/* ==========================================================================
   Atmizium Technologies - Modern Brand Stylesheet
   Color Palette & UI System derived from Brand Logo (#FF6B00 / #0F172A / #F8FAFC)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --primary-orange: #FF6B00;
  --primary-orange-hover: #E55C00;
  --primary-orange-light: rgba(255, 107, 0, 0.08);
  --primary-orange-glow: rgba(255, 107, 0, 0.25);
  
  --accent-coral: #EF4444;
  --accent-gradient: linear-gradient(135deg, #FF6B00 0%, #FF8800 100%);
  --hero-gradient: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  --card-gradient: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  
  --dark-slate: #0F172A;
  --navy-slate: #1E293B;
  --body-text: #334155;
  --muted-text: #64748B;
  --light-border: #E2E8F0;
  
  --bg-light: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-dark: #0F172A;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 32px rgba(255, 107, 0, 0.12);
  --shadow-xl: 0 20px 40px rgba(15, 23, 42, 0.12);
  
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-light);
  color: var(--body-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--dark-slate);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

.section-tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-orange-light);
  color: var(--primary-orange);
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 16px;
}

.section-description {
  color: var(--muted-text);
  font-size: 1.125rem;
  max-width: 680px;
  margin: 0 auto 40px auto;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition-normal);
  text-align: center;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(255, 107, 0, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 0, 0.45);
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  color: var(--dark-slate);
  border-color: var(--light-border);
}

.btn-outline:hover {
  border-color: var(--primary-orange);
  color: var(--primary-orange);
  background: var(--primary-orange-light);
  transform: translateY(-2px);
}

.btn-white {
  background: #ffffff;
  color: var(--dark-slate);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  background: var(--primary-orange-light);
  color: var(--primary-orange);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.0625rem;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

/* Header Navigation */
.header-wrapper {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: var(--transition-normal);
}

.header-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
}

.site-logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark-slate);
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--primary-orange);
  transition: var(--transition-fast);
  border-radius: 2px;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-orange);
}

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

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark-slate);
  cursor: pointer;
  padding: 4px;
}

/* Sections Base Layout */
.section {
  padding: 90px 24px;
  position: relative;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
}

/* Hero Section */
.hero-section {
  background: radial-gradient(circle at 80% 20%, rgba(255, 107, 0, 0.08) 0%, transparent 40%),
              radial-gradient(circle at 10% 80%, rgba(15, 23, 42, 0.03) 0%, transparent 40%),
              #ffffff;
  padding: 100px 24px 80px 24px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-content h1 span {
  color: var(--primary-orange);
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--muted-text);
  margin: 24px 0 36px 0;
  line-height: 1.7;
}

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

.hero-stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid var(--light-border);
}

.stat-item h3 {
  font-size: 2rem;
  color: var(--primary-orange);
  font-weight: 800;
}

.stat-item p {
  font-size: 0.875rem;
  color: var(--muted-text);
  font-weight: 600;
  margin-top: 2px;
}

.hero-graphic-card {
  position: relative;
  background: var(--hero-gradient);
  border-radius: var(--radius-lg);
  padding: 40px;
  color: #ffffff;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.hero-graphic-card::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  background: rgba(255, 107, 0, 0.3);
  filter: blur(50px);
  border-radius: 50%;
}

.badge-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(6px);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: #FFD0B0;
  margin-bottom: 20px;
}

.hero-card-list {
  list-style: none;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-card-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero-card-list li svg {
  color: var(--primary-orange);
  flex-shrink: 0;
}

/* Feature & Service Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--light-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  transition: var(--transition-fast);
}

.service-card.featured::before, .service-card:hover::before {
  background: var(--accent-gradient);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255, 107, 0, 0.3);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-orange-light);
  color: var(--primary-orange);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 24px;
}

.service-card h3 {
  margin-bottom: 12px;
}

.service-card p {
  color: var(--muted-text);
  margin-bottom: 24px;
  font-size: 0.975rem;
}

.service-features {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.service-features li::before {
  content: '✓';
  color: var(--primary-orange);
  font-weight: 800;
}

/* Page Header Banner */
.page-header {
  background: var(--hero-gradient);
  color: #ffffff;
  padding: 80px 24px;
  text-align: center;
  position: relative;
}

.page-header h1 {
  color: #ffffff;
  margin-bottom: 12px;
}

.page-header p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.15rem;
  max-width: 640px;
  margin: 0 auto;
}

/* Tech Stack Badges Grid */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.tech-item {
  background: #ffffff;
  border: 1px solid var(--light-border);
  padding: 24px 16px;
  border-radius: var(--radius-md);
  text-align: center;
  transition: var(--transition-fast);
}

.tech-item:hover {
  transform: translateY(-4px);
  border-color: var(--primary-orange);
  box-shadow: var(--shadow-md);
}

.tech-item .icon {
  font-size: 2.25rem;
  color: var(--primary-orange);
  margin-bottom: 8px;
}

.tech-item h4 {
  font-size: 1rem;
  font-weight: 600;
}

/* Process Timeline / Workflow */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.process-step {
  background: #ffffff;
  border: 1px solid var(--light-border);
  padding: 32px 24px;
  border-radius: var(--radius-md);
  position: relative;
}

.step-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-orange-light);
  line-height: 1;
  position: absolute;
  top: 20px;
  right: 20px;
}

.process-step h3 {
  font-size: 1.25rem;
  margin: 16px 0 8px 0;
}

.process-step p {
  color: var(--muted-text);
  font-size: 0.925rem;
}

/* Contact Page Components */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: start;
}

.contact-info-card {
  background: var(--dark-slate);
  color: #ffffff;
  padding: 44px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.contact-info-card h3 {
  color: #ffffff;
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.contact-info-card p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
}

.info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}

.info-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 107, 0, 0.15);
  color: var(--primary-orange);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.info-text h4 {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 4px;
}

.info-text p, .info-text a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.info-text a:hover {
  color: var(--primary-orange);
}

.contact-form-container {
  background: #ffffff;
  border: 1px solid var(--light-border);
  padding: 44px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--dark-slate);
}

.form-control {
  width: 100%;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 0.975rem;
  border: 1px solid var(--light-border);
  border-radius: var(--radius-sm);
  background: var(--bg-light);
  color: var(--dark-slate);
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-orange);
  background: #ffffff;
  box-shadow: 0 0 0 3px var(--primary-orange-light);
}

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

/* CTA Banner Section */
.cta-banner {
  background: var(--hero-gradient);
  border-radius: var(--radius-lg);
  padding: 64px 40px;
  color: #ffffff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner h2 {
  color: #ffffff;
  margin-bottom: 16px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 32px auto;
}

/* Footer Section */
.site-footer {
  background: var(--dark-slate);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 24px 32px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  margin: 16px 0 24px 0;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.65);
}

.footer-column h4 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 24px;
  position: relative;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.925rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
  color: var(--primary-orange);
  padding-left: 4px;
}

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

.social-btn {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.social-btn:hover {
  background: var(--primary-orange);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: #ffffff;
    flex-direction: column;
    padding: 32px;
    box-shadow: var(--shadow-xl);
    display: none;
    gap: 20px;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .mobile-toggle {
    display: block;
  }

  .nav-actions .btn {
    display: none;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

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

.cert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 500px;
  margin: 0 auto;
}