/* Main Stylesheet for EDI Soft Landing Page */

/* ==========================================
   1. VARIABLES & SYSTEM SETUP
   ========================================== */
:root {
  /* Fonts */
  --font-primary: 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;

  /* Color Palette (Logo inspired: Purple -> Blue -> Teal) */
  --primary-purple: #8A2BE2;
  --primary-blue: #1E90FF;
  --primary-teal: #00F5FF;
  
  /* Background Colors */
  --bg-deep: #030712;
  --bg-space: #0B0F19;
  --bg-card: rgba(15, 23, 42, 0.45);
  --bg-card-hover: rgba(17, 24, 39, 0.65);
  --bg-header: rgba(3, 7, 18, 0.8);
  
  /* Text Colors */
  --text-white: #ffffff;
  --text-light: #f3f4f6;
  --text-gray: #9ca3af;
  --text-muted: #6b7280;

  /* Borders & Shadows */
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-active: rgba(0, 245, 255, 0.25);
  --shadow-glow-blue: 0 0 25px rgba(30, 144, 255, 0.15);
  --shadow-glow-purple: 0 0 25px rgba(138, 43, 226, 0.15);
  --shadow-glow-teal: 0 0 25px rgba(0, 245, 255, 0.2);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-blue) 50%, var(--primary-teal) 100%);
  --gradient-glow: linear-gradient(135deg, rgba(138, 43, 226, 0.15) 0%, rgba(30, 144, 255, 0.15) 50%, rgba(0, 245, 255, 0.15) 100%);
  --gradient-dark: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-space) 100%);

  /* Animations & Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
}

/* ==========================================
   1b. LIGHT THEME OVERRIDES
   ========================================== */
[data-theme="light"] {
  --bg-deep: #f8fafc;
  --bg-space: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.7);
  --bg-card-hover: rgba(255, 255, 255, 0.9);
  --bg-header: rgba(248, 250, 252, 0.85);

  --text-white: #0f172a;
  --text-light: #1e293b;
  --text-gray: #475569;
  --text-muted: #94a3b8;

  --primary-teal: #0d9488;

  --border-glass: rgba(0, 0, 0, 0.08);
  --border-glass-active: rgba(13, 148, 136, 0.3);
  --shadow-glow-blue: 0 0 25px rgba(30, 144, 255, 0.1);
  --shadow-glow-purple: 0 0 25px rgba(138, 43, 226, 0.1);
  --shadow-glow-teal: 0 0 25px rgba(13, 148, 136, 0.2);

  --gradient-glow: linear-gradient(135deg, rgba(138, 43, 226, 0.08) 0%, rgba(30, 144, 255, 0.08) 50%, rgba(13, 148, 136, 0.08) 100%);
  --gradient-dark: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}

/* Hide content until the saved language is applied (set by inline script in <head>) */
.i18n-pending body {
  visibility: hidden;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

[data-theme="light"] .bg-glow {
  opacity: 0.1;
}

[data-theme="light"] .hero-visual-container {
  filter: drop-shadow(0 0 30px rgba(30, 144, 255, 0.08));
}

[data-theme="light"] .tech-grid-svg circle {
  stroke: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .contact-form input,
[data-theme="light"] .contact-form textarea {
  background: rgba(0, 0, 0, 0.02);
  color: var(--text-white);
}

[data-theme="light"] .contact-form input:focus,
[data-theme="light"] .contact-form textarea:focus {
  background: rgba(255, 255, 255, 0.8);
}

[data-theme="light"] .header.scrolled {
  background: rgba(248, 250, 252, 0.95);
}

[data-theme="light"] .mobile-nav-panel {
  background: rgba(248, 250, 252, 0.97);
}

[data-theme="light"] .modal-overlay {
  background: rgba(248, 250, 252, 0.85);
}

[data-theme="light"] .btn-primary {
  color: #ffffff;
}

[data-theme="light"] .mobile-nav-link-cta {
  color: #ffffff !important;
}

[data-theme="light"] .timeline-step.active .timeline-dot {
  color: #ffffff;
}

/* Base resets & styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--bg-deep);
  color: var(--text-gray);
  line-height: 1.6;
  overflow-x: hidden;
}

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

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  transition: var(--transition-smooth);
}

/* One hover language for every interactive card: lift 4px, accent border, soft blue glow */
.glass-card:hover,
.service-item:hover,
.timeline-content:hover {
  border-color: var(--border-glass-active);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-blue);
}

/* Large static containers (form, commitments) stay still */
.commit-container:hover,
.contact-form-wrapper:hover {
  transform: none;
  border-color: var(--border-glass);
  background: var(--bg-card);
  box-shadow: none;
}

/* Background Atmospheric Glows */
/* Clips the glows horizontally so they never widen the page (overflow on html/body can't do this:
   it is propagated to the viewport, which still allows sideways scrolling on mobile) */
.bg-glows {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden; /* fallback */
  overflow-x: clip;
  overflow-y: visible;
  pointer-events: none;
  z-index: -1;
}

.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(150px);
  z-index: -1;
  pointer-events: none;
  opacity: 0.35;
}
.bg-glow-1 {
  top: -10%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: var(--primary-purple);
}
.bg-glow-2 {
  top: 40%;
  left: -15%;
  width: 600px;
  height: 600px;
  background: var(--primary-blue);
}
.bg-glow-3 {
  bottom: 10%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: var(--primary-teal);
}

/* Typography & Titles */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-white);
  font-weight: 700;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-subtitle {
  font-family: var(--font-primary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
  color: var(--primary-teal);
  display: inline-block;
  margin-bottom: 0.75rem;
  position: relative;
}

.section-subtitle::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--gradient-primary);
}

.section-title {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.125rem;
  max-width: 700px;
  margin: 0 auto;
  color: var(--text-gray);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-card);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-glass);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gradient-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  gap: 0.5rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-white);
  border: none;
  box-shadow: var(--shadow-glow-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(0, 245, 255, 0.4);
  filter: brightness(1.1);
}

.btn-secondary {
  background: transparent;
  color: var(--text-white);
  border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--primary-blue);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

.btn-block {
  width: 100%;
}

/* Hide SVG definitions */
.svg-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* ==========================================
   3. HEADER & NAVIGATION
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glass);
  z-index: 1000;
  transition: var(--transition-smooth);
}

.header.scrolled {
  padding: 0.5rem 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  background: rgba(3, 7, 18, 0.95);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  transition: var(--transition-smooth);
}

.header.scrolled .header-container {
  height: 64px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-img {
  width: 40px;
  height: 40px;
  border-radius: 20%;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-glow-blue);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: 0.5px;
}

.desktop-nav .nav-list {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-gray);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.nav-link:hover {
  color: var(--primary-teal);
}

.nav-link.active {
  color: var(--primary-teal);
  position: relative;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-teal);
  border-radius: 2px;
  box-shadow: 0 0 10px var(--primary-teal);
}

.section-highlight {
  box-shadow: inset 0 0 60px rgba(0, 245, 255, 0.04);
  border-color: rgba(0, 245, 255, 0.15);
  transition: all 0.4s ease;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Language Toggle Button */
.lang-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-gray);
  cursor: pointer;
  transition: var(--transition-smooth);
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.lang-toggle:hover {
  background: var(--gradient-glow);
  border-color: var(--primary-teal);
  color: var(--primary-teal);
  transform: scale(1.05);
}

[data-theme="light"] .lang-toggle {
  background: rgba(0, 0, 0, 0.04);
}

/* Theme Toggle Button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-gray);
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
}

.theme-toggle:hover {
  background: var(--gradient-glow);
  border-color: var(--primary-teal);
  color: var(--primary-teal);
  transform: scale(1.05);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  position: absolute;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.theme-toggle .icon-sun {
  opacity: 0;
  transform: rotate(-90deg) scale(0);
}

.theme-toggle .icon-moon {
  opacity: 1;
  transform: rotate(0) scale(1);
}

[data-theme="light"] .theme-toggle {
  background: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .theme-toggle .icon-sun {
  opacity: 1;
  transform: rotate(0) scale(1);
}

[data-theme="light"] .theme-toggle .icon-moon {
  opacity: 0;
  transform: rotate(90deg) scale(0);
}

/* Mobile Hamburger Menu */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 44px; /* 44px tap target, bars stay 24x18 via padding */
  height: 44px;
  padding: 13px 10px;
  margin-right: -10px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1010;
}

.hamburger-bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-white);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

.mobile-nav-toggle.open .hamburger-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-nav-toggle.open .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle.open .hamburger-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Navigation Panel */
.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background: rgba(3, 7, 18, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid var(--border-glass);
  padding: 100px 2rem 2rem;
  z-index: 999;
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-nav-panel.open {
  right: 0;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  list-style: none;
  gap: 1.75rem;
}

.mobile-nav-link {
  font-size: 1.15rem;
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--text-light);
  text-decoration: none;
  display: block;
  transition: var(--transition-smooth);
}

.mobile-nav-link:hover {
  color: var(--primary-teal);
  padding-left: 8px;
}

.mobile-nav-link-cta {
  background: var(--gradient-primary);
  -webkit-background-clip: initial;
  -webkit-text-fill-color: initial;
  color: var(--text-white) !important;
  text-align: center;
  padding: 0.75rem;
  border-radius: var(--border-radius-sm);
  margin-top: 1rem;
}

/* ==========================================
   4. HERO SECTION
   ========================================== */
.hero-section {
  padding: 180px 0 100px;
  position: relative;
  min-height: min(90vh, 860px); /* cap so tall/portrait screens don't get huge empty bands */
  display: flex;
  align-items: center;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 4rem;
}

.badge-tech {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  padding: 0.5rem 1rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-light);
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--primary-teal);
  box-shadow: 0 0 10px var(--primary-teal);
  animation: pulse-glow 2s infinite;
}

.hero-title {
  font-size: 3.25rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-gray);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-cta-group {
  display: flex;
  gap: 1.25rem;
}

.hero-graphics {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-visual-container {
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1;
  position: relative;
  filter: drop-shadow(0 0 30px rgba(30,144,255,0.15));
}

/* Animations for Hero Visual */
@keyframes pulse-glow {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.7; }
  100% { transform: scale(1); opacity: 1; }
}

.orbit-1 {
  transform-origin: 200px 200px;
  animation: orbit-clock 20s linear infinite;
}
.orbit-2 {
  transform-origin: 200px 200px;
  animation: orbit-counter 25s linear infinite;
}
.orbit-3 {
  transform-origin: 200px 200px;
  animation: orbit-clock 15s linear infinite;
}

@keyframes orbit-clock {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes orbit-counter {
  from { transform: rotate(0deg); }
  to { transform: rotate(-360deg); }
}

/* Floating Tech Icons around Hero Visual */
.float-icon {
  position: absolute;
  z-index: 5;
  pointer-events: none;
}

.float-icon-inner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-glass);
  border-radius: 100px;
  font-family: var(--font-primary);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-gray);
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: var(--transition-smooth);
}

.float-icon-inner svg {
  color: var(--primary-teal);
  flex-shrink: 0;
}

/* Positions around the circle */
.float-icon-odoo {
  top: -4%;
  left: -4%;
  animation: float-drift 6s ease-in-out infinite;
}

.float-icon-ai {
  top: -2%;
  right: -6%;
  animation: float-drift 7s ease-in-out 0.5s infinite;
}

.float-icon-chatbot {
  bottom: 0%;
  left: -8%;
  animation: float-drift 8s ease-in-out 1s infinite;
}

.float-icon-devops {
  bottom: 4%;
  right: -4%;
  animation: float-drift 5.5s ease-in-out 1.5s infinite;
}

.float-icon-api {
  top: 44%;
  right: -10%;
  animation: float-drift 6.5s ease-in-out 0.8s infinite;
}

.float-icon-ocr {
  top: -10%;
  left: 34%;
  animation: float-drift 6s ease-in-out 0.3s infinite;
}

.float-icon-rpa {
  top: 44%;
  left: -10%;
  animation: float-drift 7s ease-in-out 1.2s infinite;
}

.float-icon-mobile {
  bottom: -8%;
  left: 34%;
  animation: float-drift 5.5s ease-in-out 0.6s infinite;
}

@keyframes float-drift {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* Light mode adjustments for floating icons */
[data-theme="light"] .float-icon-inner {
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* ==========================================
   5. ABOUT SECTION
   ========================================== */
.about-section {
  padding: 100px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.about-info-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-lg);
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.about-card-title {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  color: var(--text-white);
}

.about-card-text {
  font-size: 1.05rem;
  color: var(--text-gray);
  margin-bottom: 2.5rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: start;
  gap: 1.5rem;
  border-top: 1px solid var(--border-glass);
  padding-top: 2rem;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  display: block;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.about-feature-list {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2.5rem;
}

.feature-item-mini {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.feature-mini-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  background: var(--gradient-glow);
  border: 1px solid var(--border-glass);
  color: var(--primary-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow-teal);
}

.feature-mini-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-white);
}

.feature-mini-desc {
  color: var(--text-gray);
}

/* ==========================================
   6. STRENGTHS SECTION (Why us)
   ========================================== */
.strengths-section {
  padding: 100px 0;
}

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.strength-card {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
}

.strength-icon-container {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: var(--transition-smooth);
}

.strength-card:hover .strength-icon-container {
  background: var(--gradient-glow);
  border-color: var(--primary-teal);
  transform: scale(1.05);
}

.strength-card-title {
  font-size: 1.35rem;
  margin-bottom: 1rem;
  color: var(--text-white);
}

.strength-card-text {
  font-size: 0.95rem;
  color: var(--text-gray);
  line-height: 1.6;
}

/* ==========================================
   7. SERVICES SECTION
   ========================================== */
.services-section {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg-space) 0%, var(--bg-deep) 100%);
}

.services-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.service-item {
  display: flex;
  gap: 3rem;
  padding: 2.5rem;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  transition: var(--transition-smooth);
  align-items: center;
}

.service-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--text-muted);
  opacity: 0.4;
  transition: var(--transition-smooth);
}

.service-item:hover .service-number {
  color: var(--primary-teal);
  opacity: 1;
  text-shadow: 0 0 15px rgba(0, 245, 255, 0.4);
}

.service-body {
  flex-grow: 1;
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-white);
}

.service-desc-text {
  color: var(--text-gray);
  max-width: 850px;
}

/* ==========================================
   8. PROCESS SECTION
   ========================================== */
.process-section {
  padding: 100px 0;
}

.timeline-container {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline-line {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: rgba(255, 255, 255, 0.05);
  transform: translateX(-50%);
  z-index: 1;
}

.timeline-step {
  position: relative;
  display: flex;
  margin-bottom: 1.5rem;
  z-index: 2;
}

/* Alternating layout: pull each step up alongside the previous card (they sit on opposite sides) */
@media (min-width: 769px) {
  .timeline-step {
    margin-bottom: 0;
  }
  .timeline-step + .timeline-step {
    margin-top: -6rem;
  }
  /* Overlapping rows are transparent: let the pointer reach the card underneath */
  .timeline-step {
    pointer-events: none;
  }
  .timeline-content,
  .timeline-dot {
    pointer-events: auto;
  }
}

.timeline-step:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  top: 0;
  left: 50%;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 2px solid var(--border-glass);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  transform: translateX(-50%);
  transition: var(--transition-smooth);
  font-family: var(--font-display);
}

.timeline-content {
  width: 44%;
  padding: 2rem;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  transition: var(--transition-smooth);
}

/* Alternating timeline layout */
.timeline-step:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-step:nth-child(odd) .timeline-content {
  margin-right: auto;
}

.timeline-step:nth-child(even) .timeline-content {
  margin-left: auto;
}

.timeline-step-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-white);
  transition: var(--transition-smooth);
}

.timeline-step-desc {
  font-size: 0.95rem;
  color: var(--text-gray);
  line-height: 1.6;
}

/* Active and Hover States of Timeline */
.timeline-step.active .timeline-dot {
  background: var(--gradient-primary);
  border-color: var(--text-white);
  color: var(--text-white);
  box-shadow: var(--shadow-glow-blue);
}

.timeline-step.active .timeline-content {
  border-color: var(--border-glass-active);
  box-shadow: var(--shadow-glow-blue);
}

.timeline-step.active .timeline-step-title {
  color: var(--primary-teal);
}

/* ==========================================
   9. PORTFOLIO SECTION (Projects)
   ========================================== */
.portfolio-section {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-space) 100%);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 4rem;
}

.portfolio-card {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
}

.portfolio-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.portfolio-client {
  font-size: 1.5rem;
  font-family: var(--font-display);
}

.portfolio-tag {
  font-size: 0.8rem;
  background: rgba(0, 245, 255, 0.08);
  border: 1px solid rgba(0, 245, 255, 0.2);
  color: var(--primary-teal);
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  font-weight: 500;
}

.portfolio-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--primary-blue);
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: 0.5px;
}

.portfolio-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.portfolio-pill {
  font-size: 0.8rem;
  background: rgba(30, 144, 255, 0.08);
  border: 1px solid rgba(30, 144, 255, 0.2);
  color: var(--primary-blue);
  padding: 0.25rem 0.85rem;
  border-radius: 100px;
  font-weight: 500;
  white-space: nowrap;
}

.portfolio-role-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}

.portfolio-role-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-gray);
  line-height: 1.5;
}

.portfolio-role-item svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--primary-teal);
}

.portfolio-summary-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 900px;
  margin: 0 auto;
  border-top: 1px solid var(--border-glass);
  padding-top: 3rem;
}

.value-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.value-icon {
  color: var(--primary-teal);
  flex-shrink: 0;
  margin-top: 2px;
}

.value-item p {
  color: var(--text-light);
  font-size: 1rem;
}

/* ==========================================
   10. TEAM SECTION
   ========================================== */
.team-section {
  padding: 100px 0;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.team-card {
  padding: 2rem 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.team-summary-num {
  font-family: var(--font-display);
  font-size: 4.5rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 1.5rem;
}

.member-avatar-wrapper {
  width: 112px;
  height: 112px;
  border-radius: 50%;
  background: var(--gradient-primary);
  padding: 3px;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-glow-blue);
}

.member-avatar-img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-space);
}

.member-name {
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
}

.member-role {
  font-size: 0.85rem;
  color: var(--primary-teal);
  font-weight: 600;
  margin-bottom: 1rem;
}

.member-linkedin {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-light);
  text-decoration: none;
  border-bottom: 1.5px solid transparent;
  transition: var(--transition-smooth);
}

.member-linkedin:hover {
  color: var(--primary-blue);
  border-color: var(--primary-blue);
}

.member-detail-list {
  list-style: none;
  align-self: stretch;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.member-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.87rem;
  color: var(--text-gray);
  line-height: 1.5;
}

.member-detail-item svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--primary-teal);
}

/* ==========================================
   11. COMMITMENTS SECTION
   ========================================== */
.commit-section {
  padding: 60px 0 100px;
}

.commit-container {
  padding: 4rem;
  border-radius: var(--border-radius-lg);
}

.commit-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.commit-title {
  font-size: 2.25rem;
  margin-top: 0.5rem;
}

.commit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.commit-item {
  border-left: 2px stroke transparent;
  position: relative;
  padding-left: 1.5rem;
}

.commit-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  background: var(--gradient-primary);
}

.commit-item-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.commit-item-desc {
  font-size: 0.95rem;
  color: var(--text-gray);
  line-height: 1.6;
}

/* ==========================================
   12. CONTACT SECTION
   ========================================== */
.contact-section {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg-space) 0%, var(--bg-deep) 100%);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

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

.contact-intro {
  font-size: 1.1rem;
  color: var(--text-gray);
  margin-bottom: 3rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-detail-item {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-teal);
  box-shadow: var(--shadow-glow-teal);
}

.contact-label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.contact-value {
  display: inline-block;
  padding: 0.4rem 0; /* taller tap target */
  font-size: 1.2rem;
  overflow-wrap: anywhere;
  color: var(--text-white);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-smooth);
}

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

/* Contact Form */
.contact-form-wrapper {
  padding: 3rem;
  border-radius: var(--border-radius-lg);
}

.form-group {
  margin-bottom: 1.75rem;
  position: relative;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.contact-form label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.required-star {
  color: #ff3366;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-sm);
  padding: 0.875rem 1.25rem;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  color: var(--text-white);
  transition: var(--transition-smooth);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary-teal);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 15px rgba(0, 245, 255, 0.15);
}

.contact-form textarea {
  resize: vertical;
}

.error-msg {
  display: block;
  font-size: 0.8rem;
  color: #ff3366;
  margin-top: 0.35rem;
  min-height: 18px;
}

.form-consent label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-gray);
  cursor: pointer;
}

.contact-form .form-consent input {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  padding: 0;
  accent-color: var(--primary-blue);
}

.form-submit-error {
  text-align: center;
  margin-top: 1rem;
}

/* ==========================================
   13. FOOTER
   ========================================== */
.footer {
  padding: 5rem 0 2.5rem;
  border-top: 1px solid var(--border-glass);
  background-color: var(--bg-deep);
}

.footer-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand .logo-area {
  margin-bottom: 1.5rem;
}

.footer-desc {
  max-width: 380px;
  line-height: 1.7;
}

.footer-links-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 1.5rem;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  row-gap: 0.5rem;
}

.footer-links-list a {
  display: inline-block;
  padding: 0.5rem 0; /* taller tap target */
  color: var(--text-gray);
  text-decoration: none;
  transition: var(--transition-smooth);
}

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

.footer-bottom {
  grid-column: span 2;
  border-top: 1px solid var(--border-glass);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ==========================================
   14. INTERACTIVES & MODALS
   ========================================== */
/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-glass);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow-blue);
}

/* Success Modal overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(3, 7, 18, 0.8);
  backdrop-filter: blur(16px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

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

.modal-content {
  max-width: 500px;
  width: 90%;
  padding: 3rem;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
  transform: scale(0.9);
  transition: var(--transition-smooth);
}

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

.modal-icon-success {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(0, 245, 255, 0.08);
  border: 2px solid var(--primary-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  box-shadow: var(--shadow-glow-teal);
}

.modal-title {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.modal-desc {
  color: var(--text-gray);
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* Scroll reveal initial states */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   15. RESPONSIVE BREAKPOINTS
   ========================================== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
    padding-top: 40px;
  }
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-visual-container {
    max-width: 320px;
  }
  .float-icon-ai,
  .float-icon-api,
  .float-icon-rpa,
  .float-icon-mobile {
    display: none;
  }
  .float-icon-odoo {
    top: -6%;
    left: 0%;
  }
  .float-icon-ocr {
    top: -12%;
    left: 28%;
  }
  .float-icon-chatbot {
    bottom: -2%;
    left: -4%;
  }
  .float-icon-devops {
    bottom: 2%;
    right: 0%;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .strengths-grid {
    grid-template-columns: 1fr 1fr;
  }
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .commit-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .contact-container {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  .desktop-nav {
    display: none;
  }
  .mobile-nav-toggle {
    display: flex;
  }
  #btn-header-cta {
    display: none;
  }
  .section-title {
    font-size: 2.25rem;
  }
  .hero-title {
    font-size: 2.5rem;
  }
  .float-icon-ocr {
    display: none;
  }
  .float-icon-odoo {
    top: -8%;
    left: 2%;
  }
  .float-icon-chatbot {
    bottom: -4%;
    left: 0%;
  }
  .float-icon-devops {
    bottom: -2%;
    right: 2%;
  }
  .strengths-grid {
    grid-template-columns: 1fr;
  }
  .service-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 2rem;
  }
  .service-number {
    font-size: 2.5rem;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .portfolio-summary-values {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .team-grid {
    grid-template-columns: 1fr 1fr;
  }
  .timeline-line {
    left: 20px;
  }
  .timeline-dot {
    left: 20px;
  }
  .timeline-content {
    width: calc(100% - 50px);
    margin-left: 50px !important;
  }
  .timeline-step:nth-child(even) {
    flex-direction: row;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .footer-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .footer-bottom {
    grid-column: span 1;
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 500px) {
  .team-grid {
    grid-template-columns: 1fr;
  }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  .hero-cta-group .btn {
    width: 100%;
  }
  .contact-form-wrapper {
    padding: 1.75rem;
  }
  .float-icon-chatbot {
    display: none;
  }
  .float-icon-odoo {
    top: -10%;
    left: 4%;
  }
  .float-icon-devops {
    bottom: -4%;
    right: 4%;
  }
}

/* ==========================================
   16. RESPONSIVE SPACING (tablet & mobile)
   ========================================== */
.logo-text,
.nav-link,
.btn {
  white-space: nowrap;
}

.hero-section {
  overflow-x: clip; /* floating icons must never widen the page */
}

/* Narrow two-column hero: pull the right-side icons inside the viewport */
@media (min-width: 1025px) and (max-width: 1200px) {
  .float-icon-api {
    right: -3%;
  }
  .float-icon-ai {
    right: -2%;
  }
}

/* The 4-item desktop menu fits from ~860px (EN is the longest); below 900px use the hamburger menu */
@media (max-width: 900px) {
  .desktop-nav {
    display: none;
  }
  .mobile-nav-toggle {
    display: flex;
  }
}

@media (max-width: 1024px) {
  .hero-section {
    min-height: auto;
    padding: 140px 0 80px;
  }
  .hero-container {
    gap: 4.5rem; /* room for the floating icons above the visual */
  }
  .about-section,
  .strengths-section,
  .services-section,
  .process-section,
  .portfolio-section,
  .team-section,
  .contact-section {
    padding: 80px 0;
  }
  .commit-section {
    padding: 40px 0 80px;
  }
  .commit-container {
    padding: 3rem 2.5rem;
  }
}

@media (max-width: 768px) {
  .hero-section {
    padding: 112px 0 56px;
  }
  .about-section,
  .strengths-section,
  .services-section,
  .process-section,
  .portfolio-section,
  .team-section,
  .contact-section {
    padding: 64px 0;
  }
  .commit-section {
    padding: 24px 0 64px;
  }
  .section-header {
    margin-bottom: 2.5rem;
  }
  .section-desc {
    font-size: 1rem;
  }
  /* Service number sits beside the title instead of on its own row */
  .service-item {
    flex-direction: row;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.75rem 1.5rem;
  }
  .service-number {
    font-size: 2rem;
  }
  .service-title {
    font-size: 1.25rem;
  }
  .strength-card,
  .portfolio-card {
    padding: 1.75rem;
  }
  .about-info-card {
    padding: 2rem;
  }
  .commit-container {
    padding: 2.5rem 1.75rem;
  }
  .commit-title {
    font-size: 1.75rem;
  }
  .contact-container {
    gap: 3rem;
  }
  .form-group {
    margin-bottom: 1.1rem;
  }
}

/* Small tablets: keep two columns instead of full-width single cards */
@media (min-width: 601px) and (max-width: 768px) {
  .strengths-grid,
  .portfolio-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }
}

@media (max-width: 500px) {
  .container {
    padding: 0 1.25rem;
  }
  .hero-title {
    font-size: 2.125rem;
  }
  .hero-description {
    font-size: 1rem;
    margin-bottom: 2rem;
  }
  .hero-visual-container {
    max-width: 260px;
  }
  .section-title {
    font-size: 1.875rem;
  }
  .service-item {
    padding: 1.5rem 1.25rem;
  }
  .strength-card,
  .portfolio-card,
  .about-info-card,
  .contact-form-wrapper {
    padding: 1.5rem 1.25rem;
  }
  .team-card {
    padding: 1.75rem 1.25rem;
  }
  .commit-container {
    padding: 2rem 1.25rem;
  }
  .commit-item {
    padding-left: 1.25rem;
  }
  .about-stats {
    gap: 1rem;
  }
  .stat-num {
    font-size: 1.75rem;
  }
  .contact-value {
    font-size: 1.05rem;
  }
}

/* ==========================================
   17. ENGAGEMENT MODELS
   ========================================== */
.engagement-section {
  padding: 100px 0;
}

.engagement-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.engage-card {
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
}

.engage-card .strength-icon-container {
  margin-bottom: 1.25rem;
}

.engage-card-title {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.engage-card-text {
  font-size: 0.95rem;
  color: var(--text-gray);
  flex-grow: 1;
  margin-bottom: 1.25rem;
}

.engage-fit {
  font-size: 0.875rem;
  color: var(--text-light);
  border-top: 1px solid var(--border-glass);
  padding-top: 1rem;
}

.engage-fit-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary-teal);
  margin-bottom: 0.25rem;
}

.engage-footer {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
  color: var(--text-gray);
}

/* ==========================================
   18. FAQ (native <details> accordion, no JS)
   ========================================== */
.faq-section {
  padding: 100px 0;
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item:hover,
.faq-item[open] {
  border-color: var(--border-glass-active);
}

.faq-item[open] {
  box-shadow: var(--shadow-glow-blue);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--border-radius-md);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

.faq-q {
  font-size: 1.05rem;
  line-height: 1.4;
}

.faq-icon {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  margin-top: -5px;
  border-right: 2px solid var(--text-gray);
  border-bottom: 2px solid var(--text-gray);
  transform: rotate(45deg);
  transition: transform 0.3s ease, margin 0.3s ease;
}

.faq-item[open] .faq-icon {
  margin-top: 5px;
  transform: rotate(-135deg);
  border-color: var(--primary-teal);
}

.faq-a {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-gray);
  line-height: 1.7;
}

/* Responsive for sections 17–18 (same spacing scale as section 16) */
@media (max-width: 1024px) {
  .engagement-section,
  .faq-section {
    padding: 80px 0;
  }
  .engagement-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .engagement-section,
  .faq-section {
    padding: 64px 0;
  }
}

@media (max-width: 600px) {
  .engagement-grid {
    grid-template-columns: 1fr;
  }
  .engage-card {
    padding: 1.5rem 1.25rem;
  }
  .faq-item summary {
    padding: 1.1rem 1.25rem;
  }
  .faq-a {
    padding: 0 1.25rem 1.1rem;
  }
}

/* ==========================================
   19. TECH STACK STRIP
   ========================================== */
.tech-strip {
  padding: 0; /* the next section already provides top spacing */
}

.tech-label {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.tech-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.tech-list li {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-glass);
  border-radius: 999px;
  background: var(--bg-card);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-light);
}

/* ==========================================
   20. AI & AUTOMATION (Claude + MCP)
   ========================================== */
.ai-section {
  padding: 100px 0;
}

.ai-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
  align-items: center;
}

.ai-caps {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.ai-cap {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.ai-cap .strength-icon-container {
  flex-shrink: 0;
  margin-bottom: 0;
}

.ai-cap-title {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.ai-cap-desc {
  font-size: 0.95rem;
  color: var(--text-gray);
}

.ai-demo {
  padding: 1.5rem;
}

/* The demo is not clickable: no hover lift */
.ai-demo:hover {
  transform: none;
  border-color: var(--border-glass);
  background: var(--bg-card);
  box-shadow: none;
}

.ai-chat-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-white);
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-glass);
}

.ai-chat-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-teal);
  box-shadow: 0 0 8px var(--primary-teal);
}

.ai-chat-badge {
  margin-left: auto;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border-glass);
  border-radius: 999px;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

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

.ai-msg {
  max-width: 88%;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  font-size: 0.92rem;
  line-height: 1.55;
}

.ai-msg-user {
  align-self: flex-end;
  background: var(--gradient-primary);
  color: #ffffff;
  border-bottom-right-radius: 4px;
}

.ai-msg-bot {
  align-self: flex-start;
  background: rgba(127, 127, 127, 0.1);
  border: 1px solid var(--border-glass);
  color: var(--text-light);
  border-bottom-left-radius: 4px;
}

.ai-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-glass);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-gray);
}

.ai-flow span:not(.ai-flow-arrow) {
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  background: var(--bg-card);
}

.ai-flow-arrow {
  color: var(--primary-teal);
}

/* ==========================================
   21. PORTFOLIO VALUE + ZALO BUTTON
   ========================================== */
.portfolio-value {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-glass);
  font-size: 0.92rem;
  color: var(--text-light);
}

.portfolio-value .portfolio-label {
  display: block;
  margin-bottom: 0.35rem;
}

/* Floating chat buttons, bottom-right, stacked upward: Zalo → Messenger → back-to-top.
   Each step = 52px button + 12px gap; --float-edge is the distance from the screen edge. */
:root {
  --float-edge: 2rem;
  --float-step: 64px;
}

.chat-float {
  position: fixed;
  right: var(--float-edge);
  bottom: var(--float-edge);
  z-index: 99;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.chat-float:hover {
  transform: translateY(-3px);
}

.chat-float:focus-visible {
  outline: 2px solid var(--primary-teal);
  outline-offset: 3px;
}

.chat-zalo {
  background: #0068ff;
  box-shadow: 0 6px 20px rgba(0, 104, 255, 0.35);
}

.chat-messenger {
  bottom: calc(var(--float-edge) + var(--float-step));
  background: linear-gradient(45deg, #0099ff 0%, #a033ff 60%, #ff5280 100%);
  box-shadow: 0 6px 20px rgba(160, 51, 255, 0.35);
}

/* Back-to-top (48px) sits above both chat buttons, centered on the same axis */
.back-to-top {
  right: calc(var(--float-edge) + 2px);
  bottom: calc(var(--float-edge) + 2 * var(--float-step));
}

/* Responsive for sections 19–21 */
@media (max-width: 1024px) {
  .ai-section {
    padding: 80px 0;
  }
  .ai-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .ai-section {
    padding: 64px 0;
  }
  :root {
    --float-edge: 1.25rem;
  }
}

@media (max-width: 500px) {
  .tech-list {
    gap: 0.5rem;
  }
  .tech-list li {
    padding: 0.4rem 0.85rem;
    font-size: 0.85rem;
  }
  .ai-demo {
    padding: 1.25rem;
  }
  .ai-msg {
    max-width: 95%;
  }
}