@font-face {
    font-family: 'Plus Jakarta Sans';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/PlusJakartaSans-Regular.woff2') format('woff2');
}
@font-face {
    font-family: 'Plus Jakarta Sans';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('../fonts/PlusJakartaSans-Medium.woff2') format('woff2');
}
@font-face {
    font-family: 'Plus Jakarta Sans';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('../fonts/PlusJakartaSans-SemiBold.woff2') format('woff2');
}
@font-face {
    font-family: 'Plus Jakarta Sans';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('../fonts/PlusJakartaSans-Bold.woff2') format('woff2');
}

:root {
  /* Renk Paleti */
  --ink-800: #125687;
  --ink-900: #0E1116;
  --ink-700: #1C2129;
  --ink-500: #b1b1b1;
  --gold-500: #C4A24E;
  --gold-600: #B08C37;
  --neutral-050: #F9FAFB;
  --neutral-100: #F3F4F6;
  --neutral-200: #E5E7EB;
  --white: #FFFFFF;

  /* Tipografi */
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-4xl: 2.25rem;

  /* Düzen & Efektler */
  --container-width: 1280px;
  --header-height: 80px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --trans-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  color: var(--ink-900);
  background-color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, picture, video, svg { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; transition: var(--trans-base); }
ul { list-style: none; }

/* Tipografi Hiyerarşisi */
h1, h2, h3, h4 { letter-spacing: -0.02em; line-height: 1.2; font-weight: 600; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 1rem; }
h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); margin-bottom: 1rem; color: var(--ink-900); }
h3 { font-size: 1.25rem; font-weight: 500; }
p { margin-bottom: 1rem; color: var(--ink-500); }

/* Utility */
.container { width: 90%; max-width: var(--container-width); margin: 0 auto; padding: 0 1rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }
.hidden { display: none !important; }

/* Focus State (A11y) */
:focus-visible { outline: 2px solid var(--gold-500); outline-offset: 2px; }