/* ========================================
   Initiativ'Energie - Design System
   ======================================== */

/* CSS Variables */
:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --primary-light: #3B82F6;
  --secondary: #F59E0B;
  --secondary-dark: #D97706;
  --accent: #0EA5E9;
  --accent-dark: #0284C7;
  --dark: #1A1A2E;
  --dark-light: #2D2D44;
  --gray-900: #111827;
  --gray-800: #1F2937;
  --gray-700: #374151;
  --gray-600: #4B5563;
  --gray-500: #6B7280;
  --gray-400: #9CA3AF;
  --gray-300: #D1D5DB;
  --gray-200: #E5E7EB;
  --gray-100: #F3F4F6;
  --gray-50: #F9FAFB;
  --white: #FFFFFF;
  --success: #10B981;
  --error: #EF4444;
  --glass-bg: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.18);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p { margin-bottom: 1rem; color: var(--gray-600); }

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

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

ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  padding: 0.5rem 0;
}

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

.nav-logo {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar.scrolled .nav-logo {
  color: var(--primary);
}

.nav-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.9);
  transition: var(--transition);
}

.navbar.scrolled .nav-links a {
  color: var(--gray-700);
}

.nav-links a:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
}

.navbar.scrolled .nav-links a:hover {
  background: var(--gray-100);
  color: var(--primary);
}

.nav-links a.active {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.navbar.scrolled .nav-links a.active {
  background: var(--primary);
  color: var(--white);
}

.nav-cta {
  background: var(--secondary) !important;
  color: var(--white) !important;
  font-weight: 600 !important;
  padding: 0.5rem 1.25rem !important;
  border-radius: var(--radius-lg) !important;
}

.nav-cta:hover {
  background: var(--secondary-dark) !important;
  transform: translateY(-1px);
}

/* Mobile Menu */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.navbar.scrolled .mobile-toggle span {
  background: var(--dark);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.85) 0%, rgba(26, 26, 46, 0.9) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 2rem 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  color: var(--secondary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--secondary), #FBBF24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.15rem;
  margin-bottom: 2rem;
  max-width: 560px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat {
  text-align: center;
}

.hero-stat .number {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--secondary);
  display: block;
}

.hero-stat .label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

/* Floating shapes */
.hero-shapes {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.hero-shapes .shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  animation: float 20s infinite ease-in-out;
}

.hero-shapes .shape:nth-child(1) {
  width: 400px;
  height: 400px;
  top: -100px;
  right: -100px;
  animation-delay: 0s;
}

.hero-shapes .shape:nth-child(2) {
  width: 250px;
  height: 250px;
  bottom: -50px;
  left: 10%;
  animation-delay: -5s;
}

.hero-shapes .shape:nth-child(3) {
  width: 150px;
  height: 150px;
  top: 30%;
  right: 20%;
  animation-delay: -10s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(20px, -20px) scale(1.05); }
  50% { transform: translate(-10px, 20px) scale(0.95); }
  75% { transform: translate(15px, 10px) scale(1.02); }
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-lg);
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  justify-content: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
}

.btn-secondary:hover {
  background: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

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

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

/* ========================================
   Section Styles
   ======================================== */
.section {
  padding: 5rem 0;
}

.section-lg {
  padding: 6rem 0;
}

.section-gray {
  background: var(--gray-50);
}

.section-dark {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
}

.section-green {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3.5rem;
}

.section-header .badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--gray-500);
}

/* ========================================
   Cards
   ======================================== */
.card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.1));
  color: var(--primary);
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.card p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* Service Cards */
.service-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.service-card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: var(--transition-slow);
}

.service-card:hover .service-card-img {
  transform: scale(1.05);
}

.service-card-img-wrapper {
  overflow: hidden;
  position: relative;
}

.service-card-img-wrapper::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(transparent, var(--white));
}

.service-card-body {
  padding: 1.5rem;
}

.service-card-body h3 {
  margin-bottom: 0.5rem;
}

.service-card-body p {
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
}

.service-card-link:hover {
  gap: 0.75rem;
}

/* Glass Card */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: 2rem;
  color: var(--white);
}

/* ========================================
   Grid Layouts
   ======================================== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

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

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

/* ========================================
   Features / Benefits
   ======================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.05));
  color: var(--primary);
}

.feature-item h4 {
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
}

.feature-item p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

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

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.testimonial-stars {
  color: var(--secondary);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.testimonial-card blockquote {
  font-style: italic;
  color: var(--gray-600);
  margin-bottom: 1.25rem;
  line-height: 1.7;
  font-size: 0.95rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
}

.testimonial-author-info .name {
  font-weight: 600;
  color: var(--dark);
  font-size: 0.95rem;
}

.testimonial-author-info .role {
  font-size: 0.8rem;
  color: var(--gray-500);
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.cta-section .container {
  position: relative;
  z-index: 2;
  text-align: center;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: 1rem;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  max-width: 550px;
  margin: 0 auto 2rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .nav-logo {
  margin-bottom: 1rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

.footer h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 1.25rem;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

.footer-contact .icon {
  color: var(--primary-light);
  min-width: 20px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

/* ========================================
   Page Header (Inner Pages)
   ======================================== */
.page-header {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
  padding: 8rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: rgba(37, 99, 235, 0.2);
  border-radius: 50%;
  filter: blur(80px);
}

.page-header .container {
  position: relative;
  z-index: 2;
}

.page-header h1 {
  color: var(--white);
  margin-bottom: 1rem;
}

.page-header p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  max-width: 600px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a:hover {
  color: var(--secondary);
}

.breadcrumb .separator {
  color: rgba(255, 255, 255, 0.4);
}

.breadcrumb .current {
  color: var(--white);
}

/* ========================================
   Forms
   ======================================== */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray-700);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--gray-800);
  transition: var(--transition);
  background: var(--white);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-control::placeholder {
  color: var(--gray-400);
}

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

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* Form Messages */
.form-message {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.95rem;
  margin-top: 1rem;
  display: none;
  align-items: center;
  gap: 0.5rem;
  animation: slideDown 0.3s ease;
}

.form-message.success {
  display: flex;
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-message.error {
  display: flex;
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   About Page Specific
   ======================================== */
.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-img {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.about-img img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-img::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  border: 2px solid rgba(37, 99, 235, 0.2);
}

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

.value-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.value-card .icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.75rem;
}

.value-card h4 {
  margin-bottom: 0.5rem;
}

.value-card p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--primary-light));
}

.timeline-item {
  position: relative;
  padding-bottom: 2rem;
  padding-left: 1.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 0.25rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--white);
  box-shadow: var(--shadow-sm);
  transform: translateX(-6px);
}

.timeline-item h4 {
  color: var(--primary);
  margin-bottom: 0.35rem;
}

/* ========================================
   Contact Page
   ======================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
  transition: var(--transition);
}

.contact-info-card:hover {
  background: var(--white);
  box-shadow: var(--shadow-md);
}

.contact-info-card .icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.25rem;
}

.contact-info-card h4 {
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

.contact-info-card p {
  margin-bottom: 0;
  font-size: 0.9rem;
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100);
}

/* ========================================
   Funnel Page
   ======================================== */
.funnel-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
  overflow: hidden;
}

.funnel-hero .hero-bg {
  position: absolute;
  inset: 0;
}

.funnel-hero .hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
}

.funnel-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.funnel-text h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.funnel-text p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
}

.funnel-benefits {
  margin: 2rem 0;
}

.funnel-benefits li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

.funnel-benefits .check {
  width: 24px;
  height: 24px;
  min-width: 24px;
  border-radius: 50%;
  background: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--white);
}

.funnel-form-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-2xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-xl);
}

.funnel-form-card h3 {
  text-align: center;
  margin-bottom: 0.5rem;
}

.funnel-form-card .subtitle {
  text-align: center;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

/* ========================================
   Quote Page - Multi-step
   ======================================== */
.quote-section {
  padding: 2rem 0 5rem;
}

.quote-container {
  max-width: 700px;
  margin: 0 auto;
}

.step-indicators {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.step-dot {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.step-dot .dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  background: var(--gray-200);
  color: var(--gray-500);
  transition: var(--transition);
}

.step-dot.active .dot {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.step-dot.completed .dot {
  background: var(--success);
  color: var(--white);
}

.step-dot .line {
  width: 40px;
  height: 2px;
  background: var(--gray-200);
  transition: var(--transition);
}

.step-dot.completed .line {
  background: var(--success);
}

.quote-step {
  display: none;
  animation: fadeIn 0.4s ease;
}

.quote-step.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.quote-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100);
}

.quote-card h3 {
  text-align: center;
  margin-bottom: 0.5rem;
}

.quote-card .step-desc {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.service-select-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.service-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
  font-size: 0.9rem;
}

.service-option:hover {
  border-color: var(--primary);
  background: rgba(37, 99, 235, 0.03);
}

.service-option.selected {
  border-color: var(--primary);
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary);
}

.service-option .checkbox {
  width: 22px;
  height: 22px;
  min-width: 22px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.service-option.selected .checkbox {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.quote-buttons {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-top: 1.5rem;
}

/* ========================================
   Service Detail Pages
   ======================================== */
.service-detail-hero {
  position: relative;
  overflow: hidden;
}

.service-detail-hero .hero-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.service-detail-content {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: 3rem;
}

.service-sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
}

.sidebar-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100);
  margin-bottom: 1.5rem;
}

.sidebar-card h4 {
  margin-bottom: 1rem;
}

.sidebar-nav li {
  margin-bottom: 0.25rem;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  color: var(--gray-600);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary);
}

.benefit-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  color: var(--gray-700);
}

.benefit-list .icon {
  color: var(--primary);
  margin-top: 0.15rem;
  min-width: 20px;
}

.process-steps {
  counter-reset: step;
}

.process-step {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 2rem;
  align-items: flex-start;
}

.process-step .step-number {
  counter-increment: step;
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.process-step h4 {
  margin-bottom: 0.35rem;
}

.process-step p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ========================================
   Scroll Animations
   ======================================== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ========================================
   Counter Animation
   ======================================== */
.counter-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 4rem 0;
}

.counter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.counter-item .number {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--white);
  display: block;
}

.counter-item .label {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
  .grid-4, .values-grid, .counter-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid, .testimonials-grid, .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .service-detail-content {
    grid-template-columns: 1fr;
  }

  .service-sidebar {
    position: static;
  }

  .funnel-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    box-shadow: var(--shadow-xl);
    transition: var(--transition);
    align-items: stretch;
    gap: 0;
    z-index: 999;
  }

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

  .nav-links a {
    color: var(--gray-700) !important;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
  }

  .nav-links a:hover {
    background: var(--gray-100) !important;
    color: var(--primary) !important;
  }

  .nav-links a.active {
    background: var(--primary) !important;
    color: var(--white) !important;
  }

  .mobile-toggle {
    display: flex;
    z-index: 1001;
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
  }

  .mobile-overlay.open {
    display: block;
  }

  .hero-content {
    text-align: center;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
    gap: 1.5rem;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .grid-2,
  .features-grid,
  .testimonials-grid,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .about-intro-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }

  .service-select-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  .values-grid,
  .counter-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3.5rem 0;
  }

  .quote-card {
    padding: 1.5rem;
  }

  .funnel-form-card {
    padding: 1.5rem;
  }

  .contact-form {
    padding: 1.5rem;
  }
}

/* ========================================
   Loading spinner
   ======================================== */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Btn loading state */
.btn.loading {
  pointer-events: none;
  opacity: 0.8;
}