/* ==========================================================================
   Intersites - Your Guide to All Things Web
   Modern, Lightweight, Responsive Stylesheet
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Brand Colors from Authentic Intersites Identity */
  --color-primary: #0284c7;           /* Vibrant Cyan / Guide Blue */
  --color-primary-light: #38bdf8;
  --color-primary-dark: #0369a1;
  --color-primary-subtle: #f0f9ff;
  
  --color-accent-red: #ee332d;        /* Crossroads / Arrow Red */
  --color-accent-red-hover: #dc2626;
  --color-accent-red-subtle: #fef2f2;
  
  --color-accent-yellow: #fee901;     /* Signpost Yellow */
  --color-accent-yellow-dark: #d97706;
  
  --color-slate-950: #020617;        /* Deepest dark */
  --color-slate-900: #0f172a;        /* Hero / Footer Dark */
  --color-slate-800: #1e293b;        /* Headings Dark Slate */
  --color-slate-700: #334155;        /* Secondary Dark */
  --color-slate-600: #475569;        /* Body Text */
  --color-slate-500: #64748b;        /* Muted / Captions */
  --color-slate-400: #94a3b8;
  --color-slate-300: #cbd5e1;
  --color-slate-200: #e2e8f0;        /* Borders */
  --color-slate-100: #f1f5f9;        /* Light Cards / Badges */
  --color-slate-50: #f8fafc;         /* Background Off-White */
  --color-white: #ffffff;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.08);
  --shadow-glow: 0 0 25px rgba(2, 132, 199, 0.25);

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.25s ease-in-out;
  --transition-slow: 0.4s ease-in-out;

  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-slate-700);
  background-color: var(--color-slate-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

button, input, select, textarea {
  font: inherit;
}

/* --- Utilities & Container --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding: 5rem 0;
  position: relative;
}

.section-alt {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-slate-200);
  border-bottom: 1px solid var(--color-slate-200);
}

.section-dark {
  background-color: var(--color-slate-900);
  color: var(--color-slate-300);
}

.section-dark h2, .section-dark h3, .section-dark h4 {
  color: var(--color-white);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.badge-primary {
  background-color: var(--color-primary-subtle);
  color: var(--color-primary-dark);
  border: 1px solid rgba(2, 132, 199, 0.2);
}

.badge-red {
  background-color: var(--color-accent-red-subtle);
  color: var(--color-accent-red);
  border: 1px solid rgba(238, 51, 45, 0.2);
}

.badge-dark {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-primary-light);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.section-title {
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-slate-900);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-slate-600);
  line-height: 1.6;
}

.section-dark .section-subtitle {
  color: var(--color-slate-400);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.45);
}

.btn-accent {
  background-color: var(--color-accent-red);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(238, 51, 45, 0.35);
}

.btn-accent:hover {
  background-color: var(--color-accent-red-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(238, 51, 45, 0.45);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: var(--color-white);
  color: var(--color-white);
  transform: translateY(-2px);
}

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

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.top-bar {
  background-color: var(--color-slate-950);
  color: var(--color-slate-400);
  font-size: 0.8125rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.top-bar-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.top-bar-link {
  color: var(--color-slate-300);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--transition-fast);
}

.top-bar-link:hover {
  color: var(--color-primary-light);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(15, 23, 42, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  background-color: rgba(15, 23, 42, 0.98);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

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

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

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-white);
  line-height: 1.1;
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--color-primary-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

/* Nav Links */
.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--color-slate-300);
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.35rem 0;
}

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

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

.nav-cta {
  margin-left: 0.5rem;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-white);
  cursor: pointer;
  padding: 0.5rem;
  font-size: 1.5rem;
  line-height: 1;
}

/* ==========================================================================
   Hero Section: Guidance & Runway Lights
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  background-color: var(--color-slate-950);
  color: var(--color-white);
  overflow: hidden;
  padding: 6rem 0 5rem 0;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.78) 50%, rgba(2, 6, 23, 0.92) 100%), url('../assets/images/hero-runway.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 1;
}

.hero-glow-effect {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 200px;
  background: radial-gradient(ellipse at bottom, rgba(56, 189, 248, 0.25) 0%, rgba(2, 132, 199, 0.08) 50%, transparent 80%);
  pointer-events: none;
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 880px;
}

.hero-title {
  font-size: clamp(2.35rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--color-white);
}

.hero-title .text-gradient {
  background: linear-gradient(120deg, #38bdf8 0%, #fee901 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.65;
  color: var(--color-slate-300);
  margin-bottom: 2.25rem;
  max-width: 780px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

/* Trust Stats Bar */
.trust-stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

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

.stat-number {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.stat-number .stat-accent {
  color: var(--color-primary-light);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-slate-400);
  font-weight: 500;
}

/* ==========================================================================
   The Guide Philosophy Section (The Travel Metaphor)
   ========================================================================== */
.guide-story-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.guide-story-text p {
  font-size: 1.075rem;
  line-height: 1.7;
  color: var(--color-slate-700);
  margin-bottom: 1.25rem;
}

.guide-quote-box {
  background: linear-gradient(135deg, var(--color-primary-subtle) 0%, #f0fdf4 100%);
  border-left: 4px solid var(--color-primary);
  padding: 1.5rem 1.75rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.75rem 0;
}

.guide-quote-box p {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-slate-800);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.guide-quote-box span {
  font-size: 0.875rem;
  color: var(--color-slate-500);
}

.guide-visual-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.guide-visual-card img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.guide-visual-card:hover img {
  transform: scale(1.03);
}

.guide-visual-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem 1.75rem 1.5rem;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.7) 60%, transparent 100%);
  color: var(--color-white);
}

.guide-visual-caption h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.guide-visual-caption p {
  font-size: 0.9rem;
  color: var(--color-slate-300);
  line-height: 1.4;
}

/* 4 Guide Pillars */
.guide-pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
}

.pillar-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.pillar-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.pillar-card:nth-child(2) .pillar-icon {
  background-color: var(--color-accent-red-subtle);
  color: var(--color-accent-red);
}

.pillar-card:nth-child(3) .pillar-icon {
  background-color: #fef9c3;
  color: #ca8a04;
}

.pillar-card:nth-child(4) .pillar-icon {
  background-color: #ecfdf5;
  color: #059669;
}

.pillar-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.5rem;
}

.pillar-desc {
  font-size: 0.925rem;
  color: var(--color-slate-600);
  line-height: 1.5;
}

/* ==========================================================================
   The PARIS Process Section
   ========================================================================== */
.paris-wrapper {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.paris-tabs-nav {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background-color: var(--color-slate-100);
  border-bottom: 1px solid var(--color-slate-200);
}

.paris-tab-btn {
  background: none;
  border: none;
  padding: 1.25rem 0.75rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  transition: all var(--transition-fast);
  border-bottom: 3px solid transparent;
}

.paris-tab-letter {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-slate-400);
}

.paris-tab-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-slate-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.paris-tab-btn:hover {
  background-color: rgba(255, 255, 255, 0.7);
}

.paris-tab-btn.active {
  background-color: var(--color-white);
  border-bottom-color: var(--color-primary);
}

.paris-tab-btn.active .paris-tab-letter {
  color: var(--color-primary);
}

.paris-tab-btn.active .paris-tab-title {
  color: var(--color-slate-900);
}

/* Tab Panels */
.paris-tab-panel {
  display: none;
  padding: 3rem 3rem 3.5rem;
}

.paris-tab-panel.active {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.paris-panel-content h3 {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--color-slate-900);
  margin-bottom: 1rem;
}

.paris-panel-content .paris-lead {
  font-size: 1.125rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.paris-panel-content p {
  color: var(--color-slate-600);
  font-size: 1rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.deliverables-box {
  background-color: var(--color-slate-50);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
}

.deliverables-box h4 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-slate-800);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.deliverables-list {
  list-style: none;
}

.deliverables-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.6rem;
  font-size: 0.925rem;
  color: var(--color-slate-700);
  font-weight: 500;
}

.deliverables-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 800;
}

.paris-panel-visual {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.paris-panel-visual img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

/* ==========================================================================
   Capabilities Section
   ========================================================================== */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.capability-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.capability-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xl);
}

.capability-icon-wrap {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary-subtle) 0%, rgba(2, 132, 199, 0.15) 100%);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
}

.capability-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.capability-desc {
  font-size: 0.95rem;
  color: var(--color-slate-600);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.capability-features {
  list-style: none;
  border-top: 1px solid var(--color-slate-100);
  padding-top: 1.25rem;
}

.capability-features li {
  font-size: 0.875rem;
  color: var(--color-slate-500);
  padding-left: 1.25rem;
  position: relative;
  margin-bottom: 0.45rem;
}

.capability-features li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 1.2rem;
  line-height: 1;
}

/* ==========================================================================
   Featured Work / Portfolio Section
   ========================================================================== */
.portfolio-filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 3rem;
}

.filter-btn {
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  color: var(--color-slate-600);
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background-color: var(--color-slate-100);
  color: var(--color-slate-900);
}

.filter-btn.active {
  background-color: var(--color-slate-900);
  color: var(--color-white);
  border-color: var(--color-slate-900);
}

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

.project-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-light);
}

.project-thumb-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
  background-color: var(--color-slate-100);
}

.project-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-thumb-wrap img {
  transform: scale(1.06);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-view-badge {
  background-color: var(--color-white);
  color: var(--color-slate-900);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
}

.project-info {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.5rem;
}

.project-domain {
  font-size: 0.8125rem;
  color: var(--color-slate-400);
  font-family: var(--font-mono);
  margin-bottom: 0.75rem;
}

.project-services {
  font-size: 0.875rem;
  color: var(--color-slate-600);
  line-height: 1.5;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.project-card-footer {
  border-top: 1px solid var(--color-slate-100);
  padding-top: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-link-text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* ==========================================================================
   Project Detail Modal
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-backdrop.open {
  display: flex;
  animation: fadeIn 0.2s ease-in-out;
}

.modal-dialog {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--color-slate-100);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.25rem;
  color: var(--color-slate-700);
  transition: all var(--transition-fast);
  z-index: 10;
}

.modal-close-btn:hover {
  background-color: var(--color-slate-200);
  color: var(--color-slate-900);
}

.modal-image-wrap {
  height: 280px;
  background-color: var(--color-slate-900);
  overflow: hidden;
}

.modal-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-body {
  padding: 2.25rem;
}

.modal-category {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.modal-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-slate-900);
  margin-bottom: 0.5rem;
}

.modal-domain {
  font-size: 0.95rem;
  color: var(--color-slate-500);
  font-family: var(--font-mono);
  margin-bottom: 1.5rem;
}

.modal-description {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--color-slate-700);
  margin-bottom: 1.75rem;
}

.modal-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  background-color: var(--color-slate-50);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.75rem;
}

.modal-meta-item h5 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-slate-400);
  margin-bottom: 0.25rem;
}

.modal-meta-item p {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--color-slate-800);
}

/* ==========================================================================
   The Intersites Difference Section
   ========================================================================== */
.difference-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.diff-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
}

.diff-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.diff-tag-negative {
  background-color: #fee2e2;
  color: #b91c1c;
}

.diff-tag-positive {
  background-color: #e0f2fe;
  color: #0369a1;
}

.diff-card h4 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-slate-900);
  margin-bottom: 0.75rem;
}

.diff-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-slate-600);
}

/* ==========================================================================
   Guidance & Wisdom (Suite 131 Insights)
   ========================================================================== */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

.insight-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.insight-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.insight-icon {
  font-size: 2rem;
  margin-bottom: 1.25rem;
}

.insight-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.insight-desc {
  font-size: 0.9rem;
  color: var(--color-slate-600);
  line-height: 1.55;
  flex-grow: 1;
}

.insight-takeaway {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--color-slate-200);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

/* ==========================================================================
   Zero-Backend Contact Section
   ========================================================================== */
.contact-container-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-info-col h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-slate-900);
  margin-bottom: 1rem;
}

.contact-info-col p {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--color-slate-600);
  margin-bottom: 2rem;
}

.contact-cards-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.contact-method-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.25rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.contact-method-card:hover {
  border-color: var(--color-primary-light);
  transform: translateX(4px);
}

.method-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.method-details h5 {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-slate-400);
  margin-bottom: 0.25rem;
}

.method-details a, .method-details p {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-slate-800);
  margin: 0;
}

.method-details a:hover {
  color: var(--color-primary);
}

/* Contact Form */
.contact-form-box {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: 2.75rem 2.5rem;
  box-shadow: var(--shadow-xl);
}

.contact-form-box h4 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-slate-900);
  margin-bottom: 0.5rem;
}

.contact-form-box .form-subtitle {
  font-size: 0.925rem;
  color: var(--color-slate-500);
  margin-bottom: 1.75rem;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.25rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-slate-700);
  margin-bottom: 0.4rem;
}

.form-label span.req {
  color: var(--color-accent-red);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  color: var(--color-slate-800);
  background-color: var(--color-slate-50);
  border: 1px solid var(--color-slate-300);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  background-color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

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

.form-actions {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.form-status-alert {
  display: none;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.925rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.form-status-alert.alert-success {
  display: block;
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.form-status-alert.alert-error {
  display: block;
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-slate-950);
  color: var(--color-slate-400);
  padding: 5rem 0 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-col h5 {
  font-size: 0.925rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-white);
  margin-bottom: 1.25rem;
}

.footer-links-list {
  list-style: none;
}

.footer-links-list li {
  margin-bottom: 0.65rem;
}

.footer-links-list a {
  color: var(--color-slate-400);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer-brand-p {
  font-size: 0.925rem;
  line-height: 1.6;
  margin-top: 1rem;
  color: var(--color-slate-400);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.85rem;
}

.footer-bottom a {
  color: var(--color-slate-400);
}

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

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .insights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .guide-pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  .top-bar {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-slate-900);
    flex-direction: column;
    padding: 2rem 1.5rem;
    gap: 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-normal);
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    font-size: 1.1rem;
    width: 100%;
    text-align: center;
  }

  .nav-cta {
    margin-left: 0;
    width: 100%;
  }

  .guide-story-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .paris-tabs-nav {
    grid-template-columns: repeat(5, 1fr);
  }

  .paris-tab-title {
    display: none;
  }

  .paris-tab-panel.active {
    grid-template-columns: 1fr;
    padding: 2rem 1.5rem;
    gap: 2rem;
  }

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

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

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

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

  .contact-container-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .form-grid-2 {
    grid-template-columns: 1fr;
  }

  .trust-stats-bar {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

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

  .modal-meta-grid {
    grid-template-columns: 1fr;
  }
}