/**
 * Erden Yapı - Modern CSS Reset & Base Defaults
 */

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

html {
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    min-height: 100vh;
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-text);
    background-color: var(--color-surface);
    overflow-x: hidden;
}

/* Tipografi Temelleri */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    color: var(--color-text);
    font-weight: 700;
    line-height: var(--leading-tight);
    letter-spacing: -0.025em;
    margin-bottom: var(--space-4);
}

h1 { font-size: var(--text-5xl); font-weight: 800; }
h2 { font-size: var(--text-4xl); font-weight: 800; }
h3 { font-size: var(--text-3xl); font-weight: 700; }
h4 { font-size: var(--text-2xl); font-weight: 600; }
h5 { font-size: var(--text-xl); font-weight: 600; }
h6 { font-size: var(--text-lg); font-weight: 600; }

p {
    margin-bottom: var(--space-4);
    color: var(--color-text-muted);
}

p:last-child {
    margin-bottom: 0;
}

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

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

/* Medya Elemanları */
img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

/* Form Elemanları Temeli */
input, button, textarea, select {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

table {
    border-collapse: collapse;
    width: 100%;
}

/* Erişilebilirlik Odak Göstergesi (Focus Visible) */
:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* Hareketi Azaltma Tercihi (Accessibility) */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}