/* ==========================================================================
   Datagate IT Solutions - Design System & Stylesheet
   Color Palette:
     - Primary Navy: #0A2540
     - Accent Blue: #2F80ED
     - Light Background: #F5F7FA
     - Card / Container: #FFFFFF
     - Text Dark: #1A1A1A
     - Text Muted: #5A6A80
     - Border Color: #E2E8F0
   ========================================================================== */

:root {
  --color-primary: #0A2540;
  --color-primary-light: #163a61;
  --color-primary-dark: #061729;
  --color-accent: #2F80ED;
  --color-accent-hover: #1b6bd6;
  --color-accent-soft: rgba(47, 128, 237, 0.08);
  --color-accent-glow: rgba(47, 128, 237, 0.2);
  
  --color-bg: #F5F7FA;
  --color-white: #FFFFFF;
  --color-surface: #FFFFFF;
  
  --color-text-main: #1A1A1A;
  --color-text-muted: #5A6A80;
  --color-text-light: #8C9BAE;
  
  --color-border: #E2E8F0;
  --color-border-hover: #CBD5E1;
  
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-heading: 'Poppins', 'Inter', sans-serif;
  
  --container-max-width: 1200px;
  --container-padding: 24px;
  --nav-height: 80px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --shadow-subtle: 0 1px 3px rgba(10, 37, 64, 0.05), 0 1px 2px rgba(10, 37, 64, 0.03);
  --shadow-card: 0 4px 12px rgba(10, 37, 64, 0.04), 0 1px 3px rgba(10, 37, 64, 0.02);
  --shadow-card-hover: 0 12px 28px rgba(10, 37, 64, 0.08), 0 2px 6px rgba(10, 37, 64, 0.04);
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* 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-family-base);
  color: var(--color-text-main);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  color: var(--color-primary);
  line-height: 1.25;
  font-weight: 600;
}

p {
  color: var(--color-text-muted);
}

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

ul {
  list-style: none;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px auto;
}

.section-subtitle {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-description {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-family-base);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  line-height: 1;
  text-align: center;
}

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

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--color-accent-glow);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  background-color: #FAFAFC;
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.header.scrolled {
  box-shadow: 0 4px 20px rgba(10, 37, 64, 0.06);
  height: 72px;
}

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

/* Wordmark Logo */
.brand-logo {
  display: inline-block;
  text-decoration: none;
}

.logo-mark {
  display: flex;
  flex-direction: column;
}

.logo-data {
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.logo-gate {
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.logo-tagline {
  font-family: var(--font-family-base);
  font-size: 0.5625rem;
  font-weight: 700;
  color: var(--color-primary-light);
  letter-spacing: 2.2px;
  margin-top: 1px;
}

/* Nav Menu */
.nav-list {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-main);
  padding: 6px 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle .icon-close {
  display: none;
}

.mobile-toggle.active .icon-menu {
  display: none;
}

.mobile-toggle.active .icon-close {
  display: block;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 100px 0 80px 0;
  background-color: var(--color-bg);
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.hero-bg-shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.geometric-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.shape-1 {
  width: 450px;
  height: 450px;
  top: -120px;
  right: -50px;
  background: radial-gradient(circle, rgba(47, 128, 237, 0.12) 0%, rgba(47, 128, 237, 0) 70%);
}

.shape-2 {
  width: 500px;
  height: 500px;
  bottom: -150px;
  left: -100px;
  background: radial-gradient(circle, rgba(10, 37, 64, 0.06) 0%, rgba(10, 37, 64, 0) 70%);
}

.shape-grid {
  position: absolute;
  inset: 0;
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(10, 37, 64, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10, 37, 64, 0.03) 1px, transparent 1px);
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.hero-container {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 24px;
  box-shadow: var(--shadow-subtle);
}

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

.hero-title {
  font-size: 3.25rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -1.2px;
  line-height: 1.18;
  margin-bottom: 24px;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 720px;
  margin: 0 auto 36px auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 56px;
}

.hero-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 32px;
  padding-top: 32px;
  border-top: 1px solid rgba(226, 232, 240, 0.8);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.trust-item i {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
}

/* ==========================================================================
   ERP Solution Section
   ========================================================================== */
.erp-section {
  padding: 100px 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.erp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.erp-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px 30px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

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

.card-icon-wrap {
  width: 52px;
  height: 52px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  transition: all var(--transition-fast);
}

.erp-card:hover .card-icon-wrap {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.card-icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.erp-card:hover .card-icon {
  color: var(--color-white);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.card-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   Why Datagate Section
   ========================================================================== */
.why-section {
  padding: 100px 0;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.why-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.why-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-border-hover);
}

.why-icon-wrap {
  width: 48px;
  height: 48px;
  background-color: var(--color-accent-soft);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.why-icon {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.why-title {
  font-size: 1.3125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.why-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-section {
  padding: 100px 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.about-card {
  background-color: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 64px 56px;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.about-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(47, 128, 237, 0.25) 0%, rgba(47, 128, 237, 0) 70%);
  pointer-events: none;
}

.about-content {
  position: relative;
  z-index: 1;
  max-width: 860px;
}

.about-content .section-subtitle {
  color: var(--color-accent);
}

.about-title {
  font-size: 2.125rem;
  color: var(--color-white);
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.about-text {
  font-size: 1.0625rem;
  color: #CBD5E1;
  line-height: 1.7;
  margin-bottom: 20px;
}

.about-stats {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 48px;
  margin-top: 40px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-family-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-white);
}

.stat-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-section {
  padding: 100px 0;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: flex-start;
}

.contact-info-panel {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px 36px;
  box-shadow: var(--shadow-card);
}

.panel-title {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.panel-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 32px;
}

.info-items {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 32px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.info-icon {
  width: 42px;
  height: 42px;
  background-color: var(--color-accent-soft);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-icon i {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

.info-content {
  display: flex;
  flex-direction: column;
}

.info-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-light);
  margin-bottom: 2px;
}

.info-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
}

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

.direct-badge {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background-color: #F8FAFC;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.direct-badge i {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.direct-badge strong {
  font-size: 0.8125rem;
  color: var(--color-primary);
  display: block;
}

.direct-badge p {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  margin-top: 2px;
}

/* Form Styles */
.contact-form-panel {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px 36px;
  box-shadow: var(--shadow-card);
}

.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;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-family-base);
  font-size: 0.9375rem;
  color: var(--color-text-main);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  background-color: var(--color-white);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-error {
  display: none;
  font-size: 0.75rem;
  color: #DC2626;
  margin-top: 4px;
}

.has-error .form-input,
.has-error .form-textarea {
  border-color: #DC2626;
  background-color: #FEF2F2;
}

.has-error .form-error {
  display: block;
}

.form-feedback {
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: #ECFDF5;
  border: 1px solid #A7F3D0;
  color: #065F46;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
}

.form-feedback i {
  width: 20px;
  height: 20px;
  color: #059669;
  flex-shrink: 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: var(--color-primary);
  color: #94A3B8;
  padding: 72px 0 36px 0;
  border-top: 1px solid var(--color-primary-light);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.brand-logo-footer .logo-data {
  color: var(--color-white);
}

.brand-logo-footer .logo-tagline {
  color: var(--color-accent);
}

.footer-tagline {
  font-size: 0.9375rem;
  color: #94A3B8;
  line-height: 1.6;
  margin-top: 16px;
  max-width: 320px;
}

.footer-meta-reg {
  font-size: 0.75rem;
  color: #64748B;
  margin-top: 14px;
}

.reg-number {
  color: #94A3B8;
  font-family: monospace;
}

.footer-col-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-white);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.875rem;
  color: #94A3B8;
  transition: color var(--transition-fast);
}

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

.social-note {
  font-size: 0.8125rem;
  color: #94A3B8;
  margin-bottom: 14px;
}

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

.social-icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-primary-light);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #CBD5E1;
  transition: all var(--transition-fast);
}

.social-icon:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.social-icon i {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8125rem;
  color: #64748B;
}

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

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

.divider {
  color: #475569;
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */

/* Tablets (max-width: 992px) */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .erp-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .why-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
  }
  
  .about-card {
    padding: 48px 36px;
  }
}

/* Mobile Devices (max-width: 768px) */
@media (max-width: 768px) {
  :root {
    --nav-height: 70px;
    --container-padding: 16px;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 24px 20px;
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .nav-cta {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-section {
    padding: 60px 0 50px 0;
  }

  .hero-title {
    font-size: 2rem;
    letter-spacing: -0.5px;
  }

  .hero-description {
    font-size: 1.0625rem;
    margin-bottom: 28px;
  }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
    width: 100%;
  }

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

  .hero-trust {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .section-title {
    font-size: 1.75rem;
  }

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

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

  .about-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}