:root {
  --font-headline: "Manrope", sans-serif;
  --font-body: "Inter", sans-serif;

  --color-primary: #5adacf;
  --color-primary-container: #00a79d;
  --color-on-primary-container: #003431;
  --color-surface: #111319;
  --color-surface-container: #1e1f26;
  --color-surface-container-low: #191b22;
  --color-surface-container-highest: #33343b;
  --color-on-surface: #e2e2eb;
  --color-on-surface-variant: #bbc9c7;
  --color-outline-variant: #3c4947;
}

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

body {
  background-color: var(--color-surface);
  color: var(--color-on-surface);
  font-family: var(--font-body);
  line-height: 1.5;
  overflow-x: hidden;
}

.font-headline {
  font-family: var(--font-headline);
}

.font-body {
  font-family: var(--font-body);
}

/* Utilities */
.dot-grid {
  background-image: radial-gradient(circle, #00a79d 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.15;
}

.glass-header {
  backdrop-filter: blur(20px);
  background-color: rgba(15, 17, 23, 0.8);
}

/* Animations */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.scale-in {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.glow-on-hover:hover {
  box-shadow: 0 0 30px var(--color-accent-glow);
  border-color: var(--color-primary-container);
}

/* Custom Styles */
.btn-primary {
  background: linear-gradient(to bottom right, var(--color-primary), var(--color-primary-container));
  color: var(--color-on-primary-container);
  box-shadow: 0 20px 25px -5px rgba(0, 167, 157, 0.2);
  transition: all 0.2s;
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: scale(1.05);
}

.btn-outline {
  border: 1px solid var(--color-outline-variant);
  color: white;
  transition: all 0.2s;
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.card-solution {
  background-color: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-solution:hover {
  transform: translateY(-12px);
  border-color: var(--color-primary-container);
  background-color: var(--color-surface-container-highest);
}

.project-card img {
  transition: transform 0.5s;
}

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

/* Logo Marquee */
.logo-marquee {
  display: flex;
  overflow: hidden;
  user-select: none;
  gap: 80px;
  padding: 10px 0;
}

.fading-bg {
  z-index: 1;
  background: linear-gradient(to bottom, transparent 0%, transparent calc(70% - 40px), #111319 100%);
}

.logo-track {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 80px;
  min-width: 100%;
  animation: scroll-marquee 30s linear infinite;
}

@keyframes scroll-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}

.logo-item {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1.5rem;
  color: white;
  opacity: 0.2;
  transition: all 0.4s;
  cursor: default;
}

.logo-item:hover {
  opacity: 0.8;
  color: var(--color-primary);
  transform: scale(1.1);
}

/* Parallax Image */
.parallax-container {
  overflow: hidden;
  border-radius: 24px;
  position: relative;
}

.parallax-img {
  width: 100%;
  height: 120%;
  object-fit: cover;
  will-change: transform;
}