/*
 * ADVE - Agencja Social Media
 * Main Stylesheet
 * Design System zgodny z briefem wdrożeniowym
 */

/* ========================================
   DESIGN TOKENS (CSS Custom Properties)
   ======================================== */

:root {
  /* Primary Gradient Colors */
  --color-primary-from: #6366F1;  /* Indigo */
  --color-primary-to: #EC4899;    /* Pink */

  /* Background Colors */
  --color-bg-dark: #0F172A;       /* Very Dark Slate */
  --color-bg-darker: #1E293B;     /* Darker Slate */
  --color-bg-light: #F8FAFC;      /* Light Gray */
  --color-bg-white: #FFFFFF;

  /* Accent Colors */
  --color-accent-success: #10B981; /* Emerald - CTA, growth */
  --color-accent-warning: #F59E0B; /* Amber - highlights */
  --color-accent-info: #3B82F6;    /* Blue - secondary */

  /* Text Colors */
  --color-text-primary: #0F172A;
  --color-text-secondary: #64748B;
  --color-text-light: #E2E8F0;
  --color-text-white: #FFFFFF;

  /* Border & Divider */
  --color-border: #E2E8F0;
  --color-divider: #CBD5E1;

  /* Spacing Scale */
  --spacing-xs: 0.5rem;    /* 8px */
  --spacing-sm: 1rem;      /* 16px */
  --spacing-md: 1.5rem;    /* 24px */
  --spacing-lg: 2rem;      /* 32px */
  --spacing-xl: 3rem;      /* 48px */
  --spacing-2xl: 4rem;     /* 64px */
  --spacing-3xl: 6rem;     /* 96px */

  /* Border Radius */
  --radius-sm: 0.375rem;   /* 6px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 1rem;       /* 16px */
  --radius-xl: 1.5rem;     /* 24px */
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Animation Durations */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 350ms;
  --duration-slower: 500ms;

  /* Easing Functions */
  --easing-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --easing-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Container Max Width */
  --container-width: 1200px;
  --container-padding: 2rem;
}


/* ========================================
   RESET & BASE STYLES
   ======================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  letter-spacing: -1.5px;
}

h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  letter-spacing: -0.5px;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 600;
}

h4 {
  font-size: 1.5rem;
  font-weight: 600;
}

p {
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all var(--duration-normal) var(--easing-smooth);
}

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

/* Gradient Text Effect */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary-from), var(--color-primary-to));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.gradient-text-light {
  background: linear-gradient(135deg, #FFFFFF, var(--color-bg-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-center { text-align: center; }
.text-white { color: var(--color-text-white) !important; }
.text-light { color: var(--color-text-light) !important; }


/* ========================================
   LAYOUT & CONTAINERS
   ======================================== */

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.section-light {
  background: linear-gradient(180deg, var(--color-bg-light) 0%, var(--color-bg-white) 100%);
}

.section-dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-white);
}

.section-gradient {
  background: linear-gradient(135deg, var(--color-primary-from) 0%, var(--color-primary-to) 100%);
  color: var(--color-text-white);
}

.section-gradient-alt {
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-darker) 50%, var(--color-primary-from) 100%);
  color: var(--color-text-white);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}


/* ========================================
   BUTTONS
   ======================================== */

.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--duration-normal) var(--easing-smooth);
  text-align: center;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-success), #059669);
  color: var(--color-text-white);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-white);
  border: 2px solid var(--color-text-white);
}

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

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

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

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

.btn-outline-white:hover {
  background: var(--color-text-white);
  color: var(--color-primary-from);
}

.btn-large {
  padding: 1.25rem 3rem;
  font-size: 1.125rem;
}

.btn-full {
  width: 100%;
}

.btn-nav {
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--color-primary-from), var(--color-primary-to));
  color: var(--color-text-white);
  border-radius: var(--radius-full);
  font-weight: 600;
}

.btn-nav:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

/* Shimmer Effect on Buttons */
.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left var(--duration-slower);
  z-index: -1;
}

.btn:hover::before {
  left: 100%;
}


/* ========================================
   NAVBAR
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 1.5rem 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all var(--duration-normal) var(--easing-smooth);
}

.navbar.scrolled {
  padding: 1rem 0;
  box-shadow: var(--shadow-md);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-white);
}

.logo-img {
  height: 40px;
  width: auto;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-menu a {
  color: var(--color-text-white);
  font-weight: 500;
  font-size: 0.9375rem;
}

.nav-menu a:hover {
  color: var(--color-primary-to);
}

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

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--color-text-white);
  border-radius: var(--radius-full);
  transition: all var(--duration-normal);
}


/* ========================================
   HERO SECTION
   ======================================== */

.hero-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  padding-top: 140px;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.animated-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(-45deg, var(--color-bg-dark), var(--color-bg-darker), #1e2a47, var(--color-primary-from));
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

.dots-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle, rgba(99, 102, 241, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.3;
}

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

.hero-left {
  color: var(--color-text-white);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-white);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
  line-height: 1.5;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.stat-icon {
  font-size: 1.25rem;
}

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

.hero-right {
  position: relative;
  height: 500px;
}

.floating-cards {
  position: relative;
  width: 100%;
  height: 100%;
}

.metric-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-xl);
  animation: float 6s ease-in-out infinite;
}

.metric-card.card-1 {
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.metric-card.card-2 {
  top: 40%;
  right: 10%;
  animation-delay: 2s;
}

.metric-card.card-3 {
  bottom: 15%;
  left: 20%;
  animation-delay: 4s;
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.card-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-white);
  margin-bottom: 0.25rem;
}

.card-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-light);
  font-size: 0.875rem;
  z-index: 1;
}

.scroll-line {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-primary-from), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}


/* ========================================
   PROBLEM/SOLUTION SECTION
   ======================================== */

.problem-solution-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
}

.ps-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.ps-item.reverse {
  direction: rtl;
}

.ps-item.reverse > * {
  direction: ltr;
}

.ps-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.badge-problem {
  background: rgba(239, 68, 68, 0.1);
  color: #EF4444;
}

.badge-solution {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-accent-success);
}

.ps-title {
  font-size: 1.875rem;
  margin-bottom: var(--spacing-sm);
}

.ps-text {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.ps-visual svg {
  width: 100%;
  height: auto;
  max-width: 400px;
}

.ps-icon-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
}

.ps-icon {
  width: 160px;
  height: 160px;
  animation: floatIcon 3s ease-in-out infinite;
}

.ps-metric {
  font-size: 1.75rem;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.ps-metric.positive {
  background: linear-gradient(135deg, #10B981, #059669);
  color: white;
}

.ps-metric.negative {
  background: linear-gradient(135deg, #EF4444, #DC2626);
  color: white;
}

@keyframes floatIcon {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-10px) scale(1.05);
  }
}

.trend-line {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
}

.trend-line.negative {
  stroke: #EF4444;
  stroke-dasharray: 400;
  animation: drawLine 2s ease-out forwards;
}

.trend-line.positive {
  stroke: var(--color-accent-success);
  stroke-dasharray: 400;
  animation: drawLine 2s ease-out forwards;
}

.trend-dot {
  fill: currentColor;
  animation: pulse 2s ease-in-out infinite;
}


/* ========================================
   STATISTICS SECTION
   ======================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.stat-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--duration-normal) var(--easing-smooth);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  animation: shimmer 3s infinite;
}

.stat-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.stat-number {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-text-white);
  line-height: 1;
  display: inline-block;
}

.stat-plus,
.stat-percent {
  font-size: 2rem;
  color: var(--color-text-white);
  margin-left: 0.25rem;
}

.stat-label {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-sm);
}

.stat-icon {
  font-size: 2rem;
  margin-top: var(--spacing-sm);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  margin-top: var(--spacing-sm);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent-success), #34D399);
  border-radius: var(--radius-full);
  transition: width 2s var(--easing-smooth);
  width: 0;
}

.stat-trend {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--color-accent-success);
}

.trend-arrow {
  font-size: 1.5rem;
}

.stat-subtext {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: 0.25rem;
}


/* ========================================
   SERVICES SECTION
   ======================================== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.service-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--duration-normal) var(--easing-smooth);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary-from), var(--color-primary-to));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--easing-smooth);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-from);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary-from), var(--color-primary-to));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-white);
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.service-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.service-features {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.service-features li {
  padding: 0.5rem 0;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.service-link {
  color: var(--color-primary-from);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap var(--duration-normal) var(--easing-smooth);
}

.service-link:hover {
  gap: 1rem;
}


/* ========================================
   PORTFOLIO/CASE STUDIES SECTION
   ======================================== */

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.case-card {
  background: var(--color-bg-darker);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-normal) var(--easing-smooth);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.case-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--easing-smooth);
}

.case-card:hover .case-image img {
  transform: scale(1.1);
}

.case-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent, rgba(15, 23, 42, 0.8));
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-md);
}

.case-tag {
  background: var(--color-primary-from);
  color: var(--color-text-white);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
}

.case-content {
  padding: var(--spacing-lg);
}

.case-title {
  font-size: 1.5rem;
  color: var(--color-text-white);
  margin-bottom: var(--spacing-sm);
}

.case-challenge {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
}

.case-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.result-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.result-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent-success);
  margin-bottom: 0.25rem;
}

.result-label {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.case-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-text-light);
}


/* ========================================
   COMPARISON TABLE SECTION
   ======================================== */

.comparison-table {
  max-width: 800px;
  margin: var(--spacing-2xl) auto 0;
  overflow-x: auto;
}

.comparison-table table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.comparison-table th,
.comparison-table td {
  padding: 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table thead {
  background: linear-gradient(135deg, var(--color-primary-from), var(--color-primary-to));
  color: var(--color-text-white);
}

.comparison-table th {
  font-weight: 600;
  font-size: 1rem;
}

.comparison-table .highlight-col {
  background: rgba(99, 102, 241, 0.05);
  font-weight: 600;
}

.check-icon {
  color: var(--color-accent-success);
  font-weight: 700;
  margin-right: 0.5rem;
}

.cross-icon {
  color: #EF4444;
  font-weight: 700;
  margin-right: 0.5rem;
}

.warning-icon {
  color: var(--color-accent-warning);
  font-weight: 700;
  margin-right: 0.5rem;
}


/* ========================================
   PROCESS TIMELINE SECTION
   ======================================== */

.process-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
  position: relative;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.process-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--spacing-lg);
  position: relative;
}

.process-step::after {
  content: '';
  position: absolute;
  left: 40px;
  top: 80px;
  bottom: -40px;
  width: 2px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.3), transparent);
}

.process-step:last-child::after {
  display: none;
}

.step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-from), var(--color-primary-to));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-white);
  box-shadow: var(--shadow-lg);
}

.step-content {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.step-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.step-title {
  font-size: 1.5rem;
  color: var(--color-text-white);
  margin-bottom: var(--spacing-sm);
}

.step-description {
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
}

.step-duration {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--color-text-light);
}


/* ========================================
   TESTIMONIALS SECTION
   ======================================== */

.testimonials-slider {
  position: relative;
  margin-top: var(--spacing-2xl);
  overflow: visible;
  padding: 0 100px;
}

@media (max-width: 1200px) {
  .testimonials-slider {
    padding: 0 20px;
    overflow: hidden;
  }
}

.testimonials-track {
  display: flex;
  gap: var(--spacing-lg);
  transition: transform var(--duration-slower) var(--easing-smooth);
}

.testimonial-card {
  flex: 0 0 calc(50% - var(--spacing-lg));
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  position: relative;
}

@media (max-width: 768px) {
  .testimonial-card {
    flex: 0 0 100%;
  }
}

.testimonial-stars {
  color: var(--color-accent-warning);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.testimonial-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.testimonial-author {
  margin-bottom: var(--spacing-sm);
}

.author-name {
  font-weight: 600;
  color: var(--color-text-primary);
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.author-position {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.testimonial-metric {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, var(--color-primary-from), var(--color-primary-to));
  color: var(--color-text-white);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
}

.slider-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-bg-white);
  border: 2px solid var(--color-border);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.75rem;
  color: var(--color-text-primary);
  transition: all var(--duration-normal) var(--easing-smooth);
  box-shadow: var(--shadow-lg);
  z-index: 10;
}

.slider-nav:hover {
  background: linear-gradient(135deg, var(--color-primary-from), var(--color-primary-to));
  color: var(--color-text-white);
  box-shadow: var(--shadow-xl);
  transform: translateY(-50%) scale(1.1);
  border-color: transparent;
}

.slider-nav.prev {
  left: -80px;
}

.slider-nav.next {
  right: -80px;
}

/* Mobile slider nav positioning */
@media (max-width: 1200px) {
  .slider-nav.prev { left: 10px; }
  .slider-nav.next { right: 10px; }
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: var(--spacing-lg);
}


/* ========================================
   CTA SECTION
   ======================================== */

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
}

.contact-info-large {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
}

.contact-info-large .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.125rem;
  padding: 1.25rem 2rem;
  text-decoration: none;
}

.contact-info-large .contact-icon {
  font-size: 1.5rem;
}

@media (max-width: 768px) {
  .contact-info-large .btn {
    width: 100%;
    justify-content: center;
  }
}

.contact-info {
  display: flex;
  gap: var(--spacing-xl);
  justify-content: center;
  flex-wrap: wrap;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text-white);
  font-size: 1.125rem;
}

.contact-icon {
  font-size: 1.5rem;
}


/* ========================================
   FOOTER
   ======================================== */

.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-title {
  color: var(--color-text-white);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.footer-text {
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-light);
}

.social-icons {
  display: flex;
  gap: var(--spacing-sm);
}

.social-icons a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-white);
  transition: all var(--duration-normal) var(--easing-smooth);
}

.social-icons a:hover {
  background: linear-gradient(135deg, var(--color-primary-from), var(--color-primary-to));
  transform: translateY(-3px);
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  transition: color var(--duration-normal);
}

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

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: var(--spacing-sm);
  font-size: 0.9375rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.copyright {
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.footer-bottom-links {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.875rem;
}

.footer-bottom-links a {
  color: var(--color-text-light);
}

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

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-from), var(--color-primary-to));
  border: none;
  color: var(--color-text-white);
  font-size: 1.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--duration-normal) var(--easing-smooth);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.back-to-top:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 32px rgba(99, 102, 241, 0.5);
}

.back-to-top:active {
  transform: translateY(-2px) scale(1.02);
}

@media (max-width: 768px) {
  .back-to-top {
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
    bottom: 1.5rem;
    right: 1.5rem;
  }
}


/* ========================================
   MODAL
   ======================================== */

.modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(5px);
  align-items: center;
  justify-content: center;
  animation: fadeIn var(--duration-normal);
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: slideInUp var(--duration-slow) var(--easing-smooth);
  box-shadow: var(--shadow-2xl);
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 36px;
  height: 36px;
  border: none;
  background: var(--color-bg-light);
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-normal);
}

.modal-close:hover {
  background: var(--color-primary-from);
  color: var(--color-text-white);
  transform: rotate(90deg);
}

.modal-title {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.modal-subtitle {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.consultation-form .form-group {
  margin-bottom: var(--spacing-md);
}

.consultation-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text-primary);
}

.consultation-form input,
.consultation-form select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--duration-normal);
}

.consultation-form input:focus,
.consultation-form select:focus {
  outline: none;
  border-color: var(--color-primary-from);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.checkbox-group {
  margin-top: var(--spacing-md);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-weight: 400;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  margin-top: 0.25rem;
}

.error-message {
  display: block;
  color: #EF4444;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
}

.form-group.error .error-message {
  display: block;
}

.form-group.error input,
.form-group.error select {
  border-color: #EF4444;
}

.success-message {
  text-align: center;
  padding: var(--spacing-xl);
}

.success-icon {
  width: 64px;
  height: 64px;
  background: var(--color-accent-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--color-text-white);
  margin: 0 auto var(--spacing-md);
}

.success-message h4 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.success-message p {
  color: var(--color-text-secondary);
}

/* ========================================
   SLIDER DOTS
   ======================================== */

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: transparent;
  cursor: pointer;
  transition: all var(--duration-normal);
  padding: 0;
}

.slider-dot:hover {
  background: var(--color-primary-from);
  border-color: var(--color-primary-from);
  transform: scale(1.2);
}

.slider-dot.active {
  background: linear-gradient(135deg, var(--color-primary-from), var(--color-primary-to));
  border-color: transparent;
  width: 32px;
  border-radius: var(--radius-full);
}

/* ========================================
   FOOTER - SINGLE ROW LAYOUT
   ======================================== */

.footer-single-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  padding: var(--spacing-lg) 0;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary-from), var(--color-primary-to));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin: 0;
}

.footer-contact-inline {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.875rem;
  flex-wrap: wrap;
}

.footer-contact-inline span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.footer-contact-inline a {
  color: var(--color-text-light);
  text-decoration: none;
  transition: color var(--duration-normal);
}

.footer-contact-inline a:hover {
  color: var(--color-text-white);
}

.footer-links-inline {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.9375rem;
}

.footer-links-inline a {
  color: var(--color-text-light);
  text-decoration: none;
  transition: color var(--duration-normal);
}

.footer-links-inline a:hover {
  color: var(--color-primary-from);
}

.footer .social-icons {
  display: flex;
  gap: var(--spacing-sm);
}

.footer .social-icons a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-white);
  transition: all var(--duration-normal) var(--easing-smooth);
}

.footer .social-icons a:hover {
  background: linear-gradient(135deg, var(--color-primary-from), var(--color-primary-to));
  transform: translateY(-3px);
}

@media (max-width: 768px) {
  .footer-single-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }

  .footer-contact-inline {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .footer-links-inline {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }
}

/* ========================================
   LOGO TEXT ENHANCEMENT
   ======================================== */

.logo-text {
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary-from), var(--color-primary-to));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.5px;
  transition: all var(--duration-normal);
}

.logo:hover .logo-text {
  letter-spacing: 2px;
}