

/* Mobile menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--gray-800);
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }

  .nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 50%, var(--blue-700) 100%);
  overflow: hidden;
  padding-top: 72px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.08) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero__glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
}

.hero__glow--1 {
  top: -200px;
  right: -100px;
  background: var(--blue-400);
}

.hero__glow--2 {
  bottom: -200px;
  left: -100px;
  background: var(--blue-300);
}

.hero__watermark {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 55%;
  max-width: 650px;
  opacity: 0.04;
  z-index: 0;
  pointer-events: none;
}

.hero__watermark img {
  width: 100%;
  height: auto;
  filter: brightness(0) invert(1);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(37, 99, 235, 0.25);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--blue-300);
  margin-bottom: 1.5rem;
}

.hero__badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--blue-400);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--blue-300), var(--blue-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--blue-200);
  margin-bottom: 2.5rem;
  max-width: 560px;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
}

.btn--primary {
  background: var(--blue-500);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--blue-600);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.25);
}

.btn--outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.4);
}

.btn--dark {
  background: var(--blue-900);
  color: var(--white);
}

.btn--dark:hover {
  background: var(--blue-800);
  transform: translateY(-2px);
}

/* --- Service Cards --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  border-color: var(--blue-300);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-card__number {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--blue-500);
  font-family: var(--font-mono);
  margin-bottom: 1rem;
}

.service-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-50);
  border-radius: 10px;
  margin-bottom: 1.25rem;
  color: var(--blue-500);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
}

.service-card h3 {
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.9375rem;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.tag {
  padding: 0.25rem 0.75rem;
  background: var(--blue-50);
  color: var(--blue-600);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
}

/* --- Section Header --- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-header p {
  margin-top: 1rem;
  font-size: 1.0625rem;
}

.section-header .label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--blue-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

/* --- Specialization / Feature Block --- */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.feature-block__content h2 {
  margin-bottom: 1rem;
}

.feature-block__content p {
  margin-bottom: 1.5rem;
}

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

.feature-list__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--gray-700);
}

.feature-list__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--blue-500);
  margin-top: 2px;
}

.feature-block__visual {
  background: linear-gradient(135deg, var(--blue-50), var(--blue-100));
  border-radius: 16px;
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
  position: relative;
  overflow: hidden;
}

.feature-block__visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.05) 1px, transparent 1px);
  background-size: 30px 30px;
}

@media (max-width: 768px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* --- CTA Section --- */
.cta {
  text-align: center;
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--blue-900), var(--blue-800));
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
}

.cta__content {
  position: relative;
  z-index: 1;
}

.cta h2 {
  color: var(--white);
  margin-bottom: 1rem;
}

.cta p {
  color: var(--blue-200);
  font-size: 1.125rem;
  margin-bottom: 2rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- About Page --- */
.about-hero {
  padding-top: calc(72px + 4rem);
  padding-bottom: 4rem;
  background: var(--gray-50);
}

.about-hero h1 {
  margin-bottom: 1rem;
}

.about-hero p {
  font-size: 1.125rem;
  max-width: 640px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.value-card {
  padding: 2rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  transition: var(--transition);
}

.value-card:hover {
  box-shadow: var(--shadow-md);
}

.value-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-50);
  border-radius: 10px;
  margin-bottom: 1rem;
  color: var(--blue-500);
}

.value-card h4 {
  margin-bottom: 0.5rem;
}

.value-card p {
  font-size: 0.9375rem;
}

/* --- Blog --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.blog-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.blog-card__image {
  height: 200px;
  background: linear-gradient(135deg, var(--blue-100), var(--blue-200));
  position: relative;
}

.blog-card__body {
  padding: 1.5rem;
}

.blog-card__meta {
  font-size: 0.8125rem;
  color: var(--gray-400);
  margin-bottom: 0.75rem;
}

.blog-card__title {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.blog-card__excerpt {
  font-size: 0.9375rem;
  color: var(--gray-500);
}

.blog-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--blue-500);
  transition: var(--transition);
}

.blog-card__link:hover {
  gap: 0.5rem;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h3 {
  margin-bottom: 1rem;
}

.contact-info p {
  margin-bottom: 2rem;
}

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

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

.contact-method__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-50);
  border-radius: 10px;
  color: var(--blue-500);
  flex-shrink: 0;
}

.contact-method__label {
  font-size: 0.8125rem;
  color: var(--gray-400);
  margin-bottom: 0.25rem;
}

.contact-method__value {
  font-weight: 600;
  color: var(--gray-800);
}

.contact-method__value a {
  color: var(--blue-500);
  transition: var(--transition);
}

.contact-method__value a:hover {
  color: var(--blue-600);
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  color: var(--gray-800);
  transition: var(--transition);
  background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* --- Footer --- */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 4rem 0 2rem;
}

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

.footer__brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer__brand span {
  color: var(--blue-400);
}

.footer__desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer__heading {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

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

.footer__links a {
  font-size: 0.9375rem;
  color: var(--gray-400);
  transition: var(--transition);
}

.footer__links a:hover {
  color: var(--blue-400);
}

.footer__bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* --- Particles Canvas --- */
#particles-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* --- Page Header (for inner pages) --- */
.page-header {
  padding-top: calc(72px + 4rem);
  padding-bottom: 4rem;
  background: linear-gradient(135deg, var(--blue-900), var(--blue-800));
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-header__content {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  color: var(--white);
  margin-bottom: 1rem;
}

.page-header p {
  color: var(--blue-200);
  font-size: 1.125rem;
  max-width: 560px;
}

/* --- Stats --- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.stat {
  text-align: center;
}

.stat__number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--blue-500);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat__label {
  font-size: 0.9375rem;
  color: var(--gray-500);
}

/* --- Process Steps --- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  counter-reset: step;
}

.process-step {
  text-align: center;
  padding: 2rem 1.5rem;
  position: relative;
}

.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-size: 3rem;
  font-weight: 700;
  color: var(--blue-100);
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: 1rem;
  display: block;
}

.process-step h4 {
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.9375rem;
}