/* ==========================================================================
   Global Logistics & SCM Expert - Main Stylesheet
   Author: Yang Yuhyeon (Logistics & SCM Solution Architect)
   ========================================================================== */

/* --- CSS Variables & Theming --- */
:root {
  /* Brand Colors */
  --primary-blue: #2563eb;
  --primary-blue-hover: #1d4ed8;
  --primary-dark: #0f172a;
  --accent-cyan: #06b6d4;
  --accent-teal: #0d9488;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-indigo: #6366f1;

  /* Dark Theme (Default) */
  --bg-main: #0a0f1d;
  --bg-secondary: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.7);
  --bg-card-hover: rgba(30, 41, 59, 0.95);
  --bg-glass: rgba(15, 23, 42, 0.75);
  --border-color: rgba(148, 163, 184, 0.12);
  --border-focus: rgba(6, 182, 212, 0.5);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --glow-blue: rgba(37, 99, 235, 0.25);
  --glow-cyan: rgba(6, 182, 212, 0.2);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(6, 182, 212, 0.15);

  --font-base: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-main: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --border-color: rgba(203, 213, 225, 0.8);
  --border-focus: rgba(37, 99, 235, 0.5);

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;

  --glow-blue: rgba(37, 99, 235, 0.1);
  --glow-cyan: rgba(6, 182, 212, 0.1);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 30px rgba(37, 99, 235, 0.1);
}

/* --- Base & Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE and Edge */
}

*::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Edge */
  width: 0px;
  height: 0px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

html::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

body {
  font-family: var(--font-base);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  transition: background-color 0.4s ease, color 0.4s ease;
  -webkit-font-smoothing: antialiased;
}

body::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* --- Typography Utilities --- */
.gradient-text {
  background: linear-gradient(135deg, #38bdf8 0%, #3b82f6 50%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-gold {
  background: linear-gradient(135deg, #fcd34d 0%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --- Container & Layout --- */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 6rem 0;
  position: relative;
}

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

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* --- Buttons & UI Elements --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan));
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.45);
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  backdrop-filter: blur(8px);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
}

/* --- Navigation Header --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.navbar .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
}

.brand-logo .logo-icon {
  width: 2.25rem;
  height: 2.25rem;
  background: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
}

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

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-cyan);
  transition: width 0.3s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.icon-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 2.4rem;
  height: 2.4rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.icon-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-1px);
}

.lang-btn {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0 0.5rem;
  width: auto;
  min-width: 2.4rem;
}

.hamburger {
  display: none;
}

/* --- Hero Section --- */
.hero-section {
  padding-top: 8rem;
  padding-bottom: 5rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-glow-bg {
  position: absolute;
  top: 15%;
  right: 5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, rgba(6, 182, 212, 0.08) 50%, transparent 70%);
  filter: blur(80px);
  z-index: 0;
  pointer-events: none;
}

.hero-glow-bg-2 {
  position: absolute;
  bottom: 10%;
  left: 5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
  filter: blur(80px);
  z-index: 0;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-emerald);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.stat-item h3 {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.stat-item h3 .accent {
  color: var(--accent-cyan);
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* --- Hero Profile Card --- */
.hero-card-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.profile-card {
  position: relative;
  width: 100%;
  max-width: 400px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
  transition: var(--transition);
}

.profile-card:hover {
  border-color: rgba(6, 182, 212, 0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.profile-img-box {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: calc(var(--radius-lg) - 4px);
  overflow: hidden;
  position: relative;
  border: 2px solid rgba(255, 255, 255, 0.08);
}

.profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.5s ease;
}

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

.profile-info {
  margin-top: 1.25rem;
  text-align: center;
}

.profile-name {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.profile-role {
  font-size: 0.9rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

.profile-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 0.8rem;
}

.tag-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-muted);
}

/* Floating Badges */
.floating-badge {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  z-index: 2;
  animation: float 4s ease-in-out infinite;
}

.floating-badge-1 {
  top: -15px;
  left: -20px;
}

.floating-badge-2 {
  bottom: 25px;
  right: -25px;
  animation-delay: 2s;
}

.badge-icon {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.badge-icon.blue { background: rgba(37, 99, 235, 0.2); color: #38bdf8; }
.badge-icon.emerald { background: rgba(16, 185, 129, 0.2); color: #34d399; }

.badge-text strong {
  display: block;
  font-size: 0.85rem;
  color: var(--text-main);
}
.badge-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

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

/* --- About & Credentials Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
}

.about-card-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--accent-cyan);
}

.about-text {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 1.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 6px;
  bottom: 0;
  left: 6px;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 1.75rem;
}

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

.timeline-dot {
  position: absolute;
  left: -1.5rem;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary-blue);
  border: 3px solid var(--bg-main);
  box-shadow: 0 0 8px var(--primary-blue);
}

.timeline-date {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.timeline-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

.timeline-company {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.timeline-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Certifications Grid */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.cert-badge {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: var(--transition);
}

.cert-badge:hover {
  border-color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.06);
  transform: translateY(-2px);
}

.cert-icon {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: var(--radius-sm);
  background: rgba(37, 99, 235, 0.15);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.cert-info h4 {
  font-size: 0.9rem;
  font-weight: 700;
}

.cert-info p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --- Core Competencies Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-blue), var(--accent-cyan));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(6, 182, 212, 0.35);
  box-shadow: var(--shadow-glow);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(6, 182, 212, 0.1));
  border: 1px solid rgba(6, 182, 212, 0.2);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan));
  color: #fff;
  transform: scale(1.05);
}

.service-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.service-tag {
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--accent-cyan);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* --- Global Supply Chain Map Section --- */
.map-container-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.map-toolbar {
  padding: 1rem 1.5rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.map-filter-group {
  display: flex;
  gap: 0.5rem;
}

.map-filter-btn {
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.map-filter-btn.active, .map-filter-btn:hover {
  background: var(--primary-blue);
  color: #fff;
  border-color: var(--primary-blue);
}

.map-hub-quickselect {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hub-select-btn {
  padding: 0.3rem 0.7rem;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  cursor: pointer;
  transition: var(--transition);
}

.hub-select-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

#logistics-map {
  height: 480px;
  width: 100%;
  background: #0b132b;
  z-index: 1;
}

.map-hub-detail-card {
  padding: 1.25rem 1.5rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.hub-info-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.hub-info-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.hub-stats-row {
  display: flex;
  gap: 1.5rem;
}

.hub-stat-item {
  text-align: right;
}

.hub-stat-item strong {
  display: block;
  font-size: 1.1rem;
  color: var(--text-main);
}

.hub-stat-item span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Custom Leaflet Map Popup */
.leaflet-popup-content-wrapper {
  background: var(--bg-secondary) !important;
  color: var(--text-main) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-lg) !important;
}
.leaflet-popup-tip {
  background: var(--bg-secondary) !important;
}

/* --- ROI Calculator Section --- */
.calculator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.calc-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

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

.calc-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

.calc-val-display {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

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

.calc-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  cursor: pointer;
  transition: transform 0.1s;
}

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

.calc-results-card {
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.8), rgba(30, 41, 59, 0.9));
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.results-header {
  margin-bottom: 1.5rem;
}

.results-header h3 {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.savings-total {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent-emerald);
  line-height: 1.1;
}

.savings-breakdown {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.breakdown-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 0.9rem;
  border-radius: var(--radius-sm);
}

.breakdown-box span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.breakdown-box strong {
  display: block;
  font-size: 1.1rem;
  color: var(--text-main);
  margin-top: 0.2rem;
}

/* --- KPI Dashboard Section --- */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
}

.chart-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chart-card-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.chart-wrapper {
  position: relative;
  height: 240px;
  width: 100%;
}

/* --- Portfolio & Case Studies --- */
.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.5rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
  background: var(--primary-blue);
  color: #fff;
  border-color: var(--primary-blue);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: var(--shadow-glow);
}

.project-banner {
  height: 160px;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  position: relative;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.project-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.2), transparent 60%);
  pointer-events: none;
}

.project-category-tag {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.project-highlight-badge {
  font-size: 1.1rem;
  font-weight: 800;
  color: #ffffff;
  z-index: 1;
}

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

.project-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.project-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.project-metrics {
  display: flex;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.8rem;
}

.metric-tag strong {
  display: block;
  font-size: 0.95rem;
  color: var(--accent-emerald);
}

.metric-tag span {
  color: var(--text-dim);
}

/* --- Insights & Articles --- */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.insight-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

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

.insight-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.8rem;
}

.insight-category {
  color: var(--accent-cyan);
  font-weight: 700;
}

.insight-title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.insight-snippet {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 1rem;
}

.insight-read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

/* --- Contact & Consultation Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3rem;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-direct-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin: 2rem 0;
}

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

.contact-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  background: rgba(37, 99, 235, 0.15);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.contact-details p {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

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

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  outline: none;
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.2);
  background: rgba(255, 255, 255, 0.07);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

/* Service Options Radio/Checkbox */
.service-checkboxes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  margin-top: 0.4rem;
}

.checkbox-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition);
}

.checkbox-pill input {
  accent-color: var(--primary-blue);
}

.checkbox-pill:hover {
  border-color: var(--accent-cyan);
}

/* --- Footer --- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-cyan);
  transform: translateX(3px);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* --- Modals & Popups --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.modal-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 2.5rem;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal-box {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: var(--text-main);
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Floating Back-To-Top */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  border: none;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

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

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

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

  .hero-status-pill {
    margin: 0 auto 1.5rem auto;
  }

  .hero-stats-row {
    justify-content: center;
  }

  .about-grid, .calculator-grid, .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .dashboard-grid, .portfolio-grid, .insights-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 4.5rem;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateY(-150%);
    transition: transform 0.3s ease;
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .hamburger {
    display: flex;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .services-grid, .dashboard-grid, .portfolio-grid, .insights-grid {
    grid-template-columns: 1fr;
  }

  .service-checkboxes, .form-row {
    grid-template-columns: 1fr;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}