/* ==========================================================================
   Terraforge Portal - Main Stylesheet
   X-Style Light Theme - Minimal & Clean
   ========================================================================== */

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */
:root {
  /* Colors - Light Theme (X-Style) */
  --color-black: #000000;
  --color-white: #FFFFFF;
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;
  --color-accent: #1D9BF0;
  --color-accent-hover: #1A8CD8;
  --color-whatsapp: #25D366;
  --color-whatsapp-hover: #1EBE5A;

  /* Service Accent Colors */
  --color-service-software: #6366F1;
  --color-service-cloud: #0EA5E9;
  --color-service-integration: #10B981;

  /* Typography */
  --font-heading: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'DM Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family: 'DM Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --text-hero: clamp(2.5rem, 5vw, 4.5rem);
  --text-h1: clamp(2rem, 4vw, 3rem);
  --text-h2: clamp(2rem, 4vw, 2.5rem);
  --text-h3: clamp(1.5rem, 3vw, 1.75rem);
  --text-h4: clamp(1.25rem, 2vw, 1.5rem);
  --text-body: 1rem;
  --text-body-lg: 1.125rem;
  --text-small: 0.875rem;
  --text-xs: 0.75rem;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;

  --line-height-tight: 1.1;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --container-max: 1400px;
  --container-narrow: 900px;
  --header-height: 80px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #0a0a1a 0%, #0d1b2a 40%, #1a1a2e 100%);
  --gradient-cta: linear-gradient(135deg, var(--color-gray-900) 0%, #0a0a0a 100%);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Z-index scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-header: 1000;
  --z-float: 1500;
  --z-modal: 2000;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--text-body);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-gray-900);
  background-color: var(--color-white);
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-tight);
  line-height: var(--line-height-tight);
  color: var(--color-black);
}

.text-hero {
  font-family: var(--font-heading);
  font-size: var(--text-hero);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-tight);
  line-height: 1;
}

.text-h1 { font-size: var(--text-h1); }
.text-h2 { font-size: var(--text-h2); }
.text-h3 { font-size: var(--text-h3); }
.text-h4 { font-size: var(--text-h4); }

.text-body-lg {
  font-size: var(--text-body-lg);
  line-height: var(--line-height-relaxed);
}

.text-secondary {
  color: var(--color-gray-500);
}

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

/* ==========================================================================
   Layout Components
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--space-16) 0;
}

.section-lg {
  padding: var(--space-24) 0;
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background-color var(--transition-base), backdrop-filter var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-gray-200);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Header on dark backgrounds - before scroll */
.header-dark .logo {
  color: #ffffff;
}

.header-dark .nav-link {
  color: rgba(255, 255, 255, 0.8);
}

.header-dark .nav-link:hover,
.header-dark .nav-link.active {
  color: #ffffff;
}

.header-dark .nav-toggle span {
  background-color: #ffffff;
}

/* When scrolled, revert to normal (white background) */
.header-dark.scrolled .logo {
  color: var(--color-black);
}

.header-dark.scrolled .nav-link {
  color: var(--color-gray-600);
}

.header-dark.scrolled .nav-link:hover,
.header-dark.scrolled .nav-link.active {
  color: var(--color-black);
}

.header-dark.scrolled .nav-toggle span {
  background-color: var(--color-black);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-tight);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-black);
}

.logo svg {
  width: 32px;
  height: 32px;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--text-small);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-600);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  transition: color var(--transition-fast);
}

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

.nav-cta {
  padding: var(--space-3) var(--space-6);
  background-color: var(--color-black);
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.nav-cta:hover {
  background-color: var(--color-gray-800);
  color: var(--color-white);  /* Prevent blue hover from a:hover */
  transform: translateY(-1px);
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  padding: var(--space-2);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-black);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

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

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

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

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

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    justify-content: flex-start;
    padding-top: var(--space-12);
    gap: var(--space-6);
    background-color: var(--color-white);
    transform: translateX(100%);
    transition: transform var(--transition-base);
  }

  .nav.active {
    transform: translateX(0);
  }

  .nav-link {
    font-size: var(--text-h4);
    color: var(--color-gray-900);
  }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-gray-50);
}

/* Dark gradient background with subtle grid overlay */
.hero-animated-bg {
  background: var(--gradient-hero);
  background-size: 100% 100%;
}

.hero-animated-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-animated-bg .hero-title {
  color: #ffffff;
}

.hero-animated-bg .hero-subtitle {
  color: rgba(255, 255, 255, 0.75);
}

.hero-animated-bg .scroll-indicator {
  color: rgba(255, 255, 255, 0.5);
}

.hero-animated-bg .scroll-indicator::after {
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.4), transparent);
}

/* Dark hero button variants */
.hero-animated-bg .btn-secondary {
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
}

.hero-animated-bg .btn-secondary:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

/* Make primary button visible on dark hero */
.hero-animated-bg .btn-primary {
  background-color: #ffffff;
  color: #000000;
  border-color: #ffffff;
}

.hero-animated-bg .btn-primary:hover {
  background-color: transparent;
  color: #ffffff;
  border-color: #ffffff;
}

/* ==========================================================================
   Hero Split Layout (Homepage)
   ========================================================================== */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  max-width: var(--container-max);
  width: 100%;
  text-align: left;
  padding: var(--space-8);
}

.hero-split .hero-subtitle {
  margin-left: 0;
}

.hero-split .hero-cta {
  justify-content: flex-start;
}

/* Abstract tech visual (right column) */
.hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-height: 480px;
}

/* Ambient glow behind node network */
.hero-visual::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 70%;
  height: 70%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, rgba(99, 102, 241, 0.08) 40%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: glow-pulse 6s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.7; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.08); }
}

.hero-nodes {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* Gradient orbs — boosted visibility */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
}

.hero-orb--1 {
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.5) 0%, transparent 70%);
  top: 5%;
  left: 10%;
  animation: orb-float-1 8s ease-in-out infinite;
}

.hero-orb--2 {
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.45) 0%, transparent 70%);
  top: 35%;
  right: 5%;
  animation: orb-float-2 10s ease-in-out infinite;
}

.hero-orb--3 {
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.4) 0%, transparent 70%);
  bottom: 10%;
  left: 25%;
  animation: orb-float-3 12s ease-in-out infinite;
}

@keyframes orb-float-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -25px) scale(1.05); }
}

@keyframes orb-float-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-25px, 30px) scale(1.03); }
}

@keyframes orb-float-3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -35px) scale(1.06); }
}

/* Geometric accent shapes — gradient borders, more visible */
.hero-geo {
  position: absolute;
}

.hero-geo--1 {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: linear-gradient(var(--gradient-hero), var(--gradient-hero)) padding-box,
              linear-gradient(135deg, rgba(99,102,241,0.3), rgba(14,165,233,0.15)) border-box;
  top: 5%;
  right: 8%;
  transform: rotate(15deg);
  animation: geo-spin 20s linear infinite;
}

.hero-geo--2 {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 1px solid transparent;
  background: linear-gradient(var(--gradient-hero), var(--gradient-hero)) padding-box,
              linear-gradient(135deg, rgba(14,165,233,0.25), rgba(16,185,129,0.15)) border-box;
  bottom: 10%;
  right: 25%;
  animation: geo-pulse 6s ease-in-out infinite;
}

.hero-geo--3 {
  width: 60px;
  height: 60px;
  border: 1px solid transparent;
  background: linear-gradient(var(--gradient-hero), var(--gradient-hero)) padding-box,
              linear-gradient(135deg, rgba(16,185,129,0.3), rgba(99,102,241,0.15)) border-box;
  bottom: 30%;
  left: 5%;
  transform: rotate(45deg);
  animation: geo-drift 14s ease-in-out infinite;
}

/* Floating particle dots */
.hero-particle {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
}

.hero-particle--1 {
  top: 15%;
  left: 45%;
  animation: particle-drift-1 9s ease-in-out infinite;
}

.hero-particle--2 {
  top: 60%;
  left: 20%;
  animation: particle-drift-2 11s ease-in-out infinite;
}

.hero-particle--3 {
  top: 75%;
  right: 15%;
  animation: particle-drift-3 7s ease-in-out infinite;
}

.hero-particle--4 {
  top: 25%;
  right: 30%;
  animation: particle-drift-4 13s ease-in-out infinite;
}

.hero-particle--5 {
  top: 50%;
  left: 55%;
  animation: particle-drift-5 10s ease-in-out infinite;
}

@keyframes geo-spin {
  from { transform: rotate(15deg); }
  to { transform: rotate(375deg); }
}

@keyframes geo-pulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.1); }
}

@keyframes geo-drift {
  0%, 100% { transform: rotate(45deg) translate(0, 0); }
  50% { transform: rotate(45deg) translate(8px, -12px); }
}

@keyframes particle-drift-1 {
  0%, 100% { transform: translate(0, 0); opacity: 0.4; }
  50% { transform: translate(-8px, 12px); opacity: 0.8; }
}

@keyframes particle-drift-2 {
  0%, 100% { transform: translate(0, 0); opacity: 0.3; }
  50% { transform: translate(10px, -6px); opacity: 0.7; }
}

@keyframes particle-drift-3 {
  0%, 100% { transform: translate(0, 0); opacity: 0.5; }
  50% { transform: translate(-6px, -10px); opacity: 0.9; }
}

@keyframes particle-drift-4 {
  0%, 100% { transform: translate(0, 0); opacity: 0.3; }
  50% { transform: translate(5px, 8px); opacity: 0.6; }
}

@keyframes particle-drift-5 {
  0%, 100% { transform: translate(0, 0); opacity: 0.4; }
  50% { transform: translate(-10px, -5px); opacity: 0.7; }
}

/* Hero responsive: stack on mobile */
@media (max-width: 768px) {
  .hero-split {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-8);
  }

  .hero-split .hero-cta {
    justify-content: center;
  }

  .hero-split .hero-subtitle {
    margin-left: auto;
  }

  .hero-visual {
    max-height: 280px;
    order: -1;
    opacity: 0.7;
  }
}

/* Reduced motion: no orb/geo/particle animations */
@media (prefers-reduced-motion: reduce) {
  .hero-orb,
  .hero-geo,
  .hero-particle,
  .hero-visual::before {
    animation: none;
  }
  .hero-nodes line,
  .hero-nodes circle.hero-node-ring {
    animation: none;
  }
}

.hero-video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  opacity: 0.1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  z-index: -1;
}

.hero-content {
  text-align: center;
  max-width: var(--container-max);
  padding: var(--space-8);
}

.hero-title {
  margin-bottom: var(--space-6);
  color: var(--color-black);
}

.hero-subtitle {
  font-size: var(--text-body-lg);
  color: var(--color-gray-500);
  max-width: 600px;
  margin: 0 auto var(--space-10);
  line-height: 1.5;
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-gray-500);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  animation: bounce 2s infinite;
}

.scroll-indicator::after {
  content: '';
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-gray-400), transparent);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* Page Hero (compact) */
.hero-page {
  min-height: 60vh;
  padding-top: var(--header-height);
}

.hero-page .hero-content {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-body);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid transparent;
  min-height: 44px; /* Apple HIG minimum touch target */
}

/* Focus states (WCAG 2.4.7 accessibility) */
.btn:focus-visible {
  outline: 2px solid var(--color-black);
  outline-offset: 2px;
}

.hero-animated-bg .btn:focus-visible,
.hero-page .btn:focus-visible {
  outline-color: var(--color-white);
}

/* Disabled button state */
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

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

.btn-primary:hover {
  background-color: transparent;
  color: var(--color-black);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary:active {
  transform: scale(0.98);
  box-shadow: none;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-gray-900);
  border-color: var(--color-gray-300);
}

.btn-secondary:hover {
  border-color: var(--color-black);
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: scale(0.98);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-gray-900);
  padding: var(--space-2) 0;
  border: none;
}

.btn-ghost::after {
  content: '\2192';
  margin-left: var(--space-2);
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-ghost:hover::after {
  transform: translateX(8px);
}

.btn-lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-body-lg);
}

/* Accent color CTA variant */
.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(29, 155, 240, 0.3);
}

.btn-accent:active {
  transform: scale(0.98);
  box-shadow: none;
}

/* WhatsApp CTA variant (follows .btn-accent pattern) */
.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  border-color: var(--color-whatsapp);
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-hover);
  border-color: var(--color-whatsapp-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:active {
  transform: scale(0.98);
  box-shadow: none;
}

.btn-whatsapp:focus-visible {
  outline: 2px solid var(--color-whatsapp);
  outline-offset: 2px;
}

.btn-whatsapp .btn-icon {
  width: 1.25em;
  height: 1.25em;
  vertical-align: -0.2em;
  margin-right: 0.4em;
  fill: currentColor;
}

/* Hero dark-background overrides for WhatsApp button */
.hero-animated-bg .btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  border-color: var(--color-whatsapp);
}

.hero-animated-bg .btn-whatsapp:hover {
  background-color: var(--color-whatsapp-hover);
  border-color: var(--color-whatsapp-hover);
  color: var(--color-white);
}

/* CTA buttons wrapper */
.cta-buttons {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

/* Floating WhatsApp button */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  z-index: var(--z-float);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-base);
  animation: whatsapp-pulse 2s ease-in-out infinite;
  text-decoration: none;
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-float:focus-visible {
  outline: 2px solid var(--color-whatsapp);
  outline-offset: 4px;
}

.whatsapp-float.is-hidden {
  opacity: 0;
  pointer-events: none;
}

@keyframes whatsapp-pulse {
  0%, 100% { box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.6); }
}

@media (max-width: 768px) {
  .whatsapp-float {
    width: 48px;
    height: 48px;
    bottom: 1.5rem;
    right: 1.5rem;
  }

  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float {
    animation: none;
  }
}

/* Reduced motion preference (accessibility) */
@media (prefers-reduced-motion: reduce) {
  .btn,
  .btn::after {
    transition: none;
  }

  .btn:hover,
  .btn:active {
    transform: none;
  }
}

/* ==========================================================================
   Service Cards - Featured + Grid Layout
   ========================================================================== */

/* Main container for featured + grid layout */
.services-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* Featured Card (System Integration - Card 01) */
.service-card-featured {
  position: relative;
  padding: var(--space-12) var(--space-16);
  background-color: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  min-height: 280px;
}

.service-card-featured:hover {
  background-color: var(--color-white);
  border-color: var(--color-gray-300);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.service-card-featured .service-number {
  font-size: clamp(4rem, 8vw, 6rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-200);
  line-height: 1;
  margin-bottom: var(--space-6);
  transition: color var(--transition-base);
}

.service-card-featured:hover .service-number {
  color: var(--color-gray-300);
}

.service-card-featured .service-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-4);
  color: var(--color-black);
}

.service-card-featured .service-description {
  font-size: var(--text-body-lg);
  color: var(--color-gray-500);
  margin-bottom: var(--space-8);
  max-width: 700px;
  flex-grow: 1;
}

.service-card-featured .service-link {
  font-size: var(--text-body-lg);
}

/* Secondary Cards Grid (2x2) */
/* Three-Card Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.services-grid-secondary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

/* Two-Card Services Grid (for reduced services) */
.services-grid-two {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .services-grid-two {
    grid-template-columns: 1fr;
  }
}

.services-grid-two .service-card {
  min-height: 280px;
}

/* Standard Service Card */
.service-card {
  position: relative;
  padding: var(--space-10);
  background-color: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-left: 3px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

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

/* Service card color accent modifiers */
.service-card--software {
  border-left-color: rgba(99, 102, 241, 0.4);
}

.service-card--software:hover {
  border-left-color: var(--color-service-software);
  background-color: rgba(99, 102, 241, 0.03);
}

.service-card--software:hover .service-number {
  color: var(--color-service-software);
}

.service-card--cloud {
  border-left-color: rgba(14, 165, 233, 0.4);
}

.service-card--cloud:hover {
  border-left-color: var(--color-service-cloud);
  background-color: rgba(14, 165, 233, 0.03);
}

.service-card--cloud:hover .service-number {
  color: var(--color-service-cloud);
}

.service-card--integration {
  border-left-color: rgba(16, 185, 129, 0.4);
}

.service-card--integration:hover {
  border-left-color: var(--color-service-integration);
  background-color: rgba(16, 185, 129, 0.03);
}

.service-card--integration:hover .service-number {
  color: var(--color-service-integration);
}

.service-number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-300);
  line-height: 1;
  margin-bottom: var(--space-6);
  transition: color var(--transition-base);
}

.service-card:hover .service-number {
  color: var(--color-gray-400);
}

.service-title {
  font-size: var(--text-h3);
  margin-bottom: var(--space-4);
  color: var(--color-black);
}

.service-description {
  color: var(--color-gray-500);
  margin-bottom: var(--space-6);
  flex-grow: 1;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-900);
}

.service-link:hover {
  color: var(--color-accent);
}

.service-link::after {
  content: '\2192';
  transition: transform var(--transition-fast);
}

.service-card:hover .service-link::after,
.service-card-featured:hover .service-link::after {
  transform: translateX(5px);
}

/* ==========================================================================
   Service Cards - Focus States (Accessibility)
   ========================================================================== */
.service-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.service-card:has(.service-link:focus-visible),
.service-card-featured:has(.service-link:focus-visible) {
  box-shadow: 0 0 0 2px var(--color-accent);
}

/* ==========================================================================
   Service Cards - Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .service-card-featured {
    padding: var(--space-10) var(--space-12);
    min-height: 240px;
  }

  .service-card {
    padding: var(--space-8);
  }

  .services-grid-secondary {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .service-card-featured {
    padding: var(--space-8);
    min-height: auto;
  }

  .service-card-featured .service-number {
    font-size: clamp(3rem, 6vw, 4rem);
  }

  .service-card-featured .service-title {
    font-size: clamp(1.5rem, 4vw, 1.75rem);
  }

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

  .service-card {
    padding: var(--space-6);
  }

  .service-number {
    font-size: clamp(2rem, 5vw, 2.5rem);
  }
}

/* ==========================================================================
   Features / Capabilities Grid
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
}

.feature-card {
  padding: var(--space-8);
  background-color: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
}

.feature-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-6);
  color: var(--color-black);
}

.feature-title {
  font-size: var(--text-h4);
  margin-bottom: var(--space-3);
  color: var(--color-black);
}

.feature-description {
  color: var(--color-gray-500);
}

.feature-list {
  margin-top: var(--space-4);
}

.feature-list li {
  padding: var(--space-2) 0;
  color: var(--color-gray-500);
  border-bottom: 1px solid var(--color-gray-200);
  font-size: var(--text-small);
}

.feature-list li:last-child {
  border-bottom: none;
}

/* ==========================================================================
   Values Section
   ========================================================================== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}

.value-card {
  padding: var(--space-8);
  background-color: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  text-align: center;
}

.value-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-gray-300);
}

.value-title {
  font-size: var(--text-h4);
  margin-bottom: var(--space-3);
  color: var(--color-black);
}

.value-description {
  color: var(--color-gray-500);
  font-size: var(--text-small);
}

/* ==========================================================================
   Process / Steps
   ========================================================================== */
.process-list {
  display: grid;
  gap: var(--space-6);
  counter-reset: process;
}

.process-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-6);
  padding: var(--space-6);
  background-color: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
}

.process-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-gray-200);
  color: var(--color-gray-700);
  font-size: var(--text-h4);
  font-weight: var(--font-weight-bold);
}

.process-content h3 {
  font-size: var(--text-h4);
  margin-bottom: var(--space-2);
  color: var(--color-black);
}

.process-content p {
  color: var(--color-gray-500);
  font-size: var(--text-small);
}

/* ==========================================================================
   Technology Tags
   ========================================================================== */
.tech-section {
  padding: var(--space-12);
  background-color: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
}

.tech-category {
  margin-bottom: var(--space-8);
}

.tech-category:last-child {
  margin-bottom: 0;
}

.tech-label {
  font-size: var(--text-small);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--space-4);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.tech-tag {
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  font-size: var(--text-small);
  color: var(--color-gray-700);
}

/* ==========================================================================
   Benefits Grid - Balanced 3x2 Layout
   ========================================================================== */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1024px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .benefits-grid {
    grid-template-columns: 1fr;
  }
}

.benefit-item {
  padding: var(--space-6);
  border-left: 2px solid var(--color-gray-200);
  transition: border-color var(--transition-base);
}

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

.benefit-title {
  font-size: var(--text-body);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
  color: var(--color-black);
}

.benefit-description {
  color: var(--color-gray-500);
  font-size: var(--text-small);
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

@media (max-width: 900px) {
  .about-section {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.about-content h2 {
  margin-bottom: var(--space-6);
  color: var(--color-black);
}

.about-content p {
  color: var(--color-gray-500);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-relaxed);
}

.about-content p:last-of-type {
  margin-bottom: var(--space-8);
}

/* About Visual (Our Story abstract graphic) */
.about-visual {
  position: relative;
  background: linear-gradient(135deg, #0a0a0f 0%, #111827 50%, #0a0f1a 100%);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-lg);
  min-height: 400px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-visual__svg {
  position: relative;
  width: 85%;
  height: 85%;
  z-index: 1;
}

.about-visual__orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.about-visual__orb--1 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
  top: 10%;
  left: 10%;
  filter: blur(40px);
  animation: about-orb-1 10s ease-in-out infinite;
}

.about-visual__orb--2 {
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.25) 0%, transparent 70%);
  top: 50%;
  right: 5%;
  filter: blur(35px);
  animation: about-orb-2 12s ease-in-out infinite;
}

.about-visual__orb--3 {
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.2) 0%, transparent 70%);
  bottom: 10%;
  left: 25%;
  filter: blur(30px);
  animation: about-orb-3 8s ease-in-out infinite;
}

@keyframes about-orb-1 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(15px, -10px); }
}

@keyframes about-orb-2 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-10px, 15px); }
}

@keyframes about-orb-3 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(10px, -15px); }
}

@media (prefers-reduced-motion: reduce) {
  .about-visual__orb {
    animation: none;
  }
}

@media (max-width: 900px) {
  .about-visual {
    min-height: 300px;
  }
}

/* ==========================================================================
   Team Section
   ========================================================================== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.team-card {
  background-color: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
}

.team-image {
  aspect-ratio: 1;
  background-color: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
}

.team-image svg {
  width: 80px;
  height: 80px;
  color: var(--color-gray-400);
}

.team-info {
  padding: var(--space-6);
}

.team-name {
  font-size: var(--text-h4);
  margin-bottom: var(--space-1);
  color: var(--color-black);
}

.team-role {
  color: var(--color-gray-500);
  font-size: var(--text-small);
  margin-bottom: var(--space-4);
}

.team-bio {
  color: var(--color-gray-500);
  font-size: var(--text-small);
  line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   Contact Form
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-16);
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
}

.contact-info h2 {
  margin-bottom: var(--space-6);
  color: var(--color-black);
}

.contact-info > p {
  color: var(--color-gray-500);
  margin-bottom: var(--space-8);
  line-height: var(--line-height-relaxed);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact-icon {
  width: 24px;
  height: 24px;
  color: var(--color-gray-400);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-label {
  font-size: var(--text-small);
  color: var(--color-gray-500);
  margin-bottom: var(--space-1);
}

.contact-value {
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-900);
}

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

/* Form Styles */
.contact-form {
  padding: var(--space-10);
  background-color: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-size: var(--text-small);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
}

.form-label .required {
  color: var(--color-accent);
}

.form-hint {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  margin-top: var(--space-1);
}

.form-input,
.form-textarea {
  padding: var(--space-4);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  color: var(--color-gray-900);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-gray-400);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-submit {
  margin-top: var(--space-6);
}

.form-message {
  margin-top: var(--space-6);
  padding: var(--space-4);
  text-align: center;
}

.form-message.success {
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10B981;
}

.form-message.error {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #EF4444;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-6);
}

@media (max-width: 500px) {
  .faq-grid {
    grid-template-columns: 1fr;
  }
}

.faq-item {
  padding: var(--space-8);
  background-color: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  transition: border-color var(--transition-base);
}

.faq-item:hover {
  border-color: var(--color-gray-300);
}

.faq-question {
  font-size: var(--text-h4);
  font-weight: var(--font-weight-semibold);
  color: var(--color-black);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-normal);
}

.faq-answer {
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
  font-size: var(--text-body);
}

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta-section {
  position: relative;
  padding: var(--space-24) 0;
  text-align: center;
  background: var(--gradient-cta);
  border: none;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-section h2 {
  margin-bottom: var(--space-6);
  color: #ffffff;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto var(--space-10);
  line-height: var(--line-height-relaxed);
}

.cta-section .btn-primary {
  background-color: #ffffff;
  color: var(--color-gray-900);
  border-color: #ffffff;
}

.cta-section .btn-primary:hover {
  background-color: transparent;
  color: #ffffff;
  border-color: #ffffff;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  padding: var(--space-16) 0 var(--space-8);
  background-color: var(--color-gray-50);
  border-top: 1px solid var(--color-gray-200);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand .logo {
  margin-bottom: var(--space-4);
}

.footer-tagline {
  color: var(--color-gray-500);
  margin-bottom: var(--space-6);
  line-height: var(--line-height-relaxed);
}

.footer-heading {
  font-size: var(--text-small);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--space-6);
  color: var(--color-gray-700);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  color: var(--color-gray-500);
  font-size: var(--text-small);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-200);
}

@media (max-width: 600px) {
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

.footer-copyright {
  color: var(--color-gray-500);
  font-size: var(--text-small);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  color: var(--color-black);
  border-color: var(--color-gray-400);
}

.footer-social svg {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   404 Page
   ========================================================================== */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8);
}

.error-code {
  font-size: clamp(8rem, 20vw, 15rem);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  color: var(--color-gray-200);
  margin-bottom: var(--space-4);
}

.error-title {
  margin-bottom: var(--space-4);
  color: var(--color-black);
}

.error-description {
  color: var(--color-gray-500);
  margin-bottom: var(--space-10);
  max-width: 400px;
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-16);
}

.section-header h2 {
  margin-bottom: var(--space-4);
  color: var(--color-black);
}

.section-header p {
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mt-auto { margin-top: auto; }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

.pt-header { padding-top: var(--header-height); }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

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

/* ==========================================================================
   Dark Section Variants
   ========================================================================== */
.section-dark {
  background-color: var(--color-gray-900);
}

/* Section headers on dark backgrounds */
.section-dark .section-header h2 {
  color: #ffffff;
}

.section-dark .section-header p {
  color: rgba(255, 255, 255, 0.7);
}

/* Team cards on dark backgrounds */
.section-dark .team-card {
  background-color: var(--color-gray-800);
  border-color: var(--color-gray-700);
}

.section-dark .team-name {
  color: #ffffff;
}

.section-dark .team-role {
  color: rgba(255, 255, 255, 0.6);
}

.section-dark .team-bio {
  color: rgba(255, 255, 255, 0.7);
}

/* Process items on dark backgrounds */
.section-dark .process-item {
  background-color: var(--color-gray-800);
  border-color: var(--color-gray-700);
}

.section-dark .process-number {
  background-color: var(--color-gray-700);
  color: #ffffff;
}

.section-dark .process-content h3 {
  color: #ffffff;
}

.section-dark .process-content p {
  color: rgba(255, 255, 255, 0.7);
}

/* Benefits on dark backgrounds */
.section-dark .benefit-item {
  border-left-color: var(--color-gray-600);
}

.section-dark .benefit-item:hover {
  border-left-color: var(--color-accent);
}

.section-dark .benefit-title {
  color: #ffffff;
}

.section-dark .benefit-description {
  color: rgba(255, 255, 255, 0.7);
}

/* Tech tags on dark backgrounds */
.section-dark .tech-label {
  color: rgba(255, 255, 255, 0.6);
}

.section-dark .tech-tag {
  background-color: var(--color-gray-800);
  border-color: var(--color-gray-700);
  color: rgba(255, 255, 255, 0.8);
}

/* Feature cards on dark backgrounds (if needed) */
.section-dark .feature-card {
  background-color: var(--color-gray-800);
  border-color: var(--color-gray-700);
}

.section-dark .feature-title {
  color: #ffffff;
}

.section-dark .feature-description {
  color: rgba(255, 255, 255, 0.7);
}

.section-dark .feature-list li {
  color: rgba(255, 255, 255, 0.7);
  border-bottom-color: var(--color-gray-700);
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

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

/* Staggered animations (legacy, kept for compatibility) */

/* ==========================================================================
   Service Cards - Reduced Motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .service-card,
  .service-card-featured,
  .service-card *,
  .service-card-featured *,
  .service-link::after {
    transition: none !important;
  }

  .service-card:hover,
  .service-card-featured:hover {
    transform: none;
  }

  /* Legacy stagger disabled */
}

/* ==========================================================================
   FAQ Accordion Styles
   ========================================================================== */
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item-accordion {
  border-bottom: 1px solid var(--color-gray-200);
}

.faq-item-accordion:last-child {
  border-bottom: none;
}

.faq-question-accordion {
  font-size: var(--text-h4);
  font-weight: var(--font-weight-semibold);
  color: var(--color-black);
  padding: var(--space-6) 0;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question-accordion::-webkit-details-marker {
  display: none;
}

.faq-question-accordion::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: var(--font-weight-normal);
  color: var(--color-gray-400);
  transition: transform var(--transition-base);
}

details[open] .faq-question-accordion::after {
  content: '-';
}

.faq-answer-accordion {
  color: var(--color-gray-500);
  padding-bottom: var(--space-6);
  line-height: var(--line-height-relaxed);
  animation: fadeIn 0.3s ease;
}

/* ==========================================================================
   Compact Values Grid
   ========================================================================== */
.values-compact {
  grid-template-columns: repeat(3, 1fr);
}

.values-compact .value-card {
  padding: var(--space-6);
  text-align: left;
}

.values-compact .value-icon {
  display: none;
}

@media (max-width: 768px) {
  .values-compact {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Compact Footer
   ========================================================================== */
.footer-compact {
  padding: var(--space-12) 0 var(--space-6);
}

.footer-grid-compact {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

@media (max-width: 768px) {
  .footer-grid-compact {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

.footer-compact .footer-links {
  flex-direction: row;
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .footer-compact .footer-links {
    flex-direction: column;
    gap: var(--space-3);
  }
}

/* ==========================================================================
   Pure Black Hero for Inner Pages
   ========================================================================== */
.hero-page {
  min-height: 60vh;
  padding-top: var(--header-height);
  background: var(--gradient-hero);
}

.hero-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-page .hero-overlay {
  display: none;
}

.hero-page .hero-title {
  color: #ffffff;
}

.hero-page .hero-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.hero-page .hero-content {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

/* ==========================================================================
   Social Proof Section
   ========================================================================== */
.social-proof {
  text-align: center;
  padding: var(--space-8) 0;
}

.proof-headline {
  color: var(--color-gray-500);
  font-size: var(--text-body);
  margin-bottom: var(--space-8);
}

.proof-metrics {
  display: flex;
  justify-content: center;
  gap: var(--space-16);
  flex-wrap: wrap;
}

.metric {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.metric-number {
  font-family: var(--font-heading);
  font-size: var(--text-h1);
  font-weight: var(--font-weight-bold);
  color: var(--color-black);
  line-height: 1;
}

.metric-label {
  font-size: var(--text-small);
  color: var(--color-gray-500);
  margin-top: var(--space-2);
}

/* ==========================================================================
   Form Trust Signal
   ========================================================================== */
.form-trust {
  text-align: center;
  font-size: var(--text-small);
  color: var(--color-gray-400);
  margin-top: var(--space-4);
}

/* ==========================================================================
   Footer Trust Signal
   ========================================================================== */
.footer-trust {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  text-align: center;
  margin-top: var(--space-4);
}

/* ==========================================================================
   Blog Listing
   ========================================================================== */
.blog-list {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.blog-post-item {
  padding: var(--space-10) 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.blog-post-item:first-child {
  padding-top: 0;
}

.blog-post-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.blog-post-meta .meta-separator {
  display: inline-block;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-gray-400);
}

.blog-post-title {
  font-size: var(--text-h3);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-tight);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-3);
}

.blog-post-title a {
  color: var(--color-black);
  text-decoration: none;
}

.blog-post-title a:hover {
  text-decoration: underline;
}

.blog-post-excerpt {
  color: var(--color-gray-500);
  font-size: var(--text-body);
  line-height: var(--line-height-normal);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Featured post (first item) */
.blog-post-featured {
  padding: var(--space-8);
  background: var(--color-gray-50);
  border-bottom: none;
  border-left: 4px solid var(--color-black);
  margin-bottom: var(--space-8);
}

.blog-post-featured .blog-post-title {
  font-size: var(--text-h2);
}

.blog-post-featured .blog-post-excerpt {
  -webkit-line-clamp: 3;
}

/* ==========================================================================
   Article Content
   ========================================================================== */
.article-header {
  max-width: 68ch;
  margin: 0 auto;
  padding: var(--space-16) var(--space-6) 0;
}

.article-breadcrumb {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  margin-bottom: var(--space-6);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-breadcrumb a {
  color: var(--color-gray-400);
  text-decoration: none;
}

.article-breadcrumb a:hover {
  color: var(--color-black);
}

.article-title {
  font-size: var(--text-h1);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-tight);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-4);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-small);
  color: var(--color-gray-400);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-gray-200);
  margin-bottom: var(--space-8);
}

.article-meta .meta-separator {
  display: inline-block;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-gray-400);
}

.article-body {
  max-width: 68ch;
  margin: 0 auto;
  padding: 0 var(--space-6) var(--space-16);
}

.article-body p {
  font-size: 1.0625rem;
  line-height: var(--line-height-relaxed);
  color: var(--color-gray-700);
  margin-bottom: 1.5em;
}

.article-body h2 {
  font-size: var(--text-h3);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-tight);
  line-height: var(--line-height-tight);
  margin-top: 2.5em;
  margin-bottom: var(--space-4);
  color: var(--color-black);
}

.article-body h3 {
  font-size: var(--text-h4);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-tight);
  line-height: var(--line-height-tight);
  margin-top: 2em;
  margin-bottom: var(--space-3);
  color: var(--color-black);
}

/* Restore list styles inside articles */
.article-body ul {
  list-style: disc;
  padding-left: 1.5em;
  margin-bottom: 1.5em;
}

.article-body ol {
  list-style: decimal;
  padding-left: 1.5em;
  margin-bottom: 1.5em;
}

.article-body li {
  font-size: 1.0625rem;
  line-height: var(--line-height-relaxed);
  color: var(--color-gray-700);
  margin-bottom: 0.4em;
}

.article-body strong {
  color: var(--color-gray-900);
  font-weight: var(--font-weight-semibold);
}

/* Callout (left-border emphasis block) */
.article-body blockquote,
.article-callout {
  border-left: 3px solid var(--color-black);
  padding: var(--space-3) 0 var(--space-3) var(--space-6);
  margin: 2em 0;
  font-size: var(--text-body-lg);
  color: var(--color-gray-600);
}

/* Article bottom divider */
.article-bottom-divider {
  max-width: 68ch;
  margin: 0 auto;
  border: none;
  border-top: 1px solid var(--color-gray-200);
}

/* Related posts (minimal, text-only) */
.related-posts {
  max-width: 68ch;
  margin: 0 auto;
  padding: var(--space-10) var(--space-6);
}

.related-posts-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-400);
  margin-bottom: var(--space-6);
}

.related-post-link {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-gray-100);
  text-decoration: none;
  color: var(--color-black);
  font-weight: var(--font-weight-medium);
}

.related-post-link:hover {
  text-decoration: underline;
}

.related-post-date {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  white-space: nowrap;
  margin-left: var(--space-4);
}

/* ==========================================================================
   Trust Badges
   ========================================================================== */
.trust-badges {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-small);
  color: var(--color-gray-500);
}

/* ==========================================================================
   Breadcrumb Navigation (Visible)
   ========================================================================== */
.breadcrumb-nav {
  font-size: var(--text-small);
  color: var(--color-gray-400);
}

.hero-page .breadcrumb-nav {
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  z-index: 1;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
  color: rgba(255, 255, 255, 0.5);
}

.hero-page .breadcrumb-nav a {
  color: rgba(255, 255, 255, 0.7);
}

.hero-page .breadcrumb-nav a:hover {
  color: #ffffff;
}

.hero-page .breadcrumb-nav .breadcrumb-separator {
  color: rgba(255, 255, 255, 0.4);
}

.hero-page .breadcrumb-nav .breadcrumb-current {
  color: rgba(255, 255, 255, 0.9);
}

.breadcrumb-nav a {
  color: var(--color-gray-500);
  text-decoration: none;
  transition: color 0.2s;
}

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

.breadcrumb-nav .breadcrumb-separator {
  margin: 0 var(--space-2);
  color: var(--color-gray-400);
}

.breadcrumb-nav .breadcrumb-current {
  color: var(--color-gray-700);
}

/* ==========================================================================
   Author Bio
   ========================================================================== */
.author-bio {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-6);
  border: 1px solid var(--color-gray-200);
  border-radius: 8px;
  margin-top: var(--space-8);
}

.author-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-gray-400);
}

.author-info h4 {
  font-size: var(--text-body);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-1);
}

.author-info .author-credentials {
  font-size: var(--text-small);
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.author-info p {
  font-size: var(--text-small);
  color: var(--color-gray-600);
  line-height: var(--line-height-normal);
}

/* ==========================================================================
   Related Posts
   ========================================================================== */
.related-posts {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-200);
}

.related-posts h3 {
  font-size: var(--text-h3);
  margin-bottom: var(--space-6);
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.related-post-card {
  padding: var(--space-6);
  border: 1px solid var(--color-gray-200);
  border-radius: 8px;
  transition: border-color 0.2s;
}

.related-post-card:hover {
  border-color: var(--color-gray-400);
}

.related-post-card h4 {
  margin-bottom: var(--space-2);
}

.related-post-card h4 a {
  color: var(--color-gray-900);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
}

.related-post-card h4 a:hover {
  color: var(--color-accent);
}

.related-post-card p {
  font-size: var(--text-small);
  color: var(--color-gray-600);
}

/* ==========================================================================
   Cloud Solutions - Why Choose Section
   ========================================================================== */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

@media (max-width: 768px) {
  .comparison-grid {
    grid-template-columns: 1fr;
  }
}

.comparison-card {
  padding: var(--space-6);
  border: 1px solid var(--color-gray-200);
  border-radius: 8px;
}

.comparison-card h3 {
  font-size: var(--text-h4);
  margin-bottom: var(--space-4);
}

.comparison-card ul {
  list-style: none;
  padding: 0;
}

.comparison-card ul li {
  padding: var(--space-2) 0;
  font-size: var(--text-small);
  color: var(--color-gray-600);
  position: relative;
  padding-left: var(--space-5);
}

.comparison-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.comparison-card.card-positive ul li::before {
  background: var(--color-accent);
}

.comparison-card.card-neutral ul li::before {
  background: var(--color-gray-300);
}

/* ==========================================================================
   Scroll-Triggered Reveal Animations
   ========================================================================== */
[data-reveal] {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal="up"] {
  transform: translateY(30px);
}

[data-reveal="left"] {
  transform: translateX(-30px);
}

[data-reveal="fade"] {
  /* opacity-only, no transform */
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ==========================================================================
   Enhanced Hover States
   ========================================================================== */

/* Nav link underline slide-in */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

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

/* Value cards: left border appears on hover */
.value-card {
  border-left: 3px solid transparent;
  transition: border-color var(--transition-base), background-color var(--transition-base);
}

.value-card:hover {
  border-left-color: var(--color-accent);
  background-color: var(--color-white);
}

/* FAQ accordion: improved transitions */
.faq-question-accordion {
  transition: color var(--transition-fast);
}

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

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
  .header,
  .footer,
  .scroll-indicator,
  .hero-video-bg,
  .hero-visual {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .hero {
    min-height: auto;
    padding: 2rem 0;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}