/* ==========================================================================
   PRESTALINK - DESIGN SYSTEM & STYLESHEET
   Direction Artistique : Obsidian Cyber Luxury (Dark High-Tech B2B)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');

/* --- Custom Variables --- */
:root {
  /* Colors */
  --bg-primary: #07090E;
  --bg-secondary: #0D111A;
  --bg-tertiary: #131926;
  --bg-card: rgba(19, 25, 38, 0.7);
  --bg-card-hover: rgba(28, 37, 56, 0.85);
  
  --accent-cyan: #00F0FF;
  --accent-cyan-glow: rgba(0, 240, 255, 0.35);
  --accent-indigo: #6366F1;
  --accent-indigo-glow: rgba(99, 102, 241, 0.35);
  --accent-violet: #8B5CF6;
  --accent-violet-glow: rgba(139, 92, 246, 0.35);
  --accent-emerald: #10B981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.25);
  --accent-amber: #F59E0B;
  
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-inverse: #07090E;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.15);
  --border-glow: rgba(0, 240, 255, 0.4);
  --border-glow-indigo: rgba(99, 102, 241, 0.4);
  
  /* Gradients */
  --grad-cyan-indigo: linear-gradient(135deg, #00F0FF 0%, #6366F1 50%, #8B5CF6 100%);
  --grad-text-glow: linear-gradient(135deg, #FFFFFF 20%, #CBD5E1 60%, #94A3B8 100%);
  --grad-card: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
  --grad-hero-radial: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.18) 0%, rgba(0, 240, 255, 0.08) 35%, transparent 70%);

  /* Typography */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 20px 50px -15px rgba(0, 0, 0, 0.8);
  --shadow-glow-cyan: 0 0 35px -5px rgba(0, 240, 255, 0.3);
  --shadow-glow-indigo: 0 0 35px -5px rgba(99, 102, 241, 0.35);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Layout */
  --container-width: 1240px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

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

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Noise texture overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 0);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 1;
  opacity: 0.6;
}

/* Interactive Canvas Background */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.85;
}

/* Typography styles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

h1 { font-size: clamp(2.4rem, 5.2vw, 4.1rem); }
h2 { font-size: clamp(2rem, 3.8vw, 3rem); }
h3 { font-size: clamp(1.35rem, 2.4vw, 1.85rem); }
h4 { font-size: 1.25rem; font-weight: 600; }

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  font-weight: 400;
}

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

ul {
  list-style: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

/* --- Container & Grid --- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  position: relative;
  z-index: 2;
}

.section-padding {
  padding-top: 6.5rem;
  padding-bottom: 6.5rem;
}

@media (max-width: 768px) {
  .section-padding {
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
  }
}

/* --- Badges & Micro UI --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #A5B4FC;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
}

.badge-cyan {
  background: rgba(0, 240, 255, 0.08);
  border-color: rgba(0, 240, 255, 0.3);
  color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: #34D399;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  position: relative;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: 50%;
  border: 1px solid var(--accent-cyan);
  animation: pulse-ring 2s infinite cubic-bezier(0.215, 0.61, 0.355, 1);
}

@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* --- Gradient Texts --- */
.text-gradient-cyan-indigo {
  background: var(--grad-cyan-indigo);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.975rem;
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
  text-align: center;
  z-index: 1;
}

.btn-primary {
  background: var(--grad-cyan-indigo);
  color: #07090E;
  font-weight: 700;
  box-shadow: var(--shadow-glow-cyan);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0) 60%);
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: -1;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.6), 0 5px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover::before {
  opacity: 0.25;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  color: #FFFFFF;
}

.btn-outline-glow {
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.4);
  color: #A5B4FC;
}

.btn-outline-glow:hover {
  background: rgba(99, 102, 241, 0.2);
  border-color: var(--accent-indigo);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow-indigo);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1.05rem 2.25rem;
  font-size: 1.05rem;
}

/* --- Glassmorphism Cards --- */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.glass-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-medium);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.glass-card-glow:hover {
  border-color: var(--border-glow);
  box-shadow: 0 10px 40px -10px rgba(0, 240, 255, 0.15);
}

/* --- Header & Navbar --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  transition: all var(--transition-smooth);
}

.header.scrolled {
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.brand-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--grad-cyan-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #07090E;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

.brand-logo span.dot {
  color: var(--accent-cyan);
}

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

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link:hover, .nav-link.active {
  color: #FFFFFF;
}

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

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

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

.mobile-toggle {
  display: none;
  background: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 110;
}

@media (max-width: 992px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-medium);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    padding: 3rem 2rem;
    transition: right var(--transition-smooth);
    z-index: 105;
    box-shadow: -20px 0 50px rgba(0, 0, 0, 0.8);
  }

  .nav-menu.open {
    right: 0;
  }

  .mobile-toggle {
    display: block;
  }

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

/* --- Hero Section --- */
.hero-section {
  position: relative;
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 6rem;
  background: var(--grad-hero-radial);
  overflow: hidden;
}

.hero-glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 1;
}

.hero-glow-1 {
  top: 15%;
  left: 20%;
  width: 380px;
  height: 380px;
  background: rgba(0, 240, 255, 0.12);
}

.hero-glow-2 {
  top: 25%;
  right: 15%;
  width: 450px;
  height: 450px;
  background: rgba(99, 102, 241, 0.14);
}

.hero-content {
  text-align: center;
  max-width: 940px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-badge-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 1.75rem;
}

.hero-title {
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto 2.5rem;
  color: #CBD5E1;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Hero Key Indicators Ticker */
.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: rgba(13, 17, 26, 0.7);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
}

.stat-item {
  text-align: center;
  padding: 0.5rem;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--border-subtle);
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 2.5vw, 2.25rem);
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 0.25rem;
  background: linear-gradient(180deg, #FFFFFF 0%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

@media (max-width: 768px) {
  .hero-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .stat-item:nth-child(2)::after {
    display: none;
  }
}

/* --- Tech Ecosystem & Marquee --- */
.tech-marquee-section {
  padding: 2.5rem 0 3.5rem;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(13, 17, 26, 0.4);
  overflow: hidden;
  position: relative;
}

.marquee-title {
  text-align: center;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.marquee-track {
  display: flex;
  gap: 3rem;
  width: max-content;
  animation: marquee-scroll 32s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.tech-tag {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-glow);
  color: #FFFFFF;
}

.tech-tag svg {
  width: 18px;
  height: 18px;
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 4rem;
}

.section-header .badge {
  margin-bottom: 1rem;
}

.section-header h2 {
  margin-bottom: 1.25rem;
}

.section-header p {
  font-size: 1.15rem;
  color: var(--text-secondary);
}

/* --- Services & Pillars Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  padding: 2.75rem 2.25rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
}

.service-num {
  position: absolute;
  top: 1.5rem;
  right: 1.75rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
  opacity: 0.6;
}

.service-icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 1.75rem;
  transition: all var(--transition-smooth);
}

.service-card:hover .service-icon-wrapper {
  background: var(--grad-cyan-indigo);
  color: #07090E;
  transform: scale(1.08) rotate(3deg);
  box-shadow: 0 0 25px var(--accent-cyan-glow);
}

.service-card h3 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.service-card p {
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.service-feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.service-feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: #E2E8F0;
}

.service-feature-item svg {
  color: var(--accent-cyan);
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

.service-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent-cyan);
  margin-top: auto;
}

.service-cta svg {
  transition: transform var(--transition-fast);
}

.service-card:hover .service-cta svg {
  transform: translateX(4px);
}

/* --- Interactive Project Estimator / Simulator --- */
.estimator-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
  position: relative;
}

.estimator-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 992px) {
  .estimator-container {
    grid-template-columns: 1fr;
  }
}

.estimator-card {
  padding: 2.5rem;
}

.estimator-step {
  margin-bottom: 2rem;
}

.estimator-step-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #F1F5F9;
}

.step-badge {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.15);
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

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

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

.choice-btn {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.choice-btn:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--border-medium);
  color: #FFFFFF;
}

.choice-btn.active {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--accent-cyan);
  color: #FFFFFF;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
}

.choice-btn strong {
  color: #FFFFFF;
  font-size: 0.95rem;
}

.choice-btn small {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Range Slider */
.slider-container {
  padding: 0.5rem 0;
}

.range-slider {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--grad-cyan-indigo);
  box-shadow: 0 0 15px var(--accent-cyan);
  cursor: pointer;
  border: 2px solid #FFFFFF;
  transition: transform var(--transition-fast);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* Estimator Result Output Card */
.estimator-result-card {
  padding: 2.5rem;
  background: linear-gradient(180deg, rgba(28, 37, 56, 0.9) 0%, rgba(13, 17, 26, 0.95) 100%);
  border: 1px solid rgba(0, 240, 255, 0.3);
  box-shadow: var(--shadow-glow-cyan);
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.result-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.result-price-range {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent-cyan);
  margin-top: 0.5rem;
}

.result-timeline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #A5B4FC;
  font-size: 0.95rem;
  margin-top: 0.5rem;
  font-weight: 600;
}

.result-breakdown {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
}

.breakdown-row span:first-child {
  color: var(--text-muted);
}

.breakdown-row span:last-child {
  color: #FFFFFF;
  font-weight: 600;
  text-align: right;
}

/* --- 4D Methodology Section --- */
.methodology-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

@media (max-width: 992px) {
  .methodology-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.method-card {
  padding: 2.25rem 1.75rem;
  position: relative;
  display: flex;
  flex-direction: column;
}

.method-step-num {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(99, 102, 241, 0.25);
  line-height: 1;
  margin-bottom: 1rem;
  transition: all var(--transition-smooth);
}

.method-card:hover .method-step-num {
  color: var(--accent-cyan);
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

.method-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.method-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

.method-deliverables {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: #A5B4FC;
  font-family: var(--font-mono);
}

/* --- Case Studies / Realisations --- */
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

@media (max-width: 850px) {
  .case-studies-grid {
    grid-template-columns: 1fr;
  }
}

.case-card {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.case-badge-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.case-sector {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  font-weight: 700;
  font-family: var(--font-mono);
}

.case-card h3 {
  margin-bottom: 1rem;
  font-size: 1.45rem;
}

.case-card p {
  margin-bottom: 1.75rem;
}

.case-metrics-box {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
}

.case-metric-val {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: #34D399;
}

.case-metric-lbl {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.case-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.case-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: #CBD5E1;
}

/* --- Why PrestaLink / Commitments --- */
.why-us-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .why-us-grid {
    grid-template-columns: 1fr;
  }
}

.why-card {
  padding: 2.25rem 1.75rem;
}

.why-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: rgba(0, 240, 255, 0.1);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.why-card h4 {
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
}

/* --- FAQ Section --- */
.faq-accordion {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.faq-item.active {
  border-color: rgba(99, 102, 241, 0.4);
  background: var(--bg-card-hover);
}

.faq-question {
  width: 100%;
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: #F8FAFC;
  cursor: pointer;
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-smooth);
  color: var(--accent-cyan);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--grad-cyan-indigo);
  color: #07090E;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.4s ease;
  padding: 0 1.75rem;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  padding: 0 1.75rem 1.5rem 1.75rem;
}

/* --- Contact & Booking Section --- */
.contact-section {
  position: relative;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 992px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

.contact-info-card {
  padding: 2.75rem 2.25rem;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  margin: 2rem 0;
}

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

.contact-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

.contact-detail-val {
  font-weight: 600;
  color: #F8FAFC;
  font-size: 1rem;
  margin-top: 0.2rem;
}

.trust-legal-stamp {
  background: rgba(0, 240, 255, 0.04);
  border: 1px dashed rgba(0, 240, 255, 0.3);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  margin-top: 2rem;
  font-size: 0.85rem;
  line-height: 1.5;
  color: #CBD5E1;
}

/* Contact Form */
.contact-form-card {
  padding: 2.75rem 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: #F1F5F9;
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.15rem;
  background: rgba(7, 9, 14, 0.6);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: #FFFFFF;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
  background: rgba(13, 17, 26, 0.9);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 600px) {
  .form-row-2 {
    grid-template-columns: 1fr;
  }
}

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

/* Form success notification */
.form-success-banner {
  display: none;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34D399;
  text-align: center;
  margin-top: 1rem;
}

/* --- Footer --- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 4.5rem 0 2rem;
  position: relative;
  z-index: 2;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

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

.footer-brand p {
  margin: 1.25rem 0 1.5rem;
  font-size: 0.95rem;
}

.footer-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
}

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

.footer-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

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

.footer-legal-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

.footer-legal-links a {
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-legal-links a:hover {
  color: #FFFFFF;
}

/* --- Modals (Legal & Scoping) --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
  padding: 1.5rem;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 720px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 2.5rem;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(0.98);
  transition: transform var(--transition-spring);
}

.modal-overlay.active .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
}

.modal-body {
  margin-top: 1.5rem;
  color: #CBD5E1;
  font-size: 0.95rem;
  line-height: 1.7;
}

.modal-body h4 {
  color: #FFFFFF;
  margin: 1.5rem 0 0.5rem;
}

.legal-table {
  width: 100%;
  margin: 1rem 0;
  border-collapse: collapse;
}

.legal-table td {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.legal-table td:first-child {
  color: var(--text-muted);
  width: 38%;
  font-weight: 500;
}

.legal-table td:last-child {
  color: #FFFFFF;
  font-weight: 600;
}

/* --- Reveal on Scroll Utility --- */
.reveal {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Delay modifiers */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }