/* GravityTeknoloji - CSS Değişkenleri */
:root {
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    --navbar-height: 80px;
    --container-max: 1200px;
    --section-padding: clamp(4rem, 8vw, 7rem);
}

/* Aydınlık Mod */
[data-theme="light"],
:root:not([data-theme="dark"]) {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.75);
    --bg-card-hover: rgba(255, 255, 255, 0.92);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #06b6d4;
    --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #06b6d4);
    --border-color: rgba(15, 23, 42, 0.08);
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 8px 32px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.12);
    --navbar-bg: rgba(248, 250, 252, 0.65);
    --navbar-text-shadow: 0 1px 12px rgba(255, 255, 255, 0.9);
    --hero-overlay: rgba(248, 250, 252, 0.15);
}

/* Karanlık Mod */
[data-theme="dark"] {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(18, 18, 26, 0.75);
    --bg-card-hover: rgba(30, 30, 45, 0.85);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-primary: #818cf8;
    --accent-secondary: #a78bfa;
    --accent-tertiary: #22d3ee;
    --accent-gradient: linear-gradient(135deg, #818cf8, #a78bfa, #22d3ee);
    --border-color: rgba(241, 245, 249, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --navbar-bg: rgba(10, 10, 15, 0.6);
    --navbar-text-shadow: 0 1px 12px rgba(0, 0, 0, 0.8);
    --hero-overlay: rgba(10, 10, 15, 0.2);
}

@media (prefers-color-scheme: dark) {
    [data-theme="auto"] {
        --bg-primary: #0a0a0f;
        --bg-secondary: #12121a;
        --bg-card: rgba(18, 18, 26, 0.75);
        --bg-card-hover: rgba(30, 30, 45, 0.85);
        --text-primary: #f1f5f9;
        --text-secondary: #94a3b8;
        --text-muted: #64748b;
        --accent-primary: #818cf8;
        --accent-secondary: #a78bfa;
        --accent-tertiary: #22d3ee;
        --accent-gradient: linear-gradient(135deg, #818cf8, #a78bfa, #22d3ee);
        --border-color: rgba(241, 245, 249, 0.08);
        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
        --navbar-bg: rgba(10, 10, 15, 0.6);
        --navbar-text-shadow: 0 1px 12px rgba(0, 0, 0, 0.8);
        --hero-overlay: rgba(10, 10, 15, 0.2);
    }
}

@media (prefers-color-scheme: light) {
    [data-theme="auto"] {
        --bg-primary: #f8fafc;
        --bg-secondary: #ffffff;
        --bg-card: rgba(255, 255, 255, 0.75);
        --bg-card-hover: rgba(255, 255, 255, 0.92);
        --text-primary: #0f172a;
        --text-secondary: #475569;
        --text-muted: #94a3b8;
        --accent-primary: #6366f1;
        --accent-secondary: #8b5cf6;
        --accent-tertiary: #06b6d4;
        --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #06b6d4);
        --border-color: rgba(15, 23, 42, 0.08);
        --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
        --shadow-md: 0 8px 32px rgba(15, 23, 42, 0.1);
        --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.12);
        --navbar-bg: rgba(248, 250, 252, 0.65);
        --navbar-text-shadow: 0 1px 12px rgba(255, 255, 255, 0.9);
        --hero-overlay: rgba(248, 250, 252, 0.15);
    }
}