/* ==========================================================================
   MARKETING TECH GENIUS - STYLE GUIDE
   ==========================================================================
   
   BRAND COLORS
   ------------
   Primary Pink:    #e649a4 - Used for accents, CTAs, highlights
   Primary Cyan:    #1cacd3 - Used for accents, links, interactive elements
   Black:           #0a0a0a - Primary text, headers
   White:           #ffffff - Backgrounds, light text
   
   TYPOGRAPHY
   ----------
   Headings:        Anton (bold, condensed sans-serif)
   Body:            Inter (clean, modern sans-serif)
   
   SPACING SCALE
   -------------
   xs: 0.5rem | sm: 1rem | md: 1.5rem | lg: 2rem | xl: 3rem | 2xl: 4rem | 3xl: 6rem
   
   ========================================================================== */

/* ==========================================================================
   1. RESET & BASE STYLES
   ========================================================================== */

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

/* ==========================================================================
   2. CSS CUSTOM PROPERTIES (Design Tokens)
   ========================================================================== */

:root {
  /* Brand Colors */
  --color-pink: #e649a4;
  --color-cyan: #1cacd3;
  --color-black: #0a0a0a;
  --color-white: #ffffff;
  
  /* Pink Variations */
  --color-pink-dark: #c93d8c;
  --color-pink-light: rgba(230, 73, 164, 0.1);
  --color-pink-glow: rgba(230, 73, 164, 0.3);
  
  /* Cyan Variations */
  --color-cyan-dark: #1590b3;
  --color-cyan-light: rgba(28, 172, 211, 0.1);
  --color-cyan-glow: rgba(28, 172, 211, 0.3);
  
  /* Neutral Colors */
  --color-gray-50: #fafafa;
  --color-gray-100: #f5f5f5;
  --color-gray-200: #e5e5e5;
  --color-gray-300: #d4d4d4;
  --color-gray-400: #a3a3a3;
  --color-gray-500: #737373;
  --color-gray-600: #525252;
  --color-gray-700: #404040;
  --color-gray-800: #262626;
  --color-gray-900: #171717;
  
  /* Typography */
  --font-display: "Anton", Impact, "Arial Black", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SF Mono", Monaco, "Cascadia Code", "Consolas", monospace;
  
  /* Font Sizes */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 2rem;        /* 32px */
  --text-4xl: 2.5rem;      /* 40px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 4rem;        /* 64px */
  
  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* Letter Spacing */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 8px 16px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 16px 32px -4px rgba(0, 0, 0, 0.15);
  --shadow-pink: 0 8px 24px var(--color-pink-glow);
  --shadow-cyan: 0 8px 24px var(--color-cyan-glow);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 500;
  --z-modal: 1000;
  --z-tooltip: 1500;
}

/* ==========================================================================
   3. BASE TYPOGRAPHY
   ========================================================================== */

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: var(--leading-relaxed);
  color: var(--color-gray-700);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Headings - Using Anton for display/brand presence */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400; /* Anton only has one weight */
  line-height: var(--leading-tight);
  color: var(--color-black);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

h1 {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
  line-height: var(--leading-none);
  letter-spacing: var(--tracking-tight);
}

h2 {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  line-height: var(--leading-tight);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

h5 {
  font-size: var(--text-lg);
}

h6 {
  font-size: var(--text-base);
}

/* Body Text Styles */
p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-gray-600);
}

.lead {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-gray-600);
}

.small {
  font-size: var(--text-sm);
}

/* Links */
a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-pink);
}

/* Labels & Overlines */
.label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-gray-500);
}

.overline {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-pink);
}

/* ==========================================================================
   4. LAYOUT & CONTAINERS
   ========================================================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-sm {
  max-width: 800px;
}

.container-lg {
  max-width: 1400px;
}

/* ==========================================================================
   5. BUTTONS
   ========================================================================== */

/* Base Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 2px;
}

/* Primary Button - Gradient */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: linear-gradient(135deg, var(--color-pink), var(--color-cyan));
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition-base);
}

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

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary Button - Outline */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background-color: transparent;
  color: var(--color-black);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-secondary:hover {
  border-color: var(--color-pink);
  color: var(--color-pink);
  transform: translateY(-2px);
}

/* Ghost Button */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background-color: transparent;
  color: var(--color-black);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-ghost:hover {
  background-color: var(--color-gray-100);
  color: var(--color-pink);
}

/* Outline Button */
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background-color: transparent;
  border: 1px solid var(--color-gray-300);
  color: var(--color-black);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-outline:hover {
  border-color: var(--color-black);
}

/* Button Sizes */
.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: var(--text-sm);
}

.btn-lg {
  padding: 1.125rem 2.25rem;
  font-size: var(--text-lg);
}

/* ==========================================================================
   6. HEADER & NAVIGATION
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-200);
  z-index: var(--z-sticky);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  min-height: 88px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo:hover {
  color: inherit;
}

.logo-img {
  height: 54px;
  width: auto;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--color-black);
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
}

/* Navigation Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  transition: color var(--transition-base);
}

.nav-links a:not(.btn-primary):hover {
  color: var(--color-pink);
}

.nav-links a.btn-primary {
  color: var(--color-white);
}

.nav-links a.btn-primary:hover {
  color: var(--color-white);
}

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

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background-color: var(--color-black);
  transition: all var(--transition-slow);
  transform-origin: center;
}

/* ==========================================================================
   7. HERO SECTION
   ========================================================================== */

.hero {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-100) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--color-cyan-light) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--color-pink-light) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 900px;
  text-align: center;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-title {
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-xl);
  line-height: var(--leading-relaxed);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================================================
   8. SECTIONS
   ========================================================================== */

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
}

.section-header h2 {
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
}

/* ==========================================================================
   9. SERVICES SECTION
   ========================================================================== */

.services {
  padding: var(--spacing-3xl) 0;
}

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

.service-card {
  padding: var(--spacing-xl);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  transition: all var(--transition-slow);
}

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

.service-number {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-pink);
  margin-bottom: var(--spacing-md);
}

.service-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-sm);
  text-transform: none;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: normal;
}

.service-card p {
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
  margin-bottom: 0;
}

/* ==========================================================================
   10. APPROACH SECTION
   ========================================================================== */

.approach {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-gray-100);
}

.approach-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.approach-lead {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  margin: var(--spacing-md) 0 var(--spacing-xl);
  line-height: var(--leading-relaxed);
}

.approach-steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.step h4 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-black);
  text-transform: none;
  letter-spacing: normal;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.step h4::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  background: linear-gradient(135deg, var(--color-pink), var(--color-cyan));
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.step p {
  color: var(--color-gray-600);
  padding-left: 1.625rem;
  margin-bottom: 0;
}

.approach-visual {
  display: flex;
  justify-content: center;
}

.visual-card {
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  min-width: 320px;
  box-shadow: var(--shadow);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 400;
  background: linear-gradient(135deg, var(--color-pink), var(--color-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: var(--leading-none);
}

.stat-label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

/* ==========================================================================
   11. CASE STUDY / EXPERIENCE SECTION
   ========================================================================== */

.case-study {
  padding: var(--spacing-3xl) 0;
}

.case-study-content {
  max-width: 800px;
}

.case-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-pink);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--spacing-md);
}

.case-title {
  margin-bottom: var(--spacing-md);
}

.case-description {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-xl);
}

.case-metrics {
  display: flex;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.metric {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.metric-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  background: linear-gradient(135deg, var(--color-pink), var(--color-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: var(--leading-tight);
}

.metric-label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-500);
}

/* ==========================================================================
   12. CONTACT SECTION (CTA)
   ========================================================================== */

.contact {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #0a0a0a 100%);
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, var(--color-pink-light) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, var(--color-cyan-light) 0%, transparent 50%);
  opacity: 1.5;
  pointer-events: none;
}

.contact-content {
  position: relative;
  z-index: 1;
}

.contact-content h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.contact-content p {
  font-size: var(--text-lg);
  color: var(--color-gray-300);
  margin-bottom: var(--spacing-xl);
}

.contact .btn-primary {
  background: linear-gradient(135deg, var(--color-pink), var(--color-cyan));
  color: var(--color-white);
}

.contact .btn-primary:hover {
  box-shadow: 0 8px 32px rgba(230, 73, 164, 0.5);
}

/* Contact Toggle Button */
.contact-toggle-btn {
  position: relative;
  overflow: hidden;
}

.contact-toggle-btn .btn-icon {
  transition: transform var(--transition-base);
}

.contact-toggle-btn:hover .btn-icon {
  transform: translateX(4px);
}

.contact-toggle-btn.active .btn-icon {
  transform: rotate(90deg);
}

/* Contact Form Wrapper */
.contact-form-wrapper {
  max-width: 600px;
  margin: 0 auto;
  margin-top: var(--spacing-xl);
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-form-wrapper.active {
  opacity: 1;
  max-height: 800px;
}

/* Contact Form */
.contact-form {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: left;
}

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

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

.form-group label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-300);
  margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  transition: all var(--transition-base);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-gray-500);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-cyan);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 3px rgba(28, 172, 211, 0.2);
}

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

.form-submit-btn {
  width: 100%;
  justify-content: center;
  margin-top: var(--spacing-sm);
}

.form-submit-btn svg {
  transition: transform var(--transition-base);
}

.form-submit-btn:hover svg {
  transform: translate(4px, -4px);
}

/* Phone Contact Line */
.contact-phone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-gray-300);
}

.contact-phone svg {
  color: var(--color-cyan);
  flex-shrink: 0;
}

.phone-link {
  color: var(--color-white);
  font-weight: 600;
  transition: color var(--transition-base);
}

.phone-link:hover {
  color: var(--color-cyan);
}

/* Form Responsive */
@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .contact-form {
    padding: var(--spacing-md);
  }
  
  .contact-phone {
    flex-direction: column;
    text-align: center;
  }
}

/* ==========================================================================
   13. FOOTER
   ========================================================================== */

.footer {
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
  background-color: var(--color-gray-100);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--spacing-sm);
}

.footer-logo {
  height: 36px;
  width: auto;
}

.footer-logo-text {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  color: var(--color-black);
  text-transform: uppercase;
  line-height: 1;
}

.footer-brand p {
  color: var(--color-gray-600);
  font-size: var(--text-sm);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.footer-column h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-md);
}

.footer-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-column a,
.footer-column li {
  font-family: var(--font-body);
  color: var(--color-gray-700);
  font-size: var(--text-sm);
  transition: color var(--transition-base);
}

.footer-column a:hover {
  color: var(--color-cyan);
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-gray-200);
  text-align: center;
}

.footer-bottom p {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: 0;
}

/* ==========================================================================
   14. TESTIMONIALS SECTION
   ========================================================================== */

.testimonials {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-gray-100);
}

.testimonials-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-pink);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--spacing-sm);
}

/* Testimonial Screenshot Grid */
.testimonials-screenshot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.testimonial-screenshot {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-slow);
  box-shadow: var(--shadow-sm);
}

.testimonial-screenshot:hover {
  border-color: var(--color-cyan);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.testimonial-screenshot img {
  width: 100%;
  height: auto;
  display: block;
}

.testimonials-cta {
  text-align: center;
  margin-top: var(--spacing-xl);
}

.testimonials-cta p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: 0;
}

/* ==========================================================================
   15. PARTNERSHIP SECTION
   ========================================================================== */

.partnership {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-50) 100%);
}

.partnership-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.partnership-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-pink);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--spacing-md);
}

.partnership-info h2 {
  margin-bottom: var(--spacing-md);
}

.partnership-description {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-xl);
}

.partnership-benefits {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-gray-700);
}

.benefit-item svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-cyan);
  flex-shrink: 0;
}

.partnership-cta-btn {
  margin-top: var(--spacing-xl);
}

.partnership-visual {
  display: flex;
  justify-content: center;
}

.redtrack-card-link {
  text-decoration: none;
  display: block;
}

.redtrack-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  border: 2px solid var(--color-pink);
  box-shadow: 0 20px 40px rgba(230, 73, 164, 0.1);
  text-align: center;
  min-width: 320px;
  transition: all var(--transition-slow);
}

.redtrack-card-link:hover .redtrack-card {
  border-color: var(--color-cyan);
  transform: translateY(-4px);
  box-shadow: 0 24px 48px rgba(28, 172, 211, 0.15);
}

.redtrack-logo {
  margin-bottom: var(--spacing-lg);
}

.redtrack-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(230, 73, 164, 0.1);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-md);
}

.badge-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-cyan);
  fill: var(--color-cyan);
}

.redtrack-badge span:last-child {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-pink);
}

.redtrack-click-hint {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  margin-top: var(--spacing-md);
  transition: color var(--transition-fast);
}

.redtrack-card-link:hover .redtrack-click-hint {
  color: var(--color-cyan);
}

.redtrack-tagline {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: 0;
}

/* Testimonials & Partnership Responsive */
@media (max-width: 1024px) {
  .testimonials-screenshot-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .partnership-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
}

@media (max-width: 768px) {
  .testimonials-screenshot-grid {
    grid-template-columns: 1fr;
  }
  
  .redtrack-card {
    min-width: auto;
    width: 100%;
    max-width: 400px;
  }
  
  .partnership-cta-btn {
    width: 100%;
    justify-content: center;
  }
}

/* ==========================================================================
   16. PORTFOLIO PAGE STYLES
   ========================================================================== */

/* Portfolio Hero */
.portfolio-hero {
  padding: var(--spacing-3xl) 0 var(--spacing-2xl);
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-100) 100%);
  text-align: center;
}

.portfolio-hero-content {
  max-width: 700px;
  margin: 0 auto;
}

.portfolio-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-pink);
  margin-bottom: var(--spacing-md);
}

.portfolio-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  margin-bottom: var(--spacing-md);
}

.portfolio-subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
}

/* Portfolio Filter */
.portfolio-filter {
  padding: var(--spacing-lg) 0;
  background: var(--color-white);
  position: sticky;
  top: 80px;
  z-index: 90;
  border-bottom: 1px solid var(--color-gray-200);
}

.filter-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.625rem 1.25rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-600);
  background: transparent;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
}

.filter-btn:hover {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--color-pink), var(--color-cyan));
  color: var(--color-white);
  border-color: transparent;
}

/* Portfolio Section */
.portfolio-section {
  padding: var(--spacing-2xl) 0 var(--spacing-3xl);
}

.portfolio-region {
  margin-bottom: var(--spacing-3xl);
}

.portfolio-region:last-child {
  margin-bottom: 0;
}

.region-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-gray-200);
  position: relative;
}

.region-title::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 80px;
  height: 2px;
  background: linear-gradient(135deg, var(--color-pink), var(--color-cyan));
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

/* Project Card */
.project-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-200);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-cyan);
}

.project-image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

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

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

.project-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.project-category {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-white);
  font-weight: 500;
}

/* Project Image Placeholder */
.project-image-placeholder {
  background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-gray-400);
}

.placeholder-icon svg {
  stroke: var(--color-gray-400);
}

.placeholder-text {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
}

/* Project Content */
.project-content {
  padding: var(--spacing-lg);
}

.project-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-xs);
}

.project-industry {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-pink);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.project-description {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-md);
}

/* Service Tags */
.project-services {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.service-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-gray-700);
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.project-card:hover .service-tag {
  background: rgba(28, 172, 211, 0.1);
  color: var(--color-cyan);
}

.project-market {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-gray-200);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* Portfolio CTA */
.portfolio-cta {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #0a0a0a 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.portfolio-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      ellipse at 20% 50%,
      rgba(230, 73, 164, 0.15) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 80% 50%,
      rgba(28, 172, 211, 0.15) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.cta-content p {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-gray-300);
  margin-bottom: var(--spacing-xl);
}

/* Active nav link */
.nav-links a.active {
  color: var(--color-pink);
}

/* Portfolio Responsive */
@media (max-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .portfolio-hero {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
  }
  
  .portfolio-title {
    font-size: var(--text-3xl);
  }
  
  .portfolio-filter {
    top: 70px;
  }
  
  .filter-buttons {
    gap: 0.5rem;
  }
  
  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: var(--text-xs);
  }
  
  .project-content {
    padding: var(--spacing-md);
  }
  
  .project-title {
    font-size: var(--text-lg);
  }
}

/* ==========================================================================
   15. UTILITY CLASSES
   ========================================================================== */

/* Text Colors */
.text-pink { color: var(--color-pink); }
.text-cyan { color: var(--color-cyan); }
.text-black { color: var(--color-black); }
.text-white { color: var(--color-white); }
.text-muted { color: var(--color-gray-500); }

/* Background Colors */
.bg-pink { background-color: var(--color-pink); }
.bg-cyan { background-color: var(--color-cyan); }
.bg-black { background-color: var(--color-black); }
.bg-white { background-color: var(--color-white); }
.bg-gray { background-color: var(--color-gray-100); }

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--color-pink), var(--color-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Gradient Background */
.gradient-bg {
  background: linear-gradient(135deg, var(--color-pink), var(--color-cyan));
}

/* Text Alignment */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* ==========================================================================
   15. RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 1024px) {
  .logo-text {
    font-size: var(--text-base);
  }
  
  .approach-content {
    gap: var(--spacing-2xl);
  }
}

@media (max-width: 768px) {
  /* Hide logo text on mobile */
  .logo-text,
  .footer-logo-text {
    display: none;
  }
  
  /* Mobile Navigation */
  .nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-slow);
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .mobile-menu-btn {
    display: flex;
  }

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

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

  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }

  /* Layout Adjustments */
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

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

  .case-metrics {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .footer-links {
    grid-template-columns: 1fr 1fr;
  }
  
  /* Typography Adjustments */
  h1 {
    font-size: clamp(var(--text-3xl), 8vw, var(--text-4xl));
  }
  
  h2 {
    font-size: clamp(var(--text-2xl), 6vw, var(--text-3xl));
  }
}

@media (max-width: 640px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .visual-card {
    min-width: 100%;
  }
}

/* ==========================================================================
   16. ANIMATIONS & INTERACTIONS
   ========================================================================== */

/* Smooth hover transitions for all interactive elements */
button,
a,
.service-card,
.visual-card {
  transition: all var(--transition-base);
}

/* Focus states for accessibility */
:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 2px;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}