/* ==========================================================================
   CSS CUSTOM PROPERTIES - LIGHT & MINIMAL THEME
   ========================================================================== */
:root {
  /* Color Palette - Light & Minimal */
  --bg-primary: #f8fafc;         /* Light slate body background */
  --bg-secondary: #ffffff;       /* Pure white for alternate sections & cards */
  --bg-card: #ffffff;            /* Card surface */
  --bg-card-hover: #f1f5f9;      /* Subtle hover surface */
  --bg-hero: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 50%, #f8fafc 100%);
  
  --border: #e2e8f0;             /* Clean subtle border */
  --border-hover: #cbd5e1;       /* Hover border */
  --border-accent: rgba(37, 99, 235, 0.3);
  
  --text-primary: #0f172a;       /* Slate-900: High contrast title charcoal */
  --text-secondary: #334155;     /* Slate-700: Readable body copy */
  --text-muted: #64748b;         /* Slate-500: Helper text */
  
  --accent-blue: #2563eb;        /* Royal Blue */
  --accent-blue-hover: #1d4ed8;  /* Darker blue */
  --accent-blue-light: #eff6ff;  /* Light blue highlight background */
  --accent-purple: #7c3aed;      /* Indigo / Purple */
  --accent-gold: #d97706;        /* Warm Amber */
  --accent-emerald: #059669;     /* Emerald Green */
  
  --gradient-primary: linear-gradient(135deg, #2563eb, #4f46e5);
  --gradient-text: linear-gradient(135deg, #1e40af, #4338ca);
  --gradient-warm: linear-gradient(135deg, #d97706, #f59e0b);
  
  --glow-blue: 0 10px 25px -5px rgba(37, 99, 235, 0.25);
  --shadow-card: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 1px 3px rgba(15, 23, 42, 0.03);
  --shadow-card-hover: 0 15px 30px -5px rgba(15, 23, 42, 0.08);
  
  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Spacing & Radius */
  --section-padding: 100px 0;
  --container-width: 1200px;
  --border-radius: 16px;
  --border-radius-sm: 10px;
  --border-radius-lg: 24px;
  
  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: var(--transition);
}

::selection {
  background-color: var(--accent-blue-light);
  color: var(--accent-blue);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-blue);
}

*:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

/* ==========================================================================
   GLOBAL UTILITIES
   ========================================================================== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-padding);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-top: 8px;
}

.section-label {
  display: inline-flex;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-blue);
  background: var(--accent-blue-light);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 12px;
  font-weight: 700;
  border: 1px solid rgba(37, 99, 235, 0.15);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--glow-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: var(--accent-blue-hover);
  box-shadow: 0 12px 28px -5px rgba(37, 99, 235, 0.35);
  color: white;
}

.btn-secondary {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
  border-color: var(--accent-blue);
  background: var(--accent-blue-light);
  color: var(--accent-blue);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
  background: rgba(248, 250, 252, 0.8);
  backdrop-filter: blur(12px);
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 20px;
  color: var(--text-primary);
}

.brand-logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-brand:hover .brand-logo-img {
  transform: scale(1.05);
}

.footer-brand-header {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.nav-brand span {
  color: var(--accent-blue);
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--accent-blue);
  font-weight: 600;
}

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
  margin: 5px 0;
}

/* ==========================================================================
   HERO SECTION (LIGHT MINIMAL + PHOTO AT TOP)
   ========================================================================== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: 130px;
  padding-bottom: 80px;
  background: linear-gradient(180deg, #f1f5f9 0%, #f8fafc 100%);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(37, 99, 235, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.8;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.12;
}

.hero-orb-1 {
  width: 550px;
  height: 550px;
  background: var(--accent-blue);
  top: -10%;
  right: 5%;
}

.hero-orb-2 {
  width: 450px;
  height: 450px;
  background: var(--accent-purple);
  bottom: 0;
  left: -5%;
}

.hero-container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 60px;
}

.hero-text-col {
  text-align: left;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-blue);
  margin-bottom: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-emerald);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero h1 {
  font-size: clamp(2.5rem, 4.2vw, 3.8rem);
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Photo & Image Frame in Hero */
.hero-image-col {
  display: flex;
  justify-content: center;
}

.hero-image-frame {
  position: relative;
  width: 100%;
  max-width: 390px;
  aspect-ratio: 4/5;
  border-radius: var(--border-radius-lg);
}

.hero-image-backdrop {
  position: absolute;
  inset: -10px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.1));
  border-radius: 30px;
  transform: rotate(-2deg);
  z-index: 1;
}

.hero-profile-img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--border-radius-lg);
  border: 4px solid #ffffff;
  box-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.1);
}

.hero-floating-card {
  position: absolute;
  z-index: 3;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--border-radius-sm);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
  animation: float 6s ease-in-out infinite;
}

.hero-floating-card.float-top {
  top: 10%;
  left: -25px;
}

.hero-floating-card.float-bottom {
  bottom: 8%;
  right: -20px;
  animation-delay: 3s;
}

.float-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-blue-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.float-title {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.float-desc {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
}

/* Stats Bar */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.stat-item {
  background: var(--bg-secondary);
  padding: 20px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border);
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-3px);
  border-color: var(--accent-blue);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-blue);
  display: block;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
  font-weight: 600;
}

/* ==========================================================================
   EXPERIENCE SECTION (TIMELINE)
   ========================================================================== */
.experience {
  background: var(--bg-primary);
}

.timeline {
  position: relative;
  max-width: 850px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-blue), #cbd5e1);
}

.timeline-item {
  position: relative;
  padding-left: 60px;
  margin-bottom: 40px;
}

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

.timeline-dot {
  position: absolute;
  left: 11px;
  top: 8px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid var(--accent-blue);
  z-index: 2;
  box-shadow: 0 0 0 4px var(--accent-blue-light);
}

.timeline-dot.active {
  background: var(--accent-blue);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.timeline-content:hover {
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-card-hover);
  transform: translateX(4px);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 8px;
}

.company-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.company-link {
  font-size: 13px;
  color: var(--accent-blue);
  font-weight: 600;
  margin-left: 8px;
}

.duration {
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 600;
  border: 1px solid var(--border);
}

.role-title {
  font-size: 16px;
  color: var(--accent-blue);
  font-weight: 600;
  margin-bottom: 8px;
}

.current-badge {
  display: inline-block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: rgba(5, 150, 105, 0.1);
  color: var(--accent-emerald);
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.impact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.impact-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

.impact-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent-blue);
  font-size: 18px;
  line-height: 1;
}

/* ==========================================================================
   TOOLS SECTION
   ========================================================================== */
.tools-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.tools-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 40px;
  font-size: 15px;
}

.tools-category {
  text-align: center;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin: 36px 0 20px;
}

.tools-category:first-of-type {
  margin-top: 0;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(135px, 1fr));
  gap: 16px;
  max-width: 950px;
  margin: 0 auto;
}

.tools-grid--featured {
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.tool-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-sm);
  padding: 18px 14px;
  text-align: center;
  transition: var(--transition);
}

.tool-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  background: #ffffff;
}

.tool-card--featured {
  padding: 24px 18px;
  border-radius: var(--border-radius);
  background: #ffffff;
  border: 1.5px solid rgba(37, 99, 235, 0.25);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.08);
}

.tool-card--featured:hover {
  box-shadow: 0 15px 30px rgba(37, 99, 235, 0.15);
  border-color: var(--accent-blue);
}

.tool-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 10px;
  transition: var(--transition);
}

.tool-icon svg {
  width: 100%;
  height: 100%;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
}

.tool-card:hover .tool-icon svg {
  transform: scale(1.08);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
}

.tool-card--featured .tool-icon {
  width: 52px;
  height: 52px;
}

.tool-name {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.tool-desc {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ==========================================================================
   SALES METHODOLOGIES & FLOWCHART
   ========================================================================== */
.methodologies {
  background: var(--bg-primary);
}

.methods-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 950px;
  margin: 0 auto 60px;
}

.method-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

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

.method-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-blue-light);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.method-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.method-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Flowchart */
.flowchart {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  max-width: 1000px;
  margin: 0 auto;
  box-shadow: var(--shadow-card);
}

.flowchart-title {
  text-align: center;
  font-size: 22px;
  margin-bottom: 36px;
}

.flowchart-container {
  overflow-x: auto;
}

.flow-track {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
}

.flow-step {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-sm);
  padding: 14px 16px;
  min-width: 125px;
  max-width: 135px;
  text-align: center;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(10px);
}

.flow-step.visible {
  opacity: 1;
  transform: translateY(0);
}

.flow-step:hover {
  border-color: var(--accent-blue);
  background: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.step-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  margin: 0 auto 8px;
}

.step-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.step-detail {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.3;
}

.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #cbd5e1;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.flow-arrow.visible {
  opacity: 1;
  transform: translateY(0);
}

.flow-arrow svg {
  width: 18px;
  height: 18px;
}

/* ==========================================================================
   CASE STUDY SECTION
   ========================================================================== */
.case-study {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.case-intro {
  max-width: 700px;
  margin: 0 auto 48px;
  text-align: center;
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.case-phases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 950px;
  margin: 0 auto 60px;
}

.phase-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 32px 24px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.phase-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-4px);
  background: #ffffff;
}

.phase-number {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 800;
  color: var(--accent-blue);
  margin-bottom: 12px;
}

.phase-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.phase-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.engagement-models {
  max-width: 950px;
  margin: 0 auto;
}

.models-title {
  text-align: center;
  font-size: 22px;
  margin-bottom: 32px;
}

.models-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.model-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 36px;
  transition: var(--transition);
}

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

.model-card--highlight {
  border-color: var(--accent-blue);
  background: #ffffff;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.08);
}

.model-badge {
  display: inline-block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.model-card:first-child .model-badge {
  background: rgba(217, 119, 6, 0.1);
  color: var(--accent-gold);
}

.model-card--highlight .model-badge {
  background: var(--accent-blue-light);
  color: var(--accent-blue);
}

.model-card h4 {
  font-size: 20px;
  margin-bottom: 8px;
}

.model-card > p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.model-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.model-features li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.model-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-emerald);
  font-weight: 800;
}

/* ==========================================================================
   CONTACT SECTION (LEAD GEN FORM)
   ========================================================================== */
.contact-section {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  max-width: 1000px;
  margin: 0 auto;
  align-items: start;
}

.contact-info h2 {
  font-size: 36px;
  margin-bottom: 16px;
}

.contact-info > p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
}

.contact-item svg {
  width: 20px;
  height: 20px;
  color: var(--accent-blue);
}

.contact-form-wrapper {
  position: relative;
}

#contactForm {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
}

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

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

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

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-sm);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-primary);
  font-family: var(--font-body);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--accent-blue);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

.field-error {
  display: none;
  font-size: 12px;
  color: #dc2626;
  margin-top: 4px;
}

.form-group.invalid input, .form-group.invalid select, .form-group.invalid textarea {
  border-color: #dc2626;
}

.form-group.invalid .field-error {
  display: block;
}

.btn-submit {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: 16px;
  margin-top: 8px;
}

.form-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.98);
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.form-overlay.active {
  opacity: 1;
  visibility: visible;
}

.success-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(5, 150, 105, 0.1);
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 16px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: #ffffff;
  padding: 60px 0 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 12px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  font-size: 14px;
  color: var(--text-muted);
}

.footer-col a:hover {
  color: var(--accent-blue);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  gap: 16px;
}

.footer-socials a {
  color: var(--text-muted);
}

.footer-socials a:hover {
  color: var(--accent-blue);
}

.footer-socials svg {
  width: 18px;
  height: 18px;
}

/* ==========================================================================
   ANIMATIONS & RESPONSIVE
   ========================================================================== */
@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.reveal {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero-text-col {
    text-align: center;
  }
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-ctas {
    justify-content: center;
  }
  .methods-grid, .case-phases {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: #ffffff;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    transform: translateX(-100%);
    transition: var(--transition);
  }
  .nav-links.active {
    transform: translateX(0);
  }
  .mobile-toggle {
    display: block;
  }
  .nav-cta .btn {
    display: none;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .methods-grid, .case-phases, .models-grid, .form-row {
    grid-template-columns: 1fr;
  }
  .tools-grid--featured {
    grid-template-columns: repeat(2, 1fr);
  }
  .tools-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.2rem;
  }
  .hero-floating-card.float-top {
    left: -10px;
  }
  .hero-floating-card.float-bottom {
    right: -10px;
  }
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}