:root {
  /* Colors */
  --bg: #ffffff;
  --fg: #000000;
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #e5e5e5;
  --gray-300: #d4d4d4;
  --gray-400: #a3a3a3;
  --gray-500: #737373;
  --gray-600: #525252;
  --gray-700: #404040;
  --gray-800: #262626;
  --gray-900: #171717;

  /* Typography */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Roboto Mono", "Cascadia Code", "Courier New", monospace;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Transitions */
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

body {
  font-family: var(--font-sans);
  color: var(--fg);
  background-color: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
}

/* Typography */
h1, h2, h3, h4, h5 {
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--fg);
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); margin-bottom: var(--space-8); }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: var(--space-6); }
h3 { font-size: 1.75rem; margin-bottom: var(--space-4); }

p {
  color: var(--gray-600);
  margin-bottom: var(--space-4);
  font-size: 1.125rem;
}

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

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-8);
  width: 100%;
}

section {
  padding: var(--space-24) 0;
}

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

/* Header - Professional Layout */
header {
  height: 100px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  z-index: 100;
}

header .container {
  max-width: 100%;
  padding: 0 var(--space-12);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  flex: 0 0 250px;
}

.nav-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  align-items: center;
  margin: 0;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-600);
  white-space: nowrap;
  letter-spacing: -0.01em;
  padding: var(--space-2) var(--space-4);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--fg);
}

.nav-links .auth-mobile {
  display: none; /* Hide on desktop */
}

.auth-btns {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  flex: 0 0 250px;
  justify-content: flex-end;
}

/* Buttons */
.btn {
  padding: 0.8rem 1.6rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600; 
  font-family: var(--font-sans); 
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  white-space: nowrap;
}

.btn-primary {
  background: var(--fg);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--gray-800);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  border-color: var(--gray-200);
  color: var(--fg);
}

.btn-secondary:hover {
  background: var(--fg) !important;
  color: var(--bg) !important;
  border-color: var(--fg) !important;
}

.btn-outline-white {
  background: transparent;
  border-color: #fff;
  color: #fff;
}

.btn-outline-white:hover {
  background: #fff !important;
  color: #000 !important;
  border-color: #fff !important;
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;     margin-right: 20px;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--space-2);
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  z-index: 101;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--fg);
  transition: var(--transition);
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-12);
  border-top: 1px solid var(--gray-200);
  padding-top: var(--space-16);
  margin-top: var(--space-16);
}

.stat-item h4 {
  font-size: clamp(2rem, 3vw, 3rem);
  margin-bottom: var(--space-2);
}

.stat-item p {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gray-500);
  font-weight: 600;
}

/* Cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
}

.card {
  padding: var(--space-12);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  transition: var(--transition);
  background: #fff;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card img {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-6);
  object-fit: contain;
}

.card:hover {
  border-color: var(--fg);
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

/* Ad Formats Page */
.banner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-12);
}

.banner-item {
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.banner-preview-wrapper {
  background: var(--gray-100);
  border-radius: 8px;
  padding: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 250px;
}

.banner-placeholder {
  background: #fff;
  border: 1px solid var(--gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.6rem; 
  color: var(--gray-400);
  position: relative;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  text-align: center;
}

/* Footer */
footer {
  padding: var(--space-24) 0 var(--space-12);
  border-top: 1px solid var(--gray-200);
  background: var(--bg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(2, minmax(0, 1fr)) 1.5fr;
  gap: var(--space-16);
  margin-bottom: var(--space-16);
}

.footer-col h4 {
  font-size: 0.85rem;
  margin-bottom: var(--space-6);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg);
}

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

.footer-col li {
  margin-bottom: var(--space-3);
}

.footer-col a {
  color: var(--gray-500);
  font-size: 0.95rem;
}

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

.footer-bottom {
  border-top: 1px solid var(--gray-100);
  padding-top: var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--gray-500);
}

/* Auth Pages */
.auth-container {
  max-width: 450px;
  margin: var(--space-24) auto;
  padding: var(--space-12);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
}

.form-group {
  margin-bottom: var(--space-6);
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.form-group input {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus {
  outline: none;
  border-color: var(--fg);
  box-shadow: 0 0 0 4px var(--gray-100);
}

a.sign-logo img {
    text-align: center;
    align-items: center;
    display: inline-block;
}



 @media only screen and (max-width: 767px) {
.logo, .auth-btns {  flex: inherit!important; }
a.logo img { width: 55%; float: left;}
.nav-links a {  font-size: 1.25rem; padding: var(--space-0)!important; display: block; }
.nav-links .auth-mobile .btn { width: 100%;  padding: 1rem !important; font-size: 1.1rem; }
.nav-links {  gap: var(--space-0)!important; }

.hero-btns a {  margin-bottom: 25px;}
.bg-gray1 { display: inline-block !important;}
.bg-gray1 .card.animate-reveal { margin-top: 40px;}
a.btn.btn-primary {  color: #fff;}
.contactt { display: block !important; align-items: center; text-align: center !important;}


}




/* Responsive */
@media (max-width: 1200px) {
  .logo, .auth-btns { flex-basis: auto; }
  .nav-links { gap: var(--space-6); }
  header .container { padding: 0 var(--space-6); }
}

@media (max-width: 1024px) {
  header { height: 80px; }
  
  .logo, .auth-btns { flex: 0 0 auto; }
  
  .nav-links {
    display: flex;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    flex-direction: column;
    padding: var(--space-8);
    margin: 0;
    box-shadow: none;
    height: calc(100vh - 80px);
    justify-content: flex-start;
    align-items: center;
    z-index: 99;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
  }
  
  .nav-links.active {
    transform: translateX(0);
  }
  
  .nav-links li {
    width: 100%;
    text-align: center;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--gray-100);
  }
  
  .nav-links li:last-child {
    border-bottom: none;
  }

  .nav-links a {
    font-size: 1.25rem;
    padding: var(--space-4);
    display: block;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .auth-btns {
    display: none;
  }
  
  .nav-links .auth-mobile {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: var(--space-4);
    margin-top: var(--space-8);
    padding: var(--space-8) var(--space-4);
    border-top: 2px solid var(--fg);
  }
  
  .nav-links .auth-mobile .btn {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
  }
}

@media (max-width: 768px) {
  .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { 
    grid-template-columns: 1fr; 
    text-align: center;
    gap: var(--space-12);
  }
  
  .footer-col {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .footer-col p {
    margin: 0 auto var(--space-4);
  }
  
  .stats { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.5rem; }
  
  section { padding: var(--space-16) 0; }
  
  .grid-2 { grid-template-columns: 1fr !important; }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}


.privacy ul {
    margin-left: 25px; margin-bottom: 15px;
}

.privacy h2 {
    font-size: 2rem;
    margin-bottom: var(--space-4);
}


.privacy h4 {
    font-size: 1.15rem;
    margin-bottom: var(--space-4);
}