/* Modern Renk Paleti */
:root {
    --bg-start-light: #ffffff;
    --bg-end-light: #f8fafc;
    --primary-light: #22d3ee;
    --text-primary-light: #0f172a;
    --text-secondary-light: #475569;
    --glass-bg-light: rgba(255, 255, 255, 0.7);
    --glass-border-light: rgba(34, 211, 238, 0.2);
    --blob-color-1-light: #22d3ee;
    --blob-color-2-light: #7dd3fc;
    --skill-tag-bg-light: rgba(0, 0, 0, 0.05);

    --bg-start-dark: #0b1120;
    --bg-end-dark: #1e293b;
    --primary-dark: #22d3ee;
    --text-primary-dark: #f1f5f9;
    --text-secondary-dark: #94a3b8;
    --glass-bg-dark: rgba(30, 41, 59, 0.45);
    --glass-border-dark: rgba(71, 85, 105, 0.5);
    --blob-color-1-dark: #3b82f6;
    --blob-color-2-dark: #14b8a6;
    --skill-tag-bg-dark: rgba(255, 255, 255, 0.1);
}

[data-theme='light'] {
    --bg-start: var(--bg-start-light);
    --bg-end: var(--bg-end-light);
    --primary: var(--primary-light);
    --text-primary: var(--text-primary-light);
    --text-secondary: var(--text-secondary-light);
    --glass-bg: var(--glass-bg-light);
    --glass-border: var(--glass-border-light);
    --blob-color-1: var(--blob-color-1-light);
    --blob-color-2: var(--blob-color-2-light);
    --skill-tag-bg: var(--skill-tag-bg-light);
}

[data-theme='dark'] {
    --bg-start: var(--bg-start-dark);
    --bg-end: var(--bg-end-dark);
    --primary: var(--primary-dark);
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --glass-bg: var(--glass-bg-dark);
    --glass-border: var(--glass-border-dark);
    --blob-color-1: var(--blob-color-1-dark);
    --blob-color-2: var(--blob-color-2-dark);
    --skill-tag-bg: var(--skill-tag-bg-dark);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-start);
    color: var(--text-primary);
    transition: background-color 0.5s, color 0.5s;
    overflow-x: hidden;
}

/* Arka Plan Renk Geçiş Blobları */
.blob {
    position: fixed;
    z-index: -1;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    transition: background 0.5s;
}

#background-blob-1 {
    width: 400px;
    height: 400px;
    top: -150px;
    left: -150px;
    background: var(--blob-color-1);
}

#background-blob-2 {
    width: 500px;
    height: 500px;
    bottom: -200px;
    right: -200px;
    background: var(--blob-color-2);
}

.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    transition: background 0.5s, border 0.5s;
}

.theme-toggle-icon {
    transition: transform 0.3s ease-in-out, opacity 0.3s;
}

.skill-tag {
    background-color: var(--skill-tag-bg);
}