/* KT Tech Labs — Tasarım Sistemi */

:root {
  color-scheme: dark;
  --background: #080d1b;
  --surface: #111a30;
  --surface-light: #19243d;
  --primary: #38bdf8;
  --secondary: #8b7cff;
  --text: #f5f7ff;
  --muted: #a9b5cd;
  --border: rgba(255, 255, 255, 0.12);
  --gradient: linear-gradient(120deg, #38bdf8, #8b7cff);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
}

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

.container {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 25px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(110deg, #2563eb, #8054ff);
  color: #ffffff;
  font-weight: 700;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(100, 90, 255, 0.3);
}

.card {
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.4);
}

:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 4px;
}

@media (max-width: 768px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .card {
    padding: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}